Exemple #1
0
 def createButtonsWithTabs(self, reclassificationDict):
     """
     Specific method to create buttons with tabs
     reclassificationDict: dictionary used to create the buttons
     """
     gridLayout = QGridLayout()
     tabWidget = QTabWidget()
     tabWidget.setTabPosition(QTabWidget.West)
     gridLayout.addWidget(tabWidget)
     self.scrollArea.setWidget(tabWidget)
     propertyDict = dict()
     for category in list(reclassificationDict.keys()):
         if category in ['version', 'uiParameterJsonDict']:
             continue
         sortedButtonNames = []
         formLayout = QFormLayout()
         scrollArea = self.createWidgetWithTabs(formLayout)
         tabWidget.addTab(scrollArea, category)
         for edgvClass in list(reclassificationDict[category].keys()):
             for button in list(
                     reclassificationDict[category][edgvClass].keys()):
                 item = reclassificationDict[category][edgvClass][button]
                 propertyDict[button] = dict()
                 if isinstance(item, dict):
                     if 'buttonProp' in list(item.keys()):
                         propertyDict[button] = item['buttonProp']
                 sortedButtonNames.append(button)
         sortedButtonNames.sort()
         for button in sortedButtonNames:
             pushButton = self.createButton(
                 button, propertyDict=propertyDict[button])
             formLayout.addRow(pushButton)
Exemple #2
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            def createTabs():
                # Tab1
                lyt1 = QVBoxLayout()
                lytOk = QHBoxLayout()
                rbUpdate = QRadioButton('Update', self)
                lytOk.addWidget(rbUpdate)
                rbDownload = QRadioButton('Download(0 selected)', self)
                lytOk.addWidget(rbDownload)
                btnOk = QPushButton('OK', self)
                lytOk.addWidget(btnOk)
                lyt1.addLayout(lytOk)
                lytChecks = QHBoxLayout()
                ckVrt = QCheckBox('Create VRT tiles', self)
                lytChecks.addWidget(ckVrt)
                ckAddTiles = QCheckBox('Add tiles', self)
                lytChecks.addWidget(ckAddTiles)
                lyt1.addLayout(lytChecks)
                tab1 = QWidget()
                tab1.setLayout(lyt1)
                # Tab 2
                lyt2 = QVBoxLayout()
                wgtDir = QgsFileWidget(self)
                lyt2.addWidget(wgtDir)
                btnRemoveFiles = QPushButton('', self)
                lyt2.addWidget(btnRemoveFiles)
                tab2 = QWidget()
                tab2.setLayout(lyt2)
                #
                tabs = QTabWidget(self)
                tabs.addTab(tab1, 'Update/Download')
                tabs.addTab(tab2, 'Download directory')

                return (tabs, rbUpdate, rbDownload, btnOk, ckVrt, ckAddTiles,
                        wgtDir, btnRemoveFiles)
Exemple #3
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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))
Exemple #4
0
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_ENUM,
                         parameters.PARAMETER_MATRIX,
                         parameters.PARAMETER_MAP_LAYER):
            return True
        elif isinstance(param, (QgsProcessingParameterField,
                                QgsProcessingParameterBand,
                                QgsProcessingParameterFeatureSource,
                                QgsProcessingParameterVectorLayer,
                                QgsProcessingParameterMultipleLayers,
                                QgsProcessingParameterNumber,
                                QgsProcessingParameterDistance,
                                QgsProcessingParameterScale,
                                QgsProcessingParameterEnum,
                                QgsProcessingParameterMatrix,
                                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 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 = 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)
        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 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
        elif (self.paramType == parameters.PARAMETER_EXTENT
              or isinstance(self.param, QgsProcessingParameterExtent)):
            self.param = QgsProcessingParameterExtent(name, description)
        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.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)
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)
Exemple #6
0
class SupportingDocuments(ComponentUtility):
    onUploadDocument = pyqtSignal(list)

    def __init__(self,
                 box,
                 combobox,
                 add_documents_btn,
                 notification_bar,
                 parent=None):
        """
        Handles the supporting documents component loading.
        :param box: The layout holding the container widget.
        :type box: QVBoxLayout
        :param combobox: The combobox loading supporting document types.
        :type combobox: QComboBox
        :param add_documents_btn: The add supporting document button
        :type add_documents_btn: QPushButton
        :param notification_bar: The NotificationBar object that displays
        notification.
        :type notification_bar: Object
        :param parent: The container of the widget
        :type parent: QDialog or None
        """
        ComponentUtility.__init__(self)
        self._parent = parent
        self.container_box = box
        self.doc_type_cbo = combobox
        self.notification_bar = notification_bar
        self.str_number = 1
        self.add_documents_btn = add_documents_btn
        self.str_numbers = [1]
        self.current_party_count = None
        self.init_documents()

    def init_documents(self):
        """
        Initializes the document type combobox by
        populating data.
        """
        self.supporting_doc_manager = SourceDocumentManager(
            self.social_tenure.supporting_doc, self.str_doc_model,
            self._parent)

        self.create_doc_tab_populate_combobox()

        self.doc_type_cbo.currentIndexChanged.connect(
            self.match_doc_combo_to_tab)
        self.docs_tab.currentChanged.connect(self.match_doc_tab_to_combo)

    def party_count(self, count):
        """
        A setter for current_party_count that is used to determined
        the number of copies for each supporting document.
        :param count: The number of currently added party records.
        :type count: Integer
        """
        self.current_party_count = count

    def create_doc_tab_populate_combobox(self):
        """
        Creates the supporting document component widget.
        """
        self.doc_tab_data()
        self.docs_tab = QTabWidget()
        self.docs_tab_index = OrderedDict()
        for i, (id, doc) in enumerate(self.doc_types.items()):
            self.docs_tab_index[doc] = i
            # the tab widget containing the document widget layout
            # and the child of the tab.
            tab_widget = QWidget()
            tab_widget.setObjectName(doc)
            # The layout of the tab widget
            cont_layout = QVBoxLayout(tab_widget)
            cont_layout.setObjectName('widget_layout_{}'.format(doc))
            # the scroll area widget inside the tab widget.
            scroll_area = QScrollArea(tab_widget)
            scroll_area.setFrameShape(QFrame.NoFrame)
            scroll_area.setObjectName('tab_scroll_area_{}'.format(doc))

            layout_widget = QWidget()
            # the widget the is under the scroll area content and
            # the widget containing the document widget layout
            # This widget is hidden and shown based on the STR number
            layout_widget.setObjectName('widget_{}'.format(doc))

            doc_widget_layout = QVBoxLayout(layout_widget)
            doc_widget_layout.setObjectName('doc_widget_layout_{}'.format(doc))
            doc_widget = QWidget()
            doc_widget.setObjectName('doc_widget_{}_{}'.format(
                doc, self.str_number))

            doc_widget_layout.addWidget(doc_widget)

            # the layout containing document widget.
            ### This is the layout that is registered to add uploaded
            # supporting documents widgets into.
            tab_layout = QVBoxLayout(doc_widget)
            tab_layout.setObjectName('layout_{}_{}'.format(
                doc, self.str_number))

            scroll_area.setWidgetResizable(True)
            scroll_area.setWidget(layout_widget)

            cont_layout.addWidget(scroll_area)
            # Add the tab widget with the document
            # type name to create a tab.
            self.docs_tab.addTab(tab_widget, doc)

            self.container_box.addWidget(self.docs_tab, 1)
            if len(self.str_numbers) == 1:
                self.doc_type_cbo.addItem(doc, id)

    def doc_tab_data(self):
        """
        Sets the document types in the social tenure entity.
        """
        doc_entity = self.social_tenure. \
            supporting_doc.document_type_entity
        doc_type_model = entity_model(doc_entity)
        docs = doc_type_model()
        doc_type_list = docs.queryObject().all()
        self.doc_types = [(doc.id, doc.value) for doc in doc_type_list]
        self.doc_types = OrderedDict(self.doc_types)

    def match_doc_combo_to_tab(self):
        """
        Changes the active tab based on the
        selected value of document type combobox.
        """
        combo_text = self.doc_type_cbo.currentText()
        if combo_text is not None and len(combo_text) > 0:
            index = self.docs_tab_index[combo_text]
            self.docs_tab.setCurrentIndex(index)

    def match_doc_tab_to_combo(self):
        """
        Changes the document type combobox value based on the
        selected tab.
        """
        doc_tab_index = self.docs_tab.currentIndex()
        self.doc_type_cbo.setCurrentIndex(doc_tab_index)

    @staticmethod
    def hide_doc_widgets(widget, visibility):
        """
        Hides or shows the visibility of the supporting document
        container widgets.
        :param widget: The widget to which the visibility is set.
        :type widget: QWidget
        :param visibility: A boolean to show or hide visibility.
        True hides widget and False shows it.
        :type visibility: Boolean
        """
        widget.setHidden(visibility)

    def update_container(self, str_number):
        """
        Update the current supporting document widget container to be used.
        :param str_number: The STR node number
        :type str_number: Integer
        """
        doc_text = self.doc_type_cbo.currentText()
        cbo_index = self.doc_type_cbo.currentIndex()
        doc_id = self.doc_type_cbo.itemData(cbo_index)
        scroll_area = self.docs_tab.findChild(
            QScrollArea, 'tab_scroll_area_{}'.format(doc_text, str_number))
        doc_widget = scroll_area.findChild(
            QWidget, 'doc_widget_{}_{}'.format(doc_text, str_number))
        # If the doc widget doesn't exist create it for new STR instance
        if doc_widget is None:
            # find the doc_widget layout that contains
            # all STR doc widget layouts. Single
            # doc_widget_layout is created for each document type.
            # But all doc_widgets for each STR instance and
            # document types will be added here.
            doc_widget_layout = scroll_area.findChild(
                QVBoxLayout, 'doc_widget_layout_{}'.format(doc_text))

            doc_widget = QWidget()
            doc_widget.setObjectName('doc_widget_{}_{}'.format(
                doc_text, str_number))
            self.hide_all_other_widget(doc_text, str_number)
            doc_widget_layout.addWidget(doc_widget)
            # Create the layout so that layouts are registered in
            # which uploaded document widgets are added.
            layout = QVBoxLayout(doc_widget)
            layout.setObjectName('layout_{}_{}'.format(doc_text, str_number))
        # If the doc widget exists, get the lowest
        # layout so that it is registered.
        else:
            # hide all other widgets
            self.hide_all_other_widget(doc_text, str_number)
            # show the current doc widget to display
            # the document widgets for the current tab.
            self.hide_doc_widgets(doc_widget, False)
            layout = doc_widget.findChild(
                QVBoxLayout, 'layout_{}_{}'.format(doc_text, str_number))
        # register layout
        self.supporting_doc_manager.registerContainer(layout, doc_id)

    def hide_all_other_widget(self, doc_text, str_number):
        """
        Hides all other supporting document widget except the current
        STR node widget.
        :param doc_text: The current document type selected.
        :type doc_text: String
        :param str_number: The STR node number
        :type str_number: Integer
        """
        expression = QRegExp('doc_widget*')
        # hide all existing widgets in all layouts
        for widget in self.docs_tab.findChildren(QWidget, expression):
            if widget.objectName() != 'doc_widget_{}_{}'.format(
                    doc_text, str_number):
                self.hide_doc_widgets(widget, True)

    def on_upload_document(self):
        '''
        Slot raised when the user clicks
        to upload a supporting document.
        '''
        document_str = QApplication.translate(
            "SupportingDocuments", "Specify the Document File Location")
        documents = self.select_file_dialog(document_str)

        cbo_index = self.doc_type_cbo.currentIndex()
        doc_id = self.doc_type_cbo.itemData(cbo_index)

        for doc in documents:
            self.supporting_doc_manager.insertDocumentFromFile(
                doc, doc_id, self.social_tenure, self.current_party_count)

        # Set last path
        if len(documents) > 0:
            doc = documents[0]
            fi = QFileInfo(doc)
            dir_path = fi.absolutePath()
            set_last_document_path(dir_path)

            model_objs = self.supporting_doc_manager.model_objects()
            self.onUploadDocument.emit(model_objs)

    def select_file_dialog(self, title):
        """
        Displays a file dialog for a user to specify a source document
        :param title: The title of the file dialog
        :type title: String
        """
        # Get last path for supporting documents
        last_path = last_document_path()
        if last_path is None:
            last_path = '/home'

        files, _ = QFileDialog.getOpenFileNames(
            iface.mainWindow(), title, last_path,
            "Source Documents (*.jpg *.jpeg *.png *.bmp *.tiff *.svg)")
        return files
class HistoryDiffViewerWidget(QWidget):

    def __init__(self, dialog, server, user, repo, graph, layer=None, initialSimplify=False):
        self.graph = graph
        self.dialog = dialog
        self.server = server
        self.user = user
        self.repo = repo 
        self.layer = layer
        self.afterLayer = None
        self.beforeLayer = None
        self.extraLayers = [] # layers for the "Map" tab
        QWidget.__init__(self, iface.mainWindow())
        self.setWindowFlags(Qt.Window)
        self.simplifyLog = initialSimplify
        self.initGui()
        self.tabWidget.setVisible(False)
        self.setLabelText("Select a commit to show its content")
        self.label.setVisible(False)
        if self.graph.commits:
            self.history.setCurrentItem(self.history.topLevelItem(0))
            self.itemChanged(self.history.topLevelItem(0), None)
        self.history.currentItemChanged.connect(self.itemChanged)

    def setShowPopup(self, show):
        self.history.showPopup = show 

    def initGui(self):
        layout = QVBoxLayout()
        splitter = QSplitter()
        splitter.setOrientation(Qt.Vertical)

        self.history = HistoryTree(self.dialog)
        self.history.updateContent(self.server, self.user, self.repo, self.graph, self.layer)
        self.historyWithFilter = HistoryTreeWrapper(self.history)
        if self.simplifyLog:
            self.historyWithFilter.simplify(True)
        splitter.addWidget(self.historyWithFilter)
        self.tabWidget = QTabWidget()
        self.tabCanvas = QWidget()
        tabLayout = QVBoxLayout()
        tabLayout.setMargin(0)        
        self.canvas = QgsMapCanvas(self.tabCanvas)
        self.canvas.setCanvasColor(Qt.white)
        self.panTool = QgsMapToolPan(self.canvas)
        self.canvas.setMapTool(self.panTool)
        tabLayout.addWidget(self.canvas)
        self.labelNoChanges = QLabel("This commit doesn't change any geometry")
        self.labelNoChanges.setAlignment(Qt.AlignCenter)
        self.labelNoChanges.setVisible(False)
        tabLayout.addWidget(self.labelNoChanges)
        self.tabCanvas.setLayout(tabLayout)
        self.summaryTextBrowser = QTextBrowser()
        self.summaryTextBrowser.setOpenLinks(False)
        self.summaryTextBrowser.anchorClicked.connect(self.summaryTextBrowserAnchorClicked)
        self.tabWidget.addTab(self.summaryTextBrowser, "Commit Summary")
        self.tabWidget.addTab(self.tabCanvas, "Map")
        tabLayout = QVBoxLayout()
        tabLayout.setMargin(0)
        self.tabDiffViewer = QWidget()
        self.diffViewer = DiffViewerWidget({})
        tabLayout.addWidget(self.diffViewer)
        self.tabDiffViewer.setLayout(tabLayout)
        self.tabWidget.addTab(self.tabDiffViewer, "Attributes")
        splitter.addWidget(self.tabWidget)
        self.label = QTextBrowser()
        self.label.setVisible(False)
        splitter.addWidget(self.label)
        self.tabWidget.setCurrentWidget(self.tabDiffViewer)

        layout.addWidget(splitter)
        self.setLayout(layout)

        exportDiffButton = QPushButton("Export this commit's DIFF for all layers")
        exportDiffButton.clicked.connect(self.exportDiffAllLayers)

        layout.addWidget(exportDiffButton)
        self.label.setMinimumHeight(self.tabWidget.height())        
        self.setWindowTitle("Repository history")

    def summaryTextBrowserAnchorClicked(self,url):
        url = url.url() #convert to string
        item = self.history.currentItem()
        if item is None:
            return
        commitid = item.commit.commitid

        cmd,layerName = url.split(".",1)
        if cmd == "addLive":
            execute(lambda: self.history.exportVersion(layerName,commitid,True))
        elif cmd == "addGeoPKG":
            self.history.exportVersion(layerName,commitid,False)
        elif cmd == "exportDiff":
            execute(lambda: self.history.exportDiff(item, None,layer=layerName))

    def exportDiffAllLayers(self):
        item = self.history.currentItem()
        if item is not None:
            self.history.exportDiff(item, None)

    def setLabelText(self,text):
        self.label.setHtml("<br><br><br><center><b>{}</b></center>".format(text))

    def setContent(self, server, user, repo, graph, layer = None):
        self.server = server
        self.user = user
        self.repo = repo
        self.layer = layer
        self.graph = graph
        self.historyWithFilter.updateContent(server, user, repo, graph, layer)
        if self.history.graph.commits:
            self.history.setCurrentItem(self.history.topLevelItem(0))

    def itemChanged(self, current, previous, THRESHOLD = 1500):
        item = self.history.currentItem()
        if item is not None:
            commit = self.graph.getById(item.ref)
            if commit is None:
                self.tabWidget.setVisible(False)
                self.setLabelText("Select a commit to show its content")
                self.label.setVisible(True)
                return

            commit2 = commit.commitid + "~1"

            if not item.commit.hasParents():
                commit2 = "0000000000000000"

            total,details = self.server.diffSummary(self.user, self.repo,  commit2,commit.commitid)
            tooLargeDiff = total > THRESHOLD
            if tooLargeDiff:
                 html = "<br><br><center><b><font size=+3>Commit <font size=-0.1><tt>{}</tt></font> DIFF is too large to be shown</b></font><br>".format(commit.commitid[:8])
            else:
                html = "<br><br><center><b><font size=+3>Commit <font size=-0.1><tt>{}</tt></font> Summary</b></font><br>".format(commit.commitid[:8])
            html += "<table>"
            html += "<tr><Td style='padding:5px'><b>Layer&nbsp;Name</b></td><td style='padding:5px'><b>Additions</b></td><td style='padding:5px'><b>Deletions</b></td><td style='padding:5px'><b>Modifications</b></td><td></td><td></td><td></td></tr>"
            for detail in details.values():
                html += "<tr><td style='padding:5px'>{}</td><td style='padding:5px'><center>{:,}</center></td><td style='padding:5px'><center>{:,}</center></td><td style='padding:5px'><center>{:,}</center></td><td style='padding:5px'>{}</td><td style='padding:5px'>{}</td><td style='padding:5px'>{}</td></tr>".format(
                    detail["path"],
                    int(detail["featuresAdded"]), int(detail["featuresRemoved"]),int(detail["featuresChanged"]),
                    "<a href='addLive.{}'>Add Live</a>".format(detail["path"]),
                    "<a href='addGeoPKG.{}'>Add GeoPKG</a>".format(detail["path"]),
                    "<a href='exportDiff.{}'>Export Diff</a>".format(detail["path"])
                )
            html += "<tr></tr>"
            html += "<tr><td colspan=4>There is a total of {:,} features changed</td></tr>".format(total)
            html += "</table>"
            # html += "<br><br>There is a total of {:,} features changed".format(total)
            self.summaryTextBrowser.setHtml(html)
            self.label.setVisible(False)
            self.tabWidget.setVisible(True)
            self.tabWidget.setTabEnabled(1,not tooLargeDiff)
            self.tabWidget.setTabEnabled(2,not tooLargeDiff)
            if not tooLargeDiff:
                self.setDiffContent(commit, commit2)
        else:
            self.tabWidget.setVisible(False)
            self.setLabelText("Select a commit to show its content")
            self.label.setVisible(True)

    def setDiffContent(self, commit, commit2):
        if self.layer is None:
            layers = set(self.server.layers(self.user, self.repo, commit.commitid))
            layers2 = set(self.server.layers(self.user, self.repo, commit2))
            layers = layers.union(layers2)
        else:
            layers = [self.layer]

        diffs = {layer: execute(lambda: self.server.diff(self.user, self.repo, layer, commit.commitid, commit2)) for layer in layers}
        diffs = {key:value for (key,value) in diffs.items() if len(value) !=0}
        layers = [l for l in diffs.keys()]
        self.diffViewer.setChanges(diffs)

        self.canvas.setLayers([])
        self.removeMapLayers()
        extent = QgsRectangle()
        for layer in layers:
            if not diffs[layer]:
                continue
            beforeLayer, afterLayer = execute(lambda: self._getLayers(diffs[layer]))
            if afterLayer is not None:
                resourcesPath =  os.path.join(os.path.dirname(__file__), os.pardir, "resources")
                oldStylePath = os.path.join(resourcesPath, "{}_before.qml".format(
                                            QgsWkbTypes.geometryDisplayString(beforeLayer.geometryType())))
                newStylePath = os.path.join(resourcesPath, "{}_after.qml".format(
                                            QgsWkbTypes.geometryDisplayString(afterLayer.geometryType())))

                beforeLayer.loadNamedStyle(oldStylePath)
                afterLayer.loadNamedStyle(newStylePath)

                QgsProject.instance().addMapLayer(beforeLayer, False)
                QgsProject.instance().addMapLayer(afterLayer, False)

                extent.combineExtentWith(beforeLayer.extent())
                extent.combineExtentWith(afterLayer.extent())
                self.extraLayers.append(beforeLayer)
                self.extraLayers.append(afterLayer)
        # make extent a bit bit (10%) bigger
        # this gives some margin around the dataset (not cut-off at edges)
        if not extent.isEmpty():
            widthDelta = extent.width() * 0.05
            heightDelta = extent.height() * 0.05
            extent = QgsRectangle(extent.xMinimum() - widthDelta,
                                  extent.yMinimum() - heightDelta,
                                  extent.xMaximum() + widthDelta,
                                  extent.yMaximum() + heightDelta)

        layers = self.extraLayers
        hasChanges = False
        for layer in layers:
            if layer is not None and layer.featureCount() > 0:
                hasChanges = True
                break
        self.canvas.setLayers(layers)
        self.canvas.setExtent(extent)
        self.canvas.refresh()
                
        self.canvas.setVisible(hasChanges)
        self.labelNoChanges.setVisible(not hasChanges)

    def _getLayers(self, changes):
        ADDED, MODIFIED, REMOVED,  = 0, 1, 2
        def _feature(g, changeType):
            feat = QgsFeature()
            if g is not None:
                feat.setGeometry(g)
            feat.setAttributes([changeType])
            return feat
        if changes:
            f = changes[0]
            new = f["new"]            
            old = f["old"]
            reference = new or old
            geomtype = QgsWkbTypes.displayString(reference.geometry().wkbType())
            oldLayer = loadLayerNoCrsDialog(geomtype + "?crs=epsg:4326&field=geogig.changeType:integer", "old", "memory")
            newLayer = loadLayerNoCrsDialog(geomtype + "?crs=epsg:4326&field=geogig.changeType:integer", "new", "memory")
            oldFeatures = []
            newFeatures = []
            for f in changes:            
                new = f["new"]        
                old = f["old"]                  
                newGeom = new.geometry() if new is not None else None
                oldGeom = old.geometry() if old is not None else None
                if oldGeom is None:
                    feature = _feature(newGeom, ADDED)
                    newFeatures.append(feature)
                elif newGeom is None:
                    feature = _feature(oldGeom, REMOVED)
                    oldFeatures.append(feature)
                elif oldGeom.asWkt() != newGeom.asWkt():
                    feature = _feature(oldGeom, MODIFIED)
                    oldFeatures.append(feature)
                    feature = _feature(newGeom, MODIFIED)
                    newFeatures.append(feature)
                else:
                    feature = _feature(newGeom, MODIFIED)
                    newFeatures.append(feature)
            oldLayer.dataProvider().addFeatures(oldFeatures)
            newLayer.dataProvider().addFeatures(newFeatures)
        else:
            oldLayer = None
            newLayer = None

        return oldLayer, newLayer

    def removeMapLayers(self):
        for layer in self.extraLayers:
            if layer is not None:
                    QgsProject.instance().removeMapLayer(layer.id())
        self.extraLayers = []
Exemple #8
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
Exemple #9
0
class ModelerParametersWidget(QWidget):

    def __init__(self, alg, model, algName=None, configuration=None, dialog=None, context=None):
        super().__init__()
        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 = context
        self.dialog = dialog

        self.widget = ModelerParametersPanelWidget(alg, model, algName, configuration, dialog, context)

        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

    def algorithm(self):
        return self._alg

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

    def setupUi(self):
        self.mainLayout = QVBoxLayout()
        self.mainLayout.setContentsMargins(0, 0, 0, 0)
        self.tab = QTabWidget()
        self.mainLayout.addWidget(self.tab)

        self.param_widget = QgsPanelWidgetStack()
        self.widget.setDockMode(True)
        self.param_widget.setMainPanel(self.widget)

        self.tab.addTab(self.param_widget, 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.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 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):
        alg = self.widget.createAlgorithm()
        if alg:
            alg.comment().setDescription(self.comments())
            alg.comment().setColor(self.commentColor())
        return alg
Exemple #10
0
class DebuggerWidget(QMainWindow):
    def __init__(self, parent=None):
        QMainWindow.__init__(self, parent)

        self.setWindowTitle("First Aid - Debugger")

        self.text_edits = {}  # fully expanded path of the file -> associated SourceWidget
        self.toolbar = self.addToolBar("General")
        self.toolbar.setObjectName("ToolbarGeneral")

        self.tab_widget = QTabWidget()
        self.tab_widget.setTabsClosable(True)
        self.tab_widget.tabCloseRequested.connect(self.on_tab_close_requested)
        self.tab_widget.currentChanged.connect(self.on_pos_changed)

        self.setCentralWidget(self.tab_widget)

        _icon = lambda x: QIcon(os.path.join(os.path.dirname(__file__), "icons", x + ".svg"))

        self.action_load = self.toolbar.addAction(_icon("folder-outline"), "Load Python file (Ctrl+O)", self.on_load)
        self.action_load.setShortcut("Ctrl+O")
        self.action_run = self.toolbar.addAction(_icon("run"), "Run Python file (Ctrl+R)", self.on_run)
        self.action_run.setShortcut("Ctrl+R")
        self.action_bp = self.toolbar.addAction(_icon("record"), "Toggle breakpoint (F9)", self.on_toggle_breakpoint)
        self.action_bp.setShortcut("F9")
        self.toolbar.addSeparator()
        self.action_continue = self.toolbar.addAction(_icon("play"), "Continue (F5)", self.on_continue)
        self.action_continue.setShortcut("F5")
        self.action_step_into = self.toolbar.addAction(_icon("debug-step-into"), "Step into (F11)", self.on_step_into)
        self.action_step_into.setShortcut("F11")
        self.action_step_over = self.toolbar.addAction(_icon("debug-step-over"), "Step over (F10)", self.on_step_over)
        self.action_step_over.setShortcut("F10")
        self.action_step_out = self.toolbar.addAction(_icon("debug-step-out"), "Step out (Shift+F11)", self.on_step_out)
        self.action_step_out.setShortcut("Shift+F11")
        self.action_run_to_cursor = self.toolbar.addAction(_icon("cursor-default-outline"), "Run to cursor (Ctrl+F10)",
                                                           self.on_run_to_cursor)
        self.action_run_to_cursor.setShortcut("Ctrl+F10")

        self.vars_view = VariablesView()
        self.frames_view = FramesView()

        self.dock_frames = QDockWidget("Frames", self)
        self.dock_frames.setObjectName("DockFrames")
        self.dock_frames.setWidget(self.frames_view)
        self.addDockWidget(Qt.BottomDockWidgetArea, self.dock_frames)

        self.dock_vars = QDockWidget("Variables", self)
        self.dock_vars.setObjectName("DockVariables")
        self.dock_vars.setWidget(self.vars_view)
        self.addDockWidget(Qt.BottomDockWidgetArea, self.dock_vars)

        self.resize(800, 800)

        self.debugger = Debugger(self)

        self.update_buttons()

        settings = QSettings()
        self.restoreGeometry(settings.value("/plugins/firstaid/debugger-geometry", b''))
        self.restoreState(settings.value("/plugins/firstaid/debugger-windowstate", b''))

        filenames = settings.value("/plugins/firstaid/debugger-files", [])
        if filenames is None:
            filenames = []

        # load files from previous session
        for filename in filenames:
            self.load_file(filename)

        if self.tab_widget.count() > 1:
            self.tab_widget.setCurrentIndex(0)

        # start tracing
        self.start_tracing()

    def start_tracing(self):
        """ called from constructor or when the debugger window is opened again """
        sys.settrace(self.debugger.trace_function)

    def closeEvent(self, event):

        # disable tracing
        sys.settrace(None)

        settings = QSettings()
        settings.setValue("/plugins/firstaid/debugger-geometry", self.saveGeometry())
        settings.setValue("/plugins/firstaid/debugger-windowstate", self.saveState())

        filenames = list(self.text_edits.keys())
        settings.setValue("/plugins/firstaid/debugger-files", filenames)

        QMainWindow.closeEvent(self, event)

    def load_file(self, filename):
        filename = os.path.normpath(os.path.realpath(filename))

        if filename in self.text_edits:
            self.switch_to_file(filename)
            return  # already there...
        try:
            self.text_edits[filename] = SourceWidget(filename)
        except IOError:
            # TODO: display warning we failed to read the file
            return
        tab_text = os.path.basename(filename)
        self.tab_widget.addTab(self.text_edits[filename], tab_text)
        self.tab_widget.setTabToolTip(self.tab_widget.count() - 1, filename)
        self.tab_widget.setCurrentWidget(self.text_edits[filename])
        self.text_edits[filename].cursorPositionChanged.connect(self.on_pos_changed)
        self.on_pos_changed()

    def switch_to_file(self, filename):
        if filename in self.text_edits:
            self.tab_widget.setCurrentWidget(self.text_edits[filename])

    def unload_file(self, filename):
        for index in range(self.tab_widget.count()):
            if self.text_edits[filename] == self.tab_widget.widget(index):
                self.tab_widget.removeTab(index)
                del self.text_edits[filename]
                break

    def get_file_name(self, args):
        if isinstance(args, tuple):
            return args[0]
        elif isinstance(args, str):
            return args

        return ""


    def on_load(self):

        settings = QSettings()
        folder = settings.value("firstaid/lastFolder", '')

        args = QFileDialog.getOpenFileName(self, "Load", folder, "Python files (*.py)")
        filename = self.get_file_name(args)
        if not filename: return 

        settings.setValue("firstaid/lastFolder", os.path.dirname(filename))
        self.load_file(filename)

    def on_tab_close_requested(self, index):
        self.unload_file(self.tab_widget.widget(index).filename)

    def on_pos_changed(self):
        if not self.current_text_edit():
            self.statusBar().showMessage("[no file]")
            return
        c = self.current_text_edit().textCursor()
        line = c.blockNumber() + 1
        col = c.positionInBlock() + 1
        self.statusBar().showMessage("%d:%d" % (line, col))

    def on_run(self):
        globals = None
        locals = None
        if globals is None:
            import __main__
            globals = __main__.__dict__
        if locals is None:
            locals = globals
        execfile(self.tab_widget.currentWidget().filename, globals, locals)

    def current_text_edit(self):
        return self.tab_widget.currentWidget()

    def on_toggle_breakpoint(self):
        if self.current_text_edit():
            self.current_text_edit().toggle_breakpoint()

    def update_buttons(self):
        active = self.debugger.stopped
        self.action_step_into.setEnabled(active)
        self.action_step_over.setEnabled(active)
        self.action_step_out.setEnabled(active)
        self.action_run_to_cursor.setEnabled(active)
        self.action_continue.setEnabled(active)

    def on_step_into(self):
        self.debugger.stepping = True
        self.debugger.next_step = None
        self.debugger.ev_loop.exit(0)

    def on_step_over(self):
        self.debugger.stepping = True
        self.debugger.next_step = (
        'over', self.debugger.current_frame.f_code.co_filename, self.debugger.current_frame.f_lineno)
        self.debugger.ev_loop.exit(0)

    def on_step_out(self):
        self.debugger.stepping = True
        self.debugger.next_step = ('out', frame_depth(self.debugger.current_frame))
        self.debugger.ev_loop.exit(0)

    def on_run_to_cursor(self):
        self.debugger.stepping = True
        filename = self.tab_widget.currentWidget().filename
        line_no = self.tab_widget.currentWidget().textCursor().blockNumber() + 1
        self.debugger.next_step = ('at', filename, line_no)
        self.debugger.ev_loop.exit(0)

    def on_continue(self):
        self.debugger.stepping = False
        self.current_text_edit().debug_line = -1
        self.current_text_edit().update_highlight()
        self.vars_view.setVariables({})
        self.frames_view.setTraceback(None)
        self.debugger.ev_loop.exit(0)
Exemple #11
0
class DBManager(QMainWindow):

    def __init__(self, iface, parent=None):
        QMainWindow.__init__(self, parent)
        self.setAttribute(Qt.WA_DeleteOnClose)
        self.setupUi()
        self.iface = iface

        # restore the window state
        settings = QgsSettings()
        self.restoreGeometry(settings.value("/DB_Manager/mainWindow/geometry", QByteArray(), type=QByteArray))
        self.restoreState(settings.value("/DB_Manager/mainWindow/windowState", QByteArray(), type=QByteArray))

        self.tabs.currentChanged.connect(self.tabChanged)
        self.tree.selectedItemChanged.connect(self.itemChanged)
        self.tree.model().dataChanged.connect(self.iface.reloadConnections)
        self.itemChanged(None)

    def closeEvent(self, e):
        self.unregisterAllActions()
        # clear preview, this will delete the layer in preview tab
        self.preview.loadPreview(None)

        # save the window state
        settings = QgsSettings()
        settings.setValue("/DB_Manager/mainWindow/windowState", self.saveState())
        settings.setValue("/DB_Manager/mainWindow/geometry", self.saveGeometry())

        QMainWindow.closeEvent(self, e)

    def refreshItem(self, item=None):
        with OverrideCursor(Qt.WaitCursor):
            try:
                if item is None:
                    item = self.tree.currentItem()
                self.tree.refreshItem(item)  # refresh item children in the db tree
            except BaseError as e:
                DlgDbError.showError(e, self)

    def itemChanged(self, item):
        with OverrideCursor(Qt.WaitCursor):
            try:
                self.reloadButtons()
                # clear preview, this will delete the layer in preview tab
                self.preview.loadPreview(None)
                self.refreshTabs()
            except BaseError as e:
                DlgDbError.showError(e, self)

    def reloadButtons(self):
        db = self.tree.currentDatabase()
        if not hasattr(self, '_lastDb'):
            self._lastDb = db

        elif db == self._lastDb:
            return

        # remove old actions
        if self._lastDb is not None:
            self.unregisterAllActions()

        # add actions of the selected database
        self._lastDb = db
        if self._lastDb is not None:
            self._lastDb.registerAllActions(self)

    def tabChanged(self, index):
        with OverrideCursor(Qt.WaitCursor):
            try:
                self.refreshTabs()
            except BaseError as e:
                DlgDbError.showError(e, self)

    def refreshTabs(self):
        index = self.tabs.currentIndex()
        item = self.tree.currentItem()
        table = self.tree.currentTable()

        # enable/disable tabs
        self.tabs.setTabEnabled(self.tabs.indexOf(self.table), table is not None)
        self.tabs.setTabEnabled(self.tabs.indexOf(self.preview), table is not None and table.type in [table.VectorType,
                                                                                                      table.RasterType] and table.geomColumn is not None)
        # show the info tab if the current tab is disabled
        if not self.tabs.isTabEnabled(index):
            self.tabs.setCurrentWidget(self.info)

        current_tab = self.tabs.currentWidget()
        if current_tab == self.info:
            self.info.showInfo(item)
        elif current_tab == self.table:
            self.table.loadData(item)
        elif current_tab == self.preview:
            self.preview.loadPreview(item)

    def refreshActionSlot(self):
        self.info.setDirty()
        self.table.setDirty()
        self.preview.setDirty()
        self.refreshItem()

    def importActionSlot(self):
        db = self.tree.currentDatabase()
        if db is None:
            self.infoBar.pushMessage(self.tr("No database selected or you are not connected to it."),
                                     Qgis.Info, self.iface.messageTimeout())
            return

        outUri = db.uri()
        schema = self.tree.currentSchema()
        if schema:
            outUri.setDataSource(schema.name, "", "", "")

        from .dlg_import_vector import DlgImportVector

        dlg = DlgImportVector(None, db, outUri, self)
        dlg.exec_()

    def exportActionSlot(self):
        table = self.tree.currentTable()
        if table is None:
            self.infoBar.pushMessage(self.tr("Select the table you want export to file."), Qgis.Info,
                                     self.iface.messageTimeout())
            return

        inLayer = table.toMapLayer()
        if inLayer.type() != QgsMapLayer.VectorLayer:
            self.infoBar.pushMessage(
                self.tr("Select a vector or a tabular layer you want export."),
                Qgis.Warning, self.iface.messageTimeout())
            return

        from .dlg_export_vector import DlgExportVector

        dlg = DlgExportVector(inLayer, table.database(), self)
        dlg.exec_()

        inLayer.deleteLater()

    def runSqlWindow(self):
        db = self.tree.currentDatabase()
        if db is None:
            self.infoBar.pushMessage(self.tr("No database selected or you are not connected to it."),
                                     Qgis.Info, self.iface.messageTimeout())
            # force displaying of the message, it appears on the first tab (i.e. Info)
            self.tabs.setCurrentIndex(0)
            return

        from .dlg_sql_window import DlgSqlWindow

        query = DlgSqlWindow(self.iface, db, self)
        dbname = db.connection().connectionName()
        tabname = self.tr("Query ({0})").format(dbname)
        index = self.tabs.addTab(query, tabname)
        self.tabs.setTabIcon(index, db.connection().icon())
        self.tabs.setCurrentIndex(index)
        query.nameChanged.connect(functools.partial(self.update_query_tab_name, index, dbname))

    def runSqlLayerWindow(self, layer):
        from .dlg_sql_layer_window import DlgSqlLayerWindow
        query = DlgSqlLayerWindow(self.iface, layer, self)
        lname = layer.name()
        tabname = self.tr("Layer ({0})").format(lname)
        index = self.tabs.addTab(query, tabname)
        # self.tabs.setTabIcon(index, db.connection().icon())
        self.tabs.setCurrentIndex(index)

    def update_query_tab_name(self, index, dbname, queryname):
        if not queryname:
            queryname = self.tr("Query")
        tabname = u"%s (%s)" % (queryname, dbname)
        self.tabs.setTabText(index, tabname)

    def showSystemTables(self):
        self.tree.showSystemTables(self.actionShowSystemTables.isChecked())

    def registerAction(self, action, menuName, callback=None):
        """ register an action to the manager's main menu """
        if not hasattr(self, '_registeredDbActions'):
            self._registeredDbActions = {}

        if callback is not None:
            def invoke_callback(x):
                return self.invokeCallback(callback)

        if menuName is None or menuName == "":
            self.addAction(action)

            if menuName not in self._registeredDbActions:
                self._registeredDbActions[menuName] = list()
            self._registeredDbActions[menuName].append(action)

            if callback is not None:
                action.triggered.connect(invoke_callback)
            return True

        # search for the menu
        actionMenu = None
        helpMenuAction = None
        for a in self.menuBar.actions():
            if not a.menu() or a.menu().title() != menuName:
                continue
            if a.menu() != self.menuHelp:
                helpMenuAction = a

            actionMenu = a
            break

        # not found, add a new menu before the help menu
        if actionMenu is None:
            menu = QMenu(menuName, self)
            if helpMenuAction is not None:
                actionMenu = self.menuBar.insertMenu(helpMenuAction, menu)
            else:
                actionMenu = self.menuBar.addMenu(menu)

        menu = actionMenu.menu()
        menuActions = menu.actions()

        # get the placeholder's position to insert before it
        pos = 0
        for pos in range(len(menuActions)):
            if menuActions[pos].isSeparator() and menuActions[pos].objectName().endswith("_placeholder"):
                menuActions[pos].setVisible(True)
                break

        if pos < len(menuActions):
            before = menuActions[pos]
            menu.insertAction(before, action)
        else:
            menu.addAction(action)

        actionMenu.setVisible(True)  # show the menu

        if menuName not in self._registeredDbActions:
            self._registeredDbActions[menuName] = list()
        self._registeredDbActions[menuName].append(action)

        if callback is not None:
            action.triggered.connect(invoke_callback)

        return True

    def invokeCallback(self, callback, *params):
        """ Call a method passing the selected item in the database tree,
                the sender (usually a QAction), the plugin mainWindow and
                optionally additional parameters.

                This method takes care to override and restore the cursor,
                but also catches exceptions and displays the error dialog.
        """
        with OverrideCursor(Qt.WaitCursor):
            try:
                callback(self.tree.currentItem(), self.sender(), self, *params)
            except BaseError as e:
                # catch database errors and display the error dialog
                DlgDbError.showError(e, self)

    def unregisterAction(self, action, menuName):
        if not hasattr(self, '_registeredDbActions'):
            return

        if menuName is None or menuName == "":
            self.removeAction(action)

            if menuName in self._registeredDbActions:
                if self._registeredDbActions[menuName].count(action) > 0:
                    self._registeredDbActions[menuName].remove(action)

            action.deleteLater()
            return True

        for a in self.menuBar.actions():
            if not a.menu() or a.menu().title() != menuName:
                continue

            menu = a.menu()
            menuActions = menu.actions()

            menu.removeAction(action)
            if menu.isEmpty():  # hide the menu
                a.setVisible(False)

            if menuName in self._registeredDbActions:
                if self._registeredDbActions[menuName].count(action) > 0:
                    self._registeredDbActions[menuName].remove(action)

                # hide the placeholder if there're no other registered actions
                if len(self._registeredDbActions[menuName]) <= 0:
                    for i in range(len(menuActions)):
                        if menuActions[i].isSeparator() and menuActions[i].objectName().endswith("_placeholder"):
                            menuActions[i].setVisible(False)
                            break

            action.deleteLater()
            return True

        return False

    def unregisterAllActions(self):
        if not hasattr(self, '_registeredDbActions'):
            return

        for menuName in self._registeredDbActions:
            for action in list(self._registeredDbActions[menuName]):
                self.unregisterAction(action, menuName)
        del self._registeredDbActions

    def close_tab(self, index):
        widget = self.tabs.widget(index)
        if widget not in [self.info, self.table, self.preview]:
            self.tabs.removeTab(index)
            widget.deleteLater()

    def setupUi(self):
        self.setWindowTitle(self.tr("DB Manager"))
        self.setWindowIcon(QIcon(":/db_manager/icon"))
        self.resize(QSize(700, 500).expandedTo(self.minimumSizeHint()))

        # create central tab widget and add the first 3 tabs: info, table and preview
        self.tabs = QTabWidget()
        self.info = InfoViewer(self)
        self.tabs.addTab(self.info, self.tr("Info"))
        self.table = TableViewer(self)
        self.tabs.addTab(self.table, self.tr("Table"))
        self.preview = LayerPreview(self)
        self.tabs.addTab(self.preview, self.tr("Preview"))
        self.setCentralWidget(self.tabs)

        # display close button for all tabs but the first 3 ones, i.e.
        # HACK: just hide the close button where not needed (GS)
        self.tabs.setTabsClosable(True)
        self.tabs.tabCloseRequested.connect(self.close_tab)
        tabbar = self.tabs.tabBar()
        for i in range(3):
            btn = tabbar.tabButton(i, QTabBar.RightSide) if tabbar.tabButton(i, QTabBar.RightSide) else tabbar.tabButton(i, QTabBar.LeftSide)
            btn.resize(0, 0)
            btn.hide()

        # Creates layout for message bar
        self.layout = QGridLayout(self.info)
        self.layout.setContentsMargins(0, 0, 0, 0)
        spacerItem = QSpacerItem(20, 40, QSizePolicy.Minimum, QSizePolicy.Expanding)
        self.layout.addItem(spacerItem, 1, 0, 1, 1)
        # init messageBar instance
        self.infoBar = QgsMessageBar(self.info)
        sizePolicy = QSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
        self.infoBar.setSizePolicy(sizePolicy)
        self.layout.addWidget(self.infoBar, 0, 0, 1, 1)

        # create database tree
        self.dock = QDockWidget("Tree", self)
        self.dock.setObjectName("DB_Manager_DBView")
        self.dock.setFeatures(QDockWidget.DockWidgetMovable)
        self.tree = DBTree(self)
        self.dock.setWidget(self.tree)
        self.addDockWidget(Qt.LeftDockWidgetArea, self.dock)

        # create status bar
        self.statusBar = QStatusBar(self)
        self.setStatusBar(self.statusBar)

        # create menus
        self.menuBar = QMenuBar(self)
        self.menuDb = QMenu(self.tr("&Database"), self)
        self.menuBar.addMenu(self.menuDb)
        self.menuSchema = QMenu(self.tr("&Schema"), self)
        actionMenuSchema = self.menuBar.addMenu(self.menuSchema)
        self.menuTable = QMenu(self.tr("&Table"), self)
        actionMenuTable = self.menuBar.addMenu(self.menuTable)
        self.menuHelp = None  # QMenu(self.tr("&Help"), self)
        # actionMenuHelp = self.menuBar.addMenu(self.menuHelp)

        self.setMenuBar(self.menuBar)

        # create toolbar
        self.toolBar = QToolBar("Default", self)
        self.toolBar.setObjectName("DB_Manager_ToolBar")
        self.addToolBar(self.toolBar)

        # create menus' actions

        # menu DATABASE
        sep = self.menuDb.addSeparator()
        sep.setObjectName("DB_Manager_DbMenu_placeholder")
        sep.setVisible(False)

        self.actionRefresh = self.menuDb.addAction(QIcon(":/db_manager/actions/refresh"), self.tr("&Refresh"),
                                                   self.refreshActionSlot, QKeySequence("F5"))
        self.actionSqlWindow = self.menuDb.addAction(QIcon(":/db_manager/actions/sql_window"), self.tr("&SQL window"),
                                                     self.runSqlWindow, QKeySequence("F2"))
        self.menuDb.addSeparator()
        self.actionClose = self.menuDb.addAction(QIcon(), self.tr("&Exit"), self.close, QKeySequence("CTRL+Q"))

        # menu SCHEMA
        sep = self.menuSchema.addSeparator()
        sep.setObjectName("DB_Manager_SchemaMenu_placeholder")
        sep.setVisible(False)

        actionMenuSchema.setVisible(False)

        # menu TABLE
        sep = self.menuTable.addSeparator()
        sep.setObjectName("DB_Manager_TableMenu_placeholder")
        sep.setVisible(False)

        self.actionImport = self.menuTable.addAction(QIcon(":/db_manager/actions/import"),
                                                     self.tr("&Import layer/file"), self.importActionSlot)
        self.actionExport = self.menuTable.addAction(QIcon(":/db_manager/actions/export"), self.tr("&Export to file"),
                                                     self.exportActionSlot)
        self.menuTable.addSeparator()
        #self.actionShowSystemTables = self.menuTable.addAction(self.tr("Show system tables/views"), self.showSystemTables)
        #self.actionShowSystemTables.setCheckable(True)
        #self.actionShowSystemTables.setChecked(True)
        actionMenuTable.setVisible(False)

        # add actions to the toolbar
        self.toolBar.addAction(self.actionRefresh)
        self.toolBar.addAction(self.actionSqlWindow)
        self.toolBar.addAction(self.actionImport)
        self.toolBar.addAction(self.actionExport)
class GeometryDiffViewerDialog(QDialog):

    def __init__(self, geoms, crs, parent = None):
        super(GeometryDiffViewerDialog, self).__init__(parent)
        self.geoms = geoms
        self.crs = crs
        self.initGui()

    def initGui(self):
        layout = QVBoxLayout()
        self.tab = QTabWidget()
        self.table = QTableView()

        self.setLayout(layout)
        self.canvas = QgsMapCanvas()
        self.canvas.setCanvasColor(Qt.white)
        settings = QSettings()
        self.canvas.enableAntiAliasing(settings.value("/qgis/enable_anti_aliasing", False, type = bool))
        self.canvas.useImageToRender(settings.value("/qgis/use_qimage_to_render", False, type = bool))
        self.canvas.mapSettings().setDestinationCrs(self.crs)
        action = settings.value("/qgis/wheel_action", 0, type = float)
        zoomFactor = settings.value("/qgis/zoom_factor", 2, type = float)
        self.canvas.setWheelAction(QgsMapCanvas.WheelAction(action), zoomFactor)
        self.panTool = QgsMapToolPan(self.canvas)
        self.canvas.setMapTool(self.panTool)

        execute(self.createLayers)

        model = GeomDiffTableModel(self.data)
        self.table.setModel(model)
        self.table.resizeColumnsToContents()
        self.table.resizeRowsToContents()
        self.tab.addTab(self.canvas, "Map view")
        self.tab.addTab(self.table, "Table view")
        layout.addWidget(self.tab)

        self.resize(600, 500)
        self.setWindowTitle("Geometry comparison")


    def createLayers(self):
        textGeometries = []
        for geom in self.geoms:
            text = geom.exportToWkt()
            valid = " -1234567890.,"
            text = "".join([c for c in text if c in valid])
            textGeometries.append(text.split(","))
        lines = difflib.Differ().compare(textGeometries[0], textGeometries[1])
        self.data = []
        for line in lines:
            if line.startswith("+"):
                self.data.append([None, line[2:]])
            if line.startswith("-"):
                self.data.append([line[2:], None])
            if line.startswith(" "):
                self.data.append([line[2:], line[2:]])
        types = [("LineString", lineBeforeStyle, lineAfterStyle),
                  ("Polygon", polygonBeforeStyle, polygonAfterStyle)]
        layers = []
        extent = self.geoms[0].boundingBox()
        for i, geom in enumerate(self.geoms):
            geomtype = types[int(geom.type() - 1)][0]
            style = types[int(geom.type() - 1)][i + 1]
            layer = loadLayerNoCrsDialog(geomtype + "?crs=" + self.crs.authid(), "layer", "memory")
            pr = layer.dataProvider()
            feat = QgsFeature()
            feat.setGeometry(geom)
            pr.addFeatures([feat])
            layer.loadNamedStyle(style)
            layer.updateExtents()
            layers.append(layer)
            QgsMapLayerRegistry.instance().addMapLayer(layer, False)
            extent.combineExtentWith(geom.boundingBox())

        layer = loadLayerNoCrsDialog("Point?crs=%s&field=changetype:string" % self.crs.authid(), "points", "memory")
        pr = layer.dataProvider()
        feats = []
        for coords in self.data:
            coord = coords[0] or coords[1]
            feat = QgsFeature()
            x, y = coord.strip().split(" ")
            x, y = (float(x), float(y))
            pt = QgsGeometry.fromPoint(QgsPoint(x, y))
            feat.setGeometry(pt)
            if coords[0] is None:
                changetype = "A"
            elif coords[1] is None:
                changetype = "R"
            else:
                changetype = "U"
            feat.setAttributes([changetype])
            feats.append(feat)

        pr.addFeatures(feats)
        layer.loadNamedStyle(pointsStyle)
        QgsMapLayerRegistry.instance().addMapLayer(layer, False)
        layers.append(layer)

        self.mapLayers = [QgsMapCanvasLayer(lay) for lay in layers]
        self.canvas.setLayerSet(self.mapLayers)
        self.canvas.setExtent(extent)
        self.canvas.refresh()

    def reject(self):
        QDialog.reject(self)
Exemple #13
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class SupportingDocumentsWidget(QWidget):
    """
    Widget for managing an entity's supporting documents. It enables listing
    of documents grouped by tabs depending on type.
    """
    def __init__(self,
                 entity_supporting_document,
                 supporting_doc_model_cls,
                 parent=None):
        """
        Class constructor.
        :param entity_supporting_document: Object containing information
        pertaining to document types, parent entity etc.
        :type entity_supporting_document: EntitySupportingDocument
        :param supporting_doc_model_cls: Class representing the data model
        corresponding to the entity supporting document object.
        :type supporting_doc_model_cls: object
        :param parent: Parent container widget.
        :type parent: QWidget
        """
        QWidget.__init__(self, parent)

        self._init_gui()

        self._entity_supporting_doc = entity_supporting_document

        # Container for document type widgets based on lookup id
        self._doc_type_widgets = {}

        # Init document manager
        self.source_document_manager = SourceDocumentManager(
            self._entity_supporting_doc, supporting_doc_model_cls, self)

        self._load_document_types()

        # Connect signals
        self._btn_add_document.clicked.connect(
            self._on_add_supporting_document)
        self._cbo_doc_type.currentIndexChanged.connect(
            self.on_doc_type_changed)
        self._doc_tab_container.currentChanged.connect(
            self.on_tab_doc_type_changed)

    def _init_gui(self):
        self._gl = QGridLayout(self)
        self._label = QLabel(self)
        self._label.setText(self.tr('Select document type'))
        self._gl.addWidget(self._label, 0, 0, 1, 1)
        self._cbo_doc_type = QComboBox(self)
        self._gl.addWidget(self._cbo_doc_type, 0, 1, 1, 1)
        self._btn_add_document = QPushButton(self)
        doc_ico = GuiUtils.get_icon('document.png')
        self._btn_add_document.setIcon(doc_ico)
        self._btn_add_document.setText(self.tr('Add document...'))
        self._btn_add_document.setMaximumWidth(200)
        self._gl.addWidget(self._btn_add_document, 0, 2, 1, 1)
        self._doc_tab_container = QTabWidget(self)
        self._gl.addWidget(self._doc_tab_container, 1, 0, 1, 3)

        self.setMinimumHeight(140)

    def on_doc_type_changed(self, idx):
        """
        Slot raised when the document types changes. The corresponding
        widget in the tab container is also selected.
        :param idx: Item index in the combobox.
        :type idx: int
        """
        if idx == -1:
            return

        self._doc_tab_container.setCurrentIndex(idx)

    def on_tab_doc_type_changed(self, idx):
        """
        Slot raised when the document types changes. The corresponding
        widget in the tab container is also selected.
        :param idx: Item index in the tab widget.
        :type idx: int
        """
        if idx == -1:
            return

        self._cbo_doc_type.setCurrentIndex(idx)

    def current_document_type(self):
        """
        :return: Returns the currently selected document type in the combobox.
        :rtype: str
        """
        return self._cbo_doc_type.currentText()

    def current_document_type_id(self):
        """
        :return: Returns the primary key/id of the currently selected
        document type in the combobox, else -1 if there is not current
        item in the combobox
        :rtype: int
        """
        if not self.current_document_type():
            return -1

        curr_idx = self._cbo_doc_type.currentIndex()

        return self._cbo_doc_type.itemData(curr_idx)

    def count(self):
        """
        :return: Returns the number of document types supported by this
        widget.
        :rtype: int
        """
        return self._cbo_doc_type.count()

    def document_type_containers(self):
        """
        :return: Returns a list of document container widgets for all
        registered document types.
        :rtype: list
        """
        return list(self.source_document_manager.containers.values())

    def document_type_widget(self, name):
        """
        Searches for the document type widget that corresponds to the given
        name.
        :param name: Name of the document type.
        :type name: str
        :return: Returns the document widget corresponding to the given type
        name.
        :rtype: QWidget
        """
        idx = self._cbo_doc_type.findText(name)

        if idx == -1:
            return None

        rec_id = self._cbo_doc_type.itemData(idx)

        return self._doc_type_widgets.get(rec_id, None)

    def _load_document_types(self):
        # Load document types in the combobox and tab widget
        vl_cls = entity_model(self._entity_supporting_doc.document_type_entity,
                              entity_only=True)

        vl_obj = vl_cls()
        res = vl_obj.queryObject().all()
        for r in res:
            # Add to combo
            self._cbo_doc_type.addItem(r.value, r.id)

            # Add to tab widget
            doc_type_widget = _DocumentTypeContainer(self)
            self._doc_tab_container.addTab(doc_type_widget, r.value)
            self._doc_type_widgets[r.id] = doc_type_widget

            # Register container
            self.source_document_manager.registerContainer(
                doc_type_widget.container, r.id)

    def _on_add_supporting_document(self):
        # Slot raised when the user select to add a supporting document
        if self.count == 0:
            return

        select = self.tr('Select')
        supporting_docs_str = 'Supporting Documents'
        title = '{0} {1} {2}'.format(select, self.current_document_type(),
                                     supporting_docs_str)

        filter_str = '{0} (*.jpg *.jpeg *.png *.bmp *.tiff *.svg *.pdf)'.format(
            supporting_docs_str)

        # Get last path for supporting documents
        last_path = last_document_path()
        if last_path is None:
            last_path = '/home'

        else:
            dir = QDir(last_path)
            if not dir.exists():
                last_path = '/home'

        source_docs, _ = QFileDialog.getOpenFileNames(self, title, last_path,
                                                      filter_str)

        doc_type_id = self._cbo_doc_type.itemData(
            self._cbo_doc_type.currentIndex())
        parent_entity = self._entity_supporting_doc.parent_entity

        for doc in source_docs:
            self.source_document_manager.insertDocumentFromFile(
                doc, doc_type_id, parent_entity)

        # Set last path
        if len(source_docs) > 0:
            doc = source_docs[0]
            fi = QFileInfo(doc)
            dir_path = fi.absolutePath()
            set_last_document_path(dir_path)
Exemple #14
0
    def __init__(self, parent=None):
        """Constructor."""
        QDialog.__init__(self)
        self.parent = parent
        self.setupUi(self)

        self.menu.clicked.connect(self.expand)
        self.menu.clicked.connect(self.display_content)

        self.tree_menu = [
            {
                'label':
                'Import',
                'icon':
                resource('import.png'),
                'content': [{
                    'label': 'Shapefile',
                    'icon': resource('shp.png'),
                    'content': {
                        'widget': OpenShapefileWidget(),
                        'help': help_open_shapefile()
                    }
                }, {
                    'label': 'Raster',
                    'icon': resource('raster.png'),
                    'content': {
                        'widget': OpenRasterWidget(),
                        'help': help_open_raster()
                    }
                }, {
                    'label': 'Table XLS/DBF',
                    'icon': resource('xls.png'),
                    'content': {
                        'widget': OpenXlsDbfFileWidget(),
                        'help': help_open_table()
                    }
                }, {
                    'label': 'Table CSV',
                    'icon': resource('csv.png'),
                    'content': {
                        'widget': OpenCsv(),
                        'help': help_open_csv()
                    }
                }, {
                    'label': 'XY to map',
                    'icon': resource('xy.png'),
                    'content': {
                        'widget': OpenCsv(),
                        'help': help_open_csv()
                    }
                }]
            },
            {
                'label':
                'Analyse',
                'icon':
                resource('gears.png'),
                'content': [{
                    'label':
                    'Blur',
                    'icon':
                    resource('blur.png'),
                    'content': [{
                        'label': 'Blur',
                        'icon': resource('blur.png'),
                        'content': {
                            'widget': BlurWidget(),
                            'help': help_blur()
                        }
                    }, {
                        'label': 'Stats',
                        'icon': resource('sigma.png'),
                        'content': {
                            'widget': StatsWidget(),
                            'help': help_stats_blurring()
                        }
                    }]
                }, {
                    'label':
                    'Autocorrelation',
                    'icon':
                    resource('autocorrelation.png'),
                    'content': [{
                        'label': 'Polygon layer only',
                        'icon': resource('autocorrelation.png'),
                        'content': {
                            'widget': AutocorrelationDialog(),
                            'help': help_autocorrelation()
                        }
                    }]
                }, {
                    'label':
                    'Composite Index',
                    'icon':
                    resource('composite_index.png'),
                    'content': [{
                        'label': 'Polygon layer only',
                        'icon': resource('composite_index.png'),
                        'content': {
                            'widget': CompositeIndexDialog(),
                            'help': help_composite_index()
                        }
                    }]
                }, {
                    'label':
                    'Incidence',
                    'icon':
                    resource('incidence.png'),
                    'content': [{
                        'label': 'Polygon layer only',
                        'icon': resource('incidence.png'),
                        'content': {
                            'widget': IncidenceDialog(),
                            'help': help_incidence()
                        }
                    }, {
                        'label': 'Case and aggregation layers',
                        'icon': resource('incidence.png'),
                        'content': {
                            'widget': IncidencePointDialog(),
                            'help': help_incidence_point()
                        }
                    }]
                }, {
                    'label':
                    'Density',
                    'icon':
                    resource('incidence.png'),
                    'content': [{
                        'label': 'Polygon layer only',
                        'icon': resource('incidence.png'),
                        'content': {
                            'widget': DensityDialog(),
                            'help': help_density()
                        }
                    }, {
                        'label': 'Case and aggregation layers',
                        'icon': resource('incidence.png'),
                        'content': {
                            'widget': DensityPointDialog(),
                            'help': help_density_point()
                        }
                    }]
                }]
            },
            {
                'label':
                'Export',
                'icon':
                resource('export.png'),
                'content': [
                    {
                        'label': 'Attribute table',
                        'icon': resource('csv.png'),
                        'content': {
                            'widget': CsvExport(),
                            'help': help_attribute_table()
                        }
                    },
                    {  # ajoute par Rachel Goree 30/05/2017
                        'label': 'KML',
                        'icon': resource('kml.png'),
                        'content': {
                            'widget': KmlExport(),
                            'help': help_export_kml()
                        }
                    }
                ]
            }
        ]

        self.stack.addWidget(AboutWidget())

        self.help_list = []

        # A category is import, process and export.
        for category_def in self.tree_menu:
            category_menu = QTreeWidgetItem(self.menu)
            category_menu.setIcon(0, QIcon(category_def['icon']))
            category_menu.setText(0, category_def['label'])

            # Sub item
            for sub_category_def in category_def['content']:
                menu_entry = QTreeWidgetItem(category_menu)
                menu_entry.setIcon(0, QIcon(sub_category_def['icon']))
                menu_entry.setText(0, sub_category_def['label'])

                # Add widget or add tab
                if isinstance(sub_category_def['content'], dict):
                    widget = sub_category_def['content']['widget']
                    self.stack.addWidget(widget)
                    self.help_list.append(sub_category_def['content']['help'])
                else:
                    tab = QTabWidget(self.stack)
                    tab.setIconSize(QSize(32, 32))
                    self.stack.addWidget(tab)

                    tab_help = []
                    tab_bar = sub_category_def['content']
                    for item in tab_bar:
                        label = item['label']
                        icon = QIcon(item['icon'])
                        widget = item['content']['widget']
                        help_widget = item['content']['help']
                        tab_help.append(help_widget)
                        tab.addTab(widget, icon, label)
                    self.help_list.append(tab_help)

        self.stack.setCurrentIndex(1)

        # https://github.com/Gustry/GeoPublicHealth/issues/20
        self.menu.setAttribute(Qt.WA_MacShowFocusRect, False)
Exemple #15
0
class InspectionForm(FeatureForm):
    def __init__(self, *args, **kwargs):
        super(InspectionForm, self).__init__(*args, **kwargs)
        self.inspectionforms = []
        self.joinkey = 'insp_loc_id'
        self.mapkeycolumn = 'mapkey'
        self.inspectionformname = 'inspection_data'
        self.countcolum = 'number'

    def uisetup(self):
        """
        Called when the UI is fully constructed.  You should connect any signals here.
        """
        if self.formconfig['type'] == 'auto':
            self.AddInspectionButton = QPushButton()
            self.inspectiontabs = QTabWidget()
            self.layout().addRow(self.AddInspectionButton)
            self.layout().addRow(self.inspectiontabs)

        self.AddInspectionButton.pressed.connect(self.create_new_inspection)

    def load(self, feature, layers, values):
        """
        Called before the form is loaded. This method can be used to do pre checks and halt the loading of the form
        if needed.

        Calling self.cnacelload("Your message") will stop the opening of the form and show the message to the user.

            >>> self.cancelload("Sorry you can't load this form now")

        You may alter the values given in the values dict. It will be passed to the form after this method returns.
        """

        project = self.form.project
        self.inspectionform = project.form_by_name(self.inspectionformname)
        inspectionlayer = self.inspectionform.QGISLayer

        self.AddInspectionButton.setText("Add {}".format(
            self.inspectionform.label))
        self.AddInspectionButton.setIcon(QIcon(self.inspectionform.icon))
        if not self.is_capturing:
            inspections = self.find_inspections(self.feature)
            self.load_inspections(inspections, mapkeycolumn=self.mapkeycolumn)

    def find_inspections(self, feature):
        """
        Override to return the inspections for this form forms feature.
        :param feature:
        :return:
        """
        return []

    def load_inspections(self, inspections, mapkeycolumn):
        """
        Load the given inspections into the form
        :param inspections:
        :param mapkeycolumn:
        :return:
        """
        inspectionlayer = self.inspectionform.QGISLayer
        for inspection in inspections:
            mapkey = inspection['mapkey']
            inspectionfeature = feature_by_key(inspectionlayer, mapkey)
            self._add_inspectionform(inspectionfeature,
                                     editing=True,
                                     label=self.inspectionform.label)

    def create_new_inspection(self):
        """
        Create a new inspection feature and add it to the form
        :return:
        """
        feature = self.inspectionform.new_feature()
        # Give the new feature the key from the parent
        feature[self.joinkey] = self.bindingvalues[self.joinkey]
        self._add_inspectionform(feature,
                                 editing=False,
                                 label=self.inspectionform.label)

    def _add_inspectionform(self, feature, editing=False, label=''):
        """
        Add a new inspection form for the given feature.
        :param feature: The feature to bind to the form
        :param editing: True to set the form into edit mode.
                        False edit mode will add a new feature on save.
        """
        count = len(self.inspectionforms) + 1
        # Increase the inspection count for this feature
        feature[self.countcolum] = count

        # Create a new inspection form widget
        featureform = self.inspectionform.create_featureform(feature,
                                                             editmode=editing)
        featureform.helprequest.connect(self.helprequest.emit)

        # Extract the values from the feature
        values = self.inspectionform.values_from_feature(feature)
        # Bind the values to the feature form
        featureform.bindvalues(values)

        # Add the tab and set the icon
        icon = QIcon(self.inspectionform.icon)
        self._add_tab(featureform, "{label} {count}".format(label=label,
                                                            count=count), icon)

        # If the current count is over the max number of inspections then set the
        # button to disabled so we can't add anymore
        if count >= self.formconfig.get('maxinspections', 2):
            self.AddInspectionButton.setText("Max Inspections")
            self.AddInspectionButton.setEnabled(False)

    def _add_tab(self, widget, name, icon):
        """
        Adds a tab to the tab widget with the given widget, name, and icon.
        :param widget: The widget to add to the tab
        :param name: The name of the tab
        :param icon: The icon of the tab
        """
        index = self.inspectiontabs.addTab(widget, name)
        self.inspectionforms.append(widget)
        self.inspectiontabs.setCurrentIndex(index)
        self.inspectiontabs.setTabIcon(index, icon)

    def save(self):
        """
        Override of the save logic for the feature form

        We override the save logic because we are not saving to the property layer but to the
        InspectionLocation table
        """
        # Save all sub forms
        for subform in self.inspectionforms:
            subform.save()
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 switchToCommentTab(self):
        self.tab.setCurrentIndex(1)
        self.commentEdit.setFocus()
        self.commentEdit.selectAll()

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

        self.resize(650, 450)

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

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

        w = QWidget()
        w.setLayout(self.verticalLayout2)
        self.tab.addTab(w, self.tr('Properties'))

        self.commentLayout = QVBoxLayout()
        self.commentEdit = QTextEdit()
        self.commentEdit.setAcceptRichText(False)
        self.commentLayout.addWidget(self.commentEdit)
        w2 = QWidget()
        w2.setLayout(self.commentLayout)
        self.tab.addTab(w2, self.tr('Comments'))

        self.mainLayout.addWidget(self.buttonBox)
        self.setLayout(self.mainLayout)

        QMetaObject.connectSlotsByName(self)

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

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

    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())

                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):
        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

        alg.comment().setDescription(self.comments())
        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)
Exemple #17
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()
Exemple #18
0
class OutputAnalyserDialog(QDialog):

    def __init__(self, iface, parent, params):

        QDialog.__init__(self, parent)

        self.iface = iface
        self.parent = parent
        self.params = params

        self.output_reader = None
        self.tool = None
        self.element_ids_nodes = None
        self.element_ids_links = None

        self.nodes_lay = None
        self.links_lay = None

        self.setWindowTitle(Parameters.plug_in_name)

        # Selection changed listeners
        self.params.junctions_vlay.selectionChanged.connect(self.feature_sel_changed)
        self.params.reservoirs_vlay.selectionChanged.connect(self.feature_sel_changed)
        self.params.tanks_vlay.selectionChanged.connect(self.feature_sel_changed)
        self.params.pipes_vlay.selectionChanged.connect(self.feature_sel_changed)
        self.params.pumps_vlay.selectionChanged.connect(self.feature_sel_changed)
        self.params.valves_vlay.selectionChanged.connect(self.feature_sel_changed)

        # self.setMinimumWidth(min_width)
        # self.setMinimumHeight(min_height)
        fra_main_lay = QVBoxLayout(self)

        self.fra_out_file = QFrame(self)
        fra_out_file_lay = QHBoxLayout(self.fra_out_file)
        self.lbl_out_file = QLabel('Simulation output file:')
        self.txt_out_file = QLineEdit('')
        self.txt_out_file.setReadOnly(True)
        self.btn_out_file = QToolButton()
        self.btn_out_file.setText('...')
        self.btn_out_file.clicked.connect(self.btn_out_file_clicked)
        fra_out_file_lay.addWidget(self.lbl_out_file)
        fra_out_file_lay.addWidget(self.txt_out_file)
        fra_out_file_lay.addWidget(self.btn_out_file)

        self.tab_widget = QTabWidget(self)

        # Graphs tab ---------------------------------------------------------------------------------------------------
        self.tab_graphs = QWidget()
        tab_graphs_lay = QHBoxLayout(self.tab_graphs)

        # Left frame
        self.fra_graphs_left = QFrame()
        self.fra_graphs_left.setMaximumWidth(100)
        fra_graphs_left_lay = QVBoxLayout(self.fra_graphs_left)

        self.btn_sel_element = QPushButton('Pick')
        self.btn_sel_element.clicked.connect(self.btn_sel_element_clicked)
        fra_graphs_left_lay.addWidget(self.btn_sel_element)

        # Nodes
        self.grb_nodes = QGroupBox(u'Nodes')
        lay_grb_nodes = QVBoxLayout(self.grb_nodes)

        self.chk_node_demand = QCheckBox('Demand')
        lay_grb_nodes.addWidget(self.chk_node_demand)

        self.chk_node_head =  QCheckBox('Head')
        lay_grb_nodes.addWidget(self.chk_node_head)

        self.chk_node_pressure = QCheckBox('Pressure')
        lay_grb_nodes.addWidget(self.chk_node_pressure)

        self.chk_node_quality = QCheckBox('Quality')
        lay_grb_nodes.addWidget(self.chk_node_quality)

        fra_graphs_left_lay.addWidget(self.grb_nodes)

        # Links
        self.grb_links = QGroupBox(u'Links')
        lay_grb_links = QVBoxLayout(self.grb_links)

        self.chk_link_flow = QCheckBox('Flow')
        lay_grb_links.addWidget(self.chk_link_flow)

        self.chk_link_velocity = QCheckBox('Velocity')
        lay_grb_links.addWidget(self.chk_link_velocity)

        self.chk_link_headloss = QCheckBox('Headloss')
        lay_grb_links.addWidget(self.chk_link_headloss)

        self.chk_link_quality = QCheckBox('Quality')
        lay_grb_links.addWidget(self.chk_link_quality)

        fra_graphs_left_lay.addWidget(self.grb_links)

        self.btn_draw_graph = QPushButton('Draw')
        self.btn_draw_graph.clicked.connect(self.draw_graphs)
        fra_graphs_left_lay.addWidget(self.btn_draw_graph)

        self.spacer = QSpacerItem(20, 40, QSizePolicy.Minimum, QSizePolicy.Expanding)
        fra_graphs_left_lay.addItem(self.spacer)

        tab_graphs_lay.addWidget(self.fra_graphs_left)

        # Right frame
        self.fra_graphs_right = QFrame()
        fra_graphs_right_lay = QVBoxLayout(self.fra_graphs_right)
        fra_graphs_right_lay.setContentsMargins(0, 0, 0, 0)

        self.static_canvas = StaticMplCanvas(self.fra_graphs_right, width=5, height=4, dpi=100)
        fra_graphs_right_lay.addWidget(self.static_canvas)

        tab_graphs_lay.addWidget(self.fra_graphs_right)

        # lay.addWidget(self.button)
        self.tab_widget.addTab(self.tab_graphs, 'Graphs')

        # Maps tab -----------------------------------------------------------------------------------------------------
        self.tab_maps = QWidget()
        tab_maps_lay = QHBoxLayout(self.tab_maps)

        # Left frame
        self.fra_maps_left = QFrame()
        self.fra_maps_left.setMaximumWidth(200)
        fra_maps_left_lay = QVBoxLayout(self.fra_maps_left)

        self.grb_maps = QGroupBox(u'Variable')
        grb_maps_lay = QVBoxLayout(self.grb_maps)

        self.rad_maps_node_demand = QRadioButton(u'Node demand')
        grb_maps_lay.addWidget(self.rad_maps_node_demand)

        self.rad_maps_node_head = QRadioButton(u'Node head')
        grb_maps_lay.addWidget(self.rad_maps_node_head)

        self.rad_maps_node_pressure = QRadioButton(u'Node pressure')
        grb_maps_lay.addWidget(self.rad_maps_node_pressure)

        self.rad_maps_node_quality = QRadioButton(u'Node quality')
        grb_maps_lay.addWidget(self.rad_maps_node_quality)

        self.rad_maps_link_flow = QRadioButton(u'Link flow')
        grb_maps_lay.addWidget(self.rad_maps_link_flow)

        self.rad_maps_link_velocity = QRadioButton(u'Link velocity')
        grb_maps_lay.addWidget(self.rad_maps_link_velocity)

        self.rad_maps_link_headloss = QRadioButton(u'Link headloss')
        grb_maps_lay.addWidget(self.rad_maps_link_headloss)

        self.rad_maps_link_quality = QRadioButton(u'Link quality')
        grb_maps_lay.addWidget(self.rad_maps_link_quality)

        fra_maps_left_lay.addWidget(self.grb_maps)
        fra_maps_left_lay.addItem(self.spacer)

        tab_maps_lay.addWidget(self.fra_maps_left)

        # Right maps frame
        self.fra_maps_right = QFrame()
        fra_maps_right_lay = QVBoxLayout(self.fra_maps_right)

        self.fra_maps_right_time = QFrame()
        fra_maps_right_time_lay = QFormLayout(self.fra_maps_right_time)

        self.lbl_map_times = QLabel(u'Period [h]:')
        self.cbo_map_times = QComboBox()
        fra_maps_right_time_lay.addRow(self.lbl_map_times, self.cbo_map_times)
        fra_maps_right_lay.addWidget(self.fra_maps_right_time)

        self.btn_draw_map = QPushButton(u'Draw map')
        self.btn_draw_map.clicked.connect(self.draw_maps)
        fra_maps_right_lay.addWidget(self.btn_draw_map)

        fra_maps_right_lay.addItem(self.spacer)

        tab_maps_lay.addWidget(self.fra_maps_right)

        self.tab_widget.addTab(self.tab_maps, 'Maps')

        # # Add to main
        fra_main_lay.addWidget(self.fra_out_file)
        fra_main_lay.addWidget(self.tab_widget)

        self.setup()
        self.initialize()
        # self.read_outputs()

        # Set size
        self.setMinimumWidth(self.tab_graphs.width())
        self.setMinimumHeight(self.tab_graphs.height())

    def setup(self):
        pass

    def btn_out_file_clicked(self):
        config_file = ConfigFile(Parameters.config_file_path)
        out_file, __ = QFileDialog.getOpenFileName(
            self,
            'Select out file',
            config_file.get_last_out_file(),
            'Out files (*.out)')

        if out_file is None or out_file == '':
            return

        config_file.set_last_out_file(out_file)
        self.txt_out_file.setText(out_file)
        self.read_outputs()
        if self.output_reader is None:
            return

        # Fill times combo
        self.cbo_map_times.clear()
        for period_s in self.output_reader.period_results.keys():

            text = self.seconds_to_string(
                period_s,
                self.output_reader.sim_duration_secs,
                self.output_reader.report_time_step_secs)
            self.cbo_map_times.addItem(text, period_s)

        # Activate widgets
        self.btn_sel_element.setEnabled(self.output_reader is not None)
        self.btn_draw_graph.setEnabled(self.output_reader is not None)
        self.grb_maps.setEnabled(self.output_reader is not None)
        self.btn_draw_map.setEnabled(self.output_reader is not None)

    def initialize(self):

        # Graphs
        self.grb_nodes.setEnabled(False)
        self.grb_links.setEnabled(False)
        self.btn_sel_element.setEnabled(self.output_reader is not None)
        self.btn_draw_graph.setEnabled(self.output_reader is not None)

        # Maps
        self.grb_maps.setEnabled(self.output_reader is not None)
        self.rad_maps_node_demand.setChecked(True)
        self.btn_draw_map.setEnabled(self.output_reader is not None)

    def feature_sel_changed(self):

        is_nodes = False
        sel_junctions = self.params.junctions_vlay.selectedFeatureCount()
        sel_reservoirs = self.params.reservoirs_vlay.selectedFeatureCount()
        sel_tanks = self.params.tanks_vlay.selectedFeatureCount()
        if sel_junctions > 0 or sel_reservoirs > 0 or sel_tanks > 0:
            is_nodes = True
        self.grb_nodes.setEnabled(is_nodes)

        is_links = False
        sel_pipes = self.params.pipes_vlay.selectedFeatureCount()
        sel_pumps = self.params.pumps_vlay.selectedFeatureCount()
        sel_valves = self.params.valves_vlay.selectedFeatureCount()
        if sel_pipes > 0 or sel_pumps > 0 or sel_valves > 0:
            is_links = True
        self.grb_links.setEnabled(is_links)

    def read_outputs(self):

        try:
            QApplication.setOverrideCursor(Qt.WaitCursor)
            self.output_reader = BinaryOutputReader()
            self.output_reader.read(self.txt_out_file.text())
            QApplication.restoreOverrideCursor()

            # Check if output compatible with loaded project
            compatible = True
            out_nodes_nr = self.output_reader.nodes_nr
            out_tanks_reservs_nr = self.output_reader.tanks_reservs_nr
            out_juncts_nr = out_nodes_nr - out_tanks_reservs_nr

            out_links_nr = self.output_reader.links_nr
            out_pumps_nr = self.output_reader.pumps_nr
            out_valves_nr = self.output_reader.valves_nr
            out_pipes_nr = out_links_nr - out_pumps_nr - out_valves_nr

            if out_juncts_nr != self.params.junctions_vlay.featureCount():
                compatible = False
            if out_tanks_reservs_nr != (self.params.reservoirs_vlay.featureCount() + self.params.tanks_vlay.featureCount()):
                compatible = False
            if out_pipes_nr != self.params.pipes_vlay.featureCount():
                compatible = False
            if out_valves_nr != self.params.valves_vlay.featureCount():
                compatible = False
            if out_pumps_nr != self.params.pumps_vlay.featureCount():
                compatible = False

            if not compatible:
                message = 'The out file appears to incompatible with the actual project layers.'
                QMessageBox.warning(
                    self,
                    Parameters.plug_in_name,
                    message,
                    QMessageBox.Ok)

                self.output_reader = None
                self.txt_out_file.setText('')

            else:
                # Message after reading completed
                message = 'Out file loaded: ' + str(out_nodes_nr) + ' nodes, ' + str(out_links_nr) + ' links found.'

                # Clear refs to output layer
                self.params.out_lay_node_demand = None
                self.params.out_lay_node_head = None
                self.params.out_lay_node_pressure = None
                self.params.out_lay_node_quality = None
                self.params.out_lay_link_flow = None
                self.params.out_lay_link_velocity = None
                self.params.out_lay_link_headloss = None
                self.params.out_lay_link_quality = None

                QMessageBox.information(
                    self,
                    Parameters.plug_in_name,
                    message,
                    QMessageBox.Ok)

        finally:
            # self.iface.messageBar().pushWarning(
            #     Parameters.plug_in_name,
            #     'Error while reading output file.')  # TODO: softcode
            # self.output_reader = None
            # self.txt_out_file.setText('')
            QApplication.restoreOverrideCursor()

    def btn_sel_element_clicked(self):

        if self.output_reader is None:
            self.iface.messageBar().pushMessage(
                Parameters.plug_in_name,
                'Please select the simulation out file.',
                Qgis.Warning,
                5)  # TODO: softcode
            return

        self.tool = SelectTool(self, self.params)
        self.iface.mapCanvas().setMapTool(self.tool)

        cursor = QCursor()
        cursor.setShape(Qt.ArrowCursor)
        self.iface.mapCanvas().setCursor(cursor)

    def draw_graphs(self):

        # Get selected features
        self.element_ids_nodes = []
        for junction_feat in self.params.junctions_vlay.selectedFeatures():
            self.element_ids_nodes.append(junction_feat.attribute(Junction.field_name_eid))
        for reservoir_feat in self.params.reservoirs_vlay.selectedFeatures():
            self.element_ids_nodes.append(reservoir_feat.attribute(Reservoir.field_name_eid))
        for tank_feat in self.params.tanks_vlay.selectedFeatures():
            self.element_ids_nodes.append(tank_feat.attribute(Tank.field_name_eid))

        self.element_ids_links = []
        for pipe_feat in self.params.pipes_vlay.selectedFeatures():
            self.element_ids_links.append(pipe_feat.attribute(Pipe.field_name_eid))
        for pump_feat in self.params.pumps_vlay.selectedFeatures():
            self.element_ids_links.append(pump_feat.attribute(Pump.field_name_eid))
        for valve_feat in self.params.valves_vlay.selectedFeatures():
            self.element_ids_links.append(valve_feat.attribute(Valve.field_name_eid))

        # Build values dictionaries
        xs = self.output_reader.report_times
        ys_d_d = {}
        params_count = 0

        # Nodes
        if self.grb_nodes.isEnabled():
            if self.chk_node_demand.isChecked():
                params_count += 1
                ys_d = {}
                for element_id in self.element_ids_nodes:
                    ys_d[element_id] = [
                        self.output_reader.node_demands_d[element_id],
                        self.params.options.flow_units]
                ys_d_d[OutputParamCodes.NODE_DEMAND] = ys_d

            if self.chk_node_head.isChecked():
                params_count += 1
                ys_d = {}
                for element_id in self.element_ids_nodes:
                    ys_d[element_id] = [
                        self.output_reader.node_heads_d[element_id],
                        Options.units_diameter_tanks[self.params.options.units]]
                ys_d_d[OutputParamCodes.NODE_HEAD] = ys_d

            if self.chk_node_pressure.isChecked():
                params_count += 1
                ys_d = {}
                for element_id in self.element_ids_nodes:
                    ys_d[element_id] = [
                        self.output_reader.node_pressures_d[element_id],
                        Options.units_pressure[self.params.options.units]]
                ys_d_d[OutputParamCodes.NODE_PRESSURE] = ys_d

            if self.chk_node_quality.isChecked():
                params_count += 1
                ys_d = {}
                for element_id in self.element_ids_nodes:
                    ys_d[element_id] = [
                        self.output_reader.node_qualities_d[element_id],
                        Quality.quality_units_text[self.params.options.quality.mass_units]]
                ys_d_d[OutputParamCodes.NODE_QUALITY] = ys_d

        # Links
        if self.grb_links.isEnabled():
            if self.chk_link_flow.isChecked():
                params_count += 1
                ys_d = {}
                for element_id in self.element_ids_links:
                    ys_d[element_id] = [
                        self.output_reader.link_flows_d[element_id],
                        self.params.options.flow_units]
                ys_d_d[OutputParamCodes.LINK_FLOW] = ys_d

            if self.chk_link_velocity.isChecked():
                params_count += 1
                ys_d = {}
                for element_id in self.element_ids_links:
                    ys_d[element_id] = [
                        self.output_reader.link_velocities_d[element_id],
                        Options.units_velocity[self.params.options.units]]
                ys_d_d[OutputParamCodes.LINK_VELOCITY] = ys_d

            if self.chk_link_headloss.isChecked():
                params_count += 1
                ys_d = {}
                for element_id in self.element_ids_links:
                    ys_d[element_id] = [
                        self.output_reader.link_headlosses_d[element_id],
                        Options.units_diameter_tanks[self.params.options.units]]
                ys_d_d[OutputParamCodes.LINK_HEADLOSS] = ys_d

            if self.chk_link_quality.isChecked():
                params_count += 1
                ys_d = {}
                for element_id in self.element_ids_links:
                    ys_d[element_id] = [
                        self.output_reader.link_qualities_d[element_id],
                        Quality.quality_units_text[self.params.options.quality.mass_units]]
                ys_d_d[OutputParamCodes.LINK_QUALITY] = ys_d

        if ys_d_d:
            self.static_canvas.draw_output_line(xs, ys_d_d, params_count)

    def draw_maps(self):
        """
        Draws layers with all the attributes
        :return:
        """

        report_time = self.cbo_map_times.itemText(self.cbo_map_times.currentIndex())

        if self.rad_maps_node_demand.isChecked():  # -------------------------------------------------------------------
            lay_name = u'Node demand'
            lay_id = self.draw_map(LayerType.NODE, self.params.out_lay_node_demand_id, lay_name,
                                   self.output_reader.node_demands_d, report_time)
            self.params.out_lay_node_demand_id = lay_id

        elif self.rad_maps_node_head.isChecked():
            lay_name = u'Node head'
            lay_id = self.draw_map(LayerType.NODE, self.params.out_lay_node_head_id, lay_name,
                                   self.output_reader.node_heads_d, report_time)
            self.params.out_lay_node_head_id = lay_id

        elif self.rad_maps_node_pressure.isChecked():
            lay_name = u'Node pressure'
            lay_id = self.draw_map(LayerType.NODE, self.params.out_lay_node_pressure_id, lay_name,
                                   self.output_reader.node_pressures_d, report_time)
            self.params.out_lay_node_pressure_id = lay_id

        elif self.rad_maps_node_quality.isChecked():
            lay_name = u'Node quality'
            lay_id = self.draw_map(LayerType.NODE, self.params.out_lay_node_quality_id, lay_name,
                                   self.output_reader.node_qualities_d, report_time)
            self.params.out_lay_node_quality_id = lay_id

        elif self.rad_maps_link_flow.isChecked():  # -------------------------------------------------------------------
            lay_name = u'Link flow'
            lay_id = self.draw_map(LayerType.LINK, self.params.out_lay_link_flow_id, lay_name,
                                   self.output_reader.link_flows_d, report_time)
            self.params.out_lay_link_flow_id = lay_id

        elif self.rad_maps_link_velocity.isChecked():
            lay_name = u'Link velocity'
            lay_id = self.draw_map(LayerType.LINK, self.params.out_lay_link_velocity_id, lay_name,
                                   self.output_reader.link_velocities_d, report_time)
            self.params.out_lay_link_velocity_id = lay_id

        elif self.rad_maps_link_headloss.isChecked():
            lay_name = u'Link headloss'
            lay_id = self.draw_map(LayerType.LINK, self.params.out_lay_link_headloss_id, lay_name,
                                   self.output_reader.link_headlosses_d, report_time)
            self.params.out_lay_link_headloss_id = lay_id

        elif self.rad_maps_link_quality.isChecked():
            lay_name = u'Link quality'
            lay_id = self.draw_map(LayerType.LINK, self.params.out_lay_link_quality_id, lay_name,
                                   self.output_reader.link_qualities_d, report_time)
            self.params.out_lay_link_quality_id = lay_id

    def draw_map(self, lay_type, lay_id, lay_name, dataset, report_time):

        try:
            QApplication.setOverrideCursor(Qt.WaitCursor)

            lay_name += ' ' + report_time

            lay = LayerUtils.get_lay_from_id(lay_id)
            if lay is None:
                if lay_type == LayerType.NODE:
                    lay = self.create_out_node_layer(lay_name, dataset)
                    ns = NodeSymbology()
                    lay.setRenderer(ns.make_graduated_sym_renderer(lay, report_time))
                elif lay_type == LayerType.LINK:
                    lay = self.create_out_link_layer(lay_name, dataset)
                    ls = LinkSymbology()
                    lay.setRenderer(ls.make_flow_sym_renderer(lay, report_time))
                lay_id = lay.id()
                QgsProject.instance().addMapLayer(lay)
                self.params.out_layers.append(lay)
            else:
                lay.setLayerName(lay_name)

            lay.triggerRepaint()
            QApplication.restoreOverrideCursor()

        finally:
            QApplication.restoreOverrideCursor()

        return lay_id

    def btn_cancel_clicked(self):
        self.setVisible(False)

    def btn_ok_clicked(self):
        pass

    def create_out_node_layer(self, lay_name, values_d):
        return self.create_out_layer(lay_name, values_d, LayerType.NODE)

    def create_out_link_layer(self, lay_name, values_d):
        return self.create_out_layer(lay_name, values_d, LayerType.LINK)

    def create_out_layer(self, lay_name, values_d, lay_type):

        field_name_vars = []
        periods = list(self.output_reader.period_results.keys())
        for period_s in periods:
            text = self.seconds_to_string(
                period_s,
                self.output_reader.sim_duration_secs,
                self.output_reader.report_time_step_secs)
            field_name_vars.append(text)

        if lay_type == LayerType.NODE:
            new_lay = MemoryDS.create_nodes_lay(self.params, field_name_vars, lay_name, self.params.crs)
        elif lay_type == LayerType.LINK:
            new_lay = MemoryDS.create_links_lay(self.params, field_name_vars, lay_name, self.params.crs)

        with edit(new_lay):

            # Update attributes
            for feat in new_lay.getFeatures():
                fid = feat.id()
                eid = feat.attribute(Node.field_name_eid)
                values = values_d[eid]
                for p in range(len(periods)):
                    new_lay.changeAttributeValue(fid, p+1, values[p])

        return new_lay

    def seconds_to_string(self, period_s, duration_s, interval_s):

        day = int(math.floor(period_s / 86400))
        hour = period_s / 3600 - day * 24
        minute = period_s / 60 - day * 24 * 60 - hour * 60
        second = period_s - day * 86400 - hour * 3600 - minute * 60

        text = ''
        if duration_s >= 86400:
            # We need days
            text += str(day) + 'd'

        if duration_s >= 3600:
            # We need hours
            text += '{:02}'.format(hour) + 'H'

        text += '{:02}'.format(minute) + 'm'

        if second > 0:
            text += '{:02}'.format(second) + 's'

        return text
Exemple #19
0
class AequilibraEMenu:
    def __init__(self, iface):

        self.translator = None
        self.iface = iface
        self.project = None  # type: Project
        self.link_layer = None  # type: QgsVectorLayer
        self.node_layer = None  # type: QgsVectorLayer

        self.dock = QDockWidget(self.trlt('AequilibraE'))
        self.manager = QWidget()

        # The self.toolbar will hold everything
        self.toolbar = QToolBar()
        self.toolbar.setOrientation(2)

        # # ########################################################################
        # # #######################   PROJECT SUB-MENU   ############################

        projectMenu = QMenu()
        self.open_project_action = QAction(self.trlt('Open Project'),
                                           self.manager)
        self.open_project_action.triggered.connect(self.run_load_project)
        projectMenu.addAction(self.open_project_action)

        self.project_from_osm_action = QAction(
            self.trlt('Create project from OSM'), self.manager)
        self.project_from_osm_action.triggered.connect(
            self.run_project_from_osm)
        projectMenu.addAction(self.project_from_osm_action)

        self.create_transponet_action = QAction(
            self.trlt('Create Project from layers'), self.manager)
        self.create_transponet_action.triggered.connect(
            self.run_create_transponet)
        projectMenu.addAction(self.create_transponet_action)

        projectButton = QToolButton()
        projectButton.setText(self.trlt('Project'))
        projectButton.setPopupMode(2)
        projectButton.setMenu(projectMenu)

        self.toolbar.addWidget(projectButton)

        # # ########################################################################
        # # ################# NETWORK MANIPULATION SUB-MENU  #######################

        netMenu = QMenu()
        self.action_netPrep = QAction(self.trlt('Network Preparation'),
                                      self.manager)
        self.action_netPrep.triggered.connect(self.run_net_prep)
        netMenu.addAction(self.action_netPrep)

        self.add_connectors_action = QAction(
            self.trlt('Add centroid connectors'), self.manager)
        self.add_connectors_action.triggered.connect(self.run_add_connectors)
        netMenu.addAction(self.add_connectors_action)

        netbutton = QToolButton()
        netbutton.setText(self.trlt('Network Manipulation'))
        netbutton.setMenu(netMenu)
        netbutton.setPopupMode(2)

        self.toolbar.addWidget(netbutton)
        # # ########################################################################
        # # ####################  DATA UTILITIES SUB-MENU  #########################

        dataMenu = QMenu()
        self.display_custom_formats_action = QAction(
            self.trlt('Display AequilibraE formats'), self.manager)
        self.display_custom_formats_action.triggered.connect(
            self.run_display_aequilibrae_formats)
        dataMenu.addAction(self.display_custom_formats_action)

        self.load_matrix_action = QAction(self.trlt('Import matrices'),
                                          self.manager)
        self.load_matrix_action.triggered.connect(self.run_load_matrices)
        dataMenu.addAction(self.load_matrix_action)

        self.load_database_action = QAction(self.trlt('Import dataset'),
                                            self.manager)
        self.load_database_action.triggered.connect(self.run_load_database)
        dataMenu.addAction(self.load_database_action)

        databutton = QToolButton()
        databutton.setText(self.trlt('Data'))
        databutton.setPopupMode(2)
        databutton.setMenu(dataMenu)

        self.toolbar.addWidget(databutton)

        # # # ########################################################################
        # # # ##################  TRIP DISTRIBUTION SUB-MENU  ########################

        distributionButton = QToolButton()
        distributionButton.setText(self.trlt('Trip Distribution'))
        distributionButton.clicked.connect(self.run_distribution_models)
        self.toolbar.addWidget(distributionButton)

        # # ########################################################################
        # # ###################  PATH COMPUTATION SUB-MENU   #######################
        pathMenu = QMenu()

        self.shortest_path_action = QAction(self.trlt('Shortest path'),
                                            self.manager)
        self.shortest_path_action.triggered.connect(self.run_shortest_path)
        pathMenu.addAction(self.shortest_path_action)

        self.dist_matrix_action = QAction(self.trlt('Impedance matrix'),
                                          self.manager)
        self.dist_matrix_action.triggered.connect(self.run_dist_matrix)
        pathMenu.addAction(self.dist_matrix_action)

        self.traffic_assignment_action = QAction(
            self.trlt('Traffic Assignment'), self.manager)
        self.traffic_assignment_action.triggered.connect(
            self.run_traffic_assig)
        pathMenu.addAction(self.traffic_assignment_action)

        pathButton = QToolButton()
        pathButton.setText(self.trlt('Paths and assignment'))
        pathButton.setPopupMode(2)
        pathButton.setMenu(pathMenu)

        self.toolbar.addWidget(pathButton)

        # # ########################################################################
        # # #######################   ROUTING SUB-MENU   ###########################
        if has_ortools:
            routingMenu = QMenu()
            self.tsp_action = QAction(self.trlt('Travelling Salesman Problem'),
                                      self.manager)
            self.tsp_action.triggered.connect(self.run_tsp)
            routingMenu.addAction(self.tsp_action)

            routingButton = QToolButton()
            routingButton.setText(self.trlt('Routing'))
            routingButton.setPopupMode(2)
            routingButton.setMenu(routingMenu)

            self.toolbar.addWidget(routingButton)

        # # ########################################################################
        # # #######################   TRANSIT SUB-MENU   ###########################
        transitMenu = QMenu()
        self.gtfs_import_action = QAction(
            self.trlt('Convert GTFS to SpatiaLite'), self.manager)
        self.gtfs_import_action.triggered.connect(self.run_import_gtfs)
        transitMenu.addAction(self.gtfs_import_action)

        transitButton = QToolButton()
        transitButton.setText(self.trlt('Public Transport'))
        transitButton.setPopupMode(2)
        transitButton.setMenu(transitMenu)

        self.toolbar.addWidget(transitButton)

        # ########################################################################
        # #################        GIS TOOLS SUB-MENU    #########################

        gisMenu = QMenu()
        self.simple_tag_action = QAction(self.trlt('Simple tag'), self.manager)
        self.simple_tag_action.triggered.connect(self.run_simple_tag)
        gisMenu.addAction(self.simple_tag_action)

        self.lcd_action = QAction(self.trlt('Lowest common denominator'),
                                  self.manager)
        self.lcd_action.triggered.connect(self.run_lcd)
        gisMenu.addAction(self.lcd_action)

        self.dlines_action = QAction(self.trlt('Desire Lines'), self.manager)
        self.dlines_action.triggered.connect(self.run_dlines)
        gisMenu.addAction(self.dlines_action)

        self.bandwidth_action = QAction(self.trlt('Stacked Bandwidth'),
                                        self.manager)
        self.bandwidth_action.triggered.connect(self.run_bandwidth)
        gisMenu.addAction(self.bandwidth_action)

        self.scenario_comparison_action = QAction(
            self.trlt('Scenario Comparison'), self.manager)
        self.scenario_comparison_action.triggered.connect(
            self.run_scenario_comparison)
        gisMenu.addAction(self.scenario_comparison_action)

        gisButton = QToolButton()
        gisButton.setText(self.trlt('GIS'))
        gisButton.setPopupMode(2)
        gisButton.setMenu(gisMenu)

        self.toolbar.addWidget(gisButton)

        # ########################################################################
        # #################          LOOSE STUFF         #########################

        parametersButton = QToolButton()
        parametersButton.setText(self.trlt('Parameters'))
        parametersButton.clicked.connect(self.run_change_parameters)
        self.toolbar.addWidget(parametersButton)

        aboutButton = QToolButton()
        aboutButton.setText(self.trlt('About'))
        aboutButton.clicked.connect(self.run_about)
        self.toolbar.addWidget(aboutButton)

        logButton = QToolButton()
        logButton.setText(self.trlt('logfile'))
        logButton.clicked.connect(self.run_log)
        self.toolbar.addWidget(logButton)

        helpButton = QToolButton()
        helpButton.setText(self.trlt('Help'))
        helpButton.clicked.connect(self.run_help)
        self.toolbar.addWidget(helpButton)

        if no_binary:
            binariesButton = QToolButton()
            binariesButton.setText(self.trlt('Download binaries'))
            binariesButton.clicked.connect(self.run_binary_download)
            self.toolbar.addWidget(binariesButton)

        if not extra_packages:
            xtrapkgButton = QToolButton()
            xtrapkgButton.setText(self.trlt('Install extra packages'))
            xtrapkgButton.clicked.connect(self.install_extra_packages)
            self.toolbar.addWidget(xtrapkgButton)

        # ########################################################################
        # #################        PROJECT MANAGER       #########################

        self.showing = QCheckBox()
        self.showing.setText('Show project info')
        self.showing.setChecked(True)
        self.toolbar.addWidget(self.showing)

        self.showing.toggled.connect(self.hide_info_pannel)
        self.projectManager = QTabWidget()
        self.toolbar.addWidget(self.projectManager)

        # # # ########################################################################
        self.tabContents = []
        self.toolbar.setIconSize(QSize(16, 16))

        p1_vertical = QVBoxLayout()
        p1_vertical.setContentsMargins(0, 0, 0, 0)
        p1_vertical.addWidget(self.toolbar)
        self.manager.setLayout(p1_vertical)

        self.dock.setWidget(self.manager)
        self.dock.setAllowedAreas(Qt.LeftDockWidgetArea
                                  | Qt.RightDockWidgetArea)
        self.iface.addDockWidget(Qt.LeftDockWidgetArea, self.dock)

    def run_help(self):
        url = 'http://aequilibrae.com/qgis'
        if sys.platform == 'darwin':  # in case of OS X
            subprocess.Popen(['open', url])
        else:
            webbrowser.open_new_tab(url)

    def run_log(self):
        dlg2 = LogDialog(self.iface)
        dlg2.show()
        dlg2.exec_()

    def unload(self):
        del self.dock

    def trlt(self, message):
        # In the near future, we will use this function to automatically translate the AequilibraE menu
        # To any language we can get people to translate it to
        # return QCoreApplication.translate('AequilibraE', message)
        return message

    def initGui(self):
        pass

    def removes_temporary_files(self):
        # pass
        # Removes all the temporary files from previous uses
        p = tempfile.gettempdir() + "/aequilibrae_*"
        for f in glob.glob(p):
            try:
                os.unlink(f)
            except:
                pass

    def hide_info_pannel(self):
        if len(self.tabContents) > 0:
            if self.showing.isChecked():
                for v in self.tabContents:
                    self.projectManager.addTab(v[0], v[1])
            else:
                tab_count = 1
                for i in range(tab_count):
                    self.projectManager.removeTab(i)

    def run_load_project(self):
        formats = ["AequilibraE Project(*.sqlite)"]
        path, dtype = GetOutputFileName(
            QtWidgets.QDialog(),
            "AequilibraE Project",
            formats,
            ".sqlite",
            standard_path(),
        )

        # Cleans the project descriptor
        tab_count = 1
        for i in range(tab_count):
            self.projectManager.removeTab(i)

        if dtype is not None:
            self.contents = []
            self.showing.setVisible(True)
            self.project = Project()
            self.project.load(path)
            self.project.conn = qgis.utils.spatialite_connect(path)
            self.project.network.conn = self.project.conn

            uri = QgsDataSourceUri()
            uri.setDatabase(path)
            uri.setDataSource('', 'links', 'geometry')
            self.link_layer = QgsVectorLayer(uri.uri(), 'links', 'spatialite')
            QgsProject.instance().addMapLayer(self.link_layer)

            uri.setDataSource('', 'nodes', 'geometry')
            self.node_layer = QgsVectorLayer(uri.uri(), 'nodes', 'spatialite')
            QgsProject.instance().addMapLayer(self.node_layer)

            descr = QWidget()
            descrlayout = QVBoxLayout()
            # We create a tab with the main description of the project
            p1 = QLabel('Project: {}'.format(path))
            p2 = QLabel('Modes: {}'.format(', '.join(
                self.project.network.modes())))
            p3 = QLabel('Total Links: {:,}'.format(
                self.project.network.count_links()))
            p4 = QLabel('Total Nodes: {:,}'.format(
                self.project.network.count_nodes()))

            for p in [p1, p2, p3, p4]:
                descrlayout.addWidget(p)

            descr.setLayout(descrlayout)
            self.tabContents = [(descr, "Project")]
            self.projectManager.addTab(descr, "Project")

    def run_change_parameters(self):
        dlg2 = ParameterDialog(self.iface)
        dlg2.show()
        dlg2.exec_()

    def run_about(self):
        dlg2 = AboutDialog(self.iface)
        dlg2.show()
        dlg2.exec_()

    def run_load_matrices(self):
        dlg2 = LoadMatrixDialog(self.iface,
                                sparse=True,
                                multiple=True,
                                single_use=False)
        dlg2.show()
        dlg2.exec_()

    def run_load_database(self):
        dlg2 = LoadDatasetDialog(self.iface, single_use=False)
        dlg2.show()
        dlg2.exec_()

    def run_display_aequilibrae_formats(self):
        dlg2 = DisplayAequilibraEFormatsDialog(self.iface)
        dlg2.show()
        dlg2.exec_()

    def install_extra_packages(self):
        dlg2 = DownloadExtraPackages(self.iface)
        dlg2.show()
        dlg2.exec_()

    def run_binary_download(self):
        dlg2 = BinaryDownloaderDialog(self.iface)
        dlg2.show()
        dlg2.exec_()

    # run method that calls the network preparation section of the code
    def run_net_prep(self):
        dlg2 = NetworkPreparationDialog(self.iface)
        dlg2.show()
        dlg2.exec_()
        # If we wanted modal, we would eliminate the dlg2.show()

    # run method that calls the network preparation section of the code
    def run_create_transponet(self):
        if no_binary:
            self.message_binary()
        else:
            dlg2 = CreatesTranspoNetDialog(self.iface)
            dlg2.show()
            dlg2.exec_()
        # If we wanted modal, we would eliminate the dlg2.show()

    def run_add_connectors(self):
        dlg2 = AddConnectorsDialog(self.iface, self.project)
        dlg2.show()
        dlg2.exec_()

    def run_distribution_models(self):
        dlg2 = DistributionModelsDialog(self.iface)
        dlg2.show()
        dlg2.exec_()

    def run_shortest_path(self):
        if no_binary:
            self.message_binary()
        else:
            if self.project is None:
                self.show_message_no_project()
            else:
                dlg2 = ShortestPathDialog(self.iface, self.project,
                                          self.link_layer, self.node_layer)
                dlg2.show()
                dlg2.exec_()

    def run_dist_matrix(self):
        if no_binary:
            self.message_binary()
        else:
            if self.project is None:
                self.show_message_no_project()
            else:
                dlg2 = ImpedanceMatrixDialog(self.iface, self.project,
                                             self.link_layer)
                dlg2.show()
                dlg2.exec_()

    def run_traffic_assig(self):
        if no_binary:
            self.message_binary()
        else:
            if self.project is None:
                self.show_message_no_project()
            else:
                dlg2 = TrafficAssignmentDialog(self.iface, self.project,
                                               self.link_layer)
                dlg2.show()
                dlg2.exec_()

    def run_tsp(self):
        if self.project is None:
            self.show_message_no_project()
        else:
            dlg2 = TSPDialog(self.iface, self.project, self.link_layer,
                             self.node_layer)
            dlg2.show()
            dlg2.exec_()

    def run_import_gtfs(self):
        dlg2 = GtfsImportDialog(self.iface)
        dlg2.show()
        dlg2.exec_()

    def run_project_from_osm(self):
        dlg2 = ProjectFromOSMDialog(self.iface)
        dlg2.show()
        dlg2.exec_()

    def run_simple_tag(self):
        dlg2 = SimpleTagDialog(self.iface)
        dlg2.show()
        dlg2.exec_()

    def run_lcd(self):
        dlg2 = LeastCommonDenominatorDialog(self.iface)
        dlg2.show()
        dlg2.exec_()

    def run_dlines(self):
        if no_binary:
            self.message_binary()
        else:
            dlg2 = DesireLinesDialog(self.iface)
            dlg2.show()
            dlg2.exec_()

    def run_bandwidth(self):
        dlg2 = CreateBandwidthsDialog(self.iface)
        dlg2.show()
        dlg2.exec_()

    def run_scenario_comparison(self):
        dlg2 = CompareScenariosDialog(self.iface)
        dlg2.show()
        dlg2.exec_()

    def message_binary(self):
        qgis.utils.iface.messageBar().pushMessage(
            "Binary Error: ",
            "Please download it from the repository using the downloader from the menu",
            level=3)

    def show_message_no_project(self):
        self.iface.messageBar().pushMessage("Error",
                                            "You need to load a project first",
                                            level=3,
                                            duration=10)
Exemple #20
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()
class GeometryDiffViewerDialog(QDialog):
    def __init__(self, geoms, crs, parent=None):
        super(GeometryDiffViewerDialog, self).__init__(parent)
        self.geoms = geoms
        self.crs = crs
        self.initGui()

    def initGui(self):
        layout = QVBoxLayout()
        self.tab = QTabWidget()
        self.table = QTableView()

        self.setLayout(layout)
        self.canvas = QgsMapCanvas()
        self.canvas.setCanvasColor(Qt.white)
        settings = QSettings()
        self.canvas.enableAntiAliasing(
            settings.value("/qgis/enable_anti_aliasing", False, type=bool))
        self.canvas.useImageToRender(
            settings.value("/qgis/use_qimage_to_render", False, type=bool))
        self.canvas.mapSettings().setDestinationCrs(self.crs)
        action = settings.value("/qgis/wheel_action", 0, type=float)
        zoomFactor = settings.value("/qgis/zoom_factor", 2, type=float)
        self.canvas.setWheelAction(QgsMapCanvas.WheelAction(action),
                                   zoomFactor)
        self.panTool = QgsMapToolPan(self.canvas)
        self.canvas.setMapTool(self.panTool)

        execute(self.createLayers)

        model = GeomDiffTableModel(self.data)
        self.table.setModel(model)
        self.table.resizeColumnsToContents()
        self.table.resizeRowsToContents()
        self.tab.addTab(self.canvas, "Map view")
        self.tab.addTab(self.table, "Table view")
        layout.addWidget(self.tab)

        self.resize(600, 500)
        self.setWindowTitle("Geometry comparison")

    def createLayers(self):
        textGeometries = []
        for geom in self.geoms:
            text = geom.exportToWkt()
            valid = " -1234567890.,"
            text = "".join([c for c in text if c in valid])
            textGeometries.append(text.split(","))
        lines = difflib.Differ().compare(textGeometries[0], textGeometries[1])
        self.data = []
        for line in lines:
            if line.startswith("+"):
                self.data.append([None, line[2:]])
            if line.startswith("-"):
                self.data.append([line[2:], None])
            if line.startswith(" "):
                self.data.append([line[2:], line[2:]])
        types = [("LineString", lineBeforeStyle, lineAfterStyle),
                 ("Polygon", polygonBeforeStyle, polygonAfterStyle)]
        layers = []
        extent = self.geoms[0].boundingBox()
        for i, geom in enumerate(self.geoms):
            geomtype = types[int(geom.type() - 1)][0]
            style = types[int(geom.type() - 1)][i + 1]
            layer = loadLayerNoCrsDialog(
                geomtype + "?crs=" + self.crs.authid(), "layer", "memory")
            pr = layer.dataProvider()
            feat = QgsFeature()
            feat.setGeometry(geom)
            pr.addFeatures([feat])
            layer.loadNamedStyle(style)
            layer.updateExtents()
            layers.append(layer)
            QgsMapLayerRegistry.instance().addMapLayer(layer, False)
            extent.combineExtentWith(geom.boundingBox())

        layer = loadLayerNoCrsDialog(
            "Point?crs=%s&field=changetype:string" % self.crs.authid(),
            "points", "memory")
        pr = layer.dataProvider()
        feats = []
        for coords in self.data:
            coord = coords[0] or coords[1]
            feat = QgsFeature()
            x, y = coord.strip().split(" ")
            x, y = (float(x), float(y))
            pt = QgsGeometry.fromPoint(QgsPoint(x, y))
            feat.setGeometry(pt)
            if coords[0] is None:
                changetype = "A"
            elif coords[1] is None:
                changetype = "R"
            else:
                changetype = "U"
            feat.setAttributes([changetype])
            feats.append(feat)

        pr.addFeatures(feats)
        layer.loadNamedStyle(pointsStyle)
        QgsMapLayerRegistry.instance().addMapLayer(layer, False)
        layers.append(layer)

        self.mapLayers = [QgsMapCanvasLayer(lay) for lay in layers]
        self.canvas.setLayerSet(self.mapLayers)
        self.canvas.setExtent(extent)
        self.canvas.refresh()

    def reject(self):
        QDialog.reject(self)
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 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()
Exemple #24
0
class DBManager(QMainWindow):

    def __init__(self, iface, parent=None):
        QMainWindow.__init__(self, parent)
        self.setAttribute(Qt.WA_DeleteOnClose)
        self.setupUi()
        self.iface = iface

        # restore the window state
        settings = QgsSettings()
        self.restoreGeometry(settings.value("/DB_Manager/mainWindow/geometry", QByteArray(), type=QByteArray))
        self.restoreState(settings.value("/DB_Manager/mainWindow/windowState", QByteArray(), type=QByteArray))

        self.tabs.currentChanged.connect(self.tabChanged)
        self.tree.selectedItemChanged.connect(self.itemChanged)
        self.itemChanged(None)

    def closeEvent(self, e):
        self.unregisterAllActions()
        # clear preview, this will delete the layer in preview tab
        self.preview.loadPreview(None)

        # save the window state
        settings = QgsSettings()
        settings.setValue("/DB_Manager/mainWindow/windowState", self.saveState())
        settings.setValue("/DB_Manager/mainWindow/geometry", self.saveGeometry())

        QMainWindow.closeEvent(self, e)

    def refreshItem(self, item=None):
        with OverrideCursor(Qt.WaitCursor):
            try:
                if item is None:
                    item = self.tree.currentItem()
                self.tree.refreshItem(item)  # refresh item children in the db tree
            except BaseError as e:
                DlgDbError.showError(e, self)

    def itemChanged(self, item):
        with OverrideCursor(Qt.WaitCursor):
            try:
                self.reloadButtons()
                # clear preview, this will delete the layer in preview tab
                self.preview.loadPreview(None)
                self.refreshTabs()
            except BaseError as e:
                DlgDbError.showError(e, self)

    def reloadButtons(self):
        db = self.tree.currentDatabase()
        if not hasattr(self, '_lastDb'):
            self._lastDb = db

        elif db == self._lastDb:
            return

        # remove old actions
        if self._lastDb is not None:
            self.unregisterAllActions()

        # add actions of the selected database
        self._lastDb = db
        if self._lastDb is not None:
            self._lastDb.registerAllActions(self)

    def tabChanged(self, index):
        with OverrideCursor(Qt.WaitCursor):
            try:
                self.refreshTabs()
            except BaseError as e:
                DlgDbError.showError(e, self)

    def refreshTabs(self):
        index = self.tabs.currentIndex()
        item = self.tree.currentItem()
        table = self.tree.currentTable()

        # enable/disable tabs
        self.tabs.setTabEnabled(self.tabs.indexOf(self.table), table is not None)
        self.tabs.setTabEnabled(self.tabs.indexOf(self.preview), table is not None and table.type in [table.VectorType,
                                                                                                      table.RasterType] and table.geomColumn is not None)
        # show the info tab if the current tab is disabled
        if not self.tabs.isTabEnabled(index):
            self.tabs.setCurrentWidget(self.info)

        current_tab = self.tabs.currentWidget()
        if current_tab == self.info:
            self.info.showInfo(item)
        elif current_tab == self.table:
            self.table.loadData(item)
        elif current_tab == self.preview:
            self.preview.loadPreview(item)

    def refreshActionSlot(self):
        self.info.setDirty()
        self.table.setDirty()
        self.preview.setDirty()
        self.refreshItem()

    def importActionSlot(self):
        db = self.tree.currentDatabase()
        if db is None:
            self.infoBar.pushMessage(self.tr("No database selected or you are not connected to it."),
                                     QgsMessageBar.INFO, self.iface.messageTimeout())
            return

        outUri = db.uri()
        schema = self.tree.currentSchema()
        if schema:
            outUri.setDataSource(schema.name, "", "", "")

        from .dlg_import_vector import DlgImportVector

        dlg = DlgImportVector(None, db, outUri, self)
        dlg.exec_()

    def exportActionSlot(self):
        table = self.tree.currentTable()
        if table is None:
            self.infoBar.pushMessage(self.tr("Select the table you want export to file."), QgsMessageBar.INFO,
                                     self.iface.messageTimeout())
            return

        inLayer = table.toMapLayer()
        if inLayer.type() != QgsMapLayer.VectorLayer:
            self.infoBar.pushMessage(
                self.tr("Select a vector or a tabular layer you want export."),
                QgsMessageBar.WARNING, self.iface.messageTimeout())
            return

        from .dlg_export_vector import DlgExportVector

        dlg = DlgExportVector(inLayer, table.database(), self)
        dlg.exec_()

        inLayer.deleteLater()

    def runSqlWindow(self):
        db = self.tree.currentDatabase()
        if db is None:
            self.infoBar.pushMessage(self.tr("No database selected or you are not connected to it."),
                                     QgsMessageBar.INFO, self.iface.messageTimeout())
            # force displaying of the message, it appears on the first tab (i.e. Info)
            self.tabs.setCurrentIndex(0)
            return

        from .dlg_sql_window import DlgSqlWindow

        query = DlgSqlWindow(self.iface, db, self)
        dbname = db.connection().connectionName()
        tabname = self.tr("Query ({0})").format(dbname)
        index = self.tabs.addTab(query, tabname)
        self.tabs.setTabIcon(index, db.connection().icon())
        self.tabs.setCurrentIndex(index)
        query.nameChanged.connect(functools.partial(self.update_query_tab_name, index, dbname))

    def runSqlLayerWindow(self, layer):
        from .dlg_sql_layer_window import DlgSqlLayerWindow
        query = DlgSqlLayerWindow(self.iface, layer, self)
        lname = layer.name()
        tabname = self.tr("Layer ({0})").format(lname)
        index = self.tabs.addTab(query, tabname)
        # self.tabs.setTabIcon(index, db.connection().icon())
        self.tabs.setCurrentIndex(index)

    def update_query_tab_name(self, index, dbname, queryname):
        if not queryname:
            queryname = self.tr("Query")
        tabname = u"%s (%s)" % (queryname, dbname)
        self.tabs.setTabText(index, tabname)

    def showSystemTables(self):
        self.tree.showSystemTables(self.actionShowSystemTables.isChecked())

    def registerAction(self, action, menuName, callback=None):
        """ register an action to the manager's main menu """
        if not hasattr(self, '_registeredDbActions'):
            self._registeredDbActions = {}

        if callback is not None:
            def invoke_callback(x):
                return self.invokeCallback(callback)

        if menuName is None or menuName == "":
            self.addAction(action)

            if menuName not in self._registeredDbActions:
                self._registeredDbActions[menuName] = list()
            self._registeredDbActions[menuName].append(action)

            if callback is not None:
                action.triggered.connect(invoke_callback)
            return True

        # search for the menu
        actionMenu = None
        helpMenuAction = None
        for a in self.menuBar.actions():
            if not a.menu() or a.menu().title() != menuName:
                continue
            if a.menu() != self.menuHelp:
                helpMenuAction = a

            actionMenu = a
            break

        # not found, add a new menu before the help menu
        if actionMenu is None:
            menu = QMenu(menuName, self)
            if helpMenuAction is not None:
                actionMenu = self.menuBar.insertMenu(helpMenuAction, menu)
            else:
                actionMenu = self.menuBar.addMenu(menu)

        menu = actionMenu.menu()
        menuActions = menu.actions()

        # get the placeholder's position to insert before it
        pos = 0
        for pos in range(len(menuActions)):
            if menuActions[pos].isSeparator() and menuActions[pos].objectName().endswith("_placeholder"):
                menuActions[pos].setVisible(True)
                break

        if pos < len(menuActions):
            before = menuActions[pos]
            menu.insertAction(before, action)
        else:
            menu.addAction(action)

        actionMenu.setVisible(True)  # show the menu

        if menuName not in self._registeredDbActions:
            self._registeredDbActions[menuName] = list()
        self._registeredDbActions[menuName].append(action)

        if callback is not None:
            action.triggered.connect(invoke_callback)

        return True

    def invokeCallback(self, callback, *params):
        """ Call a method passing the selected item in the database tree,
                the sender (usually a QAction), the plugin mainWindow and
                optionally additional parameters.

                This method takes care to override and restore the cursor,
                but also catches exceptions and displays the error dialog.
        """
        with OverrideCursor(Qt.WaitCursor):
            try:
                callback(self.tree.currentItem(), self.sender(), self, *params)
            except BaseError as e:
                # catch database errors and display the error dialog
                DlgDbError.showError(e, self)

    def unregisterAction(self, action, menuName):
        if not hasattr(self, '_registeredDbActions'):
            return

        if menuName is None or menuName == "":
            self.removeAction(action)

            if menuName in self._registeredDbActions:
                if self._registeredDbActions[menuName].count(action) > 0:
                    self._registeredDbActions[menuName].remove(action)

            action.deleteLater()
            return True

        for a in self.menuBar.actions():
            if not a.menu() or a.menu().title() != menuName:
                continue

            menu = a.menu()
            menuActions = menu.actions()

            menu.removeAction(action)
            if menu.isEmpty():  # hide the menu
                a.setVisible(False)

            if menuName in self._registeredDbActions:
                if self._registeredDbActions[menuName].count(action) > 0:
                    self._registeredDbActions[menuName].remove(action)

                # hide the placeholder if there're no other registered actions
                if len(self._registeredDbActions[menuName]) <= 0:
                    for i in range(len(menuActions)):
                        if menuActions[i].isSeparator() and menuActions[i].objectName().endswith("_placeholder"):
                            menuActions[i].setVisible(False)
                            break

            action.deleteLater()
            return True

        return False

    def unregisterAllActions(self):
        if not hasattr(self, '_registeredDbActions'):
            return

        for menuName in self._registeredDbActions:
            for action in list(self._registeredDbActions[menuName]):
                self.unregisterAction(action, menuName)
        del self._registeredDbActions

    def close_tab(self, index):
        widget = self.tabs.widget(index)
        if widget not in [self.info, self.table, self.preview]:
            self.tabs.removeTab(index)
            widget.deleteLater()

    def setupUi(self):
        self.setWindowTitle(self.tr("DB Manager"))
        self.setWindowIcon(QIcon(":/db_manager/icon"))
        self.resize(QSize(700, 500).expandedTo(self.minimumSizeHint()))

        # create central tab widget and add the first 3 tabs: info, table and preview
        self.tabs = QTabWidget()
        self.info = InfoViewer(self)
        self.tabs.addTab(self.info, self.tr("Info"))
        self.table = TableViewer(self)
        self.tabs.addTab(self.table, self.tr("Table"))
        self.preview = LayerPreview(self)
        self.tabs.addTab(self.preview, self.tr("Preview"))
        self.setCentralWidget(self.tabs)

        # display close button for all tabs but the first 3 ones, i.e.
        # HACK: just hide the close button where not needed (GS)
        self.tabs.setTabsClosable(True)
        self.tabs.tabCloseRequested.connect(self.close_tab)
        tabbar = self.tabs.tabBar()
        for i in range(3):
            btn = tabbar.tabButton(i, QTabBar.RightSide) if tabbar.tabButton(i, QTabBar.RightSide) else tabbar.tabButton(i, QTabBar.LeftSide)
            btn.resize(0, 0)
            btn.hide()

        # Creates layout for message bar
        self.layout = QGridLayout(self.info)
        self.layout.setContentsMargins(0, 0, 0, 0)
        spacerItem = QSpacerItem(20, 40, QSizePolicy.Minimum, QSizePolicy.Expanding)
        self.layout.addItem(spacerItem, 1, 0, 1, 1)
        # init messageBar instance
        self.infoBar = QgsMessageBar(self.info)
        sizePolicy = QSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
        self.infoBar.setSizePolicy(sizePolicy)
        self.layout.addWidget(self.infoBar, 0, 0, 1, 1)

        # create database tree
        self.dock = QDockWidget("Tree", self)
        self.dock.setObjectName("DB_Manager_DBView")
        self.dock.setFeatures(QDockWidget.DockWidgetMovable)
        self.tree = DBTree(self)
        self.dock.setWidget(self.tree)
        self.addDockWidget(Qt.LeftDockWidgetArea, self.dock)

        # create status bar
        self.statusBar = QStatusBar(self)
        self.setStatusBar(self.statusBar)

        # create menus
        self.menuBar = QMenuBar(self)
        self.menuDb = QMenu(self.tr("&Database"), self)
        self.menuBar.addMenu(self.menuDb)
        self.menuSchema = QMenu(self.tr("&Schema"), self)
        actionMenuSchema = self.menuBar.addMenu(self.menuSchema)
        self.menuTable = QMenu(self.tr("&Table"), self)
        actionMenuTable = self.menuBar.addMenu(self.menuTable)
        self.menuHelp = None  # QMenu(self.tr("&Help"), self)
        # actionMenuHelp = self.menuBar.addMenu(self.menuHelp)

        self.setMenuBar(self.menuBar)

        # create toolbar
        self.toolBar = QToolBar("Default", self)
        self.toolBar.setObjectName("DB_Manager_ToolBar")
        self.addToolBar(self.toolBar)

        # create menus' actions

        # menu DATABASE
        sep = self.menuDb.addSeparator()
        sep.setObjectName("DB_Manager_DbMenu_placeholder")
        sep.setVisible(False)

        self.actionRefresh = self.menuDb.addAction(QIcon(":/db_manager/actions/refresh"), self.tr("&Refresh"),
                                                   self.refreshActionSlot, QKeySequence("F5"))
        self.actionSqlWindow = self.menuDb.addAction(QIcon(":/db_manager/actions/sql_window"), self.tr("&SQL window"),
                                                     self.runSqlWindow, QKeySequence("F2"))
        self.menuDb.addSeparator()
        self.actionClose = self.menuDb.addAction(QIcon(), self.tr("&Exit"), self.close, QKeySequence("CTRL+Q"))

        # menu SCHEMA
        sep = self.menuSchema.addSeparator()
        sep.setObjectName("DB_Manager_SchemaMenu_placeholder")
        sep.setVisible(False)

        actionMenuSchema.setVisible(False)

        # menu TABLE
        sep = self.menuTable.addSeparator()
        sep.setObjectName("DB_Manager_TableMenu_placeholder")
        sep.setVisible(False)

        self.actionImport = self.menuTable.addAction(QIcon(":/db_manager/actions/import"),
                                                     self.tr("&Import layer/file"), self.importActionSlot)
        self.actionExport = self.menuTable.addAction(QIcon(":/db_manager/actions/export"), self.tr("&Export to file"),
                                                     self.exportActionSlot)
        self.menuTable.addSeparator()
        #self.actionShowSystemTables = self.menuTable.addAction(self.tr("Show system tables/views"), self.showSystemTables)
        #self.actionShowSystemTables.setCheckable(True)
        #self.actionShowSystemTables.setChecked(True)
        actionMenuTable.setVisible(False)

        # add actions to the toolbar
        self.toolBar.addAction(self.actionRefresh)
        self.toolBar.addAction(self.actionSqlWindow)
        self.toolBar.addAction(self.actionImport)
        self.toolBar.addAction(self.actionExport)
Exemple #25
0
class AttributesTable(QWidget):
    def __init__(self, iface):
        QWidget.__init__(self)
        
        self.setWindowTitle(self.tr('Search results'))
        self.resize(480,320)
        self.setMinimumSize(320,240)
        self.center()
        
        # Results export button
        self.btn_saveTab = QAction(QIcon(':/plugins/qgeric/resources/icon_save.png'), self.tr('Save this tab\'s results'), self)
        self.btn_saveTab.triggered.connect(lambda : self.saveAttributes(True))
        self.btn_saveAllTabs = QAction(QIcon(':/plugins/qgeric/resources/icon_saveAll.png'), self.tr('Save all results'), self)
        self.btn_saveAllTabs.triggered.connect(lambda : self.saveAttributes(False))
        self.btn_export = QAction(QIcon(':/plugins/qgeric/resources/icon_export.png'), self.tr('Export the selection as a memory layer'), self)
        self.btn_export.triggered.connect(self.exportLayer)
        self.btn_zoom = QAction(QIcon(':/plugins/qgeric/resources/icon_Zoom.png'), self.tr('Zoom to selected attributes'), self)
        self.btn_zoom.triggered.connect(self.zoomToFeature)
        self.btn_selectGeom = QAction(QIcon(':/plugins/qgeric/resources/icon_HlG.png'), self.tr('Highlight feature\'s geometry'), self)
        self.btn_selectGeom.triggered.connect(self.selectGeomChanged)
        self.btn_rename = QAction(QIcon(':/plugins/qgeric/resources/icon_Settings.png'), self.tr('Settings'), self)
        self.btn_rename.triggered.connect(self.renameWindow)
                
        self.tabWidget = QTabWidget() # Tab container
        self.tabWidget.setTabsClosable(True)
        self.tabWidget.currentChanged.connect(self.highlight_features)
        self.tabWidget.tabCloseRequested.connect(self.closeTab)
        
        self.loadingWindow = QProgressDialog()
        self.loadingWindow.setWindowTitle(self.tr('Loading...'))
        self.loadingWindow.setRange(0,100)
        self.loadingWindow.setAutoClose(False)
        self.loadingWindow.setCancelButton(None)
        
        self.canvas = iface.mapCanvas()
        self.canvas.extentsChanged.connect(self.highlight_features)
        self.highlight = []
        self.highlight_rows = []
        
        toolbar = QToolBar()
        toolbar.addAction(self.btn_saveTab)
        toolbar.addAction(self.btn_saveAllTabs)
        toolbar.addAction(self.btn_export)
        toolbar.addSeparator()
        toolbar.addAction(self.btn_zoom)
        toolbar.addSeparator()
        toolbar.addAction(self.btn_selectGeom)
        toolbar.addAction(self.btn_rename)

        vbox = QVBoxLayout()
        vbox.setContentsMargins(0,0,0,0)
        vbox.addWidget(toolbar)
        vbox.addWidget(self.tabWidget)
        self.setLayout(vbox)
        
        self.mb = iface.messageBar()
        
        self.selectGeom = False # False for point, True for geometry

    def renameWindow(self):
        title, ok = QInputDialog.getText(self, self.tr('Rename window'), self.tr('Enter a new title:'))  
        if ok:
            self.setWindowTitle(title)
            
    def closeTab(self, index):
        self.tabWidget.widget(index).deleteLater()
        self.tabWidget.removeTab(index)
        
    def selectGeomChanged(self):
        if self.selectGeom:
            self.selectGeom = False
            self.btn_selectGeom.setText(self.tr('Highlight feature\'s geometry'))
            self.btn_selectGeom.setIcon(QIcon(':/plugins/qgeric/resources/icon_HlG.png'))
        else:
            self.selectGeom = True
            self.btn_selectGeom.setText(self.tr('Highlight feature\'s centroid'))
            self.btn_selectGeom.setIcon(QIcon(':/plugins/qgeric/resources/icon_HlC.png'))
        self.highlight_features()

    def exportLayer(self):
        if self.tabWidget.count() != 0:
            index = self.tabWidget.currentIndex()
            table = self.tabWidget.widget(index).findChildren(QTableWidget)[0]
            items = table.selectedItems()
            if len(items) > 0:
                type = ''
                if items[0].feature.geometry().type() == QgsWkbTypes.PointGeometry:
                    type = 'Point'
                elif items[0].feature.geometry().type() == QgsWkbTypes.LineGeometry:
                    type = 'LineString'
                else:
                    type = 'Polygon'
                features = []
                for item in items:
                    if item.feature not in features:
                        features.append(item.feature)
                name = ''
                ok = True
                while not name.strip() and ok == True:
                    name, ok = QInputDialog.getText(self, self.tr('Layer name'), self.tr('Give a name to the layer:'))
                if ok:
                    layer = QgsVectorLayer(type+"?crs="+table.crs.authid(),name,"memory")
                    layer.startEditing()
                    layer.dataProvider().addAttributes(features[0].fields().toList())
                    layer.dataProvider().addFeatures(features)
                    layer.commitChanges()
                    QgsProject.instance().addMapLayer(layer)
            else:
                self.mb.pushWarning(self.tr('Warning'), self.tr('There is no selected feature !'))
        
    def highlight_features(self):
        for item in self.highlight:
            self.canvas.scene().removeItem(item)
        del self.highlight[:]
        del self.highlight_rows[:]
        index = self.tabWidget.currentIndex()
        tab = self.tabWidget.widget(index)
        if self.tabWidget.count() != 0:
            table = self.tabWidget.widget(index).findChildren(QTableWidget)[0]
            nb = 0
            area = 0
            length = 0
            items = table.selectedItems()
            for item in items:
                if item.row() not in self.highlight_rows:
                    if self.selectGeom:
                        highlight = QgsHighlight(self.canvas, item.feature.geometry(), self.tabWidget.widget(index).layer)
                    else:
                        highlight = QgsHighlight(self.canvas, item.feature.geometry().centroid(), self.tabWidget.widget(index).layer)
                    highlight.setColor(QColor(255,0,0))
                    self.highlight.append(highlight)
                    self.highlight_rows.append(item.row())
                    g = QgsGeometry(item.feature.geometry())
                    g.transform(QgsCoordinateTransform(tab.layer.crs(), QgsCoordinateReferenceSystem(2154), QgsProject.instance())) # geometry reprojection to get meters
                    nb += 1
                    area += g.area()
                    length += g.length()
            if tab.layer.geometryType()==QgsWkbTypes.PolygonGeometry:
                tab.sb.showMessage(self.tr('Selected features')+': '+str(nb)+'  '+self.tr('Area')+': '+"%.2f"%area+' m'+u'²')
            elif tab.layer.geometryType()==QgsWkbTypes.LineGeometry:
                tab.sb.showMessage(self.tr('Selected features')+': '+str(nb)+'  '+self.tr('Length')+': '+"%.2f"%length+' m')
            else:
                tab.sb.showMessage(self.tr('Selected features')+': '+str(nb))
    
    def tr(self, message):
        return QCoreApplication.translate('Qgeric', message)
        
    def zoomToFeature(self):
        index = self.tabWidget.currentIndex()
        table = self.tabWidget.widget(index).findChildren(QTableWidget)[0]
        items = table.selectedItems()
        feat_id = []
        for item in items:
            feat_id.append(item.feature.id())
        if len(feat_id) >= 1:
            if len(feat_id) == 1:
                self.canvas.setExtent(items[0].feature.geometry().buffer(5, 0).boundingBox()) # in case of a single point, it will still zoom to it
            else:
                self.canvas.zoomToFeatureIds(self.tabWidget.widget(self.tabWidget.currentIndex()).layer, feat_id)         
        self.canvas.refresh() 
    
    # Add a new tab
    def addLayer(self, layer, headers, types, features):
        tab = QWidget()
        tab.layer = layer
        p1_vertical = QVBoxLayout(tab)
        p1_vertical.setContentsMargins(0,0,0,0)
        
        table = QTableWidget()
        table.itemSelectionChanged.connect(self.highlight_features)
        table.title = layer.name()
        table.crs = layer.crs()
        table.setColumnCount(len(headers))
        if len(features) > 0:
            table.setRowCount(len(features))
            nbrow = len(features)
            self.loadingWindow.show()
            self.loadingWindow.setLabelText(table.title)
            self.loadingWindow.activateWindow()
            self.loadingWindow.showNormal()
            
            # Table population
            m = 0
            for feature in features:
                n = 0
                for cell in feature.attributes():
                    item = QTableWidgetItem()
                    item.setData(Qt.DisplayRole, cell)
                    item.setFlags(item.flags() ^ Qt.ItemIsEditable)
                    item.feature = feature
                    table.setItem(m, n, item)
                    n += 1
                m += 1
                self.loadingWindow.setValue(int((float(m)/nbrow)*100))  
                QApplication.processEvents()
            
        else:
            table.setRowCount(0)  
                            
        table.setHorizontalHeaderLabels(headers)
        table.horizontalHeader().setSectionsMovable(True)
        
        table.types = types
        table.filter_op = []
        table.filters = []
        for i in range(0, len(headers)):
            table.filters.append('')
            table.filter_op.append(0)
        
        header = table.horizontalHeader()
        header.setContextMenuPolicy(Qt.CustomContextMenu)
        header.customContextMenuRequested.connect(partial(self.filterMenu, table))
            
        table.setSortingEnabled(True)
        
        p1_vertical.addWidget(table)
        
        # Status bar to display informations (ie: area)
        tab.sb = QStatusBar()
        p1_vertical.addWidget(tab.sb)
        
        title = table.title
        # We reduce the title's length to 20 characters
        if len(title)>20:
            title = title[:20]+'...'
        
        # We add the number of elements to the tab's title.
        title += ' ('+str(len(features))+')'
            
        self.tabWidget.addTab(tab, title) # Add the tab to the conatiner
        self.tabWidget.setTabToolTip(self.tabWidget.indexOf(tab), table.title) # Display a tooltip with the layer's full name
     
    def filterMenu(self, table, pos):
        index = table.columnAt(pos.x())
        menu = QMenu()
        filter_operation = QComboBox()
        if table.types[index] in [10]:
            filter_operation.addItems([self.tr('Contains'),self.tr('Equals')])
        else:
            filter_operation.addItems(['=','>','<'])
        filter_operation.setCurrentIndex(table.filter_op[index])
        action_filter_operation = QWidgetAction(self)
        action_filter_operation.setDefaultWidget(filter_operation)
        if table.types[index] in [14]:
            if not isinstance(table.filters[index], QDate):
                filter_value = QDateEdit()
            else:
                filter_value = QDateEdit(table.filters[index])
        elif table.types[index] in [15]:
            if not isinstance(table.filters[index], QTime):
                filter_value = QTimeEdit()
            else:
                filter_value = QTimeEdit(table.filters[index])
        elif table.types[index] in [16]:
            if not isinstance(table.filters[index], QDateTime):
                filter_value = QDateTimeEdit()
            else:
                filter_value = QDateTimeEdit(table.filters[index])
        else:
            filter_value = QLineEdit(table.filters[index])
        action_filter_value = QWidgetAction(self)
        action_filter_value.setDefaultWidget(filter_value)
        menu.addAction(action_filter_operation)
        menu.addAction(action_filter_value)
        action_filter_apply = QAction(self.tr('Apply'), self)
        action_filter_apply.triggered.connect(partial(self.applyFilter, table, index, filter_value, filter_operation))
        action_filter_cancel = QAction(self.tr('Cancel'), self)
        action_filter_cancel.triggered.connect(partial(self.applyFilter, table, index, None, filter_operation))
        menu.addAction(action_filter_apply)
        menu.addAction(action_filter_cancel)
        menu.exec_(QtGui.QCursor.pos())
     
    def applyFilter(self, table, index, filter_value, filter_operation):
        if filter_value == None:
            table.filters[index] = None
        else:
            if isinstance(filter_value, QDateEdit):
                table.filters[index] = filter_value.date()
            elif isinstance(filter_value, QTimeEdit):
                table.filters[index] = filter_value.time()
            elif isinstance(filter_value, QDateTimeEdit):
                table.filters[index] = filter_value.dateTime()
            else:
                table.filters[index] = filter_value.text()
        table.filter_op[index] = filter_operation.currentIndex()
        nb_elts = 0
        for i in range(0, table.rowCount()):
            table.setRowHidden(i, False)
            nb_elts += 1
        hidden_rows = []
        for nb_col in range(0, table.columnCount()):
            filtered = False
            header = table.horizontalHeaderItem(nb_col).text()
            valid = False
            if table.filters[nb_col] is not None:
                if  type(table.filters[nb_col]) in [QDate, QTime, QDateTime]:
                    valid = True
                else:
                    if table.filters[nb_col].strip():
                        valid = True
            if valid:
                filtered = True
                items = None
                if table.types[nb_col] in [10]:# If it's a string
                    filter_type = None
                    if table.filter_op[nb_col] == 0: # Contain
                        filter_type = Qt.MatchContains
                    if table.filter_op[nb_col] == 1: # Equal
                        filter_type = Qt.MatchFixedString 
                    items = table.findItems(table.filters[nb_col], filter_type)
                elif table.types[nb_col] in [14, 15, 16]: # If it's a date/time
                    items = []
                    for nb_row in range(0, table.rowCount()):
                        item = table.item(nb_row, nb_col)
                        if table.filter_op[nb_col] == 0: # =
                            if  item.data(QTableWidgetItem.Type) == table.filters[nb_col]:
                                items.append(item)
                        if table.filter_op[nb_col] == 1: # >
                            if  item.data(QTableWidgetItem.Type) > table.filters[nb_col]:
                                items.append(item)
                        if table.filter_op[nb_col] == 2: # <
                            if  item.data(QTableWidgetItem.Type) < table.filters[nb_col]:
                                items.append(item)
                else: # If it's a number
                    items = []
                    for nb_row in range(0, table.rowCount()):
                        item = table.item(nb_row, nb_col)
                        if item.text().strip():
                            if table.filter_op[nb_col] == 0: # =
                                if  float(item.text()) == float(table.filters[nb_col]):
                                    items.append(item)
                            if table.filter_op[nb_col] == 1: # >
                                if  float(item.text()) > float(table.filters[nb_col]):
                                    items.append(item)
                            if table.filter_op[nb_col] == 2: # <
                                if  float(item.text()) < float(table.filters[nb_col]):
                                    items.append(item)
                rows = []
                for item in items:
                    if item.column() == nb_col:
                        rows.append(item.row())
                for i in range(0, table.rowCount()):
                    if i not in rows:
                        if i not in hidden_rows:
                            nb_elts -= 1
                        table.setRowHidden(i, True)
                        hidden_rows.append(i)
            if filtered:
                if header[len(header)-1] != '*':
                    table.setHorizontalHeaderItem(nb_col, QTableWidgetItem(header+'*'))
            else:
                if header[len(header)-1] == '*':
                    header = header[:-1]
                    table.setHorizontalHeaderItem(nb_col, QTableWidgetItem(header))
        
        title = self.tabWidget.tabText(self.tabWidget.currentIndex())
        for i in reversed(range(len(title))):
            if title[i] == ' ':
                break
            title = title[:-1]
        title += '('+str(nb_elts)+')'
        self.tabWidget.setTabText(self.tabWidget.currentIndex(), title)
       
    # Save tables in OpenDocument format
    # Use odswriter library
    def saveAttributes(self, active):
        file = QFileDialog.getSaveFileName(self, self.tr('Save in...'),'', self.tr('OpenDocument Spreadsheet (*.ods)'))
        if file[0]:
            try:
                with ods.writer(open(file[0],"wb")) as odsfile:
                    tabs = None
                    if active:
                        tabs = self.tabWidget.currentWidget().findChildren(QTableWidget)
                    else:
                        tabs = self.tabWidget.findChildren(QTableWidget)
                    for table in reversed(tabs):
                        sheet = odsfile.new_sheet(table.title[:20]+'...') # For each tab in the container, a new sheet is created
                        sheet.writerow([table.title]) # As the tab's title's lenght is limited, the full name of the layer is written in the first row
                        nb_row = table.rowCount()
                        nb_col = table.columnCount()
                        
                        # Fetching and writing of the table's header
                        header = []
                        for i in range(0,nb_col):
                            header.append(table.horizontalHeaderItem(i).text())
                        sheet.writerow(header)
                        
                        # Fetching and writing of the table's items
                        for i in range(0,nb_row):
                            row = []
                            for j in range(0,nb_col):
                                row.append(table.item(i,j).text())
                            if not table.isRowHidden(i):
                                sheet.writerow(row)
                    return True
            except IOError:
                QMessageBox.critical(self, self.tr('Error'), self.tr('The file can\'t be written.')+'\n'+self.tr('Maybe you don\'t have the rights or are trying to overwrite an opened file.'))
                return False
    
    def center(self):
        screen = QDesktopWidget().screenGeometry()
        size = self.geometry()
        self.move((screen.width()-size.width())/2, (screen.height()-size.height())/2)
        
    def clear(self):
        self.tabWidget.clear()
        for table in self.tabWidget.findChildren(QTableWidget):
            table.setParent(None)
        
    def closeEvent(self, e):
        result = QMessageBox.question(self, self.tr("Saving ?"), self.tr("Would you like to save results before exit ?"), buttons = QMessageBox.Yes | QMessageBox.No | QMessageBox.Cancel)
        if result == QMessageBox.Yes:
            if self.saveAttributes(False):
                self.clear()
                e.accept()
            else:
                e.ignore()
        elif result == QMessageBox.No:
            self.clear()
            e.accept()
        else:
            e.ignore()