Esempio n. 1
0
class LayerListDialog(QDialog):
    def __init__(self, parent):
        QDialog.__init__(self, parent)

        # add a button box
        self.layout = QVBoxLayout()

        self.layer_list = LayerListWidget(self)
        self.button_box = QDialogButtonBox(self)
        self.button_box.setOrientation(Qt.Horizontal)
        self.button_box.setStandardButtons(
            QDialogButtonBox.Cancel | QDialogButtonBox.Ok
        )
        self.button_box.accepted.connect(self.accept)
        self.button_box.rejected.connect(self.reject)

        self.layout.addWidget(self.layer_list)
        self.layout.addWidget(self.button_box)

        self.setLayout(self.layout)

    def set_labeling_model(self, model):
        self.layer_list.set_model(model)

    def exec_(self):
        self.layer_list.update_from_layers()
        return QDialog.exec_(self)

    def accept(self):
        # update layers
        self.layer_list.update_labeling_from_list()
        QDialog.accept(self)
Esempio n. 2
0
class Ui_GHydraulicsResultDialog(object):
    def setupUi(self, GHydraulicsResultDialog):
        GHydraulicsResultDialog.setObjectName(_fromUtf8("GHydraulicsResultDialog"))
        GHydraulicsResultDialog.resize(640, 480)
        self.buttonBox = QDialogButtonBox(GHydraulicsResultDialog)
        self.buttonBox.setGeometry(QtCore.QRect(10, 440, 620, 32))
        self.buttonBox.setOrientation(QtCore.Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel|QDialogButtonBox.Ok)
        self.buttonBox.setObjectName(_fromUtf8("buttonBox"))
        self.tabWidget = QTabWidget(GHydraulicsResultDialog)
        self.tabWidget.setGeometry(QtCore.QRect(10, 10, 620, 390))
        self.tabWidget.setObjectName(_fromUtf8("tabWidget"))
        self.tabOutput = QWidget()
        self.tabOutput.setObjectName(_fromUtf8("tabOutput"))
        self.textOutput = QTextBrowser(self.tabOutput)
        self.textOutput.setGeometry(QtCore.QRect(10, 10, 600, 340))
        sizePolicy = QSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(self.textOutput.sizePolicy().hasHeightForWidth())
        self.textOutput.setSizePolicy(sizePolicy)
        self.textOutput.setObjectName(_fromUtf8("textOutput"))
        self.tabWidget.addTab(self.tabOutput, _fromUtf8(""))
        self.tabReport = QWidget()
        self.tabReport.setObjectName(_fromUtf8("tabReport"))
        self.textReport = QTextBrowser(self.tabReport)
        self.textReport.setGeometry(QtCore.QRect(10, 10, 600, 340))
        sizePolicy = QSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(self.textReport.sizePolicy().hasHeightForWidth())
        self.textReport.setSizePolicy(sizePolicy)
        self.textReport.setObjectName(_fromUtf8("textReport"))
        self.tabWidget.addTab(self.tabReport, _fromUtf8(""))
        self.comboStep = QComboBox(GHydraulicsResultDialog)
        self.comboStep.setGeometry(QtCore.QRect(150, 410, 80, 27))
        self.comboStep.setObjectName(_fromUtf8("comboStep"))
        self.labelStep = QLabel(GHydraulicsResultDialog)
        self.labelStep.setGeometry(QtCore.QRect(10, 415, 120, 17))
        self.labelStep.setObjectName(_fromUtf8("labelStep"))

        self.retranslateUi(GHydraulicsResultDialog)
        self.tabWidget.setCurrentIndex(0)
        
        #QtCore.QObject.connect(self.buttonBox, QtCore.SIGNAL(_fromUtf8("accepted()")), GHydraulicsResultDialog.accept)
        self.buttonBox.accepted.connect(GHydraulicsResultDialog.accept)
        #QtCore.QObject.connect(self.buttonBox, QtCore.SIGNAL(_fromUtf8("rejected()")), GHydraulicsResultDialog.reject)
        self.buttonBox.rejected.connect(GHydraulicsResultDialog.reject)
        QtCore.QMetaObject.connectSlotsByName(GHydraulicsResultDialog)

    def retranslateUi(self, GHydraulicsResultDialog):
        GHydraulicsResultDialog.setWindowTitle(_translate("GHydraulicsResultDialog", "EPANET Results", None))
        self.tabWidget.setTabText(self.tabWidget.indexOf(self.tabOutput), _translate("GHydraulicsResultDialog", "EPANET Output", None))
        self.tabWidget.setTabText(self.tabWidget.indexOf(self.tabReport), _translate("GHydraulicsResultDialog", "Report", None))
        self.labelStep.setText(_translate("GHydraulicsResultDialog", "Load time step", None))
class ErrorReportDialog(QDialog):
    def __init__(self, title, message, errors, username, parent=None):
        QDialog.__init__(self, parent)
        self.setWindowTitle(title)

        self.verticalLayout = QVBoxLayout(self)

        self.label = QLabel(message, self)
        self.verticalLayout.addWidget(self.label)

        self.plainTextEdit = QPlainTextEdit(self)
        self.plainTextEdit.setPlainText(errors)
        self.plainTextEdit.setReadOnly(True)
        self.verticalLayout.addWidget(self.plainTextEdit)

        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Close)
        self.verticalLayout.addWidget(self.buttonBox)
        self.reportButton = self.buttonBox.addButton(self.tr("Report error"), QDialogButtonBox.ActionRole)

        self.reportButton.clicked.connect(self.__reportError)
        self.buttonBox.accepted.connect(self.accept)
        self.buttonBox.rejected.connect(self.reject)

        self.username = username
        self.metadata = MetaData()

    def __reportError(self):
        body = ("Please provide any additional information here:\n\n\n"
                "If you encountered an upload error, if possible please attach a zip file containing a minimal extract of the dataset, as well as the QGIS project file.\n\n\n"
                "Technical information:\n%s\n\n"
                "Versions:\n"
                " QGIS: %s\n"
                " Python: %s\n"
                " OS: %s\n"
                " QGIS Cloud Plugin: %s\n\n"
                "Username: %s\n") % (
                    self.plainTextEdit.toPlainText(),
                    Qgis.QGIS_VERSION,
                    sys.version.replace("\n", " "),
                    platform.platform(),
                    self.metadata.version(),
                    self.username)
        url = QUrl()
        url.toEncoded("mailto:[email protected]?subject=%s&body=%s" % (
                urllib.parse.quote(self.windowTitle()),
                urllib.parse.quote(body)),
        )
        QDesktopServices.openUrl(url)
class NTSelectByFormDialog(QDialog):

    def __init__(self, layer, iface):
        super().__init__(None)
        self.setWindowModality(Qt.WindowModal)

        layout = QVBoxLayout()
        layout.setMargin(0)
        layout.setContentsMargins(0, 0, 0, 0)
        self.setLayout(layout)

        dlgContext = QgsAttributeEditorContext()
        dlgContext.setFormMode(QgsAttributeEditorContext.StandaloneDialog)
        dlgContext.setAllowCustomUi(False)

        self.form = QgsAttributeForm(layer, context=dlgContext, parent=self)
        self.form.setMode(3)
        self.configureForm()
        layout.addWidget(self.form)

        self.form.zoomToFeatures.connect(self.zoomToFeatures)

        self.form.closed.connect(self.close)

        self.setWindowTitle(self.tr('Filter NavTable Features by Form'))

        self.expression = ''

    def configureForm(self):
        '''
        Hack to modify QgsAttributeForm
        '''

        self.form.findChild(QWidget, 'searchButtonBox').hide()

        self.buttonBox = QDialogButtonBox()
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel | QDialogButtonBox.Ok)
        self.buttonBox.setObjectName("buttonBox")

        self.buttonBox.accepted.connect(self.form.searchZoomTo)
        self.buttonBox.rejected.connect(self.reject)

        self.form.layout().addWidget(self.buttonBox)

    def zoomToFeatures(self, filter):

        self.expression = filter
        super().accept()
class ModelerParametersDialog(QDialog):

    ENTER_NAME = '[Enter name if this is a final result]'
    NOT_SELECTED = '[Not selected]'
    USE_MIN_COVERING_EXTENT = '[Use min covering extent]'

    def __init__(self, alg, model, algName=None):
        QDialog.__init__(self)
        self.setModal(True)
        # The algorithm to define in this dialog. It is an instance of GeoAlgorithm
        self._alg = alg
        # The resulting algorithm after the user clicks on OK. it is an instance of the container Algorithm class
        self.alg = None
        # The model this algorithm is going to be added to
        self.model = model
        # The name of the algorithm in the model, in case we are editing it and not defining it for the first time
        self._algName = algName
        self.setupUi()
        self.params = None

    def setupUi(self):
        self.labels = {}
        self.widgets = {}
        self.checkBoxes = {}
        self.showAdvanced = False
        self.wrappers = {}
        self.valueItems = {}
        self.dependentItems = {}
        self.resize(650, 450)
        self.buttonBox = QDialogButtonBox()
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Ok)
        tooltips = self._alg.getParameterDescriptions()
        self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
        self.verticalLayout = QVBoxLayout()
        self.verticalLayout.setSpacing(5)
        self.verticalLayout.setMargin(20)

        self.bar = QgsMessageBar()
        self.bar.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
        self.verticalLayout.addWidget(self.bar)

        hLayout = QHBoxLayout()
        hLayout.setSpacing(5)
        hLayout.setMargin(0)
        descriptionLabel = QLabel(self.tr("Description"))
        self.descriptionBox = QLineEdit()
        self.descriptionBox.setText(self._alg.displayName())
        hLayout.addWidget(descriptionLabel)
        hLayout.addWidget(self.descriptionBox)
        self.verticalLayout.addLayout(hLayout)
        line = QFrame()
        line.setFrameShape(QFrame.HLine)
        line.setFrameShadow(QFrame.Sunken)
        self.verticalLayout.addWidget(line)

        for param in self._alg.parameters:
            if param.isAdvanced:
                self.advancedButton = QPushButton()
                self.advancedButton.setText(
                    self.tr('Show advanced parameters'))
                self.advancedButton.clicked.connect(
                    self.showAdvancedParametersClicked)
                advancedButtonHLayout = QHBoxLayout()
                advancedButtonHLayout.addWidget(self.advancedButton)
                advancedButtonHLayout.addStretch()
                self.verticalLayout.addLayout(advancedButtonHLayout)
                break
        for param in self._alg.parameters:
            if param.hidden:
                continue
            desc = param.description
            if isinstance(param, ParameterExtent):
                desc += self.tr('(xmin, xmax, ymin, ymax)')
            if isinstance(param, ParameterPoint):
                desc += self.tr('(x, y)')
            if param.optional:
                desc += self.tr(' [optional]')
            label = QLabel(desc)
            self.labels[param.name] = label

            wrapper = param.wrapper(self)
            self.wrappers[param.name] = wrapper

            widget = wrapper.widget
            if widget is not None:
                self.valueItems[param.name] = widget
                if param.name in list(tooltips.keys()):
                    tooltip = tooltips[param.name]
                else:
                    tooltip = param.description
                label.setToolTip(tooltip)
                widget.setToolTip(tooltip)
                if param.isAdvanced:
                    label.setVisible(self.showAdvanced)
                    widget.setVisible(self.showAdvanced)
                    self.widgets[param.name] = widget

                self.verticalLayout.addWidget(label)
                self.verticalLayout.addWidget(widget)

        for output in self._alg.outputs:
            if output.hidden:
                continue
            if isinstance(output, (OutputRaster, OutputVector, OutputTable,
                                   OutputHTML, OutputFile, OutputDirectory)):
                label = QLabel(output.description + '<' +
                               output.__class__.__name__ + '>')
                item = QLineEdit()
                if hasattr(item, 'setPlaceholderText'):
                    item.setPlaceholderText(ModelerParametersDialog.ENTER_NAME)
                self.verticalLayout.addWidget(label)
                self.verticalLayout.addWidget(item)
                self.valueItems[output.name] = item

        label = QLabel(' ')
        self.verticalLayout.addWidget(label)
        label = QLabel(self.tr('Parent algorithms'))
        self.dependenciesPanel = self.getDependenciesPanel()
        self.verticalLayout.addWidget(label)
        self.verticalLayout.addWidget(self.dependenciesPanel)
        self.verticalLayout.addStretch(1000)

        self.setPreviousValues()
        self.setWindowTitle(self._alg.displayName())
        self.verticalLayout2 = QVBoxLayout()
        self.verticalLayout2.setSpacing(2)
        self.verticalLayout2.setMargin(0)
        self.tabWidget = QTabWidget()
        self.tabWidget.setMinimumWidth(300)
        self.paramPanel = QWidget()
        self.paramPanel.setLayout(self.verticalLayout)
        self.scrollArea = QgsScrollArea()
        self.scrollArea.setWidget(self.paramPanel)
        self.scrollArea.setWidgetResizable(True)
        self.tabWidget.addTab(self.scrollArea, self.tr('Parameters'))

        self.txtHelp = QTextBrowser()

        html = None
        isText, algHelp = self._alg.help()
        if algHelp is not None:
            algHelp = algHelp if isText else QUrl(algHelp)
            try:
                if isText:
                    self.txtHelp.setHtml(algHelp)
                else:
                    html = self.tr(
                        '<p>Downloading algorithm help... Please wait.</p>')
                    self.txtHelp.setHtml(html)
                    self.tabWidget.addTab(self.txtHelp, 'Help')
                    self.reply = QgsNetworkAccessManager.instance().get(
                        QNetworkRequest(algHelp))
                    self.reply.finished.connect(self.requestFinished)
            except:
                pass

        self.verticalLayout2.addWidget(self.tabWidget)
        self.verticalLayout2.addWidget(self.buttonBox)
        self.setLayout(self.verticalLayout2)
        self.buttonBox.accepted.connect(self.okPressed)
        self.buttonBox.rejected.connect(self.cancelPressed)
        QMetaObject.connectSlotsByName(self)

        for wrapper in list(self.wrappers.values()):
            wrapper.postInitialize(list(self.wrappers.values()))

    def requestFinished(self):
        """Change the webview HTML content"""
        reply = self.sender()
        if reply.error() != QNetworkReply.NoError:
            html = self.tr(
                '<h2>No help available for this algorithm</h2><p>{}</p>'.
                format(reply.errorString()))
        else:
            html = str(reply.readAll())
        reply.deleteLater()
        self.txtHelp.setHtml(html)

    def getAvailableDependencies(self):  # spellok
        if self._algName is None:
            dependent = []
        else:
            dependent = self.model.getDependentAlgorithms(self._algName)
        opts = []
        for alg in list(self.model.algs.values()):
            if alg.modeler_name not in dependent:
                opts.append(alg)
        return opts

    def getDependenciesPanel(self):
        return MultipleInputPanel([
            alg.description for alg in self.getAvailableDependencies()
        ])  # spellok

    def showAdvancedParametersClicked(self):
        self.showAdvanced = not self.showAdvanced
        if self.showAdvanced:
            self.advancedButton.setText(self.tr('Hide advanced parameters'))
        else:
            self.advancedButton.setText(self.tr('Show advanced parameters'))
        for param in self._alg.parameters:
            if param.isAdvanced:
                self.labels[param.name].setVisible(self.showAdvanced)
                self.widgets[param.name].setVisible(self.showAdvanced)

    def getAvailableValuesOfType(self, paramType, outType=None, dataType=None):
        # upgrade paramType to list
        if type(paramType) is not list:
            paramType = [paramType]

        values = []
        inputs = self.model.inputs
        for i in list(inputs.values()):
            param = i.param
            for t in paramType:
                if isinstance(param, t):
                    if dataType is not None:
                        if param.datatype in dataType:
                            values.append(ValueFromInput(param.name))
                    else:
                        values.append(ValueFromInput(param.name))
                    break
        if outType is None:
            return values
        if self._algName is None:
            dependent = []
        else:
            dependent = self.model.getDependentAlgorithms(self._algName)
        for alg in list(self.model.algs.values()):
            if alg.modeler_name not in dependent:
                for out in alg.algorithm.outputs:
                    if isinstance(out, outType):
                        if dataType is not None and out.datatype in dataType:
                            values.append(
                                ValueFromOutput(alg.modeler_name, out.name))
                        else:
                            values.append(
                                ValueFromOutput(alg.modeler_name, out.name))

        return values

    def resolveValueDescription(self, value):
        if isinstance(value, ValueFromInput):
            return self.model.inputs[value.name].param.description
        else:
            alg = self.model.algs[value.alg]
            return self.tr("'{0}' from algorithm '{1}'").format(
                alg.algorithm.getOutputFromName(value.output).description,
                alg.description)

    def setPreviousValues(self):
        if self._algName is not None:
            alg = self.model.algs[self._algName]
            self.descriptionBox.setText(alg.description)
            for param in alg.algorithm.parameters:
                if param.hidden:
                    continue
                if param.name in alg.params:
                    value = alg.params[param.name]
                else:
                    value = param.default
                self.wrappers[param.name].setValue(value)
            for name, out in list(alg.outputs.items()):
                self.valueItems[name].setText(out.description)

            selected = []
            dependencies = self.getAvailableDependencies()  # spellok
            for idx, dependency in enumerate(dependencies):
                if dependency.name in alg.dependencies:
                    selected.append(idx)

            self.dependenciesPanel.setSelectedItems(selected)

    def createAlgorithm(self):
        alg = Algorithm(self._alg.id())
        alg.setName(self.model)
        alg.description = self.descriptionBox.text()
        params = self._alg.parameters
        outputs = self._alg.outputs
        for param in params:
            if param.hidden:
                continue
            if not self.setParamValue(alg, param, self.wrappers[param.name]):
                self.bar.pushMessage(
                    "Error",
                    "Wrong or missing value for parameter '%s'" %
                    param.description,
                    level=QgsMessageBar.WARNING)
                return None
        for output in outputs:
            if not output.hidden:
                name = str(self.valueItems[output.name].text())
                if name.strip(
                ) != '' and name != ModelerParametersDialog.ENTER_NAME:
                    alg.outputs[output.name] = ModelerOutput(name)

        selectedOptions = self.dependenciesPanel.selectedoptions
        availableDependencies = self.getAvailableDependencies()  # spellok
        for selected in selectedOptions:
            alg.dependencies.append(
                availableDependencies[selected].name)  # spellok

        self._alg.processBeforeAddingToModeler(alg, self.model)
        return alg

    def setParamValue(self, alg, param, wrapper):
        try:
            if wrapper.widget:
                value = wrapper.value()
                alg.params[param.name] = value
            return True
        except InvalidParameterValue:
            return False

    def okPressed(self):
        self.alg = self.createAlgorithm()
        if self.alg is not None:
            self.close()

    def cancelPressed(self):
        self.alg = None
        self.close()
class ModelerParameterDefinitionDialog(QDialog):
    @staticmethod
    def use_legacy_dialog(param=None, paramType=None):
        if paramType in (parameters.PARAMETER_TABLE_FIELD,
                         parameters.PARAMETER_BAND,
                         parameters.PARAMETER_VECTOR,
                         parameters.PARAMETER_TABLE,
                         parameters.PARAMETER_MULTIPLE,
                         parameters.PARAMETER_NUMBER,
                         parameters.PARAMETER_DISTANCE,
                         parameters.PARAMETER_SCALE,
                         parameters.PARAMETER_MAP_LAYER):
            return True
        elif isinstance(
                param,
            (QgsProcessingParameterField, QgsProcessingParameterBand,
             QgsProcessingParameterFeatureSource,
             QgsProcessingParameterVectorLayer,
             QgsProcessingParameterMultipleLayers,
             QgsProcessingParameterNumber, QgsProcessingParameterDistance,
             QgsProcessingParameterScale, QgsProcessingParameterMapLayer,
             QgsProcessingDestinationParameter)):
            return True

        # yay, use new API!
        return False

    def __init__(self, alg, paramType=None, param=None):
        self.alg = alg
        self.paramType = paramType
        self.param = param
        QDialog.__init__(self)
        self.setModal(True)
        self.setupUi()
        settings = QgsSettings()
        self.restoreGeometry(
            settings.value(
                "/Processing/modelParametersDefinitionDialogGeometry",
                QByteArray()))

    def closeEvent(self, event):
        settings = QgsSettings()
        settings.setValue(
            "/Processing/modelParametersDefinitionDialogGeometry",
            self.saveGeometry())
        super(ModelerParameterDefinitionDialog, self).closeEvent(event)

    def switchToCommentTab(self):
        self.tab.setCurrentIndex(1)
        self.commentEdit.setFocus()
        self.commentEdit.selectAll()

    def setupUi(self):
        type_metadata = QgsApplication.processingRegistry().parameterType(
            self.param.type() if self.param else self.paramType)
        self.setWindowTitle(
            self.tr('{} Parameter Definition').format(type_metadata.name()))

        self.mainLayout = QVBoxLayout()
        self.tab = QTabWidget()
        self.mainLayout.addWidget(self.tab)

        self.setMinimumWidth(300)

        self.verticalLayout = QVBoxLayout()

        self.label = QLabel(self.tr('Parameter name'))
        self.verticalLayout.addWidget(self.label)
        self.nameTextBox = QLineEdit()
        self.verticalLayout.addWidget(self.nameTextBox)

        if isinstance(self.param, QgsProcessingParameterDefinition):
            self.nameTextBox.setText(self.param.description())

        if self.paramType == parameters.PARAMETER_TABLE_FIELD or \
                isinstance(self.param, QgsProcessingParameterField):
            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            idx = 0
            for param in list(self.alg.parameterComponents().values()):
                definition = self.alg.parameterDefinition(
                    param.parameterName())
                if isinstance(definition, (QgsProcessingParameterFeatureSource,
                                           QgsProcessingParameterVectorLayer)):
                    self.parentCombo.addItem(definition.description(),
                                             definition.name())
                    if self.param is not None:
                        if self.param.parentLayerParameterName(
                        ) == definition.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)

            # add the datatype selector
            self.verticalLayout.addWidget(QLabel(self.tr('Allowed data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Any'), -1)
            self.datatypeCombo.addItem(self.tr('Number'), 0)
            self.datatypeCombo.addItem(self.tr('String'), 1)
            self.datatypeCombo.addItem(self.tr('Date/time'), 2)
            self.verticalLayout.addWidget(self.datatypeCombo)

            if self.param is not None and self.param.dataType() is not None:
                # QComboBoxes indexes start at 0,
                # self.param.datatype start with -1 that is why I need to do +1
                datatypeIndex = self.param.dataType() + 1
                self.datatypeCombo.setCurrentIndex(datatypeIndex)

            self.multipleCheck = QCheckBox()
            self.multipleCheck.setText(self.tr('Accept multiple fields'))
            self.multipleCheck.setChecked(False)
            if self.param is not None:
                self.multipleCheck.setChecked(self.param.allowMultiple())
            self.verticalLayout.addWidget(self.multipleCheck)

            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setToolTip(
                self.
                tr('Default field name, or ; separated list of field names for multiple field parameters'
                   ))
            if self.param is not None:
                default = self.param.defaultValue()
                if default is not None:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)

        elif self.paramType == parameters.PARAMETER_BAND or \
                isinstance(self.param, QgsProcessingParameterBand):
            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            idx = 0
            for param in list(self.alg.parameterComponents().values()):
                definition = self.alg.parameterDefinition(
                    param.parameterName())
                if isinstance(definition, (QgsProcessingParameterRasterLayer)):
                    self.parentCombo.addItem(definition.description(),
                                             definition.name())
                    if self.param is not None:
                        if self.param.parentLayerParameterName(
                        ) == definition.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)
        elif (self.paramType
              in (parameters.PARAMETER_VECTOR, parameters.PARAMETER_TABLE)
              or isinstance(self.param, (QgsProcessingParameterFeatureSource,
                                         QgsProcessingParameterVectorLayer))):
            self.verticalLayout.addWidget(QLabel(self.tr('Geometry type')))
            self.shapetypeCombo = QComboBox()
            self.shapetypeCombo.addItem(self.tr('Geometry Not Required'),
                                        QgsProcessing.TypeVector)
            self.shapetypeCombo.addItem(self.tr('Point'),
                                        QgsProcessing.TypeVectorPoint)
            self.shapetypeCombo.addItem(self.tr('Line'),
                                        QgsProcessing.TypeVectorLine)
            self.shapetypeCombo.addItem(self.tr('Polygon'),
                                        QgsProcessing.TypeVectorPolygon)
            self.shapetypeCombo.addItem(self.tr('Any Geometry Type'),
                                        QgsProcessing.TypeVectorAnyGeometry)
            if self.param is not None:
                self.shapetypeCombo.setCurrentIndex(
                    self.shapetypeCombo.findData(self.param.dataTypes()[0]))
            self.verticalLayout.addWidget(self.shapetypeCombo)
        elif (self.paramType == parameters.PARAMETER_MULTIPLE
              or isinstance(self.param, QgsProcessingParameterMultipleLayers)):
            self.verticalLayout.addWidget(QLabel(self.tr('Data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Any Map Layer'),
                                       QgsProcessing.TypeMapLayer)
            self.datatypeCombo.addItem(
                self.tr('Vector (No Geometry Required)'),
                QgsProcessing.TypeVector)
            self.datatypeCombo.addItem(self.tr('Vector (Point)'),
                                       QgsProcessing.TypeVectorPoint)
            self.datatypeCombo.addItem(self.tr('Vector (Line)'),
                                       QgsProcessing.TypeVectorLine)
            self.datatypeCombo.addItem(self.tr('Vector (Polygon)'),
                                       QgsProcessing.TypeVectorPolygon)
            self.datatypeCombo.addItem(self.tr('Vector (Any Geometry Type)'),
                                       QgsProcessing.TypeVectorAnyGeometry)
            self.datatypeCombo.addItem(self.tr('Raster'),
                                       QgsProcessing.TypeRaster)
            self.datatypeCombo.addItem(self.tr('File'), QgsProcessing.TypeFile)
            if self.param is not None:
                self.datatypeCombo.setCurrentIndex(
                    self.datatypeCombo.findData(self.param.layerType()))
            self.verticalLayout.addWidget(self.datatypeCombo)
        elif (self.paramType == parameters.PARAMETER_MAP_LAYER
              or isinstance(self.param, QgsProcessingParameterMapLayer)):
            self.verticalLayout.addWidget(QLabel(self.tr('Data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Any Map Layer'),
                                       QgsProcessing.TypeMapLayer)
            self.datatypeCombo.addItem(self.tr('Vector (Point)'),
                                       QgsProcessing.TypeVectorPoint)
            self.datatypeCombo.addItem(self.tr('Vector (Line)'),
                                       QgsProcessing.TypeVectorLine)
            self.datatypeCombo.addItem(self.tr('Vector (Polygon)'),
                                       QgsProcessing.TypeVectorPolygon)
            self.datatypeCombo.addItem(self.tr('Vector (Any Geometry Type)'),
                                       QgsProcessing.TypeVectorAnyGeometry)
            self.datatypeCombo.addItem(self.tr('Raster'),
                                       QgsProcessing.TypeRaster)
            self.datatypeCombo.addItem(self.tr('Mesh'), QgsProcessing.TypeMesh)
            if self.param is not None:
                self.datatypeCombo.setCurrentIndex(
                    self.datatypeCombo.findData(self.param.dataTypes()[0]))
            self.verticalLayout.addWidget(self.datatypeCombo)
        elif (self.paramType
              in (parameters.PARAMETER_NUMBER, parameters.PARAMETER_DISTANCE,
                  parameters.PARAMETER_SCALE)
              or isinstance(self.param, (QgsProcessingParameterNumber,
                                         QgsProcessingParameterDistance,
                                         QgsProcessingParameterScale))):

            if (self.paramType == parameters.PARAMETER_DISTANCE
                    or isinstance(self.param, QgsProcessingParameterDistance)):
                self.verticalLayout.addWidget(QLabel(self.tr('Linked input')))
                self.parentCombo = QComboBox()
                self.parentCombo.addItem('', '')
                idx = 1
                for param in list(self.alg.parameterComponents().values()):
                    definition = self.alg.parameterDefinition(
                        param.parameterName())
                    if isinstance(definition,
                                  (QgsProcessingParameterFeatureSource,
                                   QgsProcessingParameterVectorLayer,
                                   QgsProcessingParameterMapLayer,
                                   QgsProcessingParameterCrs)):
                        self.parentCombo.addItem(definition.description(),
                                                 definition.name())
                        if self.param is not None:
                            if self.param.parentParameterName(
                            ) == definition.name():
                                self.parentCombo.setCurrentIndex(idx)
                        idx += 1
                self.verticalLayout.addWidget(self.parentCombo)
            elif (self.paramType != parameters.PARAMETER_SCALE
                  and not isinstance(self.param, QgsProcessingParameterScale)):
                self.verticalLayout.addWidget(QLabel(self.tr('Number type')))
                self.type_combo = QComboBox()
                self.type_combo.addItem(self.tr('Float'),
                                        QgsProcessingParameterNumber.Double)
                self.type_combo.addItem(self.tr('Integer'),
                                        QgsProcessingParameterNumber.Integer)
                if self.param:
                    self.type_combo.setCurrentIndex(
                        self.type_combo.findData(self.param.dataType()))
                self.verticalLayout.addWidget(self.type_combo)

            if (self.paramType != parameters.PARAMETER_SCALE and
                    not isinstance(self.param, QgsProcessingParameterScale)):
                self.verticalLayout.addWidget(QLabel(self.tr('Min value')))
                self.minTextBox = QLineEdit()
                self.verticalLayout.addWidget(self.minTextBox)
                self.verticalLayout.addWidget(QLabel(self.tr('Max value')))
                self.maxTextBox = QLineEdit()
                self.verticalLayout.addWidget(self.maxTextBox)
                if self.param is not None:
                    self.minTextBox.setText(str(self.param.minimum()))
                    self.maxTextBox.setText(str(self.param.maximum()))
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setText(self.tr('0'))
            if self.param is not None:
                default = self.param.defaultValue()
                if self.param.dataType(
                ) == QgsProcessingParameterNumber.Integer:
                    default = int(math.floor(float(default)))
                if default:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)

        elif isinstance(self.param, QgsProcessingDestinationParameter):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultWidget = QgsProcessingLayerOutputDestinationWidget(
                self.param, defaultSelection=True)
            self.verticalLayout.addWidget(self.defaultWidget)

        self.verticalLayout.addSpacing(20)
        self.requiredCheck = QCheckBox()
        self.requiredCheck.setText(self.tr('Mandatory'))
        self.requiredCheck.setChecked(True)
        if self.param is not None:
            self.requiredCheck.setChecked(
                not self.param.flags()
                & QgsProcessingParameterDefinition.FlagOptional)
        self.verticalLayout.addWidget(self.requiredCheck)

        self.advancedCheck = QCheckBox()
        self.advancedCheck.setText(self.tr('Advanced'))
        self.advancedCheck.setChecked(False)
        if self.param is not None:
            self.advancedCheck.setChecked(
                self.param.flags()
                & QgsProcessingParameterDefinition.FlagAdvanced)
        self.verticalLayout.addWidget(self.advancedCheck)

        # If child algorithm output is mandatory, disable checkbox
        if isinstance(self.param, QgsProcessingDestinationParameter):
            provider_name, child_name, output_name = self.param.name().split(
                ':')
            child = self.alg.childAlgorithms()['{}:{}'.format(
                provider_name, child_name)]
            model_output = child.modelOutput(output_name)
            param_def = child.algorithm().parameterDefinition(
                model_output.childOutputName())
            if not (param_def.flags()
                    & QgsProcessingParameterDefinition.FlagOptional):
                self.requiredCheck.setEnabled(False)
                self.requiredCheck.setChecked(True)

            self.advancedCheck.setEnabled(False)
            self.advancedCheck.setChecked(False)

        self.verticalLayout.addStretch()

        w = QWidget()
        w.setLayout(self.verticalLayout)
        self.tab.addTab(w, self.tr('Properties'))

        self.commentLayout = QVBoxLayout()
        self.commentEdit = QTextEdit()
        self.commentEdit.setAcceptRichText(False)
        self.commentLayout.addWidget(self.commentEdit, 1)

        hl = QHBoxLayout()
        hl.setContentsMargins(0, 0, 0, 0)
        hl.addWidget(QLabel(self.tr('Color')))
        self.comment_color_button = QgsColorButton()
        self.comment_color_button.setAllowOpacity(True)
        self.comment_color_button.setWindowTitle(self.tr('Comment Color'))
        self.comment_color_button.setShowNull(True, self.tr('Default'))
        hl.addWidget(self.comment_color_button)
        self.commentLayout.addLayout(hl)

        w2 = QWidget()
        w2.setLayout(self.commentLayout)
        self.tab.addTab(w2, self.tr('Comments'))

        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Ok)
        self.buttonBox.setObjectName('buttonBox')
        self.buttonBox.accepted.connect(self.accept)
        self.buttonBox.rejected.connect(self.reject)

        self.mainLayout.addWidget(self.buttonBox)

        self.setLayout(self.mainLayout)

    def setComments(self, text):
        self.commentEdit.setPlainText(text)

    def comments(self):
        return self.commentEdit.toPlainText()

    def setCommentColor(self, color):
        if color.isValid():
            self.comment_color_button.setColor(color)
        else:
            self.comment_color_button.setToNull()

    def commentColor(self):
        return self.comment_color_button.color(
        ) if not self.comment_color_button.isNull() else QColor()

    def accept(self):
        description = self.nameTextBox.text()
        if description.strip() == '':
            QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                self.tr('Invalid parameter name'))
            return
        if self.param is None:
            validChars = \
                'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
            safeName = ''.join(c for c in description if c in validChars)
            name = safeName.lower()
            i = 2
            while self.alg.parameterDefinition(name):
                name = safeName.lower() + str(i)
                i += 1
        else:
            name = self.param.name()
        if (self.paramType == parameters.PARAMETER_TABLE_FIELD
                or isinstance(self.param, QgsProcessingParameterField)):
            if self.parentCombo.currentIndex() < 0:
                QMessageBox.warning(
                    self, self.tr('Unable to define parameter'),
                    self.tr('Wrong or missing parameter values'))
                return
            parent = self.parentCombo.currentData()
            datatype = self.datatypeCombo.currentData()
            default = self.defaultTextBox.text()
            if not default:
                default = None
            self.param = QgsProcessingParameterField(
                name,
                description,
                defaultValue=default,
                parentLayerParameterName=parent,
                type=datatype,
                allowMultiple=self.multipleCheck.isChecked())
        elif (self.paramType == parameters.PARAMETER_BAND
              or isinstance(self.param, QgsProcessingParameterBand)):
            if self.parentCombo.currentIndex() < 0:
                QMessageBox.warning(
                    self, self.tr('Unable to define parameter'),
                    self.tr('Wrong or missing parameter values'))
                return
            parent = self.parentCombo.currentData()
            self.param = QgsProcessingParameterBand(name, description, None,
                                                    parent)
        elif (self.paramType == parameters.PARAMETER_MAP_LAYER
              or isinstance(self.param, QgsProcessingParameterMapLayer)):
            self.param = QgsProcessingParameterMapLayer(
                name, description, types=[self.datatypeCombo.currentData()])
        elif (self.paramType == parameters.PARAMETER_RASTER
              or isinstance(self.param, QgsProcessingParameterRasterLayer)):
            self.param = QgsProcessingParameterRasterLayer(name, description)
        elif (self.paramType == parameters.PARAMETER_TABLE
              or isinstance(self.param, QgsProcessingParameterVectorLayer)):
            self.param = QgsProcessingParameterVectorLayer(
                name, description, [self.shapetypeCombo.currentData()])
        elif (self.paramType == parameters.PARAMETER_VECTOR
              or isinstance(self.param, QgsProcessingParameterFeatureSource)):
            self.param = QgsProcessingParameterFeatureSource(
                name, description, [self.shapetypeCombo.currentData()])
        elif (self.paramType == parameters.PARAMETER_MULTIPLE
              or isinstance(self.param, QgsProcessingParameterMultipleLayers)):
            self.param = QgsProcessingParameterMultipleLayers(
                name, description, self.datatypeCombo.currentData())
        elif (self.paramType == parameters.PARAMETER_DISTANCE
              or isinstance(self.param, QgsProcessingParameterDistance)):
            self.param = QgsProcessingParameterDistance(
                name, description, self.defaultTextBox.text())
            try:
                vmin = self.minTextBox.text().strip()
                if not vmin == '':
                    self.param.setMinimum(float(vmin))
                vmax = self.maxTextBox.text().strip()
                if not vmax == '':
                    self.param.setMaximum(float(vmax))
            except:
                QMessageBox.warning(
                    self, self.tr('Unable to define parameter'),
                    self.tr('Wrong or missing parameter values'))
                return

            if self.parentCombo.currentIndex() < 0:
                QMessageBox.warning(
                    self, self.tr('Unable to define parameter'),
                    self.tr('Wrong or missing parameter values'))
                return
            parent = self.parentCombo.currentData()
            if parent:
                self.param.setParentParameterName(parent)
        elif (self.paramType == parameters.PARAMETER_SCALE
              or isinstance(self.param, QgsProcessingParameterScale)):
            self.param = QgsProcessingParameterScale(
                name, description, self.defaultTextBox.text())
        elif (self.paramType == parameters.PARAMETER_NUMBER
              or isinstance(self.param, QgsProcessingParameterNumber)):

            type = self.type_combo.currentData()
            self.param = QgsProcessingParameterNumber(
                name, description, type, self.defaultTextBox.text())
            try:
                vmin = self.minTextBox.text().strip()
                if not vmin == '':
                    self.param.setMinimum(float(vmin))
                vmax = self.maxTextBox.text().strip()
                if not vmax == '':
                    self.param.setMaximum(float(vmax))
            except:
                QMessageBox.warning(
                    self, self.tr('Unable to define parameter'),
                    self.tr('Wrong or missing parameter values'))
                return

        # Destination parameter
        elif (isinstance(self.param, QgsProcessingParameterFeatureSink)):
            self.param = QgsProcessingParameterFeatureSink(
                name=name,
                description=self.param.description(),
                type=self.param.dataType(),
                defaultValue=self.defaultWidget.value())
        elif (isinstance(self.param, QgsProcessingParameterFileDestination)):
            self.param = QgsProcessingParameterFileDestination(
                name=name,
                description=self.param.description(),
                fileFilter=self.param.fileFilter(),
                defaultValue=self.defaultWidget.value())
        elif (isinstance(self.param, QgsProcessingParameterFolderDestination)):
            self.param = QgsProcessingParameterFolderDestination(
                name=name,
                description=self.param.description(),
                defaultValue=self.defaultWidget.value())
        elif (isinstance(self.param, QgsProcessingParameterRasterDestination)):
            self.param = QgsProcessingParameterRasterDestination(
                name=name,
                description=self.param.description(),
                defaultValue=self.defaultWidget.value())
        elif (isinstance(self.param, QgsProcessingParameterVectorDestination)):
            self.param = QgsProcessingParameterVectorDestination(
                name=name,
                description=self.param.description(),
                type=self.param.dataType(),
                defaultValue=self.defaultWidget.value())

        else:
            if self.paramType:
                typeId = self.paramType
            else:
                typeId = self.param.type()

            paramTypeDef = QgsApplication.instance().processingRegistry(
            ).parameterType(typeId)
            if not paramTypeDef:
                msg = self.tr(
                    'The parameter `{}` is not registered, are you missing a required plugin?'
                    .format(typeId))
                raise UndefinedParameterException(msg)
            self.param = paramTypeDef.create(name)
            self.param.setDescription(description)
            self.param.setMetadata(paramTypeDef.metadata())

        if not self.requiredCheck.isChecked():
            self.param.setFlags(
                self.param.flags()
                | QgsProcessingParameterDefinition.FlagOptional)
        else:
            self.param.setFlags(
                self.param.flags()
                & ~QgsProcessingParameterDefinition.FlagOptional)

        if self.advancedCheck.isChecked():
            self.param.setFlags(
                self.param.flags()
                | QgsProcessingParameterDefinition.FlagAdvanced)
        else:
            self.param.setFlags(
                self.param.flags()
                & ~QgsProcessingParameterDefinition.FlagAdvanced)

        settings = QgsSettings()
        settings.setValue(
            "/Processing/modelParametersDefinitionDialogGeometry",
            self.saveGeometry())

        QDialog.accept(self)

    def reject(self):
        self.param = None

        settings = QgsSettings()
        settings.setValue(
            "/Processing/modelParametersDefinitionDialogGeometry",
            self.saveGeometry())

        QDialog.reject(self)
Esempio n. 7
0
class ModelerParametersDialog(QDialog):

    ENTER_NAME = '[Enter name if this is a final result]'
    NOT_SELECTED = '[Not selected]'
    USE_MIN_COVERING_EXTENT = '[Use min covering extent]'

    def __init__(self, alg, model, algName=None):
        QDialog.__init__(self)
        self.setModal(True)
        # The algorithm to define in this dialog. It is an instance of GeoAlgorithm
        self._alg = alg
        # The resulting algorithm after the user clicks on OK. it is an instance of the container Algorithm class
        self.alg = None
        # The model this algorithm is going to be added to
        self.model = model
        # The name of the algorithm in the model, in case we are editing it and not defining it for the first time
        self._algName = algName
        self.setupUi()
        self.params = None

    def setupUi(self):
        self.labels = {}
        self.widgets = {}
        self.checkBoxes = {}
        self.showAdvanced = False
        self.valueItems = {}
        self.dependentItems = {}
        self.resize(650, 450)
        self.buttonBox = QDialogButtonBox()
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Ok)
        tooltips = self._alg.getParameterDescriptions()
        self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
        self.verticalLayout = QVBoxLayout()
        self.verticalLayout.setSpacing(5)
        self.verticalLayout.setMargin(20)

        self.bar = QgsMessageBar()
        self.bar.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
        self.verticalLayout.addWidget(self.bar)

        hLayout = QHBoxLayout()
        hLayout.setSpacing(5)
        hLayout.setMargin(0)
        descriptionLabel = QLabel(self.tr("Description"))
        self.descriptionBox = QLineEdit()
        self.descriptionBox.setText(self._alg.name)
        hLayout.addWidget(descriptionLabel)
        hLayout.addWidget(self.descriptionBox)
        self.verticalLayout.addLayout(hLayout)
        line = QFrame()
        line.setFrameShape(QFrame.HLine)
        line.setFrameShadow(QFrame.Sunken)
        self.verticalLayout.addWidget(line)

        for param in self._alg.parameters:
            if param.isAdvanced:
                self.advancedButton = QPushButton()
                self.advancedButton.setText(
                    self.tr('Show advanced parameters'))
                self.advancedButton.clicked.connect(
                    self.showAdvancedParametersClicked)
                advancedButtonHLayout = QHBoxLayout()
                advancedButtonHLayout.addWidget(self.advancedButton)
                advancedButtonHLayout.addStretch()
                self.verticalLayout.addLayout(advancedButtonHLayout)
                break
        for param in self._alg.parameters:
            if param.hidden:
                continue
            desc = param.description
            if isinstance(param, ParameterExtent):
                desc += self.tr('(xmin, xmax, ymin, ymax)')
            if isinstance(param, ParameterPoint):
                desc += self.tr('(x, y)')
            label = QLabel(desc)
            self.labels[param.name] = label
            widget = self.getWidgetFromParameter(param)
            self.valueItems[param.name] = widget
            if param.name in tooltips.keys():
                tooltip = tooltips[param.name]
            else:
                tooltip = param.description
            label.setToolTip(tooltip)
            widget.setToolTip(tooltip)
            if param.isAdvanced:
                label.setVisible(self.showAdvanced)
                widget.setVisible(self.showAdvanced)
                self.widgets[param.name] = widget
            self.verticalLayout.addWidget(label)
            self.verticalLayout.addWidget(widget)

        for output in self._alg.outputs:
            if output.hidden:
                continue
            if isinstance(output, (OutputRaster, OutputVector, OutputTable,
                                   OutputHTML, OutputFile, OutputDirectory)):
                label = QLabel(output.description + '<' +
                               output.__class__.__name__ + '>')
                item = QLineEdit()
                if hasattr(item, 'setPlaceholderText'):
                    item.setPlaceholderText(ModelerParametersDialog.ENTER_NAME)
                self.verticalLayout.addWidget(label)
                self.verticalLayout.addWidget(item)
                self.valueItems[output.name] = item

        label = QLabel(' ')
        self.verticalLayout.addWidget(label)
        label = QLabel(self.tr('Parent algorithms'))
        self.dependenciesPanel = self.getDependenciesPanel()
        self.verticalLayout.addWidget(label)
        self.verticalLayout.addWidget(self.dependenciesPanel)

        self.verticalLayout.addStretch(1000)
        self.setLayout(self.verticalLayout)

        self.setPreviousValues()
        self.setWindowTitle(self._alg.name)
        self.verticalLayout2 = QVBoxLayout()
        self.verticalLayout2.setSpacing(2)
        self.verticalLayout2.setMargin(0)
        self.tabWidget = QTabWidget()
        self.tabWidget.setMinimumWidth(300)
        self.paramPanel = QWidget()
        self.paramPanel.setLayout(self.verticalLayout)
        self.scrollArea = QScrollArea()
        self.scrollArea.setWidget(self.paramPanel)
        self.scrollArea.setWidgetResizable(True)
        self.tabWidget.addTab(self.scrollArea, self.tr('Parameters'))

        self.txtHelp = QTextBrowser()

        html = None
        isText, algHelp = self._alg.help()
        if algHelp is not None:
            algHelp = algHelp if isText else QUrl(algHelp)
            try:
                if isText:
                    self.txtHelp.setHtml(algHelp)
                else:
                    html = self.tr(
                        '<p>Downloading algorithm help... Please wait.</p>')
                    self.txtHelp.setHtml(html)
                    self.reply = QgsNetworkAccessManager.instance().get(
                        QNetworkRequest(algHelp))
                    self.reply.finished.connect(self.requestFinished)
            except:
                self.txtHelp.setHtml(
                    self.tr('<h2>No help available for this algorithm</h2>'))

        self.tabWidget.addTab(self.txtHelp, 'Help')

        self.verticalLayout2.addWidget(self.tabWidget)
        self.verticalLayout2.addWidget(self.buttonBox)
        self.setLayout(self.verticalLayout2)
        self.buttonBox.accepted.connect(self.okPressed)
        self.buttonBox.rejected.connect(self.cancelPressed)
        QMetaObject.connectSlotsByName(self)

    def requestFinished(self):
        """Change the webview HTML content"""
        reply = self.sender()
        if reply.error() != QNetworkReply.NoError:
            html = self.tr(
                '<h2>No help available for this algorithm</h2><p>{}</p>'.
                format(reply.errorString()))
        else:
            html = unicode(reply.readAll())
        reply.deleteLater()
        self.txtHelp.setHtml(html)

    def getAvailableDependencies(self):
        if self._algName is None:
            dependent = []
        else:
            dependent = self.model.getDependentAlgorithms(self._algName)
        opts = []
        for alg in self.model.algs.values():
            if alg.name not in dependent:
                opts.append(alg)
        return opts

    def getDependenciesPanel(self):
        return MultipleInputPanel(
            [alg.algorithm.name for alg in self.getAvailableDependencies()])

    def showAdvancedParametersClicked(self):
        self.showAdvanced = not self.showAdvanced
        if self.showAdvanced:
            self.advancedButton.setText(self.tr('Hide advanced parameters'))
        else:
            self.advancedButton.setText(self.tr('Show advanced parameters'))
        for param in self._alg.parameters:
            if param.isAdvanced:
                self.labels[param.name].setVisible(self.showAdvanced)
                self.widgets[param.name].setVisible(self.showAdvanced)

    def getAvailableValuesOfType(self, paramType, outType=None):
        values = []
        inputs = self.model.inputs
        for i in inputs.values():
            param = i.param
            if isinstance(param, paramType):
                values.append(ValueFromInput(param.name))
        if outType is None:
            return values
        if self._algName is None:
            dependent = []
        else:
            dependent = self.model.getDependentAlgorithms(self._algName)
        for alg in self.model.algs.values():
            if alg.name not in dependent:
                for out in alg.algorithm.outputs:
                    if isinstance(out, outType):
                        values.append(ValueFromOutput(alg.name, out.name))

        return values

    def resolveValueDescription(self, value):
        if isinstance(value, ValueFromInput):
            return self.model.inputs[value.name].param.description
        else:
            alg = self.model.algs[value.alg]
            return self.tr("'%s' from algorithm '%s'") % (
                alg.algorithm.getOutputFromName(
                    value.output).description, alg.description)

    def getWidgetFromParameter(self, param):
        if isinstance(param, ParameterRaster):
            item = QComboBox()
            layers = self.getAvailableValuesOfType(ParameterRaster,
                                                   OutputRaster)
            if param.optional:
                item.addItem(self.NOT_SELECTED, None)
            for layer in layers:
                item.addItem(self.resolveValueDescription(layer), layer)
        elif isinstance(param, ParameterVector):
            item = QComboBox()
            layers = self.getAvailableValuesOfType(ParameterVector,
                                                   OutputVector)
            if param.optional:
                item.addItem(self.NOT_SELECTED, None)
            for layer in layers:
                item.addItem(self.resolveValueDescription(layer), layer)
        elif isinstance(param, ParameterTable):
            item = QComboBox()
            tables = self.getAvailableValuesOfType(ParameterTable, OutputTable)
            layers = self.getAvailableValuesOfType(ParameterVector,
                                                   OutputVector)
            if param.optional:
                item.addItem(self.NOT_SELECTED, None)
            for table in tables:
                item.addItem(self.resolveValueDescription(table), table)
            for layer in layers:
                item.addItem(self.resolveValueDescription(layer), layer)
        elif isinstance(param, ParameterBoolean):
            item = QComboBox()
            item.addItem('Yes')
            item.addItem('No')
            bools = self.getAvailableValuesOfType(ParameterBoolean, None)
            for b in bools:
                item.addItem(self.resolveValueDescription(b), b)
            if param.default:
                item.setCurrentIndex(0)
            else:
                item.setCurrentIndex(1)
        elif isinstance(param, ParameterSelection):
            item = QComboBox()
            item.addItems(param.options)
            item.setCurrentIndex(param.default or 0)
        elif isinstance(param, ParameterFixedTable):
            item = FixedTablePanel(param)
        elif isinstance(param, ParameterRange):
            item = RangePanel(param)
        elif isinstance(param, ParameterMultipleInput):
            if param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
                options = self.getAvailableValuesOfType(
                    ParameterVector, OutputVector)
            else:
                options = self.getAvailableValuesOfType(
                    ParameterRaster, OutputRaster)
            opts = []
            for opt in options:
                opts.append(self.resolveValueDescription(opt))
            item = MultipleInputPanel(opts)
        elif isinstance(param, ParameterString):
            strings = self.getAvailableValuesOfType(ParameterString,
                                                    OutputString)
            options = [(self.resolveValueDescription(s), s) for s in strings]
            if param.multiline:
                item = MultilineTextPanel(options)
                item.setText(unicode(param.default or ""))
            else:
                item = QComboBox()
                item.setEditable(True)
                for desc, val in options:
                    item.addItem(desc, val)
                item.setEditText(unicode(param.default or ""))
        elif isinstance(param, ParameterTableField):
            item = QComboBox()
            item.setEditable(True)
            fields = self.getAvailableValuesOfType(ParameterTableField, None)
            for f in fields:
                item.addItem(self.resolveValueDescription(f), f)
        elif isinstance(param, ParameterTableMultipleField):
            item = QComboBox()
            item.setEditable(True)
            fields = self.getAvailableValuesOfType(ParameterTableMultipleField,
                                                   None)
            for f in fields:
                item.addItem(self.resolveValueDescription(f), f)
        elif isinstance(param, ParameterNumber):
            item = QComboBox()
            item.setEditable(True)
            numbers = self.getAvailableValuesOfType(ParameterNumber,
                                                    OutputNumber)
            for n in numbers:
                item.addItem(self.resolveValueDescription(n), n)
            item.setEditText(unicode(param.default))
        elif isinstance(param, ParameterCrs):
            item = CrsSelectionPanel(param.default)
        elif isinstance(param, ParameterExtent):
            item = QComboBox()
            item.setEditable(True)
            extents = self.getAvailableValuesOfType(ParameterExtent,
                                                    OutputExtent)
            if self.canUseAutoExtent():
                item.addItem(self.USE_MIN_COVERING_EXTENT, None)
            for ex in extents:
                item.addItem(self.resolveValueDescription(ex), ex)
            if not self.canUseAutoExtent():
                item.setEditText(unicode(param.default))
        elif isinstance(param, ParameterPoint):
            item = QComboBox()
            item.setEditable(True)
            points = self.getAvailableValuesOfType(ParameterPoint)
            for p in points:
                item.addItem(self.resolveValueDescription(p), p)
            item.setEditText(unicode(param.default))
        elif isinstance(param, ParameterFile):
            item = QComboBox()
            item.setEditable(True)
            files = self.getAvailableValuesOfType(ParameterFile, OutputFile)
            for f in files:
                item.addItem(self.resolveValueDescription(f), f)
        elif isinstance(param, ParameterGeometryPredicate):
            item = GeometryPredicateSelectionPanel(param.enabledPredicates)
        else:
            item = QLineEdit()
            try:
                item.setText(unicode(param.default))
            except:
                pass
        return item

    def canUseAutoExtent(self):
        for param in self._alg.parameters:
            if isinstance(
                    param,
                (ParameterRaster, ParameterVector, ParameterMultipleInput)):
                return True
        return False

    def setTableContent(self):
        params = self._alg.parameters
        outputs = self._alg.outputs
        visibleParams = [p for p in params if not p.hidden]
        visibleOutputs = [p for o in outputs if not o.hidden]
        self.tableWidget.setRowCount(len(visibleParams) + len(visibleOutputs))

        for i, param in visibleParams:
            item = QTableWidgetItem(param.description)
            item.setFlags(Qt.ItemIsEnabled)
            self.tableWidget.setItem(i, 0, item)
            item = self.getWidgetFromParameter(param)
            self.valueItems[param.name] = item
            self.tableWidget.setCellWidget(i, 1, item)
            self.tableWidget.setRowHeight(i, 22)

        for i, output in visibleOutputs:
            item = QTableWidgetItem(output.description + '<' +
                                    output.__module__.split('.')[-1] + '>')
            item.setFlags(Qt.ItemIsEnabled)
            self.tableWidget.setItem(i, 0, item)
            item = QLineEdit()
            if hasattr(item, 'setPlaceholderText'):
                item.setPlaceholderText(ModelerParametersDialog.ENTER_NAME)
            self.valueItems[output.name] = item
            self.tableWidget.setCellWidget(i, 1, item)
            self.tableWidget.setRowHeight(i, 22)

    def setComboBoxValue(self, combo, value, param):
        if isinstance(value, list):
            value = value[0]
        items = [combo.itemData(i) for i in range(combo.count())]
        try:
            idx = items.index(value)
            combo.setCurrentIndex(idx)
            return
        except ValueError:
            pass
        if combo.isEditable():
            if value is not None:
                combo.setEditText(unicode(value))
        elif isinstance(param, ParameterSelection):
            combo.setCurrentIndex(int(value))
        elif isinstance(param, ParameterBoolean):
            if value:
                combo.setCurrentIndex(0)
            else:
                combo.setCurrentIndex(1)

    def setPreviousValues(self):
        if self._algName is not None:
            alg = self.model.algs[self._algName]
            self.descriptionBox.setText(alg.description)
            for param in alg.algorithm.parameters:
                if param.hidden:
                    continue
                widget = self.valueItems[param.name]
                if param.name in alg.params:
                    value = alg.params[param.name]
                else:
                    value = param.default
                if isinstance(
                        param,
                    (ParameterRaster, ParameterVector, ParameterTable,
                     ParameterTableField, ParameterSelection, ParameterNumber,
                     ParameterBoolean, ParameterExtent, ParameterFile,
                     ParameterPoint)):
                    self.setComboBoxValue(widget, value, param)
                elif isinstance(param, ParameterString):
                    if param.multiline:
                        widget.setValue(value)
                    else:
                        self.setComboBoxValue(widget, value, param)
                elif isinstance(param, ParameterCrs):
                    widget.setAuthId(value)
                elif isinstance(param, ParameterFixedTable):
                    pass  # TODO!
                elif isinstance(param, ParameterMultipleInput):
                    if param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
                        options = self.getAvailableValuesOfType(
                            ParameterVector, OutputVector)
                    else:
                        options = self.getAvailableValuesOfType(
                            ParameterRaster, OutputRaster)
                    selected = []
                    for i, opt in enumerate(options):
                        if opt in value:
                            selected.append(i)
                    widget.setSelectedItems(selected)
                elif isinstance(param, ParameterGeometryPredicate):
                    widget.setValue(value)

            for name, out in alg.outputs.iteritems():
                widget = self.valueItems[name].setText(out.description)

            selected = []
            dependencies = self.getAvailableDependencies()
            for idx, dependency in enumerate(dependencies):
                if dependency.name in alg.dependencies:
                    selected.append(idx)

            self.dependenciesPanel.setSelectedItems(selected)

    def createAlgorithm(self):
        alg = Algorithm(self._alg.commandLineName())
        alg.setName(self.model)
        alg.description = self.descriptionBox.text()
        params = self._alg.parameters
        outputs = self._alg.outputs
        for param in params:
            if param.hidden:
                continue
            if not self.setParamValue(alg, param, self.valueItems[param.name]):
                self.bar.pushMessage(
                    "Error",
                    "Wrong or missing value for parameter '%s'" %
                    param.description,
                    level=QgsMessageBar.WARNING)
                return None
        for output in outputs:
            if not output.hidden:
                name = unicode(self.valueItems[output.name].text())
                if name.strip(
                ) != '' and name != ModelerParametersDialog.ENTER_NAME:
                    alg.outputs[output.name] = ModelerOutput(name)

        selectedOptions = self.dependenciesPanel.selectedoptions
        availableDependencies = self.getAvailableDependencies()
        for selected in selectedOptions:
            alg.dependencies.append(availableDependencies[selected].name)

        return alg

    def setParamValueLayerOrTable(self, alg, param, widget):
        idx = widget.currentIndex()
        if idx < 0:
            return False
        else:
            value = widget.itemData(widget.currentIndex())
            alg.params[param.name] = value
            return True

    def setParamTableFieldValue(self, alg, param, widget):
        idx = widget.findText(widget.currentText())
        if idx < 0:
            s = unicode(widget.currentText()).strip()
            if s == '':
                if param.optional:
                    alg.params[param.name] = None
                    return True
                else:
                    return False
            else:
                alg.params[param.name] = s
                return True
        else:
            alg.params[param.name] = widget.itemData(widget.currentIndex())
        return True

    def setParamStringValue(self, alg, param, widget):
        if param.multiline:
            value = widget.getValue()
            option = widget.getOption()
            if option == MultilineTextPanel.USE_TEXT:
                if value == '':
                    if param.optional:
                        alg.params[param.name] = None
                        return True
                    else:
                        return False
                else:
                    alg.params[param.name] = value
            else:
                alg.params[param.name] = value
        else:
            idx = widget.findText(widget.currentText())
            if idx < 0:
                value = widget.currentText().strip()
                if value == '':
                    if param.optional:
                        alg.params[param.name] = None
                        return True
                    else:
                        return False
                else:
                    alg.params[param.name] = value
            else:
                alg.params[param.name] = widget.itemData(widget.currentIndex())
        return True

    def setParamFileValue(self, alg, param, widget):
        idx = widget.findText(widget.currentText())
        if idx < 0:
            value = widget.currentText()
        else:
            value = widget.itemData(widget.currentIndex())
        alg.params[param.name] = value
        return True

    def setParamNumberValue(self, alg, param, widget):
        idx = widget.findText(widget.currentText())
        if idx < 0:
            s = widget.currentText().strip()
            if s:
                try:
                    value = float(s)
                except:
                    return False
            elif param.optional:
                value = None
            else:
                return False
        else:
            value = widget.itemData(widget.currentIndex())
        alg.params[param.name] = value
        return True

    def setParamExtentValue(self, alg, param, widget):
        idx = widget.findText(widget.currentText())
        if idx < 0:
            s = unicode(widget.currentText()).strip()
            if s:
                try:
                    tokens = s.split(',')
                    if len(tokens) != 4:
                        return False
                    for token in tokens:
                        float(token)
                except:
                    return False
            elif param.optional:
                s = None
            else:
                return False
            alg.params[param.name] = [s]
        else:
            value = widget.itemData(widget.currentIndex())
            alg.params[param.name] = value
        return True

    def setParamPointValue(self, alg, param, widget):
        idx = widget.findText(widget.currentText())
        if idx < 0:
            s = unicode(widget.currentText()).strip()
            if s:
                try:
                    tokens = s.split(',')
                    if len(tokens) != 2:
                        return False
                    for token in tokens:
                        float(token)
                except:
                    return False
            elif param.optional:
                s = None
            else:
                return False
            alg.params[param.name] = [s]
        else:
            value = widget.itemData(widget.currentIndex())
            alg.params[param.name] = value
        return True

    def setParamValue(self, alg, param, widget):
        if isinstance(param,
                      (ParameterRaster, ParameterVector, ParameterTable)):
            return self.setParamValueLayerOrTable(alg, param, widget)
        elif isinstance(param, ParameterBoolean):
            if widget.currentIndex() < 2:
                value = widget.currentIndex() == 0
            else:
                value = widget.itemData(widget.currentIndex())
            alg.params[param.name] = value
            return True
        elif isinstance(param, ParameterString):
            return self.setParamStringValue(alg, param, widget)
        elif isinstance(param, ParameterNumber):
            return self.setParamNumberValue(alg, param, widget)
        elif isinstance(param, ParameterExtent):
            return self.setParamExtentValue(alg, param, widget)
        elif isinstance(param, ParameterPoint):
            return self.setParamPointValue(alg, param, widget)
        elif isinstance(param, ParameterFile):
            return self.setParamFileValue(alg, param, widget)
        elif isinstance(param, ParameterSelection):
            alg.params[param.name] = widget.currentIndex()
            return True
        elif isinstance(param, ParameterRange):
            alg.params[param.name] = widget.getValue()
            return True
        elif isinstance(param, ParameterCrs):
            authid = widget.getValue()
            if authid is None and not param.optional:
                return False
            alg.params[param.name] = authid
            return True
        elif isinstance(param, ParameterFixedTable):
            table = widget.table
            if not bool(table) and not param.optional:
                return False
            alg.params[param.name] = ParameterFixedTable.tableToString(table)
            return True
        elif isinstance(param,
                        (ParameterTableField, ParameterTableMultipleField)):
            return self.setParamTableFieldValue(alg, param, widget)
        elif isinstance(param, ParameterMultipleInput):
            if param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
                options = self.getAvailableValuesOfType(
                    ParameterVector, OutputVector)
            else:
                options = self.getAvailableValuesOfType(
                    ParameterRaster, OutputRaster)
            values = [options[i] for i in widget.selectedoptions]
            if len(values) == 0 and not param.optional:
                return False
            alg.params[param.name] = values
            return True
        elif isinstance(param, ParameterGeometryPredicate):
            alg.params[param.name] = widget.value()
            return True
        else:
            alg.params[param.name] = unicode(widget.text())
            return True

    def okPressed(self):
        self.alg = self.createAlgorithm()
        if self.alg is not None:
            self.close()

    def cancelPressed(self):
        self.alg = None
        self.close()
Esempio n. 8
0
class ParamBox(QDialog):
    """
    Param box of the plugin
    """
    def __init__(self, parent=None, tree_dock=None):
        QWidget.__init__(self, parent)
        self.tree_dock = tree_dock

        # Init GUI
        self.init_gui()

        # Evaluate flags and tupdate the state of the Apply button
        self.evaluate_flags()

    def init_gui(self):
        """
        """
        dlg_layout = QVBoxLayout()
        params_layout = QVBoxLayout()
        params_layout.setAlignment(Qt.AlignTop)

        # Config files groupbox
        self.config_files_groupbox = QgsCollapsibleGroupBox(
            u"Fichier de configuration de l'arbre des ressources")
        config_file_groupbox_layout = QFormLayout(self.config_files_groupbox)

        # URL of the file
        self.config_file_url_label = QLabel(u"URL du fichier", self)
        self.config_file_url_edit = QLineEdit(self)
        self.config_file_url_edit.editingFinished.connect(
            self.config_file_url_changed)
        config_file_groupbox_layout.addRow(self.config_file_url_label,
                                           self.config_file_url_edit)

        # Download the file at startup
        self.download_cb = QCheckBox(
            u"Télécharger le fichier à chaque lancement de QGIS", self)
        self.download_cb.stateChanged.connect(self.download_cb_changed)
        config_file_groupbox_layout.addRow(self.download_cb)

        params_layout.addWidget(self.config_files_groupbox)

        # Download the file now
        self.download_now_label = QLabel(u"Télécharger le fichier maintenant",
                                         self)
        self.download_now_btnbox = QDialogButtonBox()
        self.download_now_btnbox.setOrientation(Qt.Horizontal)
        self.download_now_btnbox.setStandardButtons(QDialogButtonBox.Yes)
        self.download_now_btnbox.button(QDialogButtonBox.Yes).clicked.connect(
            self.download_file_now)
        config_file_groupbox_layout.addRow(self.download_now_label,
                                           self.download_now_btnbox)

        # Content of the resource tree groupbox
        self.resource_tree_groupbox = QgsCollapsibleGroupBox(
            u"Contenu de l'arbre des ressources")
        resource_tree_groupbox_layout = QFormLayout(
            self.resource_tree_groupbox)

        # Hide resources with a warn flag
        self.hide_resources_with_warn_status_cb = QCheckBox(
            u"Masquer les ressources en cours d'intégration", self)
        self.hide_resources_with_warn_status_cb.stateChanged.connect(
            self.hide_resources_with_warn_cb_changed)
        resource_tree_groupbox_layout.addRow(
            self.hide_resources_with_warn_status_cb)

        # Hide empty groups in the resources tree
        self.hide_empty_groups_cb = QCheckBox(
            u"Masquer les groupes de ressources vides", self)
        self.hide_empty_groups_cb.stateChanged.connect(
            self.hide_empty_groups_cb_changed)
        resource_tree_groupbox_layout.addRow(self.hide_empty_groups_cb)

        params_layout.addWidget(self.resource_tree_groupbox)
        dlg_layout.addLayout(params_layout)

        # Set values
        self.set_values_from_qsettings()

        # Bottom dialog buttons
        self.button_box = QDialogButtonBox()
        self.button_box.setOrientation(Qt.Horizontal)
        self.button_box.setStandardButtons(QDialogButtonBox.RestoreDefaults
                                           | QDialogButtonBox.Apply
                                           | QDialogButtonBox.Close)
        self.button_box.button(
            QDialogButtonBox.RestoreDefaults).clicked.connect(
                self.restore_defaults_button_clicked)
        self.button_box.button(QDialogButtonBox.Close).clicked.connect(
            self.close_button_clicked)
        self.button_box.button(QDialogButtonBox.Apply).clicked.connect(
            self.apply_button_clicked)

        # Dialog box title, layout, size and display
        title = u"Paramétrage de l'extension GéoSAS…"
        self.setWindowTitle(title)
        dlg_layout.addWidget(self.button_box)
        self.setLayout(dlg_layout)
        self.setMinimumWidth(500)
        self.resize(self.sizeHint())
        self.setSizeGripEnabled(False)
        self.setFixedSize(self.size())
        self.show()
        self.setSizeGripEnabled(False)

    def set_values_from_qsettings(self):
        """
        """
        # URL of the file
        self.config_file_url_edit.blockSignals(True)
        self.config_file_url_edit.setText(
            PluginGlobals.instance().CONFIG_FILE_URLS[0])
        self.config_file_url_edit.setCursorPosition(0)
        self.config_file_url_edit.blockSignals(False)

        # Download the file at startup
        self.download_cb.blockSignals(True)
        self.download_cb.setChecked(
            PluginGlobals.instance().CONFIG_FILES_DOWNLOAD_AT_STARTUP)
        self.download_cb.blockSignals(True)

        # Hide resources with a warn flag
        self.hide_resources_with_warn_status_cb.blockSignals(True)
        self.hide_resources_with_warn_status_cb.setChecked(
            PluginGlobals.instance().HIDE_RESOURCES_WITH_WARN_STATUS)
        self.hide_resources_with_warn_status_cb.blockSignals(False)

        # Hide empty groups in the resources tree
        self.hide_empty_groups_cb.blockSignals(True)
        self.hide_empty_groups_cb.setChecked(
            PluginGlobals.instance().HIDE_EMPTY_GROUPS)
        self.hide_empty_groups_cb.blockSignals(False)

    def evaluate_flags(self):
        """
        """
        # Detect modifications
        file_url_changed = (self.config_file_url_edit.text() !=
                            PluginGlobals.instance().CONFIG_FILE_URLS[0])

        download_at_startup_changed = \
            (self.download_cb.isChecked() != PluginGlobals.instance().CONFIG_FILES_DOWNLOAD_AT_STARTUP)

        hide_resources_with_warn_status_changed = \
            (self.hide_resources_with_warn_status_cb.isChecked() !=
             PluginGlobals.instance().HIDE_RESOURCES_WITH_WARN_STATUS)

        hide_empty_groups_changed = \
            (self.hide_empty_groups_cb.isChecked() != PluginGlobals.instance().HIDE_EMPTY_GROUPS)

        # Init flags
        self.need_update_visibility_of_tree_items = hide_empty_groups_changed or hide_resources_with_warn_status_changed
        self.need_update_of_tree_content = file_url_changed
        self.need_save = file_url_changed or download_at_startup_changed or \
                         hide_resources_with_warn_status_changed or \
                         hide_empty_groups_changed

        # Update state of the Apply Button
        self.button_box.button(QDialogButtonBox.Apply).setEnabled(
            self.need_save)

    def download_cb_changed(self, state):
        """
        Event sent when the state of the checkbox change
        """
        self.evaluate_flags()

    def config_file_url_changed(self):
        """
        Event sent when the text of the line edit has been edited
        """
        self.evaluate_flags()

    def hide_resources_with_warn_cb_changed(self, state):
        """
        Event sent when the state of the checkbox change
        """
        self.evaluate_flags()

    def hide_empty_groups_cb_changed(self, state):
        """
        Event sent when the state of the checkbox change
        """
        self.evaluate_flags()

    def download_file_now(self):
        """
        """
        # Download, read the resources tree file and update the GUI
        download_tree_config_file(self.config_file_url_edit.text())
        self.ressources_tree = TreeNodeFactory(
            PluginGlobals.instance().config_file_path).root_node
        if self.tree_dock is not None:
            self.tree_dock.set_tree_content(self.ressources_tree)

    def save_settings(self):
        """
        """
        # URL of the file
        new_value = [self.config_file_url_edit.text()]
        PluginGlobals.instance().set_qgis_settings_value(
            "config_file_urls", new_value)

        # Download the file at startup
        new_value = self.download_cb.isChecked()
        PluginGlobals.instance().set_qgis_settings_value(
            "config_files_download_at_startup", new_value)

        # Hide resources with a warn flag
        new_value = self.hide_resources_with_warn_status_cb.isChecked()
        PluginGlobals.instance().set_qgis_settings_value(
            "hide_resources_with_warn_status", new_value)

        # Hide empty groups in the resources tree
        new_value = self.hide_empty_groups_cb.isChecked()
        PluginGlobals.instance().set_qgis_settings_value(
            "hide_empty_groups", new_value)

        # Download, read the resources tree file and update the GUI
        if self.need_update_of_tree_content:
            download_tree_config_file(
                PluginGlobals.instance().CONFIG_FILE_URLS[0])
            self.ressources_tree = TreeNodeFactory(
                PluginGlobals.instance().config_file_path).root_node
            self.tree_dock.set_tree_content(self.ressources_tree)

        # Update the visibility of tree items
        elif self.need_update_visibility_of_tree_items and self.tree_dock is not None:
            self.tree_dock.update_visibility_of_tree_items()

    def apply_button_clicked(self):
        """
        """
        self.save_settings()
        self.evaluate_flags()

    def close_button_clicked(self):
        """
        """
        self.close()

    def restore_defaults_button_clicked(self):
        """
        """
        # URL of the file
        self.config_file_url_edit.blockSignals(True)
        self.config_file_url_edit.setText(
            PluginGlobals.instance().get_qgis_setting_default_value(
                "CONFIG_FILE_URLS")[0])
        self.config_file_url_edit.setCursorPosition(0)
        self.config_file_url_edit.blockSignals(False)

        # Download the file at startup
        self.download_cb.blockSignals(True)
        self.download_cb.setChecked(
            PluginGlobals.instance().get_qgis_setting_default_value(
                "CONFIG_FILES_DOWNLOAD_AT_STARTUP"))
        self.download_cb.blockSignals(False)

        # Hide resources with a warn flag
        self.hide_resources_with_warn_status_cb.blockSignals(True)
        self.hide_resources_with_warn_status_cb.setChecked(
            PluginGlobals.instance().get_qgis_setting_default_value(
                "HIDE_RESOURCES_WITH_WARN_STATUS"))
        self.hide_resources_with_warn_status_cb.blockSignals(False)

        # Hide empty groups in the resources tree
        self.hide_empty_groups_cb.blockSignals(True)
        self.hide_empty_groups_cb.setChecked(
            PluginGlobals.instance().get_qgis_setting_default_value(
                "HIDE_EMPTY_GROUPS"))
        self.hide_empty_groups_cb.blockSignals(False)

        self.evaluate_flags()

    def closeEvent(self, evnt):
        """
        """

        if self.need_save:
            reply = QMessageBox.question(
                self, u"Sauvegarder ?",
                u"Voulez-vous appliquer les changements avant de fermer la fenêtre de paramétrage de l'extension ?",
                QMessageBox.Yes | QMessageBox.No | QMessageBox.Cancel,
                QMessageBox.Yes)

            if reply == QMessageBox.No:
                evnt.accept()
                super(ParamBox, self).closeEvent(evnt)
            elif reply == QMessageBox.Yes:
                self.save_settings()
                evnt.accept()
                super(ParamBox, self).closeEvent(evnt)

        else:
            evnt.accept()
            super(ParamBox, self).closeEvent(evnt)

        evnt.ignore()
class ModelerParameterDefinitionDialog(QDialog):
    PARAMETER_NUMBER = 'Number'
    PARAMETER_RASTER = 'Raster Layer'
    PARAMETER_TABLE = 'Vector Layer'
    PARAMETER_VECTOR = 'Vector Features'
    PARAMETER_STRING = 'String'
    PARAMETER_EXPRESSION = 'Expression'
    PARAMETER_BOOLEAN = 'Boolean'
    PARAMETER_TABLE_FIELD = 'Vector Field'
    PARAMETER_EXTENT = 'Extent'
    PARAMETER_FILE = 'File'
    PARAMETER_POINT = 'Point'
    PARAMETER_CRS = 'CRS'
    PARAMETER_MULTIPLE = 'Multiple Input'
    PARAMETER_BAND = 'Raster Band'
    PARAMETER_MAP_LAYER = 'Map Layer'

    paramTypes = [
        PARAMETER_BOOLEAN,
        PARAMETER_EXTENT,
        PARAMETER_FILE,
        PARAMETER_NUMBER,
        PARAMETER_RASTER,
        PARAMETER_STRING,
        PARAMETER_EXPRESSION,
        PARAMETER_MAP_LAYER,
        PARAMETER_TABLE,
        PARAMETER_TABLE_FIELD,
        PARAMETER_VECTOR,
        PARAMETER_POINT,
        PARAMETER_CRS,
        PARAMETER_MULTIPLE,
        PARAMETER_BAND
    ]

    def __init__(self, alg, paramType=None, param=None):
        self.alg = alg
        self.paramType = paramType
        self.param = param
        QDialog.__init__(self)
        self.setModal(True)
        self.setupUi()
        settings = QgsSettings()
        self.restoreGeometry(settings.value("/Processing/modelParametersDefinitionDialogGeometry", QByteArray()))

    def closeEvent(self, event):
        settings = QgsSettings()
        settings.setValue("/Processing/modelParametersDefinitionDialogGeometry", self.saveGeometry())
        super(ModelerParameterDefinitionDialog, self).closeEvent(event)

    def setupUi(self):
        self.setWindowTitle(self.tr('Parameter Definition'))
        self.setMinimumWidth(300)

        self.verticalLayout = QVBoxLayout(self)
        self.verticalLayout.setMargin(20)

        self.label = QLabel(self.tr('Parameter name'))
        self.verticalLayout.addWidget(self.label)
        self.nameTextBox = QLineEdit()
        self.verticalLayout.addWidget(self.nameTextBox)

        if isinstance(self.param, QgsProcessingParameterDefinition):
            self.nameTextBox.setText(self.param.description())

        if self.paramType == ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN or \
                isinstance(self.param, QgsProcessingParameterBoolean):
            self.state = QCheckBox()
            self.state.setText(self.tr('Checked'))
            self.state.setChecked(False)
            if self.param is not None:
                self.state.setChecked(bool(self.param.defaultValue()))
            self.verticalLayout.addWidget(self.state)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD or \
                isinstance(self.param, QgsProcessingParameterField):
            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            idx = 0
            for param in list(self.alg.parameterComponents().values()):
                definition = self.alg.parameterDefinition(param.parameterName())
                if isinstance(definition, (QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer)):
                    self.parentCombo.addItem(definition.description(), definition.name())
                    if self.param is not None:
                        if self.param.parentLayerParameterName() == definition.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)

            # add the datatype selector
            self.verticalLayout.addWidget(QLabel(self.tr('Allowed data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Any'), -1)
            self.datatypeCombo.addItem(self.tr('Number'), 0)
            self.datatypeCombo.addItem(self.tr('String'), 1)
            self.datatypeCombo.addItem(self.tr('Date/time'), 2)
            self.verticalLayout.addWidget(self.datatypeCombo)

            if self.param is not None and self.param.dataType() is not None:
                # QComboBoxes indexes start at 0,
                # self.param.datatype start with -1 that is why I need to do +1
                datatypeIndex = self.param.dataType() + 1
                self.datatypeCombo.setCurrentIndex(datatypeIndex)

            self.multipleCheck = QCheckBox()
            self.multipleCheck.setText(self.tr('Accept multiple fields'))
            self.multipleCheck.setChecked(False)
            if self.param is not None:
                self.multipleCheck.setChecked(self.param.allowMultiple())
            self.verticalLayout.addWidget(self.multipleCheck)

            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setToolTip(
                self.tr('Default field name, or ; separated list of field names for multiple field parameters'))
            if self.param is not None:
                default = self.param.defaultValue()
                if default is not None:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)

        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_BAND or \
                isinstance(self.param, QgsProcessingParameterBand):
            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            idx = 0
            for param in list(self.alg.parameterComponents().values()):
                definition = self.alg.parameterDefinition(param.parameterName())
                if isinstance(definition, (QgsProcessingParameterRasterLayer)):
                    self.parentCombo.addItem(definition.description(), definition.name())
                    if self.param is not None:
                        if self.param.parentLayerParameterName() == definition.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)
        elif (self.paramType in (
                ModelerParameterDefinitionDialog.PARAMETER_VECTOR, ModelerParameterDefinitionDialog.PARAMETER_TABLE) or
                isinstance(self.param, (QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer))):
            self.verticalLayout.addWidget(QLabel(self.tr('Geometry type')))
            self.shapetypeCombo = QComboBox()
            self.shapetypeCombo.addItem(self.tr('Geometry Not Required'), QgsProcessing.TypeVector)
            self.shapetypeCombo.addItem(self.tr('Point'), QgsProcessing.TypeVectorPoint)
            self.shapetypeCombo.addItem(self.tr('Line'), QgsProcessing.TypeVectorLine)
            self.shapetypeCombo.addItem(self.tr('Polygon'), QgsProcessing.TypeVectorPolygon)
            self.shapetypeCombo.addItem(self.tr('Any Geometry Type'), QgsProcessing.TypeVectorAnyGeometry)
            if self.param is not None:
                self.shapetypeCombo.setCurrentIndex(self.shapetypeCombo.findData(self.param.dataTypes()[0]))
            self.verticalLayout.addWidget(self.shapetypeCombo)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE or
              isinstance(self.param, QgsProcessingParameterMultipleLayers)):
            self.verticalLayout.addWidget(QLabel(self.tr('Data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Any Map Layer'), QgsProcessing.TypeMapLayer)
            self.datatypeCombo.addItem(self.tr('Vector (No Geometry Required)'), QgsProcessing.TypeVector)
            self.datatypeCombo.addItem(self.tr('Vector (Point)'), QgsProcessing.TypeVectorPoint)
            self.datatypeCombo.addItem(self.tr('Vector (Line)'), QgsProcessing.TypeVectorLine)
            self.datatypeCombo.addItem(self.tr('Vector (Polygon)'), QgsProcessing.TypeVectorPolygon)
            self.datatypeCombo.addItem(self.tr('Vector (Any Geometry Type)'), QgsProcessing.TypeVectorAnyGeometry)
            self.datatypeCombo.addItem(self.tr('Raster'), QgsProcessing.TypeRaster)
            self.datatypeCombo.addItem(self.tr('File'), QgsProcessing.TypeFile)
            if self.param is not None:
                self.datatypeCombo.setCurrentIndex(self.datatypeCombo.findData(self.param.layerType()))
            self.verticalLayout.addWidget(self.datatypeCombo)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or
              isinstance(self.param, QgsProcessingParameterNumber)):
            self.verticalLayout.addWidget(QLabel(self.tr('Min value')))
            self.minTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.minTextBox)
            self.verticalLayout.addWidget(QLabel(self.tr('Max value')))
            self.maxTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.maxTextBox)
            if self.param is not None:
                self.minTextBox.setText(str(self.param.minimum()))
                self.maxTextBox.setText(str(self.param.maximum()))
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setText(self.tr('0'))
            if self.param is not None:
                default = self.param.defaultValue()
                if self.param.dataType() == QgsProcessingParameterNumber.Integer:
                    default = int(math.floor(default))
                if default:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_EXPRESSION or
              isinstance(self.param, QgsProcessingParameterExpression)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultEdit = QgsExpressionLineEdit()
            if self.param is not None:
                self.defaultEdit.setExpression(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultEdit)

            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            self.parentCombo.addItem(self.tr("None"), None)
            idx = 1
            for param in list(self.alg.parameterComponents().values()):
                definition = self.alg.parameterDefinition(param.parameterName())
                if isinstance(definition, (QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer)):
                    self.parentCombo.addItem(definition.description(), definition.name())
                    if self.param is not None:
                        if self.param.parentLayerParameterName() == definition.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or
              isinstance(self.param, QgsProcessingParameterString)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or
              isinstance(self.param, QgsProcessingParameterFile)):
            self.verticalLayout.addWidget(QLabel(self.tr('Type')))
            self.fileFolderCombo = QComboBox()
            self.fileFolderCombo.addItem(self.tr('File'))
            self.fileFolderCombo.addItem(self.tr('Folder'))
            if self.param is not None:
                self.fileFolderCombo.setCurrentIndex(
                    1 if self.param.behavior() == QgsProcessingParameterFile.Folder else 0)
            self.verticalLayout.addWidget(self.fileFolderCombo)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_POINT or
              isinstance(self.param, QgsProcessingParameterPoint)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_CRS or
              isinstance(self.param, QgsProcessingParameterCrs)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.selector = QgsProjectionSelectionWidget()
            if self.param is not None:
                self.selector.setCrs(QgsCoordinateReferenceSystem(self.param.defaultValue()))
            else:
                self.selector.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
            self.verticalLayout.addWidget(self.selector)

        self.verticalLayout.addSpacing(20)
        self.requiredCheck = QCheckBox()
        self.requiredCheck.setText(self.tr('Mandatory'))
        self.requiredCheck.setChecked(True)
        if self.param is not None:
            self.requiredCheck.setChecked(not self.param.flags() & QgsProcessingParameterDefinition.FlagOptional)
        self.verticalLayout.addWidget(self.requiredCheck)

        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel |
                                          QDialogButtonBox.Ok)
        self.buttonBox.setObjectName('buttonBox')
        self.buttonBox.accepted.connect(self.accept)
        self.buttonBox.rejected.connect(self.reject)

        self.verticalLayout.addStretch()
        self.verticalLayout.addWidget(self.buttonBox)

        self.setLayout(self.verticalLayout)

    def accept(self):
        description = str(self.nameTextBox.text())
        if description.strip() == '':
            QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                self.tr('Invalid parameter name'))
            return
        if self.param is None:
            validChars = \
                'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
            safeName = ''.join(c for c in description if c in validChars)
            name = safeName.lower()
            i = 2
            while self.alg.parameterDefinition(name):
                name = safeName.lower() + str(i)
                i += 1
        else:
            name = self.param.name()
        if (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN or
                isinstance(self.param, QgsProcessingParameterBoolean)):
            self.param = QgsProcessingParameterBoolean(name, description, self.state.isChecked())
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD or
              isinstance(self.param, QgsProcessingParameterField)):
            if self.parentCombo.currentIndex() < 0:
                QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                    self.tr('Wrong or missing parameter values'))
                return
            parent = self.parentCombo.currentData()
            datatype = self.datatypeCombo.currentData()
            default = self.defaultTextBox.text()
            if not default:
                default = None
            self.param = QgsProcessingParameterField(name, description, defaultValue=default,
                                                     parentLayerParameterName=parent, type=datatype,
                                                     allowMultiple=self.multipleCheck.isChecked())
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_BAND or
              isinstance(self.param, QgsProcessingParameterBand)):
            if self.parentCombo.currentIndex() < 0:
                QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                    self.tr('Wrong or missing parameter values'))
                return
            parent = self.parentCombo.currentData()
            self.param = QgsProcessingParameterBand(name, description, None, parent)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_MAP_LAYER or
              isinstance(self.param, QgsProcessingParameterMapLayer)):
            self.param = QgsProcessingParameterMapLayer(
                name, description)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_RASTER or
              isinstance(self.param, QgsProcessingParameterRasterLayer)):
            self.param = QgsProcessingParameterRasterLayer(
                name, description)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_TABLE or
              isinstance(self.param, QgsProcessingParameterVectorLayer)):
            self.param = QgsProcessingParameterVectorLayer(
                name, description,
                [self.shapetypeCombo.currentData()])
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_VECTOR or
              isinstance(self.param, QgsProcessingParameterFeatureSource)):
            self.param = QgsProcessingParameterFeatureSource(
                name, description,
                [self.shapetypeCombo.currentData()])
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE or
              isinstance(self.param, QgsProcessingParameterMultipleLayers)):
            self.param = QgsProcessingParameterMultipleLayers(
                name, description,
                self.datatypeCombo.currentData())
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or
              isinstance(self.param, QgsProcessingParameterNumber)):
            try:
                self.param = QgsProcessingParameterNumber(name, description, QgsProcessingParameterNumber.Double,
                                                          self.defaultTextBox.text())
                vmin = self.minTextBox.text().strip()
                if not vmin == '':
                    self.param.setMinimum(float(vmin))
                vmax = self.maxTextBox.text().strip()
                if not vmax == '':
                    self.param.setMaximum(float(vmax))
            except:
                QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                    self.tr('Wrong or missing parameter values'))
                return
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_EXPRESSION or
              isinstance(self.param, QgsProcessingParameterExpression)):
            parent = self.parentCombo.currentData()
            self.param = QgsProcessingParameterExpression(name, description,
                                                          str(self.defaultEdit.expression()),
                                                          parent)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or
              isinstance(self.param, QgsProcessingParameterString)):
            self.param = QgsProcessingParameterString(name, description,
                                                      str(self.defaultTextBox.text()))
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_EXTENT or
              isinstance(self.param, QgsProcessingParameterExtent)):
            self.param = QgsProcessingParameterExtent(name, description)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or
              isinstance(self.param, QgsProcessingParameterFile)):
            isFolder = self.fileFolderCombo.currentIndex() == 1
            self.param = QgsProcessingParameterFile(name, description,
                                                    QgsProcessingParameterFile.Folder if isFolder else QgsProcessingParameterFile.File)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_POINT or
              isinstance(self.param, QgsProcessingParameterPoint)):
            self.param = QgsProcessingParameterPoint(name, description,
                                                     str(self.defaultTextBox.text()))
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_CRS or
              isinstance(self.param, QgsProcessingParameterCrs)):
            self.param = QgsProcessingParameterCrs(name, description, self.selector.crs().authid())
        if not self.requiredCheck.isChecked():
            self.param.setFlags(self.param.flags() | QgsProcessingParameterDefinition.FlagOptional)

        settings = QgsSettings()
        settings.setValue("/Processing/modelParametersDefinitionDialogGeometry", self.saveGeometry())

        QDialog.accept(self)

    def reject(self):
        self.param = None

        settings = QgsSettings()
        settings.setValue("/Processing/modelParametersDefinitionDialogGeometry", self.saveGeometry())

        QDialog.reject(self)

    @staticmethod
    def inputTooltip(input_type):
        tooltips = {
            ModelerParameterDefinitionDialog.PARAMETER_NUMBER: QCoreApplication.translate('Processing', 'A numeric parameter, including float or integer values.'),
            ModelerParameterDefinitionDialog.PARAMETER_RASTER: QCoreApplication.translate('Processing', 'A raster layer parameter.'),
            ModelerParameterDefinitionDialog.PARAMETER_TABLE: QCoreApplication.translate('Processing', 'A vector layer parameter, e.g. for algorithms which change layer styles, edit layers in place, or other operations which affect an entire layer.'),
            ModelerParameterDefinitionDialog.PARAMETER_VECTOR: QCoreApplication.translate('Processing', 'A vector feature parameter, e.g. for algorithms which operate on the features within a layer.'),
            ModelerParameterDefinitionDialog.PARAMETER_STRING: QCoreApplication.translate('Processing', 'A freeform string parameter.'),
            ModelerParameterDefinitionDialog.PARAMETER_EXPRESSION: QCoreApplication.translate('Processing', 'A QGIS expression parameter, which presents an expression builder widget to users.'),
            ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN: QCoreApplication.translate('Processing', 'A boolean parameter, for true/false values.'),
            ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD: QCoreApplication.translate('Processing', 'A vector field parameter, for selecting an existing field from a vector source.'),
            ModelerParameterDefinitionDialog.PARAMETER_EXTENT: QCoreApplication.translate('Processing', 'A map extent parameter.'),
            ModelerParameterDefinitionDialog.PARAMETER_FILE: QCoreApplication.translate('Processing', 'A file parameter, for use with non-map layer file sources.'),
            ModelerParameterDefinitionDialog.PARAMETER_POINT: QCoreApplication.translate('Processing', 'A geographic point parameter.'),
            ModelerParameterDefinitionDialog.PARAMETER_CRS: QCoreApplication.translate('Processing', 'A coordinate reference system (CRS) input parameter.'),
            ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE: QCoreApplication.translate('Processing', 'An input allowing selection of multiple sources, including multiple map layers or file sources.'),
            ModelerParameterDefinitionDialog.PARAMETER_BAND: QCoreApplication.translate('Processing', 'A raster band parameter, for selecting an existing band from a raster source.'),
            ModelerParameterDefinitionDialog.PARAMETER_MAP_LAYER: QCoreApplication.translate('Processing', 'A generic map layer parameter, which accepts either vector or raster layers.')
        }
        return tooltips[input_type]
Esempio n. 10
0
class ModelerParameterDefinitionDialog(QDialog):

    PARAMETER_NUMBER = 'Number'
    PARAMETER_RASTER = 'Raster layer'
    PARAMETER_TABLE = 'Table'
    PARAMETER_VECTOR = 'Vector layer'
    PARAMETER_STRING = 'String'
    PARAMETER_BOOLEAN = 'Boolean'
    PARAMETER_TABLE_FIELD = 'Table field'
    PARAMETER_TABLE_MULTIPLE_FIELD = 'Table multiple field'
    PARAMETER_EXTENT = 'Extent'
    PARAMETER_FILE = 'File'
    PARAMETER_POINT = 'Point'

    # To add
    PARAMETER_MULTIPLE = 'Multiple input'
    PARAMETER_FIXED_TABLE = 'Fixed table'

    paramTypes = [
        PARAMETER_BOOLEAN,
        PARAMETER_EXTENT,
        PARAMETER_FILE,
        PARAMETER_NUMBER,
        PARAMETER_RASTER,
        PARAMETER_STRING,
        PARAMETER_TABLE,
        PARAMETER_TABLE_FIELD,
        PARAMETER_TABLE_MULTIPLE_FIELD,
        PARAMETER_VECTOR,
        PARAMETER_POINT
    ]

    def __init__(self, alg, paramType=None, param=None):
        self.alg = alg
        self.paramType = paramType
        self.param = param
        QDialog.__init__(self)
        self.setModal(True)
        self.setupUi()

    def setupUi(self):
        self.setWindowTitle(self.tr('Parameter definition'))

        self.verticalLayout = QVBoxLayout(self)
        self.verticalLayout.setSpacing(40)
        self.verticalLayout.setMargin(20)

        self.horizontalLayoutName = QHBoxLayout(self)
        self.horizontalLayoutName.setSpacing(2)
        self.horizontalLayoutName.setMargin(0)
        self.label = QLabel(self.tr('Parameter name'))
        self.horizontalLayoutName.addWidget(self.label)
        self.nameTextBox = QLineEdit()
        self.horizontalLayoutName.addWidget(self.nameTextBox)
        self.verticalLayout.addLayout(self.horizontalLayoutName)

        self.horizontalLayoutRequired = QHBoxLayout(self)
        self.horizontalLayoutRequired.setSpacing(2)
        self.horizontalLayoutRequired.setMargin(0)
        self.horizontalLayoutParent = QHBoxLayout(self)
        self.horizontalLayoutParent.setSpacing(2)
        self.horizontalLayoutParent.setMargin(0)
        self.horizontalLayoutDefault = QHBoxLayout(self)
        self.horizontalLayoutDefault.setSpacing(2)
        self.horizontalLayoutDefault.setMargin(0)
        self.horizontalLayoutDatatype = QHBoxLayout(self)
        self.horizontalLayoutDatatype.setSpacing(2)
        self.horizontalLayoutDatatype.setMargin(0)

        if isinstance(self.param, Parameter):
            self.nameTextBox.setText(self.param.description)

        if self.paramType == ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN or \
           isinstance(self.param, ParameterBoolean):
            self.state = QCheckBox()
            self.state.setText(self.tr('Checked'))
            self.state.setChecked(False)
            if self.param is not None:
                self.state.setChecked(True if self.param.value else False)
            self.horizontalLayoutParent.addWidget(self.state)
            self.verticalLayout.addLayout(self.horizontalLayoutParent)
        elif self.paramType in (
            ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD,
                        ModelerParameterDefinitionDialog.PARAMETER_TABLE_MULTIPLE_FIELD)\
            or isinstance(self.param, (ParameterTableField,
                                       ParameterTableMultipleField)):
            self.horizontalLayoutParent.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            idx = 0
            for param in self.alg.inputs.values():
                if isinstance(param.param, (ParameterVector, ParameterTable)):
                    self.parentCombo.addItem(param.param.description, param.param.name)
                    if self.param is not None:
                        if self.param.parent == param.param.name:
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.horizontalLayoutParent.addWidget(self.parentCombo)
            self.verticalLayout.addLayout(self.horizontalLayoutParent)

            # add the datatype selector
            self.horizontalLayoutDatatype.addWidget(QLabel(self.tr('Allowed '
                                                                   'data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Any'), -1)
            self.datatypeCombo.addItem(self.tr('Number'), 0)
            self.datatypeCombo.addItem(self.tr('String'), 1)
            self.horizontalLayoutDatatype.addWidget(self.datatypeCombo)

            if self.param is not None and self.param.datatype is not None:
                # QComboBoxes indexes start at 0,
                # self.param.datatype start with -1 that is why I need to do +1
                datatype_index = self.param.datatype + 1
                self.datatypeCombo.setCurrentIndex(datatype_index)
            self.verticalLayout.addLayout(self.horizontalLayoutDatatype)

        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_VECTOR or \
                isinstance(self.param, ParameterVector):
            self.horizontalLayoutParent.addWidget(QLabel(self.tr('Shape type')))
            self.shapetypeCombo = QComboBox()
            self.shapetypeCombo.addItem(self.tr('Any'))
            self.shapetypeCombo.addItem(self.tr('Point'))
            self.shapetypeCombo.addItem(self.tr('Line'))
            self.shapetypeCombo.addItem(self.tr('Polygon'))
            if self.param is not None:
                self.shapetypeCombo.setCurrentIndex(self.param.shapetype[0] + 1)
            self.horizontalLayoutParent.addWidget(self.shapetypeCombo)
            self.verticalLayout.addLayout(self.horizontalLayoutParent)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE or \
                isinstance(self.param, ParameterMultipleInput):
            self.horizontalLayoutParent.addWidget(QLabel(self.tr('Data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Vector (any)'))
            self.datatypeCombo.addItem(self.tr('Vector (point)'))
            self.datatypeCombo.addItem(self.tr('Vector (line)'))
            self.datatypeCombo.addItem(self.tr('Vector (polygon)'))
            self.datatypeCombo.addItem(self.tr('Raster'))
            self.datatypeCombo.addItem(self.tr('Table'))
            if self.param is not None:
                self.datatypeCombo.setCurrentIndex(self.param.datatype + 1)
            self.horizontalLayoutParent.addWidget(self.datatypeCombo)
            self.verticalLayout.addLayout(self.horizontalLayoutParent)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or \
                isinstance(self.param, ParameterNumber):
            self.horizontalLayoutParent.addWidget(QLabel(self.tr('Min/Max values')))
            self.minTextBox = QLineEdit()
            self.maxTextBox = QLineEdit()
            if self.param is not None:
                self.minTextBox.setText(unicode(self.param.min))
                self.maxTextBox.setText(unicode(self.param.max))
            self.horizontalLayoutParent.addWidget(self.minTextBox)
            self.horizontalLayoutParent.addWidget(self.maxTextBox)
            self.verticalLayout.addLayout(self.horizontalLayoutParent)
            self.horizontalLayoutDefault.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setText(self.tr('0'))
            if self.param is not None:
                default = self.param.default
                if self.param.isInteger:
                    default = int(math.floor(default))
                self.defaultTextBox.setText(unicode(default))
            self.horizontalLayoutDefault.addWidget(self.defaultTextBox)
            self.verticalLayout.addLayout(self.horizontalLayoutDefault)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or \
                isinstance(self.param, ParameterString):
            self.horizontalLayoutParent.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.default)
            self.horizontalLayoutParent.addWidget(self.defaultTextBox)
            self.verticalLayout.addLayout(self.horizontalLayoutParent)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or \
                isinstance(self.param, ParameterFile):
            self.horizontalLayoutParent.addWidget(QLabel(self.tr('Type')))
            self.fileFolderCombo = QComboBox()
            self.fileFolderCombo.addItem(self.tr('File'))
            self.fileFolderCombo.addItem(self.tr('Folder'))
            if self.param is not None:
                self.fileFolderCombo.setCurrentIndex(
                    1 if self.param.isFolder else 0)
            self.horizontalLayoutParent.addWidget(self.fileFolderCombo)
            self.verticalLayout.addLayout(self.horizontalLayoutParent)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_POINT or \
                isinstance(self.param, ParameterPoint):
            self.horizontalLayoutParent.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.default)
            self.horizontalLayoutParent.addWidget(self.defaultTextBox)
            self.verticalLayout.addLayout(self.horizontalLayoutParent)

        self.horizontalLayoutRequired.addWidget(QLabel(self.tr('Required')))
        self.yesNoCombo = QComboBox()
        self.yesNoCombo.addItem(self.tr('Yes'))
        self.yesNoCombo.addItem(self.tr('No'))
        self.horizontalLayoutRequired.addWidget(self.yesNoCombo)
        if self.param is not None:
            self.yesNoCombo.setCurrentIndex(
                1 if self.param.optional else 0)
        self.verticalLayout.addLayout(self.horizontalLayoutRequired)

        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Ok)
        self.buttonBox.setObjectName('buttonBox')
        self.buttonBox.accepted.connect(self.okPressed)
        self.buttonBox.rejected.connect(self.cancelPressed)

        self.verticalLayout.addWidget(self.buttonBox)

        self.setLayout(self.verticalLayout)

    def okPressed(self):
        description = unicode(self.nameTextBox.text())
        if description.strip() == '':
            QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                self.tr('Invalid parameter name'))
            return
        if self.param is None:
            validChars = \
                'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
            safeName = ''.join(c for c in description if c in validChars)
            name = safeName.lower()
            i = 2
            while name in self.alg.inputs:
                name = safeName.lower() + str(i)
        else:
            name = self.param.name
        if self.paramType \
                == ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN \
                or isinstance(self.param, ParameterBoolean):
            self.param = ParameterBoolean(name, description,
                                          self.state.isChecked())
        elif self.paramType in (
                ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD,
                ModelerParameterDefinitionDialog.PARAMETER_TABLE_MULTIPLE_FIELD)\
            or isinstance(self.param, (ParameterTableField,
                                       ParameterTableMultipleField)):
            if self.parentCombo.currentIndex() < 0:
                QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                    self.tr('Wrong or missing parameter values'))
                return
            parent = self.parentCombo.itemData(self.parentCombo.currentIndex())
            datatype = self.datatypeCombo.itemData(
                self.datatypeCombo.currentIndex())

            if (self.paramType ==
                    ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD or
                    isinstance(self.param, ParameterTableField)):
                self.param = ParameterTableField(
                    name, description, parent, datatype)
            else:
                self.param = ParameterTableMultipleField(
                    name, description, parent, datatype)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_RASTER or \
                isinstance(self.param, ParameterRaster):
            self.param = ParameterRaster(
                name, description,
                self.yesNoCombo.currentIndex() == 1)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_TABLE or \
                isinstance(self.param, ParameterTable):
            self.param = ParameterTable(
                name, description,
                self.yesNoCombo.currentIndex() == 1)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_VECTOR or \
                isinstance(self.param, ParameterVector):
            self.param = ParameterVector(
                name, description,
                [self.shapetypeCombo.currentIndex() - 1],
                self.yesNoCombo.currentIndex() == 1)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE or \
                isinstance(self.param, ParameterMultipleInput):
            self.param = ParameterMultipleInput(
                name, description,
                self.datatypeCombo.currentIndex() - 1,
                self.yesNoCombo.currentIndex() == 1)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or \
                isinstance(self.param, ParameterNumber):
            try:
                vmin = unicode(self.minTextBox.text()).strip()
                if vmin == '':
                    vmin = None
                else:
                    vmin = float(vmin)
                vmax = unicode(self.maxTextBox.text()).strip()
                if vmax == '':
                    vmax = None
                else:
                    vmax = float(vmax)
                self.param = ParameterNumber(name, description, vmin, vmax,
                                             unicode(self.defaultTextBox.text()))
            except:
                QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                    self.tr('Wrong or missing parameter values'))
                return
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or \
                isinstance(self.param, ParameterString):
            self.param = ParameterString(name, description,
                                         unicode(self.defaultTextBox.text()))
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_EXTENT or \
                isinstance(self.param, ParameterExtent):
            self.param = ParameterExtent(name, description)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or \
                isinstance(self.param, ParameterFile):
            isFolder = self.fileFolderCombo.currentIndex() == 1
            self.param = ParameterFile(name, description, isFolder=isFolder)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_POINT or \
                isinstance(self.param, ParameterPoint):
            self.param = ParameterPoint(name, description,
                                        unicode(self.defaultTextBox.text()))
        self.param.optional = self.yesNoCombo.currentIndex() == 1
        self.close()

    def cancelPressed(self):
        self.param = None
        self.close()
Esempio n. 11
0
class ModelerParameterDefinitionDialog(QDialog):
    PARAMETER_NUMBER = 'Number'
    PARAMETER_RASTER = 'Raster Layer'
    PARAMETER_TABLE = 'Vector Layer'
    PARAMETER_VECTOR = 'Feature Source'
    PARAMETER_STRING = 'String'
    PARAMETER_EXPRESSION = 'Expression'
    PARAMETER_BOOLEAN = 'Boolean'
    PARAMETER_TABLE_FIELD = 'Layer Field'
    PARAMETER_EXTENT = 'Extent'
    PARAMETER_FILE = 'File'
    PARAMETER_POINT = 'Point'
    PARAMETER_CRS = 'CRS'
    PARAMETER_MULTIPLE = 'Multiple Input'
    PARAMETER_BAND = 'Raster Band'
    PARAMETER_MAP_LAYER = 'Map Layer'

    paramTypes = [
        PARAMETER_BOOLEAN, PARAMETER_EXTENT, PARAMETER_FILE, PARAMETER_NUMBER,
        PARAMETER_RASTER, PARAMETER_STRING, PARAMETER_EXPRESSION,
        PARAMETER_MAP_LAYER, PARAMETER_TABLE, PARAMETER_TABLE_FIELD,
        PARAMETER_VECTOR, PARAMETER_POINT, PARAMETER_CRS, PARAMETER_MULTIPLE,
        PARAMETER_BAND
    ]

    def __init__(self, alg, paramType=None, param=None):
        self.alg = alg
        self.paramType = paramType
        self.param = param
        QDialog.__init__(self)
        self.setModal(True)
        self.setupUi()
        settings = QgsSettings()
        self.restoreGeometry(
            settings.value(
                "/Processing/modelParametersDefinitionDialogGeometry",
                QByteArray()))

    def closeEvent(self, event):
        settings = QgsSettings()
        settings.setValue(
            "/Processing/modelParametersDefinitionDialogGeometry",
            self.saveGeometry())
        super(ModelerParameterDefinitionDialog, self).closeEvent(event)

    def setupUi(self):
        self.setWindowTitle(self.tr('Parameter Definition'))
        self.setMinimumWidth(300)

        self.verticalLayout = QVBoxLayout(self)
        self.verticalLayout.setMargin(20)

        self.label = QLabel(self.tr('Parameter name'))
        self.verticalLayout.addWidget(self.label)
        self.nameTextBox = QLineEdit()
        self.verticalLayout.addWidget(self.nameTextBox)

        if isinstance(self.param, QgsProcessingParameterDefinition):
            self.nameTextBox.setText(self.param.description())

        if self.paramType == ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN or \
                isinstance(self.param, QgsProcessingParameterBoolean):
            self.state = QCheckBox()
            self.state.setText(self.tr('Checked'))
            self.state.setChecked(False)
            if self.param is not None:
                self.state.setChecked(bool(self.param.defaultValue()))
            self.verticalLayout.addWidget(self.state)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD or \
                isinstance(self.param, QgsProcessingParameterField):
            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            idx = 0
            for param in list(self.alg.parameterComponents().values()):
                definition = self.alg.parameterDefinition(
                    param.parameterName())
                if isinstance(definition, (QgsProcessingParameterFeatureSource,
                                           QgsProcessingParameterVectorLayer)):
                    self.parentCombo.addItem(definition.description(),
                                             definition.name())
                    if self.param is not None:
                        if self.param.parentLayerParameterName(
                        ) == definition.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)

            # add the datatype selector
            self.verticalLayout.addWidget(QLabel(self.tr('Allowed data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Any'), -1)
            self.datatypeCombo.addItem(self.tr('Number'), 0)
            self.datatypeCombo.addItem(self.tr('String'), 1)
            self.datatypeCombo.addItem(self.tr('Date/time'), 2)
            self.verticalLayout.addWidget(self.datatypeCombo)

            if self.param is not None and self.param.dataType() is not None:
                # QComboBoxes indexes start at 0,
                # self.param.datatype start with -1 that is why I need to do +1
                datatypeIndex = self.param.dataType() + 1
                self.datatypeCombo.setCurrentIndex(datatypeIndex)

            self.multipleCheck = QCheckBox()
            self.multipleCheck.setText(self.tr('Accept multiple fields'))
            self.multipleCheck.setChecked(False)
            if self.param is not None:
                self.multipleCheck.setChecked(self.param.allowMultiple())
            self.verticalLayout.addWidget(self.multipleCheck)

            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setToolTip(
                self.
                tr('Default field name, or ; separated list of field names for multiple field parameters'
                   ))
            if self.param is not None:
                default = self.param.defaultValue()
                if default is not None:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)

        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_BAND or \
                isinstance(self.param, QgsProcessingParameterBand):
            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            idx = 0
            for param in list(self.alg.parameterComponents().values()):
                definition = self.alg.parameterDefinition(
                    param.parameterName())
                if isinstance(definition, (QgsProcessingParameterRasterLayer)):
                    self.parentCombo.addItem(definition.description(),
                                             definition.name())
                    if self.param is not None:
                        if self.param.parentLayerParameterName(
                        ) == definition.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)
        elif (self.paramType
              in (ModelerParameterDefinitionDialog.PARAMETER_VECTOR,
                  ModelerParameterDefinitionDialog.PARAMETER_TABLE)
              or isinstance(self.param, (QgsProcessingParameterFeatureSource,
                                         QgsProcessingParameterVectorLayer))):
            self.verticalLayout.addWidget(QLabel(self.tr('Geometry type')))
            self.shapetypeCombo = QComboBox()
            self.shapetypeCombo.addItem(self.tr('Geometry Not Required'),
                                        QgsProcessing.TypeVector)
            self.shapetypeCombo.addItem(self.tr('Point'),
                                        QgsProcessing.TypeVectorPoint)
            self.shapetypeCombo.addItem(self.tr('Line'),
                                        QgsProcessing.TypeVectorLine)
            self.shapetypeCombo.addItem(self.tr('Polygon'),
                                        QgsProcessing.TypeVectorPolygon)
            self.shapetypeCombo.addItem(self.tr('Any Geometry Type'),
                                        QgsProcessing.TypeVectorAnyGeometry)
            if self.param is not None:
                self.shapetypeCombo.setCurrentIndex(
                    self.shapetypeCombo.findData(self.param.dataTypes()[0]))
            self.verticalLayout.addWidget(self.shapetypeCombo)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE
              or isinstance(self.param, QgsProcessingParameterMultipleLayers)):
            self.verticalLayout.addWidget(QLabel(self.tr('Data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Any Map Layer'),
                                       QgsProcessing.TypeMapLayer)
            self.datatypeCombo.addItem(
                self.tr('Vector (No Geometry Required)'),
                QgsProcessing.TypeVector)
            self.datatypeCombo.addItem(self.tr('Vector (Point)'),
                                       QgsProcessing.TypeVectorPoint)
            self.datatypeCombo.addItem(self.tr('Vector (Line)'),
                                       QgsProcessing.TypeVectorLine)
            self.datatypeCombo.addItem(self.tr('Vector (Polygon)'),
                                       QgsProcessing.TypeVectorPolygon)
            self.datatypeCombo.addItem(self.tr('Vector (Any Geometry Type)'),
                                       QgsProcessing.TypeVectorAnyGeometry)
            self.datatypeCombo.addItem(self.tr('Raster'),
                                       QgsProcessing.TypeRaster)
            self.datatypeCombo.addItem(self.tr('File'), QgsProcessing.TypeFile)
            if self.param is not None:
                self.datatypeCombo.setCurrentIndex(
                    self.datatypeCombo.findData(self.param.layerType()))
            self.verticalLayout.addWidget(self.datatypeCombo)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_NUMBER
              or isinstance(self.param, QgsProcessingParameterNumber)):
            self.verticalLayout.addWidget(QLabel(self.tr('Min value')))
            self.minTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.minTextBox)
            self.verticalLayout.addWidget(QLabel(self.tr('Max value')))
            self.maxTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.maxTextBox)
            if self.param is not None:
                self.minTextBox.setText(str(self.param.minimum()))
                self.maxTextBox.setText(str(self.param.maximum()))
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setText(self.tr('0'))
            if self.param is not None:
                default = self.param.defaultValue()
                if self.param.dataType(
                ) == QgsProcessingParameterNumber.Integer:
                    default = int(math.floor(default))
                if default:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_EXPRESSION
              or isinstance(self.param, QgsProcessingParameterExpression)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultEdit = QgsExpressionLineEdit()
            if self.param is not None:
                self.defaultEdit.setExpression(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultEdit)

            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            self.parentCombo.addItem(self.tr("None"), None)
            idx = 1
            for param in list(self.alg.parameterComponents().values()):
                definition = self.alg.parameterDefinition(
                    param.parameterName())
                if isinstance(definition, (QgsProcessingParameterFeatureSource,
                                           QgsProcessingParameterVectorLayer)):
                    self.parentCombo.addItem(definition.description(),
                                             definition.name())
                    if self.param is not None:
                        if self.param.parentLayerParameterName(
                        ) == definition.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_STRING
              or isinstance(self.param, QgsProcessingParameterString)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE
              or isinstance(self.param, QgsProcessingParameterFile)):
            self.verticalLayout.addWidget(QLabel(self.tr('Type')))
            self.fileFolderCombo = QComboBox()
            self.fileFolderCombo.addItem(self.tr('File'))
            self.fileFolderCombo.addItem(self.tr('Folder'))
            if self.param is not None:
                self.fileFolderCombo.setCurrentIndex(1 if self.param.behavior(
                ) == QgsProcessingParameterFile.Folder else 0)
            self.verticalLayout.addWidget(self.fileFolderCombo)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_POINT
              or isinstance(self.param, QgsProcessingParameterPoint)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_CRS
              or isinstance(self.param, QgsProcessingParameterCrs)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.selector = QgsProjectionSelectionWidget()
            if self.param is not None:
                self.selector.setCrs(
                    QgsCoordinateReferenceSystem(self.param.defaultValue()))
            else:
                self.selector.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
            self.verticalLayout.addWidget(self.selector)

        self.verticalLayout.addSpacing(20)
        self.requiredCheck = QCheckBox()
        self.requiredCheck.setText(self.tr('Mandatory'))
        self.requiredCheck.setChecked(True)
        if self.param is not None:
            self.requiredCheck.setChecked(
                not self.param.flags()
                & QgsProcessingParameterDefinition.FlagOptional)
        self.verticalLayout.addWidget(self.requiredCheck)

        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Ok)
        self.buttonBox.setObjectName('buttonBox')
        self.buttonBox.accepted.connect(self.accept)
        self.buttonBox.rejected.connect(self.reject)

        self.verticalLayout.addStretch()
        self.verticalLayout.addWidget(self.buttonBox)

        self.setLayout(self.verticalLayout)

    def accept(self):
        description = str(self.nameTextBox.text())
        if description.strip() == '':
            QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                self.tr('Invalid parameter name'))
            return
        if self.param is None:
            validChars = \
                'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
            safeName = ''.join(c for c in description if c in validChars)
            name = safeName.lower()
            i = 2
            while self.alg.parameterDefinition(name):
                name = safeName.lower() + str(i)
                i += 1
        else:
            name = self.param.name()
        if (self.paramType
                == ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN
                or isinstance(self.param, QgsProcessingParameterBoolean)):
            self.param = QgsProcessingParameterBoolean(name, description,
                                                       self.state.isChecked())
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD
              or isinstance(self.param, QgsProcessingParameterField)):
            if self.parentCombo.currentIndex() < 0:
                QMessageBox.warning(
                    self, self.tr('Unable to define parameter'),
                    self.tr('Wrong or missing parameter values'))
                return
            parent = self.parentCombo.currentData()
            datatype = self.datatypeCombo.currentData()
            default = self.defaultTextBox.text()
            if not default:
                default = None
            self.param = QgsProcessingParameterField(
                name,
                description,
                defaultValue=default,
                parentLayerParameterName=parent,
                type=datatype,
                allowMultiple=self.multipleCheck.isChecked())
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_BAND
              or isinstance(self.param, QgsProcessingParameterBand)):
            if self.parentCombo.currentIndex() < 0:
                QMessageBox.warning(
                    self, self.tr('Unable to define parameter'),
                    self.tr('Wrong or missing parameter values'))
                return
            parent = self.parentCombo.currentData()
            self.param = QgsProcessingParameterBand(name, description, None,
                                                    parent)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_MAP_LAYER
              or isinstance(self.param, QgsProcessingParameterMapLayer)):
            self.param = QgsProcessingParameterMapLayer(name, description)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_RASTER
              or isinstance(self.param, QgsProcessingParameterRasterLayer)):
            self.param = QgsProcessingParameterRasterLayer(name, description)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_TABLE
              or isinstance(self.param, QgsProcessingParameterVectorLayer)):
            self.param = QgsProcessingParameterVectorLayer(
                name, description, [self.shapetypeCombo.currentData()])
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_VECTOR
              or isinstance(self.param, QgsProcessingParameterFeatureSource)):
            self.param = QgsProcessingParameterFeatureSource(
                name, description, [self.shapetypeCombo.currentData()])
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE
              or isinstance(self.param, QgsProcessingParameterMultipleLayers)):
            self.param = QgsProcessingParameterMultipleLayers(
                name, description, self.datatypeCombo.currentData())
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_NUMBER
              or isinstance(self.param, QgsProcessingParameterNumber)):
            try:
                self.param = QgsProcessingParameterNumber(
                    name, description, QgsProcessingParameterNumber.Double,
                    self.defaultTextBox.text())
                vmin = self.minTextBox.text().strip()
                if not vmin == '':
                    self.param.setMinimum(float(vmin))
                vmax = self.maxTextBox.text().strip()
                if not vmax == '':
                    self.param.setMaximum(float(vmax))
            except:
                QMessageBox.warning(
                    self, self.tr('Unable to define parameter'),
                    self.tr('Wrong or missing parameter values'))
                return
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_EXPRESSION
              or isinstance(self.param, QgsProcessingParameterExpression)):
            parent = self.parentCombo.currentData()
            self.param = QgsProcessingParameterExpression(
                name, description, str(self.defaultEdit.expression()), parent)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_STRING
              or isinstance(self.param, QgsProcessingParameterString)):
            self.param = QgsProcessingParameterString(
                name, description, str(self.defaultTextBox.text()))
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_EXTENT
              or isinstance(self.param, QgsProcessingParameterExtent)):
            self.param = QgsProcessingParameterExtent(name, description)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE
              or isinstance(self.param, QgsProcessingParameterFile)):
            isFolder = self.fileFolderCombo.currentIndex() == 1
            self.param = QgsProcessingParameterFile(
                name, description, QgsProcessingParameterFile.Folder
                if isFolder else QgsProcessingParameterFile.File)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_POINT
              or isinstance(self.param, QgsProcessingParameterPoint)):
            self.param = QgsProcessingParameterPoint(
                name, description, str(self.defaultTextBox.text()))
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_CRS
              or isinstance(self.param, QgsProcessingParameterCrs)):
            self.param = QgsProcessingParameterCrs(
                name, description,
                self.selector.crs().authid())
        if not self.requiredCheck.isChecked():
            self.param.setFlags(
                self.param.flags()
                | QgsProcessingParameterDefinition.FlagOptional)

        settings = QgsSettings()
        settings.setValue(
            "/Processing/modelParametersDefinitionDialogGeometry",
            self.saveGeometry())

        QDialog.accept(self)

    def reject(self):
        self.param = None

        settings = QgsSettings()
        settings.setValue(
            "/Processing/modelParametersDefinitionDialogGeometry",
            self.saveGeometry())

        QDialog.reject(self)
class ConfigDialog(QDialog):

    versioIcon = QIcon(
        os.path.dirname(__file__) + "/../../ui/resources/geogig-16.png")

    def __init__(self):
        QDialog.__init__(self)
        self.setupUi()
        if hasattr(self.searchBox, 'setPlaceholderText'):
            self.searchBox.setPlaceholderText(self.tr("Search..."))
        self.searchBox.textChanged.connect(self.filterTree)
        self.fillTree()

    def setupUi(self):
        self.resize(640, 450)

        self.verticalLayout = QVBoxLayout()
        self.verticalLayout.setSpacing(2)
        self.verticalLayout.setMargin(0)
        self.searchBox = QgsFilterLineEdit(self)
        self.verticalLayout.addWidget(self.searchBox)
        self.tree = QTreeWidget(self)
        self.tree.setAlternatingRowColors(True)
        self.verticalLayout.addWidget(self.tree)
        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Ok)
        self.verticalLayout.addWidget(self.buttonBox)

        self.setWindowTitle("Configuration options")
        self.searchBox.setToolTip("Enter setting name to filter list")
        self.tree.headerItem().setText(0, "Setting")
        self.tree.headerItem().setText(1, "Value")

        self.buttonBox.accepted.connect(self.accept)
        self.buttonBox.rejected.connect(self.reject)

        self.setLayout(self.verticalLayout)

    def filterTree(self):
        text = str(self.searchBox.text())
        for i in range(self.tree.topLevelItemCount()):
            item = self.tree.topLevelItem(i)
            visible = False
            for j in range(item.childCount()):
                subitem = item.child(j)
                itemText = subitem.text(0)
            if (text.strip() == ""):
                subitem.setHidden(False)
                visible = True
            else:
                hidden = text not in itemText
                item.setHidden(hidden)
                visible = visible or not hidden
            item.setHidden(not visible)
            item.setExpanded(visible and text.strip() != "")

    def fillTree(self):
        self.items = {}
        self.tree.clear()

        generalItem = self._getItem(config.GENERAL, self.versioIcon,
                                    config.generalParams)
        self.tree.addTopLevelItem(generalItem)
        self.tree.setColumnWidth(0, 400)

    def _getItem(self, name, icon, params):
        item = QTreeWidgetItem()
        item.setText(0, name)
        item.setIcon(0, icon)
        for param in params:
            paramName = "/GeoGig/Settings/" + name + "/" + param[0]
            subItem = TreeSettingItem(self.tree, item, paramName, *param[1:])
            item.addChild(subItem)
        return item

    def accept(self):
        iterator = QTreeWidgetItemIterator(self.tree)
        value = iterator.value()
        while value:
            if hasattr(value, 'checkValue'):
                if value.checkValue():
                    value.setBackgroundColor(1, Qt.white)
                else:
                    value.setBackgroundColor(1, Qt.yellow)
                    return

            iterator += 1
            value = iterator.value()
        iterator = QTreeWidgetItemIterator(self.tree)
        value = iterator.value()
        while value:
            if hasattr(value, 'saveValue'):
                value.saveValue()
            iterator += 1
            value = iterator.value()
        QDialog.accept(self)
Esempio n. 13
0
class Ui_DistroMap(object):
    def setupUi(self, DistroMap):
        DistroMap.setObjectName("DistroMap")
        DistroMap.resize(439, 657)
        self.gridLayout_3 = QGridLayout(DistroMap)
        self.gridLayout_3.setObjectName("gridLayout_3")
        self.scrollArea = QScrollArea(DistroMap)
        self.scrollArea.setWidgetResizable(True)
        self.scrollArea.setObjectName("scrollArea")
        self.scrollAreaWidgetContents = QWidget()
        self.scrollAreaWidgetContents.setGeometry(QRect(0, 0, 419, 573))
        self.scrollAreaWidgetContents.setObjectName("scrollAreaWidgetContents")
        self.gridLayout_6 = QGridLayout(self.scrollAreaWidgetContents)
        self.gridLayout_6.setObjectName("gridLayout_6")
        self.verticalLayout = QVBoxLayout()
        self.verticalLayout.setObjectName("verticalLayout")
        self.label_5 = QLabel(self.scrollAreaWidgetContents)
        self.label_5.setObjectName("label_5")
        self.verticalLayout.addWidget(self.label_5)
        self.comboLocalities = QComboBox(self.scrollAreaWidgetContents)
        self.comboLocalities.setObjectName("comboLocalities")
        self.verticalLayout.addWidget(self.comboLocalities)
        self.gridLayout_6.addLayout(self.verticalLayout, 1, 0, 1, 1)
        self.horizontalLayout_6 = QHBoxLayout()
        self.horizontalLayout_6.setObjectName("horizontalLayout_6")
        self.verticalLayout_13 = QVBoxLayout()
        self.verticalLayout_13.setObjectName("verticalLayout_13")
        self.label_19 = QLabel(self.scrollAreaWidgetContents)
        self.label_19.setObjectName("label_19")
        self.verticalLayout_13.addWidget(self.label_19)
        self.horizontalLayout_3 = QHBoxLayout()
        self.horizontalLayout_3.setObjectName("horizontalLayout_3")
        self.spnOutWidth = QSpinBox(self.scrollAreaWidgetContents)
        self.spnOutWidth.setMaximum(999999)
        self.spnOutWidth.setProperty("value", 325)
        self.spnOutWidth.setObjectName("spnOutWidth")
        self.horizontalLayout_3.addWidget(self.spnOutWidth)
        self.label_20 = QLabel(self.scrollAreaWidgetContents)
        self.label_20.setAlignment(Qt.AlignCenter)
        self.label_20.setObjectName("label_20")
        self.horizontalLayout_3.addWidget(self.label_20)
        self.spnOutHeight = QSpinBox(self.scrollAreaWidgetContents)
        self.spnOutHeight.setMaximum(999999)
        self.spnOutHeight.setProperty("value", 299)
        self.spnOutHeight.setObjectName("spnOutHeight")
        self.horizontalLayout_3.addWidget(self.spnOutHeight)
        self.verticalLayout_13.addLayout(self.horizontalLayout_3)
        self.horizontalLayout_6.addLayout(self.verticalLayout_13)
        self.horizontalLayout_5 = QHBoxLayout()
        self.horizontalLayout_5.setObjectName("horizontalLayout_5")
        self.verticalLayout_14 = QVBoxLayout()
        self.verticalLayout_14.setObjectName("verticalLayout_14")
        self.label_21 = QLabel(self.scrollAreaWidgetContents)
        sizePolicy = QSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(self.label_21.sizePolicy().hasHeightForWidth())
        self.label_21.setSizePolicy(sizePolicy)
        self.label_21.setAlignment(Qt.AlignRight|Qt.AlignTrailing|Qt.AlignVCenter)
        self.label_21.setObjectName("label_21")
        self.verticalLayout_14.addWidget(self.label_21)
        self.horizontalLayout_4 = QHBoxLayout()
        self.horizontalLayout_4.setObjectName("horizontalLayout_4")
        spacerItem = QSpacerItem(40, 20, QSizePolicy.Expanding, QSizePolicy.Minimum)
        self.horizontalLayout_4.addItem(spacerItem)
        self.btnColour = QPushButton(self.scrollAreaWidgetContents)
        sizePolicy = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(self.btnColour.sizePolicy().hasHeightForWidth())
        self.btnColour.setSizePolicy(sizePolicy)
        self.btnColour.setObjectName("btnColour")
        self.horizontalLayout_4.addWidget(self.btnColour)
        self.verticalLayout_14.addLayout(self.horizontalLayout_4)
        self.horizontalLayout_5.addLayout(self.verticalLayout_14)
        self.frmColour = QFrame(self.scrollAreaWidgetContents)
        sizePolicy = QSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(self.frmColour.sizePolicy().hasHeightForWidth())
        self.frmColour.setSizePolicy(sizePolicy)
        self.frmColour.setMinimumSize(QSize(45, 45))
        self.frmColour.setSizeIncrement(QSize(1, 1))
        self.frmColour.setBaseSize(QSize(0, 0))
        self.frmColour.setFrameShape(QFrame.StyledPanel)
        self.frmColour.setFrameShadow(QFrame.Raised)
        self.frmColour.setObjectName("frmColour")
        self.horizontalLayout_5.addWidget(self.frmColour)
        self.horizontalLayout_6.addLayout(self.horizontalLayout_5)
        self.gridLayout_6.addLayout(self.horizontalLayout_6, 4, 0, 1, 1)
        self.verticalLayout_2 = QVBoxLayout()
        self.verticalLayout_2.setObjectName("verticalLayout_2")
        self.label_6 = QLabel(self.scrollAreaWidgetContents)
        self.label_6.setObjectName("label_6")
        self.verticalLayout_2.addWidget(self.label_6)
        self.comboTaxonField = QComboBox(self.scrollAreaWidgetContents)
        self.comboTaxonField.setObjectName("comboTaxonField")
        self.verticalLayout_2.addWidget(self.comboTaxonField)
        self.gridLayout_6.addLayout(self.verticalLayout_2, 2, 0, 1, 1)
        self.verticalLayout_5 = QVBoxLayout()
        self.verticalLayout_5.setObjectName("verticalLayout_5")
        self.label_9 = QLabel(self.scrollAreaWidgetContents)
        self.label_9.setObjectName("label_9")
        self.verticalLayout_5.addWidget(self.label_9)
        self.horizontalLayout = QHBoxLayout()
        self.horizontalLayout.setObjectName("horizontalLayout")
        self.leOutDir = QLineEdit(self.scrollAreaWidgetContents)
        self.leOutDir.setPlaceholderText("")
        self.leOutDir.setObjectName("leOutDir")
        self.horizontalLayout.addWidget(self.leOutDir)
        self.btnBrowse = QPushButton(self.scrollAreaWidgetContents)
        self.btnBrowse.setObjectName("btnBrowse")
        self.horizontalLayout.addWidget(self.btnBrowse)
        self.verticalLayout_5.addLayout(self.horizontalLayout)
        self.gridLayout_6.addLayout(self.verticalLayout_5, 5, 0, 1, 1)
        self.verticalLayout_6 = QVBoxLayout()
        self.verticalLayout_6.setObjectName("verticalLayout_6")
        self.label = QLabel(self.scrollAreaWidgetContents)
        self.label.setObjectName("label")
        self.verticalLayout_6.addWidget(self.label)
        self.gridLayout = QGridLayout()
        self.gridLayout.setObjectName("gridLayout")
        self.label_2 = QLabel(self.scrollAreaWidgetContents)
        self.label_2.setObjectName("label_2")
        self.gridLayout.addWidget(self.label_2, 0, 0, 1, 1)
        self.comboSecondary = QComboBox(self.scrollAreaWidgetContents)
        self.comboSecondary.setObjectName("comboSecondary")
        self.gridLayout.addWidget(self.comboSecondary, 1, 1, 1, 1)
        self.comboSurface = QComboBox(self.scrollAreaWidgetContents)
        self.comboSurface.setObjectName("comboSurface")
        self.gridLayout.addWidget(self.comboSurface, 2, 1, 1, 1)
        self.label_3 = QLabel(self.scrollAreaWidgetContents)
        self.label_3.setObjectName("label_3")
        self.gridLayout.addWidget(self.label_3, 1, 0, 1, 1)
        self.label_4 = QLabel(self.scrollAreaWidgetContents)
        self.label_4.setObjectName("label_4")
        self.gridLayout.addWidget(self.label_4, 2, 0, 1, 1)
        self.comboBase = QComboBox(self.scrollAreaWidgetContents)
        self.comboBase.setObjectName("comboBase")
        self.gridLayout.addWidget(self.comboBase, 0, 1, 1, 1)
        self.gridLayout.setColumnStretch(0, 1)
        self.gridLayout.setColumnStretch(1, 3)
        self.verticalLayout_6.addLayout(self.gridLayout)
        self.gridLayout_6.addLayout(self.verticalLayout_6, 0, 0, 1, 1)
        self.verticalLayout_3 = QVBoxLayout()
        self.verticalLayout_3.setObjectName("verticalLayout_3")
        self.label_7 = QLabel(self.scrollAreaWidgetContents)
        self.label_7.setObjectName("label_7")
        self.verticalLayout_3.addWidget(self.label_7)
        self.comboGrid = QComboBox(self.scrollAreaWidgetContents)
        self.comboGrid.setObjectName("comboGrid")
        self.verticalLayout_3.addWidget(self.comboGrid)
        self.verticalLayout_4 = QVBoxLayout()
        self.verticalLayout_4.setObjectName("verticalLayout_4")
        self.label_8 = QLabel(self.scrollAreaWidgetContents)
        self.label_8.setObjectName("label_8")
        self.verticalLayout_4.addWidget(self.label_8)
        self.gridLayout_2 = QGridLayout()
        self.gridLayout_2.setObjectName("gridLayout_2")
        self.leMaxY = QLineEdit(self.scrollAreaWidgetContents)
        self.leMaxY.setObjectName("leMaxY")
        self.gridLayout_2.addWidget(self.leMaxY, 0, 1, 1, 1)
        self.leMinX = QLineEdit(self.scrollAreaWidgetContents)
        self.leMinX.setObjectName("leMinX")
        self.gridLayout_2.addWidget(self.leMinX, 1, 0, 1, 1)
        self.leMaxX = QLineEdit(self.scrollAreaWidgetContents)
        self.leMaxX.setObjectName("leMaxX")
        self.gridLayout_2.addWidget(self.leMaxX, 1, 2, 1, 1)
        self.leMinY = QLineEdit(self.scrollAreaWidgetContents)
        self.leMinY.setObjectName("leMinY")
        self.gridLayout_2.addWidget(self.leMinY, 2, 1, 1, 1)
        self.btnExtent = QPushButton(self.scrollAreaWidgetContents)
        self.btnExtent.setObjectName("btnExtent")
        self.gridLayout_2.addWidget(self.btnExtent, 1, 1, 1, 1)
        self.verticalLayout_4.addLayout(self.gridLayout_2)
        self.verticalLayout_3.addLayout(self.verticalLayout_4)
        self.gridLayout_6.addLayout(self.verticalLayout_3, 3, 0, 1, 1)
        self.scrollArea.setWidget(self.scrollAreaWidgetContents)
        self.gridLayout_3.addWidget(self.scrollArea, 0, 0, 1, 1)
        self.buttonBox = QDialogButtonBox(DistroMap)
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel|QDialogButtonBox.Ok)
        self.buttonBox.setObjectName("buttonBox")
        self.gridLayout_3.addWidget(self.buttonBox, 2, 0, 1, 1)
        self.progressBar = QProgressBar(DistroMap)
        self.progressBar.setProperty("value", 0)
        self.progressBar.setObjectName("progressBar")
        self.gridLayout_3.addWidget(self.progressBar, 1, 0, 1, 1)

        self.retranslateUi(DistroMap)
        self.buttonBox.rejected.connect(DistroMap.reject)
        QMetaObject.connectSlotsByName(DistroMap)

    def retranslateUi(self, DistroMap):
        DistroMap.setWindowTitle(QApplication.translate("DistroMap", "Distribution Map Generator", None))
        self.label_5.setText(QApplication.translate("DistroMap", "Point localities layer", None))
        self.label_19.setText(QApplication.translate("DistroMap", "Output resolution", None))
        self.label_20.setText(QApplication.translate("DistroMap", "x", None))
        self.label_21.setText(QApplication.translate("DistroMap", "Map background", None))
        self.btnColour.setText(QApplication.translate("DistroMap", "Change", None))
        self.label_6.setText(QApplication.translate("DistroMap", "Taxon identifier field", None))
        self.label_9.setText(QApplication.translate("DistroMap", "Output directory", None))
        self.btnBrowse.setText(QApplication.translate("DistroMap", "Browse...", None))
        self.label.setText(QApplication.translate("DistroMap", "Background layers:", None))
        self.label_2.setText(QApplication.translate("DistroMap", "Base", None))
        self.label_3.setText(QApplication.translate("DistroMap", "Secondary", None))
        self.label_4.setText(QApplication.translate("DistroMap", "Surface", None))
        self.label_7.setText(QApplication.translate("DistroMap", "Grid layer", None))
        self.label_8.setText(QApplication.translate("DistroMap", "Output extent:", None))
        self.leMaxY.setText(QApplication.translate("DistroMap", "-21.00", None))
        self.leMinX.setText(QApplication.translate("DistroMap", "14.75", None))
        self.leMaxX.setText(QApplication.translate("DistroMap", "34.00", None))
        self.leMinY.setText(QApplication.translate("DistroMap", "-36.00", None))
        self.btnExtent.setText(QApplication.translate("DistroMap", "Use current", None))
Esempio n. 14
0
class RasterCheckerDialogWidget(QDialog):
    def __init__(self, parent=None, checks=[], command=None):
        """Constructor
        Args:
            parent: Qt parent Widget
            iface: QGiS interface
            command: Command instance with a run_it method which will be
                     called on acceptance of the dialog
        """
        super().__init__(parent)
        self.checks = checks
        self.setupUi(checks)
        self.command = command

        # rasterchecker only works on spatialte db (and not also postgres db)
        self.databases = {}
        self.all_databases = get_databases()
        for k, v in self.all_databases.items():
            if "spatialite" in k:
                if v["db_name"]:
                    self.databases[k] = v

        self.database_combo.addItems(self.databases.keys())

        # Connect signals
        self.buttonBox.accepted.connect(self.on_accept)
        self.buttonBox.rejected.connect(self.on_reject)

    def on_accept(self):
        """Accept and run the Command.run_it method."""
        db_key = self.database_combo.currentText()
        settings = self.databases[db_key]
        db_set = settings["db_settings"]

        if not os.path.isfile(db_set["db_path"]):
            msg = "sqlite %s not found" % str(db_set["db_path"])
            raise Exception(msg)

        # TODO: check_all_rasters always runs. Enable check per model entry
        checks = []
        if self.check_all_rasters.isChecked():
            checks.append("check all rasters")
            # TODO: write improve first
            # improve_when_necessary may only be checked when
            # 'check_all_rasters' is checked
            # if self.improve_when_necessary.isChecked():
            #     checks.append('improve when necessary')

        self.command.run_it(checks, db_set, settings["db_type"])
        self.accept()

    def on_reject(self):
        """Cancel"""
        self.reject()
        logger.debug("Reject")

    def closeEvent(self, event):
        """
        Close widget, called by Qt on close
        :param event: QEvent, close event
        """
        self.buttonBox.accepted.disconnect(self.on_accept)
        self.buttonBox.rejected.disconnect(self.on_reject)

        event.accept()

    def setupUi(self, checks):

        self.resize(815, 266)
        self.verticalLayout = QVBoxLayout(self)

        self.groupBox_2 = QGroupBox(self)
        self.groupBox_2.setObjectName("groupBox_2")
        self.database_combo = QComboBox(self.groupBox_2)
        self.database_combo.setGeometry(QRect(10, 30, 481, 34))
        sizePolicy = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(
            self.database_combo.sizePolicy().hasHeightForWidth())
        self.database_combo.setSizePolicy(sizePolicy)
        self.database_combo.setObjectName("database_combo")
        self.verticalLayout.addWidget(self.groupBox_2)

        self.groupBox = QGroupBox(self)
        self.verticalLayoutBox = QVBoxLayout(self.groupBox)

        self.check_all_rasters = QCheckBox(self.groupBox)
        self.check_all_rasters.setChecked(True)
        self.check_all_rasters.setDisabled(True)
        self.verticalLayoutBox.addWidget(self.check_all_rasters)

        # TODO: write improve function first
        # self.improve_when_necessary = QCheckBox(self.groupBox)
        # self.improve_when_necessary.setChecked(False)
        # self.improve_when_necessary.setDisabled(True)
        # self.verticalLayoutBox.addWidget(self.improve_when_necessary)

        self.verticalLayout.addWidget(self.groupBox)

        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Ok)
        self.buttonBox.setObjectName("buttonBox")
        self.verticalLayout.addWidget(self.buttonBox)

        self.retranslateUi()
        self.buttonBox.accepted.connect(self.accept)
        self.buttonBox.rejected.connect(self.reject)
        QMetaObject.connectSlotsByName(self)

    def retranslateUi(self):
        self.setWindowTitle("Raster Checker")
        self.groupBox_2.setTitle("Model schematisation database")

        self.groupBox.setTitle("Options")

        self.check_all_rasters.setText(
            "1. Check all rasters of all v2_global_settings rows")
Esempio n. 15
0
class EntityEditorDialog(MapperMixin):
    """
    Dialog for editing entity attributes.
    """
    addedModel = pyqtSignal(object)

    def __init__(self,
                 entity,
                 model=None,
                 parent=None,
                 manage_documents=True,
                 collect_model=False,
                 parent_entity=None,
                 exclude_columns=None,
                 plugin=None,
                 allow_str_creation=True):
        """
        Class constructor.
        :param entity: Entity object corresponding to a table object.
        :type entity: Entity
        :param model: Data object for loading data into the form widgets.
        If the model is set, then the editor dialog is assumed to be in edit
        mode.
        :type model: object
        :param parent: Parent widget that the form belongs to.
        :type parent: QWidget
        :param manage_documents: True if the dialog should provide controls
        for managing supporting documents. Only applicable if the entity
        allows for supporting documents to be attached.
        :type manage_documents: bool
        :param collect_model: If set to True only returns
        the filled form model without saving it to the database.
        :type collect_model: Boolean
        :param parent_entity: The parent entity of the editor
        :type parent_entity: Object
        :param exclude_columns: List of columns to be excluded if in a list.
        :type exclude_columns: List
        :return: If collect_model, returns SQLAlchemy Model
        """
        super().__init__(parent=parent, model=model, entity=entity)

        QgsGui.enableAutoGeometryRestore(self)

        self.collection_suffix = self.tr('Collection')

        # Set minimum width
        self.setMinimumWidth(450)

        self.plugin = plugin

        # Flag for mandatory columns
        self.has_mandatory = False
        self.reload_form = False
        self._entity = entity
        self.edit_model = model
        self.column_widgets = OrderedDict()
        self.columns = {}
        self._parent = parent
        self.exclude_columns = exclude_columns or []
        self.entity_tab_widget = None
        self._disable_collections = False
        self.filter_val = None
        self.parent_entity = parent_entity
        self.child_models = OrderedDict()
        self.entity_scroll_area = None
        self.entity_editor_widgets = OrderedDict()
        self.details_tree_view = None
        # Set notification layout bar
        self.vlNotification = QVBoxLayout()
        self.vlNotification.setObjectName('vlNotification')
        self._notifBar = NotificationBar(self.vlNotification)
        self.do_not_check_dirty = False
        # Set manage documents only if the entity supports documents
        if self._entity.supports_documents:
            self._manage_documents = manage_documents
        else:
            self._manage_documents = False

        # Setup entity model
        self._ent_document_model = None
        if self._entity.supports_documents:
            self.ent_model, self._ent_document_model = entity_model(
                self._entity, with_supporting_document=True)
        else:
            self.ent_model = entity_model(self._entity)
        if model is not None:
            self.ent_model = model

        MapperMixin.__init__(self, self.ent_model, entity)

        self.collect_model = collect_model

        self.register_column_widgets()

        try:
            if isinstance(parent._parent, EntityEditorDialog):
                # hide collections form child editor
                self._disable_collections = True
        except AttributeError:
            self._parent._parent = None

        # Set title
        editor_trans = self.tr('Editor')
        if self._entity.label is not None:
            if self._entity.label != '':
                title_str = self._entity.label
            else:
                title_str = format_name(self._entity.short_name)
        else:
            title_str = format_name(self._entity.short_name)

        self.title = '{0} {1}'.format(title_str, editor_trans)

        self.setWindowTitle(self.title)

        # determine whether the entity is part of the STR relationship
        curr_profile = current_profile()
        self.participates_in_str, self.is_party_unit = curr_profile.social_tenure.entity_participates_in_str(
            self.entity)

        self._init_gui(show_str_tab=allow_str_creation
                       and self.participates_in_str,
                       is_party_unit=self.is_party_unit)
        self.adjustSize()

        self._get_entity_editor_widgets()

        if isinstance(parent._parent, EntityEditorDialog):
            self.parent_entity = parent.parent_entity
            self.set_parent_values()
            # make the size smaller to differentiate from parent and as it
            # only has few tabs.
            self.adjustSize()

        self.attribute_mappers = self._attr_mapper_collection

        # Exception title for editor extension exceptions
        self._ext_exc_msg = self.tr(
            'An error has occured while executing Python code in the editor '
            'extension:')

        # Register custom editor extension if specified
        self._editor_ext = entity_dlg_extension(self)
        if self._editor_ext is not None:
            self._editor_ext.post_init()

            # Initialize CascadingFieldContext objects
            self._editor_ext.connect_cf_contexts()

    def _init_gui(self, show_str_tab: bool, is_party_unit: bool):
        # Setup base elements
        self.gridLayout = QGridLayout(self)
        self.gridLayout.setObjectName('glMain')
        self.gridLayout.addLayout(self.vlNotification, 0, 0, 1, 1)

        # set widgets values
        column_widget_area = self._setup_columns_content_area()

        self.gridLayout.addWidget(column_widget_area, 1, 0, 1, 1)

        if show_str_tab:
            self._setup_str_tab(is_party_unit=is_party_unit)

        # Add notification for mandatory columns if applicable
        next_row = 2
        if self.has_mandatory:
            self.required_fields_lbl = QLabel(self)
            msg = self.tr('Please fill out all required (*) fields.')
            msg = self._highlight_asterisk(msg)
            self.required_fields_lbl.setText(msg)
            self.gridLayout.addWidget(self.required_fields_lbl, next_row, 0, 1,
                                      2)
            # Bump up row reference
            next_row += 1

        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setObjectName('buttonBox')
        self.gridLayout.addWidget(self.buttonBox, next_row, 0, 1, 1)

        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Save)

        if self.edit_model is None:
            if not self.collect_model:
                self.save_new_button = QPushButton(
                    QApplication.translate('EntityEditorDialog',
                                           'Save and New'))
                self.buttonBox.addButton(self.save_new_button,
                                         QDialogButtonBox.ActionRole)

        # edit model, collect model
        # adding new record for child

        # Saving in parent editor
        if not isinstance(self._parent._parent, EntityEditorDialog):
            # adding a new record
            if self.edit_model is None:
                # saving when digitizing.
                if self.collect_model:
                    self.buttonBox.accepted.connect(self.on_model_added)
                # saving parent editor
                else:
                    self.buttonBox.accepted.connect(self.save_parent_editor)
                    self.save_new_button.clicked.connect(self.save_and_new)
            # updating existing record
            else:
                if not self.collect_model:
                    # updating existing record of the parent editor
                    self.buttonBox.accepted.connect(self.save_parent_editor)
                else:
                    self.buttonBox.accepted.connect(self.on_model_added)
        # Saving in child editor
        else:
            # save and new record
            if self.edit_model is None:
                self.buttonBox.accepted.connect(self.on_child_saved)
                self.save_new_button.clicked.connect(
                    lambda: self.on_child_saved(True))

            else:
                # When updating an existing child editor save to the db
                self.buttonBox.accepted.connect(self.on_child_saved)
                # self.buttonBox.accepted.connect(self.submit)

        self.buttonBox.rejected.connect(self.cancel)

    @property
    def notification_bar(self):
        """
        :return: Returns the dialog's notification bar.
        :rtype: NotificationBar
        """
        return self._notifBar

    def save_parent_editor(self):
        """
        Saves the parent editor and its children.
        """
        self.submit()
        self.save_children()

    def set_parent_values(self):
        """
        Sets the parent display column for the child.
        """
        if self.parent_entity is None:
            return
        for col in self._entity.columns.values():
            if col.TYPE_INFO == 'FOREIGN_KEY':
                parent_entity = col.parent
                if parent_entity == self.parent_entity:
                    self.parent_widgets_value_setter(self._parent._parent, col)

    def parent_widgets_value_setter(self, parent, col):
        """
        Finds and sets the value from parent widget and set it to the column
        widget of a child using the child column.
        :param parent: The parent widget
        :type parent: QWidget
        :param col: The child column object
        :type col: Object
        """
        for parent_col_name, parent_widget in parent.column_widgets.items():
            parent_col = parent.columns[parent_col_name]
            if parent_col.name == col.name:
                self.single_parent_value_setter(col, parent_widget)
                break
            if parent_col.name in col.entity_relation.display_cols:
                self.single_parent_value_setter(col, parent_widget)
                break

    def single_parent_value_setter(self, col, parent_widget):
        """
        Gets value from parent widget and set it to the column widget of a
        child using the child column.
        :param parent: The parent widget
        :type parent: QWidget
        :param col: The child column object
        :type col: Object
        """
        local_widget = self.column_widgets[col.name]
        local_widget.show_clear_button()
        self.filter_val = parent_widget.text()
        local_widget.setText(self.filter_val)

    def save_and_new(self):
        """
        A slot raised when Save and New button is click. It saves the form
        without showing a success message. Then it sets reload_form property
        to True so that entity_browser can re-load the form.
        """
        from stdm.ui.entity_browser import (EntityBrowserWithEditor)
        self.submit(False, True)
        self.save_children()

        if self.is_valid:
            self.addedModel.emit(self.model())
            self.setModel(self.ent_model())
            self.clear()
            self.child_models.clear()
            for index in range(0, self.entity_tab_widget.count() - 1):
                if isinstance(self.entity_tab_widget.widget(index),
                              EntityBrowserWithEditor):
                    child_browser = self.entity_tab_widget.widget(index)
                    child_browser.remove_rows()

    def on_model_added(self):
        """
        A slot raised when a form is submitted with collect model set to True.
        There will be no success message and the form does not close.
        """
        self.submit(True)
        self.addedModel.emit(self.model())

    def closeEvent(self, event):
        """
        Raised when a request to close the window is received.
        Check the dirty state of input controls and prompt user to
        save if dirty.
        """

        if self.do_not_check_dirty:
            event.accept()
            return
        isDirty, userResponse = self.checkDirty()

        if isDirty:
            if userResponse == QMessageBox.Yes:
                # We need to ignore the event so that validation and
                # saving operations can be executed
                event.ignore()
                self.submit()
            elif userResponse == QMessageBox.No:
                event.accept()
            elif userResponse == QMessageBox.Cancel:
                event.ignore()
        else:
            event.accept()

    def on_child_saved(self, save_and_new=False):
        """
        A slot raised when the save or save and new button is clicked. It sets
        the child_models dictionary of the parent when saved.
        :param save_and_new: A boolean indicating the save and new button is
        clicked to trigger the slot.
        :type save_and_new: Boolean
        """
        if self.parent_entity is None:
            return

        self.submit(True)

        insert_pos = self._parent.tbEntity.model().rowCount() + 1
        # Save to parent editor so that it is persistent.
        self._parent._parent.child_models[insert_pos, self._entity.name] = \
            (self._entity, self.model())
        self.addedModel.emit(self.model())
        if not save_and_new:
            self.accept()

        else:
            if self.is_valid:
                # self.addedModel.emit(self.model())
                self.setModel(self.ent_model())

                self.clear()
                self.set_parent_values()

    def save_children(self):
        """
        Saves children models into the database by assigning the the id of the
        parent for foreign key column.
        """
        if len(self.child_models) < 1:
            return
        children_obj = []
        for row_entity, row_value in self.child_models.items():
            entity, model = row_value

            ent_model = entity_model(entity)
            entity_obj = ent_model()
            for col in entity.columns.values():
                if col.TYPE_INFO == 'FOREIGN_KEY':
                    if col.parent.name == self._entity.name:
                        setattr(model, col.name, self.model().id)
                        children_obj.append(model)
            entity_obj.saveMany(children_obj)

    def register_column_widgets(self):
        """
        Registers the column widgets.
        """
        # Append column labels and widgets
        table_name = self._entity.name
        columns = table_column_names(table_name)
        self.scroll_widget_contents = QWidget()
        self.scroll_widget_contents.setObjectName('scrollAreaWidgetContents')
        for c in self._entity.columns.values():
            if c.name in self.exclude_columns:
                continue
            if c.name not in columns and not isinstance(c, VirtualColumn):
                continue
            # Get widget factory
            column_widget = ColumnWidgetRegistry.create(
                c, self.scroll_widget_contents, host=self)
            self.columns[c.name] = c
            self.column_widgets[c.name] = column_widget

    def _setup_columns_content_area(self):
        # Only use this if entity supports documents
        # self.entity_tab_widget = None
        self.doc_widget = None

        self.entity_scroll_area = QScrollArea(self)
        self.entity_scroll_area.setFrameShape(QFrame.NoFrame)
        self.entity_scroll_area.setWidgetResizable(True)
        self.entity_scroll_area.setObjectName('scrollArea')

        # Grid layout for controls
        self.gl = QGridLayout(self.scroll_widget_contents)
        self.gl.setObjectName('gl_widget_contents')

        # Append column labels and widgets
        table_name = self._entity.name
        columns = table_column_names(table_name)
        # Iterate entity column and assert if they exist
        row_id = 0
        for column_name, column_widget in self.column_widgets.items():
            c = self.columns[column_name]
            if c.name in self.exclude_columns:
                continue
            if c.name not in columns and not isinstance(c, VirtualColumn):
                continue

            if column_widget is not None:
                header = c.ui_display()
                self.c_label = QLabel(self.scroll_widget_contents)

                # Format label text if it is a mandatory field
                if c.mandatory:
                    header = '{0} *'.format(c.ui_display())
                    # Highlight asterisk
                    header = self._highlight_asterisk(header)

                self.c_label.setText(header)
                self.gl.addWidget(self.c_label, row_id, 0, 1, 1)

                self.column_widget = column_widget
                self.gl.addWidget(self.column_widget, row_id, 1, 1, 1)

                # Add user tip if specified for the column configuration
                if c.user_tip:
                    self.tip_lbl = UserTipLabel(user_tip=c.user_tip)
                    self.gl.addWidget(self.tip_lbl, row_id, 2, 1, 1)

                if c.mandatory and not self.has_mandatory:
                    self.has_mandatory = True

                col_name = c.name
                # Replace name accordingly based on column type
                if isinstance(c, MultipleSelectColumn):
                    col_name = c.model_attribute_name

                # Add widget to MapperMixin collection
                self.addMapping(col_name,
                                self.column_widget,
                                c.mandatory,
                                pseudoname=c.ui_display())

                # Bump up row_id
                row_id += 1

        self.entity_scroll_area.setWidget(self.scroll_widget_contents)

        if self.entity_tab_widget is None:
            self.entity_tab_widget = QTabWidget(self)
        # Check if there are children and add foreign key browsers

        # Add primary tab if necessary
        self._add_primary_attr_widget()

        if not self._disable_collections:
            ch_entities = self.children_entities()

            for col, ch in ch_entities:
                if hasattr(col.entity_relation, 'show_in_parent'):
                    if col.entity_relation.show_in_parent != '0':
                        self._add_fk_browser(ch, col)
                else:
                    self._add_fk_browser(ch, col)

        # Add tab widget if entity supports documents
        if self._entity.supports_documents:
            self.doc_widget = SupportingDocumentsWidget(
                self._entity.supporting_doc, self._ent_document_model, self)

            # Map the source document manager object
            self.addMapping('documents',
                            self.doc_widget.source_document_manager)

            #
            # # Add attribute tab
            # self._add_primary_attr_widget()

            # Add supporting documents tab
            self.entity_tab_widget.addTab(self.doc_widget,
                                          self.tr('Supporting Documents'))

        # Return the correct widget
        if self.entity_tab_widget is not None:
            return self.entity_tab_widget

        return self.entity_scroll_area

    def _add_primary_attr_widget(self):
        # Check if the primary entity
        # exists and add if it does not
        pr_txt = self.tr('Primary')
        if self.entity_tab_widget is not None:
            tab_txt = self.entity_tab_widget.tabText(0)
            if not tab_txt == pr_txt:
                self.entity_tab_widget.addTab(self.entity_scroll_area, pr_txt)

    def _setup_str_tab(self, is_party_unit: bool):
        """
        Creates the STR relationship tab
        """
        from stdm.ui.feature_details import DetailsTreeView

        layout = QVBoxLayout()
        hl = QHBoxLayout()

        add_btn = QToolButton(self)
        add_btn.setText(self.tr('Create STR'))
        add_btn.setIcon(GuiUtils.get_icon('add.png'))
        hl.addWidget(add_btn)
        add_btn.clicked.connect(self._create_str)

        edit_btn = QToolButton(self)
        edit_btn.setText(self.tr('Edit'))
        edit_btn.setIcon(GuiUtils.get_icon('edit.png'))
        edit_btn.setDisabled(True)
        hl.addWidget(edit_btn)

        view_document_btn = QToolButton(self)
        view_document_btn.setText(self.tr('View Supporting Documents'))
        view_document_btn.setIcon(GuiUtils.get_icon('document.png'))
        view_document_btn.setDisabled(True)
        hl.addWidget(view_document_btn)

        hl.addStretch()
        layout.addLayout(hl)

        self.details_tree_view = DetailsTreeView(
            parent=self,
            plugin=self.plugin,
            edit_button=edit_btn,
            view_document_button=view_document_btn)
        self.details_tree_view.activate_feature_details(
            True, follow_layer_selection=False)
        self.details_tree_view.model.clear()

        if is_party_unit:
            self.details_tree_view.search_party(self.entity,
                                                [self.ent_model.id])
        else:
            self.details_tree_view.search_spatial_unit(self.entity,
                                                       [self.ent_model.id])

        layout.addWidget(self.details_tree_view)
        w = QWidget()
        w.setLayout(layout)

        self.entity_tab_widget.addTab(w, self.tr('STR'))

    def _create_str(self):
        """
        Opens the dialog to create a new STR
        """
        from stdm.ui.social_tenure.str_editor import STREditor
        add_str_window = STREditor()

        #if is_party_unit:
        #    add_str.set_party_data(self.entity_model_obj)

        if add_str_window.exec_():
            # STR created - refresh STR view
            if self.is_party_unit:
                self.details_tree_view.search_party(self.entity,
                                                    [self.ent_model.id])
            else:
                self.details_tree_view.search_spatial_unit(
                    self.entity, [self.ent_model.id])

    def _add_fk_browser(self, child_entity, column):
        # Create and add foreign key
        # browser to the collection
        from stdm.ui.entity_browser import (ContentGroupEntityBrowser)

        attr = '{0}_collection'.format(child_entity.name)

        # Return if the attribute does not exist
        if not hasattr(self._model, attr):
            return

        table_content = TableContentGroup(User.CURRENT_USER.UserName,
                                          child_entity.short_name)

        if self.edit_model is not None:
            parent_id = self.edit_model.id
        else:
            parent_id = 0

        entity_browser = ContentGroupEntityBrowser(child_entity,
                                                   table_content,
                                                   rec_id=parent_id,
                                                   parent=self,
                                                   plugin=self.plugin,
                                                   load_recs=False)

        # entity_browser = EntityBrowserWithEditor(
        # child_entity,
        # self,
        # MANAGE,
        # False,
        # plugin=self.plugin
        # )

        entity_browser.buttonBox.setVisible(False)
        entity_browser.record_filter = []

        if len(child_entity.label) > 2:
            column_label = child_entity.label
        else:
            # Split and join  to filter out entity name prefix
            # e.g. 'lo_parcel' to 'parcel'
            column_label = format_name(" ".join(
                child_entity.name.split("_", 1)[1:]))

        self.set_filter(child_entity, entity_browser)

        self.entity_tab_widget.addTab(entity_browser,
                                      '{0}'.format(column_label))

    def set_filter(self, entity, browser):
        col = self.filter_col(entity)
        child_model = entity_model(entity)
        child_model_obj = child_model()
        col_obj = getattr(child_model, col.name)

        browser.filtered_records = []

        if self.model() is not None:
            if self.model().id is not None:
                browser.filtered_records = child_model_obj.queryObject(
                ).filter(col_obj == self.model().id).all()

        if self.edit_model is not None:
            browser.filtered_records = child_model_obj.queryObject().filter(
                col_obj == self.edit_model.id).all()

    def filter_col(self, child_entity):
        for col in child_entity.columns.values():
            if col.TYPE_INFO == 'FOREIGN_KEY':
                parent_entity = col.parent
                if parent_entity == self._entity:
                    return col

    def children_entities(self):
        """
        :return: Returns a list of children entities (by name)
        that refer to the main entity as the parent.
        :rtype: OrderedDict
        """
        child_columns = []
        for ch in self._entity.children():
            if ch.TYPE_INFO == Entity.TYPE_INFO:
                for col in ch.columns.values():
                    if hasattr(col, 'entity_relation'):

                        if col.parent.name == self._entity.name:
                            child_columns.append((col, ch))
        return child_columns

    def document_widget(self):
        """
        :return: Returns the widget for managing
        the supporting documents for an entity if enabled.
        :rtype: SupportingDocumentsWidget
        """
        return self.doc_widget

    def source_document_manager(self):
        """
        :return: Returns an instance of the
        SourceDocumentManager only if supporting
        documents are enabled for the given entity. Otherwise,
        None if supporting documents are not enabled.
        :rtype: SourceDocumentManager
        """
        if self.doc_widget is None:
            return None

        return self.doc_widget.source_document_manager

    def _highlight_asterisk(self, text):
        # Highlight asterisk in red
        c = '*'

        # Do not format if there is no asterisk
        if text.find(c) == -1:
            return text

        asterisk_highlight = '<span style=\" color:#ff0000;\">*</span>'
        text = text.replace(c, asterisk_highlight)

        return '<html><head/><body><p>{0}</p></body></html>'.format(text)

    def _custom_validate(self):
        """
        Override of the MapperMixin which enables custom editor extensions to
        inject additional validation before saving form data.
        :return: Return True if the validation was successful,
        otherwise False.
        :rtype: bool
        """
        if self._editor_ext is not None:
            return self._editor_ext.validate()

        # Return True if there is no custom editor extension specified
        return True

    def _post_save(self, model):
        """
        Include additional post-save logic by custom extensions.
        :param model: SQLAlchemy model
        :type model: object
        """
        if self._editor_ext is not None:
            self._editor_ext.post_save(model)

    def _get_entity_editor_widgets(self):
        """
        Gets entity editor widgets and appends them to a dictionary
        """
        if self.entity_tab_widget:
            tab_count = self.entity_tab_widget.count()
            for i in range(tab_count):
                tab_object = self.entity_tab_widget.widget(i)
                tab_text = self.entity_tab_widget.tabText(i)
                self.entity_editor_widgets[tab_text] = tab_object
        else:
            self.entity_editor_widgets['no_tab'] = self.entity_scroll_area
class PredictCalcPointsDialogWidget(QDialog):
    def __init__(self, parent=None, command=None):
        """Constructor

        Args:
            parent: Qt parent Widget
            iface: QGiS interface
            command: Command instance with a run_it method which will be called
                     on acceptance of the dialog
        """
        super().__init__(parent)
        self.setupUi()

        self.command = command

        self.databases = get_databases()
        self.database_combo.addItems(list(self.databases.keys()))

        # Connect signals
        self.buttonBox.accepted.connect(self.on_accept)
        self.buttonBox.rejected.connect(self.on_reject)

        self.filename = None

    def on_accept(self):
        """Accept and run the Command.run_it method."""

        db_key = self.database_combo.currentText()
        db_entry = self.databases[db_key]

        _db_settings = db_entry["db_settings"]

        if db_entry["db_type"] == "spatialite":
            host = _db_settings["db_path"]
            db_settings = {
                "host": host,
                "port": "",
                "name": "",
                "username": "",
                "password": "",
                "schema": "",
                "database": "",
                "db_path": host,
            }
        else:
            db_settings = _db_settings
            db_settings["schema"] = "public"
        self.command.run_it(db_settings, db_entry["db_type"])

        self.accept()

    def on_reject(self):
        """Cancel"""
        self.reject()
        logger.debug("Reject")

    def closeEvent(self, event):
        """
        Close widget, called by Qt on close
        :param event: QEvent, close event
        """

        self.buttonBox.accepted.disconnect(self.on_accept)
        self.buttonBox.rejected.disconnect(self.on_reject)

        event.accept()

    def setupUi(self):
        self.resize(815, 250)
        self.verticalLayout = QVBoxLayout(self)

        self.groupBox_2 = QGroupBox(self)
        self.groupBox_2.setObjectName("groupBox_2")
        self.database_combo = QComboBox(self.groupBox_2)
        self.database_combo.setGeometry(QRect(10, 30, 481, 34))

        sizePolicy = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(
            self.database_combo.sizePolicy().hasHeightForWidth())
        self.database_combo.setSizePolicy(sizePolicy)
        self.database_combo.setObjectName("database_combo")
        self.verticalLayout.addWidget(self.groupBox_2)

        self.groupBox = QGroupBox(self)
        self.verticalLayoutBox = QVBoxLayout(self.groupBox)

        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Ok)
        self.buttonBox.setObjectName("buttonBox")
        self.verticalLayout.addWidget(self.buttonBox)

        self.retranslateUi()
        self.buttonBox.accepted.connect(self.accept)
        self.buttonBox.rejected.connect(self.reject)
        QMetaObject.connectSlotsByName(self)

    def retranslateUi(self):
        self.setWindowTitle("Predict calc points")
        self.groupBox_2.setTitle("Model schematisation database")
class ConfigDialog(QDialog):

    NO_BASE_LAYER = "Do not add base layer"

    def __init__(self):
        QDialog.__init__(self)
        self.setupUi()
        self.fillTree()
        self.tree.expandAll()

    def setupUi(self):
        self.setMinimumWidth(500)
        self.setMinimumHeight(400)
        self.resize(640, 450)
        self.verticalLayout = QVBoxLayout(self)
        self.verticalLayout.setSpacing(2)
        self.verticalLayout.setMargin(0)
        self.bar = QgsMessageBar()
        self.bar.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
        self.verticalLayout.addWidget(self.bar)
        self.tree = QTreeWidget(self)
        self.tree.setAlternatingRowColors(True)
        self.verticalLayout.addWidget(self.tree)
        self.horizontalLayout = QHBoxLayout(self)
        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel|QDialogButtonBox.Ok)
        self.horizontalLayout.addWidget(self.buttonBox)
        self.verticalLayout.addLayout(self.horizontalLayout)

        self.setWindowTitle("Configuration options")
        self.tree.headerItem().setText(0, "Setting")
        self.tree.headerItem().setText(1, "Value")

        self.buttonBox.accepted.connect(self.accept)
        self.buttonBox.rejected.connect(self.reject)

    def fillTree(self):
        self.items = {}
        self.tree.clear()

        _layers = [self.NO_BASE_LAYER]
        _layers.extend([lay.name for lay in layers()])
        generalParams = [ConfigParameter("AddLayerToNewProjects", "Automatically add base layer to new projects", _layers)]
        icon = QIcon(os.path.dirname(__file__) + "/../../images/geoserver.png")
        generalItem = self._getItem("General", icon, generalParams)
        self.tree.addTopLevelItem(generalItem)

        for provider in providers:
            providerItem = self._getItem(provider.name, provider.icon, provider.options())
            self.tree.addTopLevelItem(providerItem)

        self.tree.setColumnWidth(0, 400)

    def _getItem(self, name, icon, params):
        icon = QIcon(icon)
        item = QTreeWidgetItem()
        item.setText(0, name)
        item.setIcon(0, icon)
        for param in params:
            subItem = TreeSettingItem(item, self.tree, name, param)
            item.addChild(subItem)
        return item

    def saveSettings(self):
        iterator = QTreeWidgetItemIterator(self.tree)
        value = iterator.value()
        while value:
            if hasattr(value, 'saveValue'):
                try:
                    value.saveValue()
                except Exception as e:
                    self.bar.pushMessage("Error for parameter '%s':" % value.param.description,
                                         str(e), level=QgsMessageBar.WARNING)
                    return False
            iterator += 1
            value = iterator.value()
        return True


    def accept(self):
        if self.saveSettings():
            QDialog.accept(self)
Esempio n. 18
0
class SettingsDialog(QDialog):
    def __init__(self):
        QDialog.__init__(self, iface.mainWindow())
        filepath = os.path.join(os.path.dirname(os.path.dirname(__file__)),
                                "settings.json")
        with open(filepath) as f:
            self.params = json.load(f)
        self.widgets = {}
        self.setWindowTitle("Settings")
        self.setupUi()

    def setupUi(self):
        self.setMinimumWidth(500)
        self.setMinimumHeight(400)
        self.resize(640, 450)
        verticalLayout = QVBoxLayout()

        for param in self.params:
            name = param["name"]
            horizontalLayout = QHBoxLayout()
            if param["type"] not in [BOOL]:
                horizontalLayout.addWidget(QLabel(param["label"]))
            self.widgets[name] = self.widgetFromParameter(param)
            horizontalLayout.addWidget(self.widgets[name])
            value = QSettings().value(f"{SETTINGS_NAMESPACE}/{name}", None)
            if value:
                self.setValueInWidget(self.widgets[name], param["type"], value)
            verticalLayout.addLayout(horizontalLayout)

        horizontalLayout = QHBoxLayout()
        self.buttonBox = QDialogButtonBox()
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Ok)
        horizontalLayout.addWidget(self.buttonBox)
        verticalLayout.addStretch()
        verticalLayout.addLayout(horizontalLayout)

        self.setLayout(verticalLayout)

        self.buttonBox.accepted.connect(self.accept)
        self.buttonBox.rejected.connect(self.reject)

    def widgetFromParameter(self, param):
        paramtype = param["type"]
        if paramtype == FILES:

            def edit(textbox):
                f = QFileDialog.getOpenFileNames(self, "Select file", "",
                                                 "*.*")
                if f:
                    textbox.value = ",".join(f)

            return TextBoxWithLink("Browse", edit, None, True)
        elif paramtype == FOLDER:

            def edit(textbox):
                f = QFileDialog.getExistingDirectory(self, "Select folder", "")
                if f:
                    textbox.value = f

            return TextBoxWithLink("Browse", edit, None, True)
        elif paramtype == BOOL:
            check = QCheckBox(param["label"])
            if param["default"]:
                check.setCheckState(Qt.Checked)
            else:
                check.setCheckState(Qt.Unchecked)
            return check
        elif paramtype == CHOICE:
            combo = QComboBox()
            for option in param["options"]:
                combo.addItem(option)
            idx = combo.findText(str(param["default"]))
            combo.setCurrentIndex(idx)
            return combo
        elif paramtype == TEXT:
            textEdit = QTextEdit()
            textEdit.setPlainText(param["default"])
            return textEdit
        elif paramtype == VECTOR:
            combo = QgsMapLayerComboBox()
            combo.setFilters(QgsMapLayerProxyModel.VectorLayer)
            return combo
        elif paramtype == RASTER:
            combo = QgsMapLayerComboBox()
            combo.setFilters(QgsMapLayerProxyModel.RasterLayer)
            return combo
        elif paramtype == PASSWORD:
            lineEdit = QLineEdit()
            lineEdit.setEchoMode(QLineEdit.Password)
            return lineEdit
        else:
            lineEdit = QLineEdit()
            lineEdit.setText(str(param["default"]))
            return lineEdit

    def valueFromWidget(self, widget, paramtype):
        try:
            if paramtype == BOOL:
                return widget.isChecked()
            elif paramtype == NUMBER:
                return float(widget.text())
            elif paramtype == CHOICE:
                return widget.currentText()
            elif paramtype == TEXT:
                return widget.toPlainText()
            elif paramtype == STRING:
                return widget.text()
            elif paramtype in [FILES, FOLDER]:
                return widget.value
            elif paramtype in [RASTER, VECTOR]:
                return widget.currentLayer()
            else:
                return widget.text()
        except Exception:
            raise  # WrongValueException()

    def setValueInWidget(self, widget, paramtype, value):
        try:
            if paramtype == BOOL:
                widget.setChecked(str(value).lower() == str(True).lower())
            elif paramtype == CHOICE:
                widget.setCurrentText(value)
            elif paramtype == TEXT:
                widget.setPlainText(value)
            elif paramtype in [FILES, FOLDER]:
                widget.value = value
            elif paramtype in [RASTER, VECTOR]:
                widget.currentLayer()  # TODO
            else:
                widget.setText(str(value))
        except Exception:
            pass

    def accept(self):
        for name, widget in self.widgets.items():
            try:
                value = self.valueFromWidget(
                    widget,
                    parameterFromName(self.params, name)["type"])
                QSettings().setValue(f"{SETTINGS_NAMESPACE}/{name}", value)
            except WrongValueException:
                # show warning
                return

        QDialog.accept(self)

    def reject(self):
        QDialog.reject(self)
Esempio n. 19
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class ModelerParameterDefinitionDialog(QDialog):

    PARAMETER_NUMBER = 'Number'
    PARAMETER_RASTER = 'Raster layer'
    PARAMETER_TABLE = 'Table'
    PARAMETER_VECTOR = 'Vector layer'
    PARAMETER_STRING = 'String'
    PARAMETER_EXPRESSION = 'Expression'
    PARAMETER_BOOLEAN = 'Boolean'
    PARAMETER_TABLE_FIELD = 'Table field'
    PARAMETER_EXTENT = 'Extent'
    PARAMETER_FILE = 'File'
    PARAMETER_POINT = 'Point'
    PARAMETER_CRS = 'CRS'
    PARAMETER_MULTIPLE = 'Multiple input'

    paramTypes = [
        PARAMETER_BOOLEAN, PARAMETER_EXTENT, PARAMETER_FILE, PARAMETER_NUMBER,
        PARAMETER_RASTER, PARAMETER_STRING, PARAMETER_EXPRESSION,
        PARAMETER_TABLE, PARAMETER_TABLE_FIELD, PARAMETER_VECTOR,
        PARAMETER_POINT, PARAMETER_CRS, PARAMETER_MULTIPLE
    ]

    def __init__(self, alg, paramType=None, param=None):
        self.alg = alg
        self.paramType = paramType
        self.param = param
        QDialog.__init__(self)
        self.setModal(True)
        self.setupUi()

    def setupUi(self):
        self.setWindowTitle(self.tr('Parameter definition'))
        self.setMinimumWidth(300)

        self.verticalLayout = QVBoxLayout(self)
        self.verticalLayout.setMargin(20)

        self.label = QLabel(self.tr('Parameter name'))
        self.verticalLayout.addWidget(self.label)
        self.nameTextBox = QLineEdit()
        self.verticalLayout.addWidget(self.nameTextBox)

        if isinstance(self.param, Parameter):
            self.nameTextBox.setText(self.param.description)

        if self.paramType == ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN or \
                isinstance(self.param, ParameterBoolean):
            self.state = QCheckBox()
            self.state.setText(self.tr('Checked'))
            self.state.setChecked(False)
            if self.param is not None:
                self.state.setChecked(bool(self.param.value))
            self.verticalLayout.addWidget(self.state)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD or \
                isinstance(self.param, ParameterTableField):
            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            idx = 0
            for param in list(self.alg.inputs.values()):
                if isinstance(param.param, (ParameterVector, ParameterTable)):
                    self.parentCombo.addItem(param.param.description,
                                             param.param.name)
                    if self.param is not None:
                        if self.param.parent == param.param.name:
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)

            # add the datatype selector
            self.verticalLayout.addWidget(QLabel(self.tr('Allowed data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Any'), -1)
            self.datatypeCombo.addItem(self.tr('Number'), 0)
            self.datatypeCombo.addItem(self.tr('String'), 1)
            self.datatypeCombo.addItem(self.tr('Date/time'), 2)
            self.verticalLayout.addWidget(self.datatypeCombo)

            if self.param is not None and self.param.datatype is not None:
                # QComboBoxes indexes start at 0,
                # self.param.datatype start with -1 that is why I need to do +1
                datatypeIndex = self.param.datatype + 1
                self.datatypeCombo.setCurrentIndex(datatypeIndex)

            self.multipleCheck = QCheckBox()
            self.multipleCheck.setText(self.tr('Accept multiple fields'))
            self.multipleCheck.setChecked(False)
            if self.param is not None:
                self.multipleCheck.setChecked(self.param.multiple)
            self.verticalLayout.addWidget(self.multipleCheck)

        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_VECTOR
              or isinstance(self.param, ParameterVector)):
            self.verticalLayout.addWidget(QLabel(self.tr('Shape type')))
            self.shapetypeCombo = QComboBox()
            self.shapetypeCombo.addItem(self.tr('Any'))
            self.shapetypeCombo.addItem(self.tr('Point'))
            self.shapetypeCombo.addItem(self.tr('Line'))
            self.shapetypeCombo.addItem(self.tr('Polygon'))
            if self.param is not None:
                self.shapetypeCombo.setCurrentIndex(self.param.datatype[0] + 1)
            self.verticalLayout.addWidget(self.shapetypeCombo)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE
              or isinstance(self.param, ParameterMultipleInput)):
            self.verticalLayout.addWidget(QLabel(self.tr('Data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Vector (any)'))
            self.datatypeCombo.addItem(self.tr('Vector (point)'))
            self.datatypeCombo.addItem(self.tr('Vector (line)'))
            self.datatypeCombo.addItem(self.tr('Vector (polygon)'))
            self.datatypeCombo.addItem(self.tr('Raster'))
            self.datatypeCombo.addItem(self.tr('File'))
            if self.param is not None:
                self.datatypeCombo.setCurrentIndex(self.param.datatype + 1)
            self.verticalLayout.addWidget(self.datatypeCombo)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_NUMBER
              or isinstance(self.param, ParameterNumber)):
            self.verticalLayout.addWidget(QLabel(self.tr('Min value')))
            self.minTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.minTextBox)
            self.verticalLayout.addWidget(QLabel(self.tr('Max value')))
            self.maxTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.maxTextBox)
            if self.param is not None:
                self.minTextBox.setText(str(self.param.min))
                self.maxTextBox.setText(str(self.param.max))
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setText(self.tr('0'))
            if self.param is not None:
                default = self.param.default
                if self.param.isInteger:
                    default = int(math.floor(default))
                if default:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_EXPRESSION
              or isinstance(self.param, ParameterExpression)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultEdit = QgsExpressionLineEdit()
            if self.param is not None:
                self.defaultEdit.setExpression(self.param.default)
            self.verticalLayout.addWidget(self.defaultEdit)

            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            self.parentCombo.addItem(self.tr("None"), None)
            idx = 1
            for param in list(self.alg.inputs.values()):
                if isinstance(param.param, (ParameterVector, ParameterTable)):
                    self.parentCombo.addItem(param.param.description,
                                             param.param.name)
                    if self.param is not None:
                        if self.param.parent_layer == param.param.name:
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_STRING
              or isinstance(self.param, ParameterString)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.default)
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE
              or isinstance(self.param, ParameterFile)):
            self.verticalLayout.addWidget(QLabel(self.tr('Type')))
            self.fileFolderCombo = QComboBox()
            self.fileFolderCombo.addItem(self.tr('File'))
            self.fileFolderCombo.addItem(self.tr('Folder'))
            if self.param is not None:
                self.fileFolderCombo.setCurrentIndex(
                    1 if self.param.isFolder else 0)
            self.verticalLayout.addWidget(self.fileFolderCombo)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_POINT
              or isinstance(self.param, ParameterPoint)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.default)
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_CRS
              or isinstance(self.param, ParameterCrs)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.selector = QgsProjectionSelectionWidget()
            if self.param is not None:
                self.selector.setCrs(
                    QgsCoordinateReferenceSystem(self.param.default))
            else:
                self.selector.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
            self.verticalLayout.addWidget(self.selector)

        self.verticalLayout.addSpacing(20)
        self.requiredCheck = QCheckBox()
        self.requiredCheck.setText(self.tr('Mandatory'))
        self.requiredCheck.setChecked(True)
        if self.param is not None:
            self.requiredCheck.setChecked(not self.param.optional)
        self.verticalLayout.addWidget(self.requiredCheck)

        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Ok)
        self.buttonBox.setObjectName('buttonBox')
        self.buttonBox.accepted.connect(self.okPressed)
        self.buttonBox.rejected.connect(self.cancelPressed)

        self.verticalLayout.addStretch()
        self.verticalLayout.addWidget(self.buttonBox)

        self.setLayout(self.verticalLayout)

    def okPressed(self):
        description = str(self.nameTextBox.text())
        if description.strip() == '':
            QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                self.tr('Invalid parameter name'))
            return
        if self.param is None:
            validChars = \
                'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
            safeName = ''.join(c for c in description if c in validChars)
            name = safeName.lower()
            i = 2
            while name in self.alg.inputs:
                name = safeName.lower() + str(i)
        else:
            name = self.param.name
        if (self.paramType
                == ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN
                or isinstance(self.param, ParameterBoolean)):
            self.param = ParameterBoolean(name, description,
                                          self.state.isChecked())
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD
              or isinstance(self.param, ParameterTableField)):
            if self.parentCombo.currentIndex() < 0:
                QMessageBox.warning(
                    self, self.tr('Unable to define parameter'),
                    self.tr('Wrong or missing parameter values'))
                return
            parent = self.parentCombo.currentData()
            datatype = self.datatypeCombo.currentData()
            self.param = ParameterTableField(
                name,
                description,
                parent,
                datatype,
                multiple=self.multipleCheck.isChecked())
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_RASTER
              or isinstance(self.param, ParameterRaster)):
            self.param = ParameterRaster(name, description)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_TABLE
              or isinstance(self.param, ParameterTable)):
            self.param = ParameterTable(name, description)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_VECTOR
              or isinstance(self.param, ParameterVector)):
            self.param = ParameterVector(
                name, description, [self.shapetypeCombo.currentIndex() - 1])
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE
              or isinstance(self.param, ParameterMultipleInput)):
            self.param = ParameterMultipleInput(
                name, description,
                self.datatypeCombo.currentIndex() - 1)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_NUMBER
              or isinstance(self.param, ParameterNumber)):
            try:
                vmin = self.minTextBox.text().strip()
                if vmin == '':
                    vmin = None
                else:
                    vmin = float(vmin)
                vmax = self.maxTextBox.text().strip()
                if vmax == '':
                    vmax = None
                else:
                    vmax = float(vmax)
                self.param = ParameterNumber(name, description, vmin, vmax,
                                             str(self.defaultTextBox.text()))
            except:
                QMessageBox.warning(
                    self, self.tr('Unable to define parameter'),
                    self.tr('Wrong or missing parameter values'))
                return
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_EXPRESSION
              or isinstance(self.param, ParameterExpression)):
            parent = self.parentCombo.currentData()
            self.param = ParameterExpression(
                name,
                description,
                default=str(self.defaultEdit.expression()),
                parent_layer=parent)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_STRING
              or isinstance(self.param, ParameterString)):
            self.param = ParameterString(name, description,
                                         str(self.defaultTextBox.text()))
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_EXTENT
              or isinstance(self.param, ParameterExtent)):
            self.param = ParameterExtent(name, description)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE
              or isinstance(self.param, ParameterFile)):
            isFolder = self.fileFolderCombo.currentIndex() == 1
            self.param = ParameterFile(name, description, isFolder=isFolder)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_POINT
              or isinstance(self.param, ParameterPoint)):
            self.param = ParameterPoint(name, description,
                                        str(self.defaultTextBox.text()))
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_CRS
              or isinstance(self.param, ParameterCrs)):
            self.param = ParameterCrs(name,
                                      description,
                                      default=self.selector.crs().authid())
        self.param.optional = not self.requiredCheck.isChecked()
        self.close()

    def cancelPressed(self):
        self.param = None
        self.close()
Esempio n. 20
0
class AdvancedSearch(EntityEditorDialog):
    search_triggered = pyqtSignal(dict)

    def __init__(self, entity, parent, initial_values: dict = None):
        super().__init__(entity, parent=parent)
        self.parent = parent

        self.initial_values = initial_values or {}

        for k, v in self.initial_values.items():
            for mapper in self._attrMappers:
                if mapper.attributeName() == k:
                    mapper.valueHandler().setValue(v)

    def _init_gui(self, show_str_tab: bool, is_party_unit: bool=False):
        # Setup base elements
        self.gridLayout = QGridLayout(self)
        self.gridLayout.setObjectName('glMain')
        self.gridLayout.addLayout(
            self.vlNotification, 0, 0, 1, 1
        )
        column_widget_area = self._setup_columns_content_area()
        self.gridLayout.addWidget(
            column_widget_area, 1, 0, 1, 1
        )
        # Add notification for mandatory columns if applicable
        next_row = 2
        # Set title
        search_trans = self.tr('Advanced Search')
        if self._entity.label is not None:
            if self._entity.label != '':
                title_str = self._entity.label
            else:
                title_str = format_name(self._entity.short_name)
        else:
            title_str = format_name(self._entity.short_name)

        title = '{0} {1}'.format(title_str, search_trans)
        self.do_not_check_dirty = True
        self.setWindowTitle(title)

        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setObjectName('buttonBox')
        self.gridLayout.addWidget(
            self.buttonBox, next_row, 0, 1, 1
        )

        self.buttonBox.setOrientation(Qt.Horizontal)

        self.search = QPushButton(
            QApplication.translate(
                'EntityEditorDialog', 'Search'
            )
        )
        self.buttonBox.addButton(
            self.search, QDialogButtonBox.ActionRole
        )
        self.buttonBox.setStandardButtons(
            QDialogButtonBox.Close | QDialogButtonBox.Reset
        )
        self.search.clicked.connect(self.on_search)
        self.buttonBox.button(QDialogButtonBox.Close).clicked.connect(self.reject)
        self.buttonBox.button(QDialogButtonBox.Reset).clicked.connect(self.reset)

    def reset(self):
        """
        Resets the dialog back to an empty/no filter status
        """
        for column in self._entity.columns.values():
            if column.name in entity_display_columns(self._entity):
                if column.name == 'id':
                    continue
                handler = self.attribute_mappers[
                    column.name].valueHandler()
                handler.setValue(handler.default())

    def on_search(self):
        """
        Builds a dictionary of the desired search values and emits the search_triggered signal
        """
        self.search_triggered.emit(self.current_search_data())

    def current_search_data(self) -> dict:
        """
        Returns a dictionary representing the current search data
        """
        search_data = {}
        for column in self._entity.columns.values():
            if column.name in entity_display_columns(self._entity):
                if column.name == 'id':
                    continue
                handler = self.attribute_mappers[
                    column.name].valueHandler()
                value = handler.value()
                if value != handler.default() and bool(value):
                    search_data[column.name] = value
        return search_data

    def _setup_columns_content_area(self):
        # Only use this if entity supports documents
        # self.entity_tab_widget = None
        self.doc_widget = None

        self.entity_scroll_area = QScrollArea(self)
        self.entity_scroll_area.setFrameShape(QFrame.NoFrame)
        self.entity_scroll_area.setWidgetResizable(True)
        self.entity_scroll_area.setObjectName('scrollArea')

        # Grid layout for controls
        self.gl = QGridLayout(self.scroll_widget_contents)
        self.gl.setObjectName('gl_widget_contents')

        # Append column labels and widgets
        table_name = self._entity.name
        columns = table_column_names(table_name)
        # Iterate entity column and assert if they exist
        row_id = 0
        for column_name, column_widget in self.column_widgets.items():
            c = self.columns[column_name]

            if c.name in self.exclude_columns:
                continue
            if isinstance(c, MultipleSelectColumn):
                continue
            if c.name not in columns and not isinstance(c, VirtualColumn):
                continue

            if column_widget is not None:
                header = c.ui_display()
                self.c_label = QLabel(self.scroll_widget_contents)

                self.c_label.setText(header)
                self.gl.addWidget(self.c_label, row_id, 0, 1, 1)

                if c.TYPE_INFO == 'AUTO_GENERATED':
                    column_widget.setReadOnly(False)
                    column_widget.btn_load.hide()
                self.gl.addWidget(column_widget, row_id, 1, 1, 1)

                col_name = c.name

                # Add widget to MapperMixin collection
                self.addMapping(
                    col_name,
                    column_widget,
                    c.mandatory,
                    pseudoname=c.ui_display()
                )

                # Bump up row_id
                row_id += 1

        self.entity_scroll_area.setWidget(self.scroll_widget_contents)
        if self.entity_tab_widget is None:
            self.entity_tab_widget = QTabWidget(self)
        # Check if there are children and add foreign key browsers

        # Add primary tab if necessary
        self._add_primary_attr_widget()
        # self.entity_tab_widget.setTabEnabled(0, False)  # enable/disable the tab
        # set the style sheet
        self.setStyleSheet(
            "QTabBar::tab::selected {width: 0; height: 0; margin: 0; "
            "padding: 0; border: none;} ")
        # Return the correct widget
        if self.entity_tab_widget is not None:
            return self.entity_tab_widget

        return self.entity_scroll_area
class RemotesDialog(QDialog):
    def __init__(self, parent, repo):
        QDialog.__init__(self, parent, Qt.WindowSystemMenuHint | Qt.WindowTitleHint)
        self.changed = False
        self.repo = repo
        self.remotes = repo.remotes()
        self.setupUi()

    def setupUi(self):
        self.resize(500, 350)
        self.setWindowTitle("Remote connections manager")
        self.horizontalLayout = QHBoxLayout()
        self.horizontalLayout.setSpacing(2)
        self.horizontalLayout.setMargin(0)
        self.buttonBox = QDialogButtonBox()
        self.buttonBox.setOrientation(Qt.Vertical)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Close)
        self.table = QTableWidget()
        self.table.verticalHeader().setVisible(False)
        self.table.setSelectionMode(QAbstractItemView.SingleSelection)
        self.table.setSelectionBehavior(QAbstractItemView.SelectRows)
        self.addRowButton = QPushButton()
        self.addRowButton.setText("Add connection")
        self.editRowButton = QPushButton()
        self.editRowButton.setText("Edit connection")
        self.removeRowButton = QPushButton()
        self.removeRowButton.setText("Remove connection")
        self.buttonBox.addButton(self.addRowButton, QDialogButtonBox.ActionRole)
        self.buttonBox.addButton(self.editRowButton, QDialogButtonBox.ActionRole)
        self.buttonBox.addButton(self.removeRowButton, QDialogButtonBox.ActionRole)
        self.setTableContent()
        self.horizontalLayout.addWidget(self.table)
        self.horizontalLayout.addWidget(self.buttonBox)
        self.setLayout(self.horizontalLayout)

        self.buttonBox.rejected.connect(self.close)
        self.editRowButton.clicked.connect(self.editRow)
        self.addRowButton.clicked.connect(self.addRow)
        self.removeRowButton.clicked.connect(self.removeRow)

        QMetaObject.connectSlotsByName(self)
        self.editRowButton.setEnabled(False)
        self.removeRowButton.setEnabled(False)

    def setTableContent(self):
        self.table.clear()
        self.table.setColumnCount(2)
        self.table.setColumnWidth(0, 200)
        self.table.setColumnWidth(1, 200)
        self.table.setHorizontalHeaderLabels(["Name", "URL"])
        self.table.horizontalHeader().setResizeMode(QHeaderView.Stretch)
        self.table.setRowCount(len(self.remotes))
        for i, name in enumerate(self.remotes):
            url = self.remotes[name]
            self.table.setRowHeight(i, 22)
            item = QTableWidgetItem(name, 0)
            item.setFlags(Qt.ItemIsEnabled | Qt.ItemIsSelectable)
            self.table.setItem(i, 0, item)
            item = QTableWidgetItem(url, 0)
            item.setFlags(Qt.ItemIsEnabled | Qt.ItemIsSelectable)
            self.table.setItem(i, 1, item)

        self.table.itemSelectionChanged.connect(self.selectionChanged)

    def selectionChanged(self):
        enabled = len(self.table.selectedItems()) > 0
        self.editRowButton.setEnabled(enabled)
        self.removeRowButton.setEnabled(enabled)

    def editRow(self):
        item = self.table.item(self.table.currentRow(), 0)
        if item is not None:
            name = item.text()
            url = self.table.item(self.table.currentRow(), 1).text()
            dlg = NewRemoteDialog(name, url, self)
            dlg.exec_()
            if dlg.ok:
                self.repo.removeremote(name)
                self.repo.addremote(dlg.name, dlg.url)
                del self.remotes[name]
                self.remotes[dlg.name] = dlg.url
                self.setTableContent()
                self.changed = True



    def removeRow(self):
        item = self.table.item(self.table.currentRow(), 0)
        if item is not None:
            name = item.text()
            self.repo.removeremote(name)
            del self.remotes[name]
            self.setTableContent()
            self.changed = True

    def addRow(self):
        dlg = NewRemoteDialog(parent = self)
        dlg.exec_()
        if dlg.ok:
            try:
                self.repo.addremote(dlg.name, dlg.url)                
                self.remotes[dlg.name] = dlg.url
                self.setTableContent()
                self.changed = True
            except HTTPError:
                QMessageBox.warning(self, 'Cannot add remote connection',
                "Remote connection could not be added.\n"
                "Ensure that the entered data is correct and the geogig server is running.",
                QMessageBox.Ok)
class CalculatorModelerParametersDialog(ModelerParametersDialog):

    def setupUi(self):
        self.valueItems = {}
        self.dependentItems = {}
        self.resize(650, 450)
        self.buttonBox = QDialogButtonBox()
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Ok)
        self.infoText = QTextEdit()
        numbers = self.getAvailableValuesOfType(ParameterNumber, OutputNumber)
        text = self.tr('You can refer to model values in your formula, using '
                       'single-letter variables, as follows:\n', 'CalculatorModelerParametersDialog')
        ichar = 97
        if numbers:
            for number in numbers:
                text += chr(ichar) + '->' + self.resolveValueDescription(number) + '\n'
                ichar += 1
        else:
            text += self.tr('\n - No numerical variables are available.', 'CalculatorModelerParametersDialog')
        self.infoText.setText(text)
        self.infoText.setEnabled(False)
        self.formulaText = QLineEdit()
        if hasattr(self.formulaText, 'setPlaceholderText'):
            self.formulaText.setPlaceholderText(self.tr('[Enter your formula here]', 'CalculatorModelerParametersDialog'))
        if self._algName is not None:
            alg = self.model.algs[self._algName]
            self.formulaText.setText(alg.params[FORMULA])
        self.setWindowTitle(self.tr('Calculator', 'CalculatorModelerParametersDialog'))
        self.verticalLayout = QVBoxLayout()
        self.verticalLayout.setSpacing(2)
        self.verticalLayout.setMargin(0)
        self.verticalLayout.addWidget(self.infoText)
        self.verticalLayout.addWidget(self.formulaText)
        self.verticalLayout.addWidget(self.buttonBox)
        self.setLayout(self.verticalLayout)
        self.buttonBox.accepted.connect(self.okPressed)
        self.buttonBox.rejected.connect(self.cancelPressed)
        QMetaObject.connectSlotsByName(self)

    def createAlgorithm(self):
        alg = Algorithm('modelertools:calculator')
        alg.setName(self.model)
        alg.description = self.tr('Calculator', 'CalculatorModelerParametersDialog')

        formula = self.formulaText.text()
        alg.params[FORMULA] = formula

        for i in range(AVAILABLE_VARIABLES):
            paramname = NUMBER + str(i)
            alg.params[paramname] = None

        numbers = self.getAvailableValuesOfType(ParameterNumber, OutputNumber)
        used = []
        for i in range(len(numbers)):
            if str(chr(i + 97)) in formula:
                used.append(numbers[i])

        for i, variable in enumerate(used):
            paramname = NUMBER + str(i)
            alg.params[paramname] = variable

        # TODO check formula is correct
        return alg
class ModelerParameterDefinitionDialog(QDialog):

    PARAMETER_NUMBER = 'Number'
    PARAMETER_RASTER = 'Raster layer'
    PARAMETER_TABLE = 'Table'
    PARAMETER_VECTOR = 'Vector layer'
    PARAMETER_STRING = 'String'
    PARAMETER_BOOLEAN = 'Boolean'
    PARAMETER_TABLE_FIELD = 'Table field'
    PARAMETER_TABLE_MULTIPLE_FIELD = 'Table multiple field'
    PARAMETER_EXTENT = 'Extent'
    PARAMETER_FILE = 'File'
    PARAMETER_POINT = 'Point'

    # To add
    PARAMETER_MULTIPLE = 'Multiple input'
    PARAMETER_FIXED_TABLE = 'Fixed table'

    paramTypes = [
        PARAMETER_BOOLEAN,
        PARAMETER_EXTENT,
        PARAMETER_FILE,
        PARAMETER_NUMBER,
        PARAMETER_RASTER,
        PARAMETER_STRING,
        PARAMETER_TABLE,
        PARAMETER_TABLE_FIELD,
        PARAMETER_TABLE_MULTIPLE_FIELD,
        PARAMETER_VECTOR,
        PARAMETER_POINT
    ]

    def __init__(self, alg, paramType=None, param=None):
        self.alg = alg
        self.paramType = paramType
        self.param = param
        QDialog.__init__(self)
        self.setModal(True)
        self.setupUi()

    def setupUi(self):
        self.setWindowTitle(self.tr('Parameter definition'))

        self.verticalLayout = QVBoxLayout(self)
        self.verticalLayout.setSpacing(40)
        self.verticalLayout.setMargin(20)

        self.horizontalLayoutName = QHBoxLayout(self)
        self.horizontalLayoutName.setSpacing(2)
        self.horizontalLayoutName.setMargin(0)
        self.label = QLabel(self.tr('Parameter name'))
        self.horizontalLayoutName.addWidget(self.label)
        self.nameTextBox = QLineEdit()
        self.horizontalLayoutName.addWidget(self.nameTextBox)
        self.verticalLayout.addLayout(self.horizontalLayoutName)

        self.horizontalLayoutRequired = QHBoxLayout(self)
        self.horizontalLayoutRequired.setSpacing(2)
        self.horizontalLayoutRequired.setMargin(0)
        self.horizontalLayoutParent = QHBoxLayout(self)
        self.horizontalLayoutParent.setSpacing(2)
        self.horizontalLayoutParent.setMargin(0)
        self.horizontalLayoutDefault = QHBoxLayout(self)
        self.horizontalLayoutDefault.setSpacing(2)
        self.horizontalLayoutDefault.setMargin(0)
        self.horizontalLayoutDatatype = QHBoxLayout(self)
        self.horizontalLayoutDatatype.setSpacing(2)
        self.horizontalLayoutDatatype.setMargin(0)

        if isinstance(self.param, Parameter):
            self.nameTextBox.setText(self.param.description)

        if self.paramType == ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN or \
           isinstance(self.param, ParameterBoolean):
            self.state = QCheckBox()
            self.state.setText(self.tr('Checked'))
            self.state.setChecked(False)
            if self.param is not None:
                self.state.setChecked(True if self.param.value else False)
            self.horizontalLayoutParent.addWidget(self.state)
            self.verticalLayout.addLayout(self.horizontalLayoutParent)
        elif self.paramType in (
                        ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD,
                        ModelerParameterDefinitionDialog.PARAMETER_TABLE_MULTIPLE_FIELD)\
            or isinstance(self.param, (ParameterTableField,
                                       ParameterTableMultipleField)):
            self.horizontalLayoutParent.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            idx = 0
            for param in self.alg.inputs.values():
                if isinstance(param.param, (ParameterVector, ParameterTable)):
                    self.parentCombo.addItem(param.param.description, param.param.name)
                    if self.param is not None:
                        if self.param.parent == param.param.name:
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.horizontalLayoutParent.addWidget(self.parentCombo)
            self.verticalLayout.addLayout(self.horizontalLayoutParent)

            # add the datatype selector
            self.horizontalLayoutDatatype.addWidget(QLabel(self.tr('Allowed '
                                                            'data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Any'), -1)
            self.datatypeCombo.addItem(self.tr('Number'), 0)
            self.datatypeCombo.addItem(self.tr('String'), 1)
            self.horizontalLayoutDatatype.addWidget(self.datatypeCombo)

            if self.param is not None and self.param.datatype is not None:
                # QComboBoxes indexes start at 0,
                # self.param.datatype start with -1 that is why I need to do +1
                datatype_index = self.param.datatype + 1
                self.datatypeCombo.setCurrentIndex(datatype_index)
            self.verticalLayout.addLayout(self.horizontalLayoutDatatype)

        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_VECTOR or \
                isinstance(self.param, ParameterVector):
            self.horizontalLayoutParent.addWidget(QLabel(self.tr('Shape type')))
            self.shapetypeCombo = QComboBox()
            self.shapetypeCombo.addItem(self.tr('Any'))
            self.shapetypeCombo.addItem(self.tr('Point'))
            self.shapetypeCombo.addItem(self.tr('Line'))
            self.shapetypeCombo.addItem(self.tr('Polygon'))
            if self.param is not None:
                self.shapetypeCombo.setCurrentIndex(self.param.shapetype[0] + 1)
            self.horizontalLayoutParent.addWidget(self.shapetypeCombo)
            self.verticalLayout.addLayout(self.horizontalLayoutParent)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE or \
                isinstance(self.param, ParameterMultipleInput):
            self.horizontalLayoutParent.addWidget(QLabel(self.tr('Data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Vector (any)'))
            self.datatypeCombo.addItem(self.tr('Vector (point)'))
            self.datatypeCombo.addItem(self.tr('Vector (line)'))
            self.datatypeCombo.addItem(self.tr('Vector (polygon)'))
            self.datatypeCombo.addItem(self.tr('Raster'))
            self.datatypeCombo.addItem(self.tr('Table'))
            if self.param is not None:
                self.datatypeCombo.setCurrentIndex(self.param.datatype + 1)
            self.horizontalLayoutParent.addWidget(self.datatypeCombo)
            self.verticalLayout.addLayout(self.horizontalLayoutParent)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or \
                isinstance(self.param, ParameterNumber):
            self.horizontalLayoutParent.addWidget(QLabel(self.tr('Min/Max values')))
            self.minTextBox = QLineEdit()
            self.maxTextBox = QLineEdit()
            if self.param is not None:
                self.minTextBox.setText(unicode(self.param.min))
                self.maxTextBox.setText(unicode(self.param.max))
            self.horizontalLayoutParent.addWidget(self.minTextBox)
            self.horizontalLayoutParent.addWidget(self.maxTextBox)
            self.verticalLayout.addLayout(self.horizontalLayoutParent)
            self.horizontalLayoutDefault.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setText(self.tr('0'))
            if self.param is not None:
                default = self.param.default
                if self.param.isInteger:
                    default = int(math.floor(default))
                self.defaultTextBox.setText(unicode(default))
            self.horizontalLayoutDefault.addWidget(self.defaultTextBox)
            self.verticalLayout.addLayout(self.horizontalLayoutDefault)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or \
                isinstance(self.param, ParameterString):
            self.horizontalLayoutParent.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.default)
            self.horizontalLayoutParent.addWidget(self.defaultTextBox)
            self.verticalLayout.addLayout(self.horizontalLayoutParent)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or \
                isinstance(self.param, ParameterFile):
            self.horizontalLayoutParent.addWidget(QLabel(self.tr('Type')))
            self.fileFolderCombo = QComboBox()
            self.fileFolderCombo.addItem(self.tr('File'))
            self.fileFolderCombo.addItem(self.tr('Folder'))
            if self.param is not None:
                self.fileFolderCombo.setCurrentIndex(
                    1 if self.param.isFolder else 0)
            self.horizontalLayoutParent.addWidget(self.fileFolderCombo)
            self.verticalLayout.addLayout(self.horizontalLayoutParent)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_POINT or \
                isinstance(self.param, ParameterPoint):
            self.horizontalLayoutParent.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.default)
            self.horizontalLayoutParent.addWidget(self.defaultTextBox)
            self.verticalLayout.addLayout(self.horizontalLayoutParent)

        self.horizontalLayoutRequired.addWidget(QLabel(self.tr('Required')))
        self.yesNoCombo = QComboBox()
        self.yesNoCombo.addItem(self.tr('Yes'))
        self.yesNoCombo.addItem(self.tr('No'))
        self.horizontalLayoutRequired.addWidget(self.yesNoCombo)
        if self.param is not None:
            self.yesNoCombo.setCurrentIndex(
                1 if self.param.optional else 0)
        self.verticalLayout.addLayout(self.horizontalLayoutRequired)

        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Ok)
        self.buttonBox.setObjectName('buttonBox')
        self.buttonBox.accepted.connect(self.okPressed)
        self.buttonBox.rejected.connect(self.cancelPressed)

        self.verticalLayout.addWidget(self.buttonBox)

        self.setLayout(self.verticalLayout)

    def okPressed(self):
        description = unicode(self.nameTextBox.text())
        if description.strip() == '':
            QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                self.tr('Invalid parameter name'))
            return
        if self.param is None:
            validChars = \
                'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
            safeName = ''.join(c for c in description if c in validChars)
            name = safeName.lower()
            i = 2
            while name in self.alg.inputs:
                name = safeName.lower() + str(i)
        else:
            name = self.param.name
        if self.paramType \
                == ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN \
                or isinstance(self.param, ParameterBoolean):
            self.param = ParameterBoolean(name, description,
                                          self.state.isChecked())
        elif self.paramType in (
                ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD,
                ModelerParameterDefinitionDialog.PARAMETER_TABLE_MULTIPLE_FIELD)\
            or isinstance(self.param, (ParameterTableField,
                                       ParameterTableMultipleField)):
            if self.parentCombo.currentIndex() < 0:
                QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                    self.tr('Wrong or missing parameter values'))
                return
            parent = self.parentCombo.itemData(self.parentCombo.currentIndex())
            datatype = self.datatypeCombo.itemData(
                self.datatypeCombo.currentIndex())

            if (self.paramType ==
                    ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD or
                    isinstance(self.param, ParameterTableField)):
                self.param = ParameterTableField(
                    name, description, parent, datatype)
            else:
                self.param = ParameterTableMultipleField(
                    name, description, parent, datatype)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_RASTER or \
                isinstance(self.param, ParameterRaster):
            self.param = ParameterRaster(
                name, description,
                self.yesNoCombo.currentIndex() == 1)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_TABLE or \
                isinstance(self.param, ParameterTable):
            self.param = ParameterTable(
                name, description,
                self.yesNoCombo.currentIndex() == 1)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_VECTOR or \
                isinstance(self.param, ParameterVector):
            self.param = ParameterVector(
                name, description,
                [self.shapetypeCombo.currentIndex() - 1],
                self.yesNoCombo.currentIndex() == 1)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE or \
                isinstance(self.param, ParameterMultipleInput):
            self.param = ParameterMultipleInput(
                name, description,
                self.datatypeCombo.currentIndex() - 1,
                self.yesNoCombo.currentIndex() == 1)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or \
                isinstance(self.param, ParameterNumber):
            try:
                vmin = unicode(self.minTextBox.text()).strip()
                if vmin == '':
                    vmin = None
                else:
                    vmin = float(vmin)
                vmax = unicode(self.maxTextBox.text()).strip()
                if vmax == '':
                    vmax = None
                else:
                    vmax = float(vmax)
                self.param = ParameterNumber(name, description, vmin, vmax,
                                             unicode(self.defaultTextBox.text()))
            except:
                QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                    self.tr('Wrong or missing parameter values'))
                return
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or \
                isinstance(self.param, ParameterString):
            self.param = ParameterString(name, description,
                                         unicode(self.defaultTextBox.text()))
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_EXTENT or \
                isinstance(self.param, ParameterExtent):
            self.param = ParameterExtent(name, description)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or \
                isinstance(self.param, ParameterFile):
            isFolder = self.fileFolderCombo.currentIndex() == 1
            self.param = ParameterFile(name, description, isFolder=isFolder)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_POINT or \
                isinstance(self.param, ParameterPoint):
            self.param = ParameterPoint(name, description,
                                        unicode(self.defaultTextBox.text()))
        self.param.optional = self.yesNoCombo.currentIndex() == 1
        self.close()

    def cancelPressed(self):
        self.param = None
        self.close()
class RemotesDialog(QDialog):
    def __init__(self, parent, repo):
        QDialog.__init__(self, parent,
                         Qt.WindowSystemMenuHint | Qt.WindowTitleHint)
        self.changed = False
        self.repo = repo
        self.remotes = repo.remotes()
        self.setupUi()

    def setupUi(self):
        self.resize(500, 350)
        self.setWindowTitle("Remotes manager")
        self.horizontalLayout = QHBoxLayout()
        self.horizontalLayout.setSpacing(2)
        self.horizontalLayout.setMargin(0)
        self.buttonBox = QDialogButtonBox()
        self.buttonBox.setOrientation(Qt.Vertical)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Close)
        self.table = QTableWidget()
        self.table.verticalHeader().setVisible(False)
        self.table.setSelectionMode(QAbstractItemView.SingleSelection)
        self.table.setSelectionBehavior(QAbstractItemView.SelectRows)
        self.addRowButton = QPushButton()
        self.addRowButton.setText("Add remote")
        self.editRowButton = QPushButton()
        self.editRowButton.setText("Edit remote")
        self.removeRowButton = QPushButton()
        self.removeRowButton.setText("Remove remote")
        self.buttonBox.addButton(self.addRowButton,
                                 QDialogButtonBox.ActionRole)
        self.buttonBox.addButton(self.editRowButton,
                                 QDialogButtonBox.ActionRole)
        self.buttonBox.addButton(self.removeRowButton,
                                 QDialogButtonBox.ActionRole)
        self.setTableContent()
        self.horizontalLayout.addWidget(self.table)
        self.horizontalLayout.addWidget(self.buttonBox)
        self.setLayout(self.horizontalLayout)

        self.buttonBox.rejected.connect(self.close)
        self.editRowButton.clicked.connect(self.editRow)
        self.addRowButton.clicked.connect(self.addRow)
        self.removeRowButton.clicked.connect(self.removeRow)

        QMetaObject.connectSlotsByName(self)
        self.editRowButton.setEnabled(False)
        self.removeRowButton.setEnabled(False)

    def setTableContent(self):
        self.table.clear()
        self.table.setColumnCount(2)
        self.table.setColumnWidth(0, 200)
        self.table.setColumnWidth(1, 200)
        self.table.setHorizontalHeaderLabels(["Name", "URL"])
        self.table.horizontalHeader().setResizeMode(QHeaderView.Stretch)
        self.table.setRowCount(len(self.remotes))
        for i, name in enumerate(self.remotes):
            url = self.remotes[name]
            self.table.setRowHeight(i, 22)
            item = QTableWidgetItem(name, 0)
            item.setFlags(Qt.ItemIsEnabled | Qt.ItemIsSelectable)
            self.table.setItem(i, 0, item)
            item = QTableWidgetItem(url, 0)
            item.setFlags(Qt.ItemIsEnabled | Qt.ItemIsSelectable)
            self.table.setItem(i, 1, item)

        self.table.itemSelectionChanged.connect(self.selectionChanged)

    def selectionChanged(self):
        enabled = len(self.table.selectedItems()) > 0
        self.editRowButton.setEnabled(enabled)
        self.removeRowButton.setEnabled(enabled)

    def editRow(self):
        item = self.table.item(self.table.currentRow(), 0)
        if item is not None:
            name = item.text()
            url = self.table.item(self.table.currentRow(), 1).text()
            dlg = NewRemoteDialog(name, url, self)
            dlg.exec_()
            if dlg.ok:
                self.repo.removeremote(name)
                self.repo.addremote(dlg.name, dlg.url)
                del self.remotes[name]
                self.remotes[dlg.name] = dlg.url
                self.setTableContent()
                self.changed = True

    def removeRow(self):
        item = self.table.item(self.table.currentRow(), 0)
        if item is not None:
            name = item.text()
            self.repo.removeremote(name)
            del self.remotes[name]
            self.setTableContent()
            self.changed = True

    def addRow(self):
        dlg = NewRemoteDialog(parent=self)
        dlg.exec_()
        if dlg.ok:
            self.repo.addremote(dlg.name, dlg.url)
            self.remotes[dlg.name] = dlg.url
            self.setTableContent()
            self.changed = True
class ModelerParameterDefinitionDialog(QDialog):
    @staticmethod
    def use_legacy_dialog(param=None, paramType=None):
        if isinstance(param, QgsProcessingDestinationParameter):
            return True

        # yay, use new API!
        return False

    def __init__(self, alg, paramType=None, param=None):
        self.alg = alg
        self.paramType = paramType
        self.param = param
        QDialog.__init__(self)
        self.setModal(True)
        self.setupUi()
        settings = QgsSettings()
        self.restoreGeometry(
            settings.value(
                "/Processing/modelParametersDefinitionDialogGeometry",
                QByteArray()))

    def closeEvent(self, event):
        settings = QgsSettings()
        settings.setValue(
            "/Processing/modelParametersDefinitionDialogGeometry",
            self.saveGeometry())
        super(ModelerParameterDefinitionDialog, self).closeEvent(event)

    def switchToCommentTab(self):
        self.tab.setCurrentIndex(1)
        self.commentEdit.setFocus()
        self.commentEdit.selectAll()

    def setupUi(self):
        type_metadata = QgsApplication.processingRegistry().parameterType(
            self.param.type() if self.param else self.paramType)
        self.setWindowTitle(
            self.tr('{} Parameter Definition').format(type_metadata.name()))

        self.mainLayout = QVBoxLayout()
        self.tab = QTabWidget()
        self.mainLayout.addWidget(self.tab)

        self.setMinimumWidth(300)

        self.verticalLayout = QVBoxLayout()

        self.label = QLabel(self.tr('Parameter name'))
        self.verticalLayout.addWidget(self.label)
        self.nameTextBox = QLineEdit()
        self.verticalLayout.addWidget(self.nameTextBox)

        if isinstance(self.param, QgsProcessingParameterDefinition):
            self.nameTextBox.setText(self.param.description())

        if isinstance(self.param, QgsProcessingDestinationParameter):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultWidget = QgsProcessingLayerOutputDestinationWidget(
                self.param, defaultSelection=True)
            self.verticalLayout.addWidget(self.defaultWidget)

        self.verticalLayout.addSpacing(20)
        self.requiredCheck = QCheckBox()
        self.requiredCheck.setText(self.tr('Mandatory'))
        self.requiredCheck.setChecked(True)
        if self.param is not None:
            self.requiredCheck.setChecked(
                not self.param.flags()
                & QgsProcessingParameterDefinition.FlagOptional)
        self.verticalLayout.addWidget(self.requiredCheck)

        self.advancedCheck = QCheckBox()
        self.advancedCheck.setText(self.tr('Advanced'))
        self.advancedCheck.setChecked(False)
        if self.param is not None:
            self.advancedCheck.setChecked(
                self.param.flags()
                & QgsProcessingParameterDefinition.FlagAdvanced)
        self.verticalLayout.addWidget(self.advancedCheck)

        # If child algorithm output is mandatory, disable checkbox
        if isinstance(self.param, QgsProcessingDestinationParameter):
            child = self.alg.childAlgorithms()[self.param.metadata()
                                               ['_modelChildId']]
            model_output = child.modelOutput(
                self.param.metadata()['_modelChildOutputName'])
            param_def = child.algorithm().parameterDefinition(
                model_output.childOutputName())
            if not (param_def.flags()
                    & QgsProcessingParameterDefinition.FlagOptional):
                self.requiredCheck.setEnabled(False)
                self.requiredCheck.setChecked(True)

            self.advancedCheck.setEnabled(False)
            self.advancedCheck.setChecked(False)

        self.verticalLayout.addStretch()

        w = QWidget()
        w.setLayout(self.verticalLayout)
        self.tab.addTab(w, self.tr('Properties'))

        self.commentLayout = QVBoxLayout()
        self.commentEdit = QTextEdit()
        self.commentEdit.setAcceptRichText(False)
        self.commentLayout.addWidget(self.commentEdit, 1)

        hl = QHBoxLayout()
        hl.setContentsMargins(0, 0, 0, 0)
        hl.addWidget(QLabel(self.tr('Color')))
        self.comment_color_button = QgsColorButton()
        self.comment_color_button.setAllowOpacity(True)
        self.comment_color_button.setWindowTitle(self.tr('Comment Color'))
        self.comment_color_button.setShowNull(True, self.tr('Default'))
        hl.addWidget(self.comment_color_button)
        self.commentLayout.addLayout(hl)

        w2 = QWidget()
        w2.setLayout(self.commentLayout)
        self.tab.addTab(w2, self.tr('Comments'))

        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Ok)
        self.buttonBox.setObjectName('buttonBox')
        self.buttonBox.accepted.connect(self.accept)
        self.buttonBox.rejected.connect(self.reject)

        self.mainLayout.addWidget(self.buttonBox)

        self.setLayout(self.mainLayout)

    def setComments(self, text):
        self.commentEdit.setPlainText(text)

    def comments(self):
        return self.commentEdit.toPlainText()

    def setCommentColor(self, color):
        if color.isValid():
            self.comment_color_button.setColor(color)
        else:
            self.comment_color_button.setToNull()

    def commentColor(self):
        return self.comment_color_button.color(
        ) if not self.comment_color_button.isNull() else QColor()

    def accept(self):
        description = self.nameTextBox.text()
        if description.strip() == '':
            QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                self.tr('Invalid parameter name'))
            return

        validChars = \
            'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
        safeName = ''.join(c for c in description if c in validChars)
        name = safeName.lower()

        # Destination parameter
        if (isinstance(self.param, QgsProcessingParameterFeatureSink)):
            self.param = QgsProcessingParameterFeatureSink(
                name=name,
                description=description,
                type=self.param.dataType(),
                defaultValue=self.defaultWidget.value())
        elif (isinstance(self.param, QgsProcessingParameterFileDestination)):
            self.param = QgsProcessingParameterFileDestination(
                name=name,
                description=description,
                fileFilter=self.param.fileFilter(),
                defaultValue=self.defaultWidget.value())
        elif (isinstance(self.param, QgsProcessingParameterFolderDestination)):
            self.param = QgsProcessingParameterFolderDestination(
                name=name,
                description=description,
                defaultValue=self.defaultWidget.value())
        elif (isinstance(self.param, QgsProcessingParameterRasterDestination)):
            self.param = QgsProcessingParameterRasterDestination(
                name=name,
                description=description,
                defaultValue=self.defaultWidget.value())
        elif (isinstance(self.param, QgsProcessingParameterVectorDestination)):
            self.param = QgsProcessingParameterVectorDestination(
                name=name,
                description=description,
                type=self.param.dataType(),
                defaultValue=self.defaultWidget.value())

        else:
            if self.paramType:
                typeId = self.paramType
            else:
                typeId = self.param.type()

            paramTypeDef = QgsApplication.instance().processingRegistry(
            ).parameterType(typeId)
            if not paramTypeDef:
                msg = self.tr(
                    'The parameter `{}` is not registered, are you missing a required plugin?'
                    .format(typeId))
                raise UndefinedParameterException(msg)
            self.param = paramTypeDef.create(name)
            self.param.setDescription(description)
            self.param.setMetadata(paramTypeDef.metadata())

        if not self.requiredCheck.isChecked():
            self.param.setFlags(
                self.param.flags()
                | QgsProcessingParameterDefinition.FlagOptional)
        else:
            self.param.setFlags(
                self.param.flags()
                & ~QgsProcessingParameterDefinition.FlagOptional)

        if self.advancedCheck.isChecked():
            self.param.setFlags(
                self.param.flags()
                | QgsProcessingParameterDefinition.FlagAdvanced)
        else:
            self.param.setFlags(
                self.param.flags()
                & ~QgsProcessingParameterDefinition.FlagAdvanced)

        settings = QgsSettings()
        settings.setValue(
            "/Processing/modelParametersDefinitionDialogGeometry",
            self.saveGeometry())

        QDialog.accept(self)

    def reject(self):
        self.param = None

        settings = QgsSettings()
        settings.setValue(
            "/Processing/modelParametersDefinitionDialogGeometry",
            self.saveGeometry())

        QDialog.reject(self)
Esempio n. 26
0
class CalculatorModelerParametersDialog(ModelerParametersDialog):
    def setupUi(self):
        self.valueItems = {}
        self.dependentItems = {}
        self.resize(650, 450)
        self.buttonBox = QDialogButtonBox()
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Ok)
        self.infoText = QTextEdit()
        numbers = self.getAvailableValuesOfType(ParameterNumber, OutputNumber)
        text = self.tr(
            'You can refer to model values in your formula, using '
            'single-letter variables, as follows:\n',
            'CalculatorModelerParametersDialog')
        ichar = 97
        if numbers:
            for number in numbers:
                text += chr(ichar) + '->' + self.resolveValueDescription(
                    number) + '\n'
                ichar += 1
        else:
            text += self.tr('\n - No numerical variables are available.',
                            'CalculatorModelerParametersDialog')
        self.infoText.setText(text)
        self.infoText.setEnabled(False)
        self.formulaText = QLineEdit()
        if hasattr(self.formulaText, 'setPlaceholderText'):
            self.formulaText.setPlaceholderText(
                self.tr('[Enter your formula here]',
                        'CalculatorModelerParametersDialog'))
        if self._algName is not None:
            alg = self.model.algs[self._algName]
            self.formulaText.setText(alg.params[FORMULA])
        self.setWindowTitle(
            self.tr('Calculator', 'CalculatorModelerParametersDialog'))
        self.verticalLayout = QVBoxLayout()
        self.verticalLayout.setSpacing(2)
        self.verticalLayout.setMargin(0)
        self.verticalLayout.addWidget(self.infoText)
        self.verticalLayout.addWidget(self.formulaText)
        self.verticalLayout.addWidget(self.buttonBox)
        self.setLayout(self.verticalLayout)
        self.buttonBox.accepted.connect(self.okPressed)
        self.buttonBox.rejected.connect(self.cancelPressed)
        QMetaObject.connectSlotsByName(self)

    def createAlgorithm(self):
        alg = Algorithm('modelertools:calculator')
        alg.setName(self.model)
        alg.description = self.tr('Calculator',
                                  'CalculatorModelerParametersDialog')

        formula = self.formulaText.text()
        alg.params[FORMULA] = formula

        for i in xrange(AVAILABLE_VARIABLES):
            paramname = NUMBER + unicode(i)
            alg.params[paramname] = None

        numbers = self.getAvailableValuesOfType(ParameterNumber, OutputNumber)
        used = []
        for i in range(len(numbers)):
            if unicode(chr(i + 97)) in formula:
                used.append(numbers[i])

        for i, variable in enumerate(used):
            paramname = NUMBER + unicode(i)
            alg.params[paramname] = variable

        # TODO check formula is correct
        return alg
Esempio n. 27
0
class ModelerParametersDialog(QDialog):

    def __init__(self, alg, model, algName=None, configuration=None):
        super().__init__()
        self.setObjectName('ModelerParametersDialog')
        self.setModal(True)

        if iface is not None:
            self.setStyleSheet(iface.mainWindow().styleSheet())

        # dammit this is SUCH as mess... stupid stable API
        self._alg = alg  # The algorithm to define in this dialog. It is an instance of QgsProcessingAlgorithm
        self.model = model  # The model this algorithm is going to be added to. It is an instance of QgsProcessingModelAlgorithm
        self.childId = algName  # The name of the algorithm in the model, in case we are editing it and not defining it for the first time
        self.configuration = configuration
        self.context = createContext()

        self.setWindowTitle(self._alg.displayName())

        self.widget = ModelerParametersWidget(alg, model, algName, configuration, context=self.context, dialog=self)
        QgsGui.enableAutoGeometryRestore(self)

        self.buttonBox = QDialogButtonBox()
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel | QDialogButtonBox.Ok | QDialogButtonBox.Help)

        self.buttonBox.accepted.connect(self.okPressed)
        self.buttonBox.rejected.connect(self.reject)
        self.buttonBox.helpRequested.connect(self.openHelp)

        mainLayout = QVBoxLayout()
        mainLayout.addWidget(self.widget, 1)
        mainLayout.addWidget(self.buttonBox)
        self.setLayout(mainLayout)

    def algorithm(self):
        return self._alg

    def setComments(self, text):
        self.widget.setComments(text)

    def comments(self):
        return self.widget.comments()

    def setCommentColor(self, color):
        self.widget.setCommentColor(color)

    def commentColor(self):
        return self.widget.commentColor()

    def switchToCommentTab(self):
        self.widget.switchToCommentTab()

    def getAvailableValuesOfType(self, paramType, outTypes=[], dataTypes=[]):
        # upgrade paramType to list
        if paramType is None:
            paramType = []
        elif not isinstance(paramType, (tuple, list)):
            paramType = [paramType]
        if outTypes is None:
            outTypes = []
        elif not isinstance(outTypes, (tuple, list)):
            outTypes = [outTypes]

        return self.model.availableSourcesForChild(self.childId, [p.typeName() for p in paramType if
                                                                  issubclass(p, QgsProcessingParameterDefinition)],
                                                   [o.typeName() for o in outTypes if
                                                    issubclass(o, QgsProcessingOutputDefinition)], dataTypes)

    def resolveValueDescription(self, value):
        if isinstance(value, QgsProcessingModelChildParameterSource):
            if value.source() == QgsProcessingModelChildParameterSource.StaticValue:
                return value.staticValue()
            elif value.source() == QgsProcessingModelChildParameterSource.ModelParameter:
                return self.model.parameterDefinition(value.parameterName()).description()
            elif value.source() == QgsProcessingModelChildParameterSource.ChildOutput:
                alg = self.model.childAlgorithm(value.outputChildId())

                output_name = alg.algorithm().outputDefinition(value.outputName()).description()
                # see if this output has been named by the model designer -- if so, we use that friendly name
                for name, output in alg.modelOutputs().items():
                    if output.childOutputName() == value.outputName():
                        output_name = name
                        break

                return self.tr("'{0}' from algorithm '{1}'").format(output_name, alg.description())

        return value

    def setPreviousValues(self):
        self.widget.setPreviousValues()

    def createAlgorithm(self):
        return self.widget.createAlgorithm()

    def okPressed(self):
        if self.createAlgorithm() is not None:
            self.accept()

    def openHelp(self):
        algHelp = self.widget.algorithm().helpUrl()
        if not algHelp:
            algHelp = QgsHelp.helpUrl("processing_algs/{}/{}.html#{}".format(
                self.widget.algorithm().provider().helpId(), self.algorithm().groupId(),
                "{}{}".format(self.algorithm().provider().helpId(), self.algorithm().name()))).toString()

        if algHelp not in [None, ""]:
            webbrowser.open(algHelp)
Esempio n. 28
0
class GuessIndicatorDialogWidget(QDialog):
    def __init__(self, parent=None, checks=[], command=None):
        """Constructor

        Args:
            parent: Qt parent Widget
            iface: QGiS interface
            command: Command instance with a run_it method which will be called
                     on acceptance of the dialog
        """
        super().__init__(parent)
        self.checks = checks
        self.setupUi(checks)

        self.command = command

        self.databases = get_databases()
        self.database_combo.addItems(list(self.databases.keys()))

        # Connect signals
        self.buttonBox.accepted.connect(self.on_accept)
        self.buttonBox.rejected.connect(self.on_reject)

        self.filename = None

    def on_accept(self):
        """Accept and run the Command.run_it method."""

        db_key = self.database_combo.currentText()

        settings = self.databases[db_key]
        db_set = settings["db_settings"]

        if settings["db_type"] == "spatialite":
            pass
        else:  # postgres

            successful_connection = False

            uname = db_set["username"]
            passwd = db_set["password"]
            msg = "Log in"

            while not successful_connection:

                uri = QgsDataSourceUri()
                uri.setConnection(
                    db_set["host"],
                    db_set["port"],
                    db_set["database"],
                    db_set["username"],
                    db_set["password"],
                )

                # try to connect
                # create a PostgreSQL connection using QSqlDatabase
                db = QSqlDatabase.addDatabase("QPSQL")
                # check to see if it is valid

                db.setHostName(uri.host())
                db.setDatabaseName(uri.database())
                try:
                    # port can be an empty string, e.g. for spatialite db's
                    db.setPort(int(uri.port()))
                except ValueError:
                    # TODO: I've seen this uri.port() handling before in some
                    # other file, this can probably be refactored.
                    pass
                db.setUserName(uri.username())
                db.setPassword(uri.password())

                # open (create) the connection
                if db.open():
                    successful_connection = True
                    break
                else:
                    # todo - provide feedback what is wrong
                    pass

                connInfo = uri.connectionInfo()
                (success, uname, passwd) = QgsCredentialDialog.instance().get(
                    connInfo, uname, passwd, msg)

                if success:
                    db_set["username"] = uname
                    db_set["password"] = passwd
                else:
                    return

        checks = []

        if self.check_manhole_indicator.isChecked():
            checks.append("manhole_indicator")

        if self.check_pipe_friction.isChecked():
            checks.append("pipe_friction")

        if self.check_manhole_area.isChecked():
            checks.append("manhole_area")

        self.command.run_it(
            checks,
            self.check_only_empty_fields.isChecked(),
            db_set,
            settings["db_type"],
        )

        self.accept()

    def on_reject(self):
        """Cancel"""
        self.reject()
        logger.debug("Reject")

    def closeEvent(self, event):
        """
        Close widget, called by Qt on close
        :param event: QEvent, close event
        """

        self.buttonBox.accepted.disconnect(self.on_accept)
        self.buttonBox.rejected.disconnect(self.on_reject)

        event.accept()

    def setupUi(self, checks):
        self.resize(515, 450)
        self.verticalLayout = QVBoxLayout(self)

        self.groupBox_2 = QGroupBox(self)
        self.groupBox_2.setObjectName("groupBox_2")
        self.database_combo = QComboBox(self.groupBox_2)
        self.database_combo.setGeometry(QRect(10, 30, 481, 34))

        sizePolicy = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(
            self.database_combo.sizePolicy().hasHeightForWidth())
        self.database_combo.setSizePolicy(sizePolicy)
        self.database_combo.setObjectName("database_combo")
        self.verticalLayout.addWidget(self.groupBox_2)

        self.groupBox = QGroupBox(self)
        self.verticalLayoutBox = QVBoxLayout(self.groupBox)

        self.check_pipe_friction = QCheckBox(self.groupBox)
        self.check_pipe_friction.setChecked(True)
        self.verticalLayoutBox.addWidget(self.check_pipe_friction)

        self.check_manhole_indicator = QCheckBox(self.groupBox)
        self.check_manhole_indicator.setChecked(True)
        self.verticalLayoutBox.addWidget(self.check_manhole_indicator)

        self.check_manhole_area = QCheckBox(self.groupBox)
        self.check_manhole_area.setChecked(True)
        self.verticalLayoutBox.addWidget(self.check_manhole_area)

        self.verticalLayout.addWidget(self.groupBox)

        self.check_only_empty_fields = QCheckBox(self)
        self.check_only_empty_fields.setChecked(True)
        self.verticalLayout.addWidget(self.check_only_empty_fields)

        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Ok)
        self.buttonBox.setObjectName("buttonBox")
        self.verticalLayout.addWidget(self.buttonBox)

        self.retranslateUi()
        self.buttonBox.accepted.connect(self.accept)
        self.buttonBox.rejected.connect(self.reject)
        QMetaObject.connectSlotsByName(self)

    def retranslateUi(self):
        self.setWindowTitle("Guess indicators")
        self.groupBox_2.setTitle("Model schematisation database")

        self.groupBox.setTitle("Guess")
        self.check_pipe_friction.setText("Pipe friction")
        self.check_manhole_indicator.setText("Manhole indicator")
        self.check_only_empty_fields.setText("Only fill NULL fields")
        self.check_manhole_area.setText(
            "Manhole area (only fills NULL fields)")
Esempio n. 29
0
class ModelerParametersDialog(QDialog):

    ENTER_NAME = '[Enter name if this is a final result]'
    NOT_SELECTED = '[Not selected]'
    USE_MIN_COVERING_EXTENT = '[Use min covering extent]'

    def __init__(self, alg, model, algName=None):
        QDialog.__init__(self)
        self.setModal(True)
        # The algorithm to define in this dialog. It is an instance of GeoAlgorithm
        self._alg = alg
        # The resulting algorithm after the user clicks on OK. it is an instance of the container Algorithm class
        self.alg = None
        # The model this algorithm is going to be added to
        self.model = model
        # The name of the algorithm in the model, in case we are editing it and not defining it for the first time
        self._algName = algName
        self.setupUi()
        self.params = None

    def setupUi(self):
        self.labels = {}
        self.widgets = {}
        self.checkBoxes = {}
        self.showAdvanced = False
        self.wrappers = {}
        self.valueItems = {}
        self.dependentItems = {}
        self.resize(650, 450)
        self.buttonBox = QDialogButtonBox()
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Ok)
        tooltips = self._alg.getParameterDescriptions()
        self.setSizePolicy(QSizePolicy.Expanding,
                           QSizePolicy.Expanding)
        self.verticalLayout = QVBoxLayout()
        self.verticalLayout.setSpacing(5)
        self.verticalLayout.setMargin(20)

        self.bar = QgsMessageBar()
        self.bar.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
        self.verticalLayout.addWidget(self.bar)

        hLayout = QHBoxLayout()
        hLayout.setSpacing(5)
        hLayout.setMargin(0)
        descriptionLabel = QLabel(self.tr("Description"))
        self.descriptionBox = QLineEdit()
        self.descriptionBox.setText(self._alg.name)
        hLayout.addWidget(descriptionLabel)
        hLayout.addWidget(self.descriptionBox)
        self.verticalLayout.addLayout(hLayout)
        line = QFrame()
        line.setFrameShape(QFrame.HLine)
        line.setFrameShadow(QFrame.Sunken)
        self.verticalLayout.addWidget(line)

        for param in self._alg.parameters:
            if param.isAdvanced:
                self.advancedButton = QPushButton()
                self.advancedButton.setText(self.tr('Show advanced parameters'))
                self.advancedButton.clicked.connect(
                    self.showAdvancedParametersClicked)
                advancedButtonHLayout = QHBoxLayout()
                advancedButtonHLayout.addWidget(self.advancedButton)
                advancedButtonHLayout.addStretch()
                self.verticalLayout.addLayout(advancedButtonHLayout)
                break
        for param in self._alg.parameters:
            if param.hidden:
                continue
            desc = param.description
            if isinstance(param, ParameterExtent):
                desc += self.tr('(xmin, xmax, ymin, ymax)')
            if isinstance(param, ParameterPoint):
                desc += self.tr('(x, y)')
            if param.optional:
                desc += self.tr(' [optional]')
            label = QLabel(desc)
            self.labels[param.name] = label

            wrapper = param.wrapper(self)
            self.wrappers[param.name] = wrapper

            widget = wrapper.widget
            if widget:
                self.valueItems[param.name] = widget
                if param.name in list(tooltips.keys()):
                    tooltip = tooltips[param.name]
                else:
                    tooltip = param.description
                label.setToolTip(tooltip)
                widget.setToolTip(tooltip)
                if param.isAdvanced:
                    label.setVisible(self.showAdvanced)
                    widget.setVisible(self.showAdvanced)
                    self.widgets[param.name] = widget

                self.verticalLayout.addWidget(label)
                self.verticalLayout.addWidget(widget)

        for output in self._alg.outputs:
            if output.hidden:
                continue
            if isinstance(output, (OutputRaster, OutputVector, OutputTable,
                                   OutputHTML, OutputFile, OutputDirectory)):
                label = QLabel(output.description + '<'
                               + output.__class__.__name__ + '>')
                item = QLineEdit()
                if hasattr(item, 'setPlaceholderText'):
                    item.setPlaceholderText(ModelerParametersDialog.ENTER_NAME)
                self.verticalLayout.addWidget(label)
                self.verticalLayout.addWidget(item)
                self.valueItems[output.name] = item

        label = QLabel(' ')
        self.verticalLayout.addWidget(label)
        label = QLabel(self.tr('Parent algorithms'))
        self.dependenciesPanel = self.getDependenciesPanel()
        self.verticalLayout.addWidget(label)
        self.verticalLayout.addWidget(self.dependenciesPanel)
        self.verticalLayout.addStretch(1000)

        self.setPreviousValues()
        self.setWindowTitle(self._alg.name)
        self.verticalLayout2 = QVBoxLayout()
        self.verticalLayout2.setSpacing(2)
        self.verticalLayout2.setMargin(0)
        self.tabWidget = QTabWidget()
        self.tabWidget.setMinimumWidth(300)
        self.paramPanel = QWidget()
        self.paramPanel.setLayout(self.verticalLayout)
        self.scrollArea = QScrollArea()
        self.scrollArea.setWidget(self.paramPanel)
        self.scrollArea.setWidgetResizable(True)
        self.tabWidget.addTab(self.scrollArea, self.tr('Parameters'))

        self.txtHelp = QTextBrowser()

        html = None
        isText, algHelp = self._alg.help()
        if algHelp is not None:
            algHelp = algHelp if isText else QUrl(algHelp)
            try:
                if isText:
                    self.txtHelp.setHtml(algHelp)
                else:
                    html = self.tr('<p>Downloading algorithm help... Please wait.</p>')
                    self.txtHelp.setHtml(html)
                    self.tabWidget.addTab(self.txtHelp, 'Help')
                    self.reply = QgsNetworkAccessManager.instance().get(QNetworkRequest(algHelp))
                    self.reply.finished.connect(self.requestFinished)
            except:
                pass

        self.verticalLayout2.addWidget(self.tabWidget)
        self.verticalLayout2.addWidget(self.buttonBox)
        self.setLayout(self.verticalLayout2)
        self.buttonBox.accepted.connect(self.okPressed)
        self.buttonBox.rejected.connect(self.cancelPressed)
        QMetaObject.connectSlotsByName(self)

        for wrapper in list(self.wrappers.values()):
            wrapper.postInitialize(list(self.wrappers.values()))

    def requestFinished(self):
        """Change the webview HTML content"""
        reply = self.sender()
        if reply.error() != QNetworkReply.NoError:
            html = self.tr('<h2>No help available for this algorithm</h2><p>{}</p>'.format(reply.errorString()))
        else:
            html = str(reply.readAll())
        reply.deleteLater()
        self.txtHelp.setHtml(html)

    def getAvailableDependencies(self):
        if self._algName is None:
            dependent = []
        else:
            dependent = self.model.getDependentAlgorithms(self._algName)
        opts = []
        for alg in list(self.model.algs.values()):
            if alg.name not in dependent:
                opts.append(alg)
        return opts

    def getDependenciesPanel(self):
        return MultipleInputPanel([alg.description for alg in self.getAvailableDependencies()])

    def showAdvancedParametersClicked(self):
        self.showAdvanced = not self.showAdvanced
        if self.showAdvanced:
            self.advancedButton.setText(self.tr('Hide advanced parameters'))
        else:
            self.advancedButton.setText(self.tr('Show advanced parameters'))
        for param in self._alg.parameters:
            if param.isAdvanced:
                self.labels[param.name].setVisible(self.showAdvanced)
                self.widgets[param.name].setVisible(self.showAdvanced)

    def getAvailableValuesOfType(self, paramType, outType=None, dataType=None):
        # upgrade paramType to list
        if type(paramType) is not list:
            paramType = [paramType]

        values = []
        inputs = self.model.inputs
        for i in list(inputs.values()):
            param = i.param
            for t in paramType:
                if isinstance(param, t):
                    if dataType is not None:
                        if param.datatype in dataType:
                            values.append(ValueFromInput(param.name))
                    else:
                        values.append(ValueFromInput(param.name))
                    break
        if outType is None:
            return values
        if self._algName is None:
            dependent = []
        else:
            dependent = self.model.getDependentAlgorithms(self._algName)
        for alg in list(self.model.algs.values()):
            if alg.name not in dependent:
                for out in alg.algorithm.outputs:
                    if isinstance(out, outType):
                        if dataType is not None and out.datatype in dataType:
                            values.append(ValueFromOutput(alg.name, out.name))
                        else:
                            values.append(ValueFromOutput(alg.name, out.name))

        return values

    def resolveValueDescription(self, value):
        if isinstance(value, ValueFromInput):
            return self.model.inputs[value.name].param.description
        else:
            alg = self.model.algs[value.alg]
            return self.tr("'%s' from algorithm '%s'") % (alg.algorithm.getOutputFromName(value.output).description, alg.description)

    def setPreviousValues(self):
        if self._algName is not None:
            alg = self.model.algs[self._algName]
            self.descriptionBox.setText(alg.description)
            for param in alg.algorithm.parameters:
                if param.hidden:
                    continue
                if param.name in alg.params:
                    value = alg.params[param.name]
                else:
                    value = param.default
                self.wrappers[param.name].setValue(value)
            for name, out in list(alg.outputs.items()):
                self.valueItems[name].setText(out.description)

            selected = []
            dependencies = self.getAvailableDependencies()
            for idx, dependency in enumerate(dependencies):
                if dependency.name in alg.dependencies:
                    selected.append(idx)

            self.dependenciesPanel.setSelectedItems(selected)

    def createAlgorithm(self):
        alg = Algorithm(self._alg.commandLineName())
        alg.setName(self.model)
        alg.description = self.descriptionBox.text()
        params = self._alg.parameters
        outputs = self._alg.outputs
        for param in params:
            if param.hidden:
                continue
            if not self.setParamValue(alg, param, self.wrappers[param.name]):
                self.bar.pushMessage("Error", "Wrong or missing value for parameter '%s'" % param.description,
                                     level=QgsMessageBar.WARNING)
                return None
        for output in outputs:
            if not output.hidden:
                name = str(self.valueItems[output.name].text())
                if name.strip() != '' and name != ModelerParametersDialog.ENTER_NAME:
                    alg.outputs[output.name] = ModelerOutput(name)

        selectedOptions = self.dependenciesPanel.selectedoptions
        availableDependencies = self.getAvailableDependencies()
        for selected in selectedOptions:
            alg.dependencies.append(availableDependencies[selected].name)

        self._alg.processBeforeAddingToModeler(alg, self.model)
        return alg

    def setParamValue(self, alg, param, wrapper):
        try:
            if wrapper.widget:
                value = wrapper.value()
                alg.params[param.name] = value
            return True
        except InvalidParameterValue:
            return False

    def okPressed(self):
        self.alg = self.createAlgorithm()
        if self.alg is not None:
            self.close()

    def cancelPressed(self):
        self.alg = None
        self.close()
Esempio n. 30
0
class ModelerParametersDialog(QDialog):
    ENTER_NAME = '[Enter name if this is a final result]'
    NOT_SELECTED = '[Not selected]'
    USE_MIN_COVERING_EXTENT = '[Use min covering extent]'

    def __init__(self, alg, model, algName=None):
        QDialog.__init__(self)
        self.setModal(True)
        # The algorithm to define in this dialog. It is an instance of GeoAlgorithm
        self._alg = alg
        # The resulting algorithm after the user clicks on OK. it is an instance of the container Algorithm class
        self.alg = None
        # The model this algorithm is going to be added to
        self.model = model
        # The name of the algorithm in the model, in case we are editing it and not defining it for the first time
        self.childId = algName
        self.setupUi()
        self.params = None
        settings = QgsSettings()
        self.restoreGeometry(
            settings.value("/Processing/modelParametersDialogGeometry",
                           QByteArray()))

    def closeEvent(self, event):
        settings = QgsSettings()
        settings.setValue("/Processing/modelParametersDialogGeometry",
                          self.saveGeometry())
        super(ModelerParametersDialog, self).closeEvent(event)

    def setupUi(self):
        self.labels = {}
        self.widgets = {}
        self.checkBoxes = {}
        self.showAdvanced = False
        self.wrappers = {}
        self.valueItems = {}
        self.dependentItems = {}
        self.resize(650, 450)
        self.buttonBox = QDialogButtonBox()
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Ok
                                          | QDialogButtonBox.Help)
        self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
        self.verticalLayout = QVBoxLayout()
        self.verticalLayout.setSpacing(5)
        self.verticalLayout.setMargin(20)

        self.bar = QgsMessageBar()
        self.bar.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
        self.verticalLayout.addWidget(self.bar)

        hLayout = QHBoxLayout()
        hLayout.setSpacing(5)
        hLayout.setMargin(0)
        descriptionLabel = QLabel(self.tr("Description"))
        self.descriptionBox = QLineEdit()
        self.descriptionBox.setText(self._alg.displayName())
        hLayout.addWidget(descriptionLabel)
        hLayout.addWidget(self.descriptionBox)
        self.verticalLayout.addLayout(hLayout)
        line = QFrame()
        line.setFrameShape(QFrame.HLine)
        line.setFrameShadow(QFrame.Sunken)
        self.verticalLayout.addWidget(line)

        for param in self._alg.parameterDefinitions():
            if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
                self.advancedButton = QPushButton()
                self.advancedButton.setText(
                    self.tr('Show advanced parameters'))
                self.advancedButton.clicked.connect(
                    self.showAdvancedParametersClicked)
                advancedButtonHLayout = QHBoxLayout()
                advancedButtonHLayout.addWidget(self.advancedButton)
                advancedButtonHLayout.addStretch()
                self.verticalLayout.addLayout(advancedButtonHLayout)
                break
        for param in self._alg.parameterDefinitions():
            if param.isDestination(
            ) or param.flags() & QgsProcessingParameterDefinition.FlagHidden:
                continue
            desc = param.description()
            if isinstance(param, QgsProcessingParameterExtent):
                desc += self.tr('(xmin, xmax, ymin, ymax)')
            if isinstance(param, QgsProcessingParameterPoint):
                desc += self.tr('(x, y)')
            if param.flags() & QgsProcessingParameterDefinition.FlagOptional:
                desc += self.tr(' [optional]')
            label = QLabel(desc)
            self.labels[param.name()] = label

            wrapper = WidgetWrapperFactory.create_wrapper(param, self)
            self.wrappers[param.name()] = wrapper

            widget = wrapper.widget
            if widget is not None:
                self.valueItems[param.name()] = widget
                tooltip = param.description()
                label.setToolTip(tooltip)
                widget.setToolTip(tooltip)
                if param.flags(
                ) & QgsProcessingParameterDefinition.FlagAdvanced:
                    label.setVisible(self.showAdvanced)
                    widget.setVisible(self.showAdvanced)
                    self.widgets[param.name()] = widget

                self.verticalLayout.addWidget(label)
                self.verticalLayout.addWidget(widget)

        for dest in self._alg.destinationParameterDefinitions():
            if dest.flags() & QgsProcessingParameterDefinition.FlagHidden:
                continue
            if isinstance(dest, (QgsProcessingParameterRasterDestination,
                                 QgsProcessingParameterFeatureSink,
                                 QgsProcessingParameterFileDestination,
                                 QgsProcessingParameterFolderDestination)):
                label = QLabel(dest.description())
                item = QgsFilterLineEdit()
                if hasattr(item, 'setPlaceholderText'):
                    item.setPlaceholderText(ModelerParametersDialog.ENTER_NAME)
                self.verticalLayout.addWidget(label)
                self.verticalLayout.addWidget(item)
                self.valueItems[dest.name()] = item

        label = QLabel(' ')
        self.verticalLayout.addWidget(label)
        label = QLabel(self.tr('Parent algorithms'))
        self.dependenciesPanel = self.getDependenciesPanel()
        self.verticalLayout.addWidget(label)
        self.verticalLayout.addWidget(self.dependenciesPanel)
        self.verticalLayout.addStretch(1000)

        self.setPreviousValues()
        self.setWindowTitle(self._alg.displayName())
        self.verticalLayout2 = QVBoxLayout()
        self.verticalLayout2.setSpacing(2)
        self.verticalLayout2.setMargin(0)

        self.paramPanel = QWidget()
        self.paramPanel.setLayout(self.verticalLayout)
        self.scrollArea = QgsScrollArea()
        self.scrollArea.setWidget(self.paramPanel)
        self.scrollArea.setWidgetResizable(True)

        self.verticalLayout2.addWidget(self.scrollArea)
        self.verticalLayout2.addWidget(self.buttonBox)
        self.setLayout(self.verticalLayout2)
        self.buttonBox.accepted.connect(self.okPressed)
        self.buttonBox.rejected.connect(self.cancelPressed)
        self.buttonBox.helpRequested.connect(self.openHelp)
        QMetaObject.connectSlotsByName(self)

        for wrapper in list(self.wrappers.values()):
            wrapper.postInitialize(list(self.wrappers.values()))

    def getAvailableDependencies(self):  # spellok
        if self.childId is None:
            dependent = []
        else:
            dependent = list(self.model.dependentChildAlgorithms(self.childId))
            dependent.append(self.childId)
        opts = []
        for alg in list(self.model.childAlgorithms().values()):
            if alg.childId() not in dependent:
                opts.append(alg)
        return opts

    def getDependenciesPanel(self):
        return MultipleInputPanel([
            alg.description() for alg in self.getAvailableDependencies()
        ])  # spellok

    def showAdvancedParametersClicked(self):
        self.showAdvanced = not self.showAdvanced
        if self.showAdvanced:
            self.advancedButton.setText(self.tr('Hide advanced parameters'))
        else:
            self.advancedButton.setText(self.tr('Show advanced parameters'))
        for param in self._alg.parameterDefinitions():
            if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
                self.labels[param.name()].setVisible(self.showAdvanced)
                self.widgets[param.name()].setVisible(self.showAdvanced)

    def getAvailableValuesOfType(self, paramType, outTypes=[], dataTypes=[]):
        # upgrade paramType to list
        if paramType is None:
            paramType = []
        elif not isinstance(paramType, list):
            paramType = [paramType]
        if outTypes is None:
            outTypes = []
        elif not isinstance(outTypes, list):
            outTypes = [outTypes]

        return self.model.availableSourcesForChild(self.childId, [
            p.typeName() for p in paramType
            if issubclass(p, QgsProcessingParameterDefinition)
        ], [
            o.typeName()
            for o in outTypes if issubclass(o, QgsProcessingOutputDefinition)
        ], dataTypes)

    def resolveValueDescription(self, value):
        if isinstance(value, QgsProcessingModelChildParameterSource):
            if value.source(
            ) == QgsProcessingModelChildParameterSource.StaticValue:
                return value.staticValue()
            elif value.source(
            ) == QgsProcessingModelChildParameterSource.ModelParameter:
                return self.model.parameterDefinition(
                    value.parameterName()).description()
            elif value.source(
            ) == QgsProcessingModelChildParameterSource.ChildOutput:
                alg = self.model.childAlgorithm(value.outputChildId())
                return self.tr("'{0}' from algorithm '{1}'").format(
                    alg.algorithm().outputDefinition(
                        value.outputName()).description(), alg.description())

        return value

    def setPreviousValues(self):
        if self.childId is not None:
            alg = self.model.childAlgorithm(self.childId)
            self.descriptionBox.setText(alg.description())
            for param in alg.algorithm().parameterDefinitions():
                if param.isDestination() or param.flags(
                ) & QgsProcessingParameterDefinition.FlagHidden:
                    continue
                value = None
                if param.name() in alg.parameterSources():
                    value = alg.parameterSources()[param.name()]
                    if isinstance(value, list) and len(value) == 1:
                        value = value[0]
                    elif isinstance(value, list) and len(value) == 0:
                        value = None
                if value is None:
                    value = param.defaultValue()

                if isinstance(
                        value, QgsProcessingModelChildParameterSource
                ) and value.source(
                ) == QgsProcessingModelChildParameterSource.StaticValue:
                    value = value.staticValue()

                self.wrappers[param.name()].setValue(value)
            for name, out in list(alg.modelOutputs().items()):
                if out.childOutputName() in self.valueItems:
                    self.valueItems[out.childOutputName()].setText(out.name())

            selected = []
            dependencies = self.getAvailableDependencies()  # spellok
            for idx, dependency in enumerate(dependencies):
                if dependency.childId() in alg.dependencies():
                    selected.append(idx)

            self.dependenciesPanel.setSelectedItems(selected)

    def createAlgorithm(self):
        alg = QgsProcessingModelChildAlgorithm(self._alg.id())
        if not self.childId:
            alg.generateChildId(self.model)
        else:
            alg.setChildId(self.childId)
        alg.setDescription(self.descriptionBox.text())
        for param in self._alg.parameterDefinitions():
            if param.isDestination(
            ) or param.flags() & QgsProcessingParameterDefinition.FlagHidden:
                continue
            val = self.wrappers[param.name()].value()
            if (isinstance(val,
                           QgsProcessingModelChildParameterSource) and val.source() == QgsProcessingModelChildParameterSource.StaticValue and not param.checkValueIsAcceptable(
                    val.staticValue())) \
                    or (val is None and not param.flags() & QgsProcessingParameterDefinition.FlagOptional):
                self.bar.pushMessage(
                    "Error",
                    "Wrong or missing value for parameter '%s'" %
                    param.description(),
                    level=QgsMessageBar.WARNING)
                return None
            if val is None:
                continue
            elif isinstance(val, QgsProcessingModelChildParameterSource):
                alg.addParameterSources(param.name(), [val])
            elif isinstance(val, list):
                alg.addParameterSources(param.name(), val)
            else:
                alg.addParameterSources(param.name(), [
                    QgsProcessingModelChildParameterSource.fromStaticValue(val)
                ])

        outputs = {}
        for dest in self._alg.destinationParameterDefinitions():
            if not dest.flags() & QgsProcessingParameterDefinition.FlagHidden:
                name = str(self.valueItems[dest.name()].text())
                if name.strip(
                ) != '' and name != ModelerParametersDialog.ENTER_NAME:
                    output = QgsProcessingModelOutput(name, name)
                    output.setChildId(alg.childId())
                    output.setChildOutputName(dest.name())
                    outputs[name] = output
        alg.setModelOutputs(outputs)

        selectedOptions = self.dependenciesPanel.selectedoptions
        availableDependencies = self.getAvailableDependencies()  # spellok
        dep_ids = []
        for selected in selectedOptions:
            dep_ids.append(
                availableDependencies[selected].childId())  # spellok
        alg.setDependencies(dep_ids)

        try:
            self._alg.processBeforeAddingToModeler(alg, self.model)
        except:
            pass

        return alg

    def okPressed(self):
        self.alg = self.createAlgorithm()
        if self.alg is not None:
            self.close()

    def cancelPressed(self):
        self.alg = None
        self.close()

    def openHelp(self):
        algHelp = self._alg.help()
        if algHelp is not None:
            webbrowser.open(algHelp)
Esempio n. 31
0
class ModelerParametersDialog(QDialog):
    ENTER_NAME = '[Enter name if this is a final result]'
    NOT_SELECTED = '[Not selected]'
    USE_MIN_COVERING_EXTENT = '[Use min covering extent]'

    def __init__(self, alg, model, algName=None):
        QDialog.__init__(self)
        self.setModal(True)
        # The algorithm to define in this dialog. It is an instance of GeoAlgorithm
        self._alg = alg
        # The resulting algorithm after the user clicks on OK. it is an instance of the container Algorithm class
        self.alg = None
        # The model this algorithm is going to be added to
        self.model = model
        # The name of the algorithm in the model, in case we are editing it and not defining it for the first time
        self.childId = algName
        self.setupUi()
        self.params = None
        settings = QgsSettings()
        self.restoreGeometry(settings.value("/Processing/modelParametersDialogGeometry", QByteArray()))

    def closeEvent(self, event):
        settings = QgsSettings()
        settings.setValue("/Processing/modelParametersDialogGeometry", self.saveGeometry())
        super(ModelerParametersDialog, self).closeEvent(event)

    def setupUi(self):
        self.labels = {}
        self.widgets = {}
        self.checkBoxes = {}
        self.showAdvanced = False
        self.wrappers = {}
        self.valueItems = {}
        self.dependentItems = {}
        self.resize(650, 450)
        self.buttonBox = QDialogButtonBox()
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel | QDialogButtonBox.Ok | QDialogButtonBox.Help)
        self.setSizePolicy(QSizePolicy.Expanding,
                           QSizePolicy.Expanding)
        self.verticalLayout = QVBoxLayout()
        self.verticalLayout.setSpacing(5)
        self.verticalLayout.setMargin(20)

        self.bar = QgsMessageBar()
        self.bar.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
        self.verticalLayout.addWidget(self.bar)

        hLayout = QHBoxLayout()
        hLayout.setSpacing(5)
        hLayout.setMargin(0)
        descriptionLabel = QLabel(self.tr("Description"))
        self.descriptionBox = QLineEdit()
        self.descriptionBox.setText(self._alg.displayName())
        hLayout.addWidget(descriptionLabel)
        hLayout.addWidget(self.descriptionBox)
        self.verticalLayout.addLayout(hLayout)
        line = QFrame()
        line.setFrameShape(QFrame.HLine)
        line.setFrameShadow(QFrame.Sunken)
        self.verticalLayout.addWidget(line)

        for param in self._alg.parameterDefinitions():
            if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
                self.advancedButton = QPushButton()
                self.advancedButton.setText(self.tr('Show advanced parameters'))
                self.advancedButton.clicked.connect(
                    self.showAdvancedParametersClicked)
                advancedButtonHLayout = QHBoxLayout()
                advancedButtonHLayout.addWidget(self.advancedButton)
                advancedButtonHLayout.addStretch()
                self.verticalLayout.addLayout(advancedButtonHLayout)
                break
        for param in self._alg.parameterDefinitions():
            if param.isDestination() or param.flags() & QgsProcessingParameterDefinition.FlagHidden:
                continue
            desc = param.description()
            if isinstance(param, QgsProcessingParameterExtent):
                desc += self.tr('(xmin, xmax, ymin, ymax)')
            if isinstance(param, QgsProcessingParameterPoint):
                desc += self.tr('(x, y)')
            if param.flags() & QgsProcessingParameterDefinition.FlagOptional:
                desc += self.tr(' [optional]')
            label = QLabel(desc)
            self.labels[param.name()] = label

            wrapper = WidgetWrapperFactory.create_wrapper(param, self)
            self.wrappers[param.name()] = wrapper

            widget = wrapper.widget
            if widget is not None:
                self.valueItems[param.name()] = widget
                tooltip = param.description()
                label.setToolTip(tooltip)
                widget.setToolTip(tooltip)
                if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
                    label.setVisible(self.showAdvanced)
                    widget.setVisible(self.showAdvanced)
                    self.widgets[param.name()] = widget

                self.verticalLayout.addWidget(label)
                self.verticalLayout.addWidget(widget)

        for dest in self._alg.destinationParameterDefinitions():
            if dest.flags() & QgsProcessingParameterDefinition.FlagHidden:
                continue
            if isinstance(dest, (QgsProcessingParameterRasterDestination, QgsProcessingParameterFeatureSink,
                                 QgsProcessingParameterFileDestination, QgsProcessingParameterFolderDestination)):
                label = QLabel(dest.description())
                item = QgsFilterLineEdit()
                if hasattr(item, 'setPlaceholderText'):
                    item.setPlaceholderText(ModelerParametersDialog.ENTER_NAME)
                self.verticalLayout.addWidget(label)
                self.verticalLayout.addWidget(item)
                self.valueItems[dest.name()] = item

        label = QLabel(' ')
        self.verticalLayout.addWidget(label)
        label = QLabel(self.tr('Parent algorithms'))
        self.dependenciesPanel = self.getDependenciesPanel()
        self.verticalLayout.addWidget(label)
        self.verticalLayout.addWidget(self.dependenciesPanel)
        self.verticalLayout.addStretch(1000)

        self.setPreviousValues()
        self.setWindowTitle(self._alg.displayName())
        self.verticalLayout2 = QVBoxLayout()
        self.verticalLayout2.setSpacing(2)
        self.verticalLayout2.setMargin(0)

        self.paramPanel = QWidget()
        self.paramPanel.setLayout(self.verticalLayout)
        self.scrollArea = QgsScrollArea()
        self.scrollArea.setWidget(self.paramPanel)
        self.scrollArea.setWidgetResizable(True)

        self.verticalLayout2.addWidget(self.scrollArea)
        self.verticalLayout2.addWidget(self.buttonBox)
        self.setLayout(self.verticalLayout2)
        self.buttonBox.accepted.connect(self.okPressed)
        self.buttonBox.rejected.connect(self.cancelPressed)
        self.buttonBox.helpRequested.connect(self.openHelp)
        QMetaObject.connectSlotsByName(self)

        for wrapper in list(self.wrappers.values()):
            wrapper.postInitialize(list(self.wrappers.values()))

    def getAvailableDependencies(self):  # spellok
        if self.childId is None:
            dependent = []
        else:
            dependent = list(self.model.dependentChildAlgorithms(self.childId))
            dependent.append(self.childId)
        opts = []
        for alg in list(self.model.childAlgorithms().values()):
            if alg.childId() not in dependent:
                opts.append(alg)
        return opts

    def getDependenciesPanel(self):
        return MultipleInputPanel([alg.description() for alg in self.getAvailableDependencies()])  # spellok

    def showAdvancedParametersClicked(self):
        self.showAdvanced = not self.showAdvanced
        if self.showAdvanced:
            self.advancedButton.setText(self.tr('Hide advanced parameters'))
        else:
            self.advancedButton.setText(self.tr('Show advanced parameters'))
        for param in self._alg.parameterDefinitions():
            if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
                self.labels[param.name()].setVisible(self.showAdvanced)
                self.widgets[param.name()].setVisible(self.showAdvanced)

    def getAvailableValuesOfType(self, paramType, outTypes=[], dataTypes=[]):
        # upgrade paramType to list
        if paramType is None:
            paramType = []
        elif not isinstance(paramType, list):
            paramType = [paramType]
        if outTypes is None:
            outTypes = []
        elif not isinstance(outTypes, list):
            outTypes = [outTypes]

        return self.model.availableSourcesForChild(self.childId, [p.typeName() for p in paramType if issubclass(p, QgsProcessingParameterDefinition)],
                                                   [o.typeName() for o in outTypes if issubclass(o, QgsProcessingOutputDefinition)], dataTypes)

    def resolveValueDescription(self, value):
        if isinstance(value, QgsProcessingModelChildParameterSource):
            if value.source() == QgsProcessingModelChildParameterSource.StaticValue:
                return value.staticValue()
            elif value.source() == QgsProcessingModelChildParameterSource.ModelParameter:
                return self.model.parameterDefinition(value.parameterName()).description()
            elif value.source() == QgsProcessingModelChildParameterSource.ChildOutput:
                alg = self.model.childAlgorithm(value.outputChildId())
                return self.tr("'{0}' from algorithm '{1}'").format(
                    alg.algorithm().outputDefinition(value.outputName()).description(), alg.description())

        return value

    def setPreviousValues(self):
        if self.childId is not None:
            alg = self.model.childAlgorithm(self.childId)
            self.descriptionBox.setText(alg.description())
            for param in alg.algorithm().parameterDefinitions():
                if param.isDestination() or param.flags() & QgsProcessingParameterDefinition.FlagHidden:
                    continue
                value = None
                if param.name() in alg.parameterSources():
                    value = alg.parameterSources()[param.name()]
                    if isinstance(value, list) and len(value) == 1:
                        value = value[0]
                    elif isinstance(value, list) and len(value) == 0:
                        value = None
                if value is None:
                    value = param.defaultValue()

                if isinstance(value, QgsProcessingModelChildParameterSource) and value.source() == QgsProcessingModelChildParameterSource.StaticValue:
                    value = value.staticValue()

                self.wrappers[param.name()].setValue(value)
            for name, out in list(alg.modelOutputs().items()):
                if out.childOutputName() in self.valueItems:
                    self.valueItems[out.childOutputName()].setText(out.name())

            selected = []
            dependencies = self.getAvailableDependencies()  # spellok
            for idx, dependency in enumerate(dependencies):
                if dependency.childId() in alg.dependencies():
                    selected.append(idx)

            self.dependenciesPanel.setSelectedItems(selected)

    def createAlgorithm(self):
        alg = QgsProcessingModelChildAlgorithm(self._alg.id())
        if not self.childId:
            alg.generateChildId(self.model)
        else:
            alg.setChildId(self.childId)
        alg.setDescription(self.descriptionBox.text())
        for param in self._alg.parameterDefinitions():
            if param.isDestination() or param.flags() & QgsProcessingParameterDefinition.FlagHidden:
                continue
            val = self.wrappers[param.name()].value()
            if (isinstance(val,
                           QgsProcessingModelChildParameterSource) and val.source() == QgsProcessingModelChildParameterSource.StaticValue and not param.checkValueIsAcceptable(
                    val.staticValue())) \
                    or (val is None and not param.flags() & QgsProcessingParameterDefinition.FlagOptional):
                self.bar.pushMessage("Error", "Wrong or missing value for parameter '%s'" % param.description(),
                                     level=QgsMessageBar.WARNING)
                return None
            if val is None:
                continue
            elif isinstance(val, QgsProcessingModelChildParameterSource):
                alg.addParameterSources(param.name(), [val])
            elif isinstance(val, list):
                alg.addParameterSources(param.name(), val)
            else:
                alg.addParameterSources(param.name(), [QgsProcessingModelChildParameterSource.fromStaticValue(val)])

        outputs = {}
        for dest in self._alg.destinationParameterDefinitions():
            if not dest.flags() & QgsProcessingParameterDefinition.FlagHidden:
                name = str(self.valueItems[dest.name()].text())
                if name.strip() != '' and name != ModelerParametersDialog.ENTER_NAME:
                    output = QgsProcessingModelOutput(name, name)
                    output.setChildId(alg.childId())
                    output.setChildOutputName(dest.name())
                    outputs[name] = output
        alg.setModelOutputs(outputs)

        selectedOptions = self.dependenciesPanel.selectedoptions
        availableDependencies = self.getAvailableDependencies()  # spellok
        dep_ids = []
        for selected in selectedOptions:
            dep_ids.append(availableDependencies[selected].childId())  # spellok
        alg.setDependencies(dep_ids)

        try:
            self._alg.processBeforeAddingToModeler(alg, self.model)
        except:
            pass

        return alg

    def okPressed(self):
        self.alg = self.createAlgorithm()
        if self.alg is not None:
            self.close()

    def cancelPressed(self):
        self.alg = None
        self.close()

    def openHelp(self):
        algHelp = self._alg.help()
        if algHelp is not None:
            webbrowser.open(algHelp)
Esempio n. 32
0
class ModelerParametersDialog(QDialog):

    def __init__(self, alg, model, algName=None, configuration=None):
        QDialog.__init__(self)
        self.setModal(True)

        self._alg = alg # The algorithm to define in this dialog. It is an instance of QgsProcessingAlgorithm
        self.model = model # The model this algorithm is going to be added to. It is an instance of QgsProcessingModelAlgorithm
        self.childId = algName # The name of the algorithm in the model, in case we are editing it and not defining it for the first time
        self.configuration = configuration
        self.context = createContext()

        self.widget_labels = {}

        class ContextGenerator(QgsProcessingContextGenerator):

            def __init__(self, context):
                super().__init__()
                self.processing_context = context

            def processingContext(self):
                return self.processing_context

        self.context_generator = ContextGenerator(self.context)

        self.setupUi()
        self.params = None

        settings = QgsSettings()
        self.restoreGeometry(settings.value("/Processing/modelParametersDialogGeometry", QByteArray()))

    def closeEvent(self, event):
        settings = QgsSettings()
        settings.setValue("/Processing/modelParametersDialogGeometry", self.saveGeometry())
        super(ModelerParametersDialog, self).closeEvent(event)

    def setupUi(self):
        self.checkBoxes = {}
        self.showAdvanced = False
        self.wrappers = {}
        self.valueItems = {}
        self.dependentItems = {}
        self.algorithmItem = None

        self.resize(650, 450)
        self.buttonBox = QDialogButtonBox()
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel | QDialogButtonBox.Ok | QDialogButtonBox.Help)
        self.setSizePolicy(QSizePolicy.Expanding,
                           QSizePolicy.Expanding)
        self.verticalLayout = QVBoxLayout()
        self.verticalLayout.setSpacing(5)
        self.verticalLayout.setMargin(20)

        self.bar = QgsMessageBar()
        self.bar.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
        self.verticalLayout.addWidget(self.bar)

        hLayout = QHBoxLayout()
        hLayout.setSpacing(5)
        hLayout.setMargin(0)
        descriptionLabel = QLabel(self.tr("Description"))
        self.descriptionBox = QLineEdit()
        self.descriptionBox.setText(self._alg.displayName())
        hLayout.addWidget(descriptionLabel)
        hLayout.addWidget(self.descriptionBox)
        self.verticalLayout.addLayout(hLayout)
        line = QFrame()
        line.setFrameShape(QFrame.HLine)
        line.setFrameShadow(QFrame.Sunken)
        self.verticalLayout.addWidget(line)

        widget_context = QgsProcessingParameterWidgetContext()
        widget_context.setProject(QgsProject.instance())
        if iface is not None:
            widget_context.setMapCanvas(iface.mapCanvas())
        widget_context.setModel(self.model)
        widget_context.setModelChildAlgorithmId(self.childId)

        self.algorithmItem = QgsGui.instance().processingGuiRegistry().algorithmConfigurationWidget(self._alg)
        if self.algorithmItem:
            self.algorithmItem.setWidgetContext(widget_context)
            self.algorithmItem.registerProcessingContextGenerator(self.context_generator)
            if self.configuration:
                self.algorithmItem.setConfiguration(self.configuration)
            self.verticalLayout.addWidget(self.algorithmItem)

        for param in self._alg.parameterDefinitions():
            if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
                self.advancedButton = QPushButton()
                self.advancedButton.setText(self.tr('Show advanced parameters'))
                self.advancedButton.clicked.connect(
                    self.showAdvancedParametersClicked)
                advancedButtonHLayout = QHBoxLayout()
                advancedButtonHLayout.addWidget(self.advancedButton)
                advancedButtonHLayout.addStretch()
                self.verticalLayout.addLayout(advancedButtonHLayout)
                break
        for param in self._alg.parameterDefinitions():
            if param.isDestination() or param.flags() & QgsProcessingParameterDefinition.FlagHidden:
                continue

            wrapper = WidgetWrapperFactory.create_wrapper(param, self)
            self.wrappers[param.name()] = wrapper

            wrapper.setWidgetContext(widget_context)
            wrapper.registerProcessingContextGenerator(self.context_generator)
            if issubclass(wrapper.__class__, QgsProcessingModelerParameterWidget):
                widget = wrapper
            else:
                widget = wrapper.widget
            if widget is not None:
                self.valueItems[param.name()] = widget

                if issubclass(wrapper.__class__, QgsProcessingModelerParameterWidget):
                    label = wrapper.createLabel()
                else:
                    tooltip = param.description()
                    widget.setToolTip(tooltip)
                    label = wrapper.label
                self.widget_labels[param.name()] = label

                if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
                    label.setVisible(self.showAdvanced)
                    widget.setVisible(self.showAdvanced)

                self.verticalLayout.addWidget(label)
                self.verticalLayout.addWidget(widget)

        for dest in self._alg.destinationParameterDefinitions():
            if dest.flags() & QgsProcessingParameterDefinition.FlagHidden:
                continue
            if isinstance(dest, (QgsProcessingParameterRasterDestination, QgsProcessingParameterVectorDestination,
                                 QgsProcessingParameterFeatureSink, QgsProcessingParameterFileDestination, QgsProcessingParameterFolderDestination)):
                label = QLabel(dest.description())
                item = QgsFilterLineEdit()
                if hasattr(item, 'setPlaceholderText'):
                    item.setPlaceholderText(self.tr('[Enter name if this is a final result]'))
                self.verticalLayout.addWidget(label)
                self.verticalLayout.addWidget(item)
                self.valueItems[dest.name()] = item

        label = QLabel(' ')
        self.verticalLayout.addWidget(label)
        label = QLabel(self.tr('Parent algorithms'))
        self.dependenciesPanel = self.getDependenciesPanel()
        self.verticalLayout.addWidget(label)
        self.verticalLayout.addWidget(self.dependenciesPanel)
        self.verticalLayout.addStretch(1000)

        self.setPreviousValues()
        self.setWindowTitle(self._alg.displayName())
        self.verticalLayout2 = QVBoxLayout()
        self.verticalLayout2.setSpacing(2)
        self.verticalLayout2.setMargin(0)

        self.paramPanel = QWidget()
        self.paramPanel.setLayout(self.verticalLayout)
        self.scrollArea = QgsScrollArea()
        self.scrollArea.setWidget(self.paramPanel)
        self.scrollArea.setWidgetResizable(True)

        self.verticalLayout2.addWidget(self.scrollArea)
        self.verticalLayout2.addWidget(self.buttonBox)
        self.setLayout(self.verticalLayout2)
        self.buttonBox.accepted.connect(self.okPressed)
        self.buttonBox.rejected.connect(self.cancelPressed)
        self.buttonBox.helpRequested.connect(self.openHelp)
        QMetaObject.connectSlotsByName(self)

    def getAvailableDependencies(self):  # spellok
        if self.childId is None:
            dependent = []
        else:
            dependent = list(self.model.dependentChildAlgorithms(self.childId))
            dependent.append(self.childId)
        opts = []
        for alg in list(self.model.childAlgorithms().values()):
            if alg.childId() not in dependent:
                opts.append(alg)
        return opts

    def getDependenciesPanel(self):
        return MultipleInputPanel([alg.description() for alg in self.getAvailableDependencies()])  # spellok

    def showAdvancedParametersClicked(self):
        self.showAdvanced = not self.showAdvanced
        if self.showAdvanced:
            self.advancedButton.setText(self.tr('Hide advanced parameters'))
        else:
            self.advancedButton.setText(self.tr('Show advanced parameters'))
        for param in self._alg.parameterDefinitions():
            if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
                wrapper = self.wrappers[param.name()]
                if issubclass(wrapper.__class__, QgsProcessingModelerParameterWidget):
                    wrapper.setVisible(self.showAdvanced)
                else:
                    wrapper.widget.setVisible(self.showAdvanced)

                self.widget_labels[param.name()].setVisible(self.showAdvanced)

    def getAvailableValuesOfType(self, paramType, outTypes=[], dataTypes=[]):
        # upgrade paramType to list
        if paramType is None:
            paramType = []
        elif not isinstance(paramType, (tuple, list)):
            paramType = [paramType]
        if outTypes is None:
            outTypes = []
        elif not isinstance(outTypes, (tuple, list)):
            outTypes = [outTypes]

        return self.model.availableSourcesForChild(self.childId, [p.typeName() for p in paramType if
                                                                  issubclass(p, QgsProcessingParameterDefinition)],
                                                   [o.typeName() for o in outTypes if
                                                    issubclass(o, QgsProcessingOutputDefinition)], dataTypes)

    def resolveValueDescription(self, value):
        if isinstance(value, QgsProcessingModelChildParameterSource):
            if value.source() == QgsProcessingModelChildParameterSource.StaticValue:
                return value.staticValue()
            elif value.source() == QgsProcessingModelChildParameterSource.ModelParameter:
                return self.model.parameterDefinition(value.parameterName()).description()
            elif value.source() == QgsProcessingModelChildParameterSource.ChildOutput:
                alg = self.model.childAlgorithm(value.outputChildId())
                return self.tr("'{0}' from algorithm '{1}'").format(
                    alg.algorithm().outputDefinition(value.outputName()).description(), alg.description())

        return value

    def setPreviousValues(self):
        if self.childId is not None:
            alg = self.model.childAlgorithm(self.childId)
            self.descriptionBox.setText(alg.description())
            for param in alg.algorithm().parameterDefinitions():
                if param.isDestination() or param.flags() & QgsProcessingParameterDefinition.FlagHidden:
                    continue
                value = None
                if param.name() in alg.parameterSources():
                    value = alg.parameterSources()[param.name()]
                    if isinstance(value, list) and len(value) == 1:
                        value = value[0]
                    elif isinstance(value, list) and len(value) == 0:
                        value = None

                wrapper = self.wrappers[param.name()]
                if issubclass(wrapper.__class__, QgsProcessingModelerParameterWidget):
                    if value is None:
                        value = QgsProcessingModelChildParameterSource.fromStaticValue(param.defaultValue())

                    wrapper.setWidgetValue(value)
                else:
                    if value is None:
                        value = param.defaultValue()

                    if isinstance(value,
                                  QgsProcessingModelChildParameterSource) and value.source() == QgsProcessingModelChildParameterSource.StaticValue:
                        value = value.staticValue()
                    wrapper.setValue(value)

            for name, out in alg.modelOutputs().items():
                if out.childOutputName() in self.valueItems:
                    self.valueItems[out.childOutputName()].setText(out.name())

            selected = []
            dependencies = self.getAvailableDependencies()  # spellok
            for idx, dependency in enumerate(dependencies):
                if dependency.childId() in alg.dependencies():
                    selected.append(idx)

            self.dependenciesPanel.setSelectedItems(selected)

    def createAlgorithm(self):
        alg = QgsProcessingModelChildAlgorithm(self._alg.id())
        if not self.childId:
            alg.generateChildId(self.model)
        else:
            alg.setChildId(self.childId)
        alg.setDescription(self.descriptionBox.text())
        if self.algorithmItem:
            alg.setConfiguration(self.algorithmItem.configuration())
            self._alg = alg.algorithm().create(self.algorithmItem.configuration())
        for param in self._alg.parameterDefinitions():
            if param.isDestination() or param.flags() & QgsProcessingParameterDefinition.FlagHidden:
                continue
            try:
                wrapper = self.wrappers[param.name()]
                if issubclass(wrapper.__class__, WidgetWrapper):
                    val = wrapper.value()
                elif issubclass(wrapper.__class__, QgsProcessingModelerParameterWidget):
                    val = wrapper.value()
                else:
                    val = wrapper.parameterValue()
            except InvalidParameterValue:
                self.bar.pushMessage(self.tr("Error"),
                                     self.tr("Wrong or missing value for parameter '{}'").format(param.description()),
                                     level=Qgis.Warning)
                return None

            if isinstance(val, QgsProcessingModelChildParameterSource):
                val = [val]
            elif not (isinstance(val, list) and all(
                    [isinstance(subval, QgsProcessingModelChildParameterSource) for subval in val])):
                val = [QgsProcessingModelChildParameterSource.fromStaticValue(val)]
            for subval in val:
                if (isinstance(subval, QgsProcessingModelChildParameterSource) and
                    subval.source() == QgsProcessingModelChildParameterSource.StaticValue and
                        not param.checkValueIsAcceptable(subval.staticValue())) \
                        or (subval is None and not param.flags() & QgsProcessingParameterDefinition.FlagOptional):
                    self.bar.pushMessage(self.tr("Error"), self.tr("Wrong or missing value for parameter '{}'").format(
                        param.description()),
                        level=Qgis.Warning)
                    return None
            alg.addParameterSources(param.name(), val)

        outputs = {}
        for dest in self._alg.destinationParameterDefinitions():
            if not dest.flags() & QgsProcessingParameterDefinition.FlagHidden:
                name = self.valueItems[dest.name()].text()
                if name.strip() != '':
                    output = QgsProcessingModelOutput(name, name)
                    output.setChildId(alg.childId())
                    output.setChildOutputName(dest.name())
                    outputs[name] = output

            if dest.flags() & QgsProcessingParameterDefinition.FlagIsModelOutput:
                if dest.name() not in outputs:
                    output = QgsProcessingModelOutput(dest.name(), dest.name())
                    output.setChildId(alg.childId())
                    output.setChildOutputName(dest.name())
                    outputs[dest.name()] = output

        alg.setModelOutputs(outputs)

        selectedOptions = self.dependenciesPanel.selectedoptions
        availableDependencies = self.getAvailableDependencies()  # spellok
        dep_ids = []
        for selected in selectedOptions:
            dep_ids.append(availableDependencies[selected].childId())  # spellok
        alg.setDependencies(dep_ids)

        #try:
        #    self._alg.processBeforeAddingToModeler(alg, self.model)
        #except:
        #    pass

        return alg

    def okPressed(self):
        alg = self.createAlgorithm()
        if alg is not None:
            self.accept()

    def cancelPressed(self):
        self.reject()

    def openHelp(self):
        algHelp = self._alg.helpUrl()
        if not algHelp:
            algHelp = QgsHelp.helpUrl("processing_algs/{}/{}.html#{}".format(
                self._alg.provider().helpId(), self._alg.groupId(), "{}{}".format(self._alg.provider().helpId(), self._alg.name()))).toString()

        if algHelp not in [None, ""]:
            webbrowser.open(algHelp)
class ModelerParameterDefinitionDialog(QDialog):

    def __init__(self, alg, paramType=None, param=None):
        self.alg = alg
        self.paramType = paramType
        self.param = param
        QDialog.__init__(self)
        self.setModal(True)
        self.setupUi()
        settings = QgsSettings()
        self.restoreGeometry(settings.value("/Processing/modelParametersDefinitionDialogGeometry", QByteArray()))

    def closeEvent(self, event):
        settings = QgsSettings()
        settings.setValue("/Processing/modelParametersDefinitionDialogGeometry", self.saveGeometry())
        super(ModelerParameterDefinitionDialog, self).closeEvent(event)

    def setupUi(self):
        self.setWindowTitle(self.tr('Parameter Definition'))
        self.setMinimumWidth(300)

        self.verticalLayout = QVBoxLayout(self)
        self.verticalLayout.setMargin(20)

        self.label = QLabel(self.tr('Parameter name'))
        self.verticalLayout.addWidget(self.label)
        self.nameTextBox = QLineEdit()
        self.verticalLayout.addWidget(self.nameTextBox)

        if isinstance(self.param, QgsProcessingParameterDefinition):
            self.nameTextBox.setText(self.param.description())

        if self.paramType == parameters.PARAMETER_BOOLEAN or \
                isinstance(self.param, QgsProcessingParameterBoolean):
            self.state = QCheckBox()
            self.state.setText(self.tr('Checked'))
            self.state.setChecked(False)
            if self.param is not None:
                self.state.setChecked(bool(self.param.defaultValue()))
            self.verticalLayout.addWidget(self.state)
        elif self.paramType == parameters.PARAMETER_TABLE_FIELD or \
                isinstance(self.param, QgsProcessingParameterField):
            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            idx = 0
            for param in list(self.alg.parameterComponents().values()):
                definition = self.alg.parameterDefinition(param.parameterName())
                if isinstance(definition, (QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer)):
                    self.parentCombo.addItem(definition.description(), definition.name())
                    if self.param is not None:
                        if self.param.parentLayerParameterName() == definition.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)

            # add the datatype selector
            self.verticalLayout.addWidget(QLabel(self.tr('Allowed data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Any'), -1)
            self.datatypeCombo.addItem(self.tr('Number'), 0)
            self.datatypeCombo.addItem(self.tr('String'), 1)
            self.datatypeCombo.addItem(self.tr('Date/time'), 2)
            self.verticalLayout.addWidget(self.datatypeCombo)

            if self.param is not None and self.param.dataType() is not None:
                # QComboBoxes indexes start at 0,
                # self.param.datatype start with -1 that is why I need to do +1
                datatypeIndex = self.param.dataType() + 1
                self.datatypeCombo.setCurrentIndex(datatypeIndex)

            self.multipleCheck = QCheckBox()
            self.multipleCheck.setText(self.tr('Accept multiple fields'))
            self.multipleCheck.setChecked(False)
            if self.param is not None:
                self.multipleCheck.setChecked(self.param.allowMultiple())
            self.verticalLayout.addWidget(self.multipleCheck)

            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setToolTip(
                self.tr('Default field name, or ; separated list of field names for multiple field parameters'))
            if self.param is not None:
                default = self.param.defaultValue()
                if default is not None:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)

        elif self.paramType == parameters.PARAMETER_BAND or \
                isinstance(self.param, QgsProcessingParameterBand):
            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            idx = 0
            for param in list(self.alg.parameterComponents().values()):
                definition = self.alg.parameterDefinition(param.parameterName())
                if isinstance(definition, (QgsProcessingParameterRasterLayer)):
                    self.parentCombo.addItem(definition.description(), definition.name())
                    if self.param is not None:
                        if self.param.parentLayerParameterName() == definition.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)
        elif (self.paramType in (
                parameters.PARAMETER_VECTOR, parameters.PARAMETER_TABLE) or
                isinstance(self.param, (QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer))):
            self.verticalLayout.addWidget(QLabel(self.tr('Geometry type')))
            self.shapetypeCombo = QComboBox()
            self.shapetypeCombo.addItem(self.tr('Geometry Not Required'), QgsProcessing.TypeVector)
            self.shapetypeCombo.addItem(self.tr('Point'), QgsProcessing.TypeVectorPoint)
            self.shapetypeCombo.addItem(self.tr('Line'), QgsProcessing.TypeVectorLine)
            self.shapetypeCombo.addItem(self.tr('Polygon'), QgsProcessing.TypeVectorPolygon)
            self.shapetypeCombo.addItem(self.tr('Any Geometry Type'), QgsProcessing.TypeVectorAnyGeometry)
            if self.param is not None:
                self.shapetypeCombo.setCurrentIndex(self.shapetypeCombo.findData(self.param.dataTypes()[0]))
            self.verticalLayout.addWidget(self.shapetypeCombo)
        elif (self.paramType == parameters.PARAMETER_MULTIPLE or
              isinstance(self.param, QgsProcessingParameterMultipleLayers)):
            self.verticalLayout.addWidget(QLabel(self.tr('Data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Any Map Layer'), QgsProcessing.TypeMapLayer)
            self.datatypeCombo.addItem(self.tr('Vector (No Geometry Required)'), QgsProcessing.TypeVector)
            self.datatypeCombo.addItem(self.tr('Vector (Point)'), QgsProcessing.TypeVectorPoint)
            self.datatypeCombo.addItem(self.tr('Vector (Line)'), QgsProcessing.TypeVectorLine)
            self.datatypeCombo.addItem(self.tr('Vector (Polygon)'), QgsProcessing.TypeVectorPolygon)
            self.datatypeCombo.addItem(self.tr('Vector (Any Geometry Type)'), QgsProcessing.TypeVectorAnyGeometry)
            self.datatypeCombo.addItem(self.tr('Raster'), QgsProcessing.TypeRaster)
            self.datatypeCombo.addItem(self.tr('File'), QgsProcessing.TypeFile)
            if self.param is not None:
                self.datatypeCombo.setCurrentIndex(self.datatypeCombo.findData(self.param.layerType()))
            self.verticalLayout.addWidget(self.datatypeCombo)
        elif (self.paramType == parameters.PARAMETER_NUMBER or self.paramType == parameters.PARAMETER_DISTANCE or
              isinstance(self.param, (QgsProcessingParameterNumber, QgsProcessingParameterDistance))):
            self.verticalLayout.addWidget(QLabel(self.tr('Min value')))
            self.minTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.minTextBox)
            self.verticalLayout.addWidget(QLabel(self.tr('Max value')))
            self.maxTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.maxTextBox)
            if self.param is not None:
                self.minTextBox.setText(str(self.param.minimum()))
                self.maxTextBox.setText(str(self.param.maximum()))
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setText(self.tr('0'))
            if self.param is not None:
                default = self.param.defaultValue()
                if self.param.dataType() == QgsProcessingParameterNumber.Integer:
                    default = int(math.floor(default))
                if default:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == parameters.PARAMETER_EXPRESSION or
              isinstance(self.param, QgsProcessingParameterExpression)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultEdit = QgsExpressionLineEdit()
            if self.param is not None:
                self.defaultEdit.setExpression(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultEdit)

            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            self.parentCombo.addItem(self.tr("None"), None)
            idx = 1
            for param in list(self.alg.parameterComponents().values()):
                definition = self.alg.parameterDefinition(param.parameterName())
                if isinstance(definition, (QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer)):
                    self.parentCombo.addItem(definition.description(), definition.name())
                    if self.param is not None:
                        if self.param.parentLayerParameterName() == definition.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)
        elif (self.paramType == parameters.PARAMETER_STRING or
              isinstance(self.param, QgsProcessingParameterString)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == parameters.PARAMETER_FILE or
              isinstance(self.param, QgsProcessingParameterFile)):
            self.verticalLayout.addWidget(QLabel(self.tr('Type')))
            self.fileFolderCombo = QComboBox()
            self.fileFolderCombo.addItem(self.tr('File'))
            self.fileFolderCombo.addItem(self.tr('Folder'))
            if self.param is not None:
                self.fileFolderCombo.setCurrentIndex(
                    1 if self.param.behavior() == QgsProcessingParameterFile.Folder else 0)
            self.verticalLayout.addWidget(self.fileFolderCombo)
        elif (self.paramType == parameters.PARAMETER_POINT or
              isinstance(self.param, QgsProcessingParameterPoint)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == parameters.PARAMETER_CRS or
              isinstance(self.param, QgsProcessingParameterCrs)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.selector = QgsProjectionSelectionWidget()
            if self.param is not None:
                self.selector.setCrs(QgsCoordinateReferenceSystem(self.param.defaultValue()))
            else:
                self.selector.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
            self.verticalLayout.addWidget(self.selector)
        elif self.paramType == parameters.PARAMETER_ENUM or \
                isinstance(self.param, QgsProcessingParameterEnum):
            self.widget = EnumModelerWidget(self)
            if self.param is not None:
                self.widget.setAllowMultiple(bool(self.param.allowMultiple()))
                self.widget.setOptions(self.param.options())
                self.widget.setDefault(self.param.defaultValue())
            self.verticalLayout.addWidget(self.widget)
        elif self.paramType == parameters.PARAMETER_MATRIX or \
                isinstance(self.param, QgsProcessingParameterMatrix):
            self.widget = MatrixModelerWidget(self)
            if self.param is not None:
                self.widget.setValue(self.param.defaultValue())
                self.widget.setHeaders(self.param.headers())
                self.widget.setFixedRows(self.param.hasFixedNumberRows())
            self.verticalLayout.addWidget(self.widget)

        self.verticalLayout.addSpacing(20)
        self.requiredCheck = QCheckBox()
        self.requiredCheck.setText(self.tr('Mandatory'))
        self.requiredCheck.setChecked(True)
        if self.param is not None:
            self.requiredCheck.setChecked(not self.param.flags() & QgsProcessingParameterDefinition.FlagOptional)
        self.verticalLayout.addWidget(self.requiredCheck)

        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel |
                                          QDialogButtonBox.Ok)
        self.buttonBox.setObjectName('buttonBox')
        self.buttonBox.accepted.connect(self.accept)
        self.buttonBox.rejected.connect(self.reject)

        self.verticalLayout.addStretch()
        self.verticalLayout.addWidget(self.buttonBox)

        self.setLayout(self.verticalLayout)

    def accept(self):
        description = self.nameTextBox.text()
        if description.strip() == '':
            QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                self.tr('Invalid parameter name'))
            return
        if self.param is None:
            validChars = \
                'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
            safeName = ''.join(c for c in description if c in validChars)
            name = safeName.lower()
            i = 2
            while self.alg.parameterDefinition(name):
                name = safeName.lower() + str(i)
                i += 1
        else:
            name = self.param.name()
        if (self.paramType == parameters.PARAMETER_BOOLEAN or
                isinstance(self.param, QgsProcessingParameterBoolean)):
            self.param = QgsProcessingParameterBoolean(name, description, self.state.isChecked())
        elif (self.paramType == parameters.PARAMETER_TABLE_FIELD or
              isinstance(self.param, QgsProcessingParameterField)):
            if self.parentCombo.currentIndex() < 0:
                QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                    self.tr('Wrong or missing parameter values'))
                return
            parent = self.parentCombo.currentData()
            datatype = self.datatypeCombo.currentData()
            default = self.defaultTextBox.text()
            if not default:
                default = None
            self.param = QgsProcessingParameterField(name, description, defaultValue=default,
                                                     parentLayerParameterName=parent, type=datatype,
                                                     allowMultiple=self.multipleCheck.isChecked())
        elif (self.paramType == parameters.PARAMETER_BAND or
              isinstance(self.param, QgsProcessingParameterBand)):
            if self.parentCombo.currentIndex() < 0:
                QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                    self.tr('Wrong or missing parameter values'))
                return
            parent = self.parentCombo.currentData()
            self.param = QgsProcessingParameterBand(name, description, None, parent)
        elif (self.paramType == parameters.PARAMETER_MAP_LAYER or
              isinstance(self.param, QgsProcessingParameterMapLayer)):
            self.param = QgsProcessingParameterMapLayer(
                name, description)
        elif (self.paramType == parameters.PARAMETER_RASTER or
              isinstance(self.param, QgsProcessingParameterRasterLayer)):
            self.param = QgsProcessingParameterRasterLayer(
                name, description)
        elif (self.paramType == parameters.PARAMETER_TABLE or
              isinstance(self.param, QgsProcessingParameterVectorLayer)):
            self.param = QgsProcessingParameterVectorLayer(
                name, description,
                [self.shapetypeCombo.currentData()])
        elif (self.paramType == parameters.PARAMETER_VECTOR or
              isinstance(self.param, QgsProcessingParameterFeatureSource)):
            self.param = QgsProcessingParameterFeatureSource(
                name, description,
                [self.shapetypeCombo.currentData()])
        elif (self.paramType == parameters.PARAMETER_MULTIPLE or
              isinstance(self.param, QgsProcessingParameterMultipleLayers)):
            self.param = QgsProcessingParameterMultipleLayers(
                name, description,
                self.datatypeCombo.currentData())
        elif (self.paramType == parameters.PARAMETER_NUMBER or
              isinstance(self.param, (QgsProcessingParameterNumber, QgsProcessingParameterDistance))):
            try:
                self.param = QgsProcessingParameterNumber(name, description, QgsProcessingParameterNumber.Double,
                                                          self.defaultTextBox.text())
                vmin = self.minTextBox.text().strip()
                if not vmin == '':
                    self.param.setMinimum(float(vmin))
                vmax = self.maxTextBox.text().strip()
                if not vmax == '':
                    self.param.setMaximum(float(vmax))
            except:
                QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                    self.tr('Wrong or missing parameter values'))
                return
        elif (self.paramType == parameters.PARAMETER_EXPRESSION or
              isinstance(self.param, QgsProcessingParameterExpression)):
            parent = self.parentCombo.currentData()
            self.param = QgsProcessingParameterExpression(name, description,
                                                          str(self.defaultEdit.expression()),
                                                          parent)
        elif (self.paramType == parameters.PARAMETER_STRING or
              isinstance(self.param, QgsProcessingParameterString)):
            self.param = QgsProcessingParameterString(name, description,
                                                      str(self.defaultTextBox.text()))
        elif (self.paramType == parameters.PARAMETER_EXTENT or
              isinstance(self.param, QgsProcessingParameterExtent)):
            self.param = QgsProcessingParameterExtent(name, description)
        elif (self.paramType == parameters.PARAMETER_FILE or
              isinstance(self.param, QgsProcessingParameterFile)):
            isFolder = self.fileFolderCombo.currentIndex() == 1
            self.param = QgsProcessingParameterFile(name, description,
                                                    QgsProcessingParameterFile.Folder if isFolder else QgsProcessingParameterFile.File)
        elif (self.paramType == parameters.PARAMETER_POINT or
              isinstance(self.param, QgsProcessingParameterPoint)):
            self.param = QgsProcessingParameterPoint(name, description,
                                                     str(self.defaultTextBox.text()))
        elif (self.paramType == parameters.PARAMETER_CRS or
              isinstance(self.param, QgsProcessingParameterCrs)):
            self.param = QgsProcessingParameterCrs(name, description, self.selector.crs().authid())
        elif (self.paramType == parameters.PARAMETER_ENUM or
                isinstance(self.param, QgsProcessingParameterEnum)):
            self.param = QgsProcessingParameterEnum(name, description, self.widget.options(), self.widget.allowMultiple(), self.widget.defaultOptions())
        elif (self.paramType == parameters.PARAMETER_MATRIX or
                isinstance(self.param, QgsProcessingParameterMatrix)):
            self.param = QgsProcessingParameterMatrix(name, description, hasFixedNumberRows=self.widget.fixedRows(), headers=self.widget.headers(), defaultValue=self.widget.value())
        else:
            if self.paramType:
                typeId = self.paramType
            else:
                typeId = self.param.type()

            paramTypeDef = QgsApplication.instance().processingRegistry().parameterType(typeId)
            if not paramTypeDef:
                msg = self.tr('The parameter `{}` is not registered, are you missing a required plugin?'.format(typeId))
                raise UndefinedParameterException(msg)
            self.param = paramTypeDef.create(name)
            self.param.setDescription(description)
            self.param.setMetadata(paramTypeDef.metadata())

        if not self.requiredCheck.isChecked():
            self.param.setFlags(self.param.flags() | QgsProcessingParameterDefinition.FlagOptional)

        settings = QgsSettings()
        settings.setValue("/Processing/modelParametersDefinitionDialogGeometry", self.saveGeometry())

        QDialog.accept(self)

    def reject(self):
        self.param = None

        settings = QgsSettings()
        settings.setValue("/Processing/modelParametersDefinitionDialogGeometry", self.saveGeometry())

        QDialog.reject(self)
Esempio n. 34
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class AdminUnitSelector(QDialog):
    """
    Generic admin unit manager dialog.
    """
    def __init__(self, parent=None):
        QDialog.__init__(self, parent)
        self.resize(400, 410)

        self.verticalLayout = QVBoxLayout(self)
        self.adminUnitManager = AdminUnitManager(self)
        self.verticalLayout.addWidget(self.adminUnitManager)
        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Close
                                          | QDialogButtonBox.Ok)
        self.verticalLayout.addWidget(self.buttonBox)

        self.selectedAdminUnit = None

        # Connect signals
        self.adminUnitManager.stateChanged.connect(self.onStateChanged)
        self.buttonBox.button(QDialogButtonBox.Ok).clicked.connect(
            self.onAcceptDialog)
        self.buttonBox.button(QDialogButtonBox.Cancel).clicked.connect(
            self.onRejectDialog)
        self.buttonBox.button(QDialogButtonBox.Close).clicked.connect(
            self.onRejectDialog)

    def setManageMode(self, enableManage):
        """
        :param enableManage: True to set the selector to manage mode or false to disable.
        """
        if enableManage:
            self.adminUnitManager.setState(MANAGE)
        else:
            self.adminUnitManager.setState(VIEW)

    def onStateChanged(self, isManageMode):
        '''
        Slot raised when the state of the admin unit manager widget changes
        '''
        if isManageMode:
            self.buttonBox.button(QDialogButtonBox.Ok).setVisible(False)
            self.buttonBox.button(QDialogButtonBox.Cancel).setVisible(False)
            self.buttonBox.button(QDialogButtonBox.Close).setVisible(True)
            title = self.tr('Manage Administrative Units')

        else:
            self.buttonBox.button(QDialogButtonBox.Ok).setVisible(True)
            self.buttonBox.button(QDialogButtonBox.Cancel).setVisible(True)
            self.buttonBox.button(QDialogButtonBox.Close).setVisible(False)
            title = self.tr('Select Administrative Unit')

        self.setWindowTitle(title)

    def onAcceptDialog(self):
        '''
        Slot raised on accepting administrative unit selection.
        This is raised when the dialog is in VIEW mode.
        '''
        self.adminUnitManager.notificationBar().clear()

        self.selectedAdminUnit = self.adminUnitManager.selectedAdministrativeUnit(
        )

        if self.selectedAdminUnit is None:
            msg = self.tr('Please select an administrative unit '
                          'from the list.')
            self.adminUnitManager.notificationBar().insertWarningNotification(
                msg)

        else:
            self.accept()

    def onRejectDialog(self):
        '''
        Slot raised to close the dialog.
        '''
        self.reject()
Esempio n. 35
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class ModelerParametersDialog(QDialog):

    def __init__(self, alg, model, algName=None, configuration=None):
        super().__init__()
        self.setObjectName('ModelerParametersDialog')
        self.setModal(True)

        if iface is not None:
            self.setStyleSheet(iface.mainWindow().styleSheet())

        # dammit this is SUCH as mess... stupid stable API
        self._alg = alg  # The algorithm to define in this dialog. It is an instance of QgsProcessingAlgorithm
        self.model = model  # The model this algorithm is going to be added to. It is an instance of QgsProcessingModelAlgorithm
        self.childId = algName  # The name of the algorithm in the model, in case we are editing it and not defining it for the first time
        self.configuration = configuration
        self.context = createContext()

        self.setWindowTitle(self._alg.displayName())

        self.widget = ModelerParametersWidget(alg, model, algName, configuration, context=self.context, dialog=self)
        QgsGui.enableAutoGeometryRestore(self)

        self.buttonBox = QDialogButtonBox()
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel | QDialogButtonBox.Ok | QDialogButtonBox.Help)

        self.buttonBox.accepted.connect(self.okPressed)
        self.buttonBox.rejected.connect(self.reject)
        self.buttonBox.helpRequested.connect(self.openHelp)

        mainLayout = QVBoxLayout()
        mainLayout.addWidget(self.widget, 1)
        mainLayout.addWidget(self.buttonBox)
        self.setLayout(mainLayout)

    def setComments(self, text):
        self.widget.setComments(text)

    def comments(self):
        return self.widget.comments()

    def setCommentColor(self, color):
        self.widget.setCommentColor(color)

    def commentColor(self):
        return self.widget.commentColor()

    def switchToCommentTab(self):
        self.widget.switchToCommentTab()

    def getAvailableDependencies(self):
        return self.widget.getAvailableDependencies()

    def getDependenciesPanel(self):
        return self.widget.getDependenciesPanel()

    def getAvailableValuesOfType(self, paramType, outTypes=[], dataTypes=[]):
        return self.widget.getAvailableValuesOfType(paramType, outTypes, dataTypes)

    def resolveValueDescription(self, value):
        return self.widget.resolveValueDescription(value)

    def setPreviousValues(self):
        self.widget.setPreviousValues()

    def createAlgorithm(self):
        return self.widget.createAlgorithm()

    def okPressed(self):
        if self.createAlgorithm() is not None:
            self.accept()

    def openHelp(self):
        algHelp = self.widget.algorithm().helpUrl()
        if not algHelp:
            algHelp = QgsHelp.helpUrl("processing_algs/{}/{}.html#{}".format(
                self.widget.algorithm().provider().helpId(), self.algorithm().groupId(),
                "{}{}".format(self.algorithm().provider().helpId(), self.algorithm().name()))).toString()

        if algHelp not in [None, ""]:
            webbrowser.open(algHelp)
Esempio n. 36
0
class ModelerParametersDialog(QDialog):

    ENTER_NAME = '[Enter name if this is a final result]'
    NOT_SELECTED = '[Not selected]'
    USE_MIN_COVERING_EXTENT = '[Use min covering extent]'

    def __init__(self, alg, model, algName=None):
        QDialog.__init__(self)
        self.setModal(True)
        #The algorithm to define in this dialog. It is an instance of GeoAlgorithm
        self._alg = alg
        #The resulting algorithm after the user clicks on OK. it is an instance of the container Algorithm class
        self.alg = None
        #The model this algorithm is going to be added to
        self.model = model
        #The name of the algorithm in the model, in case we are editing it and not defining it for the first time
        self._algName = algName
        self.setupUi()
        self.params = None

    def setupUi(self):
        self.labels = {}
        self.widgets = {}
        self.checkBoxes = {}
        self.showAdvanced = False
        self.valueItems = {}
        self.dependentItems = {}
        self.resize(650, 450)
        self.buttonBox = QDialogButtonBox()
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Ok)
        tooltips = self._alg.getParameterDescriptions()
        self.setSizePolicy(QSizePolicy.Expanding,
                           QSizePolicy.Expanding)
        self.verticalLayout = QVBoxLayout()
        self.verticalLayout.setSpacing(5)
        self.verticalLayout.setMargin(20)

        hLayout = QHBoxLayout()
        hLayout.setSpacing(5)
        hLayout.setMargin(0)
        descriptionLabel = QLabel(self.tr("Description"))
        self.descriptionBox = QLineEdit()
        self.descriptionBox.setText(self._alg.name)
        hLayout.addWidget(descriptionLabel)
        hLayout.addWidget(self.descriptionBox)
        self.verticalLayout.addLayout(hLayout)
        line = QFrame()
        line.setFrameShape(QFrame.HLine)
        line.setFrameShadow(QFrame.Sunken)
        self.verticalLayout.addWidget(line)

        for param in self._alg.parameters:
            if param.isAdvanced:
                self.advancedButton = QPushButton()
                self.advancedButton.setText(self.tr('Show advanced parameters'))
                self.advancedButton.clicked.connect(
                    self.showAdvancedParametersClicked)
                advancedButtonHLayout = QHBoxLayout()
                advancedButtonHLayout.addWidget(self.advancedButton)
                advancedButtonHLayout.addStretch()
                self.verticalLayout.addLayout(advancedButtonHLayout)
                break
        for param in self._alg.parameters:
            if param.hidden:
                continue
            desc = param.description
            if isinstance(param, ParameterExtent):
                desc += self.tr('(xmin, xmax, ymin, ymax)')
            if isinstance(param, ParameterPoint):
                desc += self.tr('(x, y)')
            label = QLabel(desc)
            self.labels[param.name] = label
            widget = self.getWidgetFromParameter(param)
            self.valueItems[param.name] = widget
            if param.name in tooltips.keys():
                tooltip = tooltips[param.name]
            else:
                tooltip = param.description
            label.setToolTip(tooltip)
            widget.setToolTip(tooltip)
            if param.isAdvanced:
                label.setVisible(self.showAdvanced)
                widget.setVisible(self.showAdvanced)
                self.widgets[param.name] = widget
            self.verticalLayout.addWidget(label)
            self.verticalLayout.addWidget(widget)

        for output in self._alg.outputs:
            if output.hidden:
                continue
            if isinstance(output, (OutputRaster, OutputVector, OutputTable,
                                   OutputHTML, OutputFile, OutputDirectory)):
                label = QLabel(output.description + '<'
                               + output.__class__.__name__ + '>')
                item = QLineEdit()
                if hasattr(item, 'setPlaceholderText'):
                    item.setPlaceholderText(ModelerParametersDialog.ENTER_NAME)
                self.verticalLayout.addWidget(label)
                self.verticalLayout.addWidget(item)
                self.valueItems[output.name] = item

        label = QLabel(' ')
        self.verticalLayout.addWidget(label)
        label = QLabel(self.tr('Parent algorithms'))
        self.dependenciesPanel = self.getDependenciesPanel()
        self.verticalLayout.addWidget(label)
        self.verticalLayout.addWidget(self.dependenciesPanel)

        self.verticalLayout.addStretch(1000)
        self.setLayout(self.verticalLayout)

        self.setPreviousValues()
        self.setWindowTitle(self._alg.name)
        self.verticalLayout2 = QVBoxLayout()
        self.verticalLayout2.setSpacing(2)
        self.verticalLayout2.setMargin(0)
        self.tabWidget = QTabWidget()
        self.tabWidget.setMinimumWidth(300)
        self.paramPanel = QWidget()
        self.paramPanel.setLayout(self.verticalLayout)
        self.scrollArea = QScrollArea()
        self.scrollArea.setWidget(self.paramPanel)
        self.scrollArea.setWidgetResizable(True)
        self.tabWidget.addTab(self.scrollArea, self.tr('Parameters'))
        self.webView = QWebView()

        html = None
        url = None
        isText, help = self._alg.help()
        if help is not None:
            if isText:
                html = help
            else:
                url = QUrl(help)
        else:
            html = self.tr('<h2>Sorry, no help is available for this '
                           'algorithm.</h2>')
        try:
            if html:
                self.webView.setHtml(html)
            elif url:
                self.webView.load(url)
        except:
            self.webView.setHtml(self.tr('<h2>Could not open help file :-( </h2>'))
        self.tabWidget.addTab(self.webView, 'Help')
        self.verticalLayout2.addWidget(self.tabWidget)
        self.verticalLayout2.addWidget(self.buttonBox)
        self.setLayout(self.verticalLayout2)
        self.buttonBox.accepted.connect(self.okPressed)
        self.buttonBox.rejected.connect(self.cancelPressed)
        QMetaObject.connectSlotsByName(self)

    def getAvailableDependencies(self):
        if self._algName is None:
            dependent = []
        else:
            dependent = self.model.getDependentAlgorithms(self._algName)
        opts = []
        for alg in self.model.algs.values():
            if alg.name not in dependent:
                opts.append(alg)
        return opts

    def getDependenciesPanel(self):
        return MultipleInputPanel([alg.algorithm.name for alg in self.getAvailableDependencies()])

    def showAdvancedParametersClicked(self):
        self.showAdvanced = not self.showAdvanced
        if self.showAdvanced:
            self.advancedButton.setText(self.tr('Hide advanced parameters'))
        else:
            self.advancedButton.setText(self.tr('Show advanced parameters'))
        for param in self._alg.parameters:
            if param.isAdvanced:
                self.labels[param.name].setVisible(self.showAdvanced)
                self.widgets[param.name].setVisible(self.showAdvanced)

    def getAvailableValuesOfType(self, paramType, outType=None):
        values = []
        inputs = self.model.inputs
        for i in inputs.values():
            param = i.param
            if isinstance(param, paramType):
                values.append(ValueFromInput(param.name))
        if outType is None:
            return values
        if self._algName is None:
            dependent = []
        else:
            dependent = self.model.getDependentAlgorithms(self._algName)
        for alg in self.model.algs.values():
            if alg.name not in dependent:
                for out in alg.algorithm.outputs:
                    if isinstance(out, outType):
                        values.append(ValueFromOutput(alg.name, out.name))

        return values

    def resolveValueDescription(self, value):
        if isinstance(value, ValueFromInput):
            return self.model.inputs[value.name].param.description
        else:
            alg = self.model.algs[value.alg]
            return self.tr("'%s' from algorithm '%s'") % (alg.algorithm.getOutputFromName(value.output).description, alg.description)

    def getWidgetFromParameter(self, param):
        if isinstance(param, ParameterRaster):
            item = QComboBox()
            layers = self.getAvailableValuesOfType(ParameterRaster, OutputRaster)
            if param.optional:
                item.addItem(self.NOT_SELECTED, None)
            for layer in layers:
                item.addItem(self.resolveValueDescription(layer), layer)
        elif isinstance(param, ParameterVector):
            item = QComboBox()
            layers = self.getAvailableValuesOfType(ParameterVector, OutputVector)
            if param.optional:
                item.addItem(self.NOT_SELECTED, None)
            for layer in layers:
                item.addItem(self.resolveValueDescription(layer), layer)
        elif isinstance(param, ParameterTable):
            item = QComboBox()
            tables = self.getAvailableValuesOfType(ParameterTable, OutputTable)
            layers = self.getAvailableValuesOfType(ParameterVector, OutputVector)
            if param.optional:
                item.addItem(self.NOT_SELECTED, None)
            for table in tables:
                item.addItem(self.resolveValueDescription(table), table)
            for layer in layers:
                item.addItem(self.resolveValueDescription(layer), layer)
        elif isinstance(param, ParameterBoolean):
            item = QComboBox()
            item.addItem('Yes')
            item.addItem('No')
            bools = self.getAvailableValuesOfType(ParameterBoolean, None)
            for b in bools:
                item.addItem(self.resolveValueDescription(b), b)
            if param.default:
                item.setCurrentIndex(0)
            else:
                item.setCurrentIndex(1)
        elif isinstance(param, ParameterSelection):
            item = QComboBox()
            item.addItems(param.options)
            item.setCurrentIndex(param.default or 1)
        elif isinstance(param, ParameterFixedTable):
            item = FixedTablePanel(param)
        elif isinstance(param, ParameterRange):
            item = RangePanel(param)
        elif isinstance(param, ParameterMultipleInput):
            if param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
                options = self.getAvailableValuesOfType(ParameterVector, OutputVector)
            else:
                options = self.getAvailableValuesOfType(ParameterRaster, OutputRaster)
            opts = []
            for opt in options:
                opts.append(self.resolveValueDescription(opt))
            item = MultipleInputPanel(opts)
        elif isinstance(param, ParameterString):
            strings = self.getAvailableValuesOfType(ParameterString, OutputString)
            options = [(self.resolveValueDescription(s), s) for s in strings]
            if param.multiline:
                item = MultilineTextPanel(options)
                item.setText(unicode(param.default or ""))
            else:
                item = QComboBox()
                item.setEditable(True)
                for desc, val in options:
                    item.addItem(desc, val)
                item.setEditText(unicode(param.default or ""))
        elif isinstance(param, ParameterTableField):
            item = QComboBox()
            item.setEditable(True)
            fields = self.getAvailableValuesOfType(ParameterTableField, None)
            for f in fields:
                item.addItem(self.resolveValueDescription(f), f)
        elif isinstance(param, ParameterNumber):
            item = QComboBox()
            item.setEditable(True)
            numbers = self.getAvailableValuesOfType(ParameterNumber, OutputNumber)
            for n in numbers:
                item.addItem(self.resolveValueDescription(n), n)
            item.setEditText(unicode(param.default))
        elif isinstance(param, ParameterCrs):
            item = CrsSelectionPanel(param.default)
        elif isinstance(param, ParameterExtent):
            item = QComboBox()
            item.setEditable(True)
            extents = self.getAvailableValuesOfType(ParameterExtent, OutputExtent)
            if self.canUseAutoExtent():
                item.addItem(self.USE_MIN_COVERING_EXTENT, None)
            for ex in extents:
                item.addItem(self.resolveValueDescription(ex), ex)
            if not self.canUseAutoExtent():
                item.setEditText(unicode(param.default))
        elif isinstance(param, ParameterPoint):
            item = QComboBox()
            item.setEditable(True)
            points = self.getAvailableValuesOfType(ParameterPoint)
            for p in points:
                item.addItem(self.resolveValueDescription(p), p)
            item.setEditText(unicode(param.default))
        elif isinstance(param, ParameterFile):
            item = QComboBox()
            item.setEditable(True)
            files = self.getAvailableValuesOfType(ParameterFile, OutputFile)
            for f in files:
                item.addItem(self.resolveValueDescription(f), f)
        elif isinstance(param, ParameterGeometryPredicate):
            item = GeometryPredicateSelectionPanel(param.enabledPredicates)
        else:
            item = QLineEdit()
            try:
                item.setText(unicode(param.default))
            except:
                pass
        return item

    def canUseAutoExtent(self):
        for param in self._alg.parameters:
            if isinstance(param, (ParameterRaster, ParameterVector, ParameterMultipleInput)):
                return True
        return False

    def setTableContent(self):
        params = self._alg.parameters
        outputs = self._alg.outputs
        visibleParams = [p for p in params if not p.hidden]
        visibleOutputs = [p for o in outputs if not o.hidden]
        self.tableWidget.setRowCount(len(visibleParams) + len(visibleOutputs))

        for i, param in visibleParams:
            item = QTableWidgetItem(param.description)
            item.setFlags(Qt.ItemIsEnabled)
            self.tableWidget.setItem(i, 0, item)
            item = self.getWidgetFromParameter(param)
            self.valueItems[param.name] = item
            self.tableWidget.setCellWidget(i, 1, item)
            self.tableWidget.setRowHeight(i, 22)

        for i, output in visibleOutputs:
            item = QTableWidgetItem(output.description + '<'
                                    + output.__module__.split('.')[-1] + '>')
            item.setFlags(Qt.ItemIsEnabled)
            self.tableWidget.setItem(i, 0, item)
            item = QLineEdit()
            if hasattr(item, 'setPlaceholderText'):
                item.setPlaceholderText(ModelerParametersDialog.ENTER_NAME)
            self.valueItems[output.name] = item
            self.tableWidget.setCellWidget(i, 1, item)
            self.tableWidget.setRowHeight(i, 22)

    def setComboBoxValue(self, combo, value, param):
        if isinstance(value, list):
            value = value[0]
        items = [combo.itemData(i) for i in range(combo.count())]
        try:
            idx = items.index(value)
            combo.setCurrentIndex(idx)
            return
        except ValueError:
            pass
        if combo.isEditable():
            if value is not None:
                combo.setEditText(unicode(value))
        elif isinstance(param, ParameterSelection):
            combo.setCurrentIndex(int(value))
        elif isinstance(param, ParameterBoolean):
            if value:
                combo.setCurrentIndex(0)
            else:
                combo.setCurrentIndex(1)

    def setPreviousValues(self):
        if self._algName is not None:
            alg = self.model.algs[self._algName]
            self.descriptionBox.setText(alg.description)
            for param in alg.algorithm.parameters:
                if param.hidden:
                    continue
                widget = self.valueItems[param.name]
                if param.name in alg.params:
                    value = alg.params[param.name]
                else:
                    value = param.default
                if isinstance(param, (
                        ParameterRaster,
                        ParameterVector,
                        ParameterTable,
                        ParameterTableField,
                        ParameterSelection,
                        ParameterNumber,
                        ParameterBoolean,
                        ParameterExtent,
                        ParameterFile,
                        ParameterPoint
                )):
                    self.setComboBoxValue(widget, value, param)
                elif isinstance(param, ParameterString):
                    if param.multiline:
                        widget.setValue(value)
                    else:
                        self.setComboBoxValue(widget, value, param)
                elif isinstance(param, ParameterCrs):
                    widget.setAuthId(value)
                elif isinstance(param, ParameterFixedTable):
                    pass  # TODO!
                elif isinstance(param, ParameterMultipleInput):
                    if param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
                        options = self.getAvailableValuesOfType(ParameterVector, OutputVector)
                    else:
                        options = self.getAvailableValuesOfType(ParameterRaster, OutputRaster)
                    selected = []
                    for i, opt in enumerate(options):
                        if opt in value:
                            selected.append(i)
                    widget.setSelectedItems(selected)
                elif isinstance(param, ParameterGeometryPredicate):
                    widget.setValue(value)

            for name, out in alg.outputs.iteritems():
                widget = self.valueItems[name].setText(out.description)

            selected = []
            dependencies = self.getAvailableDependencies()
            for idx, dependency in enumerate(dependencies):
                if dependency.name in alg.dependencies:
                    selected.append(idx)

            self.dependenciesPanel.setSelectedItems(selected)

    def createAlgorithm(self):
        alg = Algorithm(self._alg.commandLineName())
        alg.setName(self.model)
        alg.description = self.descriptionBox.text()
        params = self._alg.parameters
        outputs = self._alg.outputs
        for param in params:
            if param.hidden:
                continue
            if not self.setParamValue(alg, param, self.valueItems[param.name]):
                return None
        for output in outputs:
            if not output.hidden:
                name = unicode(self.valueItems[output.name].text())
                if name.strip() != '' and name != ModelerParametersDialog.ENTER_NAME:
                    alg.outputs[output.name] = ModelerOutput(name)

        selectedOptions = self.dependenciesPanel.selectedoptions
        availableDependencies = self.getAvailableDependencies()
        for selected in selectedOptions:
            alg.dependencies.append(availableDependencies[selected].name)

        return alg

    def setParamValueLayerOrTable(self, alg, param, widget):
        idx = widget.currentIndex()
        if idx < 0:
            return False
        else:
            value = widget.itemData(widget.currentIndex())
            alg.params[param.name] = value
            return True

    def setParamTableFieldValue(self, alg, param, widget):
        idx = widget.findText(widget.currentText())
        if idx < 0:
            s = unicode(widget.currentText()).strip()
            if s == '':
                if param.optional:
                    alg.params[param.name] = None
                    return True
                else:
                    return False
            else:
                alg.params[param.name] = s
                return True
        else:
            alg.params[param.name] = widget.itemData(widget.currentIndex())
        return True

    def setParamStringValue(self, alg, param, widget):
        if param.multiline:
            value = widget.getValue()
            option = widget.getOption()
            if option == MultilineTextPanel.USE_TEXT:
                if value == '':
                    if param.optional:
                        alg.params[param.name] = None
                        return True
                    else:
                        return False
                else:
                    alg.params[param.name] = value
            else:
                alg.params[param.name] = value
        else:
            idx = widget.findText(widget.currentText())
            if idx < 0:
                value = widget.currentText().strip()
                if value == '':
                    if param.optional:
                        alg.params[param.name] = None
                        return True
                    else:
                        return False
                else:
                    alg.params[param.name] = value
            else:
                alg.params[param.name] = widget.itemData(widget.currentIndex())
        return True

    def setParamFileValue(self, alg, param, widget):
        idx = widget.findText(widget.currentText())
        if idx < 0:
            value = widget.currentText()
        else:
            value = widget.itemData(widget.currentIndex())
        alg.params[param.name] = value
        return True

    def setParamNumberValue(self, alg, param, widget):
        idx = widget.findText(widget.currentText())
        if idx < 0:
            s = widget.currentText().strip()
            if s:
                try:
                    value = float(s)
                except:
                    return False
            elif param.optional:
                value = None
            else:
                return False
        else:
            value = widget.itemData(widget.currentIndex())
        alg.params[param.name] = value
        return True

    def setParamExtentValue(self, alg, param, widget):
        idx = widget.findText(widget.currentText())
        if idx < 0:
            s = unicode(widget.currentText()).strip()
            if s:
                try:
                    tokens = s.split(',')
                    if len(tokens) != 4:
                        return False
                    for token in tokens:
                        float(token)
                except:
                    return False
            elif param.optional:
                s = None
            else:
                return False
            alg.params[param.name] = [s]
        else:
            value = widget.itemData(widget.currentIndex())
            alg.params[param.name] = value
        return True

    def setParamPointValue(self, alg, param, widget):
        idx = widget.findText(widget.currentText())
        if idx < 0:
            s = unicode(widget.currentText()).strip()
            if s:
                try:
                    tokens = s.split(',')
                    if len(tokens) != 2:
                        return False
                    for token in tokens:
                        float(token)
                except:
                    return False
            elif param.optional:
                s = None
            else:
                return False
            alg.params[param.name] = [s]
        else:
            value = widget.itemData(widget.currentIndex())
            alg.params[param.name] = value
        return True

    def setParamValue(self, alg, param, widget):
        if isinstance(param, (ParameterRaster, ParameterVector,
                              ParameterTable)):
            return self.setParamValueLayerOrTable(alg, param, widget)
        elif isinstance(param, ParameterBoolean):
            if widget.currentIndex() < 2:
                value = widget.currentIndex() == 0
            else:
                value = widget.itemData(widget.currentIndex())
            alg.params[param.name] = value
            return True
        elif isinstance(param, ParameterString):
            return self.setParamStringValue(alg, param, widget)
        elif isinstance(param, ParameterNumber):
            return self.setParamNumberValue(alg, param, widget)
        elif isinstance(param, ParameterExtent):
            return self.setParamExtentValue(alg, param, widget)
        elif isinstance(param, ParameterPoint):
            return self.setParamPointValue(alg, param, widget)
        elif isinstance(param, ParameterFile):
            return self.setParamFileValue(alg, param, widget)
        elif isinstance(param, ParameterSelection):
            alg.params[param.name] = widget.currentIndex()
            return True
        elif isinstance(param, ParameterRange):
            alg.params[param.name] = widget.getValue()
            return True
        elif isinstance(param, ParameterCrs):
            authid = widget.getValue()
            if authid is None and not param.optional:
                return False
            alg.params[param.name] = authid
            return True
        elif isinstance(param, ParameterFixedTable):
            table = widget.table
            if not bool(table) and not param.optional:
                return False
            alg.params[param.name] = ParameterFixedTable.tableToString(table)
            return True
        elif isinstance(param, ParameterTableField):
            return self.setParamTableFieldValue(alg, param, widget)
        elif isinstance(param, ParameterMultipleInput):
            if param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
                options = self.getAvailableValuesOfType(ParameterVector, OutputVector)
            else:
                options = self.getAvailableValuesOfType(ParameterRaster, OutputRaster)
            values = [options[i] for i in widget.selectedoptions]
            if len(values) == 0 and not param.optional:
                return False
            alg.params[param.name] = values
            return True
        elif isinstance(param, ParameterGeometryPredicate):
            alg.params[param.name] = widget.value()
            return True
        else:
            alg.params[param.name] = unicode(widget.text())
            return True

    def okPressed(self):
        self.alg = self.createAlgorithm()
        if self.alg is not None:
            self.close()
        else:
            QMessageBox.warning(self, self.tr('Unable to add algorithm'),
                                self.tr('Wrong or missing parameter values'))

    def cancelPressed(self):
        self.alg = None
        self.close()
class ModelerParameterDefinitionDialog(QDialog):
    def __init__(self, alg, paramType=None, param=None):
        self.alg = alg
        self.paramType = paramType
        self.param = param
        QDialog.__init__(self)
        self.setModal(True)
        self.setupUi()
        settings = QgsSettings()
        self.restoreGeometry(
            settings.value(
                "/Processing/modelParametersDefinitionDialogGeometry",
                QByteArray()))

    def closeEvent(self, event):
        settings = QgsSettings()
        settings.setValue(
            "/Processing/modelParametersDefinitionDialogGeometry",
            self.saveGeometry())
        super(ModelerParameterDefinitionDialog, self).closeEvent(event)

    def setupUi(self):
        self.setWindowTitle(self.tr('Parameter Definition'))
        self.setMinimumWidth(300)

        self.verticalLayout = QVBoxLayout(self)
        self.verticalLayout.setMargin(20)

        self.label = QLabel(self.tr('Parameter name'))
        self.verticalLayout.addWidget(self.label)
        self.nameTextBox = QLineEdit()
        self.verticalLayout.addWidget(self.nameTextBox)

        if isinstance(self.param, QgsProcessingParameterDefinition):
            self.nameTextBox.setText(self.param.description())

        if self.paramType == parameters.PARAMETER_BOOLEAN or \
                isinstance(self.param, QgsProcessingParameterBoolean):
            self.state = QCheckBox()
            self.state.setText(self.tr('Checked'))
            self.state.setChecked(False)
            if self.param is not None:
                self.state.setChecked(bool(self.param.defaultValue()))
            self.verticalLayout.addWidget(self.state)
        elif self.paramType == parameters.PARAMETER_TABLE_FIELD or \
                isinstance(self.param, QgsProcessingParameterField):
            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            idx = 0
            for param in list(self.alg.parameterComponents().values()):
                definition = self.alg.parameterDefinition(
                    param.parameterName())
                if isinstance(definition, (QgsProcessingParameterFeatureSource,
                                           QgsProcessingParameterVectorLayer)):
                    self.parentCombo.addItem(definition.description(),
                                             definition.name())
                    if self.param is not None:
                        if self.param.parentLayerParameterName(
                        ) == definition.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)

            # add the datatype selector
            self.verticalLayout.addWidget(QLabel(self.tr('Allowed data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Any'), -1)
            self.datatypeCombo.addItem(self.tr('Number'), 0)
            self.datatypeCombo.addItem(self.tr('String'), 1)
            self.datatypeCombo.addItem(self.tr('Date/time'), 2)
            self.verticalLayout.addWidget(self.datatypeCombo)

            if self.param is not None and self.param.dataType() is not None:
                # QComboBoxes indexes start at 0,
                # self.param.datatype start with -1 that is why I need to do +1
                datatypeIndex = self.param.dataType() + 1
                self.datatypeCombo.setCurrentIndex(datatypeIndex)

            self.multipleCheck = QCheckBox()
            self.multipleCheck.setText(self.tr('Accept multiple fields'))
            self.multipleCheck.setChecked(False)
            if self.param is not None:
                self.multipleCheck.setChecked(self.param.allowMultiple())
            self.verticalLayout.addWidget(self.multipleCheck)

            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setToolTip(
                self.
                tr('Default field name, or ; separated list of field names for multiple field parameters'
                   ))
            if self.param is not None:
                default = self.param.defaultValue()
                if default is not None:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)

        elif self.paramType == parameters.PARAMETER_BAND or \
                isinstance(self.param, QgsProcessingParameterBand):
            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            idx = 0
            for param in list(self.alg.parameterComponents().values()):
                definition = self.alg.parameterDefinition(
                    param.parameterName())
                if isinstance(definition, (QgsProcessingParameterRasterLayer)):
                    self.parentCombo.addItem(definition.description(),
                                             definition.name())
                    if self.param is not None:
                        if self.param.parentLayerParameterName(
                        ) == definition.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)
        elif (self.paramType
              in (parameters.PARAMETER_VECTOR, parameters.PARAMETER_TABLE)
              or isinstance(self.param, (QgsProcessingParameterFeatureSource,
                                         QgsProcessingParameterVectorLayer))):
            self.verticalLayout.addWidget(QLabel(self.tr('Geometry type')))
            self.shapetypeCombo = QComboBox()
            self.shapetypeCombo.addItem(self.tr('Geometry Not Required'),
                                        QgsProcessing.TypeVector)
            self.shapetypeCombo.addItem(self.tr('Point'),
                                        QgsProcessing.TypeVectorPoint)
            self.shapetypeCombo.addItem(self.tr('Line'),
                                        QgsProcessing.TypeVectorLine)
            self.shapetypeCombo.addItem(self.tr('Polygon'),
                                        QgsProcessing.TypeVectorPolygon)
            self.shapetypeCombo.addItem(self.tr('Any Geometry Type'),
                                        QgsProcessing.TypeVectorAnyGeometry)
            if self.param is not None:
                self.shapetypeCombo.setCurrentIndex(
                    self.shapetypeCombo.findData(self.param.dataTypes()[0]))
            self.verticalLayout.addWidget(self.shapetypeCombo)
        elif (self.paramType == parameters.PARAMETER_MULTIPLE
              or isinstance(self.param, QgsProcessingParameterMultipleLayers)):
            self.verticalLayout.addWidget(QLabel(self.tr('Data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Any Map Layer'),
                                       QgsProcessing.TypeMapLayer)
            self.datatypeCombo.addItem(
                self.tr('Vector (No Geometry Required)'),
                QgsProcessing.TypeVector)
            self.datatypeCombo.addItem(self.tr('Vector (Point)'),
                                       QgsProcessing.TypeVectorPoint)
            self.datatypeCombo.addItem(self.tr('Vector (Line)'),
                                       QgsProcessing.TypeVectorLine)
            self.datatypeCombo.addItem(self.tr('Vector (Polygon)'),
                                       QgsProcessing.TypeVectorPolygon)
            self.datatypeCombo.addItem(self.tr('Vector (Any Geometry Type)'),
                                       QgsProcessing.TypeVectorAnyGeometry)
            self.datatypeCombo.addItem(self.tr('Raster'),
                                       QgsProcessing.TypeRaster)
            self.datatypeCombo.addItem(self.tr('File'), QgsProcessing.TypeFile)
            if self.param is not None:
                self.datatypeCombo.setCurrentIndex(
                    self.datatypeCombo.findData(self.param.layerType()))
            self.verticalLayout.addWidget(self.datatypeCombo)
        elif (self.paramType == parameters.PARAMETER_NUMBER
              or self.paramType == parameters.PARAMETER_DISTANCE
              or isinstance(self.param, (QgsProcessingParameterNumber,
                                         QgsProcessingParameterDistance))):
            self.verticalLayout.addWidget(QLabel(self.tr('Min value')))
            self.minTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.minTextBox)
            self.verticalLayout.addWidget(QLabel(self.tr('Max value')))
            self.maxTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.maxTextBox)
            if self.param is not None:
                self.minTextBox.setText(str(self.param.minimum()))
                self.maxTextBox.setText(str(self.param.maximum()))
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setText(self.tr('0'))
            if self.param is not None:
                default = self.param.defaultValue()
                if self.param.dataType(
                ) == QgsProcessingParameterNumber.Integer:
                    default = int(math.floor(default))
                if default:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == parameters.PARAMETER_EXPRESSION
              or isinstance(self.param, QgsProcessingParameterExpression)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultEdit = QgsExpressionLineEdit()
            if self.param is not None:
                self.defaultEdit.setExpression(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultEdit)

            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            self.parentCombo.addItem(self.tr("None"), None)
            idx = 1
            for param in list(self.alg.parameterComponents().values()):
                definition = self.alg.parameterDefinition(
                    param.parameterName())
                if isinstance(definition, (QgsProcessingParameterFeatureSource,
                                           QgsProcessingParameterVectorLayer)):
                    self.parentCombo.addItem(definition.description(),
                                             definition.name())
                    if self.param is not None:
                        if self.param.parentLayerParameterName(
                        ) == definition.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)
        elif (self.paramType == parameters.PARAMETER_STRING
              or isinstance(self.param, QgsProcessingParameterString)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == parameters.PARAMETER_FILE
              or isinstance(self.param, QgsProcessingParameterFile)):
            self.verticalLayout.addWidget(QLabel(self.tr('Type')))
            self.fileFolderCombo = QComboBox()
            self.fileFolderCombo.addItem(self.tr('File'))
            self.fileFolderCombo.addItem(self.tr('Folder'))
            if self.param is not None:
                self.fileFolderCombo.setCurrentIndex(1 if self.param.behavior(
                ) == QgsProcessingParameterFile.Folder else 0)
            self.verticalLayout.addWidget(self.fileFolderCombo)
        elif (self.paramType == parameters.PARAMETER_POINT
              or isinstance(self.param, QgsProcessingParameterPoint)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == parameters.PARAMETER_CRS
              or isinstance(self.param, QgsProcessingParameterCrs)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.selector = QgsProjectionSelectionWidget()
            if self.param is not None:
                self.selector.setCrs(
                    QgsCoordinateReferenceSystem(self.param.defaultValue()))
            else:
                self.selector.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
            self.verticalLayout.addWidget(self.selector)
        elif self.paramType == parameters.PARAMETER_ENUM or \
                isinstance(self.param, QgsProcessingParameterEnum):
            self.widget = EnumModelerWidget(self)
            if self.param is not None:
                self.widget.setAllowMultiple(bool(self.param.allowMultiple()))
                self.widget.setOptions(self.param.options())
                self.widget.setDefault(self.param.defaultValue())
            self.verticalLayout.addWidget(self.widget)
        elif self.paramType == parameters.PARAMETER_MATRIX or \
                isinstance(self.param, QgsProcessingParameterMatrix):
            self.widget = MatrixModelerWidget(self)
            if self.param is not None:
                self.widget.setValue(self.param.headers(),
                                     self.param.defaultValue())
                self.widget.setFixedRows(self.param.hasFixedNumberRows())
            self.verticalLayout.addWidget(self.widget)

        elif isinstance(self.param, QgsProcessingDestinationParameter):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultWidget = DestinationSelectionPanel(
                self.param, self.alg, default_selection=True)
            self.verticalLayout.addWidget(self.defaultWidget)

        self.verticalLayout.addSpacing(20)
        self.requiredCheck = QCheckBox()
        self.requiredCheck.setText(self.tr('Mandatory'))
        self.requiredCheck.setChecked(True)
        if self.param is not None:
            self.requiredCheck.setChecked(
                not self.param.flags()
                & QgsProcessingParameterDefinition.FlagOptional)
        self.verticalLayout.addWidget(self.requiredCheck)

        # If child algorithm output is mandatory, disable checkbox
        if isinstance(self.param, QgsProcessingDestinationParameter):
            provider_name, child_name, output_name = self.param.name().split(
                ':')
            child = self.alg.childAlgorithms()['{}:{}'.format(
                provider_name, child_name)]
            model_output = child.modelOutput(output_name)
            param_def = child.algorithm().parameterDefinition(
                model_output.childOutputName())
            if not (param_def.flags()
                    & QgsProcessingParameterDefinition.FlagOptional):
                self.requiredCheck.setEnabled(False)
                self.requiredCheck.setChecked(True)

        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Ok)
        self.buttonBox.setObjectName('buttonBox')
        self.buttonBox.accepted.connect(self.accept)
        self.buttonBox.rejected.connect(self.reject)

        self.verticalLayout.addStretch()
        self.verticalLayout.addWidget(self.buttonBox)

        self.setLayout(self.verticalLayout)

    def accept(self):
        description = self.nameTextBox.text()
        if description.strip() == '':
            QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                self.tr('Invalid parameter name'))
            return
        if self.param is None:
            validChars = \
                'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
            safeName = ''.join(c for c in description if c in validChars)
            name = safeName.lower()
            i = 2
            while self.alg.parameterDefinition(name):
                name = safeName.lower() + str(i)
                i += 1
        else:
            name = self.param.name()
        if (self.paramType == parameters.PARAMETER_BOOLEAN
                or isinstance(self.param, QgsProcessingParameterBoolean)):
            self.param = QgsProcessingParameterBoolean(name, description,
                                                       self.state.isChecked())
        elif (self.paramType == parameters.PARAMETER_TABLE_FIELD
              or isinstance(self.param, QgsProcessingParameterField)):
            if self.parentCombo.currentIndex() < 0:
                QMessageBox.warning(
                    self, self.tr('Unable to define parameter'),
                    self.tr('Wrong or missing parameter values'))
                return
            parent = self.parentCombo.currentData()
            datatype = self.datatypeCombo.currentData()
            default = self.defaultTextBox.text()
            if not default:
                default = None
            self.param = QgsProcessingParameterField(
                name,
                description,
                defaultValue=default,
                parentLayerParameterName=parent,
                type=datatype,
                allowMultiple=self.multipleCheck.isChecked())
        elif (self.paramType == parameters.PARAMETER_BAND
              or isinstance(self.param, QgsProcessingParameterBand)):
            if self.parentCombo.currentIndex() < 0:
                QMessageBox.warning(
                    self, self.tr('Unable to define parameter'),
                    self.tr('Wrong or missing parameter values'))
                return
            parent = self.parentCombo.currentData()
            self.param = QgsProcessingParameterBand(name, description, None,
                                                    parent)
        elif (self.paramType == parameters.PARAMETER_MAP_LAYER
              or isinstance(self.param, QgsProcessingParameterMapLayer)):
            self.param = QgsProcessingParameterMapLayer(name, description)
        elif (self.paramType == parameters.PARAMETER_RASTER
              or isinstance(self.param, QgsProcessingParameterRasterLayer)):
            self.param = QgsProcessingParameterRasterLayer(name, description)
        elif (self.paramType == parameters.PARAMETER_TABLE
              or isinstance(self.param, QgsProcessingParameterVectorLayer)):
            self.param = QgsProcessingParameterVectorLayer(
                name, description, [self.shapetypeCombo.currentData()])
        elif (self.paramType == parameters.PARAMETER_VECTOR
              or isinstance(self.param, QgsProcessingParameterFeatureSource)):
            self.param = QgsProcessingParameterFeatureSource(
                name, description, [self.shapetypeCombo.currentData()])
        elif (self.paramType == parameters.PARAMETER_MULTIPLE
              or isinstance(self.param, QgsProcessingParameterMultipleLayers)):
            self.param = QgsProcessingParameterMultipleLayers(
                name, description, self.datatypeCombo.currentData())
        elif (self.paramType == parameters.PARAMETER_NUMBER or isinstance(
                self.param,
            (QgsProcessingParameterNumber, QgsProcessingParameterDistance))):
            try:
                self.param = QgsProcessingParameterNumber(
                    name, description, QgsProcessingParameterNumber.Double,
                    self.defaultTextBox.text())
                vmin = self.minTextBox.text().strip()
                if not vmin == '':
                    self.param.setMinimum(float(vmin))
                vmax = self.maxTextBox.text().strip()
                if not vmax == '':
                    self.param.setMaximum(float(vmax))
            except:
                QMessageBox.warning(
                    self, self.tr('Unable to define parameter'),
                    self.tr('Wrong or missing parameter values'))
                return
        elif (self.paramType == parameters.PARAMETER_EXPRESSION
              or isinstance(self.param, QgsProcessingParameterExpression)):
            parent = self.parentCombo.currentData()
            self.param = QgsProcessingParameterExpression(
                name, description, str(self.defaultEdit.expression()), parent)
        elif (self.paramType == parameters.PARAMETER_STRING
              or isinstance(self.param, QgsProcessingParameterString)):
            self.param = QgsProcessingParameterString(
                name, description, str(self.defaultTextBox.text()))
        elif (self.paramType == parameters.PARAMETER_EXTENT
              or isinstance(self.param, QgsProcessingParameterExtent)):
            self.param = QgsProcessingParameterExtent(name, description)
        elif (self.paramType == parameters.PARAMETER_FILE
              or isinstance(self.param, QgsProcessingParameterFile)):
            isFolder = self.fileFolderCombo.currentIndex() == 1
            self.param = QgsProcessingParameterFile(
                name, description, QgsProcessingParameterFile.Folder
                if isFolder else QgsProcessingParameterFile.File)
        elif (self.paramType == parameters.PARAMETER_POINT
              or isinstance(self.param, QgsProcessingParameterPoint)):
            self.param = QgsProcessingParameterPoint(
                name, description, str(self.defaultTextBox.text()))
        elif (self.paramType == parameters.PARAMETER_CRS
              or isinstance(self.param, QgsProcessingParameterCrs)):
            self.param = QgsProcessingParameterCrs(
                name, description,
                self.selector.crs().authid())
        elif (self.paramType == parameters.PARAMETER_ENUM
              or isinstance(self.param, QgsProcessingParameterEnum)):
            self.param = QgsProcessingParameterEnum(
                name, description, self.widget.options(),
                self.widget.allowMultiple(), self.widget.defaultOptions())
        elif (self.paramType == parameters.PARAMETER_MATRIX
              or isinstance(self.param, QgsProcessingParameterMatrix)):
            self.param = QgsProcessingParameterMatrix(
                name,
                description,
                hasFixedNumberRows=self.widget.fixedRows(),
                headers=self.widget.headers(),
                defaultValue=self.widget.value())

        # Destination parameter
        elif (isinstance(self.param, QgsProcessingParameterFeatureSink)):
            self.param = QgsProcessingParameterFeatureSink(
                name=name,
                description=self.param.description(),
                type=self.param.dataType(),
                defaultValue=self.defaultWidget.getValue())
        elif (isinstance(self.param, QgsProcessingParameterFileDestination)):
            self.param = QgsProcessingParameterFileDestination(
                name=name,
                description=self.param.description(),
                fileFilter=self.param.fileFilter(),
                defaultValue=self.defaultWidget.getValue())
        elif (isinstance(self.param, QgsProcessingParameterFolderDestination)):
            self.param = QgsProcessingParameterFolderDestination(
                name=name,
                description=self.param.description(),
                defaultValue=self.defaultWidget.getValue())
        elif (isinstance(self.param, QgsProcessingParameterRasterDestination)):
            self.param = QgsProcessingParameterRasterDestination(
                name=name,
                description=self.param.description(),
                defaultValue=self.defaultWidget.getValue())
        elif (isinstance(self.param, QgsProcessingParameterVectorDestination)):
            self.param = QgsProcessingParameterVectorDestination(
                name=name,
                description=self.param.description(),
                type=self.param.dataType(),
                defaultValue=self.defaultWidget.getValue())

        else:
            if self.paramType:
                typeId = self.paramType
            else:
                typeId = self.param.type()

            paramTypeDef = QgsApplication.instance().processingRegistry(
            ).parameterType(typeId)
            if not paramTypeDef:
                msg = self.tr(
                    'The parameter `{}` is not registered, are you missing a required plugin?'
                    .format(typeId))
                raise UndefinedParameterException(msg)
            self.param = paramTypeDef.create(name)
            self.param.setDescription(description)
            self.param.setMetadata(paramTypeDef.metadata())

        if not self.requiredCheck.isChecked():
            self.param.setFlags(
                self.param.flags()
                | QgsProcessingParameterDefinition.FlagOptional)
        else:
            self.param.setFlags(
                self.param.flags()
                & ~QgsProcessingParameterDefinition.FlagOptional)

        settings = QgsSettings()
        settings.setValue(
            "/Processing/modelParametersDefinitionDialogGeometry",
            self.saveGeometry())

        QDialog.accept(self)

    def reject(self):
        self.param = None

        settings = QgsSettings()
        settings.setValue(
            "/Processing/modelParametersDefinitionDialogGeometry",
            self.saveGeometry())

        QDialog.reject(self)
Esempio n. 38
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class ModelerParametersDialog(QDialog):

    ENTER_NAME = '[Enter name if this is a final result]'
    NOT_SELECTED = '[Not selected]'
    USE_MIN_COVERING_EXTENT = '[Use min covering extent]'

    def __init__(self, alg, model, algName=None):
        QDialog.__init__(self)
        self.setModal(True)
        # The algorithm to define in this dialog. It is an instance of GeoAlgorithm
        self._alg = alg
        # The resulting algorithm after the user clicks on OK. it is an instance of the container Algorithm class
        self.alg = None
        # The model this algorithm is going to be added to
        self.model = model
        # The name of the algorithm in the model, in case we are editing it and not defining it for the first time
        self._algName = algName
        self.setupUi()
        self.params = None

    def setupUi(self):
        self.labels = {}
        self.widgets = {}
        self.checkBoxes = {}
        self.showAdvanced = False
        self.wrappers = {}
        self.valueItems = {}
        self.dependentItems = {}
        self.resize(650, 450)
        self.buttonBox = QDialogButtonBox()
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel |
                                          +                                          QDialogButtonBox.Ok |
                                          +                                          QDialogButtonBox.Help)
        self.setSizePolicy(QSizePolicy.Expanding,
                           QSizePolicy.Expanding)
        self.verticalLayout = QVBoxLayout()
        self.verticalLayout.setSpacing(5)
        self.verticalLayout.setMargin(20)

        self.bar = QgsMessageBar()
        self.bar.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
        self.verticalLayout.addWidget(self.bar)

        hLayout = QHBoxLayout()
        hLayout.setSpacing(5)
        hLayout.setMargin(0)
        descriptionLabel = QLabel(self.tr("Description"))
        self.descriptionBox = QLineEdit()
        self.descriptionBox.setText(self._alg.displayName())
        hLayout.addWidget(descriptionLabel)
        hLayout.addWidget(self.descriptionBox)
        self.verticalLayout.addLayout(hLayout)
        line = QFrame()
        line.setFrameShape(QFrame.HLine)
        line.setFrameShadow(QFrame.Sunken)
        self.verticalLayout.addWidget(line)

        for param in self._alg.parameters:
            if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
                self.advancedButton = QPushButton()
                self.advancedButton.setText(self.tr('Show advanced parameters'))
                self.advancedButton.clicked.connect(
                    self.showAdvancedParametersClicked)
                advancedButtonHLayout = QHBoxLayout()
                advancedButtonHLayout.addWidget(self.advancedButton)
                advancedButtonHLayout.addStretch()
                self.verticalLayout.addLayout(advancedButtonHLayout)
                break
        for param in self._alg.parameterDefinitions():
            if param.flags() & QgsProcessingParameterDefinition.FlagHidden:
                continue
            desc = param.description()
            if isinstance(param, ParameterExtent):
                desc += self.tr('(xmin, xmax, ymin, ymax)')
            if isinstance(param, ParameterPoint):
                desc += self.tr('(x, y)')
            if param.flags() & QgsProcessingParameterDefinition.FlagOptional:
                desc += self.tr(' [optional]')
            label = QLabel(desc)
            self.labels[param.name()] = label

            wrapper = WidgetWrapperFactory.create_wrapper(param, self)
            self.wrappers[param.name()] = wrapper

            widget = wrapper.widget
            if widget is not None:
                self.valueItems[param.name()] = widget
                tooltip = param.description()
                label.setToolTip(tooltip)
                widget.setToolTip(tooltip)
                if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
                    label.setVisible(self.showAdvanced)
                    widget.setVisible(self.showAdvanced)
                    self.widgets[param.name()] = widget

                self.verticalLayout.addWidget(label)
                self.verticalLayout.addWidget(widget)

        for output in self._alg.outputs:
            if output.flags() & QgsProcessingParameterDefinition.FlagHidden:
                continue
            if isinstance(output, (OutputRaster, OutputVector, OutputTable,
                                   OutputHTML, OutputFile, OutputDirectory)):
                label = QLabel(output.description() + '<' +
                               output.__class__.__name__ + '>')
                item = QLineEdit()
                if hasattr(item, 'setPlaceholderText'):
                    item.setPlaceholderText(ModelerParametersDialog.ENTER_NAME)
                self.verticalLayout.addWidget(label)
                self.verticalLayout.addWidget(item)
                self.valueItems[output.name] = item

        label = QLabel(' ')
        self.verticalLayout.addWidget(label)
        label = QLabel(self.tr('Parent algorithms'))
        self.dependenciesPanel = self.getDependenciesPanel()
        self.verticalLayout.addWidget(label)
        self.verticalLayout.addWidget(self.dependenciesPanel)
        self.verticalLayout.addStretch(1000)

        self.setPreviousValues()
        self.setWindowTitle(self._alg.displayName())
        self.verticalLayout2 = QVBoxLayout()
        self.verticalLayout2.setSpacing(2)
        self.verticalLayout2.setMargin(0)

        self.paramPanel = QWidget()
        self.paramPanel.setLayout(self.verticalLayout)
        self.scrollArea = QgsScrollArea()
        self.scrollArea.setWidget(self.paramPanel)
        self.scrollArea.setWidgetResizable(True)

        self.verticalLayout2.addWidget(self.scrollArea)
        self.verticalLayout2.addWidget(self.buttonBox)
        self.setLayout(self.verticalLayout2)
        self.buttonBox.accepted.connect(self.okPressed)
        self.buttonBox.rejected.connect(self.cancelPressed)
        self.buttonBox.helpRequested.connect(self.openHelp)
        QMetaObject.connectSlotsByName(self)

        for wrapper in list(self.wrappers.values()):
            wrapper.postInitialize(list(self.wrappers.values()))

    def getAvailableDependencies(self):  # spellok
        if self._algName is None:
            dependent = []
        else:
            dependent = self.model.getDependentAlgorithms(self._algName)
        opts = []
        for alg in list(self.model.algs.values()):
            if alg.modeler_name not in dependent:
                opts.append(alg)
        return opts

    def getDependenciesPanel(self):
        return MultipleInputPanel([alg.description for alg in self.getAvailableDependencies()])  # spellok

    def showAdvancedParametersClicked(self):
        self.showAdvanced = not self.showAdvanced
        if self.showAdvanced:
            self.advancedButton.setText(self.tr('Hide advanced parameters'))
        else:
            self.advancedButton.setText(self.tr('Show advanced parameters'))
        for param in self._alg.parameters:
            if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
                self.labels[param.name].setVisible(self.showAdvanced)
                self.widgets[param.name].setVisible(self.showAdvanced)

    def getAvailableValuesOfType(self, paramType, outType=None, dataType=None):
        # upgrade paramType to list
        if type(paramType) is not list:
            paramType = [paramType]

        values = []
        inputs = self.model.inputs
        for i in list(inputs.values()):
            param = i.param
            for t in paramType:
                if isinstance(param, t):
                    if dataType is not None:
                        if param.datatype in dataType:
                            values.append(ValueFromInput(param.name))
                    else:
                        values.append(ValueFromInput(param.name))
                    break
        if outType is None:
            return values
        if self._algName is None:
            dependent = []
        else:
            dependent = self.model.getDependentAlgorithms(self._algName)
        for alg in list(self.model.algs.values()):
            if alg.modeler_name not in dependent:
                for out in alg.algorithm.outputs:
                    if isinstance(out, outType):
                        if dataType is not None and out.datatype in dataType:
                            values.append(ValueFromOutput(alg.modeler_name, out.name))
                        else:
                            values.append(ValueFromOutput(alg.modeler_name, out.name))

        return values

    def resolveValueDescription(self, value):
        if isinstance(value, ValueFromInput):
            return self.model.inputs[value.name].param.description()
        else:
            alg = self.model.algs[value.alg]
            return self.tr("'{0}' from algorithm '{1}'").format(alg.algorithm.getOutputFromName(value.output).description(), alg.description)

    def setPreviousValues(self):
        if self._algName is not None:
            alg = self.model.algs[self._algName]
            self.descriptionBox.setText(alg.description)
            for param in alg.algorithm.parameterDefinitions():
                if param.flags() & QgsProcessingParameterDefinition.FlagHidden:
                    continue
                if param.name() in alg.params:
                    value = alg.params[param.name()]
                else:
                    value = param.defaultValue()
                self.wrappers[param.name()].setValue(value)
            for name, out in list(alg.outputs.items()):
                self.valueItems[name].setText(out.description())

            selected = []
            dependencies = self.getAvailableDependencies()  # spellok
            for idx, dependency in enumerate(dependencies):
                if dependency.name in alg.dependencies:
                    selected.append(idx)

            self.dependenciesPanel.setSelectedItems(selected)

    def createAlgorithm(self):
        alg = Algorithm(self._alg.id())
        alg.setName(self.model)
        alg.description = self.descriptionBox.text()
        params = self._alg.parameterDefinitions()
        outputs = self._alg.outputs
        for param in params:
            if param.flags() & QgsProcessingParameterDefinition.FlagHidden:
                continue
            if not param.checkValueIsAcceptable(self.wrappers[param.name()].value):
                self.bar.pushMessage("Error", "Wrong or missing value for parameter '%s'" % param.description(),
                                     level=QgsMessageBar.WARNING)
                return None
        for output in outputs:
            if not output.flags() & QgsProcessingParameterDefinition.FlagHidden:
                name = str(self.valueItems[output.name()].text())
                if name.strip() != '' and name != ModelerParametersDialog.ENTER_NAME:
                    alg.outputs[output.name()] = ModelerOutput(name)

        selectedOptions = self.dependenciesPanel.selectedoptions
        availableDependencies = self.getAvailableDependencies()  # spellok
        for selected in selectedOptions:
            alg.dependencies.append(availableDependencies[selected].name)  # spellok

        self._alg.processBeforeAddingToModeler(alg, self.model)
        return alg

    def okPressed(self):
        self.alg = self.createAlgorithm()
        if self.alg is not None:
            self.close()

    def cancelPressed(self):
        self.alg = None
        self.close()

    def openHelp(self):
        algHelp = self._alg.help()
        if algHelp is not None:
            webbrowser.open(algHelp)
class ModelerParameterDefinitionDialog(QDialog):

    PARAMETER_NUMBER = 'Number'
    PARAMETER_RASTER = 'Raster layer'
    PARAMETER_TABLE = 'Table'
    PARAMETER_VECTOR = 'Vector layer'
    PARAMETER_STRING = 'String'
    PARAMETER_EXPRESSION = 'Expression'
    PARAMETER_BOOLEAN = 'Boolean'
    PARAMETER_TABLE_FIELD = 'Table field'
    PARAMETER_EXTENT = 'Extent'
    PARAMETER_FILE = 'File'
    PARAMETER_POINT = 'Point'
    PARAMETER_CRS = 'CRS'
    PARAMETER_MULTIPLE = 'Multiple input'

    paramTypes = [
        PARAMETER_BOOLEAN,
        PARAMETER_EXTENT,
        PARAMETER_FILE,
        PARAMETER_NUMBER,
        PARAMETER_RASTER,
        PARAMETER_STRING,
        PARAMETER_EXPRESSION,
        PARAMETER_TABLE,
        PARAMETER_TABLE_FIELD,
        PARAMETER_VECTOR,
        PARAMETER_POINT,
        PARAMETER_CRS,
        PARAMETER_MULTIPLE
    ]

    def __init__(self, alg, paramType=None, param=None):
        self.alg = alg
        self.paramType = paramType
        self.param = param
        QDialog.__init__(self)
        self.setModal(True)
        self.setupUi()

    def setupUi(self):
        self.setWindowTitle(self.tr('Parameter definition'))
        self.setMinimumWidth(300)

        self.verticalLayout = QVBoxLayout(self)
        self.verticalLayout.setMargin(20)

        self.label = QLabel(self.tr('Parameter name'))
        self.verticalLayout.addWidget(self.label)
        self.nameTextBox = QLineEdit()
        self.verticalLayout.addWidget(self.nameTextBox)

        if isinstance(self.param, QgsProcessingParameterDefinition):
            self.nameTextBox.setText(self.param.description())

        if self.paramType == ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN or \
                isinstance(self.param, ParameterBoolean):
            self.state = QCheckBox()
            self.state.setText(self.tr('Checked'))
            self.state.setChecked(False)
            if self.param is not None:
                self.state.setChecked(bool(self.param.value))
            self.verticalLayout.addWidget(self.state)
        elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD or \
                isinstance(self.param, ParameterTableField):
            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            idx = 0
            for param in list(self.alg.inputs.values()):
                if isinstance(param.param, (ParameterVector, ParameterTable)):
                    self.parentCombo.addItem(param.param.description(), param.param.name())
                    if self.param is not None:
                        if self.param.parent == param.param.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)

            # add the datatype selector
            self.verticalLayout.addWidget(QLabel(self.tr('Allowed data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Any'), -1)
            self.datatypeCombo.addItem(self.tr('Number'), 0)
            self.datatypeCombo.addItem(self.tr('String'), 1)
            self.datatypeCombo.addItem(self.tr('Date/time'), 2)
            self.verticalLayout.addWidget(self.datatypeCombo)

            if self.param is not None and self.param.datatype is not None:
                # QComboBoxes indexes start at 0,
                # self.param.datatype start with -1 that is why I need to do +1
                datatypeIndex = self.param.datatype + 1
                self.datatypeCombo.setCurrentIndex(datatypeIndex)

            self.multipleCheck = QCheckBox()
            self.multipleCheck.setText(self.tr('Accept multiple fields'))
            self.multipleCheck.setChecked(False)
            if self.param is not None:
                self.multipleCheck.setChecked(self.param.multiple)
            self.verticalLayout.addWidget(self.multipleCheck)

        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_VECTOR or
                isinstance(self.param, ParameterVector)):
            self.verticalLayout.addWidget(QLabel(self.tr('Shape type')))
            self.shapetypeCombo = QComboBox()
            self.shapetypeCombo.addItem(self.tr('Any'))
            self.shapetypeCombo.addItem(self.tr('Point'))
            self.shapetypeCombo.addItem(self.tr('Line'))
            self.shapetypeCombo.addItem(self.tr('Polygon'))
            if self.param is not None:
                self.shapetypeCombo.setCurrentIndex(self.param.datatype[0] + 1)
            self.verticalLayout.addWidget(self.shapetypeCombo)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE or
                isinstance(self.param, ParameterMultipleInput)):
            self.verticalLayout.addWidget(QLabel(self.tr('Data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Vector (any)'))
            self.datatypeCombo.addItem(self.tr('Vector (point)'))
            self.datatypeCombo.addItem(self.tr('Vector (line)'))
            self.datatypeCombo.addItem(self.tr('Vector (polygon)'))
            self.datatypeCombo.addItem(self.tr('Raster'))
            self.datatypeCombo.addItem(self.tr('File'))
            if self.param is not None:
                self.datatypeCombo.setCurrentIndex(self.param.datatype + 1)
            self.verticalLayout.addWidget(self.datatypeCombo)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or
                isinstance(self.param, ParameterNumber)):
            self.verticalLayout.addWidget(QLabel(self.tr('Min value')))
            self.minTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.minTextBox)
            self.verticalLayout.addWidget(QLabel(self.tr('Max value')))
            self.maxTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.maxTextBox)
            if self.param is not None:
                self.minTextBox.setText(str(self.param.min))
                self.maxTextBox.setText(str(self.param.max))
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setText(self.tr('0'))
            if self.param is not None:
                default = self.param.default
                if self.param.isInteger:
                    default = int(math.floor(default))
                if default:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_EXPRESSION or
              isinstance(self.param, ParameterExpression)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultEdit = QgsExpressionLineEdit()
            if self.param is not None:
                self.defaultEdit.setExpression(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultEdit)

            self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
            self.parentCombo = QComboBox()
            self.parentCombo.addItem(self.tr("None"), None)
            idx = 1
            for param in list(self.alg.inputs.values()):
                if isinstance(param.param, (ParameterVector, ParameterTable)):
                    self.parentCombo.addItem(param.param.description(), param.param.name())
                    if self.param is not None:
                        if self.param.parent_layer == param.param.name():
                            self.parentCombo.setCurrentIndex(idx)
                    idx += 1
            self.verticalLayout.addWidget(self.parentCombo)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or
                isinstance(self.param, ParameterString)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or
                isinstance(self.param, ParameterFile)):
            self.verticalLayout.addWidget(QLabel(self.tr('Type')))
            self.fileFolderCombo = QComboBox()
            self.fileFolderCombo.addItem(self.tr('File'))
            self.fileFolderCombo.addItem(self.tr('Folder'))
            if self.param is not None:
                self.fileFolderCombo.setCurrentIndex(
                    1 if self.param.isFolder else 0)
            self.verticalLayout.addWidget(self.fileFolderCombo)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_POINT or
                isinstance(self.param, ParameterPoint)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.defaultValue())
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_CRS or
                isinstance(self.param, ParameterCrs)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.selector = QgsProjectionSelectionWidget()
            if self.param is not None:
                self.selector.setCrs(QgsCoordinateReferenceSystem(self.param.defaultValue()))
            else:
                self.selector.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
            self.verticalLayout.addWidget(self.selector)

        self.verticalLayout.addSpacing(20)
        self.requiredCheck = QCheckBox()
        self.requiredCheck.setText(self.tr('Mandatory'))
        self.requiredCheck.setChecked(True)
        if self.param is not None:
            self.requiredCheck.setChecked(not self.param.flags() & QgsProcessingParameterDefinition.FlagOptional)
        self.verticalLayout.addWidget(self.requiredCheck)

        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel |
                                          QDialogButtonBox.Ok)
        self.buttonBox.setObjectName('buttonBox')
        self.buttonBox.accepted.connect(self.okPressed)
        self.buttonBox.rejected.connect(self.cancelPressed)

        self.verticalLayout.addStretch()
        self.verticalLayout.addWidget(self.buttonBox)

        self.setLayout(self.verticalLayout)

    def okPressed(self):
        description = str(self.nameTextBox.text())
        if description.strip() == '':
            QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                self.tr('Invalid parameter name'))
            return
        if self.param is None:
            validChars = \
                'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
            safeName = ''.join(c for c in description if c in validChars)
            name = safeName.lower()
            i = 2
            while name in self.alg.inputs:
                name = safeName.lower() + str(i)
        else:
            name = self.param.name()
        if (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN or
                isinstance(self.param, ParameterBoolean)):
            self.param = ParameterBoolean(name, description, self.state.isChecked())
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD or
              isinstance(self.param, ParameterTableField)):
            if self.parentCombo.currentIndex() < 0:
                QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                    self.tr('Wrong or missing parameter values'))
                return
            parent = self.parentCombo.currentData()
            datatype = self.datatypeCombo.currentData()
            self.param = ParameterTableField(name, description, parent, datatype, multiple=self.multipleCheck.isChecked())
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_RASTER or
                isinstance(self.param, ParameterRaster)):
            self.param = ParameterRaster(
                name, description)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_TABLE or
                isinstance(self.param, ParameterTable)):
            self.param = ParameterTable(
                name, description)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_VECTOR or
                isinstance(self.param, ParameterVector)):
            self.param = ParameterVector(
                name, description,
                [self.shapetypeCombo.currentIndex() - 1])
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE or
                isinstance(self.param, ParameterMultipleInput)):
            self.param = ParameterMultipleInput(
                name, description,
                self.datatypeCombo.currentIndex() - 1)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or
                isinstance(self.param, ParameterNumber)):
            try:
                vmin = self.minTextBox.text().strip()
                if vmin == '':
                    vmin = None
                else:
                    vmin = float(vmin)
                vmax = self.maxTextBox.text().strip()
                if vmax == '':
                    vmax = None
                else:
                    vmax = float(vmax)
                self.param = ParameterNumber(name, description, vmin, vmax,
                                             str(self.defaultTextBox.text()))
            except:
                QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                    self.tr('Wrong or missing parameter values'))
                return
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_EXPRESSION or
                isinstance(self.param, ParameterExpression)):
            parent = self.parentCombo.currentData()
            self.param = ParameterExpression(name, description,
                                             default=str(self.defaultEdit.expression()),
                                             parent_layer=parent)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or
                isinstance(self.param, ParameterString)):
            self.param = ParameterString(name, description,
                                         str(self.defaultTextBox.text()))
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_EXTENT or
                isinstance(self.param, ParameterExtent)):
            self.param = ParameterExtent(name, description)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or
                isinstance(self.param, ParameterFile)):
            isFolder = self.fileFolderCombo.currentIndex() == 1
            self.param = ParameterFile(name, description, isFolder=isFolder)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_POINT or
                isinstance(self.param, ParameterPoint)):
            self.param = ParameterPoint(name, description,
                                        str(self.defaultTextBox.text()))
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_CRS or
                isinstance(self.param, ParameterCrs)):
            self.param = ParameterCrs(name, description, default=self.selector.crs().authid())
        if not self.requiredCheck.isChecked():
            self.param.setFlags(self.param.flags() | QgsProcessingParameterDefinition.FlagOptional)
        self.close()

    def cancelPressed(self):
        self.param = None
        self.close()
Esempio n. 40
0
class ConfigDialog(QDialog):

    def __init__(self, namespace):
        self.settings = pluginSettings(namespace)
        self.namespace = namespace
        QDialog.__init__(self, iface.mainWindow())
        self.setupUi()
        if hasattr(self.searchBox, 'setPlaceholderText'):
            self.searchBox.setPlaceholderText(self.tr("Search..."))
        self.searchBox.textChanged.connect(self.filterTree)
        self.fillTree()
        self.tree.expandAll()

    def setupUi(self):
        self.setMinimumWidth(500)
        self.setMinimumHeight(400)
        self.resize(640, 450)
        self.verticalLayout = QVBoxLayout(self)
        self.verticalLayout.setSpacing(2)
        self.verticalLayout.setMargin(0)
        self.searchBox = QgsFilterLineEdit(self)
        self.verticalLayout.addWidget(self.searchBox)
        self.tree = QTreeWidget(self)
        self.tree.setAlternatingRowColors(True)
        self.verticalLayout.addWidget(self.tree)
        self.horizontalLayout = QHBoxLayout(self)
        self.resetButton = QPushButton("Reset default values")
        self.resetButton.clicked.connect(self.resetDefault)
        self.horizontalLayout.addWidget(self.resetButton)
        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel|QDialogButtonBox.Ok)
        self.horizontalLayout.addWidget(self.buttonBox)
        self.verticalLayout.addLayout(self.horizontalLayout)

        self.setWindowTitle("Configuration options")
        self.searchBox.setToolTip("Enter setting name to filter list")
        self.tree.headerItem().setText(0, "Setting")
        self.tree.headerItem().setText(1, "Value")

        def saveValues():
            iterator = QTreeWidgetItemIterator(self.tree)
            value = iterator.value()
            while value:
                if hasattr(value, 'saveValue'):
                    try:
                        value.saveValue()
                    except WrongValueException:
                        return
                iterator += 1
                value = iterator.value()
            QDialog.accept(self)
            self.close()

        self.buttonBox.accepted.connect(saveValues)
        self.buttonBox.rejected.connect(self.reject)

    def resetDefault(self):
        root = self.tree.invisibleRootItem()
        for i in range(root.childCount()):
            item = root.child(i)
            for j in range(item.childCount()):
                subitem = item.child(j)
                subitem.resetDefault()

    def filterTree(self):
        text = unicode(self.searchBox.text())
        for i in range(self.tree.topLevelItemCount()):
            item = self.tree.topLevelItem(i)
            visible = False
            for j in range(item.childCount()):
                subitem = item.child(j)
                itemText = subitem.text(0)
            if (text.strip() == ""):
                subitem.setHidden(False)
                visible = True
            else:
                hidden = text not in itemText
                item.setHidden(hidden)
                visible = visible or not hidden
            item.setHidden(not visible)
            item.setExpanded(visible and text.strip() != "")

    def fillTree(self):
        self.items = {}
        self.tree.clear()

        grouped = defaultdict(list)
        for setting in self.settings:
            grouped[setting["group"]].append(setting)
        for groupName, group in grouped.items():
            item = self._getGroupItem(groupName, group)
            self.tree.addTopLevelItem(item)

        self.tree.setColumnWidth(0, 400)

    def _getGroupItem(self, groupName, params):
        item = QTreeWidgetItem()
        item.setText(0, groupName)
        icon = QIcon(os.path.join(os.path.dirname(__file__), "setting.png"))
        item.setIcon(0, icon)
        for param in params:
            value = pluginSetting(param["name"], self.namespace)
            subItem = TreeSettingItem(item, self.tree, param, self.namespace, value)
            item.addChild(subItem)
        return item
Esempio n. 41
0
class ModelerParametersDialog(QDialog):
    def __init__(self, alg, model, algName=None, configuration=None):
        QDialog.__init__(self)
        self.setModal(True)

        self._alg = alg  # The algorithm to define in this dialog. It is an instance of QgsProcessingAlgorithm
        self.model = model  # The model this algorithm is going to be added to. It is an instance of QgsProcessingModelAlgorithm
        self.childId = algName  # The name of the algorithm in the model, in case we are editing it and not defining it for the first time
        self.configuration = configuration
        self.context = createContext()

        self.widget_labels = {}

        class ContextGenerator(QgsProcessingContextGenerator):
            def __init__(self, context):
                super().__init__()
                self.processing_context = context

            def processingContext(self):
                return self.processing_context

        self.context_generator = ContextGenerator(self.context)

        self.setupUi()
        self.params = None

        settings = QgsSettings()
        self.restoreGeometry(
            settings.value("/Processing/modelParametersDialogGeometry",
                           QByteArray()))

    def closeEvent(self, event):
        settings = QgsSettings()
        settings.setValue("/Processing/modelParametersDialogGeometry",
                          self.saveGeometry())
        super(ModelerParametersDialog, self).closeEvent(event)

    def setupUi(self):
        self.checkBoxes = {}
        self.showAdvanced = False
        self.wrappers = {}
        self.valueItems = {}
        self.dependentItems = {}
        self.algorithmItem = None

        self.resize(650, 450)
        self.buttonBox = QDialogButtonBox()
        self.buttonBox.setOrientation(Qt.Horizontal)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
                                          | QDialogButtonBox.Ok
                                          | QDialogButtonBox.Help)
        self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
        self.verticalLayout = QVBoxLayout()
        self.verticalLayout.setSpacing(5)
        self.verticalLayout.setMargin(20)

        self.bar = QgsMessageBar()
        self.bar.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
        self.verticalLayout.addWidget(self.bar)

        hLayout = QHBoxLayout()
        hLayout.setSpacing(5)
        hLayout.setMargin(0)
        descriptionLabel = QLabel(self.tr("Description"))
        self.descriptionBox = QLineEdit()
        self.descriptionBox.setText(self._alg.displayName())
        hLayout.addWidget(descriptionLabel)
        hLayout.addWidget(self.descriptionBox)
        self.verticalLayout.addLayout(hLayout)
        line = QFrame()
        line.setFrameShape(QFrame.HLine)
        line.setFrameShadow(QFrame.Sunken)
        self.verticalLayout.addWidget(line)
        self.algorithmItem = QgsGui.instance().processingGuiRegistry(
        ).algorithmConfigurationWidget(self._alg)
        if self.configuration:
            self.algorithmItem.setConfiguration(self.configuration)
        self.verticalLayout.addWidget(self.algorithmItem)

        widget_context = QgsProcessingParameterWidgetContext()
        if iface is not None:
            widget_context.setMapCanvas(iface.mapCanvas())
        widget_context.setModel(self.model)
        widget_context.setModelChildAlgorithmId(self.childId)

        for param in self._alg.parameterDefinitions():
            if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
                self.advancedButton = QPushButton()
                self.advancedButton.setText(
                    self.tr('Show advanced parameters'))
                self.advancedButton.clicked.connect(
                    self.showAdvancedParametersClicked)
                advancedButtonHLayout = QHBoxLayout()
                advancedButtonHLayout.addWidget(self.advancedButton)
                advancedButtonHLayout.addStretch()
                self.verticalLayout.addLayout(advancedButtonHLayout)
                break
        for param in self._alg.parameterDefinitions():
            if param.isDestination(
            ) or param.flags() & QgsProcessingParameterDefinition.FlagHidden:
                continue

            wrapper = WidgetWrapperFactory.create_wrapper(param, self)
            self.wrappers[param.name()] = wrapper

            if issubclass(wrapper.__class__,
                          QgsProcessingModelerParameterWidget):
                wrapper.setWidgetContext(widget_context)
                wrapper.registerProcessingContextGenerator(
                    self.context_generator)
                widget = wrapper
            else:
                widget = wrapper.widget
            if widget is not None:
                self.valueItems[param.name()] = widget

                if issubclass(wrapper.__class__,
                              QgsProcessingModelerParameterWidget):
                    label = wrapper.createLabel()
                else:
                    tooltip = param.description()
                    widget.setToolTip(tooltip)
                    label = wrapper.label
                self.widget_labels[param.name()] = label

                if param.flags(
                ) & QgsProcessingParameterDefinition.FlagAdvanced:
                    label.setVisible(self.showAdvanced)
                    widget.setVisible(self.showAdvanced)

                self.verticalLayout.addWidget(label)
                self.verticalLayout.addWidget(widget)

        for dest in self._alg.destinationParameterDefinitions():
            if dest.flags() & QgsProcessingParameterDefinition.FlagHidden:
                continue
            if isinstance(dest, (QgsProcessingParameterRasterDestination,
                                 QgsProcessingParameterVectorDestination,
                                 QgsProcessingParameterFeatureSink,
                                 QgsProcessingParameterFileDestination,
                                 QgsProcessingParameterFolderDestination)):
                label = QLabel(dest.description())
                item = QgsFilterLineEdit()
                if hasattr(item, 'setPlaceholderText'):
                    item.setPlaceholderText(
                        self.tr('[Enter name if this is a final result]'))
                self.verticalLayout.addWidget(label)
                self.verticalLayout.addWidget(item)
                self.valueItems[dest.name()] = item

        label = QLabel(' ')
        self.verticalLayout.addWidget(label)
        label = QLabel(self.tr('Parent algorithms'))
        self.dependenciesPanel = self.getDependenciesPanel()
        self.verticalLayout.addWidget(label)
        self.verticalLayout.addWidget(self.dependenciesPanel)
        self.verticalLayout.addStretch(1000)

        self.setPreviousValues()
        self.setWindowTitle(self._alg.displayName())
        self.verticalLayout2 = QVBoxLayout()
        self.verticalLayout2.setSpacing(2)
        self.verticalLayout2.setMargin(0)

        self.paramPanel = QWidget()
        self.paramPanel.setLayout(self.verticalLayout)
        self.scrollArea = QgsScrollArea()
        self.scrollArea.setWidget(self.paramPanel)
        self.scrollArea.setWidgetResizable(True)

        self.verticalLayout2.addWidget(self.scrollArea)
        self.verticalLayout2.addWidget(self.buttonBox)
        self.setLayout(self.verticalLayout2)
        self.buttonBox.accepted.connect(self.okPressed)
        self.buttonBox.rejected.connect(self.cancelPressed)
        self.buttonBox.helpRequested.connect(self.openHelp)
        QMetaObject.connectSlotsByName(self)

    def getAvailableDependencies(self):  # spellok
        if self.childId is None:
            dependent = []
        else:
            dependent = list(self.model.dependentChildAlgorithms(self.childId))
            dependent.append(self.childId)
        opts = []
        for alg in list(self.model.childAlgorithms().values()):
            if alg.childId() not in dependent:
                opts.append(alg)
        return opts

    def getDependenciesPanel(self):
        return MultipleInputPanel([
            alg.description() for alg in self.getAvailableDependencies()
        ])  # spellok

    def showAdvancedParametersClicked(self):
        self.showAdvanced = not self.showAdvanced
        if self.showAdvanced:
            self.advancedButton.setText(self.tr('Hide advanced parameters'))
        else:
            self.advancedButton.setText(self.tr('Show advanced parameters'))
        for param in self._alg.parameterDefinitions():
            if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
                wrapper = self.wrappers[param.name()]
                if issubclass(wrapper.__class__,
                              QgsProcessingModelerParameterWidget):
                    wrapper.setVisible(self.showAdvanced)
                else:
                    wrapper.widget.setVisible(self.showAdvanced)

                self.widget_labels[param.name()].setVisible(self.showAdvanced)

    def getAvailableValuesOfType(self, paramType, outTypes=[], dataTypes=[]):
        # upgrade paramType to list
        if paramType is None:
            paramType = []
        elif not isinstance(paramType, (tuple, list)):
            paramType = [paramType]
        if outTypes is None:
            outTypes = []
        elif not isinstance(outTypes, (tuple, list)):
            outTypes = [outTypes]

        return self.model.availableSourcesForChild(self.childId, [
            p.typeName() for p in paramType
            if issubclass(p, QgsProcessingParameterDefinition)
        ], [
            o.typeName()
            for o in outTypes if issubclass(o, QgsProcessingOutputDefinition)
        ], dataTypes)

    def resolveValueDescription(self, value):
        if isinstance(value, QgsProcessingModelChildParameterSource):
            if value.source(
            ) == QgsProcessingModelChildParameterSource.StaticValue:
                return value.staticValue()
            elif value.source(
            ) == QgsProcessingModelChildParameterSource.ModelParameter:
                return self.model.parameterDefinition(
                    value.parameterName()).description()
            elif value.source(
            ) == QgsProcessingModelChildParameterSource.ChildOutput:
                alg = self.model.childAlgorithm(value.outputChildId())
                return self.tr("'{0}' from algorithm '{1}'").format(
                    alg.algorithm().outputDefinition(
                        value.outputName()).description(), alg.description())

        return value

    def setPreviousValues(self):
        if self.childId is not None:
            alg = self.model.childAlgorithm(self.childId)
            self.descriptionBox.setText(alg.description())
            for param in alg.algorithm().parameterDefinitions():
                if param.isDestination() or param.flags(
                ) & QgsProcessingParameterDefinition.FlagHidden:
                    continue
                value = None
                if param.name() in alg.parameterSources():
                    value = alg.parameterSources()[param.name()]
                    if isinstance(value, list) and len(value) == 1:
                        value = value[0]
                    elif isinstance(value, list) and len(value) == 0:
                        value = None

                wrapper = self.wrappers[param.name()]
                if issubclass(wrapper.__class__,
                              QgsProcessingModelerParameterWidget):
                    if value is None:
                        value = QgsProcessingModelChildParameterSource.fromStaticValue(
                            param.defaultValue())

                    wrapper.setWidgetValue(value)
                else:
                    if value is None:
                        value = param.defaultValue()

                    if isinstance(
                            value, QgsProcessingModelChildParameterSource
                    ) and value.source(
                    ) == QgsProcessingModelChildParameterSource.StaticValue:
                        value = value.staticValue()
                    wrapper.setValue(value)

            for name, out in list(alg.modelOutputs().items()):
                if out.childOutputName() in self.valueItems:
                    self.valueItems[out.childOutputName()].setText(out.name())

            selected = []
            dependencies = self.getAvailableDependencies()  # spellok
            for idx, dependency in enumerate(dependencies):
                if dependency.childId() in alg.dependencies():
                    selected.append(idx)

            self.dependenciesPanel.setSelectedItems(selected)

    def createAlgorithm(self):
        alg = QgsProcessingModelChildAlgorithm(self._alg.id())
        if not self.childId:
            alg.generateChildId(self.model)
        else:
            alg.setChildId(self.childId)
        alg.setDescription(self.descriptionBox.text())
        if self.algorithmItem:
            alg.setConfiguration(self.algorithmItem.configuration())
            self._alg = alg.algorithm().create(
                self.algorithmItem.configuration())
        for param in self._alg.parameterDefinitions():
            if param.isDestination(
            ) or param.flags() & QgsProcessingParameterDefinition.FlagHidden:
                continue
            try:
                wrapper = self.wrappers[param.name()]
                if issubclass(wrapper.__class__,
                              QgsProcessingModelerParameterWidget):
                    val = wrapper.value()
                else:
                    val = wrapper.parameterValue()
            except InvalidParameterValue:
                self.bar.pushMessage(
                    self.tr("Error"),
                    self.tr(
                        "Wrong or missing value for parameter '{}'").format(
                            param.description()),
                    level=Qgis.Warning)
                return None

            if isinstance(val, QgsProcessingModelChildParameterSource):
                val = [val]
            elif not (isinstance(val, list) and all([
                    isinstance(subval, QgsProcessingModelChildParameterSource)
                    for subval in val
            ])):
                val = [
                    QgsProcessingModelChildParameterSource.fromStaticValue(val)
                ]
            for subval in val:
                if (isinstance(subval, QgsProcessingModelChildParameterSource) and
                    subval.source() == QgsProcessingModelChildParameterSource.StaticValue and
                        not param.checkValueIsAcceptable(subval.staticValue())) \
                        or (subval is None and not param.flags() & QgsProcessingParameterDefinition.FlagOptional):
                    self.bar.pushMessage(
                        self.tr("Error"),
                        self.tr("Wrong or missing value for parameter '{}'"
                                ).format(param.description()),
                        level=Qgis.Warning)
                    return None
            alg.addParameterSources(param.name(), val)

        outputs = {}
        for dest in self._alg.destinationParameterDefinitions():
            if not dest.flags() & QgsProcessingParameterDefinition.FlagHidden:
                name = self.valueItems[dest.name()].text()
                if name.strip() != '':
                    output = QgsProcessingModelOutput(name, name)
                    output.setChildId(alg.childId())
                    output.setChildOutputName(dest.name())
                    outputs[name] = output

            if dest.flags(
            ) & QgsProcessingParameterDefinition.FlagIsModelOutput:
                if dest.name() not in outputs:
                    output = QgsProcessingModelOutput(dest.name(), dest.name())
                    output.setChildId(alg.childId())
                    output.setChildOutputName(dest.name())
                    outputs[dest.name()] = output

        alg.setModelOutputs(outputs)

        selectedOptions = self.dependenciesPanel.selectedoptions
        availableDependencies = self.getAvailableDependencies()  # spellok
        dep_ids = []
        for selected in selectedOptions:
            dep_ids.append(
                availableDependencies[selected].childId())  # spellok
        alg.setDependencies(dep_ids)

        #try:
        #    self._alg.processBeforeAddingToModeler(alg, self.model)
        #except:
        #    pass

        return alg

    def okPressed(self):
        alg = self.createAlgorithm()
        if alg is not None:
            self.accept()

    def cancelPressed(self):
        self.reject()

    def openHelp(self):
        algHelp = self._alg.helpUrl()
        if not algHelp:
            algHelp = QgsHelp.helpUrl("processing_algs/{}/{}.html#{}".format(
                self._alg.provider().helpId(), self._alg.groupId(),
                "{}{}".format(self._alg.provider().helpId(),
                              self._alg.name()))).toString()

        if algHelp not in [None, ""]:
            webbrowser.open(algHelp)
Esempio n. 42
0
class AdvancedSearch(EntityEditorDialog):
    def __init__(self, entity, parent):

        EntityEditorDialog.__init__(self, entity, parent=parent)
        self.parent = parent

    def _init_gui(self):
        # Setup base elements
        self.gridLayout = QGridLayout(self)
        self.gridLayout.setObjectName('glMain')
        self.gridLayout.addLayout(self.vlNotification, 0, 0, 1, 1)
        QApplication.processEvents()

        column_widget_area = self._setup_columns_content_area()
        self.gridLayout.addWidget(column_widget_area, 1, 0, 1, 1)
        QApplication.processEvents()
        # Add notification for mandatory columns if applicable
        next_row = 2
        # Set title
        search_trans = self.tr('Advanced Search')
        if self._entity.label is not None:
            if self._entity.label != '':
                title_str = self._entity.label
            else:
                title_str = format_name(self._entity.short_name)
        else:
            title_str = format_name(self._entity.short_name)

        title = '{0} {1}'.format(title_str, search_trans)
        self.do_not_check_dirty = True
        self.setWindowTitle(title)
        # if self.has_mandatory:
        #     self.required_fields_lbl = QLabel(self)
        #     msg = self.tr(
        #         'Please fill out all required (*) fields.'
        #     )
        #     msg = self._highlight_asterisk(msg)
        #     self.required_fields_lbl.setText(msg)
        #     self.gridLayout.addWidget(
        #         self.required_fields_lbl, next_row, 0, 1, 2
        #     )
        #     # Bump up row reference
        #     next_row += 1

        self.buttonBox = QDialogButtonBox(self)
        self.buttonBox.setObjectName('buttonBox')
        self.gridLayout.addWidget(self.buttonBox, next_row, 0, 1, 1)

        self.buttonBox.setOrientation(Qt.Horizontal)

        self.search = QPushButton(
            QApplication.translate('EntityEditorDialog', 'Search'))
        self.buttonBox.addButton(self.search, QDialogButtonBox.ActionRole)
        self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel)
        self.search.clicked.connect(self.on_search)
        #
        #
        # # edit model, collect model
        # # adding new record for child
        #
        # # Saving in parent editor
        # if not isinstance(self._parent._parent, EntityEditorDialog):
        #     # adding a new record
        #     if self.edit_model is None:
        #         # saving when digitizing.
        #         if self.collect_model:
        #             self.buttonBox.accepted.connect(self.on_model_added)
        #         # saving parent editor
        #         else:
        #             self.buttonBox.accepted.connect(self.save_parent_editor)
        #             self.save_new_button.clicked.connect(self.save_and_new)
        #     # updating existing record
        #     else:
        #         if not self.collect_model:
        #             # updating existing record of the parent editor
        #             self.buttonBox.accepted.connect(self.save_parent_editor)
        #         else:
        #             self.buttonBox.accepted.connect(self.on_model_added)
        # # Saving in child editor
        # else:
        #     # save and new record
        #     if self.edit_model is None:
        #         self.buttonBox.accepted.connect(self.on_child_saved)
        #         self.save_new_button.clicked.connect(
        #             lambda: self.on_child_saved(True)
        #         )
        #
        #     else:
        #         # When updating an existing child editor save to the db
        #         self.buttonBox.accepted.connect(
        #             self.on_child_saved
        #         )
        #         #self.buttonBox.accepted.connect(self.submit)
        #
        self.buttonBox.rejected.connect(self.cancel)

    def on_search(self):
        search_data = {}
        for column in self._entity.columns.values():
            if column.name in entity_display_columns(self._entity):
                if column.name == 'id':
                    continue
                handler = self.attribute_mappers[column.name].valueHandler()
                value = handler.value()
                if value != handler.default() and bool(value):
                    search_data[column.name] = value
        # self.search_db(search_data)
        result = self.search_db_raw(search_data)
        self.parent._tableModel.removeRows(0,
                                           self.parent._tableModel.rowCount())
        if result is not None:
            found = QApplication.translate('AdvancedSearch', 'records found')
            new_title = '{} - {} {}'.format(self.title, result.rowcount, found)
            if result.rowcount > 3000:
                title = QApplication.translate('AdvancedSearch',
                                               'Advanced Search')
                message = QApplication.translate(
                    'AdvancedSearch',
                    'The search result returned {0} records, which is above the '
                    'search result limit. <br>Would you like to see the first 3000 '
                    'records?'.format("{:,}".format(result.rowcount)))

                res, chk_result = simple_dialog(self, title, message)
                if res:
                    self.setWindowTitle(new_title)
                    self.parent._initializeData(result)
                else:
                    return

            else:
                self.setWindowTitle(new_title)
                self.parent._initializeData(result)

    def search_db(self, search_data):
        ent_model_obj = self.ent_model()
        # query = ent_model_obj.queryObject()
        for attr, value in search_data.items():
            ent_model_obj.queryObject().filter(
                getattr(self.ent_model(), attr) == value)

        # now we can run the query
        # print(ent_model_obj.queryObject(), vars(ent_model_obj.queryObject()))
        # print(str(ent_model_obj.queryObject()))
        results = ent_model_obj.queryObject().all()

    def search_db_raw(self, search_data):
        sql = "SELECT * FROM {} WHERE ".format(self._entity.name)
        # query = ent_model_obj.queryObject()
        param = []
        if len(search_data) == 0:
            return None
        for attr, value in search_data.items():
            if isinstance(value, (int, float)):
                param.append('{} = {}'.format(str(attr), str(value)))
            if isinstance(value, str):
                param.append("{} = '{}'".format(str(attr), str(value)))
        final_sql = '{} {}'.format(sql, ' AND '.join(param))
        # sql_text = text(final_sql)
        results = fetch_with_filter(final_sql)
        # now we can run the query

        return results

    def _setup_columns_content_area(self):
        # Only use this if entity supports documents
        # self.entity_tab_widget = None
        self.doc_widget = None

        self.entity_scroll_area = QScrollArea(self)
        self.entity_scroll_area.setFrameShape(QFrame.NoFrame)
        self.entity_scroll_area.setWidgetResizable(True)
        self.entity_scroll_area.setObjectName('scrollArea')

        # Grid layout for controls
        self.gl = QGridLayout(self.scroll_widget_contents)
        self.gl.setObjectName('gl_widget_contents')

        # Append column labels and widgets
        table_name = self._entity.name
        columns = table_column_names(table_name)
        # Iterate entity column and assert if they exist
        row_id = 0
        for column_name, column_widget in self.column_widgets.items():
            c = self.columns[column_name]

            if c.name in self.exclude_columns:
                continue
            if isinstance(c, MultipleSelectColumn):
                continue
            if not c.name in columns and not isinstance(c, VirtualColumn):
                continue

            if column_widget is not None:
                header = c.ui_display()
                self.c_label = QLabel(self.scroll_widget_contents)

                self.c_label.setText(header)
                self.gl.addWidget(self.c_label, row_id, 0, 1, 1)

                if c.TYPE_INFO == 'AUTO_GENERATED':
                    column_widget.setReadOnly(False)
                    column_widget.btn_load.hide()
                self.gl.addWidget(column_widget, row_id, 1, 1, 1)

                col_name = c.name

                # Add widget to MapperMixin collection
                self.addMapping(col_name,
                                column_widget,
                                c.mandatory,
                                pseudoname=c.ui_display())

                # Bump up row_id
                row_id += 1

        self.entity_scroll_area.setWidget(self.scroll_widget_contents)
        if self.entity_tab_widget is None:
            self.entity_tab_widget = QTabWidget(self)
        # Check if there are children and add foreign key browsers

        # Add primary tab if necessary
        self._add_primary_attr_widget()
        # self.entity_tab_widget.setTabEnabled(0, False)  # enable/disable the tab
        # set the style sheet
        self.setStyleSheet(
            "QTabBar::tab::selected {width: 0; height: 0; margin: 0; "
            "padding: 0; border: none;} ")
        # Return the correct widget
        if self.entity_tab_widget is not None:
            return self.entity_tab_widget

        return self.entity_scroll_area

    def closeEvent(self, event):
        '''
        Raised when a request to close the window is received.
        Check the dirty state of input controls and prompt user to
        save if dirty.
        '''
        event.accept()

    def cancel(self):
        '''
        Slot for closing the dialog.
        Checks the dirty state first before closing.
        '''
        self.reject()