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annotate src/folderselectdialog.cpp @ 38:26e1521b9afd

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Add the possibility to detach the picture label on doubleclick
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 06 May 2015 18:09:34 +0200
parents 64a51a42c01f
children 213d9163dab0
rev   line source
25
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1 /* Copyright (C) 2015 by ETH Zürich
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU GPL (v>=2)
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5 * and comes with ABSOLUTELY NO WARRANTY!
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6 * See LICENSE.txt for details.
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7 */
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8 #include "folderselectdialog.h"
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9 #include "constants.h"
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10
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11 #include <QSortFilterProxyModel>
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12 #include <QStandardItemModel>
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13 #include <QTableView>
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14 #include <QVBoxLayout>
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15 #include <QLineEdit>
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16 #include <QLabel>
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17 #include <QApplication>
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18 #include <QStyle>
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19 #include <QFileDialog>
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20 #include <QStandardPaths>
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21 #include <QPushButton>
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22 #include <QHeaderView>
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23 #include <QDebug>
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24 #include <QSettings>
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25 #include <QStringList>
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26 #include <QStandardItem>
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27
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28 FolderSelectDialog::FolderSelectDialog(const QString& startFolder,
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29 const QString& folderPattern,
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30 const QString& pathLabel,
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31 QWidget * parent,
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32 Qt::WindowFlags f) :
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33 QDialog(parent, f),
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34 mCurFolder(startFolder),
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35 mFolderPattern(folderPattern),
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36 mPathLabelString(pathLabel),
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37 mPathLabel(NULL),
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38 mPathLineEdit(NULL)
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39 {
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40 mSortModel = new QSortFilterProxyModel();
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41 mModel = new QStandardItemModel();
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42 mShowPathSelection = !pathLabel.isEmpty();
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43 setupGUI();
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44 if (mShowPathSelection) {
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45 mPathLabel->setText("<b>" + pathLabel + ":</b> ");
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46 }
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47 setFolder(mCurFolder);
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48 }
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49
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50 void FolderSelectDialog::setupGUI() {
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51 QVBoxLayout *base = new QVBoxLayout;
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52 QHBoxLayout *folderChangeArea = new QHBoxLayout;
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53
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54 if (mShowPathSelection) {
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55 mPathLabel = new QLabel;
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56 folderChangeArea->addWidget(mPathLabel);
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57 base->addLayout(folderChangeArea);
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58
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59 QPushButton *folderSelect = new QPushButton();
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60 folderSelect->setToolTip(tr("Select folder"));
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61 folderSelect->setIcon(QApplication::style()->standardIcon(QStyle::SP_DirIcon));
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62 connect(folderSelect, &QPushButton::clicked, this,
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63 &FolderSelectDialog::changeFolderClicked);
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64 folderChangeArea->addWidget(folderSelect);
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65
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66 mPathLineEdit = new QLineEdit;
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67 mPathLineEdit->setClearButtonEnabled(true);
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68 connect(mPathLineEdit, &QLineEdit::textChanged, this,
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69 &FolderSelectDialog::pathLineChanged);
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70 folderChangeArea->addWidget(mPathLineEdit);
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71
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72 mGoButton = new QPushButton(tr("Go"));
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73 mGoButton->setEnabled(false);
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74 folderChangeArea->addWidget(mGoButton);
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75 connect(mGoButton, &QPushButton::clicked, this,
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76 &FolderSelectDialog::goClicked);
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77 }
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78
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79 mFilterWidget = new FilterWidget(mSortModel);
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80 base->addWidget(mFilterWidget);
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81
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82 mView = new QTableView;
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83 mView->setModel(mSortModel);
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84
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85 mView->resizeColumnsToContents();
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86 mView->setSelectionBehavior(QAbstractItemView::SelectRows);
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87 mView->setSelectionMode(QAbstractItemView::SingleSelection);
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88 mView->setSortingEnabled(true);
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89 mView->setEditTriggers(QAbstractItemView::NoEditTriggers);
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90 connect(mView->selectionModel(), &QItemSelectionModel::selectionChanged,
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91 this, &FolderSelectDialog::selectionChanged);
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92 connect(mView, &QTableView::doubleClicked, this,
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93 &FolderSelectDialog::wantToAccept);
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94
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95 base->addWidget(mView);
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96
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97 QHBoxLayout * bottomButtons = new QHBoxLayout;
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98 base->addLayout(bottomButtons);
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99
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100 mOkButton = new QPushButton(tr("Ok"));
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101 mOkButton->setEnabled(false);
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102 connect(mOkButton, &QPushButton::clicked, this,
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103 &FolderSelectDialog::wantToAccept);
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104 bottomButtons->addStretch(-1);
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105 bottomButtons->addWidget(mOkButton);
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106 setLayout(base);
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107 }
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108
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109 void FolderSelectDialog::selectionChanged (const QItemSelection& selected,
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110 const QItemSelection& deselected) {
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111 mOkButton->setEnabled(!selected.indexes().isEmpty());
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112 }
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113
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114 void FolderSelectDialog::pathLineChanged() {
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115 const QString path = mPathLineEdit->text();
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116 qDebug() << "path: " << path;
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117 if (path.isEmpty()) {
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118 mGoButton->setEnabled(false);
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119 return;
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120 }
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121 QDir dir(path);
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122 if (dir.exists()) {
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123 mGoButton->setEnabled(true);
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124 return;
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125 }
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126 mGoButton->setEnabled(false);
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127 }
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128
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129
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130 void FolderSelectDialog::goClicked() {
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131 setFolder(mPathLineEdit->text());
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132 QSettings settings;
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133 /* assuming go is only available in root folder mode */
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134 settings.setValue(ROOT_FOLDER_KEY, mPathLineEdit->text());
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135 }
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136
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137 void FolderSelectDialog::setFolder(const QString& folder) {
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138 mCurFolder = folder;
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139 if (mPathLineEdit) {
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140 mPathLineEdit->setText(mCurFolder);
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141 }
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142
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143 QStringList columns = mFolderPattern.split(PATTERN_SEPERATOR);
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144 mModel->clear();
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145 mModel->setHorizontalHeaderLabels(columns);
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146 QDir dir(folder);
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147 qDebug() << "Folder set to: " << folder;
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148 foreach (const QString & subfolder, dir.entryList(QDir::Dirs |
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149 QDir::Readable |
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150 QDir::NoDotAndDotDot)) {
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151 qDebug() << "Looking at: " << subfolder;
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152 QStringList itemData = subfolder.split(PATTERN_SEPERATOR);
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153 if (itemData.size() != columns.size()) {
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154 qDebug() << "Failed to parse: " << subfolder;
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155 continue;
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156 }
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157 QList<QStandardItem*> items;
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158 foreach (const QString& part, itemData) {
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159 QStandardItem * item = new QStandardItem(part);
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160 item->setData(dir.absoluteFilePath(subfolder));
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161 items.append(item);
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162 }
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163 mModel->appendRow(items);
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164 }
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165 mSortModel->setSourceModel(mModel);
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166 }
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167
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168 void FolderSelectDialog::wantToAccept() {
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169 QItemSelectionModel *selection = mView->selectionModel();
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170 QModelIndexList selected = selection->selectedIndexes();
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171 if (selected.isEmpty()) { /* Ok should not be enabled in that case */
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172 return;
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173 }
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174 const QString folder = selected[0].data(Qt::UserRole + 1).toString();
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175
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176 emit folderSelected(folder);
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177 accept();
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178 }
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179
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180 void FolderSelectDialog::changeFolderClicked()
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181 {
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182 const QString oldFolder = mCurFolder;
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183 const QString startLoc = mCurFolder.isEmpty() ?
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184 QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation) :
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185 mCurFolder;
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186
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187 QString outFolder = QFileDialog::getExistingDirectory(
12
971bd39a6116 German translations
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188 this, tr("Select %1").arg(mPathLabelString),
9
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189 startLoc);
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190 if (outFolder.isEmpty()) {
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191 /* User aborted */
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192 return;
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193 }
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194 setFolder(outFolder);
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195 }
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