Long live Qt!

1 files changed, 161 insertions, 0 deletions

diff --git a/examples/xml/saxbookmarks/mainwindow.cpp b/examples/xml/saxbookmarks/mainwindow.cpp
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+/****************************************************************************
+**
+** 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);
+}