Esempio n. 1
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    def getWidgetFromParameter(self, param, row, col):
        if isinstance(param, (ParameterRaster, ParameterVector, ParameterTable,
                              ParameterMultipleInput)):
            item = BatchInputSelectionPanel(param, row, col, self)
        elif isinstance(param, ParameterBoolean):
            item = QtGui.QComboBox()
            item.addItem('Yes')
            item.addItem('No')
            if param.default:
                item.setCurrentIndex(0)
            else:
                item.setCurrentIndex(1)
        elif isinstance(param, ParameterSelection):
            item = QtGui.QComboBox()
            item.addItems(param.options)
        elif isinstance(param, ParameterFixedTable):
            item = FixedTablePanel(param)
        elif isinstance(param, ParameterExtent):
            item = ExtentSelectionPanel(self, self.alg, param.default)
        elif isinstance(param, ParameterCrs):
            item = CrsSelectionPanel(param.default)
        elif isinstance(param, ParameterFile):
            item = FileSelectionPanel(param.isFolder)
        else:
            item = QtGui.QLineEdit()
            try:
                item.setText(str(param.default))
            except:
                pass

        return item
Esempio n. 2
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 def createWidget(self):
     if self.dialogType == DIALOG_MODELER:
         widget = QComboBox()
         widget.setEditable(True)
         crss = self.dialog.getAvailableValuesOfType(ParameterCrs)
         for crs in crss:
             widget.addItem(self.dialog.resolveValueDescription(crs), crs)
         raster = self.dialog.getAvailableValuesOfType(ParameterRaster, OutputRaster)
         vector = self.dialog.getAvailableValuesOfType(ParameterVector, OutputVector)
         for r in raster:
             widget.addItem("Crs of layer " + self.dialog.resolveValueDescription(r), r)
         for v in vector:
             widget.addItem("Crs of layer " + self.dialog.resolveValueDescription(v), v)
         if not self.param.default:
             widget.setEditText(self.param.default)
         return widget
     else:
         return CrsSelectionPanel()
Esempio n. 3
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    def getWidgetFromParameter(self, param, row, col):
        if isinstance(param, (ParameterRaster, ParameterVector, ParameterTable,
                              ParameterMultipleInput)):
            item = BatchInputSelectionPanel(param, row, col, self)
        elif isinstance(param, ParameterBoolean):
            item = QComboBox()
            item.addItem(self.tr('Yes'))
            item.addItem(self.tr('No'))
            if param.default:
                item.setCurrentIndex(0)
            else:
                item.setCurrentIndex(1)
        elif isinstance(param, ParameterSelection):
            item = QComboBox()
            item.addItems(param.options)
        elif isinstance(param, ParameterFixedTable):
            item = FixedTablePanel(param)
        elif isinstance(param, ParameterExtent):
            item = ExtentSelectionPanel(self.parent, self.alg, param.default)
        elif isinstance(param, ParameterPoint):
            item = PointSelectionPanel(self.parent, param.default)
        elif isinstance(param, ParameterCrs):
            item = CrsSelectionPanel(param.default)
        elif isinstance(param, ParameterFile):
            item = FileSelectionPanel(param.isFolder)
        elif isinstance(param, ParameterGeometryPredicate):
            item = GeometryPredicateSelectionPanel(param.enabledPredicates,
                                                   rows=1)
            width = max(self.tblParameters.columnWidth(col),
                        item.sizeHint().width())
            self.tblParameters.setColumnWidth(col, width)
        else:
            item = QLineEdit()
            if param.default is not None:
                try:
                    item.setText(unicode(param.default))
                except:
                    pass

        return item
Esempio n. 4
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    def getWidgetFromParameter(self, param):
        if isinstance(param, ParameterRaster):
            item = QtGui.QComboBox()

            layers = self.getRasterLayers()
            if param.optional:
                item.addItem(self.NOT_SELECTED, None)
            for layer in layers:
                item.addItem(layer.name(), layer)
        elif isinstance(param, ParameterVector):
            item = QtGui.QComboBox()

            layers = self.getVectorLayers()
            if param.optional:
                item.addItem(self.NOT_SELECTED, None)
            for layer in layers:
                item.addItem(layer.name(), layer)
        elif isinstance(param, ParameterTable):
            item = QtGui.QComboBox()
            item.setEditable(True)
            layers = self.getTables()
            if param.optional:
                item.addItem(self.NOT_SELECTED, None)
            for layer in layers:
                item.addItem(layer.name(), layer)
        elif isinstance(param, ParameterBoolean):
            item = QtGui.QComboBox()
            item.addItem('Yes')
            item.addItem('No')
            bools = self.getBooleans()
            for b in bools:
                item.addItem(b.name(), b)
        elif isinstance(param, ParameterSelection):
            item = QtGui.QComboBox()
            item.addItems(param.options)
        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.getVectorLayers()
            else:
                options = self.getRasterLayers()
            opts = []
            for opt in options:
                opts.append(opt.name())
            item = MultipleInputPanel(opts)
        elif isinstance(param, ParameterString):
            strings = self.getStrings()
            if param.multiline:
                item = MultilineTextPanel(strings, self.model)
                item.setText(str(param.default))
            else:
                item = QtGui.QComboBox()
                item.setEditable(True)
                for s in strings:
                    item.addItem(s.name(), s)
                item.setEditText(str(param.default))
        elif isinstance(param, ParameterTableField):
            item = QtGui.QComboBox()
            item.setEditable(True)
            fields = self.getTableFields()
            for f in fields:
                item.addItem(f.name(), f)
        elif isinstance(param, ParameterNumber):
            item = QtGui.QComboBox()
            item.setEditable(True)
            numbers = self.getNumbers()
            for n in numbers:
                item.addItem(n.name(), n)
            item.setEditText(str(param.default))
        elif isinstance(param, ParameterCrs):
            item = CrsSelectionPanel(param.default)
        elif isinstance(param, ParameterExtent):
            item = QtGui.QComboBox()
            item.setEditable(True)
            extents = self.getExtents()
            if self.canUseAutoExtent():
                item.addItem(self.USE_MIN_COVERING_EXTENT, None)
            for ex in extents:
                item.addItem(ex.name(), ex)
            if not self.canUseAutoExtent():
                item.setEditText(str(param.default))
        elif isinstance(param, ParameterFile):
            item = QtGui.QComboBox()
            item.setEditable(True)
            files = self.getFiles()
            for f in files:
                item.addItem(f.name(), f)
        else:
            item = QtGui.QLineEdit()
            try:
                item.setText(str(param.default))
            except:
                pass
        return item
Esempio n. 5
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 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
Esempio n. 6
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    def getWidgetFromParameter(self, param):
        # TODO Create Parameter widget class that holds the logic
        # for creating a widget that belongs to the parameter.
        if isinstance(param, ParameterRaster):
            layers = dataobjects.getRasterLayers()
            items = []
            if param.optional:
                items.append((self.NOT_SELECTED, None))
            for layer in layers:
                items.append((self.getExtendedLayerName(layer), layer))
            item = InputLayerSelectorPanel(items, param)
        elif isinstance(param, ParameterVector):
            if self.somethingDependsOnThisParameter(
                    param) or self.alg.allowOnlyOpenedLayers:
                item = QComboBox()
                layers = dataobjects.getVectorLayers(param.shapetype)
                if param.optional:
                    item.addItem(self.NOT_SELECTED, None)
                for layer in layers:
                    item.addItem(self.getExtendedLayerName(layer), layer)
                item.currentIndexChanged.connect(self.updateDependentFields)
                item.name = param.name
            else:
                layers = dataobjects.getVectorLayers(param.shapetype)
                items = []
                if param.optional:
                    items.append((self.NOT_SELECTED, None))
                for layer in layers:
                    items.append((self.getExtendedLayerName(layer), layer))
                # if already set, put first in list
                for i, (name, layer) in enumerate(items):
                    if layer and layer.source() == param.value:
                        items.insert(0, items.pop(i))
                item = InputLayerSelectorPanel(items, param)
        elif isinstance(param, ParameterTable):
            if self.somethingDependsOnThisParameter(param):
                item = QComboBox()
                layers = dataobjects.getTables()
                if param.optional:
                    item.addItem(self.NOT_SELECTED, None)
                for layer in layers:
                    item.addItem(layer.name(), layer)
                item.currentIndexChanged.connect(self.updateDependentFields)
                item.name = param.name
            else:
                layers = dataobjects.getTables()
                items = []
                if param.optional:
                    items.append((self.NOT_SELECTED, None))
                for layer in layers:
                    items.append((layer.name(), layer))
                # if already set, put first in list
                for i, (name, layer) in enumerate(items):
                    if layer and layer.source() == param.value:
                        items.insert(0, items.pop(i))
                item = InputLayerSelectorPanel(items, param)
        elif isinstance(param, ParameterBoolean):
            item = QCheckBox()
            if param.default:
                item.setChecked(True)
            else:
                item.setChecked(False)
        elif isinstance(param, ParameterTableField):
            item = QComboBox()
            if param.parent in self.dependentItems:
                items = self.dependentItems[param.parent]
            else:
                items = []
                self.dependentItems[param.parent] = items
            items.append(param.name)
            parent = self.alg.getParameterFromName(param.parent)
            if isinstance(parent, ParameterVector):
                layers = dataobjects.getVectorLayers(parent.shapetype)
            else:
                layers = dataobjects.getTables()
            if len(layers) > 0:
                if param.optional:
                    item.addItem(self.tr("[not set]"))
                item.addItems(self.getFields(layers[0], param.datatype))
        elif isinstance(param, ParameterSelection):
            item = QComboBox()
            item.addItems(param.options)
            item.setCurrentIndex(param.default)
        elif isinstance(param, ParameterFixedTable):
            item = FixedTablePanel(param)
        elif isinstance(param, ParameterRange):
            item = RangePanel(param)
        elif isinstance(param, ParameterFile):
            item = FileSelectionPanel(param.isFolder, param.ext)
        elif isinstance(param, ParameterMultipleInput):
            if param.datatype == ParameterMultipleInput.TYPE_FILE:
                item = MultipleFileInputPanel()
            else:
                if param.datatype == ParameterMultipleInput.TYPE_RASTER:
                    options = dataobjects.getRasterLayers(sorting=False)
                elif param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
                    options = dataobjects.getVectorLayers(sorting=False)
                else:
                    options = dataobjects.getVectorLayers([param.datatype],
                                                          sorting=False)
                opts = []
                for opt in options:
                    opts.append(self.getExtendedLayerName(opt))
                item = MultipleInputPanel(opts)
        elif isinstance(param, ParameterNumber):
            item = NumberInputPanel(param.default, param.min, param.max,
                                    param.isInteger)
        elif isinstance(param, ParameterExtent):
            item = ExtentSelectionPanel(self.parent, self.alg, param.default)
        elif isinstance(param, ParameterCrs):
            item = CrsSelectionPanel(param.default)
        elif isinstance(param, ParameterString):
            if param.multiline:
                verticalLayout = QVBoxLayout()
                verticalLayout.setSizeConstraint(QLayout.SetDefaultConstraint)
                textEdit = QPlainTextEdit()
                textEdit.setPlainText(param.default)
                verticalLayout.addWidget(textEdit)
                item = textEdit
            else:
                item = QLineEdit()
                item.setText(str(param.default))
        else:
            item = QLineEdit()
            item.setText(str(param.default))

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

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

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

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

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

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

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

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

        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_VECTOR or
                isinstance(self.param, ParameterVector)):
            self.verticalLayout.addWidget(QLabel(self.tr('Shape type')))
            self.shapetypeCombo = QComboBox()
            self.shapetypeCombo.addItem(self.tr('Any'))
            self.shapetypeCombo.addItem(self.tr('Point'))
            self.shapetypeCombo.addItem(self.tr('Line'))
            self.shapetypeCombo.addItem(self.tr('Polygon'))
            if self.param is not None:
                self.shapetypeCombo.setCurrentIndex(self.param.datatype[0] + 1)
            self.verticalLayout.addWidget(self.shapetypeCombo)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE or
                isinstance(self.param, ParameterMultipleInput)):
            self.verticalLayout.addWidget(QLabel(self.tr('Data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Vector (any)'))
            self.datatypeCombo.addItem(self.tr('Vector (point)'))
            self.datatypeCombo.addItem(self.tr('Vector (line)'))
            self.datatypeCombo.addItem(self.tr('Vector (polygon)'))
            self.datatypeCombo.addItem(self.tr('Raster'))
            self.datatypeCombo.addItem(self.tr('File'))
            if self.param is not None:
                self.datatypeCombo.setCurrentIndex(self.param.datatype + 1)
            self.verticalLayout.addWidget(self.datatypeCombo)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or
                isinstance(self.param, ParameterNumber)):
            self.verticalLayout.addWidget(QLabel(self.tr('Min value')))
            self.minTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.minTextBox)
            self.verticalLayout.addWidget(QLabel(self.tr('Max value')))
            self.maxTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.maxTextBox)
            if self.param is not None:
                self.minTextBox.setText(str(self.param.min))
                self.maxTextBox.setText(str(self.param.max))
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setText(self.tr('0'))
            if self.param is not None:
                default = self.param.default
                if self.param.isInteger:
                    default = int(math.floor(default))
                if default:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or
                isinstance(self.param, ParameterString)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.default)
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or
                isinstance(self.param, ParameterFile)):
            self.verticalLayout.addWidget(QLabel(self.tr('Type')))
            self.fileFolderCombo = QComboBox()
            self.fileFolderCombo.addItem(self.tr('File'))
            self.fileFolderCombo.addItem(self.tr('Folder'))
            if self.param is not None:
                self.fileFolderCombo.setCurrentIndex(
                    1 if self.param.isFolder else 0)
            self.verticalLayout.addWidget(self.fileFolderCombo)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_POINT or
                isinstance(self.param, ParameterPoint)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.default)
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_CRS or
                isinstance(self.param, ParameterCrs)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = CrsSelectionPanel('EPSG:4326')
            if self.param is not None:
                self.defaultTextBox.setAuthId(self.param.default)
            self.verticalLayout.addWidget(self.defaultTextBox)

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

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

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

        self.setLayout(self.verticalLayout)
class ModelerParameterDefinitionDialog(QDialog):

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

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

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

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

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

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

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

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

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

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

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

        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_VECTOR or
                isinstance(self.param, ParameterVector)):
            self.verticalLayout.addWidget(QLabel(self.tr('Shape type')))
            self.shapetypeCombo = QComboBox()
            self.shapetypeCombo.addItem(self.tr('Any'))
            self.shapetypeCombo.addItem(self.tr('Point'))
            self.shapetypeCombo.addItem(self.tr('Line'))
            self.shapetypeCombo.addItem(self.tr('Polygon'))
            if self.param is not None:
                self.shapetypeCombo.setCurrentIndex(self.param.datatype[0] + 1)
            self.verticalLayout.addWidget(self.shapetypeCombo)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE or
                isinstance(self.param, ParameterMultipleInput)):
            self.verticalLayout.addWidget(QLabel(self.tr('Data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Vector (any)'))
            self.datatypeCombo.addItem(self.tr('Vector (point)'))
            self.datatypeCombo.addItem(self.tr('Vector (line)'))
            self.datatypeCombo.addItem(self.tr('Vector (polygon)'))
            self.datatypeCombo.addItem(self.tr('Raster'))
            self.datatypeCombo.addItem(self.tr('File'))
            if self.param is not None:
                self.datatypeCombo.setCurrentIndex(self.param.datatype + 1)
            self.verticalLayout.addWidget(self.datatypeCombo)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or
                isinstance(self.param, ParameterNumber)):
            self.verticalLayout.addWidget(QLabel(self.tr('Min value')))
            self.minTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.minTextBox)
            self.verticalLayout.addWidget(QLabel(self.tr('Max value')))
            self.maxTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.maxTextBox)
            if self.param is not None:
                self.minTextBox.setText(str(self.param.min))
                self.maxTextBox.setText(str(self.param.max))
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setText(self.tr('0'))
            if self.param is not None:
                default = self.param.default
                if self.param.isInteger:
                    default = int(math.floor(default))
                if default:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or
                isinstance(self.param, ParameterString)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.default)
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or
                isinstance(self.param, ParameterFile)):
            self.verticalLayout.addWidget(QLabel(self.tr('Type')))
            self.fileFolderCombo = QComboBox()
            self.fileFolderCombo.addItem(self.tr('File'))
            self.fileFolderCombo.addItem(self.tr('Folder'))
            if self.param is not None:
                self.fileFolderCombo.setCurrentIndex(
                    1 if self.param.isFolder else 0)
            self.verticalLayout.addWidget(self.fileFolderCombo)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_POINT or
                isinstance(self.param, ParameterPoint)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.default)
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_CRS or
                isinstance(self.param, ParameterCrs)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = CrsSelectionPanel('EPSG:4326')
            if self.param is not None:
                self.defaultTextBox.setAuthId(self.param.default)
            self.verticalLayout.addWidget(self.defaultTextBox)

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

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

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

        self.setLayout(self.verticalLayout)

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

    def cancelPressed(self):
        self.param = None
        self.close()
Esempio n. 9
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    def setupUi(self):
        self.setWindowTitle(self.tr('Parameter definition'))
        self.setMinimumWidth(300)

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

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

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

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

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

        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_VECTOR
              or isinstance(self.param, ParameterVector)):
            self.verticalLayout.addWidget(QLabel(self.tr('Shape type')))
            self.shapetypeCombo = QComboBox()
            self.shapetypeCombo.addItem(self.tr('Any'))
            self.shapetypeCombo.addItem(self.tr('Point'))
            self.shapetypeCombo.addItem(self.tr('Line'))
            self.shapetypeCombo.addItem(self.tr('Polygon'))
            if self.param is not None:
                self.shapetypeCombo.setCurrentIndex(self.param.datatype[0] + 1)
            self.verticalLayout.addWidget(self.shapetypeCombo)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE
              or isinstance(self.param, ParameterMultipleInput)):
            self.verticalLayout.addWidget(QLabel(self.tr('Data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Vector (any)'))
            self.datatypeCombo.addItem(self.tr('Vector (point)'))
            self.datatypeCombo.addItem(self.tr('Vector (line)'))
            self.datatypeCombo.addItem(self.tr('Vector (polygon)'))
            self.datatypeCombo.addItem(self.tr('Raster'))
            self.datatypeCombo.addItem(self.tr('File'))
            if self.param is not None:
                self.datatypeCombo.setCurrentIndex(self.param.datatype + 1)
            self.verticalLayout.addWidget(self.datatypeCombo)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_NUMBER
              or isinstance(self.param, ParameterNumber)):
            self.verticalLayout.addWidget(QLabel(self.tr('Min value')))
            self.minTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.minTextBox)
            self.verticalLayout.addWidget(QLabel(self.tr('Max value')))
            self.maxTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.maxTextBox)
            if self.param is not None:
                self.minTextBox.setText(str(self.param.min))
                self.maxTextBox.setText(str(self.param.max))
            self.horizontalLayoutDefault.addWidget(
                QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setText(self.tr('0'))
            if self.param is not None:
                default = self.param.default
                if self.param.isInteger:
                    default = int(math.floor(default))
                if default:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_STRING
              or isinstance(self.param, ParameterString)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.default)
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE
              or isinstance(self.param, ParameterFile)):
            self.verticalLayout.addWidget(QLabel(self.tr('Type')))
            self.fileFolderCombo = QComboBox()
            self.fileFolderCombo.addItem(self.tr('File'))
            self.fileFolderCombo.addItem(self.tr('Folder'))
            if self.param is not None:
                self.fileFolderCombo.setCurrentIndex(
                    1 if self.param.isFolder else 0)
            self.verticalLayout.addWidget(self.fileFolderCombo)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_POINT
              or isinstance(self.param, ParameterPoint)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.default)
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_CRS
              or isinstance(self.param, ParameterCrs)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = CrsSelectionPanel('EPSG:4326')
            if self.param is not None:
                self.defaultTextBox.setAuthId(self.param.default)
            self.verticalLayout.addWidget(self.defaultTextBox)

        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(self.param.optional)
        self.verticalLayout.addWidget(self.requiredCheck)

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

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

        self.setLayout(self.verticalLayout)
Esempio n. 10
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class ModelerParameterDefinitionDialog(QDialog):

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

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

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

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

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

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

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

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

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

        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_VECTOR
              or isinstance(self.param, ParameterVector)):
            self.verticalLayout.addWidget(QLabel(self.tr('Shape type')))
            self.shapetypeCombo = QComboBox()
            self.shapetypeCombo.addItem(self.tr('Any'))
            self.shapetypeCombo.addItem(self.tr('Point'))
            self.shapetypeCombo.addItem(self.tr('Line'))
            self.shapetypeCombo.addItem(self.tr('Polygon'))
            if self.param is not None:
                self.shapetypeCombo.setCurrentIndex(self.param.datatype[0] + 1)
            self.verticalLayout.addWidget(self.shapetypeCombo)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE
              or isinstance(self.param, ParameterMultipleInput)):
            self.verticalLayout.addWidget(QLabel(self.tr('Data type')))
            self.datatypeCombo = QComboBox()
            self.datatypeCombo.addItem(self.tr('Vector (any)'))
            self.datatypeCombo.addItem(self.tr('Vector (point)'))
            self.datatypeCombo.addItem(self.tr('Vector (line)'))
            self.datatypeCombo.addItem(self.tr('Vector (polygon)'))
            self.datatypeCombo.addItem(self.tr('Raster'))
            self.datatypeCombo.addItem(self.tr('File'))
            if self.param is not None:
                self.datatypeCombo.setCurrentIndex(self.param.datatype + 1)
            self.verticalLayout.addWidget(self.datatypeCombo)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_NUMBER
              or isinstance(self.param, ParameterNumber)):
            self.verticalLayout.addWidget(QLabel(self.tr('Min value')))
            self.minTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.minTextBox)
            self.verticalLayout.addWidget(QLabel(self.tr('Max value')))
            self.maxTextBox = QLineEdit()
            self.verticalLayout.addWidget(self.maxTextBox)
            if self.param is not None:
                self.minTextBox.setText(str(self.param.min))
                self.maxTextBox.setText(str(self.param.max))
            self.horizontalLayoutDefault.addWidget(
                QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            self.defaultTextBox.setText(self.tr('0'))
            if self.param is not None:
                default = self.param.default
                if self.param.isInteger:
                    default = int(math.floor(default))
                if default:
                    self.defaultTextBox.setText(str(default))
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_STRING
              or isinstance(self.param, ParameterString)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.default)
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE
              or isinstance(self.param, ParameterFile)):
            self.verticalLayout.addWidget(QLabel(self.tr('Type')))
            self.fileFolderCombo = QComboBox()
            self.fileFolderCombo.addItem(self.tr('File'))
            self.fileFolderCombo.addItem(self.tr('Folder'))
            if self.param is not None:
                self.fileFolderCombo.setCurrentIndex(
                    1 if self.param.isFolder else 0)
            self.verticalLayout.addWidget(self.fileFolderCombo)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_POINT
              or isinstance(self.param, ParameterPoint)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = QLineEdit()
            if self.param is not None:
                self.defaultTextBox.setText(self.param.default)
            self.verticalLayout.addWidget(self.defaultTextBox)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_CRS
              or isinstance(self.param, ParameterCrs)):
            self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
            self.defaultTextBox = CrsSelectionPanel('EPSG:4326')
            if self.param is not None:
                self.defaultTextBox.setAuthId(self.param.default)
            self.verticalLayout.addWidget(self.defaultTextBox)

        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(self.param.optional)
        self.verticalLayout.addWidget(self.requiredCheck)

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

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

        self.setLayout(self.verticalLayout)

    def okPressed(self):
        description = str(self.nameTextBox.text())
        if description.strip() == '':
            QMessageBox.warning(self, self.tr('Unable to define parameter'),
                                self.tr('Invalid parameter name'))
            return
        if self.param is None:
            validChars = \
                'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
            safeName = ''.join(c for c in description if c in validChars)
            name = safeName.lower()
            i = 2
            while name in self.alg.inputs:
                name = safeName.lower() + str(i)
        else:
            name = self.param.name
        if (self.paramType
                == ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN
                or isinstance(self.param, ParameterBoolean)):
            self.param = ParameterBoolean(name, description,
                                          self.state.isChecked())
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD
              or isinstance(self.param, ParameterTableField)):
            if self.parentCombo.currentIndex() < 0:
                QMessageBox.warning(
                    self, self.tr('Unable to define parameter'),
                    self.tr('Wrong or missing parameter values'))
                return
            parent = self.parentCombo.itemData(self.parentCombo.currentIndex())
            datatype = self.datatypeCombo.itemData(
                self.datatypeCombo.currentIndex())
            self.param = ParameterTableField(name, description, parent,
                                             datatype)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_RASTER
              or isinstance(self.param, ParameterRaster)):
            self.param = ParameterRaster(name, description)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_TABLE
              or isinstance(self.param, ParameterTable)):
            self.param = ParameterTable(name, description)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_VECTOR
              or isinstance(self.param, ParameterVector)):
            self.param = ParameterVector(
                name, description, [self.shapetypeCombo.currentIndex() - 1])
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE
              or isinstance(self.param, ParameterMultipleInput)):
            self.param = ParameterMultipleInput(
                name, description,
                self.datatypeCombo.currentIndex() - 1)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_NUMBER
              or isinstance(self.param, ParameterNumber)):
            try:
                vmin = self.minTextBox.text().strip()
                if vmin == '':
                    vmin = None
                else:
                    vmin = float(vmin)
                vmax = self.maxTextBox.text().strip()
                if vmax == '':
                    vmax = None
                else:
                    vmax = float(vmax)
                self.param = ParameterNumber(name, description, vmin, vmax,
                                             str(self.defaultTextBox.text()))
            except:
                QMessageBox.warning(
                    self, self.tr('Unable to define parameter'),
                    self.tr('Wrong or missing parameter values'))
                return
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_STRING
              or isinstance(self.param, ParameterString)):
            self.param = ParameterString(name, description,
                                         str(self.defaultTextBox.text()))
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_EXTENT
              or isinstance(self.param, ParameterExtent)):
            self.param = ParameterExtent(name, description)
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE
              or isinstance(self.param, ParameterFile)):
            isFolder = self.fileFolderCombo.currentIndex() == 1
            self.param = ParameterFile(name, description, isFolder=isFolder)
        elif (self.paramType
              == ModelerParameterDefinitionDialog.PARAMETER_POINT
              or isinstance(self.param, ParameterPoint)):
            self.param = ParameterPoint(name, description,
                                        str(self.defaultTextBox.text()))
        elif (self.paramType == ModelerParameterDefinitionDialog.PARAMETER_CRS
              or isinstance(self.param, ParameterCrs)):
            self.param = ParameterCrs(name, description,
                                      self.defaultTextBox.getValue())
        self.param.optional = self.requiredCheck.isChecked()
        self.close()

    def cancelPressed(self):
        self.param = None
        self.close()
Esempio n. 11
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    def getWidgetFromParameter(self, param):
        if isinstance(param, ParameterRaster):
            layers = dataobjects.getRasterLayers()
            items = []
            if param.optional:
                items.append((self.NOT_SELECTED, None))
            for layer in layers:
                items.append((self.getExtendedLayerName(layer), layer))
            item = InputLayerSelectorPanel(items)
        elif isinstance(param, ParameterVector):
            if self.somethingDependsOnThisParameter(param) \
                or self.alg.allowOnlyOpenedLayers:
                item = QtGui.QComboBox()
                layers = dataobjects.getVectorLayers(param.shapetype)
                if param.optional:
                    item.addItem(self.NOT_SELECTED, None)
                for layer in layers:
                    item.addItem(self.getExtendedLayerName(layer), layer)
                item.currentIndexChanged.connect(self.updateDependentFields)
                item.name = param.name
            else:
                layers = dataobjects.getVectorLayers(param.shapetype)
                items = []
                if param.optional:
                    items.append((self.NOT_SELECTED, None))
                for layer in layers:
                    items.append((self.getExtendedLayerName(layer), layer))
                item = InputLayerSelectorPanel(items)
        elif isinstance(param, ParameterTable):
            if self.somethingDependsOnThisParameter(param):
                item = QtGui.QComboBox()
                layers = dataobjects.getTables()
                if param.optional:
                    item.addItem(self.NOT_SELECTED, None)
                for layer in layers:
                    item.addItem(layer.name(), layer)
                item.currentIndexChanged.connect(self.updateDependentFields)
                item.name = param.name
            else:
                layers = dataobjects.getTables()
                items = []
                if param.optional:
                    items.append((self.NOT_SELECTED, None))
                for layer in layers:
                    items.append((layer.name(), layer))
                item = InputLayerSelectorPanel(items)
        elif isinstance(param, ParameterBoolean):
            item = QtGui.QComboBox()
            item.addItem('Yes')
            item.addItem('No')
            if param.default:
                item.setCurrentIndex(0)
            else:
                item.setCurrentIndex(1)
        elif isinstance(param, ParameterTableField):
            item = QtGui.QComboBox()
            if param.parent in self.dependentItems:
                items = self.dependentItems[param.parent]
            else:
                items = []
                self.dependentItems[param.parent] = items
            items.append(param.name)
            parent = self.alg.getParameterFromName(param.parent)
            if isinstance(parent, ParameterVector):
                layers = dataobjects.getVectorLayers(parent.shapetype)
            else:
                layers = dataobjects.getTables()
            if len(layers) > 0:
                item.addItems(self.getFields(layers[0], param.datatype))
        elif isinstance(param, ParameterSelection):
            item = QtGui.QComboBox()
            item.addItems(param.options)
            item.setCurrentIndex(param.default)
        elif isinstance(param, ParameterFixedTable):
            item = FixedTablePanel(param)
        elif isinstance(param, ParameterRange):
            item = RangePanel(param)
        elif isinstance(param, ParameterFile):
            item = FileSelectionPanel(param.isFolder)
        elif isinstance(param, ParameterMultipleInput):
            if param.datatype == ParameterMultipleInput.TYPE_RASTER:
                options = dataobjects.getRasterLayers()
            elif param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
                options = dataobjects.getVectorLayers()
            else:
                options = dataobjects.getVectorLayers([param.datatype])
            opts = []
            for opt in options:
                opts.append(self.getExtendedLayerName(opt))
            item = MultipleInputPanel(opts)
        elif isinstance(param, ParameterNumber):
            item = NumberInputPanel(param.default, param.min, param.max,
                                    param.isInteger)
        elif isinstance(param, ParameterExtent):
            item = ExtentSelectionPanel(self.parent, self.alg, param.default)
        elif isinstance(param, ParameterCrs):
            item = CrsSelectionPanel(param.default)
        elif isinstance(param, ParameterString):
            if param.multiline:
                verticalLayout = QtGui.QVBoxLayout()
                verticalLayout.setSizeConstraint(
                    QtGui.QLayout.SetDefaultConstraint)
                textEdit = QtGui.QPlainTextEdit()
                textEdit.setPlainText(param.default)
                verticalLayout.addWidget(textEdit)
                item = textEdit
            else:
                item = QtGui.QLineEdit()
                item.setText(str(param.default))
        else:
            item = QtGui.QLineEdit()
            item.setText(str(param.default))

        return item