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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 "xbeltree.h"
++
++ #include <QApplication>
++ #include <QFileDialog>
++ #include <QMenuBar>
++ #include <QMessageBox>
++ #include <QStatusBar>
++
++ #include <QAction>
++ #include <QScreen>
++
++ using namespace Qt::StringLiterals;
++
++ //! [0]
++ MainWindow::MainWindow()
++ {
++ xbelTree = new XbelTree;
++ setCentralWidget(xbelTree);
++
++ createMenus();
++
++ statusBar()->showMessage(tr("Ready"));
++
++ setWindowTitle(tr("DOM Bookmarks"));
++ const QSize availableSize = screen()->availableGeometry().size();
++ resize(availableSize.width() / 2, availableSize.height() / 3);
++ }
++ //! [0]
++
++ //! [1]
++ void MainWindow::open()
++ {
++ QFileDialog fileDialog(this, tr("Open Bookmark File"), QDir::currentPath());
++ 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::ReadOnly | QFile::Text)) {
++ QMessageBox::warning(this, tr("DOM Bookmarks"),
++ tr("Cannot read file %1:\n%2.")
++ .arg(QDir::toNativeSeparators(fileName),
++ file.errorString()));
++ return;
++ }
++
++ if (xbelTree->read(&file))
++ statusBar()->showMessage(tr("File loaded"), 2000);
++ }
++ //! [1]
++
++ //! [2]
++ 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("DOM Bookmarks"),
++ tr("Cannot write file %1:\n%2.")
++ .arg(QDir::toNativeSeparators(fileName),
++ file.errorString()));
++ return;
++ }
++
++ if (xbelTree->write(&file))
++ statusBar()->showMessage(tr("File saved"), 2000);
++ }
++ //! [2]
++
++ //! [3]
++ void MainWindow::about()
++ {
++ QMessageBox::about(this, tr("About DOM Bookmarks"),
++ tr("The <b>DOM Bookmarks</b> example demonstrates how to "
++ "use Qt's DOM classes to read and write XML "
++ "documents."));
++ }
++ //! [3]
++
++ //! [4]
++ 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);
++ }
++ //! [4]