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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 "findfiledialog.h" |
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45 |
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46 //! [0] |
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47 FindFileDialog::FindFileDialog(QTextEdit *editor, QAssistantClient *assistant, |
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48 QWidget *parent) |
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49 : QDialog(parent) |
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50 { |
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51 currentAssistantClient = assistant; |
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52 currentEditor = editor; |
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53 //! [0] |
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54 |
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55 createButtons(); |
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56 createComboBoxes(); |
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57 createFilesTree(); |
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58 createLabels(); |
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59 createLayout(); |
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60 |
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61 directoryComboBox->addItem(QDir::toNativeSeparators(QDir::currentPath())); |
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62 fileNameComboBox->addItem("*"); |
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63 findFiles(); |
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64 |
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65 setWindowTitle(tr("Find File")); |
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66 //! [1] |
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67 } |
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68 //! [1] |
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69 |
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70 void FindFileDialog::browse() |
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71 { |
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72 QString currentDirectory = directoryComboBox->currentText(); |
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73 QString newDirectory = QFileDialog::getExistingDirectory(this, |
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74 tr("Select Directory"), currentDirectory); |
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75 if (!newDirectory.isEmpty()) { |
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76 directoryComboBox->addItem(QDir::toNativeSeparators(newDirectory)); |
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77 directoryComboBox->setCurrentIndex(directoryComboBox->count() - 1); |
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78 update(); |
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79 } |
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80 } |
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81 |
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82 //! [2] |
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83 void FindFileDialog::help() |
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84 { |
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85 currentAssistantClient->showPage(QLibraryInfo::location(QLibraryInfo::ExamplesPath) + |
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86 QDir::separator() + "assistant/simpletextviewer/documentation/filedialog.html"); |
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87 } |
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88 //! [2] |
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89 |
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90 void FindFileDialog::openFile(QTreeWidgetItem *item) |
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91 { |
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92 if (!item) { |
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93 item = foundFilesTree->currentItem(); |
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94 if (!item) |
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95 return; |
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96 } |
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97 |
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98 QString fileName = item->text(0); |
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99 QString path = directoryComboBox->currentText() + QDir::separator(); |
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100 |
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101 QFile file(path + fileName); |
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102 if (file.open(QIODevice::ReadOnly)) { |
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103 QString data(file.readAll()); |
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104 |
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105 if (fileName.endsWith(".html")) |
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106 currentEditor->setHtml(data); |
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107 else |
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108 currentEditor->setPlainText(data); |
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109 } |
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110 close(); |
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111 } |
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112 |
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113 void FindFileDialog::update() |
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114 { |
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115 findFiles(); |
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116 buttonBox->button(QDialogButtonBox::Open)->setEnabled( |
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117 foundFilesTree->topLevelItemCount() > 0); |
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118 } |
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119 |
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120 void FindFileDialog::findFiles() |
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121 { |
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122 QRegExp filePattern(fileNameComboBox->currentText() + "*"); |
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123 filePattern.setPatternSyntax(QRegExp::Wildcard); |
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124 |
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125 QDir directory(directoryComboBox->currentText()); |
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126 |
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127 QStringList allFiles = directory.entryList(QDir::Files | QDir::NoSymLinks); |
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128 QStringList matchingFiles; |
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129 |
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130 foreach (QString file, allFiles) { |
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131 if (filePattern.exactMatch(file)) |
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132 matchingFiles << file; |
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133 } |
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134 showFiles(matchingFiles); |
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135 } |
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136 |
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137 void FindFileDialog::showFiles(const QStringList &files) |
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138 { |
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139 foundFilesTree->clear(); |
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140 |
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141 for (int i = 0; i < files.count(); ++i) { |
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142 QTreeWidgetItem *item = new QTreeWidgetItem(foundFilesTree); |
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143 item->setText(0, files[i]); |
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144 } |
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145 |
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146 if (files.count() > 0) |
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147 foundFilesTree->setCurrentItem(foundFilesTree->topLevelItem(0)); |
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148 } |
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149 |
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150 void FindFileDialog::createButtons() |
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151 { |
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152 browseButton = new QToolButton; |
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153 browseButton->setText(tr("...")); |
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154 connect(browseButton, SIGNAL(clicked()), this, SLOT(browse())); |
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155 |
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156 buttonBox = new QDialogButtonBox(QDialogButtonBox::Open |
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157 | QDialogButtonBox::Cancel |
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158 | QDialogButtonBox::Help); |
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159 connect(buttonBox, SIGNAL(accepted()), this, SLOT(openFile())); |
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160 connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject())); |
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161 connect(buttonBox, SIGNAL(helpRequested()), this, SLOT(help())); |
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162 } |
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163 |
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164 void FindFileDialog::createComboBoxes() |
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165 { |
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166 directoryComboBox = new QComboBox; |
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167 fileNameComboBox = new QComboBox; |
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168 |
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169 fileNameComboBox->setEditable(true); |
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170 fileNameComboBox->setSizePolicy(QSizePolicy::Expanding, |
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171 QSizePolicy::Preferred); |
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172 |
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173 directoryComboBox->setMinimumContentsLength(30); |
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174 directoryComboBox->setSizeAdjustPolicy( |
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175 QComboBox::AdjustToMinimumContentsLength); |
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176 directoryComboBox->setSizePolicy(QSizePolicy::Expanding, |
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177 QSizePolicy::Preferred); |
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178 |
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179 connect(fileNameComboBox, SIGNAL(editTextChanged(const QString &)), |
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180 this, SLOT(update())); |
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181 connect(directoryComboBox, SIGNAL(currentIndexChanged(const QString &)), |
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182 this, SLOT(update())); |
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183 } |
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184 |
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185 void FindFileDialog::createFilesTree() |
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186 { |
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187 foundFilesTree = new QTreeWidget; |
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188 foundFilesTree->setColumnCount(1); |
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189 foundFilesTree->setHeaderLabels(QStringList(tr("Matching Files"))); |
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190 foundFilesTree->setRootIsDecorated(false); |
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191 foundFilesTree->setSelectionMode(QAbstractItemView::SingleSelection); |
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192 |
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193 connect(foundFilesTree, SIGNAL(itemActivated(QTreeWidgetItem *, int)), |
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194 this, SLOT(openFile(QTreeWidgetItem *))); |
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195 } |
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196 |
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197 void FindFileDialog::createLabels() |
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198 { |
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199 directoryLabel = new QLabel(tr("Search in:")); |
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200 fileNameLabel = new QLabel(tr("File name (including wildcards):")); |
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201 } |
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202 |
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203 void FindFileDialog::createLayout() |
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204 { |
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205 QHBoxLayout *fileLayout = new QHBoxLayout; |
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206 fileLayout->addWidget(fileNameLabel); |
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207 fileLayout->addWidget(fileNameComboBox); |
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208 |
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209 QHBoxLayout *directoryLayout = new QHBoxLayout; |
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210 directoryLayout->addWidget(directoryLabel); |
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211 directoryLayout->addWidget(directoryComboBox); |
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212 directoryLayout->addWidget(browseButton); |
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213 |
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214 QVBoxLayout *mainLayout = new QVBoxLayout; |
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215 mainLayout->addLayout(fileLayout); |
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216 mainLayout->addLayout(directoryLayout); |
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217 mainLayout->addWidget(foundFilesTree); |
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218 mainLayout->addStretch(); |
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219 mainLayout->addWidget(buttonBox); |
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220 setLayout(mainLayout); |
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221 } |