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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the documentation 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 "xmlwriter.h"
MainWindow::MainWindow()
{
QMenu *fileMenu = new QMenu(tr("&File"));
QAction *saveAction = fileMenu->addAction(tr("&Save..."));
saveAction->setShortcut(tr("Ctrl+S"));
QAction *quitAction = fileMenu->addAction(tr("E&xit"));
quitAction->setShortcut(tr("Ctrl+Q"));
menuBar()->addMenu(fileMenu);
editor = new QTextEdit();
QTextCursor cursor(editor->textCursor());
cursor.movePosition(QTextCursor::Start);
QTextFrame *mainFrame = cursor.currentFrame();
QTextCharFormat plainCharFormat;
QTextCharFormat boldCharFormat;
boldCharFormat.setFontWeight(QFont::Bold);
/* main frame
//! [0]
QTextFrame *mainFrame = cursor.currentFrame();
cursor.insertText(...);
//! [0]
*/
cursor.insertText("Text documents are represented by the "
"QTextDocument class, rather than by QString objects. "
"Each QTextDocument object contains information about "
"the document's internal representation, its structure, "
"and keeps track of modifications to provide undo/redo "
"facilities. This approach allows features such as the "
"layout management to be delegated to specialized "
"classes, but also provides a focus for the framework.",
plainCharFormat);
//! [1]
QTextFrameFormat frameFormat;
frameFormat.setMargin(32);
frameFormat.setPadding(8);
frameFormat.setBorder(4);
//! [1]
cursor.insertFrame(frameFormat);
/* insert frame
//! [2]
cursor.insertFrame(frameFormat);
cursor.insertText(...);
//! [2]
*/
cursor.insertText("Documents are either converted from external sources "
"or created from scratch using Qt. The creation process "
"can done by an editor widget, such as QTextEdit, or by "
"explicit calls to the Scribe API.", boldCharFormat);
cursor = mainFrame->lastCursorPosition();
/* last cursor
//! [3]
cursor = mainFrame->lastCursorPosition();
cursor.insertText(...);
//! [3]
*/
cursor.insertText("There are two complementary ways to visualize the "
"contents of a document: as a linear buffer that is "
"used by editors to modify the contents, and as an "
"object hierarchy containing structural information "
"that is useful to layout engines. In the hierarchical "
"model, the objects generally correspond to visual "
"elements such as frames, tables, and lists. At a lower "
"level, these elements describe properties such as the "
"style of text used and its alignment. The linear "
"representation of the document is used for editing and "
"manipulation of the document's contents.",
plainCharFormat);
connect(saveAction, SIGNAL(triggered()), this, SLOT(saveFile()));
connect(quitAction, SIGNAL(triggered()), this, SLOT(close()));
setCentralWidget(editor);
setWindowTitle(tr("Text Document Frames"));
}
void MainWindow::saveFile()
{
QString fileName = QFileDialog::getSaveFileName(this,
tr("Save document as:"), "", tr("XML (*.xml)"));
if (!fileName.isEmpty()) {
if (writeXml(fileName))
setWindowTitle(fileName);
else
QMessageBox::warning(this, tr("Warning"),
tr("Failed to save the document."), QMessageBox::Cancel,
QMessageBox::NoButton);
}
}
bool MainWindow::writeXml(const QString &fileName)
{
XmlWriter documentWriter(editor->document());
QDomDocument *domDocument = documentWriter.toXml();
QFile file(fileName);
if (file.open(QFile::WriteOnly)) {
QTextStream textStream(&file);
textStream.setCodec(QTextCodec::codecForName("UTF-8"));
textStream << domDocument->toString(1).toUtf8();
file.close();
return true;
}
else
return false;
}
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