|  | Home · All Namespaces · All Classes · Main Classes · Grouped Classes · Modules · Functions |

# xbelhandler.cpp Example File
xml/saxbookmarks/xbelhandler.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2005-2008 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 versions 2.0 or 3.0 as published by the Free Software
     ** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
     ** included in the packaging of this file.  Alternatively you may (at
     ** your option) use any later version of the GNU General Public
     ** License if such license has been publicly approved by Trolltech ASA
     ** (or its successors, if any) and the KDE Free Qt Foundation. In
     ** addition, as a special exception, Trolltech gives you certain
     ** additional rights. These rights are described in the Trolltech GPL
     ** Exception version 1.2, which can be found at
     ** http://www.trolltech.com/products/qt/gplexception/ and in the file
     ** GPL_EXCEPTION.txt in this package.
     **
     ** Please review the following information to ensure GNU General
     ** Public Licensing requirements will be met:
     ** http://trolltech.com/products/qt/licenses/licensing/opensource/. If
     ** you are unsure which license is appropriate for your use, please
     ** review the following information:
     ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
     ** or contact the sales department at sales@trolltech.com.
     **
     ** In addition, as a special exception, Trolltech, as the sole
     ** copyright holder for Qt Designer, grants users of the Qt/Eclipse
     ** Integration plug-in the right for the Qt/Eclipse Integration to
     ** link to functionality provided by Qt Designer and its related
     ** libraries.
     **
     ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
     ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
     ** A PARTICULAR PURPOSE. Trolltech reserves all rights not expressly
     ** granted herein.
     **
     ** 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;
     }