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| ** This file is part of the examples of the Qt Toolkit. |
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| |
| #include <QtWidgets> |
| |
| #include "mainwindow.h" |
| #include "xbelreader.h" |
| #include "xbelwriter.h" |
| |
| //! [0] |
| MainWindow::MainWindow() |
| { |
| QStringList labels; |
| labels << tr("Title") << tr("Location"); |
| |
| treeWidget = new QTreeWidget; |
| treeWidget->header()->setSectionResizeMode(QHeaderView::Stretch); |
| treeWidget->setHeaderLabels(labels); |
| #if !defined(QT_NO_CONTEXTMENU) && !defined(QT_NO_CLIPBOARD) |
| treeWidget->setContextMenuPolicy(Qt::CustomContextMenu); |
| connect(treeWidget, &QWidget::customContextMenuRequested, |
| this, &MainWindow::onCustomContextMenuRequested); |
| #endif |
| setCentralWidget(treeWidget); |
| |
| createMenus(); |
| |
| statusBar()->showMessage(tr("Ready")); |
| |
| setWindowTitle(tr("QXmlStream Bookmarks")); |
| const QSize availableSize = screen()->availableGeometry().size(); |
| resize(availableSize.width() / 2, availableSize.height() / 3); |
| } |
| //! [0] |
| |
| #if !defined(QT_NO_CONTEXTMENU) && !defined(QT_NO_CLIPBOARD) |
| void MainWindow::onCustomContextMenuRequested(const QPoint &pos) |
| { |
| const QTreeWidgetItem *item = treeWidget->itemAt(pos); |
| if (!item) |
| return; |
| const QString url = item->text(1); |
| QMenu contextMenu; |
| QAction *copyAction = contextMenu.addAction(tr("Copy Link to Clipboard")); |
| QAction *openAction = contextMenu.addAction(tr("Open")); |
| QAction *action = contextMenu.exec(treeWidget->viewport()->mapToGlobal(pos)); |
| if (action == copyAction) |
| QGuiApplication::clipboard()->setText(url); |
| else if (action == openAction) |
| QDesktopServices::openUrl(QUrl(url)); |
| } |
| #endif // !QT_NO_CONTEXTMENU && !QT_NO_CLIPBOARD |
| |
| //! [1] |
| void MainWindow::open() |
| { |
| QString fileName = |
| QFileDialog::getOpenFileName(this, tr("Open Bookmark File"), |
| QDir::currentPath(), |
| tr("XBEL Files (*.xbel *.xml)")); |
| if (fileName.isEmpty()) |
| return; |
| |
| treeWidget->clear(); |
| |
| |
| QFile file(fileName); |
| if (!file.open(QFile::ReadOnly | QFile::Text)) { |
| QMessageBox::warning(this, tr("QXmlStream Bookmarks"), |
| tr("Cannot read file %1:\n%2.") |
| .arg(QDir::toNativeSeparators(fileName), |
| file.errorString())); |
| return; |
| } |
| |
| XbelReader reader(treeWidget); |
| if (!reader.read(&file)) { |
| QMessageBox::warning(this, tr("QXmlStream Bookmarks"), |
| tr("Parse error in file %1:\n\n%2") |
| .arg(QDir::toNativeSeparators(fileName), |
| reader.errorString())); |
| } else { |
| statusBar()->showMessage(tr("File loaded"), 2000); |
| } |
| |
| } |
| //! [1] |
| |
| //! [2] |
| void MainWindow::saveAs() |
| { |
| QString fileName = |
| QFileDialog::getSaveFileName(this, tr("Save Bookmark File"), |
| QDir::currentPath(), |
| tr("XBEL Files (*.xbel *.xml)")); |
| if (fileName.isEmpty()) |
| return; |
| |
| QFile file(fileName); |
| if (!file.open(QFile::WriteOnly | QFile::Text)) { |
| QMessageBox::warning(this, tr("QXmlStream Bookmarks"), |
| tr("Cannot write file %1:\n%2.") |
| .arg(QDir::toNativeSeparators(fileName), |
| file.errorString())); |
| return; |
| } |
| |
| XbelWriter writer(treeWidget); |
| if (writer.writeFile(&file)) |
| statusBar()->showMessage(tr("File saved"), 2000); |
| } |
| //! [2] |
| |
| //! [3] |
| void MainWindow::about() |
| { |
| QMessageBox::about(this, tr("About QXmlStream Bookmarks"), |
| tr("The <b>QXmlStream Bookmarks</b> example demonstrates how to use Qt's " |
| "QXmlStream classes to read and write XML documents.")); |
| } |
| //! [3] |
| |
| //! [5] |
| void MainWindow::createMenus() |
| { |
| QMenu *fileMenu = menuBar()->addMenu(tr("&File")); |
| QAction *openAct = fileMenu->addAction(tr("&Open..."), this, &MainWindow::open); |
| openAct->setShortcuts(QKeySequence::Open); |
| |
| QAction *saveAsAct = fileMenu->addAction(tr("&Save As..."), this, &MainWindow::saveAs); |
| saveAsAct->setShortcuts(QKeySequence::SaveAs); |
| |
| QAction *exitAct = fileMenu->addAction(tr("E&xit"), this, &QWidget::close); |
| exitAct->setShortcuts(QKeySequence::Quit); |
| |
| menuBar()->addSeparator(); |
| |
| QMenu *helpMenu = menuBar()->addMenu(tr("&Help")); |
| helpMenu->addAction(tr("&About"), this, &MainWindow::about); |
| helpMenu->addAction(tr("About &Qt"), qApp, &QCoreApplication::quit); |
| } |
| //! [5] |