qt5base-lts/examples/xml/streambookmarks/mainwindow.cpp
Jani Heikkinen 2b75c156b6 Updated BSD licensed file headers
Change-Id: I6441ff931dbd33b698d762e6f6784898f3f60fe7
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
2015-02-15 07:41:17 +00:00

175 lines
5.6 KiB
C++

/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
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**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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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);
setCentralWidget(treeWidget);
createActions();
createMenus();
statusBar()->showMessage(tr("Ready"));
setWindowTitle(tr("QXmlStream Bookmarks"));
resize(480, 320);
}
//! [0]
//! [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(fileName)
.arg(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(fileName)
.arg(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(fileName)
.arg(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]
//! [4]
void MainWindow::createActions()
{
openAct = new QAction(tr("&Open..."), this);
openAct->setShortcuts(QKeySequence::Open);
connect(openAct, SIGNAL(triggered()), this, SLOT(open()));
saveAsAct = new QAction(tr("&Save As..."), this);
saveAsAct->setShortcuts(QKeySequence::SaveAs);
connect(saveAsAct, SIGNAL(triggered()), this, SLOT(saveAs()));
exitAct = new QAction(tr("E&xit"), this);
exitAct->setShortcuts(QKeySequence::Quit);
connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));
aboutAct = new QAction(tr("&About"), this);
connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));
aboutQtAct = new QAction(tr("About &Qt"), this);
connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
}
//! [4]
//! [5]
void MainWindow::createMenus()
{
fileMenu = menuBar()->addMenu(tr("&File"));
fileMenu->addAction(openAct);
fileMenu->addAction(saveAsAct);
fileMenu->addAction(exitAct);
menuBar()->addSeparator();
helpMenu = menuBar()->addMenu(tr("&Help"));
helpMenu->addAction(aboutAct);
helpMenu->addAction(aboutQtAct);
}
//! [5]