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+
+#############################################################################
+##
+## Copyright (C) 2013 Riverbank Computing Limited.
+## Copyright (C) 2020 The Qt Company Ltd.
+## Contact: http://www.qt.io/licensing/
+##
+## This file is part of the Qt for Python examples of the Qt Toolkit.
+##
+## $QT_BEGIN_LICENSE:BSD$
+## You may use this file under the terms of the BSD license as follows:
+##
+## "Redistribution and use in source and binary forms, with or without
+## modification, are permitted provided that the following conditions are
+## met:
+## * Redistributions of source code must retain the above copyright
+## notice, this list of conditions and the following disclaimer.
+## * Redistributions in binary form must reproduce the above copyright
+## notice, this list of conditions and the following disclaimer in
+## the documentation and/or other materials provided with the
+## distribution.
+## * Neither the name of The Qt Company Ltd nor the names of its
+## contributors may be used to endorse or promote products derived
+## from this software without specific prior written permission.
+##
+##
+## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+import sys
+from PySide6.QtCore import (QDate, QDateTime, QRegularExpression,
+ QSortFilterProxyModel, QTime, Qt)
+from PySide6.QtGui import QStandardItemModel
+from PySide6.QtWidgets import (QApplication, QCheckBox, QComboBox, QGridLayout,
+ QGroupBox, QHBoxLayout, QLabel, QLineEdit,
+ QTreeView, QVBoxLayout, QWidget)
+
+
+REGULAR_EXPRESSION = 0
+WILDCARD = 1
+FIXED_STRING = 2
+
+
+class Window(QWidget):
+ def __init__(self):
+ super(Window, self).__init__()
+
+ self.proxyModel = QSortFilterProxyModel()
+ self.proxyModel.setDynamicSortFilter(True)
+
+ self.sourceGroupBox = QGroupBox("Original Model")
+ self.proxyGroupBox = QGroupBox("Sorted/Filtered Model")
+
+ self.sourceView = QTreeView()
+ self.sourceView.setRootIsDecorated(False)
+ self.sourceView.setAlternatingRowColors(True)
+
+ self.proxyView = QTreeView()
+ self.proxyView.setRootIsDecorated(False)
+ self.proxyView.setAlternatingRowColors(True)
+ self.proxyView.setModel(self.proxyModel)
+ self.proxyView.setSortingEnabled(True)
+
+ self.sortCaseSensitivityCheckBox = QCheckBox("Case sensitive sorting")
+ self.filterCaseSensitivityCheckBox = QCheckBox("Case sensitive filter")
+
+ self.filterPatternLineEdit = QLineEdit()
+ self.filterPatternLineEdit.setClearButtonEnabled(True)
+ self.filterPatternLabel = QLabel("&Filter pattern:")
+ self.filterPatternLabel.setBuddy(self.filterPatternLineEdit)
+
+ self.filterSyntaxComboBox = QComboBox()
+ self.filterSyntaxComboBox.addItem("Regular expression",
+ REGULAR_EXPRESSION)
+ self.filterSyntaxComboBox.addItem("Wildcard",
+ WILDCARD)
+ self.filterSyntaxComboBox.addItem("Fixed string",
+ FIXED_STRING)
+ self.filterSyntaxLabel = QLabel("Filter &syntax:")
+ self.filterSyntaxLabel.setBuddy(self.filterSyntaxComboBox)
+
+ self.filterColumnComboBox = QComboBox()
+ self.filterColumnComboBox.addItem("Subject")
+ self.filterColumnComboBox.addItem("Sender")
+ self.filterColumnComboBox.addItem("Date")
+ self.filterColumnLabel = QLabel("Filter &column:")
+ self.filterColumnLabel.setBuddy(self.filterColumnComboBox)
+
+ self.filterPatternLineEdit.textChanged.connect(self.filterRegExpChanged)
+ self.filterSyntaxComboBox.currentIndexChanged.connect(self.filterRegExpChanged)
+ self.filterColumnComboBox.currentIndexChanged.connect(self.filterColumnChanged)
+ self.filterCaseSensitivityCheckBox.toggled.connect(self.filterRegExpChanged)
+ self.sortCaseSensitivityCheckBox.toggled.connect(self.sortChanged)
+
+ sourceLayout = QHBoxLayout()
+ sourceLayout.addWidget(self.sourceView)
+ self.sourceGroupBox.setLayout(sourceLayout)
+
+ proxyLayout = QGridLayout()
+ proxyLayout.addWidget(self.proxyView, 0, 0, 1, 3)
+ proxyLayout.addWidget(self.filterPatternLabel, 1, 0)
+ proxyLayout.addWidget(self.filterPatternLineEdit, 1, 1, 1, 2)
+ proxyLayout.addWidget(self.filterSyntaxLabel, 2, 0)
+ proxyLayout.addWidget(self.filterSyntaxComboBox, 2, 1, 1, 2)
+ proxyLayout.addWidget(self.filterColumnLabel, 3, 0)
+ proxyLayout.addWidget(self.filterColumnComboBox, 3, 1, 1, 2)
+ proxyLayout.addWidget(self.filterCaseSensitivityCheckBox, 4, 0, 1, 2)
+ proxyLayout.addWidget(self.sortCaseSensitivityCheckBox, 4, 2)
+ self.proxyGroupBox.setLayout(proxyLayout)
+
+ mainLayout = QVBoxLayout()
+ mainLayout.addWidget(self.sourceGroupBox)
+ mainLayout.addWidget(self.proxyGroupBox)
+ self.setLayout(mainLayout)
+
+ self.setWindowTitle("Basic Sort/Filter Model")
+ self.resize(500, 450)
+
+ self.proxyView.sortByColumn(1, Qt.AscendingOrder)
+ self.filterColumnComboBox.setCurrentIndex(1)
+
+ self.filterPatternLineEdit.setText("Andy|Grace")
+ self.filterCaseSensitivityCheckBox.setChecked(True)
+ self.sortCaseSensitivityCheckBox.setChecked(True)
+
+ def setSourceModel(self, model):
+ self.proxyModel.setSourceModel(model)
+ self.sourceView.setModel(model)
+
+ def filterRegExpChanged(self):
+ syntax_nr = self.filterSyntaxComboBox.currentData()
+ pattern = self.filterPatternLineEdit.text()
+ if syntax_nr == WILDCARD:
+ pattern = QRegularExpression.wildcardToRegularExpression(pattern)
+ elif syntax_nr == FIXED_STRING:
+ pattern = QRegularExpression.escape(pattern)
+
+ regExp = QRegularExpression(pattern)
+ if not self.filterCaseSensitivityCheckBox.isChecked():
+ options = regExp.patternOptions()
+ options |= QRegularExpression.CaseInsensitiveOption
+ regExp.setPatternOptions(options)
+ self.proxyModel.setFilterRegularExpression(regExp)
+
+ def filterColumnChanged(self):
+ self.proxyModel.setFilterKeyColumn(self.filterColumnComboBox.currentIndex())
+
+ def sortChanged(self):
+ if self.sortCaseSensitivityCheckBox.isChecked():
+ caseSensitivity = Qt.CaseSensitive
+ else:
+ caseSensitivity = Qt.CaseInsensitive
+
+ self.proxyModel.setSortCaseSensitivity(caseSensitivity)
+
+
+def addMail(model, subject, sender, date):
+ model.insertRow(0)
+ model.setData(model.index(0, 0), subject)
+ model.setData(model.index(0, 1), sender)
+ model.setData(model.index(0, 2), date)
+
+
+def createMailModel(parent):
+ model = QStandardItemModel(0, 3, parent)
+
+ model.setHeaderData(0, Qt.Horizontal, "Subject")
+ model.setHeaderData(1, Qt.Horizontal, "Sender")
+ model.setHeaderData(2, Qt.Horizontal, "Date")
+
+ addMail(model, "Happy New Year!", "Grace K. <grace@software-inc.com>",
+ QDateTime(QDate(2006, 12, 31), QTime(17, 3)))
+ addMail(model, "Radically new concept", "Grace K. <grace@software-inc.com>",
+ QDateTime(QDate(2006, 12, 22), QTime(9, 44)))
+ addMail(model, "Accounts", "pascale@nospam.com",
+ QDateTime(QDate(2006, 12, 31), QTime(12, 50)))
+ addMail(model, "Expenses", "Joe Bloggs <joe@bloggs.com>",
+ QDateTime(QDate(2006, 12, 25), QTime(11, 39)))
+ addMail(model, "Re: Expenses", "Andy <andy@nospam.com>",
+ QDateTime(QDate(2007, 1, 2), QTime(16, 5)))
+ addMail(model, "Re: Accounts", "Joe Bloggs <joe@bloggs.com>",
+ QDateTime(QDate(2007, 1, 3), QTime(14, 18)))
+ addMail(model, "Re: Accounts", "Andy <andy@nospam.com>",
+ QDateTime(QDate(2007, 1, 3), QTime(14, 26)))
+ addMail(model, "Sports", "Linda Smith <linda.smith@nospam.com>",
+ QDateTime(QDate(2007, 1, 5), QTime(11, 33)))
+ addMail(model, "AW: Sports", "Rolf Newschweinstein <rolfn@nospam.com>",
+ QDateTime(QDate(2007, 1, 5), QTime(12, 0)))
+ addMail(model, "RE: Sports", "Petra Schmidt <petras@nospam.com>",
+ QDateTime(QDate(2007, 1, 5), QTime(12, 1)))
+
+ return model
+
+
+if __name__ == '__main__':
+ app = QApplication(sys.argv)
+ window = Window()
+ window.setSourceModel(createMailModel(window))
+ window.show()
+ sys.exit(app.exec_())
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-02 14:35:22 +0000