<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>Qt 4.2: xbelhandler.cpp Example File (xml/saxbookmarks/xbelhandler.cpp)</title>
<link href="classic.css" rel="stylesheet" type="text/css" />
</head>
<body>
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr>
<td align="left" valign="top" width="32"><a href="http://www.trolltech.com/products/qt"><img src="images/qt-logo.png" align="left" width="32" height="32" border="0" /></a></td>
<td width="1"> </td><td class="postheader" valign="center"><a href="index.html"><font color="#004faf">Home</font></a> · <a href="classes.html"><font color="#004faf">All Classes</font></a> · <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> · <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> · <a href="modules.html"><font color="#004faf">Modules</font></a> · <a href="functions.html"><font color="#004faf">Functions</font></a></td>
<td align="right" valign="top" width="230"><a href="http://www.trolltech.com"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></a></td></tr></table><h1 align="center">xbelhandler.cpp Example File<br /><sup><sup>xml/saxbookmarks/xbelhandler.cpp</sup></sup></h1>
<pre> /****************************************************************************
**
** Copyright (C) 2005-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 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 GNU
** General Public Licensing requirements will be met:
** http:<span class="comment">//www.trolltech.com/products/qt/opensource.html</span>
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http:<span class="comment">//www.trolltech.com/products/qt/licensing.html or contact the</span>
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#include <QtGui>
#include "xbelhandler.h"
XbelHandler::XbelHandler(QTreeWidget *treeWidget)
: treeWidget(treeWidget)
{
item = 0;
metXbelTag = false;
QStyle *style = treeWidget->style();
folderIcon.addPixmap(style->standardPixmap(QStyle::SP_DirClosedIcon),
QIcon::Normal, QIcon::Off);
folderIcon.addPixmap(style->standardPixmap(QStyle::SP_DirOpenIcon),
QIcon::Normal, QIcon::On);
bookmarkIcon.addPixmap(style->standardPixmap(QStyle::SP_FileIcon));
}
bool XbelHandler::startElement(const QString & /* namespaceURI */,
const QString & /* localName */,
const QString &qName,
const QXmlAttributes &attributes)
{
if (!metXbelTag && qName != "xbel") {
errorStr = QObject::tr("The file is not an XBEL file.");
return false;
}
if (qName == "xbel") {
QString version = attributes.value("version");
if (!version.isEmpty() && version != "1.0") {
errorStr = QObject::tr("The file is not an XBEL version 1.0 file.");
return false;
}
metXbelTag = true;
} else if (qName == "folder") {
item = createChildItem(qName);
item->setFlags(item->flags() | Qt::ItemIsEditable);
item->setIcon(0, folderIcon);
item->setText(0, QObject::tr("Folder"));
bool folded = (attributes.value("folded") != "no");
treeWidget->setItemExpanded(item, !folded);
} else if (qName == "bookmark") {
item = createChildItem(qName);
item->setFlags(item->flags() | Qt::ItemIsEditable);
item->setIcon(0, bookmarkIcon);
item->setText(0, QObject::tr("Unknown title"));
item->setText(1, attributes.value("href"));
} else if (qName == "separator") {
item = createChildItem(qName);
item->setFlags(item->flags() & ~Qt::ItemIsSelectable);
item->setText(0, QString(30, 0xB7));
}
currentText.clear();
return true;
}
bool XbelHandler::endElement(const QString & /* namespaceURI */,
const QString & /* localName */,
const QString &qName)
{
if (qName == "title") {
if (item)
item->setText(0, currentText);
} else if (qName == "folder" || qName == "bookmark"
|| qName == "separator") {
item = item->parent();
}
return true;
}
bool XbelHandler::characters(const QString &str)
{
currentText += str;
return true;
}
bool XbelHandler::fatalError(const QXmlParseException &exception)
{
QMessageBox::information(treeWidget->window(), QObject::tr("SAX Bookmarks"),
QObject::tr("Parse error at line %1, column %2:\n"
"%3")
.arg(exception.lineNumber())
.arg(exception.columnNumber())
.arg(exception.message()));
return false;
}
QString XbelHandler::errorString() const
{
return errorStr;
}
QTreeWidgetItem *XbelHandler::createChildItem(const QString &tagName)
{
QTreeWidgetItem *childItem;
if (item) {
childItem = new QTreeWidgetItem(item);
} else {
childItem = new QTreeWidgetItem(treeWidget);
}
childItem->setData(0, Qt::UserRole, tagName);
return childItem;
}</pre>
<p /><address><hr /><div align="center">
<table width="100%" cellspacing="0" border="0"><tr class="address">
<td width="30%">Copyright © 2006 <a href="trolltech.html">Trolltech</a></td>
<td width="40%" align="center"><a href="trademarks.html">Trademarks</a></td>
<td width="30%" align="right"><div align="right">Qt 4.2.1</div></td>
</tr></table></div></address></body>
</html>
