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1951 lines
82 KiB
Python
Executable File
1951 lines
82 KiB
Python
Executable File
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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wrappers.py - Standard parameters widget wrappers
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---------------------
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Date : May 2016
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Copyright : (C) 2016 by Arnaud Morvan, Victor Olaya
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Email : arnaud dot morvan at camptocamp dot com
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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__ = 'Arnaud Morvan'
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__date__ = 'May 2016'
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__copyright__ = '(C) 2016, Arnaud Morvan'
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import os
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import re
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from inspect import isclass
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from copy import deepcopy
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from qgis.core import (
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QgsApplication,
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QgsCoordinateReferenceSystem,
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QgsExpression,
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QgsFieldProxyModel,
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QgsSettings,
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QgsProject,
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QgsMapLayerType,
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QgsVectorLayer,
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QgsProcessing,
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QgsProcessingUtils,
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QgsProcessingParameterDefinition,
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QgsProcessingParameterBoolean,
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QgsProcessingParameterCrs,
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QgsProcessingParameterExtent,
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QgsProcessingParameterPoint,
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QgsProcessingParameterFile,
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QgsProcessingParameterMultipleLayers,
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QgsProcessingParameterNumber,
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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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QgsProcessingParameterMeshLayer,
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QgsProcessingParameterField,
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QgsProcessingParameterFeatureSource,
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QgsProcessingParameterMapLayer,
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QgsProcessingParameterBand,
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QgsProcessingParameterMatrix,
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QgsProcessingParameterDistance,
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QgsProcessingFeatureSourceDefinition,
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QgsProcessingOutputRasterLayer,
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QgsProcessingOutputVectorLayer,
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QgsProcessingOutputMapLayer,
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QgsProcessingOutputMultipleLayers,
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QgsProcessingOutputFile,
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QgsProcessingOutputString,
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QgsProcessingOutputNumber,
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QgsProcessingModelChildParameterSource,
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NULL,
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Qgis)
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from qgis.PyQt.QtWidgets import (
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QCheckBox,
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QComboBox,
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QLabel,
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QDialog,
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QFileDialog,
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QHBoxLayout,
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QLineEdit,
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QPlainTextEdit,
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QToolButton,
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QWidget,
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QSizePolicy
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)
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from qgis.PyQt.QtGui import QIcon
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from qgis.gui import (
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QgsGui,
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QgsExpressionLineEdit,
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QgsExpressionBuilderDialog,
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QgsFieldComboBox,
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QgsFieldExpressionWidget,
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QgsProjectionSelectionDialog,
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QgsMapLayerComboBox,
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QgsProjectionSelectionWidget,
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QgsRasterBandComboBox,
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QgsProcessingGui,
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QgsAbstractProcessingParameterWidgetWrapper,
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QgsProcessingMapLayerComboBox
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)
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from qgis.PyQt.QtCore import QVariant, Qt
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from qgis.utils import iface
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from processing.core.ProcessingConfig import ProcessingConfig
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from processing.modeler.MultilineTextPanel import MultilineTextPanel
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from processing.gui.NumberInputPanel import NumberInputPanel, ModelerNumberInputPanel, DistanceInputPanel
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from processing.gui.RangePanel import RangePanel
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from processing.gui.PointSelectionPanel import PointSelectionPanel
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from processing.gui.FileSelectionPanel import FileSelectionPanel
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from processing.gui.CheckboxesPanel import CheckboxesPanel
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from processing.gui.MultipleInputPanel import MultipleInputPanel
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from processing.gui.BatchInputSelectionPanel import BatchInputSelectionPanel
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from processing.gui.FixedTablePanel import FixedTablePanel
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from processing.gui.ExtentSelectionPanel import ExtentSelectionPanel
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from processing.tools import dataobjects
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DIALOG_STANDARD = QgsProcessingGui.Standard
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DIALOG_BATCH = QgsProcessingGui.Batch
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DIALOG_MODELER = QgsProcessingGui.Modeler
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pluginPath = os.path.split(os.path.dirname(__file__))[0]
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class InvalidParameterValue(Exception):
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pass
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dialogTypes = {"AlgorithmDialog": DIALOG_STANDARD,
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"ModelerParametersDialog": DIALOG_MODELER,
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"BatchAlgorithmDialog": DIALOG_BATCH}
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def getExtendedLayerName(layer):
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authid = layer.crs().authid()
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if ProcessingConfig.getSetting(ProcessingConfig.SHOW_CRS_DEF) and authid is not None:
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return u'{} [{}]'.format(layer.name(), authid)
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else:
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return layer.name()
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class WidgetWrapper(QgsAbstractProcessingParameterWidgetWrapper):
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NOT_SET_OPTION = '~~~~!!!!NOT SET!!!!~~~~~~~'
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def __init__(self, param, dialog, row=0, col=0, **kwargs):
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self.dialogType = dialogTypes.get(dialog.__class__.__name__, QgsProcessingGui.Standard)
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super().__init__(param, self.dialogType)
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self.dialog = dialog
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self.row = row
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self.col = col
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self.widget = self.createWidget(**kwargs)
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self.label = self.createLabel()
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if param.defaultValue() is not None:
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self.setValue(param.defaultValue())
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def comboValue(self, validator=None, combobox=None):
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if combobox is None:
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combobox = self.widget
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idx = combobox.findText(combobox.currentText())
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if idx < 0:
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v = combobox.currentText().strip()
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if validator is not None and not validator(v):
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raise InvalidParameterValue()
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return v
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if combobox.currentData() == self.NOT_SET_OPTION:
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return None
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elif combobox.currentData() is not None:
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return combobox.currentData()
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else:
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return combobox.currentText()
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def createWidget(self, **kwargs):
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pass
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def createLabel(self):
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if self.dialogType == DIALOG_BATCH:
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return None
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desc = self.parameterDefinition().description()
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if isinstance(self.parameterDefinition(), QgsProcessingParameterExtent):
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desc += self.tr(' (xmin, xmax, ymin, ymax)')
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if isinstance(self.parameterDefinition(), QgsProcessingParameterPoint):
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desc += self.tr(' (x, y)')
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if self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional:
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desc += self.tr(' [optional]')
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label = QLabel(desc)
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label.setToolTip(self.parameterDefinition().name())
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return label
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def setValue(self, value):
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pass
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def value(self):
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return None
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def widgetValue(self):
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return self.value()
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def setWidgetValue(self, value, context):
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self.setValue(value)
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def setComboValue(self, value, combobox=None):
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if combobox is None:
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combobox = self.widget
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if isinstance(value, list):
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if value:
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value = value[0]
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else:
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value = None
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values = [combobox.itemData(i) for i in range(combobox.count())]
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try:
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idx = values.index(value)
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combobox.setCurrentIndex(idx)
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return
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except ValueError:
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pass
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if combobox.isEditable():
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if value is not None:
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combobox.setEditText(str(value))
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else:
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combobox.setCurrentIndex(0)
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def refresh(self):
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pass
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def getFileName(self, initial_value=''):
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"""Shows a file open dialog"""
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settings = QgsSettings()
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if os.path.isdir(initial_value):
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path = initial_value
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elif os.path.isdir(os.path.dirname(initial_value)):
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path = os.path.dirname(initial_value)
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elif settings.contains('/Processing/LastInputPath'):
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path = str(settings.value('/Processing/LastInputPath'))
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else:
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path = ''
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# TODO: should use selectedFilter argument for default file format
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filename, selected_filter = QFileDialog.getOpenFileName(self.widget, self.tr('Select File'),
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path, self.parameterDefinition().createFileFilter())
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if filename:
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settings.setValue('/Processing/LastInputPath',
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os.path.dirname(str(filename)))
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return filename, selected_filter
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class BasicWidgetWrapper(WidgetWrapper):
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def createWidget(self):
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return QLineEdit()
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def setValue(self, value):
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self.widget.setText(value)
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def value(self):
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return self.widget.text()
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class BooleanWidgetWrapper(WidgetWrapper):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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"""
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.. deprecated:: 3.4
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Do not use, will be removed in QGIS 4.0
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"""
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from warnings import warn
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warn("BooleanWidgetWrapper is deprecated and will be removed in QGIS 4.0", DeprecationWarning)
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def createLabel(self):
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if self.dialogType == DIALOG_STANDARD:
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return None
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else:
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return super().createLabel()
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def createWidget(self):
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if self.dialogType == DIALOG_STANDARD:
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return QCheckBox()
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elif self.dialogType == DIALOG_BATCH:
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widget = QComboBox()
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widget.addItem(self.tr('Yes'), True)
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widget.addItem(self.tr('No'), False)
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return widget
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else:
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widget = QComboBox()
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widget.addItem(self.tr('Yes'), True)
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widget.addItem(self.tr('No'), False)
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bools = self.dialog.getAvailableValuesOfType(QgsProcessingParameterBoolean, None)
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for b in bools:
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widget.addItem(self.dialog.resolveValueDescription(b), b)
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return widget
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def setValue(self, value):
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if value is None or value == NULL:
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return
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if self.dialogType == DIALOG_STANDARD:
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self.widget.setChecked(value)
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else:
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self.setComboValue(value)
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def value(self):
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if self.dialogType == DIALOG_STANDARD:
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return self.widget.isChecked()
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else:
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return self.comboValue()
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class CrsWidgetWrapper(WidgetWrapper):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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"""
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.. deprecated:: 3.4
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Do not use, will be removed in QGIS 4.0
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"""
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from warnings import warn
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warn("CrsWidgetWrapper is deprecated and will be removed in QGIS 4.0", DeprecationWarning)
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def createWidget(self):
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if self.dialogType == DIALOG_MODELER:
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self.combo = QComboBox()
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widget = QWidget()
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layout = QHBoxLayout()
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layout.setMargin(0)
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layout.setContentsMargins(0, 0, 0, 0)
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layout.setSpacing(1)
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layout.addWidget(self.combo)
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btn = QToolButton()
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btn.setIcon(QgsApplication.getThemeIcon("mActionSetProjection.svg"))
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btn.setToolTip(self.tr("Select CRS"))
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btn.clicked.connect(self.selectProjection)
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layout.addWidget(btn)
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widget.setLayout(layout)
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self.combo.setEditable(True)
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crss = self.dialog.getAvailableValuesOfType((QgsProcessingParameterCrs, QgsProcessingParameterString), QgsProcessingOutputString)
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for crs in crss:
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self.combo.addItem(self.dialog.resolveValueDescription(crs), crs)
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layers = self.dialog.getAvailableValuesOfType([QgsProcessingParameterRasterLayer,
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QgsProcessingParameterVectorLayer,
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QgsProcessingParameterMeshLayer,
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QgsProcessingParameterFeatureSource],
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[QgsProcessingOutputVectorLayer,
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QgsProcessingOutputRasterLayer,
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QgsProcessingOutputMapLayer])
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for l in layers:
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self.combo.addItem("Crs of layer " + self.dialog.resolveValueDescription(l), l)
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if self.parameterDefinition().defaultValue():
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self.combo.setEditText(self.parameterDefinition().defaultValue())
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return widget
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else:
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widget = QgsProjectionSelectionWidget()
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if self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional:
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widget.setOptionVisible(QgsProjectionSelectionWidget.CrsNotSet, True)
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if self.parameterDefinition().defaultValue():
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if self.parameterDefinition().defaultValue() == 'ProjectCrs':
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crs = QgsProject.instance().crs()
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else:
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crs = QgsCoordinateReferenceSystem(self.parameterDefinition().defaultValue())
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widget.setCrs(crs)
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else:
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widget.setOptionVisible(QgsProjectionSelectionWidget.CrsNotSet, True)
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widget.crsChanged.connect(lambda: self.widgetValueHasChanged.emit(self))
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return widget
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def selectProjection(self):
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dialog = QgsProjectionSelectionDialog(self.widget)
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current_crs = QgsCoordinateReferenceSystem(self.combo.currentText())
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if current_crs.isValid():
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dialog.setCrs(current_crs)
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if dialog.exec_():
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self.setValue(dialog.crs().authid())
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def setValue(self, value):
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if value is None or value == NULL:
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return
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if self.dialogType == DIALOG_MODELER:
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self.setComboValue(value, self.combo)
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elif value == 'ProjectCrs':
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self.widget.setCrs(QgsProject.instance().crs())
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else:
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self.widget.setCrs(QgsCoordinateReferenceSystem(value))
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def value(self):
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if self.dialogType == DIALOG_MODELER:
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return self.comboValue(combobox=self.combo)
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else:
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crs = self.widget.crs()
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if crs.isValid():
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return self.widget.crs().authid()
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else:
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return None
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class ExtentWidgetWrapper(WidgetWrapper):
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USE_MIN_COVERING_EXTENT = "[Use min covering extent]"
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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"""
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.. deprecated:: 3.14
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Do not use, will be removed in QGIS 4.0
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"""
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from warnings import warn
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warn("ExtentWidgetWrapper is deprecated and will be removed in QGIS 4.0", DeprecationWarning)
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def createWidget(self):
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if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
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widget = ExtentSelectionPanel(self.dialog, self.parameterDefinition())
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widget.hasChanged.connect(lambda: self.widgetValueHasChanged.emit(self))
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return widget
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else:
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widget = QComboBox()
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widget.setEditable(True)
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extents = self.dialog.getAvailableValuesOfType(QgsProcessingParameterExtent, (QgsProcessingOutputString))
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if self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional:
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widget.addItem(self.USE_MIN_COVERING_EXTENT, None)
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layers = self.dialog.getAvailableValuesOfType([QgsProcessingParameterFeatureSource,
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QgsProcessingParameterRasterLayer,
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QgsProcessingParameterVectorLayer,
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QgsProcessingParameterMeshLayer],
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[QgsProcessingOutputRasterLayer,
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QgsProcessingOutputVectorLayer,
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QgsProcessingOutputMapLayer])
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for ex in extents:
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widget.addItem(self.dialog.resolveValueDescription(ex), ex)
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for l in layers:
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widget.addItem("Extent of " + self.dialog.resolveValueDescription(l), l)
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if not self.parameterDefinition().defaultValue():
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widget.setEditText(self.parameterDefinition().defaultValue())
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return widget
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def setValue(self, value):
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if value is None or value == NULL:
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return
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if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
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self.widget.setExtentFromString(value)
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else:
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self.setComboValue(value)
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def value(self):
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if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
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return self.widget.getValue()
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else:
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idx = self.widget.findText(self.widget.currentText())
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if idx < 0:
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s = str(self.widget.currentText()).strip()
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if s:
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try:
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tokens = s.split(',')
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if len(tokens) != 4:
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raise InvalidParameterValue()
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for token in tokens:
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float(token)
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except:
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raise InvalidParameterValue()
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elif self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional:
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s = None
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else:
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raise InvalidParameterValue()
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return s
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else:
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return self.widget.currentData()
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class PointWidgetWrapper(WidgetWrapper):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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"""
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.. deprecated:: 3.4
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Do not use, will be removed in QGIS 4.0
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"""
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from warnings import warn
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warn("PointWidgetWrapper is deprecated and will be removed in QGIS 4.0", DeprecationWarning)
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def createWidget(self):
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if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
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return PointSelectionPanel(self.dialog, self.parameterDefinition().defaultValue())
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else:
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item = QComboBox()
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item.setEditable(True)
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points = self.dialog.getAvailableValuesOfType((QgsProcessingParameterPoint, QgsProcessingParameterString), (QgsProcessingOutputString))
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for p in points:
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item.addItem(self.dialog.resolveValueDescription(p), p)
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item.setEditText(str(self.parameterDefinition().defaultValue()))
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return item
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def setValue(self, value):
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if value is None or value == NULL:
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return
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if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
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self.widget.setPointFromString(value)
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else:
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self.setComboValue(value)
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def value(self):
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if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
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return self.widget.getValue()
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else:
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idx = self.widget.findText(self.widget.currentText())
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if idx < 0:
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s = str(self.widget.currentText()).strip()
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if s:
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try:
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tokens = s.split(',')
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if len(tokens) != 2:
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raise InvalidParameterValue()
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for token in tokens:
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float(token)
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except:
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raise InvalidParameterValue()
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elif self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional:
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s = None
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else:
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raise InvalidParameterValue()
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return s
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else:
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return self.widget.currentData()
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class FileWidgetWrapper(WidgetWrapper):
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|
def __init__(self, *args, **kwargs):
|
|
super().__init__(*args, **kwargs)
|
|
"""
|
|
.. deprecated:: 3.4
|
|
Do not use, will be removed in QGIS 4.0
|
|
"""
|
|
|
|
from warnings import warn
|
|
warn("FileWidgetWrapper is deprecated and will be removed in QGIS 4.0", DeprecationWarning)
|
|
|
|
def createWidget(self):
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
return FileSelectionPanel(self.parameterDefinition().behavior() == QgsProcessingParameterFile.Folder,
|
|
self.parameterDefinition().extension())
|
|
else:
|
|
self.combo = QComboBox()
|
|
self.combo.setEditable(True)
|
|
files = self.dialog.getAvailableValuesOfType(QgsProcessingParameterFile, (QgsProcessingOutputRasterLayer, QgsProcessingOutputVectorLayer, QgsProcessingOutputMapLayer, QgsProcessingOutputFile, QgsProcessingOutputString))
|
|
for f in files:
|
|
self.combo.addItem(self.dialog.resolveValueDescription(f), f)
|
|
if self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional:
|
|
self.combo.setEditText("")
|
|
widget = QWidget()
|
|
layout = QHBoxLayout()
|
|
layout.setMargin(0)
|
|
layout.setContentsMargins(0, 0, 0, 0)
|
|
layout.setSpacing(6)
|
|
layout.addWidget(self.combo)
|
|
btn = QToolButton()
|
|
btn.setText('…')
|
|
btn.setToolTip(self.tr("Select file"))
|
|
btn.clicked.connect(self.selectFile)
|
|
layout.addWidget(btn)
|
|
widget.setLayout(layout)
|
|
return widget
|
|
|
|
def selectFile(self):
|
|
settings = QgsSettings()
|
|
if os.path.isdir(os.path.dirname(self.combo.currentText())):
|
|
path = os.path.dirname(self.combo.currentText())
|
|
if settings.contains('/Processing/LastInputPath'):
|
|
path = settings.value('/Processing/LastInputPath')
|
|
else:
|
|
path = ''
|
|
|
|
if self.parameterDefinition().extension():
|
|
filter = self.tr('{} files').format(
|
|
self.parameterDefinition().extension().upper()) + ' (*.' + self.parameterDefinition().extension() + self.tr(
|
|
');;All files (*.*)')
|
|
else:
|
|
filter = self.tr('All files (*.*)')
|
|
|
|
filename, selected_filter = QFileDialog.getOpenFileName(self.widget,
|
|
self.tr('Select File'), path,
|
|
filter)
|
|
if filename:
|
|
self.combo.setEditText(filename)
|
|
|
|
def setValue(self, value):
|
|
if value is None or value == NULL:
|
|
return
|
|
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
self.widget.setText(value)
|
|
else:
|
|
self.setComboValue(value, combobox=self.combo)
|
|
|
|
def value(self):
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
return self.widget.getValue()
|
|
else:
|
|
return self.comboValue(combobox=self.combo)
|
|
|
|
|
|
class FixedTableWidgetWrapper(WidgetWrapper):
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__(*args, **kwargs)
|
|
"""
|
|
.. deprecated:: 3.4
|
|
Do not use, will be removed in QGIS 4.0
|
|
"""
|
|
|
|
from warnings import warn
|
|
warn("FixedTableWidgetWrapper is deprecated and will be removed in QGIS 4.0", DeprecationWarning)
|
|
|
|
def createWidget(self):
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
return FixedTablePanel(self.parameterDefinition())
|
|
else:
|
|
self.combobox = QComboBox()
|
|
values = self.dialog.getAvailableValuesOfType(QgsProcessingParameterMatrix)
|
|
for v in values:
|
|
self.combobox.addItem(self.dialog.resolveValueDescription(v), v)
|
|
return self.combobox
|
|
|
|
def setValue(self, value):
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
self.widget.setValue(value)
|
|
else:
|
|
self.setComboValue(value, combobox=self.combobox)
|
|
|
|
def value(self):
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
return self.widget.table
|
|
else:
|
|
return self.comboValue(combobox=self.combobox)
|
|
|
|
|
|
class MultipleLayerWidgetWrapper(WidgetWrapper):
|
|
|
|
def _getOptions(self):
|
|
if self.parameterDefinition().layerType() == QgsProcessing.TypeVectorAnyGeometry:
|
|
options = self.dialog.getAvailableValuesOfType((QgsProcessingParameterFeatureSource,
|
|
QgsProcessingParameterVectorLayer,
|
|
QgsProcessingParameterMultipleLayers),
|
|
[QgsProcessingOutputVectorLayer,
|
|
QgsProcessingOutputMapLayer,
|
|
QgsProcessingOutputMultipleLayers])
|
|
elif self.parameterDefinition().layerType() == QgsProcessing.TypeVector:
|
|
options = self.dialog.getAvailableValuesOfType((QgsProcessingParameterFeatureSource,
|
|
QgsProcessingParameterVectorLayer,
|
|
QgsProcessingParameterMultipleLayers),
|
|
[QgsProcessingOutputVectorLayer,
|
|
QgsProcessingOutputMapLayer,
|
|
QgsProcessingOutputMultipleLayers],
|
|
[QgsProcessing.TypeVector])
|
|
elif self.parameterDefinition().layerType() == QgsProcessing.TypeVectorPoint:
|
|
options = self.dialog.getAvailableValuesOfType((QgsProcessingParameterFeatureSource,
|
|
QgsProcessingParameterVectorLayer,
|
|
QgsProcessingParameterMultipleLayers),
|
|
[QgsProcessingOutputVectorLayer,
|
|
QgsProcessingOutputMapLayer,
|
|
QgsProcessingOutputMultipleLayers],
|
|
[QgsProcessing.TypeVectorPoint,
|
|
QgsProcessing.TypeVectorAnyGeometry])
|
|
elif self.parameterDefinition().layerType() == QgsProcessing.TypeVectorLine:
|
|
options = self.dialog.getAvailableValuesOfType((QgsProcessingParameterFeatureSource,
|
|
QgsProcessingParameterVectorLayer,
|
|
QgsProcessingParameterMultipleLayers),
|
|
[QgsProcessingOutputVectorLayer,
|
|
QgsProcessingOutputMapLayer,
|
|
QgsProcessingOutputMultipleLayers],
|
|
[QgsProcessing.TypeVectorLine,
|
|
QgsProcessing.TypeVectorAnyGeometry])
|
|
elif self.parameterDefinition().layerType() == QgsProcessing.TypeVectorPolygon:
|
|
options = self.dialog.getAvailableValuesOfType((QgsProcessingParameterFeatureSource,
|
|
QgsProcessingParameterVectorLayer,
|
|
QgsProcessingParameterMultipleLayers),
|
|
[QgsProcessingOutputVectorLayer,
|
|
QgsProcessingOutputMapLayer,
|
|
QgsProcessingOutputMultipleLayers],
|
|
[QgsProcessing.TypeVectorPolygon,
|
|
QgsProcessing.TypeVectorAnyGeometry])
|
|
elif self.parameterDefinition().layerType() == QgsProcessing.TypeRaster:
|
|
options = self.dialog.getAvailableValuesOfType(
|
|
(QgsProcessingParameterRasterLayer, QgsProcessingParameterMultipleLayers),
|
|
[QgsProcessingOutputRasterLayer,
|
|
QgsProcessingOutputMapLayer,
|
|
QgsProcessingOutputMultipleLayers])
|
|
elif self.parameterDefinition().layerType() == QgsProcessing.TypeMesh:
|
|
options = self.dialog.getAvailableValuesOfType(
|
|
(QgsProcessingParameterMeshLayer, QgsProcessingParameterMultipleLayers),
|
|
[])
|
|
elif self.parameterDefinition().layerType() == QgsProcessing.TypeMapLayer:
|
|
options = self.dialog.getAvailableValuesOfType((QgsProcessingParameterRasterLayer,
|
|
QgsProcessingParameterFeatureSource,
|
|
QgsProcessingParameterVectorLayer,
|
|
QgsProcessingParameterMeshLayer,
|
|
QgsProcessingParameterMultipleLayers),
|
|
[QgsProcessingOutputRasterLayer,
|
|
QgsProcessingOutputVectorLayer,
|
|
QgsProcessingOutputMapLayer,
|
|
QgsProcessingOutputMultipleLayers])
|
|
else:
|
|
options = self.dialog.getAvailableValuesOfType(QgsProcessingParameterFile, QgsProcessingOutputFile)
|
|
options = sorted(options, key=lambda opt: self.dialog.resolveValueDescription(opt))
|
|
return options
|
|
|
|
def createWidget(self):
|
|
if self.dialogType == DIALOG_STANDARD:
|
|
if self.parameterDefinition().layerType() == QgsProcessing.TypeFile:
|
|
return MultipleInputPanel(datatype=QgsProcessing.TypeFile)
|
|
else:
|
|
if self.parameterDefinition().layerType() == QgsProcessing.TypeRaster:
|
|
options = QgsProcessingUtils.compatibleRasterLayers(QgsProject.instance(), False)
|
|
elif self.parameterDefinition().layerType() == QgsProcessing.TypeMesh:
|
|
options = QgsProcessingUtils.compatibleMeshLayers(QgsProject.instance(), False)
|
|
elif self.parameterDefinition().layerType() in (QgsProcessing.TypeVectorAnyGeometry, QgsProcessing.TypeVector):
|
|
options = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance(), [], False)
|
|
elif self.parameterDefinition().layerType() == QgsProcessing.TypeMapLayer:
|
|
options = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance(), [], False)
|
|
options.extend(QgsProcessingUtils.compatibleRasterLayers(QgsProject.instance(), False))
|
|
options.extend(QgsProcessingUtils.compatibleMeshLayers(QgsProject.instance(), False))
|
|
else:
|
|
options = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance(), [self.parameterDefinition().layerType()],
|
|
False)
|
|
opts = [getExtendedLayerName(opt) for opt in options]
|
|
return MultipleInputPanel(opts, datatype=self.parameterDefinition().layerType())
|
|
elif self.dialogType == DIALOG_BATCH:
|
|
widget = BatchInputSelectionPanel(self.parameterDefinition(), self.row, self.col, self.dialog)
|
|
widget.valueChanged.connect(lambda: self.widgetValueHasChanged.emit(self))
|
|
return widget
|
|
else:
|
|
options = [self.dialog.resolveValueDescription(opt) for opt in self._getOptions()]
|
|
return MultipleInputPanel(options, datatype=self.parameterDefinition().layerType())
|
|
|
|
def refresh(self):
|
|
if self.parameterDefinition().layerType() != QgsProcessing.TypeFile:
|
|
if self.parameterDefinition().layerType() == QgsProcessing.TypeRaster:
|
|
options = QgsProcessingUtils.compatibleRasterLayers(QgsProject.instance(), False)
|
|
elif self.parameterDefinition().layerType() == QgsProcessing.TypeMesh:
|
|
options = QgsProcessingUtils.compatibleMeshLayers(QgsProject.instance(), False)
|
|
elif self.parameterDefinition().layerType() in (QgsProcessing.TypeVectorAnyGeometry, QgsProcessing.TypeVector):
|
|
options = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance(), [], False)
|
|
elif self.parameterDefinition().layerType() == QgsProcessing.TypeMapLayer:
|
|
options = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance(), [], False)
|
|
options.extend(QgsProcessingUtils.compatibleRasterLayers(QgsProject.instance(), False))
|
|
options.extend(QgsProcessingUtils.compatibleMeshLayers(QgsProject.instance(), False))
|
|
else:
|
|
options = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance(), [self.parameterDefinition().layerType()],
|
|
False)
|
|
opts = [getExtendedLayerName(opt) for opt in options]
|
|
self.widget.updateForOptions(opts)
|
|
|
|
def setValue(self, value):
|
|
if value is None or value == NULL:
|
|
return
|
|
|
|
if self.dialogType == DIALOG_STANDARD:
|
|
pass # TODO
|
|
elif self.dialogType == DIALOG_BATCH:
|
|
return self.widget.setValue(value)
|
|
else:
|
|
options = self._getOptions()
|
|
|
|
if not isinstance(value, (tuple, list)):
|
|
value = [value]
|
|
|
|
selected_options = []
|
|
for sel in value:
|
|
if sel in options:
|
|
selected_options.append(options.index(sel))
|
|
elif isinstance(sel, QgsProcessingModelChildParameterSource):
|
|
selected_options.append(sel.staticValue())
|
|
else:
|
|
selected_options.append(sel)
|
|
|
|
self.widget.setSelectedItems(selected_options)
|
|
|
|
def value(self):
|
|
if self.dialogType == DIALOG_STANDARD:
|
|
if self.parameterDefinition().layerType() == QgsProcessing.TypeFile:
|
|
return self.widget.selectedoptions
|
|
else:
|
|
if self.parameterDefinition().layerType() == QgsProcessing.TypeRaster:
|
|
options = QgsProcessingUtils.compatibleRasterLayers(QgsProject.instance(), False)
|
|
elif self.parameterDefinition().layerType() == QgsProcessing.TypeMesh:
|
|
options = QgsProcessingUtils.compatibleMeshLayers(QgsProject.instance(), False)
|
|
elif self.parameterDefinition().layerType() in (QgsProcessing.TypeVectorAnyGeometry, QgsProcessing.TypeVector):
|
|
options = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance(), [], False)
|
|
elif self.parameterDefinition().layerType() == QgsProcessing.TypeMapLayer:
|
|
options = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance(), [], False)
|
|
options.extend(QgsProcessingUtils.compatibleRasterLayers(QgsProject.instance(), False))
|
|
options.extend(QgsProcessingUtils.compatibleMeshLayers(QgsProject.instance(), False))
|
|
else:
|
|
options = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance(), [self.parameterDefinition().layerType()],
|
|
False)
|
|
return [options[i] if isinstance(i, int) else i for i in self.widget.selectedoptions]
|
|
elif self.dialogType == DIALOG_BATCH:
|
|
return self.widget.value()
|
|
else:
|
|
options = self._getOptions()
|
|
values = [options[i] if isinstance(i, int) else QgsProcessingModelChildParameterSource.fromStaticValue(i)
|
|
for i in self.widget.selectedoptions]
|
|
if len(values) == 0 and not self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional:
|
|
raise InvalidParameterValue()
|
|
return values
|
|
|
|
|
|
class NumberWidgetWrapper(WidgetWrapper):
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__(*args, **kwargs)
|
|
"""
|
|
.. deprecated:: 3.4
|
|
Do not use, will be removed in QGIS 4.0
|
|
"""
|
|
|
|
from warnings import warn
|
|
warn("NumberWidgetWrapper is deprecated and will be removed in QGIS 4.0", DeprecationWarning)
|
|
|
|
def createWidget(self):
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
widget = NumberInputPanel(self.parameterDefinition())
|
|
widget.hasChanged.connect(lambda: self.widgetValueHasChanged.emit(self))
|
|
return widget
|
|
else:
|
|
return ModelerNumberInputPanel(self.parameterDefinition(), self.dialog)
|
|
|
|
def setValue(self, value):
|
|
if value is None or value == NULL:
|
|
return
|
|
|
|
self.widget.setValue(value)
|
|
|
|
def value(self):
|
|
return self.widget.getValue()
|
|
|
|
def postInitialize(self, wrappers):
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH) and self.parameterDefinition().isDynamic():
|
|
for wrapper in wrappers:
|
|
if wrapper.parameterDefinition().name() == self.parameterDefinition().dynamicLayerParameterName():
|
|
self.widget.setDynamicLayer(wrapper.parameterValue())
|
|
wrapper.widgetValueHasChanged.connect(self.parentLayerChanged)
|
|
break
|
|
|
|
def parentLayerChanged(self, wrapper):
|
|
self.widget.setDynamicLayer(wrapper.parameterValue())
|
|
|
|
|
|
class DistanceWidgetWrapper(WidgetWrapper):
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__(*args, **kwargs)
|
|
"""
|
|
.. deprecated:: 3.4
|
|
Do not use, will be removed in QGIS 4.0
|
|
"""
|
|
|
|
from warnings import warn
|
|
warn("DistanceWidgetWrapper is deprecated and will be removed in QGIS 4.0", DeprecationWarning)
|
|
|
|
def createWidget(self):
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
widget = DistanceInputPanel(self.parameterDefinition())
|
|
widget.hasChanged.connect(lambda: self.widgetValueHasChanged.emit(self))
|
|
return widget
|
|
else:
|
|
return ModelerNumberInputPanel(self.parameterDefinition(), self.dialog)
|
|
|
|
def setValue(self, value):
|
|
if value is None or value == NULL:
|
|
return
|
|
|
|
self.widget.setValue(value)
|
|
|
|
def value(self):
|
|
return self.widget.getValue()
|
|
|
|
def postInitialize(self, wrappers):
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
for wrapper in wrappers:
|
|
if wrapper.parameterDefinition().name() == self.parameterDefinition().dynamicLayerParameterName():
|
|
self.widget.setDynamicLayer(wrapper.parameterValue())
|
|
wrapper.widgetValueHasChanged.connect(self.dynamicLayerChanged)
|
|
if wrapper.parameterDefinition().name() == self.parameterDefinition().parentParameterName():
|
|
self.widget.setUnitParameterValue(wrapper.parameterValue())
|
|
wrapper.widgetValueHasChanged.connect(self.parentParameterChanged)
|
|
|
|
def dynamicLayerChanged(self, wrapper):
|
|
self.widget.setDynamicLayer(wrapper.parameterValue())
|
|
|
|
def parentParameterChanged(self, wrapper):
|
|
self.widget.setUnitParameterValue(wrapper.parameterValue())
|
|
|
|
|
|
class RangeWidgetWrapper(WidgetWrapper):
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__(*args, **kwargs)
|
|
"""
|
|
.. deprecated:: 3.4
|
|
Do not use, will be removed in QGIS 4.0
|
|
"""
|
|
|
|
from warnings import warn
|
|
warn("RangeWidgetWrapper is deprecated and will be removed in QGIS 4.0", DeprecationWarning)
|
|
|
|
def createWidget(self):
|
|
widget = RangePanel(self.parameterDefinition())
|
|
widget.hasChanged.connect(lambda: self.widgetValueHasChanged.emit(self))
|
|
return widget
|
|
|
|
def setValue(self, value):
|
|
if value is None or value == NULL:
|
|
return
|
|
|
|
self.widget.setValue(value)
|
|
|
|
def value(self):
|
|
return self.widget.getValue()
|
|
|
|
|
|
class MapLayerWidgetWrapper(WidgetWrapper):
|
|
NOT_SELECTED = '[Not selected]'
|
|
|
|
def __init__(self, param, dialog, row=0, col=0, **kwargs):
|
|
"""
|
|
.. deprecated:: 3.14
|
|
Do not use, will be removed in QGIS 4.0
|
|
"""
|
|
|
|
from warnings import warn
|
|
warn("MapLayerWidgetWrapper is deprecated and will be removed in QGIS 4.0", DeprecationWarning)
|
|
|
|
super().__init__(param, dialog, row, col, **kwargs)
|
|
|
|
def createWidget(self):
|
|
if self.dialogType == DIALOG_STANDARD:
|
|
self.combo = QgsProcessingMapLayerComboBox(self.parameterDefinition())
|
|
self.context = dataobjects.createContext()
|
|
|
|
try:
|
|
if self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional:
|
|
self.combo.setValue(self.parameterDefinition().defaultValue(), self.context)
|
|
else:
|
|
if self.parameterDefinition().defaultValue():
|
|
self.combo.setValue(self.parameterDefinition().defaultValue(), self.context)
|
|
else:
|
|
self.combo.setLayer(iface.activeLayer())
|
|
except:
|
|
pass
|
|
|
|
self.combo.valueChanged.connect(lambda: self.widgetValueHasChanged.emit(self))
|
|
return self.combo
|
|
elif self.dialogType == DIALOG_BATCH:
|
|
widget = BatchInputSelectionPanel(self.parameterDefinition(), self.row, self.col, self.dialog)
|
|
widget.valueChanged.connect(lambda: self.widgetValueHasChanged.emit(self))
|
|
return widget
|
|
else:
|
|
self.combo = QComboBox()
|
|
layers = self.getAvailableLayers()
|
|
self.combo.setEditable(True)
|
|
if self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional:
|
|
self.combo.addItem(self.NOT_SELECTED, self.NOT_SET_OPTION)
|
|
for layer in layers:
|
|
self.combo.addItem(self.dialog.resolveValueDescription(layer), layer)
|
|
|
|
widget = QWidget()
|
|
layout = QHBoxLayout()
|
|
layout.setMargin(0)
|
|
layout.setContentsMargins(0, 0, 0, 0)
|
|
layout.setSpacing(6)
|
|
layout.addWidget(self.combo)
|
|
btn = QToolButton()
|
|
btn.setText('…')
|
|
btn.setToolTip(self.tr("Select file"))
|
|
btn.clicked.connect(self.selectFile)
|
|
layout.addWidget(btn)
|
|
widget.setLayout(layout)
|
|
return widget
|
|
|
|
def getAvailableLayers(self):
|
|
return self.dialog.getAvailableValuesOfType(
|
|
[QgsProcessingParameterRasterLayer, QgsProcessingParameterMeshLayer, QgsProcessingParameterVectorLayer, QgsProcessingParameterMapLayer, QgsProcessingParameterString],
|
|
[QgsProcessingOutputRasterLayer, QgsProcessingOutputVectorLayer, QgsProcessingOutputMapLayer, QgsProcessingOutputString, QgsProcessingOutputFile])
|
|
|
|
def selectFile(self):
|
|
filename, selected_filter = self.getFileName(self.combo.currentText())
|
|
if filename:
|
|
if isinstance(self.combo, QgsProcessingMapLayerComboBox):
|
|
self.combo.setValue(filename, self.context)
|
|
elif isinstance(self.combo, QgsMapLayerComboBox):
|
|
items = self.combo.additionalItems()
|
|
items.append(filename)
|
|
self.combo.setAdditionalItems(items)
|
|
self.combo.setCurrentIndex(self.combo.findText(filename))
|
|
else:
|
|
self.combo.setEditText(filename)
|
|
self.widgetValueHasChanged.emit(self)
|
|
|
|
def setValue(self, value):
|
|
if value is None or value == NULL:
|
|
return
|
|
|
|
if self.dialogType == DIALOG_STANDARD:
|
|
if isinstance(value, str):
|
|
layer = QgsProject.instance().mapLayer(value)
|
|
if layer is not None:
|
|
value = layer
|
|
self.combo.setValue(value, self.context)
|
|
elif self.dialogType == DIALOG_BATCH:
|
|
self.widget.setValue(value)
|
|
else:
|
|
self.setComboValue(value, combobox=self.combo)
|
|
self.widgetValueHasChanged.emit(self)
|
|
|
|
def value(self):
|
|
if self.dialogType == DIALOG_STANDARD:
|
|
return self.combo.value()
|
|
elif self.dialogType == DIALOG_BATCH:
|
|
return self.widget.getValue()
|
|
else:
|
|
def validator(v):
|
|
if not bool(v):
|
|
return self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional
|
|
else:
|
|
return os.path.exists(v)
|
|
|
|
return self.comboValue(validator, combobox=self.combo)
|
|
|
|
|
|
class RasterWidgetWrapper(MapLayerWidgetWrapper):
|
|
|
|
def __init__(self, param, dialog, row=0, col=0, **kwargs):
|
|
"""
|
|
.. deprecated:: 3.14
|
|
Do not use, will be removed in QGIS 4.0
|
|
"""
|
|
|
|
from warnings import warn
|
|
warn("RasterWidgetWrapper is deprecated and will be removed in QGIS 4.0", DeprecationWarning)
|
|
|
|
super().__init__(param, dialog, row, col, **kwargs)
|
|
|
|
def getAvailableLayers(self):
|
|
return self.dialog.getAvailableValuesOfType((QgsProcessingParameterRasterLayer, QgsProcessingParameterString),
|
|
(QgsProcessingOutputRasterLayer, QgsProcessingOutputFile, QgsProcessingOutputString))
|
|
|
|
def selectFile(self):
|
|
filename, selected_filter = self.getFileName(self.combo.currentText())
|
|
if filename:
|
|
filename = dataobjects.getRasterSublayer(filename, self.parameterDefinition())
|
|
if isinstance(self.combo, QgsProcessingMapLayerComboBox):
|
|
self.combo.setValue(filename, self.context)
|
|
elif isinstance(self.combo, QgsMapLayerComboBox):
|
|
items = self.combo.additionalItems()
|
|
items.append(filename)
|
|
self.combo.setAdditionalItems(items)
|
|
self.combo.setCurrentIndex(self.combo.findText(filename))
|
|
else:
|
|
self.combo.setEditText(filename)
|
|
self.widgetValueHasChanged.emit(self)
|
|
|
|
|
|
class MeshWidgetWrapper(MapLayerWidgetWrapper):
|
|
|
|
def __init__(self, param, dialog, row=0, col=0, **kwargs):
|
|
"""
|
|
.. deprecated:: 3.14
|
|
Do not use, will be removed in QGIS 4.0
|
|
"""
|
|
|
|
from warnings import warn
|
|
warn("MeshWidgetWrapper is deprecated and will be removed in QGIS 4.0", DeprecationWarning)
|
|
|
|
super().__init__(param, dialog, row, col, **kwargs)
|
|
|
|
def getAvailableLayers(self):
|
|
return self.dialog.getAvailableValuesOfType((QgsProcessingParameterMeshLayer, QgsProcessingParameterString),
|
|
())
|
|
|
|
def selectFile(self):
|
|
filename, selected_filter = self.getFileName(self.combo.currentText())
|
|
if filename:
|
|
if isinstance(self.combo, QgsProcessingMapLayerComboBox):
|
|
self.combo.setValue(filename, self.context)
|
|
elif isinstance(self.combo, QgsMapLayerComboBox):
|
|
items = self.combo.additionalItems()
|
|
items.append(filename)
|
|
self.combo.setAdditionalItems(items)
|
|
self.combo.setCurrentIndex(self.combo.findText(filename))
|
|
else:
|
|
self.combo.setEditText(filename)
|
|
self.widgetValueHasChanged.emit(self)
|
|
|
|
|
|
class EnumWidgetWrapper(WidgetWrapper):
|
|
NOT_SELECTED = '[Not selected]'
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__(*args, **kwargs)
|
|
"""
|
|
.. deprecated:: 3.4
|
|
Do not use, will be removed in QGIS 4.0
|
|
"""
|
|
|
|
from warnings import warn
|
|
warn("EnumWidgetWrapper is deprecated and will be removed in QGIS 4.0", DeprecationWarning)
|
|
|
|
def createWidget(self, useCheckBoxes=False, columns=1):
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
self._useCheckBoxes = useCheckBoxes
|
|
if self._useCheckBoxes and not self.dialogType == DIALOG_BATCH:
|
|
return CheckboxesPanel(options=self.parameterDefinition().options(),
|
|
multiple=self.parameterDefinition().allowMultiple(),
|
|
columns=columns)
|
|
if self.parameterDefinition().allowMultiple():
|
|
return MultipleInputPanel(options=self.parameterDefinition().options())
|
|
else:
|
|
widget = QComboBox()
|
|
for i, option in enumerate(self.parameterDefinition().options()):
|
|
widget.addItem(option, i)
|
|
if self.parameterDefinition().defaultValue():
|
|
widget.setCurrentIndex(widget.findData(self.parameterDefinition().defaultValue()))
|
|
return widget
|
|
else:
|
|
self.combobox = QComboBox()
|
|
if self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional:
|
|
self.combobox.addItem(self.NOT_SELECTED, self.NOT_SET_OPTION)
|
|
for i, option in enumerate(self.parameterDefinition().options()):
|
|
self.combobox.addItem(option, i)
|
|
values = self.dialog.getAvailableValuesOfType(QgsProcessingParameterEnum)
|
|
for v in values:
|
|
self.combobox.addItem(self.dialog.resolveValueDescription(v), v)
|
|
return self.combobox
|
|
|
|
def setValue(self, value):
|
|
if value is None or value == NULL:
|
|
return
|
|
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
if self._useCheckBoxes and not self.dialogType == DIALOG_BATCH:
|
|
self.widget.setValue(value)
|
|
return
|
|
if self.parameterDefinition().allowMultiple():
|
|
self.widget.setSelectedItems(value)
|
|
else:
|
|
self.widget.setCurrentIndex(self.widget.findData(value))
|
|
else:
|
|
self.setComboValue(value, combobox=self.combobox)
|
|
|
|
def value(self):
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
if self._useCheckBoxes and not self.dialogType == DIALOG_BATCH:
|
|
return self.widget.value()
|
|
if self.parameterDefinition().allowMultiple():
|
|
return self.widget.selectedoptions
|
|
else:
|
|
return self.widget.currentData()
|
|
else:
|
|
return self.comboValue(combobox=self.combobox)
|
|
|
|
|
|
class FeatureSourceWidgetWrapper(WidgetWrapper):
|
|
NOT_SELECTED = '[Not selected]'
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
"""
|
|
.. deprecated:: 3.4
|
|
Do not use, will be removed in QGIS 4.0
|
|
"""
|
|
|
|
from warnings import warn
|
|
warn("FeatureSourceWidgetWrapper is deprecated and will be removed in QGIS 4.0", DeprecationWarning)
|
|
self.map_layer_combo = None
|
|
super().__init__(*args, **kwargs)
|
|
|
|
def createWidget(self):
|
|
if self.dialogType == DIALOG_STANDARD:
|
|
self.map_layer_combo = QgsProcessingMapLayerComboBox(self.parameterDefinition())
|
|
self.context = dataobjects.createContext()
|
|
|
|
try:
|
|
if iface.activeLayer().type() == QgsMapLayerType.VectorLayer:
|
|
self.map_layer_combo.setLayer(iface.activeLayer())
|
|
except:
|
|
pass
|
|
|
|
self.map_layer_combo.valueChanged.connect(lambda: self.widgetValueHasChanged.emit(self))
|
|
|
|
return self.map_layer_combo
|
|
|
|
elif self.dialogType == DIALOG_BATCH:
|
|
widget = BatchInputSelectionPanel(self.parameterDefinition(), self.row, self.col, self.dialog)
|
|
widget.valueChanged.connect(lambda: self.widgetValueHasChanged.emit(self))
|
|
return widget
|
|
else:
|
|
self.combo = QComboBox()
|
|
layers = self.dialog.getAvailableValuesOfType(
|
|
(QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer),
|
|
(QgsProcessingOutputVectorLayer, QgsProcessingOutputMapLayer, QgsProcessingOutputString, QgsProcessingOutputFile), self.parameterDefinition().dataTypes())
|
|
self.combo.setEditable(True)
|
|
for layer in layers:
|
|
self.combo.addItem(self.dialog.resolveValueDescription(layer), layer)
|
|
if self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional:
|
|
self.combo.setEditText("")
|
|
|
|
widget = QWidget()
|
|
layout = QHBoxLayout()
|
|
layout.setMargin(0)
|
|
layout.setContentsMargins(0, 0, 0, 0)
|
|
layout.setSpacing(2)
|
|
layout.addWidget(self.combo)
|
|
btn = QToolButton()
|
|
btn.setText('…')
|
|
btn.setToolTip(self.tr("Select file"))
|
|
btn.clicked.connect(self.selectFile)
|
|
layout.addWidget(btn)
|
|
widget.setLayout(layout)
|
|
return widget
|
|
|
|
def setWidgetContext(self, context):
|
|
if self.map_layer_combo:
|
|
self.map_layer_combo.setWidgetContext(context)
|
|
super().setWidgetContext(context)
|
|
|
|
def selectFile(self):
|
|
filename, selected_filter = self.getFileName(self.combo.currentText())
|
|
if filename:
|
|
if isinstance(self.combo, QgsProcessingMapLayerComboBox):
|
|
self.combo.setValue(filename, self.context)
|
|
elif isinstance(self.combo, QgsMapLayerComboBox):
|
|
items = self.combo.additionalItems()
|
|
items.append(filename)
|
|
self.combo.setAdditionalItems(items)
|
|
self.combo.setCurrentIndex(self.combo.findText(filename))
|
|
else:
|
|
self.combo.setEditText(filename)
|
|
self.widgetValueHasChanged.emit(self)
|
|
|
|
def setValue(self, value):
|
|
if value is None or value == NULL:
|
|
return
|
|
|
|
if self.dialogType == DIALOG_STANDARD:
|
|
if isinstance(value, str):
|
|
layer = QgsProject.instance().mapLayer(value)
|
|
if layer is not None:
|
|
value = layer
|
|
self.map_layer_combo.setValue(value, self.context)
|
|
elif self.dialogType == DIALOG_BATCH:
|
|
self.widget.setValue(value)
|
|
else:
|
|
self.setComboValue(value, combobox=self.combo)
|
|
self.widgetValueHasChanged.emit(self)
|
|
|
|
def value(self):
|
|
if self.dialogType == DIALOG_STANDARD:
|
|
return self.map_layer_combo.value()
|
|
elif self.dialogType == DIALOG_BATCH:
|
|
return self.widget.getValue()
|
|
else:
|
|
def validator(v):
|
|
if not bool(v):
|
|
return self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional
|
|
else:
|
|
return os.path.exists(v)
|
|
|
|
if self.combo.currentText():
|
|
return self.comboValue(validator, combobox=self.combo)
|
|
else:
|
|
return None
|
|
|
|
|
|
class StringWidgetWrapper(WidgetWrapper):
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__(*args, **kwargs)
|
|
"""
|
|
.. deprecated:: 3.4
|
|
Do not use, will be removed in QGIS 4.0
|
|
"""
|
|
|
|
from warnings import warn
|
|
warn("StringWidgetWrapper is deprecated and will be removed in QGIS 4.0", DeprecationWarning)
|
|
|
|
def createWidget(self):
|
|
if self.dialogType == DIALOG_STANDARD:
|
|
if self.parameterDefinition().multiLine():
|
|
widget = QPlainTextEdit()
|
|
else:
|
|
self._lineedit = QLineEdit()
|
|
widget = self._lineedit
|
|
|
|
elif self.dialogType == DIALOG_BATCH:
|
|
widget = QLineEdit()
|
|
|
|
else:
|
|
# strings, numbers, files and table fields are all allowed input types
|
|
strings = self.dialog.getAvailableValuesOfType(
|
|
[QgsProcessingParameterString, QgsProcessingParameterNumber, QgsProcessingParameterDistance, QgsProcessingParameterFile,
|
|
QgsProcessingParameterField, QgsProcessingParameterExpression],
|
|
[QgsProcessingOutputString, QgsProcessingOutputFile])
|
|
options = [(self.dialog.resolveValueDescription(s), s) for s in strings]
|
|
if self.parameterDefinition().multiLine():
|
|
widget = MultilineTextPanel(options)
|
|
else:
|
|
widget = QComboBox()
|
|
widget.setEditable(True)
|
|
for desc, val in options:
|
|
widget.addItem(desc, val)
|
|
return widget
|
|
|
|
def showExpressionsBuilder(self):
|
|
context = dataobjects.createExpressionContext()
|
|
value = self.value()
|
|
if not isinstance(value, str):
|
|
value = ''
|
|
dlg = QgsExpressionBuilderDialog(None, value, self.widget, 'generic', context)
|
|
dlg.setWindowTitle(self.tr('Expression based input'))
|
|
if dlg.exec_() == QDialog.Accepted:
|
|
exp = QgsExpression(dlg.expressionText())
|
|
if not exp.hasParserError():
|
|
if self.dialogType == DIALOG_STANDARD:
|
|
self.setValue(str(exp.evaluate(context)))
|
|
else:
|
|
self.setValue(dlg.expressionText())
|
|
|
|
def setValue(self, value):
|
|
if value is None or value == NULL:
|
|
return
|
|
|
|
if self.dialogType == DIALOG_STANDARD:
|
|
if self.parameterDefinition().multiLine():
|
|
self.widget.setPlainText(value)
|
|
else:
|
|
self._lineedit.setText(value)
|
|
|
|
elif self.dialogType == DIALOG_BATCH:
|
|
self.widget.setText(value)
|
|
|
|
else:
|
|
if self.parameterDefinition().multiLine():
|
|
self.widget.setValue(value)
|
|
else:
|
|
self.setComboValue(value)
|
|
|
|
def value(self):
|
|
if self.dialogType == DIALOG_STANDARD:
|
|
if self.parameterDefinition().multiLine():
|
|
text = self.widget.toPlainText()
|
|
else:
|
|
text = self._lineedit.text()
|
|
return text
|
|
|
|
elif self.dialogType == DIALOG_BATCH:
|
|
return self.widget.text()
|
|
|
|
else:
|
|
if self.parameterDefinition().multiLine():
|
|
value = self.widget.getValue()
|
|
option = self.widget.getOption()
|
|
if option == MultilineTextPanel.USE_TEXT:
|
|
if value == '':
|
|
if self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional:
|
|
return None
|
|
else:
|
|
raise InvalidParameterValue()
|
|
else:
|
|
return value
|
|
else:
|
|
return value
|
|
else:
|
|
def validator(v):
|
|
return bool(v) or self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional
|
|
|
|
return self.comboValue(validator)
|
|
|
|
|
|
class ExpressionWidgetWrapper(WidgetWrapper):
|
|
|
|
def __init__(self, param, dialog, row=0, col=0, **kwargs):
|
|
"""
|
|
.. deprecated:: 3.4
|
|
Do not use, will be removed in QGIS 4.0
|
|
"""
|
|
|
|
from warnings import warn
|
|
warn("StringWidgetWrapper is deprecated and will be removed in QGIS 4.0", DeprecationWarning)
|
|
|
|
super().__init__(param, dialog, row, col, **kwargs)
|
|
self.context = dataobjects.createContext()
|
|
|
|
def createWidget(self):
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
if self.parameterDefinition().parentLayerParameterName():
|
|
widget = QgsFieldExpressionWidget()
|
|
else:
|
|
widget = QgsExpressionLineEdit()
|
|
if self.parameterDefinition().defaultValue():
|
|
widget.setExpression(self.parameterDefinition().defaultValue())
|
|
else:
|
|
strings = self.dialog.getAvailableValuesOfType(
|
|
[QgsProcessingParameterExpression, QgsProcessingParameterString, QgsProcessingParameterNumber, QgsProcessingParameterDistance],
|
|
(QgsProcessingOutputString, QgsProcessingOutputNumber))
|
|
options = [(self.dialog.resolveValueDescription(s), s) for s in strings]
|
|
widget = QComboBox()
|
|
widget.setEditable(True)
|
|
for desc, val in options:
|
|
widget.addItem(desc, val)
|
|
widget.setEditText(self.parameterDefinition().defaultValue() or "")
|
|
return widget
|
|
|
|
def postInitialize(self, wrappers):
|
|
for wrapper in wrappers:
|
|
if wrapper.parameterDefinition().name() == self.parameterDefinition().parentLayerParameterName():
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
self.setLayer(wrapper.parameterValue())
|
|
wrapper.widgetValueHasChanged.connect(self.parentLayerChanged)
|
|
break
|
|
|
|
def parentLayerChanged(self, wrapper):
|
|
self.setLayer(wrapper.parameterValue())
|
|
|
|
def setLayer(self, layer):
|
|
if isinstance(layer, QgsProcessingFeatureSourceDefinition):
|
|
layer, ok = layer.source.valueAsString(self.context.expressionContext())
|
|
if isinstance(layer, str):
|
|
layer = QgsProcessingUtils.mapLayerFromString(layer, self.context)
|
|
self.widget.setLayer(layer)
|
|
|
|
def setValue(self, value):
|
|
if value is None or value == NULL:
|
|
return
|
|
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
self.widget.setExpression(value)
|
|
else:
|
|
self.setComboValue(value)
|
|
|
|
def value(self):
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
try:
|
|
return self.widget.asExpression()
|
|
except:
|
|
return self.widget.expression()
|
|
else:
|
|
def validator(v):
|
|
return bool(v) or self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional
|
|
|
|
return self.comboValue(validator)
|
|
|
|
|
|
class VectorLayerWidgetWrapper(WidgetWrapper):
|
|
NOT_SELECTED = '[Not selected]'
|
|
|
|
def __init__(self, param, dialog, row=0, col=0, **kwargs):
|
|
"""
|
|
.. deprecated:: 3.14
|
|
Do not use, will be removed in QGIS 4.0
|
|
"""
|
|
|
|
from warnings import warn
|
|
warn("VectorLayerWidgetWrapper is deprecated and will be removed in QGIS 4.0", DeprecationWarning)
|
|
|
|
super().__init__(param, dialog, row, col, **kwargs)
|
|
|
|
def createWidget(self):
|
|
if self.dialogType == DIALOG_STANDARD:
|
|
self.combo = QgsProcessingMapLayerComboBox(self.parameterDefinition())
|
|
self.context = dataobjects.createContext()
|
|
|
|
try:
|
|
if iface.activeLayer().type() == QgsMapLayerType.VectorLayer:
|
|
self.combo.setLayer(iface.activeLayer())
|
|
except:
|
|
pass
|
|
|
|
self.combo.valueChanged.connect(lambda: self.widgetValueHasChanged.emit(self))
|
|
return self.combo
|
|
elif self.dialogType == DIALOG_BATCH:
|
|
widget = BatchInputSelectionPanel(self.parameterDefinition(), self.row, self.col, self.dialog)
|
|
widget.valueChanged.connect(lambda: self.widgetValueHasChanged.emit(self))
|
|
return widget
|
|
else:
|
|
self.combo = QComboBox()
|
|
self.combo.setEditable(True)
|
|
tables = self.dialog.getAvailableValuesOfType((QgsProcessingParameterVectorLayer, QgsProcessingParameterString),
|
|
(QgsProcessingOutputVectorLayer, QgsProcessingOutputMapLayer, QgsProcessingOutputFile, QgsProcessingOutputString))
|
|
if self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional:
|
|
self.combo.addItem(self.NOT_SELECTED, self.NOT_SET_OPTION)
|
|
for table in tables:
|
|
self.combo.addItem(self.dialog.resolveValueDescription(table), table)
|
|
|
|
widget = QWidget()
|
|
layout = QHBoxLayout()
|
|
layout.setMargin(0)
|
|
layout.setContentsMargins(0, 0, 0, 0)
|
|
layout.setSpacing(6)
|
|
layout.addWidget(self.combo)
|
|
btn = QToolButton()
|
|
btn.setText('…')
|
|
btn.setToolTip(self.tr("Select file"))
|
|
btn.clicked.connect(self.selectFile)
|
|
layout.addWidget(btn)
|
|
widget.setLayout(layout)
|
|
return widget
|
|
|
|
def selectFile(self):
|
|
filename, selected_filter = self.getFileName(self.combo.currentText())
|
|
if filename:
|
|
filename = dataobjects.getRasterSublayer(filename, self.parameterDefinition())
|
|
if isinstance(self.combo, QgsProcessingMapLayerComboBox):
|
|
self.combo.setValue(filename, self.context)
|
|
elif isinstance(self.combo, QgsMapLayerComboBox):
|
|
items = self.combo.additionalItems()
|
|
items.append(filename)
|
|
self.combo.setAdditionalItems(items)
|
|
self.combo.setCurrentIndex(self.combo.findText(filename))
|
|
else:
|
|
self.combo.setEditText(filename)
|
|
self.widgetValueHasChanged.emit(self)
|
|
|
|
def setValue(self, value):
|
|
if value is None or value == NULL:
|
|
return
|
|
|
|
if self.dialogType == DIALOG_STANDARD:
|
|
if isinstance(value, str):
|
|
layer = QgsProject.instance().mapLayer(value)
|
|
if layer is not None:
|
|
value = layer
|
|
self.combo.setValue(value, self.context)
|
|
elif self.dialogType == DIALOG_BATCH:
|
|
return self.widget.setValue(value)
|
|
else:
|
|
self.setComboValue(value, combobox=self.combo)
|
|
self.widgetValueHasChanged.emit(self)
|
|
|
|
def value(self):
|
|
if self.dialogType == DIALOG_STANDARD:
|
|
return self.combo.value()
|
|
elif self.dialogType == DIALOG_BATCH:
|
|
return self.widget.getValue()
|
|
else:
|
|
def validator(v):
|
|
return bool(v) or self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional
|
|
|
|
return self.comboValue(validator, combobox=self.combo)
|
|
|
|
|
|
class TableFieldWidgetWrapper(WidgetWrapper):
|
|
NOT_SET = '[Not set]'
|
|
|
|
def __init__(self, param, dialog, row=0, col=0, **kwargs):
|
|
super().__init__(param, dialog, row, col, **kwargs)
|
|
"""
|
|
.. deprecated:: 3.12
|
|
Do not use, will be removed in QGIS 4.0
|
|
"""
|
|
|
|
from warnings import warn
|
|
warn("TableFieldWidgetWrapper is deprecated and will be removed in QGIS 4.0", DeprecationWarning)
|
|
|
|
self.context = dataobjects.createContext()
|
|
|
|
def createWidget(self):
|
|
self._layer = None
|
|
self.parent_file_based_layers = {}
|
|
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
if self.parameterDefinition().allowMultiple():
|
|
return MultipleInputPanel(options=[])
|
|
else:
|
|
widget = QgsFieldComboBox()
|
|
widget.setAllowEmptyFieldName(self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional)
|
|
widget.fieldChanged.connect(lambda: self.widgetValueHasChanged.emit(self))
|
|
if self.parameterDefinition().dataType() == QgsProcessingParameterField.Numeric:
|
|
widget.setFilters(QgsFieldProxyModel.Numeric)
|
|
elif self.parameterDefinition().dataType() == QgsProcessingParameterField.String:
|
|
widget.setFilters(QgsFieldProxyModel.String)
|
|
elif self.parameterDefinition().dataType() == QgsProcessingParameterField.DateTime:
|
|
widget.setFilters(QgsFieldProxyModel.Date | QgsFieldProxyModel.Time)
|
|
return widget
|
|
else:
|
|
widget = QComboBox()
|
|
widget.setEditable(True)
|
|
fields = self.dialog.getAvailableValuesOfType([QgsProcessingParameterField, QgsProcessingParameterString],
|
|
[QgsProcessingOutputString])
|
|
if self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional:
|
|
widget.addItem(self.NOT_SET, self.NOT_SET_OPTION)
|
|
for f in fields:
|
|
widget.addItem(self.dialog.resolveValueDescription(f), f)
|
|
widget.setToolTip(
|
|
self.tr(
|
|
'Input parameter, or name of field (separate field names with ; for multiple field parameters)'))
|
|
return widget
|
|
|
|
def postInitialize(self, wrappers):
|
|
for wrapper in wrappers:
|
|
if wrapper.parameterDefinition().name() == self.parameterDefinition().parentLayerParameterName():
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
self.setLayer(wrapper.parameterValue())
|
|
wrapper.widgetValueHasChanged.connect(self.parentValueChanged)
|
|
break
|
|
|
|
def parentValueChanged(self, wrapper):
|
|
value = wrapper.parameterValue()
|
|
if isinstance(value, str) and value in self.parent_file_based_layers:
|
|
self.setLayer(self.parent_file_based_layers[value])
|
|
else:
|
|
self.setLayer(value)
|
|
if isinstance(value, str):
|
|
self.parent_file_based_layers[value] = self._layer
|
|
|
|
def setLayer(self, layer):
|
|
if isinstance(layer, QgsProcessingFeatureSourceDefinition):
|
|
layer, ok = layer.source.valueAsString(self.context.expressionContext())
|
|
if isinstance(layer, str):
|
|
if not layer: # empty string
|
|
layer = None
|
|
else:
|
|
layer = QgsProcessingUtils.mapLayerFromString(layer, self.context)
|
|
if not isinstance(layer, QgsVectorLayer) or not layer.isValid():
|
|
self.dialog.messageBar().clearWidgets()
|
|
self.dialog.messageBar().pushMessage("", self.tr("Could not load selected layer/table. Dependent field could not be populated"),
|
|
level=Qgis.Warning, duration=5)
|
|
return
|
|
|
|
self._layer = layer
|
|
|
|
self.refreshItems()
|
|
|
|
if self.parameterDefinition().allowMultiple() and self.parameterDefinition().defaultToAllFields():
|
|
self.setValue(self.getFields())
|
|
|
|
def refreshItems(self):
|
|
if self.parameterDefinition().allowMultiple():
|
|
self.widget.updateForOptions(self.getFields())
|
|
else:
|
|
self.widget.setLayer(self._layer)
|
|
self.widget.setCurrentIndex(0)
|
|
if self.parameterDefinition().defaultValue() is not None:
|
|
self.setValue(self.parameterDefinition().defaultValue())
|
|
|
|
def getFields(self):
|
|
if self._layer is None:
|
|
return []
|
|
fieldTypes = []
|
|
if self.parameterDefinition().dataType() == QgsProcessingParameterField.String:
|
|
fieldTypes = [QVariant.String]
|
|
elif self.parameterDefinition().dataType() == QgsProcessingParameterField.Numeric:
|
|
fieldTypes = [QVariant.Int, QVariant.Double, QVariant.LongLong,
|
|
QVariant.UInt, QVariant.ULongLong]
|
|
elif self.parameterDefinition().dataType() == QgsProcessingParameterField.DateTime:
|
|
fieldTypes = [QVariant.Date, QVariant.Time, QVariant.DateTime]
|
|
|
|
fieldNames = []
|
|
for field in self._layer.fields():
|
|
if not fieldTypes or field.type() in fieldTypes:
|
|
fieldNames.append(str(field.name()))
|
|
return fieldNames
|
|
|
|
def setValue(self, value):
|
|
if value is None or value == NULL:
|
|
return
|
|
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
if self.parameterDefinition().allowMultiple():
|
|
options = self.widget.options
|
|
selected = []
|
|
if isinstance(value, str):
|
|
value = value.split(';')
|
|
|
|
for v in value:
|
|
for i, opt in enumerate(options):
|
|
if opt == v:
|
|
selected.append(i)
|
|
# case insensitive check - only do if matching case value is not present
|
|
elif v not in options and opt.lower() == v.lower():
|
|
selected.append(i)
|
|
|
|
self.widget.setSelectedItems(selected)
|
|
else:
|
|
self.widget.setField(value)
|
|
else:
|
|
self.setComboValue(value)
|
|
|
|
def value(self):
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
if self.parameterDefinition().allowMultiple():
|
|
return [self.widget.options[i] for i in self.widget.selectedoptions]
|
|
else:
|
|
f = self.widget.currentField()
|
|
if self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional and not f:
|
|
return None
|
|
return f
|
|
else:
|
|
def validator(v):
|
|
return bool(v) or self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional
|
|
|
|
return self.comboValue(validator)
|
|
|
|
|
|
class BandWidgetWrapper(WidgetWrapper):
|
|
NOT_SET = '[Not set]'
|
|
|
|
def __init__(self, param, dialog, row=0, col=0, **kwargs):
|
|
"""
|
|
.. deprecated:: 3.14
|
|
Do not use, will be removed in QGIS 4.0
|
|
"""
|
|
|
|
from warnings import warn
|
|
warn("BandWidgetWrapper is deprecated and will be removed in QGIS 4.0", DeprecationWarning)
|
|
|
|
super().__init__(param, dialog, row, col, **kwargs)
|
|
self.context = dataobjects.createContext()
|
|
|
|
def createWidget(self):
|
|
self._layer = None
|
|
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
if self.parameterDefinition().allowMultiple():
|
|
return MultipleInputPanel(options=[])
|
|
widget = QgsRasterBandComboBox()
|
|
widget.setShowNotSetOption(self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional)
|
|
widget.bandChanged.connect(lambda: self.widgetValueHasChanged.emit(self))
|
|
return widget
|
|
else:
|
|
widget = QComboBox()
|
|
widget.setEditable(True)
|
|
fields = self.dialog.getAvailableValuesOfType([QgsProcessingParameterBand, QgsProcessingParameterDistance, QgsProcessingParameterNumber],
|
|
[QgsProcessingOutputNumber])
|
|
if self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional:
|
|
widget.addItem(self.NOT_SET, self.NOT_SET_OPTION)
|
|
for f in fields:
|
|
widget.addItem(self.dialog.resolveValueDescription(f), f)
|
|
return widget
|
|
|
|
def postInitialize(self, wrappers):
|
|
for wrapper in wrappers:
|
|
if wrapper.parameterDefinition().name() == self.parameterDefinition().parentLayerParameterName():
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
self.setLayer(wrapper.parameterValue())
|
|
wrapper.widgetValueHasChanged.connect(self.parentValueChanged)
|
|
break
|
|
|
|
def parentValueChanged(self, wrapper):
|
|
self.setLayer(wrapper.parameterValue())
|
|
|
|
def setLayer(self, layer):
|
|
if isinstance(layer, QgsProcessingParameterRasterLayer):
|
|
layer, ok = layer.source.valueAsString(self.context.expressionContext())
|
|
if isinstance(layer, str):
|
|
layer = QgsProcessingUtils.mapLayerFromString(layer, self.context)
|
|
self._layer = layer
|
|
self.refreshItems()
|
|
|
|
def getBands(self):
|
|
bands = []
|
|
|
|
if self._layer is not None:
|
|
provider = self._layer.dataProvider()
|
|
for band in range(1, provider.bandCount() + 1):
|
|
name = provider.generateBandName(band)
|
|
interpretation = provider.colorInterpretationName(band)
|
|
if interpretation != "Undefined":
|
|
name = name + ' ({})'.format(interpretation)
|
|
bands.append(name)
|
|
return bands
|
|
|
|
def refreshItems(self):
|
|
if self.param.allowMultiple():
|
|
self.widget.setSelectedItems([])
|
|
self.widget.updateForOptions(self.getBands())
|
|
else:
|
|
self.widget.setLayer(self._layer)
|
|
self.widget.setCurrentIndex(0)
|
|
|
|
def setValue(self, value):
|
|
if value is None or value == NULL:
|
|
return
|
|
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
if self.parameterDefinition().allowMultiple():
|
|
options = self.widget.options
|
|
selected = []
|
|
if isinstance(value, str):
|
|
value = value.split(';')
|
|
|
|
for v in value:
|
|
for i, opt in enumerate(options):
|
|
match = re.search('(?:\\A|[^0-9]){}(?:\\Z|[^0-9]|)'.format(v), opt)
|
|
if match:
|
|
selected.append(i)
|
|
|
|
self.widget.setSelectedItems(selected)
|
|
else:
|
|
self.widget.setBand(value)
|
|
else:
|
|
self.setComboValue(value)
|
|
|
|
def value(self):
|
|
if self.dialogType in (DIALOG_STANDARD, DIALOG_BATCH):
|
|
if self.parameterDefinition().allowMultiple():
|
|
bands = []
|
|
for i in self.widget.selectedoptions:
|
|
match = re.search('(?:\\A|[^0-9])([0-9]+)(?:\\Z|[^0-9]|)', self.widget.options[i])
|
|
if match:
|
|
bands.append(match.group(1))
|
|
return bands
|
|
else:
|
|
f = self.widget.currentBand()
|
|
if self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional and not f:
|
|
return None
|
|
return f
|
|
else:
|
|
def validator(v):
|
|
return bool(v) or self.parameterDefinition().flags() & QgsProcessingParameterDefinition.FlagOptional
|
|
|
|
return self.comboValue(validator)
|
|
|
|
|
|
class WidgetWrapperFactory:
|
|
|
|
"""
|
|
Factory for parameter widget wrappers
|
|
"""
|
|
|
|
@staticmethod
|
|
def create_wrapper(param, dialog, row=0, col=0):
|
|
wrapper_metadata = param.metadata().get('widget_wrapper', None)
|
|
# VERY messy logic here to avoid breaking 3.0 API which allowed metadata "widget_wrapper" value to be either
|
|
# a string name of a class OR a dict.
|
|
# TODO QGIS 4.0 -- require widget_wrapper to be a dict.
|
|
if wrapper_metadata and (not isinstance(wrapper_metadata, dict) or wrapper_metadata.get('class', None) is not None):
|
|
return WidgetWrapperFactory.create_wrapper_from_metadata(param, dialog, row, col)
|
|
else:
|
|
# try from c++ registry first
|
|
class_type = dialog.__class__.__name__
|
|
if class_type == 'ModelerParametersDialog':
|
|
wrapper = QgsGui.processingGuiRegistry().createModelerParameterWidget(dialog.model,
|
|
dialog.childId,
|
|
param,
|
|
dialog.context)
|
|
else:
|
|
dialog_type = dialogTypes.get(class_type,
|
|
QgsProcessingGui.Standard)
|
|
wrapper = QgsGui.processingGuiRegistry().createParameterWidgetWrapper(param, dialog_type)
|
|
if wrapper is not None:
|
|
wrapper.setDialog(dialog)
|
|
return wrapper
|
|
|
|
# fallback to Python registry
|
|
return WidgetWrapperFactory.create_wrapper_from_class(param, dialog, row, col)
|
|
|
|
@staticmethod
|
|
def create_wrapper_from_metadata(param, dialog, row=0, col=0):
|
|
wrapper = param.metadata().get('widget_wrapper', None)
|
|
params = {}
|
|
# wrapper metadata should be a dict with class key
|
|
if isinstance(wrapper, dict):
|
|
params = deepcopy(wrapper)
|
|
wrapper = params.pop('class')
|
|
# wrapper metadata should be a class path
|
|
if isinstance(wrapper, str):
|
|
tokens = wrapper.split('.')
|
|
mod = __import__('.'.join(tokens[:-1]), fromlist=[tokens[-1]])
|
|
wrapper = getattr(mod, tokens[-1])
|
|
# or directly a class object
|
|
if isclass(wrapper):
|
|
wrapper = wrapper(param, dialog, row, col, **params)
|
|
# or a wrapper instance
|
|
return wrapper
|
|
|
|
@staticmethod
|
|
def create_wrapper_from_class(param, dialog, row=0, col=0):
|
|
wrapper = None
|
|
if param.type() == 'boolean':
|
|
# deprecated, moved to c++
|
|
wrapper = BooleanWidgetWrapper
|
|
elif param.type() == 'crs':
|
|
# deprecated, moved to c++
|
|
wrapper = CrsWidgetWrapper
|
|
elif param.type() == 'extent':
|
|
# deprecated, moved to c++
|
|
wrapper = ExtentWidgetWrapper
|
|
elif param.type() == 'point':
|
|
# deprecated, moved to c++
|
|
wrapper = PointWidgetWrapper
|
|
elif param.type() == 'file':
|
|
# deprecated, moved to c++
|
|
wrapper = FileWidgetWrapper
|
|
elif param.type() == 'multilayer':
|
|
wrapper = MultipleLayerWidgetWrapper
|
|
elif param.type() == 'number':
|
|
# deprecated, moved to c++
|
|
wrapper = NumberWidgetWrapper
|
|
elif param.type() == 'distance':
|
|
# deprecated, moved to c++
|
|
wrapper = DistanceWidgetWrapper
|
|
elif param.type() == 'raster':
|
|
# deprecated, moved to c++
|
|
wrapper = RasterWidgetWrapper
|
|
elif param.type() == 'enum':
|
|
# deprecated, moved to c++
|
|
wrapper = EnumWidgetWrapper
|
|
elif param.type() == 'string':
|
|
# deprecated, moved to c++
|
|
wrapper = StringWidgetWrapper
|
|
elif param.type() == 'expression':
|
|
# deprecated, moved to c++
|
|
wrapper = ExpressionWidgetWrapper
|
|
elif param.type() == 'vector':
|
|
# deprecated, moved to c++
|
|
wrapper = VectorLayerWidgetWrapper
|
|
elif param.type() == 'field':
|
|
# deprecated, moved to c++
|
|
wrapper = TableFieldWidgetWrapper
|
|
elif param.type() == 'source':
|
|
# deprecated, moved to c++
|
|
wrapper = FeatureSourceWidgetWrapper
|
|
elif param.type() == 'band':
|
|
# deprecated, moved to c++
|
|
wrapper = BandWidgetWrapper
|
|
elif param.type() == 'layer':
|
|
# deprecated, moved to c++
|
|
wrapper = MapLayerWidgetWrapper
|
|
elif param.type() == 'range':
|
|
# deprecated, moved to c++
|
|
wrapper = RangeWidgetWrapper
|
|
elif param.type() == 'matrix':
|
|
# deprecated, moved to c++
|
|
wrapper = FixedTableWidgetWrapper
|
|
elif param.type() == 'mesh':
|
|
# deprecated, moved to c++
|
|
wrapper = MeshWidgetWrapper
|
|
else:
|
|
assert False, param.type()
|
|
return wrapper(param, dialog, row, col)
|