1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111
|
// 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]
|