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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]
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