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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include "mainwindow.h"
++ #include "xbelreader.h"
++ #include "xbelwriter.h"
++
++ #include <QFileDialog>
++ #include <QHeaderView>
++ #include <QMenuBar>
++ #include <QMessageBox>
++ #include <QStatusBar>
++ #include <QTreeWidget>
++
++ #include <QAction>
++ #if QT_CONFIG(clipboard)
++ # include <QClipboard>
++ #endif
++ #include <QDesktopServices>
++ #include <QApplication>
++ #include <QScreen>
++
++ using namespace Qt::StringLiterals;
++
++ //! [0]
++ MainWindow::MainWindow() : treeWidget(new QTreeWidget)
++ {
++ treeWidget->header()->setSectionResizeMode(QHeaderView::Stretch);
++ treeWidget->setHeaderLabels(QStringList{tr("Title"), tr("Location")});
++ #if QT_CONFIG(clipboard) && QT_CONFIG(contextmenu)
++ 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]
++
++ //! [1]
++ #if QT_CONFIG(clipboard) && QT_CONFIG(contextmenu)
++ 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_CONFIG(clipboard) && QT_CONFIG(contextmenu)
++ //! [1]
++
++ //! [2]
++ 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, &QApplication::aboutQt);
++ }
++ //! [2]
++
++ //! [3]
++ void MainWindow::open()
++ {
++ QFileDialog fileDialog(this, tr("Open Bookmark File"), QDir::currentPath());
++ fileDialog.setMimeTypeFilters({"application/x-xbel"_L1});
++ if (fileDialog.exec() != QDialog::Accepted)
++ return;
++
++ treeWidget->clear();
++
++ const QString fileName = fileDialog.selectedFiles().constFirst();
++ 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);
++ }
++ }
++ //! [3]
++
++ //! [4]
++ void MainWindow::saveAs()
++ {
++ QFileDialog fileDialog(this, tr("Save Bookmark File"), QDir::currentPath());
++ fileDialog.setAcceptMode(QFileDialog::AcceptSave);
++ fileDialog.setDefaultSuffix("xbel"_L1);
++ fileDialog.setMimeTypeFilters({"application/x-xbel"_L1});
++ if (fileDialog.exec() != QDialog::Accepted)
++ return;
++
++ const QString fileName = fileDialog.selectedFiles().constFirst();
++ 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);
++ }
++ //! [4]
++
++ //! [5]
++ 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."));
++ }
++ //! [5]