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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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     7 ** This file is part of the examples of the Qt Toolkit.

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    16 ** GNU Lesser General Public License Usage

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    38 ** $QT_END_LICENSE$

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    40 ****************************************************************************/

    41 

    42 #include <QtGui>

    43 

    44 #include "xbelhandler.h"

    45 

    46 XbelHandler::XbelHandler(QTreeWidget *treeWidget)

    47     : treeWidget(treeWidget)

    48 {

    49     item = 0;

    50     metXbelTag = false;

    51 

    52     QStyle *style = treeWidget->style();

    53 

    54     folderIcon.addPixmap(style->standardPixmap(QStyle::SP_DirClosedIcon),

    55                          QIcon::Normal, QIcon::Off);

    56     folderIcon.addPixmap(style->standardPixmap(QStyle::SP_DirOpenIcon),

    57                          QIcon::Normal, QIcon::On);

    58     bookmarkIcon.addPixmap(style->standardPixmap(QStyle::SP_FileIcon));

    59 }

    60 

    61 bool XbelHandler::startElement(const QString & /* namespaceURI */,

    62                                const QString & /* localName */,

    63                                const QString &qName,

    64                                const QXmlAttributes &attributes)

    65 {

    66     if (!metXbelTag && qName != "xbel") {

    67         errorStr = QObject::tr("The file is not an XBEL file.");

    68         return false;

    69     }

    70 

    71     if (qName == "xbel") {

    72         QString version = attributes.value("version");

    73         if (!version.isEmpty() && version != "1.0") {

    74             errorStr = QObject::tr("The file is not an XBEL version 1.0 file.");

    75             return false;

    76         }

    77         metXbelTag = true;

    78     } else if (qName == "folder") {

    79         item = createChildItem(qName);

    80         item->setFlags(item->flags() | Qt::ItemIsEditable);

    81         item->setIcon(0, folderIcon);

    82         item->setText(0, QObject::tr("Folder"));

    83         bool folded = (attributes.value("folded") != "no");

    84         treeWidget->setItemExpanded(item, !folded);

    85     } else if (qName == "bookmark") {

    86         item = createChildItem(qName);

    87         item->setFlags(item->flags() | Qt::ItemIsEditable);

    88         item->setIcon(0, bookmarkIcon);

    89         item->setText(0, QObject::tr("Unknown title"));

    90         item->setText(1, attributes.value("href"));

    91     } else if (qName == "separator") {

    92         item = createChildItem(qName);

    93         item->setFlags(item->flags() & ~Qt::ItemIsSelectable);

    94         item->setText(0, QString(30, 0xB7));

    95     }

    96 

    97     currentText.clear();

    98     return true;

    99 }

   100 

   101 bool XbelHandler::endElement(const QString & /* namespaceURI */,

   102                              const QString & /* localName */,

   103                              const QString &qName)

   104 {

   105     if (qName == "title") {

   106         if (item)

   107             item->setText(0, currentText);

   108     } else if (qName == "folder" || qName == "bookmark"

   109                || qName == "separator") {

   110         item = item->parent();

   111     }

   112     return true;

   113 }

   114 

   115 bool XbelHandler::characters(const QString &str)

   116 {

   117     currentText += str;

   118     return true;

   119 }

   120 

   121 bool XbelHandler::fatalError(const QXmlParseException &exception)

   122 {

   123     QMessageBox::information(treeWidget->window(), QObject::tr("SAX Bookmarks"),

   124                              QObject::tr("Parse error at line %1, column %2:\n"

   125                                          "%3")

   126                              .arg(exception.lineNumber())

   127                              .arg(exception.columnNumber())

   128                              .arg(exception.message()));

   129     return false;

   130 }

   131 

   132 QString XbelHandler::errorString() const

   133 {

   134     return errorStr;

   135 }

   136 

   137 QTreeWidgetItem *XbelHandler::createChildItem(const QString &tagName)

   138 {

   139     QTreeWidgetItem *childItem;

   140     if (item) {

   141         childItem = new QTreeWidgetItem(item);

   142     } else {

   143         childItem = new QTreeWidgetItem(treeWidget);

   144     }

   145     childItem->setData(0, Qt::UserRole, tagName);

   146     return childItem;

   147 }