mirror of
https://github.com/qgis/QGIS.git
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1d1d2ca703
This reverts commits f8890d8f047cd2bb934eaad83e1057814927adb5, f085f5527658c0a81b9a065a6fcee4d654d16bb6 and 5844a0fc906c744327139e137642f0ec97ae240a
196 lines
8.4 KiB
Python
196 lines
8.4 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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BatchInputSelectionPanel.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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import os
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from qgis.PyQt.QtCore import pyqtSignal, QCoreApplication
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from qgis.PyQt.QtWidgets import QWidget, QHBoxLayout, QMenu, QPushButton, QLineEdit, QSizePolicy, QAction, QFileDialog
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from qgis.PyQt.QtGui import QCursor
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from qgis.core import (QgsMapLayer,
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QgsSettings,
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QgsProject,
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QgsProcessing,
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QgsProcessingUtils,
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QgsProcessingParameterMultipleLayers,
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QgsProcessingParameterRasterLayer,
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QgsProcessingParameterDefinition,
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QgsProcessingParameterVectorLayer,
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QgsProcessingParameterMeshLayer,
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QgsProcessingParameterFeatureSource)
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from processing.gui.MultipleInputDialog import MultipleInputDialog
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from processing.gui.ParameterGuiUtils import getFileFilter
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from processing.tools import dataobjects
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class BatchInputSelectionPanel(QWidget):
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valueChanged = pyqtSignal()
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def __init__(self, param, row, col, dialog):
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super(BatchInputSelectionPanel, self).__init__(None)
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self.param = param
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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.horizontalLayout = QHBoxLayout(self)
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self.horizontalLayout.setSpacing(0)
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self.horizontalLayout.setMargin(0)
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self.text = QLineEdit()
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self.text.setObjectName('text')
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self.text.setMinimumWidth(300)
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self.setValue('')
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self.text.editingFinished.connect(self.textEditingFinished)
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self.text.setSizePolicy(QSizePolicy.Expanding,
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QSizePolicy.Expanding)
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self.horizontalLayout.addWidget(self.text)
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self.pushButton = QPushButton()
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self.pushButton.setText('…')
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self.pushButton.clicked.connect(self.showPopupMenu)
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self.horizontalLayout.addWidget(self.pushButton)
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self.setLayout(self.horizontalLayout)
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def _panel(self):
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return self.dialog.mainWidget()
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def _table(self):
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return self._panel().tblParameters
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def showPopupMenu(self):
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popupmenu = QMenu()
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if not (isinstance(self.param, QgsProcessingParameterMultipleLayers) and
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self.param.layerType == dataobjects.TYPE_FILE):
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selectLayerAction = QAction(
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QCoreApplication.translate('BatchInputSelectionPanel', 'Select from Open Layers…'), self.pushButton)
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selectLayerAction.triggered.connect(self.showLayerSelectionDialog)
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popupmenu.addAction(selectLayerAction)
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selectFileAction = QAction(
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QCoreApplication.translate('BatchInputSelectionPanel', 'Select from File System…'), self.pushButton)
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selectFileAction.triggered.connect(self.showFileSelectionDialog)
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popupmenu.addAction(selectFileAction)
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popupmenu.exec_(QCursor.pos())
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def showLayerSelectionDialog(self):
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layers = []
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if (isinstance(self.param, QgsProcessingParameterRasterLayer) or
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(isinstance(self.param, QgsProcessingParameterMultipleLayers) and
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self.param.layerType() == QgsProcessing.TypeRaster)):
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layers = QgsProcessingUtils.compatibleRasterLayers(QgsProject.instance())
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elif isinstance(self.param, QgsProcessingParameterVectorLayer):
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layers = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance())
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elif (isinstance(self.param, QgsProcessingParameterMeshLayer) or
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(isinstance(self.param, QgsProcessingParameterMultipleLayers) and
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self.param.layerType() == QgsProcessing.TypeMesh)):
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layers = QgsProcessingUtils.compatibleMeshLayers(QgsProject.instance())
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else:
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datatypes = [QgsProcessing.TypeVectorAnyGeometry]
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if isinstance(self.param, QgsProcessingParameterFeatureSource):
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datatypes = self.param.dataTypes()
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elif isinstance(self.param, QgsProcessingParameterMultipleLayers):
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datatypes = [self.param.layerType()]
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if QgsProcessing.TypeVectorAnyGeometry not in datatypes:
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layers = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance(), datatypes)
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else:
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layers = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance())
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dlg = MultipleInputDialog([layer.name() for layer in layers])
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dlg.exec_()
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def generate_layer_id(layer):
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# prefer layer name if unique
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if len([l for l in layers if l.name().lower() == layer.name().lower()]) == 1:
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return layer.name()
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else:
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# otherwise fall back to layer id
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return layer.id()
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if dlg.selectedoptions is not None:
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selected = dlg.selectedoptions
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if len(selected) == 1:
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self.setValue(generate_layer_id(layers[selected[0]]))
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else:
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if isinstance(self.param, QgsProcessingParameterMultipleLayers):
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self.text.setText(';'.join(layers[idx].id() for idx in selected))
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else:
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rowdif = len(selected) - (self._table().rowCount() - self.row)
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for i in range(rowdif):
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self._panel().addRow()
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for i, layeridx in enumerate(selected):
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self._table().cellWidget(i + self.row,
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self.col).setValue(generate_layer_id(layers[layeridx]))
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def showFileSelectionDialog(self):
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settings = QgsSettings()
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text = str(self.text.text())
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if os.path.isdir(text):
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path = text
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elif os.path.isdir(os.path.dirname(text)):
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path = os.path.dirname(text)
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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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ret, selected_filter = QFileDialog.getOpenFileNames(self, self.tr('Select Files'), path,
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getFileFilter(self.param))
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if ret:
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files = list(ret)
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settings.setValue('/Processing/LastInputPath',
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os.path.dirname(str(files[0])))
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for i, filename in enumerate(files):
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files[i] = dataobjects.getRasterSublayer(filename, self.param)
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if len(files) == 1:
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self.text.setText(files[0])
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self.textEditingFinished()
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else:
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if isinstance(self.param, QgsProcessingParameterMultipleLayers):
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self.text.setText(';'.join(str(f) for f in files))
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else:
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rowdif = len(files) - (self._table().rowCount() - self.row)
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for i in range(rowdif):
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self._panel().addRow()
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for i, f in enumerate(files):
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self._table().cellWidget(i + self.row,
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self.col).setValue(f)
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def textEditingFinished(self):
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self._value = self.text.text()
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self.valueChanged.emit()
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def value(self):
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return self._value if self._value else None
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def setValue(self, value):
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self._value = value
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if isinstance(value, QgsMapLayer):
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self.text.setText(value.name())
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else: # should be basestring
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self.text.setText(value)
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self.valueChanged.emit()
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