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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 "mainwindow.h" |
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45 #include "xbelreader.h" |
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46 #include "xbelwriter.h" |
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47 |
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48 //! [0] |
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49 MainWindow::MainWindow() |
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50 { |
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51 QStringList labels; |
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52 labels << tr("Title") << tr("Location"); |
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53 |
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54 treeWidget = new QTreeWidget; |
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55 treeWidget->header()->setResizeMode(QHeaderView::Stretch); |
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56 treeWidget->setHeaderLabels(labels); |
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57 setCentralWidget(treeWidget); |
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58 |
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59 createActions(); |
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60 createMenus(); |
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61 |
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62 statusBar()->showMessage(tr("Ready")); |
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63 |
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64 setWindowTitle(tr("QXmlStream Bookmarks")); |
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65 resize(480, 320); |
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66 } |
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67 //! [0] |
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68 |
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69 //! [1] |
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70 void MainWindow::open() |
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71 { |
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72 QString fileName = |
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73 QFileDialog::getOpenFileName(this, tr("Open Bookmark File"), |
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74 QDir::currentPath(), |
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75 tr("XBEL Files (*.xbel *.xml)")); |
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76 if (fileName.isEmpty()) |
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77 return; |
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78 |
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79 treeWidget->clear(); |
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80 |
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81 |
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82 QFile file(fileName); |
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83 if (!file.open(QFile::ReadOnly | QFile::Text)) { |
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84 QMessageBox::warning(this, tr("QXmlStream Bookmarks"), |
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85 tr("Cannot read file %1:\n%2.") |
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86 .arg(fileName) |
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87 .arg(file.errorString())); |
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88 return; |
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89 } |
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90 |
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91 XbelReader reader(treeWidget); |
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92 if (!reader.read(&file)) { |
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93 QMessageBox::warning(this, tr("QXmlStream Bookmarks"), |
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94 tr("Parse error in file %1:\n\n%2") |
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95 .arg(fileName) |
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96 .arg(reader.errorString())); |
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97 } else { |
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98 statusBar()->showMessage(tr("File loaded"), 2000); |
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99 } |
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100 |
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101 } |
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102 //! [1] |
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103 |
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104 //! [2] |
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105 void MainWindow::saveAs() |
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106 { |
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107 QString fileName = |
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108 QFileDialog::getSaveFileName(this, tr("Save Bookmark File"), |
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109 QDir::currentPath(), |
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110 tr("XBEL Files (*.xbel *.xml)")); |
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111 if (fileName.isEmpty()) |
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112 return; |
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113 |
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114 QFile file(fileName); |
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115 if (!file.open(QFile::WriteOnly | QFile::Text)) { |
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116 QMessageBox::warning(this, tr("QXmlStream Bookmarks"), |
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117 tr("Cannot write file %1:\n%2.") |
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118 .arg(fileName) |
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119 .arg(file.errorString())); |
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120 return; |
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121 } |
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122 |
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123 XbelWriter writer(treeWidget); |
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124 if (writer.writeFile(&file)) |
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125 statusBar()->showMessage(tr("File saved"), 2000); |
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126 } |
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127 //! [2] |
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128 |
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129 //! [3] |
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130 void MainWindow::about() |
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131 { |
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132 QMessageBox::about(this, tr("About QXmlStream Bookmarks"), |
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133 tr("The <b>QXmlStream Bookmarks</b> example demonstrates how to use Qt's " |
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134 "QXmlStream classes to read and write XML documents.")); |
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135 } |
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136 //! [3] |
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137 |
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138 //! [4] |
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139 void MainWindow::createActions() |
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140 { |
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141 openAct = new QAction(tr("&Open..."), this); |
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142 openAct->setShortcuts(QKeySequence::Open); |
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143 connect(openAct, SIGNAL(triggered()), this, SLOT(open())); |
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144 |
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145 saveAsAct = new QAction(tr("&Save As..."), this); |
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146 saveAsAct->setShortcuts(QKeySequence::SaveAs); |
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147 connect(saveAsAct, SIGNAL(triggered()), this, SLOT(saveAs())); |
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148 |
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149 exitAct = new QAction(tr("E&xit"), this); |
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150 exitAct->setShortcuts(QKeySequence::Quit); |
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151 connect(exitAct, SIGNAL(triggered()), this, SLOT(close())); |
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152 |
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153 aboutAct = new QAction(tr("&About"), this); |
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154 connect(aboutAct, SIGNAL(triggered()), this, SLOT(about())); |
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155 |
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156 aboutQtAct = new QAction(tr("About &Qt"), this); |
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157 connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt())); |
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158 } |
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159 //! [4] |
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160 |
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161 //! [5] |
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162 void MainWindow::createMenus() |
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163 { |
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164 fileMenu = menuBar()->addMenu(tr("&File")); |
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165 fileMenu->addAction(openAct); |
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166 fileMenu->addAction(saveAsAct); |
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167 fileMenu->addAction(exitAct); |
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168 |
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169 menuBar()->addSeparator(); |
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170 |
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171 helpMenu = menuBar()->addMenu(tr("&Help")); |
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172 helpMenu->addAction(aboutAct); |
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173 helpMenu->addAction(aboutQtAct); |
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174 } |
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175 //! [5] |