# -*- coding: utf-8 -*- """ *************************************************************************** ModelerParameterDefinitionDialog.py --------------------- Date : August 2012 Copyright : (C) 2012 by Victor Olaya Email : volayaf at gmail dot com *************************************************************************** * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * *************************************************************************** """ __author__ = 'Victor Olaya' __date__ = 'August 2012' __copyright__ = '(C) 2012, Victor Olaya' import math from qgis.PyQt.QtCore import (Qt, QByteArray, QCoreApplication) from qgis.PyQt.QtWidgets import (QDialog, QVBoxLayout, QLabel, QLineEdit, QComboBox, QCheckBox, QDialogButtonBox, QMessageBox) from qgis.gui import QgsExpressionLineEdit, QgsProjectionSelectionWidget from qgis.core import (QgsApplication, QgsSettings, QgsProcessing, QgsCoordinateReferenceSystem, QgsProcessingParameterDefinition, QgsProcessingParameterCrs, QgsProcessingParameterMapLayer, QgsProcessingParameterExtent, QgsProcessingParameterPoint, QgsProcessingParameterMatrix, QgsProcessingParameterMultipleLayers, QgsProcessingParameterNumber, QgsProcessingParameterDistance, QgsProcessingParameterScale, QgsProcessingParameterRange, QgsProcessingParameterRasterLayer, QgsProcessingParameterEnum, QgsProcessingParameterExpression, QgsProcessingParameterVectorLayer, QgsProcessingParameterField, QgsProcessingParameterFeatureSource, QgsProcessingParameterBand, QgsProcessingDestinationParameter, QgsProcessingParameterFeatureSink, QgsProcessingParameterFileDestination, QgsProcessingParameterFolderDestination, QgsProcessingParameterRasterDestination, QgsProcessingParameterVectorDestination) from processing.gui.DestinationSelectionPanel import DestinationSelectionPanel from processing.gui.enummodelerwidget import EnumModelerWidget from processing.gui.matrixmodelerwidget import MatrixModelerWidget from processing.core import parameters from processing.modeler.exceptions import UndefinedParameterException 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_EXPRESSION, parameters.PARAMETER_POINT, parameters.PARAMETER_CRS, parameters.PARAMETER_ENUM, parameters.PARAMETER_MATRIX): return True elif isinstance(param, (QgsProcessingParameterField, QgsProcessingParameterBand, QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer, QgsProcessingParameterMultipleLayers, QgsProcessingParameterNumber, QgsProcessingParameterDistance, QgsProcessingParameterScale, QgsProcessingParameterExpression, QgsProcessingParameterPoint, QgsProcessingParameterCrs, QgsProcessingParameterEnum, QgsProcessingParameterMatrix, 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 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.setMinimumWidth(300) self.verticalLayout = QVBoxLayout(self) self.verticalLayout.setMargin(20) self.label = QLabel(self.tr('Parameter name')) self.verticalLayout.addWidget(self.label) self.nameTextBox = QLineEdit() self.verticalLayout.addWidget(self.nameTextBox) if isinstance(self.param, QgsProcessingParameterDefinition): self.nameTextBox.setText(self.param.description()) if self.paramType == parameters.PARAMETER_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 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_EXPRESSION or isinstance(self.param, QgsProcessingParameterExpression)): self.verticalLayout.addWidget(QLabel(self.tr('Default value'))) self.defaultEdit = QgsExpressionLineEdit() if self.param is not None: self.defaultEdit.setExpression(self.param.defaultValue()) self.verticalLayout.addWidget(self.defaultEdit) self.verticalLayout.addWidget(QLabel(self.tr('Parent layer'))) self.parentCombo = QComboBox() self.parentCombo.addItem(self.tr("None"), None) idx = 1 for param in list(self.alg.parameterComponents().values()): definition = self.alg.parameterDefinition(param.parameterName()) if isinstance(definition, (QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer)): self.parentCombo.addItem(definition.description(), definition.name()) if self.param is not None: if self.param.parentLayerParameterName() == definition.name(): self.parentCombo.setCurrentIndex(idx) idx += 1 self.verticalLayout.addWidget(self.parentCombo) elif (self.paramType == parameters.PARAMETER_POINT or isinstance(self.param, QgsProcessingParameterPoint)): self.verticalLayout.addWidget(QLabel(self.tr('Default value'))) self.defaultTextBox = QLineEdit() if self.param is not None: self.defaultTextBox.setText(self.param.defaultValue()) self.verticalLayout.addWidget(self.defaultTextBox) elif (self.paramType == parameters.PARAMETER_CRS or isinstance(self.param, QgsProcessingParameterCrs)): self.verticalLayout.addWidget(QLabel(self.tr('Default value'))) self.selector = QgsProjectionSelectionWidget() if self.param is not None: self.selector.setCrs(QgsCoordinateReferenceSystem(self.param.defaultValue())) else: self.selector.setCrs(QgsCoordinateReferenceSystem('EPSG:4326')) self.verticalLayout.addWidget(self.selector) elif self.paramType == parameters.PARAMETER_ENUM or \ isinstance(self.param, QgsProcessingParameterEnum): self.widget = EnumModelerWidget(self) if self.param is not None: self.widget.setAllowMultiple(bool(self.param.allowMultiple())) self.widget.setOptions(self.param.options()) self.widget.setDefault(self.param.defaultValue()) self.verticalLayout.addWidget(self.widget) elif self.paramType == parameters.PARAMETER_MATRIX or \ isinstance(self.param, QgsProcessingParameterMatrix): self.widget = MatrixModelerWidget(self) if self.param is not None: self.widget.setValue(self.param.headers(), self.param.defaultValue()) self.widget.setFixedRows(self.param.hasFixedNumberRows()) self.verticalLayout.addWidget(self.widget) elif isinstance(self.param, QgsProcessingDestinationParameter): self.verticalLayout.addWidget(QLabel(self.tr('Default value'))) self.defaultWidget = DestinationSelectionPanel(self.param, self.alg, default_selection=True) self.verticalLayout.addWidget(self.defaultWidget) self.verticalLayout.addSpacing(20) self.requiredCheck = QCheckBox() self.requiredCheck.setText(self.tr('Mandatory')) self.requiredCheck.setChecked(True) if self.param is not None: self.requiredCheck.setChecked(not self.param.flags() & QgsProcessingParameterDefinition.FlagOptional) self.verticalLayout.addWidget(self.requiredCheck) 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.buttonBox = QDialogButtonBox(self) self.buttonBox.setOrientation(Qt.Horizontal) self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel | QDialogButtonBox.Ok) self.buttonBox.setObjectName('buttonBox') self.buttonBox.accepted.connect(self.accept) self.buttonBox.rejected.connect(self.reject) self.verticalLayout.addStretch() self.verticalLayout.addWidget(self.buttonBox) self.setLayout(self.verticalLayout) def accept(self): description = self.nameTextBox.text() if description.strip() == '': QMessageBox.warning(self, self.tr('Unable to define parameter'), self.tr('Invalid parameter name')) return if self.param is None: validChars = \ 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789' safeName = ''.join(c for c in description if c in validChars) name = safeName.lower() i = 2 while self.alg.parameterDefinition(name): name = safeName.lower() + str(i) i += 1 else: name = self.param.name() if (self.paramType == parameters.PARAMETER_TABLE_FIELD or isinstance(self.param, QgsProcessingParameterField)): if self.parentCombo.currentIndex() < 0: QMessageBox.warning(self, self.tr('Unable to define parameter'), self.tr('Wrong or missing parameter values')) return parent = self.parentCombo.currentData() datatype = self.datatypeCombo.currentData() default = self.defaultTextBox.text() if not default: default = None self.param = QgsProcessingParameterField(name, description, defaultValue=default, parentLayerParameterName=parent, type=datatype, allowMultiple=self.multipleCheck.isChecked()) elif (self.paramType == parameters.PARAMETER_BAND or isinstance(self.param, QgsProcessingParameterBand)): if self.parentCombo.currentIndex() < 0: QMessageBox.warning(self, self.tr('Unable to define parameter'), self.tr('Wrong or missing parameter values')) return parent = self.parentCombo.currentData() self.param = QgsProcessingParameterBand(name, description, None, parent) elif (self.paramType == parameters.PARAMETER_MAP_LAYER or isinstance(self.param, QgsProcessingParameterMapLayer)): self.param = QgsProcessingParameterMapLayer( name, description) elif (self.paramType == parameters.PARAMETER_RASTER or isinstance(self.param, QgsProcessingParameterRasterLayer)): self.param = QgsProcessingParameterRasterLayer( name, description) elif (self.paramType == parameters.PARAMETER_TABLE or isinstance(self.param, QgsProcessingParameterVectorLayer)): self.param = QgsProcessingParameterVectorLayer( name, description, [self.shapetypeCombo.currentData()]) elif (self.paramType == parameters.PARAMETER_VECTOR or isinstance(self.param, QgsProcessingParameterFeatureSource)): self.param = QgsProcessingParameterFeatureSource( name, description, [self.shapetypeCombo.currentData()]) elif (self.paramType == parameters.PARAMETER_MULTIPLE or isinstance(self.param, QgsProcessingParameterMultipleLayers)): self.param = QgsProcessingParameterMultipleLayers( name, description, self.datatypeCombo.currentData()) elif (self.paramType == parameters.PARAMETER_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_EXPRESSION or isinstance(self.param, QgsProcessingParameterExpression)): parent = self.parentCombo.currentData() self.param = QgsProcessingParameterExpression(name, description, str(self.defaultEdit.expression()), parent) elif (self.paramType == parameters.PARAMETER_EXTENT or isinstance(self.param, QgsProcessingParameterExtent)): self.param = QgsProcessingParameterExtent(name, description) elif (self.paramType == parameters.PARAMETER_POINT or isinstance(self.param, QgsProcessingParameterPoint)): self.param = QgsProcessingParameterPoint(name, description, str(self.defaultTextBox.text())) elif (self.paramType == parameters.PARAMETER_CRS or isinstance(self.param, QgsProcessingParameterCrs)): self.param = QgsProcessingParameterCrs(name, description, self.selector.crs().authid()) elif (self.paramType == parameters.PARAMETER_ENUM or isinstance(self.param, QgsProcessingParameterEnum)): self.param = QgsProcessingParameterEnum(name, description, self.widget.options(), self.widget.allowMultiple(), self.widget.defaultOptions()) elif (self.paramType == parameters.PARAMETER_MATRIX or isinstance(self.param, QgsProcessingParameterMatrix)): self.param = QgsProcessingParameterMatrix(name, description, hasFixedNumberRows=self.widget.fixedRows(), headers=self.widget.headers(), defaultValue=self.widget.value()) # Destination parameter elif (isinstance(self.param, QgsProcessingParameterFeatureSink)): self.param = QgsProcessingParameterFeatureSink( name=name, description=self.param.description(), type=self.param.dataType(), defaultValue=self.defaultWidget.getValue()) elif (isinstance(self.param, QgsProcessingParameterFileDestination)): self.param = QgsProcessingParameterFileDestination( name=name, description=self.param.description(), fileFilter=self.param.fileFilter(), defaultValue=self.defaultWidget.getValue()) elif (isinstance(self.param, QgsProcessingParameterFolderDestination)): self.param = QgsProcessingParameterFolderDestination( name=name, description=self.param.description(), defaultValue=self.defaultWidget.getValue()) elif (isinstance(self.param, QgsProcessingParameterRasterDestination)): self.param = QgsProcessingParameterRasterDestination( name=name, description=self.param.description(), defaultValue=self.defaultWidget.getValue()) elif (isinstance(self.param, QgsProcessingParameterVectorDestination)): self.param = QgsProcessingParameterVectorDestination( name=name, description=self.param.description(), type=self.param.dataType(), defaultValue=self.defaultWidget.getValue()) else: if self.paramType: typeId = self.paramType else: typeId = self.param.type() paramTypeDef = QgsApplication.instance().processingRegistry().parameterType(typeId) if not paramTypeDef: msg = self.tr('The parameter `{}` is not registered, are you missing a required plugin?'.format(typeId)) raise UndefinedParameterException(msg) self.param = paramTypeDef.create(name) self.param.setDescription(description) self.param.setMetadata(paramTypeDef.metadata()) if not self.requiredCheck.isChecked(): self.param.setFlags(self.param.flags() | QgsProcessingParameterDefinition.FlagOptional) else: self.param.setFlags(self.param.flags() & ~QgsProcessingParameterDefinition.FlagOptional) 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)