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| ** This file is part of the examples of the Qt Toolkit. |
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| |
| #include <QtWidgets> |
| |
| #include "window.h" |
| |
| Window::Window() |
| { |
| proxyModel = new QSortFilterProxyModel; |
| |
| sourceView = new QTreeView; |
| sourceView->setRootIsDecorated(false); |
| sourceView->setAlternatingRowColors(true); |
| |
| proxyView = new QTreeView; |
| proxyView->setRootIsDecorated(false); |
| proxyView->setAlternatingRowColors(true); |
| proxyView->setModel(proxyModel); |
| proxyView->setSortingEnabled(true); |
| |
| sortCaseSensitivityCheckBox = new QCheckBox(tr("Case sensitive sorting")); |
| filterCaseSensitivityCheckBox = new QCheckBox(tr("Case sensitive filter")); |
| |
| filterPatternLineEdit = new QLineEdit; |
| 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); |
| filterSyntaxLabel = new QLabel(tr("Filter &syntax:")); |
| filterSyntaxLabel->setBuddy(filterSyntaxComboBox); |
| |
| filterColumnComboBox = new QComboBox; |
| filterColumnComboBox->addItem(tr("Subject")); |
| filterColumnComboBox->addItem(tr("Sender")); |
| filterColumnComboBox->addItem(tr("Date")); |
| filterColumnLabel = new QLabel(tr("Filter &column:")); |
| filterColumnLabel->setBuddy(filterColumnComboBox); |
| |
| connect(filterPatternLineEdit, &QLineEdit::textChanged, |
| this, &Window::filterRegExpChanged); |
| connect(filterSyntaxComboBox, QOverload<int>::of(&QComboBox::currentIndexChanged), |
| this, &Window::filterRegExpChanged); |
| connect(filterColumnComboBox, QOverload<int>::of(&QComboBox::currentIndexChanged), |
| this, &Window::filterColumnChanged); |
| connect(filterCaseSensitivityCheckBox, &QAbstractButton::toggled, |
| this, &Window::filterRegExpChanged); |
| connect(sortCaseSensitivityCheckBox, &QAbstractButton::toggled, |
| this, &Window::sortChanged); |
| |
| sourceGroupBox = new QGroupBox(tr("Original Model")); |
| proxyGroupBox = new QGroupBox(tr("Sorted/Filtered Model")); |
| |
| QHBoxLayout *sourceLayout = new QHBoxLayout; |
| sourceLayout->addWidget(sourceView); |
| sourceGroupBox->setLayout(sourceLayout); |
| |
| QGridLayout *proxyLayout = new QGridLayout; |
| proxyLayout->addWidget(proxyView, 0, 0, 1, 3); |
| proxyLayout->addWidget(filterPatternLabel, 1, 0); |
| proxyLayout->addWidget(filterPatternLineEdit, 1, 1, 1, 2); |
| proxyLayout->addWidget(filterSyntaxLabel, 2, 0); |
| proxyLayout->addWidget(filterSyntaxComboBox, 2, 1, 1, 2); |
| proxyLayout->addWidget(filterColumnLabel, 3, 0); |
| proxyLayout->addWidget(filterColumnComboBox, 3, 1, 1, 2); |
| proxyLayout->addWidget(filterCaseSensitivityCheckBox, 4, 0, 1, 2); |
| proxyLayout->addWidget(sortCaseSensitivityCheckBox, 4, 2); |
| proxyGroupBox->setLayout(proxyLayout); |
| |
| QVBoxLayout *mainLayout = new QVBoxLayout; |
| |
| mainLayout->addWidget(sourceGroupBox); |
| mainLayout->addWidget(proxyGroupBox); |
| |
| setLayout(mainLayout); |
| |
| setWindowTitle(tr("Basic Sort/Filter Model")); |
| resize(500, 450); |
| |
| proxyView->sortByColumn(1, Qt::AscendingOrder); |
| filterColumnComboBox->setCurrentIndex(1); |
| |
| filterPatternLineEdit->setText("Andy|Grace"); |
| filterCaseSensitivityCheckBox->setChecked(true); |
| sortCaseSensitivityCheckBox->setChecked(true); |
| } |
| |
| void Window::setSourceModel(QAbstractItemModel *model) |
| { |
| proxyModel->setSourceModel(model); |
| sourceView->setModel(model); |
| } |
| |
| void Window::filterRegExpChanged() |
| { |
| 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); |
| } |
| |
| void Window::filterColumnChanged() |
| { |
| proxyModel->setFilterKeyColumn(filterColumnComboBox->currentIndex()); |
| } |
| |
| void Window::sortChanged() |
| { |
| proxyModel->setSortCaseSensitivity( |
| sortCaseSensitivityCheckBox->isChecked() ? Qt::CaseSensitive |
| : Qt::CaseInsensitive); |
| } |