mainwindow.cpp Example Filexml/saxbookmarks/mainwindow.cpp/**************************************************************************** ** ** 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 "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() { #if defined(Q_OS_SYMBIAN) // Look for bookmarks on the same drive where the application is installed to, // if drive is not read only. QDesktopServices::DataLocation does this check, // and returns writable drive. QString bookmarksFolder = QDesktopServices::storageLocation(QDesktopServices::DataLocation).left(1); bookmarksFolder.append(":/Data/qt/saxbookmarks"); QDir::setCurrent(bookmarksFolder); #endif 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->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())); } 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); } |
Cette page est une traduction d'une page de la documentation de Qt, écrite par Nokia Corporation and/or its subsidiary(-ies). Les éventuels problèmes résultant d'une mauvaise traduction ne sont pas imputables à Nokia. | Qt 4.8 | |
Copyright © 2012 Developpez LLC. Tous droits réservés Developpez LLC. Aucune reproduction, même partielle, ne peut être faite de ce site et de l'ensemble de son contenu : textes, documents et images sans l'autorisation expresse de Developpez LLC. Sinon, vous encourez selon la loi jusqu'à 3 ans de prison et jusqu'à 300 000 E de dommages et intérêts. Cette page est déposée à la SACD. | ||
Vous avez déniché une erreur ? Un bug ? Une redirection cassée ? Ou tout autre problème, quel qu'il soit ? Ou bien vous désirez participer à ce projet de traduction ? N'hésitez pas à nous contacter ou par MP ! |
Copyright © 2000-2012 - www.developpez.com