def initWidgets(self): # If there are advanced parameters — show corresponding groupbox for param in self.alg.parameterDefinitions(): if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced: self.grpAdvanced.show() break widget_context = QgsProcessingParameterWidgetContext() widget_context.setProject(QgsProject.instance()) if iface is not None: widget_context.setMapCanvas(iface.mapCanvas()) widget_context.setBrowserModel(iface.browserModel()) widget_context.setMessageBar(self.parent.messageBar()) if isinstance(self.alg, QgsProcessingModelAlgorithm): widget_context.setModel(self.alg) # Create widgets and put them in layouts for param in self.alg.parameterDefinitions(): if param.flags() & QgsProcessingParameterDefinition.FlagHidden: continue if param.isDestination(): continue else: wrapper = WidgetWrapperFactory.create_wrapper(param, self.parent) wrapper.setWidgetContext(widget_context) wrapper.registerProcessingContextGenerator(self.context_generator) self.wrappers[param.name()] = wrapper # For compatibility with 3.x API, we need to check whether the wrapper is # the deprecated WidgetWrapper class. If not, it's the newer # QgsAbstractProcessingParameterWidgetWrapper class # TODO QGIS 4.0 - remove is_python_wrapper = issubclass(wrapper.__class__, WidgetWrapper) if not is_python_wrapper: widget = wrapper.createWrappedWidget(self.processing_context) else: widget = wrapper.widget if self.in_place and param.name() in ('INPUT', 'OUTPUT'): # don't show the input/output parameter widgets in in-place mode # we still need to CREATE them, because other wrappers may need to interact # with them (e.g. those parameters which need the input layer for field # selections/crs properties/etc) continue if widget is not None: if is_python_wrapper: widget.setToolTip(param.toolTip()) if isinstance(param, QgsProcessingParameterFeatureSource): layout = QHBoxLayout() layout.setSpacing(6) layout.setMargin(0) layout.addWidget(widget) button = QToolButton() icon = QIcon(os.path.join(pluginPath, 'images', 'iterate.png')) button.setIcon(icon) button.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Expanding) button.setToolTip(self.tr('Iterate over this layer, creating a separate output for every feature in the layer')) button.setCheckable(True) layout.addWidget(button) layout.setAlignment(button, Qt.AlignTop) self.iterateButtons[param.name()] = button button.toggled.connect(self.buttonToggled) widget = QWidget() widget.setLayout(layout) label = None if not is_python_wrapper: label = wrapper.createWrappedLabel() else: label = wrapper.label if label is not None: if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced: self.layoutAdvanced.addWidget(label) else: self.layoutMain.insertWidget( self.layoutMain.count() - 2, label) elif is_python_wrapper: desc = param.description() if isinstance(param, QgsProcessingParameterExtent): desc += self.tr(' (xmin, xmax, ymin, ymax)') if isinstance(param, QgsProcessingParameterPoint): desc += self.tr(' (x, y)') if param.flags() & QgsProcessingParameterDefinition.FlagOptional: desc += self.tr(' [optional]') widget.setText(desc) if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced: self.layoutAdvanced.addWidget(widget) else: self.layoutMain.insertWidget( self.layoutMain.count() - 2, widget) for output in self.alg.destinationParameterDefinitions(): if output.flags() & QgsProcessingParameterDefinition.FlagHidden: continue if self.in_place and param.name() in ('INPUT', 'OUTPUT'): continue label = QLabel(output.description()) widget = QgsProcessingLayerOutputDestinationWidget(output, False) widget.setWidgetContext(widget_context) self.layoutMain.insertWidget(self.layoutMain.count() - 1, label) self.layoutMain.insertWidget(self.layoutMain.count() - 1, widget) if isinstance(output, (QgsProcessingParameterRasterDestination, QgsProcessingParameterFeatureSink, QgsProcessingParameterVectorDestination)): check = QCheckBox() check.setText(QCoreApplication.translate('ParametersPanel', 'Open output file after running algorithm')) def skipOutputChanged(widget, checkbox, skipped): enabled = not skipped # Do not try to open formats that are write-only. value = widget.value() if value and isinstance(value, QgsProcessingOutputLayerDefinition) and isinstance(output, ( QgsProcessingParameterFeatureSink, QgsProcessingParameterVectorDestination)): filename = value.sink.staticValue() if filename not in ('memory:', ''): path, ext = os.path.splitext(filename) format = QgsVectorFileWriter.driverForExtension(ext) drv = gdal.GetDriverByName(format) if drv: if drv.GetMetadataItem(gdal.DCAP_OPEN) is None: enabled = False checkbox.setEnabled(enabled) checkbox.setChecked(enabled) check.setChecked(not widget.outputIsSkipped()) check.setEnabled(not widget.outputIsSkipped()) widget.skipOutputChanged.connect(partial(skipOutputChanged, widget, check)) self.layoutMain.insertWidget(self.layoutMain.count() - 1, check) self.checkBoxes[output.name()] = check widget.setToolTip(param.toolTip()) self.outputWidgets[output.name()] = widget for wrapper in list(self.wrappers.values()): wrapper.postInitialize(list(self.wrappers.values()))
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)
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 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)
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)
def initWidgets(self): super().initWidgets() widget_context = QgsProcessingParameterWidgetContext() widget_context.setProject(QgsProject.instance()) if iface is not None: widget_context.setMapCanvas(iface.mapCanvas()) widget_context.setBrowserModel(iface.browserModel()) widget_context.setMessageBar(self.parent().messageBar()) if isinstance(self.algorithm(), QgsProcessingModelAlgorithm): widget_context.setModel(self.algorithm()) # Create widgets and put them in layouts for param in self.algorithm().parameterDefinitions(): if param.flags() & QgsProcessingParameterDefinition.FlagHidden: continue if param.isDestination(): continue else: wrapper = WidgetWrapperFactory.create_wrapper( param, self.parent()) wrapper.setWidgetContext(widget_context) wrapper.registerProcessingContextGenerator( self.context_generator) self.wrappers[param.name()] = wrapper # For compatibility with 3.x API, we need to check whether the wrapper is # the deprecated WidgetWrapper class. If not, it's the newer # QgsAbstractProcessingParameterWidgetWrapper class # TODO QGIS 4.0 - remove is_python_wrapper = issubclass(wrapper.__class__, WidgetWrapper) if not is_python_wrapper: widget = wrapper.createWrappedWidget( self.processing_context) else: widget = wrapper.widget if self.in_place and param.name() in ('INPUT', 'OUTPUT'): # don't show the input/output parameter widgets in in-place mode # we still need to CREATE them, because other wrappers may need to interact # with them (e.g. those parameters which need the input layer for field # selections/crs properties/etc) continue if widget is not None: if is_python_wrapper: widget.setToolTip(param.toolTip()) label = None if not is_python_wrapper: label = wrapper.createWrappedLabel() else: label = wrapper.label if label is not None: self.addParameterLabel(param, label) elif is_python_wrapper: desc = param.description() if isinstance(param, QgsProcessingParameterExtent): desc += self.tr(' (xmin, xmax, ymin, ymax)') if param.flags( ) & QgsProcessingParameterDefinition.FlagOptional: desc += self.tr(' [optional]') widget.setText(desc) self.addParameterWidget(param, widget) for output in self.algorithm().destinationParameterDefinitions(): if output.flags() & QgsProcessingParameterDefinition.FlagHidden: continue if self.in_place and param.name() in ('INPUT', 'OUTPUT'): continue label = QLabel(output.description()) widget = QgsProcessingLayerOutputDestinationWidget(output, False) widget.setWidgetContext(widget_context) self.addOutputLabel(label) self.addOutputWidget(widget) if isinstance(output, (QgsProcessingParameterRasterDestination, QgsProcessingParameterFeatureSink, QgsProcessingParameterVectorDestination)): check = QCheckBox() check.setText( QCoreApplication.translate( 'ParametersPanel', 'Open output file after running algorithm')) def skipOutputChanged(widget, checkbox, skipped): enabled = not skipped # Do not try to open formats that are write-only. value = widget.value() if value and isinstance( value, QgsProcessingOutputLayerDefinition) and isinstance( output, (QgsProcessingParameterFeatureSink, QgsProcessingParameterVectorDestination)): filename = value.sink.staticValue() if filename not in ('memory:', ''): path, ext = os.path.splitext(filename) format = QgsVectorFileWriter.driverForExtension( ext) drv = gdal.GetDriverByName(format) if drv: if drv.GetMetadataItem(gdal.DCAP_OPEN) is None: enabled = False checkbox.setEnabled(enabled) checkbox.setChecked(enabled) check.setChecked(not widget.outputIsSkipped()) check.setEnabled(not widget.outputIsSkipped()) widget.skipOutputChanged.connect( partial(skipOutputChanged, widget, check)) self.addOutputWidget(check) self.checkBoxes[output.name()] = check self.outputWidgets[output.name()] = widget for wrapper in list(self.wrappers.values()): wrapper.postInitialize(list(self.wrappers.values()))