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() ==
110 QModelIndex())? depth : getIndexDepth(index.parent(),depth);
114 void TocWidget::on_depthSL_valueChanged(int depth)
122 void TocWidget::setTreeDepth(int depth)
126 // expanding and then collapsing is probably better,
127 // but my qt 4.1.2 doesn't have expandAll()..
128 //tocTV->expandAll();
129 QModelIndexList indices = tocTV->model()->match(
130 tocTV->model()->index(0,0),
131 Qt::DisplayRole, "*", -1,
132 Qt::MatchWildcard|Qt::MatchRecursive);
134 int size = indices.size();
135 for (int i = 0; i < size; i++) {
136 QModelIndex index = indices[i];
137 if (getIndexDepth(index) < depth_)
138 tocTV->expand(index);
140 tocTV->collapse(index);
144 void TocWidget::on_typeCO_currentIndexChanged(int value)
150 void TocWidget::on_moveUpTB_clicked()
152 enableControls(false);
153 QModelIndexList const & list = tocTV->selectionModel()->selectedIndexes();
154 if (!list.isEmpty()) {
155 enableControls(false);
156 form_->goTo(typeCO->currentIndex(), list[0]);
158 enableControls(true);
163 void TocWidget::on_moveDownTB_clicked()
165 enableControls(false);
166 QModelIndexList const & list = tocTV->selectionModel()->selectedIndexes();
167 if (!list.isEmpty()) {
168 enableControls(false);
169 form_->goTo(typeCO->currentIndex(), list[0]);
170 form_->outlineDown();
171 enableControls(true);
176 void TocWidget::on_moveInTB_clicked()
178 enableControls(false);
179 QModelIndexList const & list = tocTV->selectionModel()->selectedIndexes();
180 if (!list.isEmpty()) {
181 enableControls(false);
182 form_->goTo(typeCO->currentIndex(), list[0]);
184 enableControls(true);
189 void TocWidget::on_moveOutTB_clicked()
191 QModelIndexList const & list = tocTV->selectionModel()->selectedIndexes();
192 if (!list.isEmpty()) {
193 enableControls(false);
194 form_->goTo(typeCO->currentIndex(), list[0]);
196 enableControls(true);
201 void TocWidget::select(QModelIndex const & index)
203 if (!index.isValid()) {
205 << "TocWidget::select(): QModelIndex is invalid!" << endl;
209 // FIXME: The TocBackend infrastructure is not ready for LOF and LOT
210 // This is because a proper ParConstIterator is not constructed in
211 // InsetCaption::addToToc()
212 if(!form_->canOutline(typeCO->currentIndex()))
215 disconnectSelectionModel();
216 tocTV->setCurrentIndex(index);
217 tocTV->scrollTo(index);
218 reconnectSelectionModel();
222 void TocWidget::enableControls(bool enable)
224 updateTB->setEnabled(enable);
226 if (!form_->canOutline(typeCO->currentIndex()))
229 moveUpTB->setEnabled(enable);
230 moveDownTB->setEnabled(enable);
231 moveInTB->setEnabled(enable);
232 moveOutTB->setEnabled(enable);
234 depthSL->setEnabled(enable);
238 void TocWidget::update()
240 LYXERR(Debug::GUI) << "In TocWidget::update()" << endl;
241 select(form_->getCurrentIndex(typeCO->currentIndex()));
246 void TocWidget::updateGui()
248 vector<docstring> const & type_names = form_->typeNames();
249 if (type_names.empty()) {
250 enableControls(false);
252 tocTV->setModel(new QStandardItemModel);
253 tocTV->setEditTriggers(QAbstractItemView::NoEditTriggers);
257 QString current_text = typeCO->currentText();
258 lyxerr << "current_text " << fromqstr(current_text) << endl;
259 typeCO->blockSignals(true);
261 int current_type = -1;
262 for (size_t i = 0; i != type_names.size(); ++i) {
263 QString item = toqstr(type_names[i]);
264 typeCO->addItem(item);
265 if (item == current_text)
268 if (current_type != -1)
269 typeCO->setCurrentIndex(current_type);
271 typeCO->setCurrentIndex(form_->selectedType());
272 typeCO->blockSignals(false);
274 setTocModel(typeCO->currentIndex());
278 void TocWidget::setTocModel(size_t type)
280 bool controls_enabled = false;
281 QStandardItemModel * toc_model = form_->tocModel(type);
283 controls_enabled = toc_model->rowCount() > 0;
284 tocTV->setModel(toc_model);
285 tocTV->setEditTriggers(QAbstractItemView::NoEditTriggers);
288 enableControls(controls_enabled);
290 reconnectSelectionModel();
292 if (controls_enabled) {
293 depthSL->setMaximum(form_->getTocDepth(type));
294 depthSL->setValue(depth_);
297 LYXERR(Debug::GUI) << "In TocWidget::updateGui()" << endl;
299 select(form_->getCurrentIndex(typeCO->currentIndex()));
303 << "form_->tocModel()->rowCount "
304 << toc_model->rowCount()
305 << "\nform_->tocModel()->columnCount "
306 << toc_model->columnCount()
312 void TocWidget::reconnectSelectionModel()
314 connect(tocTV->selectionModel(),
315 SIGNAL(currentChanged(const QModelIndex &,
316 const QModelIndex &)),
318 SLOT(selectionChanged(const QModelIndex &,
319 const QModelIndex &)));
322 void TocWidget::disconnectSelectionModel()
324 disconnect(tocTV->selectionModel(),
325 SIGNAL(currentChanged(const QModelIndex &,
326 const QModelIndex &)),
328 SLOT(selectionChanged(const QModelIndex &,
329 const QModelIndex &)));
332 } // namespace frontend
335 #include "TocWidget_moc.cpp"