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"
20 #include "FuncRequest.h"
23 #include "support/debug.h"
25 #include <QHeaderView>
35 TocWidget::TocWidget(GuiView & gui_view, QWidget * parent)
36 : QWidget(parent), depth_(0), gui_view_(gui_view)
40 moveOutTB->setIcon(QIcon(":/images/promote.png"));
41 moveInTB->setIcon(QIcon(":/images/demote.png"));
42 moveUpTB->setIcon(QIcon(":/images/up.png"));
43 moveDownTB->setIcon(QIcon(":/images/down.png"));
44 updateTB->setIcon(QIcon(":/images/reload.png"));
47 tocTV->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
51 // hide the pointless QHeader for now
52 // in the future, new columns may appear
53 // like labels, bookmarks, etc...
54 // tocTV->header()->hide();
55 tocTV->header()->setVisible(false);
57 // Only one item selected at a time.
58 tocTV->setSelectionMode(QAbstractItemView::SingleSelection);
62 void TocWidget::on_tocTV_activated(QModelIndex const & index)
68 void TocWidget::on_tocTV_clicked(QModelIndex const & index)
75 void TocWidget::goTo(QModelIndex const & index)
77 LYXERR(Debug::GUI, "goto " << index.row()
78 << ", " << index.column());
80 gui_view_.tocModels().goTo(typeCO->currentIndex(), index);
84 void TocWidget::on_updateTB_clicked()
86 // The backend update can take some time so we disable
87 // the controls while waiting.
88 enableControls(false);
89 gui_view_.tocModels().updateBackend();
92 /* FIXME (Ugras 17/11/06):
93 I have implemented a getIndexDepth function to get the model indices. In my
94 opinion, somebody should derive a new qvariant class for tocModelItem
95 which saves the string data and depth information. that will save the
98 int TocWidget::getIndexDepth(QModelIndex const & index, int depth)
101 return (index.parent() == QModelIndex())
102 ? depth : getIndexDepth(index.parent(),depth);
106 void TocWidget::on_depthSL_valueChanged(int depth)
111 gui_view_.setFocus();
115 void TocWidget::setTreeDepth(int depth)
119 // expanding and then collapsing is probably better,
120 // but my qt 4.1.2 doesn't have expandAll()..
121 //tocTV->expandAll();
122 QModelIndexList indices = tocTV->model()->match(
123 tocTV->model()->index(0,0),
124 Qt::DisplayRole, "*", -1,
125 Qt::MatchFlags(Qt::MatchWildcard|Qt::MatchRecursive));
127 int size = indices.size();
128 for (int i = 0; i < size; i++) {
129 QModelIndex index = indices[i];
130 tocTV->setExpanded(index, getIndexDepth(index) < depth_);
135 void TocWidget::on_typeCO_currentIndexChanged(int value)
141 void TocWidget::outline(int func_code)
143 enableControls(false);
144 QModelIndexList const & list = tocTV->selectionModel()->selectedIndexes();
147 enableControls(false);
149 dispatch(FuncRequest(static_cast<FuncCode>(func_code)));
150 enableControls(true);
151 gui_view_.setFocus();
155 void TocWidget::on_moveUpTB_clicked()
157 outline(LFUN_OUTLINE_UP);
161 void TocWidget::on_moveDownTB_clicked()
163 outline(LFUN_OUTLINE_DOWN);
167 void TocWidget::on_moveInTB_clicked()
169 outline(LFUN_OUTLINE_IN);
173 void TocWidget::on_moveOutTB_clicked()
175 outline(LFUN_OUTLINE_OUT);
179 void TocWidget::select(QModelIndex const & index)
181 if (!index.isValid()) {
182 LYXERR(Debug::GUI, "TocWidget::select(): QModelIndex is invalid!");
186 tocTV->scrollTo(index);
187 tocTV->clearSelection();
188 tocTV->setCurrentIndex(index);
192 void TocWidget::enableControls(bool enable)
194 updateTB->setEnabled(enable);
196 if (!gui_view_.tocModels().canOutline(typeCO->currentIndex()))
199 moveUpTB->setEnabled(enable);
200 moveDownTB->setEnabled(enable);
201 moveInTB->setEnabled(enable);
202 moveOutTB->setEnabled(enable);
204 depthSL->setEnabled(enable);
208 void TocWidget::updateView()
210 LYXERR(Debug::GUI, "In TocWidget::updateView()");
211 setTreeDepth(depth_);
212 select(gui_view_.tocModels().currentIndex(typeCO->currentIndex()));
216 void TocWidget::init(QString const & str)
218 QStringList const & type_names = gui_view_.tocModels().typeNames();
219 if (type_names.isEmpty()) {
220 enableControls(false);
222 tocTV->setModel(new QStandardItemModel);
223 tocTV->setEditTriggers(QAbstractItemView::NoEditTriggers);
227 int selected_type = gui_view_.tocModels().decodeType(str);
229 QString const current_text = typeCO->currentText();
230 typeCO->blockSignals(true);
232 for (int i = 0; i != type_names.size(); ++i)
233 typeCO->addItem(type_names[i]);
235 typeCO->setCurrentIndex(selected_type);
237 int const new_index = typeCO->findText(current_text);
239 typeCO->setCurrentIndex(new_index);
241 typeCO->setCurrentIndex(selected_type);
244 typeCO->blockSignals(false);
246 setTocModel(typeCO->currentIndex());
250 void TocWidget::setTocModel(size_t type)
252 bool controls_enabled = false;
253 QStandardItemModel * toc_model = gui_view_.tocModels().model(type);
255 controls_enabled = toc_model->rowCount() > 0;
256 tocTV->setModel(toc_model);
257 tocTV->setEditTriggers(QAbstractItemView::NoEditTriggers);
258 LYXERR(Debug::GUI, "tocModel()->rowCount "
259 << toc_model->rowCount()
260 << "\nform_->tocModel()->columnCount "
261 << toc_model->columnCount());
264 enableControls(controls_enabled);
266 if (controls_enabled) {
267 depthSL->setMaximum(gui_view_.tocModels().depth(type));
268 depthSL->setValue(depth_);
271 // setTocModel produce QTreeView reset and setting depth again
272 // is needed. That must be done after all Qt updates are processed.
273 QTimer::singleShot(0, this, SLOT(updateView()));
276 } // namespace frontend
279 #include "TocWidget_moc.cpp"