1 2############################################################################# 3## 4## Copyright (C) 2013 Riverbank Computing Limited. 5## Copyright (C) 2020 The Qt Company Ltd. 6## Contact: http://www.qt.io/licensing/ 7## 8## This file is part of the Qt for Python examples of the Qt Toolkit. 9## 10## $QT_BEGIN_LICENSE:BSD$ 11## You may use this file under the terms of the BSD license as follows: 12## 13## "Redistribution and use in source and binary forms, with or without 14## modification, are permitted provided that the following conditions are 15## met: 16## * Redistributions of source code must retain the above copyright 17## notice, this list of conditions and the following disclaimer. 18## * Redistributions in binary form must reproduce the above copyright 19## notice, this list of conditions and the following disclaimer in 20## the documentation and/or other materials provided with the 21## distribution. 22## * Neither the name of The Qt Company Ltd nor the names of its 23## contributors may be used to endorse or promote products derived 24## from this software without specific prior written permission. 25## 26## 27## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 28## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 29## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 30## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 31## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 32## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 33## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 34## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 35## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 36## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 37## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." 38## 39## $QT_END_LICENSE$ 40## 41############################################################################# 42 43import sys 44from PySide2.QtCore import (QDate, QDateTime, QRegularExpression, 45 QSortFilterProxyModel, QTime, Qt) 46from PySide2.QtGui import QStandardItemModel 47from PySide2.QtWidgets import (QApplication, QCheckBox, QComboBox, QGridLayout, 48 QGroupBox, QHBoxLayout, QLabel, QLineEdit, 49 QTreeView, QVBoxLayout, QWidget) 50 51 52REGULAR_EXPRESSION = 0 53WILDCARD = 1 54FIXED_STRING = 2 55 56 57class Window(QWidget): 58 def __init__(self): 59 super(Window, self).__init__() 60 61 self.proxyModel = QSortFilterProxyModel() 62 self.proxyModel.setDynamicSortFilter(True) 63 64 self.sourceGroupBox = QGroupBox("Original Model") 65 self.proxyGroupBox = QGroupBox("Sorted/Filtered Model") 66 67 self.sourceView = QTreeView() 68 self.sourceView.setRootIsDecorated(False) 69 self.sourceView.setAlternatingRowColors(True) 70 71 self.proxyView = QTreeView() 72 self.proxyView.setRootIsDecorated(False) 73 self.proxyView.setAlternatingRowColors(True) 74 self.proxyView.setModel(self.proxyModel) 75 self.proxyView.setSortingEnabled(True) 76 77 self.sortCaseSensitivityCheckBox = QCheckBox("Case sensitive sorting") 78 self.filterCaseSensitivityCheckBox = QCheckBox("Case sensitive filter") 79 80 self.filterPatternLineEdit = QLineEdit() 81 self.filterPatternLineEdit.setClearButtonEnabled(True) 82 self.filterPatternLabel = QLabel("&Filter pattern:") 83 self.filterPatternLabel.setBuddy(self.filterPatternLineEdit) 84 85 self.filterSyntaxComboBox = QComboBox() 86 self.filterSyntaxComboBox.addItem("Regular expression", 87 REGULAR_EXPRESSION) 88 self.filterSyntaxComboBox.addItem("Wildcard", 89 WILDCARD) 90 self.filterSyntaxComboBox.addItem("Fixed string", 91 FIXED_STRING) 92 self.filterSyntaxLabel = QLabel("Filter &syntax:") 93 self.filterSyntaxLabel.setBuddy(self.filterSyntaxComboBox) 94 95 self.filterColumnComboBox = QComboBox() 96 self.filterColumnComboBox.addItem("Subject") 97 self.filterColumnComboBox.addItem("Sender") 98 self.filterColumnComboBox.addItem("Date") 99 self.filterColumnLabel = QLabel("Filter &column:") 100 self.filterColumnLabel.setBuddy(self.filterColumnComboBox) 101 102 self.filterPatternLineEdit.textChanged.connect(self.filterRegExpChanged) 103 self.filterSyntaxComboBox.currentIndexChanged.connect(self.filterRegExpChanged) 104 self.filterColumnComboBox.currentIndexChanged.connect(self.filterColumnChanged) 105 self.filterCaseSensitivityCheckBox.toggled.connect(self.filterRegExpChanged) 106 self.sortCaseSensitivityCheckBox.toggled.connect(self.sortChanged) 107 108 sourceLayout = QHBoxLayout() 109 sourceLayout.addWidget(self.sourceView) 110 self.sourceGroupBox.setLayout(sourceLayout) 111 112 proxyLayout = QGridLayout() 113 proxyLayout.addWidget(self.proxyView, 0, 0, 1, 3) 114 proxyLayout.addWidget(self.filterPatternLabel, 1, 0) 115 proxyLayout.addWidget(self.filterPatternLineEdit, 1, 1, 1, 2) 116 proxyLayout.addWidget(self.filterSyntaxLabel, 2, 0) 117 proxyLayout.addWidget(self.filterSyntaxComboBox, 2, 1, 1, 2) 118 proxyLayout.addWidget(self.filterColumnLabel, 3, 0) 119 proxyLayout.addWidget(self.filterColumnComboBox, 3, 1, 1, 2) 120 proxyLayout.addWidget(self.filterCaseSensitivityCheckBox, 4, 0, 1, 2) 121 proxyLayout.addWidget(self.sortCaseSensitivityCheckBox, 4, 2) 122 self.proxyGroupBox.setLayout(proxyLayout) 123 124 mainLayout = QVBoxLayout() 125 mainLayout.addWidget(self.sourceGroupBox) 126 mainLayout.addWidget(self.proxyGroupBox) 127 self.setLayout(mainLayout) 128 129 self.setWindowTitle("Basic Sort/Filter Model") 130 self.resize(500, 450) 131 132 self.proxyView.sortByColumn(1, Qt.AscendingOrder) 133 self.filterColumnComboBox.setCurrentIndex(1) 134 135 self.filterPatternLineEdit.setText("Andy|Grace") 136 self.filterCaseSensitivityCheckBox.setChecked(True) 137 self.sortCaseSensitivityCheckBox.setChecked(True) 138 139 def setSourceModel(self, model): 140 self.proxyModel.setSourceModel(model) 141 self.sourceView.setModel(model) 142 143 def filterRegExpChanged(self): 144 syntax_nr = self.filterSyntaxComboBox.currentData() 145 pattern = self.filterPatternLineEdit.text() 146 if syntax_nr == WILDCARD: 147 pattern = QRegularExpression.wildcardToRegularExpression(pattern) 148 elif syntax_nr == FIXED_STRING: 149 pattern = QRegularExpression.escape(pattern) 150 151 regExp = QRegularExpression(pattern) 152 if not self.filterCaseSensitivityCheckBox.isChecked(): 153 options = regExp.patternOptions() 154 options |= QRegularExpression.CaseInsensitiveOption 155 regExp.setPatternOptions(options) 156 self.proxyModel.setFilterRegularExpression(regExp) 157 158 def filterColumnChanged(self): 159 self.proxyModel.setFilterKeyColumn(self.filterColumnComboBox.currentIndex()) 160 161 def sortChanged(self): 162 if self.sortCaseSensitivityCheckBox.isChecked(): 163 caseSensitivity = Qt.CaseSensitive 164 else: 165 caseSensitivity = Qt.CaseInsensitive 166 167 self.proxyModel.setSortCaseSensitivity(caseSensitivity) 168 169 170def addMail(model, subject, sender, date): 171 model.insertRow(0) 172 model.setData(model.index(0, 0), subject) 173 model.setData(model.index(0, 1), sender) 174 model.setData(model.index(0, 2), date) 175 176 177def createMailModel(parent): 178 model = QStandardItemModel(0, 3, parent) 179 180 model.setHeaderData(0, Qt.Horizontal, "Subject") 181 model.setHeaderData(1, Qt.Horizontal, "Sender") 182 model.setHeaderData(2, Qt.Horizontal, "Date") 183 184 addMail(model, "Happy New Year!", "Grace K. <grace@software-inc.com>", 185 QDateTime(QDate(2006, 12, 31), QTime(17, 3))) 186 addMail(model, "Radically new concept", "Grace K. <grace@software-inc.com>", 187 QDateTime(QDate(2006, 12, 22), QTime(9, 44))) 188 addMail(model, "Accounts", "pascale@nospam.com", 189 QDateTime(QDate(2006, 12, 31), QTime(12, 50))) 190 addMail(model, "Expenses", "Joe Bloggs <joe@bloggs.com>", 191 QDateTime(QDate(2006, 12, 25), QTime(11, 39))) 192 addMail(model, "Re: Expenses", "Andy <andy@nospam.com>", 193 QDateTime(QDate(2007, 1, 2), QTime(16, 5))) 194 addMail(model, "Re: Accounts", "Joe Bloggs <joe@bloggs.com>", 195 QDateTime(QDate(2007, 1, 3), QTime(14, 18))) 196 addMail(model, "Re: Accounts", "Andy <andy@nospam.com>", 197 QDateTime(QDate(2007, 1, 3), QTime(14, 26))) 198 addMail(model, "Sports", "Linda Smith <linda.smith@nospam.com>", 199 QDateTime(QDate(2007, 1, 5), QTime(11, 33))) 200 addMail(model, "AW: Sports", "Rolf Newschweinstein <rolfn@nospam.com>", 201 QDateTime(QDate(2007, 1, 5), QTime(12, 0))) 202 addMail(model, "RE: Sports", "Petra Schmidt <petras@nospam.com>", 203 QDateTime(QDate(2007, 1, 5), QTime(12, 1))) 204 205 return model 206 207 208if __name__ == '__main__': 209 app = QApplication(sys.argv) 210 window = Window() 211 window.setSourceModel(createMailModel(window)) 212 window.show() 213 sys.exit(app.exec_()) 214