diff options
Diffstat (limited to 'examples/xml/saxbookmarks/mainwindow.cpp')
| -rw-r--r-- | examples/xml/saxbookmarks/mainwindow.cpp | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/examples/xml/saxbookmarks/mainwindow.cpp b/examples/xml/saxbookmarks/mainwindow.cpp new file mode 100644 index 0000000..2cba559 --- /dev/null +++ b/examples/xml/saxbookmarks/mainwindow.cpp @@ -0,0 +1,161 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> + +#include "mainwindow.h" +#include "xbelgenerator.h" +#include "xbelhandler.h" + +MainWindow::MainWindow() +{ + QStringList labels; + labels << tr("Title") << tr("Location"); + + treeWidget = new QTreeWidget; + treeWidget->header()->setResizeMode(QHeaderView::Stretch); + treeWidget->setHeaderLabels(labels); + setCentralWidget(treeWidget); + + createActions(); + createMenus(); + + statusBar()->showMessage(tr("Ready")); + + setWindowTitle(tr("SAX Bookmarks")); + resize(480, 320); +} + +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(); + + XbelHandler handler(treeWidget); + QXmlSimpleReader reader; + reader.setContentHandler(&handler); + reader.setErrorHandler(&handler); + + QFile file(fileName); + if (!file.open(QFile::ReadOnly | QFile::Text)) { + QMessageBox::warning(this, tr("SAX Bookmarks"), + tr("Cannot read file %1:\n%2.") + .arg(fileName) + .arg(file.errorString())); + return; + } + + QXmlInputSource xmlInputSource(&file); + if (reader.parse(xmlInputSource)) + statusBar()->showMessage(tr("File loaded"), 2000); +} + +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("SAX Bookmarks"), + tr("Cannot write file %1:\n%2.") + .arg(fileName) + .arg(file.errorString())); + return; + } + + XbelGenerator generator(treeWidget); + if (generator.write(&file)) + statusBar()->showMessage(tr("File saved"), 2000); +} + +void MainWindow::about() +{ + QMessageBox::about(this, tr("About SAX Bookmarks"), + tr("The <b>SAX Bookmarks</b> example demonstrates how to use Qt's " + "SAX classes to read XML documents and how to generate XML by " + "hand.")); +} + +void MainWindow::createActions() +{ + openAct = new QAction(tr("&Open..."), this); + openAct->setShortcut(tr("Ctrl+O")); + connect(openAct, SIGNAL(triggered()), this, SLOT(open())); + + saveAsAct = new QAction(tr("&Save As..."), this); + saveAsAct->setShortcut(tr("Ctrl+S")); + connect(saveAsAct, SIGNAL(triggered()), this, SLOT(saveAs())); + + exitAct = new QAction(tr("E&xit"), this); + exitAct->setShortcut(tr("Ctrl+Q")); + 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())); +} + +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); +} |