3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
7 * \author Abdelrazak Younes
9 * Full author contact details are available in file CREDITS.
14 #include "TocWidget.h"
17 #include "qt_helpers.h"
18 #include "support/filetools.h"
19 #include "support/lstrings.h"
23 #include <QHeaderView>
24 #include <QPushButton>
25 #include <QTreeWidgetItem>
40 using support::FileName;
41 using support::libFileSearch;
45 TocWidget::TocWidget(QToc * form, QWidget * parent)
46 : QWidget(parent), form_(form), depth_(0)
50 connect(form, SIGNAL(modelReset()),
53 FileName icon_path = libFileSearch("images", "promote.xpm");
54 moveOutTB->setIcon(QIcon(toqstr(icon_path.absFilename())));
55 icon_path = libFileSearch("images", "demote.xpm");
56 moveInTB->setIcon(QIcon(toqstr(icon_path.absFilename())));
57 icon_path = libFileSearch("images", "up.xpm");
58 moveUpTB->setIcon(QIcon(toqstr(icon_path.absFilename())));
59 icon_path = libFileSearch("images", "down.xpm");
60 moveDownTB->setIcon(QIcon(toqstr(icon_path.absFilename())));
61 icon_path = libFileSearch("images", "reload.xpm");
62 updateTB->setIcon(QIcon(toqstr(icon_path.absFilename())));
65 tocTV->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
69 // hide the pointless QHeader for now
70 // in the future, new columns may appear
71 // like labels, bookmarks, etc...
72 // tocTV->header()->hide();
73 tocTV->header()->setVisible(false);
75 // Only one item selected at a time.
76 tocTV->setSelectionMode(QAbstractItemView::SingleSelection);
80 void TocWidget::selectionChanged(const QModelIndex & current,
81 const QModelIndex & /*previous*/)
84 << "selectionChanged index " << current.row()
85 << ", " << current.column()
88 form_->goTo(typeCO->currentIndex(), current);
92 void TocWidget::on_updateTB_clicked()
94 // The backend update can take some time so we disable
95 // the controls while waiting.
96 enableControls(false);
97 form_->updateBackend();
100 /* FIXME (Ugras 17/11/06):
101 I have implemented a getIndexDepth function to get the model indices. In my
102 opinion, somebody should derive a new qvariant class for tocModelItem
103 which saves the string data and depth information. that will save the
106 int TocWidget::getIndexDepth(QModelIndex const & index, int depth)
109 return (index.parent() == QModelIndex())? depth : getIndexDepth(index.parent(),depth);
113 void TocWidget::on_depthSL_valueChanged(int depth)
121 void TocWidget::setTreeDepth(int depth)
125 // expanding and then collapsing is probably better,
126 // but my qt 4.1.2 doesn't have expandAll()..
127 //tocTV->expandAll();
128 QModelIndexList indices = tocTV->model()->match(
129 tocTV->model()->index(0,0),
130 Qt::DisplayRole, "*", -1,
131 Qt::MatchWildcard|Qt::MatchRecursive);
133 int size = indices.size();
134 for (int i = 0; i < size; i++) {
135 QModelIndex index = indices[i];
136 if (getIndexDepth(index) < depth_)
137 tocTV->expand(index);
139 tocTV->collapse(index);
143 void TocWidget::on_typeCO_currentIndexChanged(int value)
149 void TocWidget::on_moveUpTB_clicked()
151 enableControls(false);
152 QModelIndexList const & list = tocTV->selectionModel()->selectedIndexes();
153 if (!list.isEmpty()) {
154 enableControls(false);
155 form_->goTo(typeCO->currentIndex(), list[0]);
157 enableControls(true);
162 void TocWidget::on_moveDownTB_clicked()
164 enableControls(false);
165 QModelIndexList const & list = tocTV->selectionModel()->selectedIndexes();
166 if (!list.isEmpty()) {
167 enableControls(false);
168 form_->goTo(typeCO->currentIndex(), list[0]);
169 form_->outlineDown();
170 enableControls(true);
175 void TocWidget::on_moveInTB_clicked()
177 enableControls(false);
178 QModelIndexList const & list = tocTV->selectionModel()->selectedIndexes();
179 if (!list.isEmpty()) {
180 enableControls(false);
181 form_->goTo(typeCO->currentIndex(), list[0]);
183 enableControls(true);
188 void TocWidget::on_moveOutTB_clicked()
190 QModelIndexList const & list = tocTV->selectionModel()->selectedIndexes();
191 if (!list.isEmpty()) {
192 enableControls(false);
193 form_->goTo(typeCO->currentIndex(), list[0]);
195 enableControls(true);
200 void TocWidget::select(QModelIndex const & index)
202 if (!index.isValid()) {
204 << "TocWidget::select(): QModelIndex is invalid!" << endl;
208 tocTV->selectionModel()->blockSignals(true);
209 tocTV->selectionModel()->clear();
210 tocTV->scrollTo(index);
211 tocTV->selectionModel()->setCurrentIndex(index,
212 QItemSelectionModel::ClearAndSelect);
213 tocTV->selectionModel()->blockSignals(false);
217 void TocWidget::enableControls(bool enable)
219 updateTB->setEnabled(enable);
221 if (!form_->canOutline(typeCO->currentIndex()))
224 moveUpTB->setEnabled(enable);
225 moveDownTB->setEnabled(enable);
226 moveInTB->setEnabled(enable);
227 moveOutTB->setEnabled(enable);
229 depthSL->setEnabled(enable);
233 void TocWidget::update()
235 LYXERR(Debug::GUI) << "In TocWidget::update()" << endl;
236 select(form_->getCurrentIndex(typeCO->currentIndex()));
241 void TocWidget::updateGui()
243 vector<docstring> const & type_names = form_->typeNames();
244 if (type_names.empty()) {
245 enableControls(false);
247 tocTV->setModel(new QStandardItemModel);
248 tocTV->setEditTriggers(QAbstractItemView::NoEditTriggers);
252 QString current_text = typeCO->currentText();
253 lyxerr << "current_text " << fromqstr(current_text) << endl;
254 typeCO->blockSignals(true);
255 int current_type = -1;
256 for (size_t i = 0; i != type_names.size(); ++i) {
257 QString item = toqstr(type_names[i]);
258 typeCO->addItem(item);
259 if (item == current_text)
262 if (current_type != -1)
263 typeCO->setCurrentIndex(current_type);
265 typeCO->setCurrentIndex(form_->selectedType());
266 typeCO->blockSignals(false);
268 setTocModel(typeCO->currentIndex());
272 void TocWidget::setTocModel(size_t type)
274 bool controls_enabled = false;
275 QStandardItemModel * toc_model = form_->tocModel(type);
277 controls_enabled = toc_model->rowCount() > 0;
278 tocTV->setModel(toc_model);
279 tocTV->setEditTriggers(QAbstractItemView::NoEditTriggers);
282 enableControls(controls_enabled);
284 reconnectSelectionModel();
286 if (controls_enabled) {
287 depthSL->setMaximum(form_->getTocDepth(type));
288 depthSL->setValue(depth_);
291 LYXERR(Debug::GUI) << "In TocWidget::updateGui()" << endl;
293 select(form_->getCurrentIndex(typeCO->currentIndex()));
297 << "form_->tocModel()->rowCount "
298 << toc_model->rowCount()
299 << "\nform_->tocModel()->columnCount "
300 << toc_model->columnCount()
306 void TocWidget::reconnectSelectionModel()
308 connect(tocTV->selectionModel(),
309 SIGNAL(currentChanged(const QModelIndex &, const QModelIndex &)),
310 this, SLOT(selectionChanged(const QModelIndex &, const QModelIndex &)));
313 } // namespace frontend
316 #include "TocWidget_moc.cpp"