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228 lines
9.0 KiB
Python
Executable File
228 lines
9.0 KiB
Python
Executable File
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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MultipleInputDialog.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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import warnings
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from pathlib import Path
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from qgis.core import (QgsSettings,
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QgsProcessing,
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QgsVectorFileWriter,
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QgsProviderRegistry,
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QgsProcessingModelChildParameterSource)
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from qgis.PyQt import uic
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from qgis.PyQt.QtCore import Qt, QByteArray, QCoreApplication
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from qgis.PyQt.QtWidgets import QDialog, QAbstractItemView, QPushButton, QDialogButtonBox, QFileDialog
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from qgis.PyQt.QtGui import QStandardItemModel, QStandardItem
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pluginPath = os.path.split(os.path.dirname(__file__))[0]
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with warnings.catch_warnings():
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warnings.filterwarnings("ignore", category=DeprecationWarning)
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WIDGET, BASE = uic.loadUiType(
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os.path.join(pluginPath, 'ui', 'DlgMultipleSelection.ui'))
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class MultipleInputDialog(BASE, WIDGET):
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def __init__(self, options, selectedoptions=None, datatype=None):
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super(MultipleInputDialog, self).__init__(None)
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self.setupUi(self)
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self.datatype = datatype
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self.model = None
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self.options = []
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for i, option in enumerate(options):
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if option is None or isinstance(option, str):
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self.options.append((i, option))
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else:
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self.options.append((option[0], option[1]))
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self.selectedoptions = selectedoptions or []
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# Additional buttons
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self.btnSelectAll = QPushButton(self.tr('Select All'))
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self.buttonBox.addButton(self.btnSelectAll,
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QDialogButtonBox.ActionRole)
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self.btnClearSelection = QPushButton(self.tr('Clear Selection'))
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self.buttonBox.addButton(self.btnClearSelection,
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QDialogButtonBox.ActionRole)
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self.btnToggleSelection = QPushButton(self.tr('Toggle Selection'))
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self.buttonBox.addButton(self.btnToggleSelection,
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QDialogButtonBox.ActionRole)
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if self.datatype is not None:
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btnAddFile = QPushButton(QCoreApplication.translate("MultipleInputDialog", 'Add File(s)…'))
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btnAddFile.clicked.connect(self.addFiles)
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self.buttonBox.addButton(btnAddFile,
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QDialogButtonBox.ActionRole)
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btnAddDir = QPushButton(QCoreApplication.translate("MultipleInputDialog", 'Add Directory…'))
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btnAddDir.clicked.connect(self.addDirectory)
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self.buttonBox.addButton(btnAddDir,
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QDialogButtonBox.ActionRole)
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self.btnSelectAll.clicked.connect(lambda: self.selectAll(True))
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self.btnClearSelection.clicked.connect(lambda: self.selectAll(False))
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self.btnToggleSelection.clicked.connect(self.toggleSelection)
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self.settings = QgsSettings()
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self.restoreGeometry(self.settings.value("/Processing/multipleInputDialogGeometry", QByteArray()))
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self.lstLayers.setSelectionMode(QAbstractItemView.ExtendedSelection)
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self.lstLayers.setDragDropMode(QAbstractItemView.InternalMove)
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self.populateList()
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self.finished.connect(self.saveWindowGeometry)
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def saveWindowGeometry(self):
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self.settings.setValue("/Processing/multipleInputDialogGeometry", self.saveGeometry())
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def populateList(self):
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self.model = QStandardItemModel()
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for value, text in self.options:
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item = QStandardItem(text)
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item.setData(value, Qt.UserRole)
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item.setCheckState(Qt.Checked if value in self.selectedoptions else Qt.Unchecked)
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item.setCheckable(True)
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item.setDropEnabled(False)
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self.model.appendRow(item)
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# add extra options (e.g. manually added layers)
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for t in [o for o in self.selectedoptions if not isinstance(o, int)]:
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if isinstance(t, QgsProcessingModelChildParameterSource):
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item = QStandardItem(t.staticValue())
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else:
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item = QStandardItem(t)
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item.setData(item.text(), Qt.UserRole)
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item.setCheckState(Qt.Checked)
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item.setCheckable(True)
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item.setDropEnabled(False)
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self.model.appendRow(item)
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self.lstLayers.setModel(self.model)
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def accept(self):
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self.selectedoptions = []
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model = self.lstLayers.model()
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for i in range(model.rowCount()):
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item = model.item(i)
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if item.checkState() == Qt.Checked:
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self.selectedoptions.append(item.data(Qt.UserRole))
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QDialog.accept(self)
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def reject(self):
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self.selectedoptions = None
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QDialog.reject(self)
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def getItemsToModify(self):
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items = []
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if len(self.lstLayers.selectedIndexes()) > 1:
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for i in self.lstLayers.selectedIndexes():
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items.append(self.model.itemFromIndex(i))
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else:
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for i in range(self.model.rowCount()):
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items.append(self.model.item(i))
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return items
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def selectAll(self, value):
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for item in self.getItemsToModify():
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item.setCheckState(Qt.Checked if value else Qt.Unchecked)
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def toggleSelection(self):
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for item in self.getItemsToModify():
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checked = item.checkState() == Qt.Checked
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item.setCheckState(Qt.Unchecked if checked else Qt.Checked)
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def getFileFilter(self, datatype):
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"""
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Returns a suitable file filter pattern for the specified parameter definition
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:param param:
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:return:
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"""
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if datatype == QgsProcessing.TypeRaster:
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return QgsProviderRegistry.instance().fileRasterFilters()
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elif datatype == QgsProcessing.TypeFile:
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return self.tr('All files (*.*)')
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else:
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exts = QgsVectorFileWriter.supportedFormatExtensions()
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for i in range(len(exts)):
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exts[i] = self.tr('{0} files (*.{1})').format(exts[i].upper(), exts[i].lower())
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return self.tr('All files (*.*)') + ';;' + ';;'.join(exts)
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def addFiles(self):
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filter = self.getFileFilter(self.datatype)
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settings = QgsSettings()
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path = str(settings.value('/Processing/LastInputPath'))
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ret, selected_filter = QFileDialog.getOpenFileNames(self, self.tr('Select File(s)'),
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path, filter)
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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 filename in files:
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item = QStandardItem(filename)
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item.setData(filename, Qt.UserRole)
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item.setCheckState(Qt.Checked)
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item.setCheckable(True)
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item.setDropEnabled(False)
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self.model.appendRow(item)
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def addDirectory(self):
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settings = QgsSettings()
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path = str(settings.value('/Processing/LastInputPath'))
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ret = QFileDialog.getExistingDirectory(self, self.tr('Select File(s)'), path)
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if ret:
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exts = []
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if self.datatype == QgsProcessing.TypeVector:
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exts = QgsVectorFileWriter.supportedFormatExtensions()
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elif self.datatype == QgsProcessing.TypeRaster:
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for t in QgsProviderRegistry.instance().fileRasterFilters().split(';;')[1:]:
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for e in t[t.index('(') + 1:-1].split(' '):
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if e != "*.*" and e.startswith("*."):
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exts.append(e[2:])
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files = []
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for pp in Path(ret).rglob("*"):
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if not pp.is_file():
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continue
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if exts and pp.suffix[1:] not in exts:
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continue
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p = pp.as_posix()
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files.append(p)
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settings.setValue('/Processing/LastInputPath', ret)
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for filename in files:
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item = QStandardItem(filename)
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item.setData(filename, Qt.UserRole)
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item.setCheckState(Qt.Checked)
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item.setCheckable(True)
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item.setDropEnabled(False)
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self.model.appendRow(item)
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