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)
114 void TocWidget::setTreeDepth(int depth)
118 // expanding and then collapsing is probably better,
119 // but my qt 4.1.2 doesn't have expandAll()..
120 //tocTV->expandAll();
121 QModelIndexList indices = tocTV->model()->match(
122 tocTV->model()->index(0,0),
123 Qt::DisplayRole, "*", -1,
124 Qt::MatchFlags(Qt::MatchWildcard|Qt::MatchRecursive));
126 int size = indices.size();
127 for (int i = 0; i < size; i++) {
128 QModelIndex index = indices[i];
129 tocTV->setExpanded(index, getIndexDepth(index) < depth_);
134 void TocWidget::on_typeCO_currentIndexChanged(int value)
140 void TocWidget::outline(int func_code)
142 enableControls(false);
143 QModelIndexList const & list = tocTV->selectionModel()->selectedIndexes();
146 enableControls(false);
148 dispatch(FuncRequest(static_cast<FuncCode>(func_code)));
149 enableControls(true);
153 void TocWidget::on_moveUpTB_clicked()
155 outline(LFUN_OUTLINE_UP);
159 void TocWidget::on_moveDownTB_clicked()
161 outline(LFUN_OUTLINE_DOWN);
165 void TocWidget::on_moveInTB_clicked()
167 outline(LFUN_OUTLINE_IN);
171 void TocWidget::on_moveOutTB_clicked()
173 outline(LFUN_OUTLINE_OUT);
177 void TocWidget::select(QModelIndex const & index)
179 if (!index.isValid()) {
180 LYXERR(Debug::GUI, "TocWidget::select(): QModelIndex is invalid!");
184 tocTV->scrollTo(index);
185 tocTV->clearSelection();
186 tocTV->setCurrentIndex(index);
190 void TocWidget::enableControls(bool enable)
192 updateTB->setEnabled(enable);
194 if (!gui_view_.tocModels().canOutline(typeCO->currentIndex()))
197 moveUpTB->setEnabled(enable);
198 moveDownTB->setEnabled(enable);
199 moveInTB->setEnabled(enable);
200 moveOutTB->setEnabled(enable);
202 depthSL->setEnabled(enable);
206 void TocWidget::updateView()
208 LYXERR(Debug::GUI, "In TocWidget::updateView()");
209 setTreeDepth(depth_);
210 select(gui_view_.tocModels().currentIndex(typeCO->currentIndex()));
214 void TocWidget::init(QString const & str)
216 QStringList const & type_names = gui_view_.tocModels().typeNames();
217 if (type_names.isEmpty()) {
218 enableControls(false);
220 tocTV->setModel(new QStandardItemModel);
221 tocTV->setEditTriggers(QAbstractItemView::NoEditTriggers);
225 int selected_type = gui_view_.tocModels().decodeType(str);
227 QString const current_text = typeCO->currentText();
228 typeCO->blockSignals(true);
230 for (int i = 0; i != type_names.size(); ++i)
231 typeCO->addItem(type_names[i]);
233 typeCO->setCurrentIndex(selected_type);
235 int const new_index = typeCO->findText(current_text);
237 typeCO->setCurrentIndex(new_index);
239 typeCO->setCurrentIndex(selected_type);
242 typeCO->blockSignals(false);
244 setTocModel(typeCO->currentIndex());
248 void TocWidget::setTocModel(size_t type)
250 bool controls_enabled = false;
251 QStandardItemModel * toc_model = gui_view_.tocModels().model(type);
253 controls_enabled = toc_model->rowCount() > 0;
254 tocTV->setModel(toc_model);
255 tocTV->setEditTriggers(QAbstractItemView::NoEditTriggers);
256 LYXERR(Debug::GUI, "tocModel()->rowCount "
257 << toc_model->rowCount()
258 << "\nform_->tocModel()->columnCount "
259 << toc_model->columnCount());
262 enableControls(controls_enabled);
264 if (controls_enabled) {
265 depthSL->setMaximum(gui_view_.tocModels().depth(type));
266 depthSL->setValue(depth_);
269 // setTocModel produce QTreeView reset and setting depth again
270 // is needed. That must be done after all Qt updates are processed.
271 QTimer::singleShot(0, this, SLOT(updateView()));
274 } // namespace frontend
277 #include "TocWidget_moc.cpp"