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Diffstat (limited to 'examples/xml/streambookmarks/mainwindow.cpp')
| -rw-r--r-- | examples/xml/streambookmarks/mainwindow.cpp | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/examples/xml/streambookmarks/mainwindow.cpp b/examples/xml/streambookmarks/mainwindow.cpp new file mode 100644 index 0000000000..e9236e93e6 --- /dev/null +++ b/examples/xml/streambookmarks/mainwindow.cpp @@ -0,0 +1,174 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** 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 Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** 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 +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> + +#include "mainwindow.h" +#include "xbelreader.h" +#include "xbelwriter.h" + +//! [0] +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("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] |