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Diffstat (limited to 'examples/itemviews/customsortfiltermodel/window.cpp')
| -rw-r--r-- | examples/itemviews/customsortfiltermodel/window.cpp | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/examples/itemviews/customsortfiltermodel/window.cpp b/examples/itemviews/customsortfiltermodel/window.cpp new file mode 100644 index 0000000..54ba646 --- /dev/null +++ b/examples/itemviews/customsortfiltermodel/window.cpp @@ -0,0 +1,168 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> + +#include "mysortfilterproxymodel.h" +#include "window.h" + +//! [0] +Window::Window() +{ + proxyModel = new MySortFilterProxyModel(this); + proxyModel->setDynamicSortFilter(true); +//! [0] + +//! [1] + sourceView = new QTreeView; + sourceView->setRootIsDecorated(false); + sourceView->setAlternatingRowColors(true); +//! [1] + + QHBoxLayout *sourceLayout = new QHBoxLayout; +//! [2] + sourceLayout->addWidget(sourceView); + sourceGroupBox = new QGroupBox(tr("Original Model")); + sourceGroupBox->setLayout(sourceLayout); +//! [2] + +//! [3] + 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"), QRegExp::RegExp); + filterSyntaxComboBox->addItem(tr("Wildcard"), QRegExp::Wildcard); + filterSyntaxComboBox->addItem(tr("Fixed string"), QRegExp::FixedString); + + fromDateEdit = new QDateEdit; + fromDateEdit->setDate(QDate(1970, 01, 01)); + fromLabel = new QLabel(tr("F&rom:")); + fromLabel->setBuddy(fromDateEdit); + + toDateEdit = new QDateEdit; + toDateEdit->setDate(QDate(2099, 12, 31)); + toLabel = new QLabel(tr("&To:")); + toLabel->setBuddy(toDateEdit); + + connect(filterPatternLineEdit, SIGNAL(textChanged(const QString &)), + this, SLOT(textFilterChanged())); + connect(filterSyntaxComboBox, SIGNAL(currentIndexChanged(int)), + this, SLOT(textFilterChanged())); + connect(filterCaseSensitivityCheckBox, SIGNAL(toggled(bool)), + this, SLOT(textFilterChanged())); + connect(fromDateEdit, SIGNAL(dateChanged(const QDate &)), + this, SLOT(dateFilterChanged())); + connect(toDateEdit, SIGNAL(dateChanged(const QDate &)), +//! [3] //! [4] + this, SLOT(dateFilterChanged())); +//! [4] + +//! [5] + 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); +//! [5] + +//! [6] + QVBoxLayout *mainLayout = new QVBoxLayout; + mainLayout->addWidget(sourceGroupBox); + mainLayout->addWidget(proxyGroupBox); + setLayout(mainLayout); + + setWindowTitle(tr("Custom Sort/Filter Model")); + resize(500, 450); +} +//! [6] + +//! [7] +void Window::setSourceModel(QAbstractItemModel *model) +{ + proxyModel->setSourceModel(model); + sourceView->setModel(model); +} +//! [7] + +//! [8] +void Window::textFilterChanged() +{ + QRegExp::PatternSyntax syntax = + QRegExp::PatternSyntax(filterSyntaxComboBox->itemData( + filterSyntaxComboBox->currentIndex()).toInt()); + Qt::CaseSensitivity caseSensitivity = + filterCaseSensitivityCheckBox->isChecked() ? Qt::CaseSensitive + : Qt::CaseInsensitive; + + QRegExp regExp(filterPatternLineEdit->text(), caseSensitivity, syntax); + proxyModel->setFilterRegExp(regExp); +} +//! [8] + +//! [9] +void Window::dateFilterChanged() +{ + proxyModel->setFilterMinimumDate(fromDateEdit->date()); + proxyModel->setFilterMaximumDate(toDateEdit->date()); +} +//! [9] |