Mercurial > projects > qtd
diff examples/itemviews/customsortfiltermodel/window.d @ 146:22257add3152
add customsortfiltermodel example
author | mandel |
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date | Fri, 12 Jun 2009 22:20:37 +0000 |
parents | |
children | 7c3067c2b803 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/examples/itemviews/customsortfiltermodel/window.d Fri Jun 12 22:20:37 2009 +0000 @@ -0,0 +1,181 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial Usage +** Licensees holding valid Qt Commercial licenses may use this file in +** accordance with the Qt Commercial License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Nokia. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ +module window; + + +import qt.core.QAbstractItemModel; +import qt.gui.QWidget; +import qt.gui.QCheckBox; +import qt.gui.QComboBox; +import qt.gui.QDateEdit; +import qt.gui.QGroupBox; +import qt.gui.QLabel; +import qt.gui.QLineEdit; +import qt.gui.QTreeView; +import qt.gui.QHBoxLayout; +import qt.gui.QVBoxLayout; +import qt.gui.QGridLayout; + +import mysortfilterproxymodel; + + +class Window : public QWidget +{ +public: + + this() + { + proxyModel = new MySortFilterProxyModel(this); + proxyModel.setDynamicSortFilter(true); + + sourceView = new QTreeView; + sourceView.setRootIsDecorated(false); + sourceView.setAlternatingRowColors(true); + + QHBoxLayout sourceLayout = new QHBoxLayout; + + sourceLayout.addWidget(sourceView); + sourceGroupBox = new QGroupBox(tr("Original Model")); + sourceGroupBox.setLayout(sourceLayout); + + filterCaseSensitivityCheckBox = new QCheckBox(tr("Case sensitive filter")); + filterCaseSensitivityCheckBox.setChecked(true); + + filterPatternLineEdit = new QLineEdit; + filterPatternLineEdit.setText("Grace|Sports"); + + filterPatternLabel = new QLabel(tr("&Filter pattern:")); + filterPatternLabel.setBuddy(filterPatternLineEdit); + + filterSyntaxComboBox = new QComboBox; + filterSyntaxComboBox.addItem(tr("Regular expression"), new QVariant(cast(ulong) QRegExp.RegExp)); + filterSyntaxComboBox.addItem(tr("Wildcard"), new QVariant(cast(ulong) QRegExp.Wildcard)); + filterSyntaxComboBox.addItem(tr("Fixed string"), new QVariant(cast(ulong) QRegExp.FixedString)); + + fromDateEdit = new QDateEdit; + fromDateEdit.setDate(new QDate(1970, 01, 01)); + fromLabel = new QLabel(tr("F&rom:")); + fromLabel.setBuddy(fromDateEdit); + + toDateEdit = new QDateEdit; + toDateEdit.setDate(new QDate(2099, 12, 31)); + toLabel = new QLabel(tr("&To:")); + toLabel.setBuddy(toDateEdit); + + filterPatternLineEdit.textChanged.connect(&this.textFilterChanged); + filterSyntaxComboBox.currentIndexChanged.connect(&this.textFilterChanged); + filterCaseSensitivityCheckBox.toggled.connect(&this.textFilterChanged); + fromDateEdit.dateChanged.connect(&this.dateFilterChanged); + toDateEdit.dateChanged.connect(&this.dateFilterChanged); + + proxyView = new QTreeView; + proxyView.setRootIsDecorated(false); + proxyView.setAlternatingRowColors(true); + proxyView.setModel(proxyModel); + proxyView.setSortingEnabled(true); + proxyView.sortByColumn(1, Qt.AscendingOrder); + + QGridLayout proxyLayout = new QGridLayout; + proxyLayout.addWidget(proxyView, 0, 0, 1, 3); + proxyLayout.addWidget(filterPatternLabel, 1, 0); + proxyLayout.addWidget(filterPatternLineEdit, 1, 1); + proxyLayout.addWidget(filterSyntaxComboBox, 1, 2); + proxyLayout.addWidget(filterCaseSensitivityCheckBox, 2, 0, 1, 3); + proxyLayout.addWidget(fromLabel, 3, 0); + proxyLayout.addWidget(fromDateEdit, 3, 1, 1, 2); + proxyLayout.addWidget(toLabel, 4, 0); + proxyLayout.addWidget(toDateEdit, 4, 1, 1, 2); + + proxyGroupBox = new QGroupBox(tr("Sorted/Filtered Model")); + proxyGroupBox.setLayout(proxyLayout); + + QVBoxLayout mainLayout = new QVBoxLayout; + mainLayout.addWidget(sourceGroupBox); + mainLayout.addWidget(proxyGroupBox); + setLayout(mainLayout); + + setWindowTitle(tr("Custom Sort/Filter Model")); + resize(500, 450); + } + + void setSourceModel(QAbstractItemModel model) + { + proxyModel.setSourceModel(model); + sourceView.setModel(model); + } + +private: + + void textFilterChanged() + { + QRegExp.PatternSyntax syntax = cast(QRegExp.PatternSyntax) filterSyntaxComboBox.itemData( + filterSyntaxComboBox.currentIndex()).toInt(); + Qt.CaseSensitivity caseSensitivity = + filterCaseSensitivityCheckBox.isChecked() ? Qt.CaseSensitive + : Qt.CaseInsensitive; + + auto regExp = new QRegExp(filterPatternLineEdit.text(), caseSensitivity, syntax); + proxyModel.setFilterRegExp(regExp); + } + + void dateFilterChanged() + { + proxyModel.setFilterMinimumDate(fromDateEdit.date()); + proxyModel.setFilterMaximumDate(toDateEdit.date()); + } + +private: + + MySortFilterProxyModel proxyModel; + + QGroupBox sourceGroupBox; + QGroupBox proxyGroupBox; + QTreeView sourceView; + QTreeView proxyView; + QCheckBox filterCaseSensitivityCheckBox; + QLabel filterPatternLabel; + QLabel fromLabel; + QLabel toLabel; + QLineEdit filterPatternLineEdit; + QComboBox filterSyntaxComboBox; + QDateEdit fromDateEdit; + QDateEdit toDateEdit; +}