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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the examples of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #include <QtGui> |
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43 |
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44 #include "xbelreader.h" |
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45 |
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46 //! [0] |
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47 XbelReader::XbelReader(QTreeWidget *treeWidget) |
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48 : treeWidget(treeWidget) |
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49 { |
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50 QStyle *style = treeWidget->style(); |
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51 |
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52 folderIcon.addPixmap(style->standardPixmap(QStyle::SP_DirClosedIcon), |
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53 QIcon::Normal, QIcon::Off); |
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54 folderIcon.addPixmap(style->standardPixmap(QStyle::SP_DirOpenIcon), |
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55 QIcon::Normal, QIcon::On); |
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56 bookmarkIcon.addPixmap(style->standardPixmap(QStyle::SP_FileIcon)); |
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57 } |
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58 //! [0] |
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59 |
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60 //! [1] |
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61 bool XbelReader::read(QIODevice *device) |
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62 { |
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63 xml.setDevice(device); |
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64 |
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65 if (xml.readNextStartElement()) { |
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66 if (xml.name() == "xbel" && xml.attributes().value("version") == "1.0") |
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67 readXBEL(); |
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68 else |
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69 xml.raiseError(QObject::tr("The file is not an XBEL version 1.0 file.")); |
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70 } |
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71 |
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72 return !xml.error(); |
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73 } |
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74 //! [1] |
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75 |
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76 //! [2] |
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77 QString XbelReader::errorString() const |
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78 { |
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79 return QObject::tr("%1\nLine %2, column %3") |
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80 .arg(xml.errorString()) |
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81 .arg(xml.lineNumber()) |
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82 .arg(xml.columnNumber()); |
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83 } |
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84 //! [2] |
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85 |
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86 //! [3] |
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87 void XbelReader::readXBEL() |
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88 { |
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89 Q_ASSERT(xml.isStartElement() && xml.name() == "xbel"); |
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90 |
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91 while (xml.readNextStartElement()) { |
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92 if (xml.name() == "folder") |
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93 readFolder(0); |
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94 else if (xml.name() == "bookmark") |
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95 readBookmark(0); |
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96 else if (xml.name() == "separator") |
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97 readSeparator(0); |
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98 else |
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99 xml.skipCurrentElement(); |
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100 } |
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101 } |
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102 //! [3] |
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103 |
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104 //! [4] |
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105 void XbelReader::readTitle(QTreeWidgetItem *item) |
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106 { |
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107 Q_ASSERT(xml.isStartElement() && xml.name() == "title"); |
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108 |
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109 QString title = xml.readElementText(); |
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110 item->setText(0, title); |
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111 } |
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112 //! [4] |
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113 |
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114 //! [5] |
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115 void XbelReader::readSeparator(QTreeWidgetItem *item) |
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116 { |
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117 Q_ASSERT(xml.isStartElement() && xml.name() == "separator"); |
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118 |
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119 QTreeWidgetItem *separator = createChildItem(item); |
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120 separator->setFlags(item->flags() & ~Qt::ItemIsSelectable); |
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121 separator->setText(0, QString(30, 0xB7)); |
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122 xml.skipCurrentElement(); |
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123 } |
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124 //! [5] |
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125 |
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126 void XbelReader::readFolder(QTreeWidgetItem *item) |
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127 { |
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128 Q_ASSERT(xml.isStartElement() && xml.name() == "folder"); |
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129 |
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130 QTreeWidgetItem *folder = createChildItem(item); |
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131 bool folded = (xml.attributes().value("folded") != "no"); |
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132 treeWidget->setItemExpanded(folder, !folded); |
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133 |
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134 while (xml.readNextStartElement()) { |
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135 if (xml.name() == "title") |
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136 readTitle(folder); |
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137 else if (xml.name() == "folder") |
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138 readFolder(folder); |
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139 else if (xml.name() == "bookmark") |
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140 readBookmark(folder); |
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141 else if (xml.name() == "separator") |
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142 readSeparator(folder); |
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143 else |
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144 xml.skipCurrentElement(); |
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145 } |
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146 } |
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147 |
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148 void XbelReader::readBookmark(QTreeWidgetItem *item) |
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149 { |
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150 Q_ASSERT(xml.isStartElement() && xml.name() == "bookmark"); |
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151 |
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152 QTreeWidgetItem *bookmark = createChildItem(item); |
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153 bookmark->setFlags(bookmark->flags() | Qt::ItemIsEditable); |
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154 bookmark->setIcon(0, bookmarkIcon); |
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155 bookmark->setText(0, QObject::tr("Unknown title")); |
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156 bookmark->setText(1, xml.attributes().value("href").toString()); |
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157 |
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158 while (xml.readNextStartElement()) { |
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159 if (xml.name() == "title") |
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160 readTitle(bookmark); |
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161 else |
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162 xml.skipCurrentElement(); |
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163 } |
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164 } |
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165 |
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166 QTreeWidgetItem *XbelReader::createChildItem(QTreeWidgetItem *item) |
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167 { |
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168 QTreeWidgetItem *childItem; |
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169 if (item) { |
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170 childItem = new QTreeWidgetItem(item); |
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171 } else { |
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172 childItem = new QTreeWidgetItem(treeWidget); |
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173 } |
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174 childItem->setData(0, Qt::UserRole, xml.name().toString()); |
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175 return childItem; |
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176 } |