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510 lines
28 KiB
Python
Executable File
510 lines
28 KiB
Python
Executable File
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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ModelerParameterDefinitionDialog.py
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---------------------
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Date : August 2012
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Copyright : (C) 2012 by Victor Olaya
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Email : volayaf at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Victor Olaya'
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__date__ = 'August 2012'
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__copyright__ = '(C) 2012, Victor Olaya'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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import math
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from qgis.PyQt.QtCore import (Qt,
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QByteArray,
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QCoreApplication)
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from qgis.PyQt.QtWidgets import (QDialog,
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QVBoxLayout,
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QLabel,
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QLineEdit,
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QComboBox,
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QCheckBox,
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QDialogButtonBox,
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QMessageBox)
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from qgis.gui import QgsExpressionLineEdit, QgsProjectionSelectionWidget
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from qgis.core import (QgsApplication,
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QgsSettings,
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QgsProcessing,
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QgsCoordinateReferenceSystem,
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QgsProcessingParameterDefinition,
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QgsProcessingParameterBoolean,
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QgsProcessingParameterCrs,
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QgsProcessingParameterMapLayer,
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QgsProcessingParameterExtent,
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QgsProcessingParameterPoint,
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QgsProcessingParameterFile,
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QgsProcessingParameterMatrix,
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QgsProcessingParameterMultipleLayers,
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QgsProcessingParameterNumber,
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QgsProcessingParameterDistance,
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QgsProcessingParameterRange,
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QgsProcessingParameterRasterLayer,
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QgsProcessingParameterEnum,
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QgsProcessingParameterString,
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QgsProcessingParameterExpression,
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QgsProcessingParameterVectorLayer,
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QgsProcessingParameterField,
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QgsProcessingParameterFeatureSource,
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QgsProcessingParameterBand,
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QgsProcessingDestinationParameter,
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QgsProcessingParameterFeatureSink,
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QgsProcessingParameterFileDestination,
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QgsProcessingParameterFolderDestination,
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QgsProcessingParameterRasterDestination,
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QgsProcessingParameterVectorDestination)
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from processing.gui.DestinationSelectionPanel import DestinationSelectionPanel
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from processing.gui.enummodelerwidget import EnumModelerWidget
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from processing.gui.matrixmodelerwidget import MatrixModelerWidget
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from processing.core import parameters
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from processing.modeler.exceptions import UndefinedParameterException
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class ModelerParameterDefinitionDialog(QDialog):
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def __init__(self, alg, paramType=None, param=None):
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self.alg = alg
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self.paramType = paramType
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self.param = param
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QDialog.__init__(self)
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self.setModal(True)
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self.setupUi()
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settings = QgsSettings()
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self.restoreGeometry(settings.value("/Processing/modelParametersDefinitionDialogGeometry", QByteArray()))
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def closeEvent(self, event):
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settings = QgsSettings()
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settings.setValue("/Processing/modelParametersDefinitionDialogGeometry", self.saveGeometry())
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super(ModelerParameterDefinitionDialog, self).closeEvent(event)
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def setupUi(self):
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self.setWindowTitle(self.tr('Parameter Definition'))
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self.setMinimumWidth(300)
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self.verticalLayout = QVBoxLayout(self)
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self.verticalLayout.setMargin(20)
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self.label = QLabel(self.tr('Parameter name'))
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self.verticalLayout.addWidget(self.label)
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self.nameTextBox = QLineEdit()
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self.verticalLayout.addWidget(self.nameTextBox)
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if isinstance(self.param, QgsProcessingParameterDefinition):
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self.nameTextBox.setText(self.param.description())
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if self.paramType == parameters.PARAMETER_BOOLEAN or \
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isinstance(self.param, QgsProcessingParameterBoolean):
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self.state = QCheckBox()
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self.state.setText(self.tr('Checked'))
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self.state.setChecked(False)
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if self.param is not None:
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self.state.setChecked(bool(self.param.defaultValue()))
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self.verticalLayout.addWidget(self.state)
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elif self.paramType == parameters.PARAMETER_TABLE_FIELD or \
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isinstance(self.param, QgsProcessingParameterField):
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self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
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self.parentCombo = QComboBox()
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idx = 0
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for param in list(self.alg.parameterComponents().values()):
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definition = self.alg.parameterDefinition(param.parameterName())
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if isinstance(definition, (QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer)):
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self.parentCombo.addItem(definition.description(), definition.name())
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if self.param is not None:
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if self.param.parentLayerParameterName() == definition.name():
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self.parentCombo.setCurrentIndex(idx)
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idx += 1
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self.verticalLayout.addWidget(self.parentCombo)
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# add the datatype selector
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self.verticalLayout.addWidget(QLabel(self.tr('Allowed data type')))
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self.datatypeCombo = QComboBox()
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self.datatypeCombo.addItem(self.tr('Any'), -1)
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self.datatypeCombo.addItem(self.tr('Number'), 0)
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self.datatypeCombo.addItem(self.tr('String'), 1)
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self.datatypeCombo.addItem(self.tr('Date/time'), 2)
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self.verticalLayout.addWidget(self.datatypeCombo)
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if self.param is not None and self.param.dataType() is not None:
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# QComboBoxes indexes start at 0,
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# self.param.datatype start with -1 that is why I need to do +1
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datatypeIndex = self.param.dataType() + 1
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self.datatypeCombo.setCurrentIndex(datatypeIndex)
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self.multipleCheck = QCheckBox()
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self.multipleCheck.setText(self.tr('Accept multiple fields'))
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self.multipleCheck.setChecked(False)
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if self.param is not None:
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self.multipleCheck.setChecked(self.param.allowMultiple())
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self.verticalLayout.addWidget(self.multipleCheck)
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self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
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self.defaultTextBox = QLineEdit()
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self.defaultTextBox.setToolTip(
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self.tr('Default field name, or ; separated list of field names for multiple field parameters'))
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if self.param is not None:
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default = self.param.defaultValue()
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if default is not None:
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self.defaultTextBox.setText(str(default))
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self.verticalLayout.addWidget(self.defaultTextBox)
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elif self.paramType == parameters.PARAMETER_BAND or \
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isinstance(self.param, QgsProcessingParameterBand):
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self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
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self.parentCombo = QComboBox()
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idx = 0
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for param in list(self.alg.parameterComponents().values()):
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definition = self.alg.parameterDefinition(param.parameterName())
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if isinstance(definition, (QgsProcessingParameterRasterLayer)):
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self.parentCombo.addItem(definition.description(), definition.name())
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if self.param is not None:
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if self.param.parentLayerParameterName() == definition.name():
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self.parentCombo.setCurrentIndex(idx)
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idx += 1
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self.verticalLayout.addWidget(self.parentCombo)
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elif (self.paramType in (
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parameters.PARAMETER_VECTOR, parameters.PARAMETER_TABLE) or
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isinstance(self.param, (QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer))):
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self.verticalLayout.addWidget(QLabel(self.tr('Geometry type')))
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self.shapetypeCombo = QComboBox()
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self.shapetypeCombo.addItem(self.tr('Geometry Not Required'), QgsProcessing.TypeVector)
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self.shapetypeCombo.addItem(self.tr('Point'), QgsProcessing.TypeVectorPoint)
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self.shapetypeCombo.addItem(self.tr('Line'), QgsProcessing.TypeVectorLine)
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self.shapetypeCombo.addItem(self.tr('Polygon'), QgsProcessing.TypeVectorPolygon)
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self.shapetypeCombo.addItem(self.tr('Any Geometry Type'), QgsProcessing.TypeVectorAnyGeometry)
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if self.param is not None:
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self.shapetypeCombo.setCurrentIndex(self.shapetypeCombo.findData(self.param.dataTypes()[0]))
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self.verticalLayout.addWidget(self.shapetypeCombo)
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elif (self.paramType == parameters.PARAMETER_MULTIPLE or
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isinstance(self.param, QgsProcessingParameterMultipleLayers)):
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self.verticalLayout.addWidget(QLabel(self.tr('Data type')))
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self.datatypeCombo = QComboBox()
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self.datatypeCombo.addItem(self.tr('Any Map Layer'), QgsProcessing.TypeMapLayer)
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self.datatypeCombo.addItem(self.tr('Vector (No Geometry Required)'), QgsProcessing.TypeVector)
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self.datatypeCombo.addItem(self.tr('Vector (Point)'), QgsProcessing.TypeVectorPoint)
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self.datatypeCombo.addItem(self.tr('Vector (Line)'), QgsProcessing.TypeVectorLine)
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self.datatypeCombo.addItem(self.tr('Vector (Polygon)'), QgsProcessing.TypeVectorPolygon)
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self.datatypeCombo.addItem(self.tr('Vector (Any Geometry Type)'), QgsProcessing.TypeVectorAnyGeometry)
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self.datatypeCombo.addItem(self.tr('Raster'), QgsProcessing.TypeRaster)
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self.datatypeCombo.addItem(self.tr('File'), QgsProcessing.TypeFile)
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if self.param is not None:
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self.datatypeCombo.setCurrentIndex(self.datatypeCombo.findData(self.param.layerType()))
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self.verticalLayout.addWidget(self.datatypeCombo)
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elif (self.paramType == parameters.PARAMETER_NUMBER or self.paramType == parameters.PARAMETER_DISTANCE or
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isinstance(self.param, (QgsProcessingParameterNumber, QgsProcessingParameterDistance))):
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self.verticalLayout.addWidget(QLabel(self.tr('Min value')))
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self.minTextBox = QLineEdit()
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self.verticalLayout.addWidget(self.minTextBox)
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self.verticalLayout.addWidget(QLabel(self.tr('Max value')))
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self.maxTextBox = QLineEdit()
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self.verticalLayout.addWidget(self.maxTextBox)
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if self.param is not None:
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self.minTextBox.setText(str(self.param.minimum()))
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self.maxTextBox.setText(str(self.param.maximum()))
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self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
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self.defaultTextBox = QLineEdit()
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self.defaultTextBox.setText(self.tr('0'))
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if self.param is not None:
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default = self.param.defaultValue()
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if self.param.dataType() == QgsProcessingParameterNumber.Integer:
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default = int(math.floor(default))
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if default:
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self.defaultTextBox.setText(str(default))
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self.verticalLayout.addWidget(self.defaultTextBox)
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elif (self.paramType == parameters.PARAMETER_EXPRESSION or
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isinstance(self.param, QgsProcessingParameterExpression)):
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self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
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self.defaultEdit = QgsExpressionLineEdit()
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if self.param is not None:
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self.defaultEdit.setExpression(self.param.defaultValue())
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self.verticalLayout.addWidget(self.defaultEdit)
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self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
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self.parentCombo = QComboBox()
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self.parentCombo.addItem(self.tr("None"), None)
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idx = 1
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for param in list(self.alg.parameterComponents().values()):
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definition = self.alg.parameterDefinition(param.parameterName())
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if isinstance(definition, (QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer)):
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self.parentCombo.addItem(definition.description(), definition.name())
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if self.param is not None:
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if self.param.parentLayerParameterName() == definition.name():
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self.parentCombo.setCurrentIndex(idx)
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idx += 1
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self.verticalLayout.addWidget(self.parentCombo)
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elif (self.paramType == parameters.PARAMETER_STRING or
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isinstance(self.param, QgsProcessingParameterString)):
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self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
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self.defaultTextBox = QLineEdit()
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if self.param is not None:
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self.defaultTextBox.setText(self.param.defaultValue())
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self.verticalLayout.addWidget(self.defaultTextBox)
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elif (self.paramType == parameters.PARAMETER_FILE or
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isinstance(self.param, QgsProcessingParameterFile)):
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self.verticalLayout.addWidget(QLabel(self.tr('Type')))
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self.fileFolderCombo = QComboBox()
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self.fileFolderCombo.addItem(self.tr('File'))
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self.fileFolderCombo.addItem(self.tr('Folder'))
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if self.param is not None:
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self.fileFolderCombo.setCurrentIndex(
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1 if self.param.behavior() == QgsProcessingParameterFile.Folder else 0)
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self.verticalLayout.addWidget(self.fileFolderCombo)
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elif (self.paramType == parameters.PARAMETER_POINT or
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isinstance(self.param, QgsProcessingParameterPoint)):
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self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
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self.defaultTextBox = QLineEdit()
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if self.param is not None:
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self.defaultTextBox.setText(self.param.defaultValue())
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self.verticalLayout.addWidget(self.defaultTextBox)
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elif (self.paramType == parameters.PARAMETER_CRS or
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isinstance(self.param, QgsProcessingParameterCrs)):
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self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
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self.selector = QgsProjectionSelectionWidget()
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if self.param is not None:
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self.selector.setCrs(QgsCoordinateReferenceSystem(self.param.defaultValue()))
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else:
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self.selector.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
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self.verticalLayout.addWidget(self.selector)
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elif self.paramType == parameters.PARAMETER_ENUM or \
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isinstance(self.param, QgsProcessingParameterEnum):
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self.widget = EnumModelerWidget(self)
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if self.param is not None:
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self.widget.setAllowMultiple(bool(self.param.allowMultiple()))
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self.widget.setOptions(self.param.options())
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self.widget.setDefault(self.param.defaultValue())
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self.verticalLayout.addWidget(self.widget)
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elif self.paramType == parameters.PARAMETER_MATRIX or \
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isinstance(self.param, QgsProcessingParameterMatrix):
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self.widget = MatrixModelerWidget(self)
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if self.param is not None:
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self.widget.setValue(self.param.headers(), self.param.defaultValue())
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self.widget.setFixedRows(self.param.hasFixedNumberRows())
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self.verticalLayout.addWidget(self.widget)
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elif isinstance(self.param, QgsProcessingDestinationParameter):
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self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
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self.defaultWidget = DestinationSelectionPanel(self.param, self.alg, default_selection=True)
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self.verticalLayout.addWidget(self.defaultWidget)
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self.verticalLayout.addSpacing(20)
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self.requiredCheck = QCheckBox()
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self.requiredCheck.setText(self.tr('Mandatory'))
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self.requiredCheck.setChecked(True)
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if self.param is not None:
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self.requiredCheck.setChecked(not self.param.flags() & QgsProcessingParameterDefinition.FlagOptional)
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self.verticalLayout.addWidget(self.requiredCheck)
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# If child algorithm output is mandatory, disable checkbox
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if isinstance(self.param, QgsProcessingDestinationParameter):
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provider_name, child_name, output_name = self.param.name().split(':')
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child = self.alg.childAlgorithms()['{}:{}'.format(provider_name, child_name)]
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model_output = child.modelOutput(output_name)
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param_def = child.algorithm().parameterDefinition(model_output.childOutputName())
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if not (param_def.flags() & QgsProcessingParameterDefinition.FlagOptional):
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self.requiredCheck.setEnabled(False)
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self.requiredCheck.setChecked(True)
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self.buttonBox = QDialogButtonBox(self)
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self.buttonBox.setOrientation(Qt.Horizontal)
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self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel |
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QDialogButtonBox.Ok)
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self.buttonBox.setObjectName('buttonBox')
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self.buttonBox.accepted.connect(self.accept)
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self.buttonBox.rejected.connect(self.reject)
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self.verticalLayout.addStretch()
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self.verticalLayout.addWidget(self.buttonBox)
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self.setLayout(self.verticalLayout)
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def accept(self):
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description = self.nameTextBox.text()
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if description.strip() == '':
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QMessageBox.warning(self, self.tr('Unable to define parameter'),
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self.tr('Invalid parameter name'))
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return
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if self.param is None:
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validChars = \
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'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
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safeName = ''.join(c for c in description if c in validChars)
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name = safeName.lower()
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i = 2
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while self.alg.parameterDefinition(name):
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name = safeName.lower() + str(i)
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i += 1
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else:
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name = self.param.name()
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if (self.paramType == parameters.PARAMETER_BOOLEAN or
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isinstance(self.param, QgsProcessingParameterBoolean)):
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self.param = QgsProcessingParameterBoolean(name, description, self.state.isChecked())
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elif (self.paramType == parameters.PARAMETER_TABLE_FIELD or
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isinstance(self.param, QgsProcessingParameterField)):
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if self.parentCombo.currentIndex() < 0:
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QMessageBox.warning(self, self.tr('Unable to define parameter'),
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self.tr('Wrong or missing parameter values'))
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return
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parent = self.parentCombo.currentData()
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datatype = self.datatypeCombo.currentData()
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default = self.defaultTextBox.text()
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if not default:
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default = None
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self.param = QgsProcessingParameterField(name, description, defaultValue=default,
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parentLayerParameterName=parent, type=datatype,
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allowMultiple=self.multipleCheck.isChecked())
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elif (self.paramType == parameters.PARAMETER_BAND or
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isinstance(self.param, QgsProcessingParameterBand)):
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if self.parentCombo.currentIndex() < 0:
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QMessageBox.warning(self, self.tr('Unable to define parameter'),
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self.tr('Wrong or missing parameter values'))
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return
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parent = self.parentCombo.currentData()
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self.param = QgsProcessingParameterBand(name, description, None, parent)
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elif (self.paramType == parameters.PARAMETER_MAP_LAYER or
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isinstance(self.param, QgsProcessingParameterMapLayer)):
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self.param = QgsProcessingParameterMapLayer(
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name, description)
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elif (self.paramType == parameters.PARAMETER_RASTER or
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isinstance(self.param, QgsProcessingParameterRasterLayer)):
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self.param = QgsProcessingParameterRasterLayer(
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name, description)
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elif (self.paramType == parameters.PARAMETER_TABLE or
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isinstance(self.param, QgsProcessingParameterVectorLayer)):
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self.param = QgsProcessingParameterVectorLayer(
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name, description,
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[self.shapetypeCombo.currentData()])
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elif (self.paramType == parameters.PARAMETER_VECTOR or
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isinstance(self.param, QgsProcessingParameterFeatureSource)):
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self.param = QgsProcessingParameterFeatureSource(
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name, description,
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[self.shapetypeCombo.currentData()])
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elif (self.paramType == parameters.PARAMETER_MULTIPLE or
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isinstance(self.param, QgsProcessingParameterMultipleLayers)):
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self.param = QgsProcessingParameterMultipleLayers(
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name, description,
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self.datatypeCombo.currentData())
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elif (self.paramType == parameters.PARAMETER_NUMBER or
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isinstance(self.param, (QgsProcessingParameterNumber, QgsProcessingParameterDistance))):
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try:
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self.param = QgsProcessingParameterNumber(name, description, QgsProcessingParameterNumber.Double,
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self.defaultTextBox.text())
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vmin = self.minTextBox.text().strip()
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if not vmin == '':
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self.param.setMinimum(float(vmin))
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vmax = self.maxTextBox.text().strip()
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if not vmax == '':
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self.param.setMaximum(float(vmax))
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except:
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QMessageBox.warning(self, self.tr('Unable to define parameter'),
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self.tr('Wrong or missing parameter values'))
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return
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elif (self.paramType == parameters.PARAMETER_EXPRESSION or
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isinstance(self.param, QgsProcessingParameterExpression)):
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parent = self.parentCombo.currentData()
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self.param = QgsProcessingParameterExpression(name, description,
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str(self.defaultEdit.expression()),
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parent)
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elif (self.paramType == parameters.PARAMETER_STRING or
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|
isinstance(self.param, QgsProcessingParameterString)):
|
|
self.param = QgsProcessingParameterString(name, description,
|
|
str(self.defaultTextBox.text()))
|
|
elif (self.paramType == parameters.PARAMETER_EXTENT or
|
|
isinstance(self.param, QgsProcessingParameterExtent)):
|
|
self.param = QgsProcessingParameterExtent(name, description)
|
|
elif (self.paramType == parameters.PARAMETER_FILE or
|
|
isinstance(self.param, QgsProcessingParameterFile)):
|
|
isFolder = self.fileFolderCombo.currentIndex() == 1
|
|
self.param = QgsProcessingParameterFile(name, description,
|
|
QgsProcessingParameterFile.Folder if isFolder else QgsProcessingParameterFile.File)
|
|
elif (self.paramType == parameters.PARAMETER_POINT or
|
|
isinstance(self.param, QgsProcessingParameterPoint)):
|
|
self.param = QgsProcessingParameterPoint(name, description,
|
|
str(self.defaultTextBox.text()))
|
|
elif (self.paramType == parameters.PARAMETER_CRS or
|
|
isinstance(self.param, QgsProcessingParameterCrs)):
|
|
self.param = QgsProcessingParameterCrs(name, description, self.selector.crs().authid())
|
|
elif (self.paramType == parameters.PARAMETER_ENUM or
|
|
isinstance(self.param, QgsProcessingParameterEnum)):
|
|
self.param = QgsProcessingParameterEnum(name, description, self.widget.options(), self.widget.allowMultiple(), self.widget.defaultOptions())
|
|
elif (self.paramType == parameters.PARAMETER_MATRIX or
|
|
isinstance(self.param, QgsProcessingParameterMatrix)):
|
|
self.param = QgsProcessingParameterMatrix(name, description, hasFixedNumberRows=self.widget.fixedRows(), headers=self.widget.headers(), defaultValue=self.widget.value())
|
|
|
|
# Destination parameter
|
|
elif (isinstance(self.param, QgsProcessingParameterFeatureSink)):
|
|
self.param = QgsProcessingParameterFeatureSink(
|
|
name=name,
|
|
description=self.param.description(),
|
|
type=self.param.dataType(),
|
|
defaultValue=self.defaultWidget.getValue())
|
|
elif (isinstance(self.param, QgsProcessingParameterFileDestination)):
|
|
self.param = QgsProcessingParameterFileDestination(
|
|
name=name,
|
|
description=self.param.description(),
|
|
fileFilter=self.param.fileFilter(),
|
|
defaultValue=self.defaultWidget.getValue())
|
|
elif (isinstance(self.param, QgsProcessingParameterFolderDestination)):
|
|
self.param = QgsProcessingParameterFolderDestination(
|
|
name=name,
|
|
description=self.param.description(),
|
|
defaultValue=self.defaultWidget.getValue())
|
|
elif (isinstance(self.param, QgsProcessingParameterRasterDestination)):
|
|
self.param = QgsProcessingParameterRasterDestination(
|
|
name=name,
|
|
description=self.param.description(),
|
|
defaultValue=self.defaultWidget.getValue())
|
|
elif (isinstance(self.param, QgsProcessingParameterVectorDestination)):
|
|
self.param = QgsProcessingParameterVectorDestination(
|
|
name=name,
|
|
description=self.param.description(),
|
|
type=self.param.dataType(),
|
|
defaultValue=self.defaultWidget.getValue())
|
|
|
|
else:
|
|
if self.paramType:
|
|
typeId = self.paramType
|
|
else:
|
|
typeId = self.param.type()
|
|
|
|
paramTypeDef = QgsApplication.instance().processingRegistry().parameterType(typeId)
|
|
if not paramTypeDef:
|
|
msg = self.tr('The parameter `{}` is not registered, are you missing a required plugin?'.format(typeId))
|
|
raise UndefinedParameterException(msg)
|
|
self.param = paramTypeDef.create(name)
|
|
self.param.setDescription(description)
|
|
self.param.setMetadata(paramTypeDef.metadata())
|
|
|
|
if not self.requiredCheck.isChecked():
|
|
self.param.setFlags(self.param.flags() | QgsProcessingParameterDefinition.FlagOptional)
|
|
else:
|
|
self.param.setFlags(self.param.flags() & ~QgsProcessingParameterDefinition.FlagOptional)
|
|
|
|
settings = QgsSettings()
|
|
settings.setValue("/Processing/modelParametersDefinitionDialogGeometry", self.saveGeometry())
|
|
|
|
QDialog.accept(self)
|
|
|
|
def reject(self):
|
|
self.param = None
|
|
|
|
settings = QgsSettings()
|
|
settings.setValue("/Processing/modelParametersDefinitionDialogGeometry", self.saveGeometry())
|
|
|
|
QDialog.reject(self)
|