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"
16 #include "GuiApplication.h"
18 #include "qt_helpers.h"
22 #include "CutAndPaste.h"
23 #include "FuncRequest.h"
26 #include "TocBackend.h"
28 #include "insets/InsetCommand.h"
29 #include "insets/InsetRef.h"
31 #include "support/debug.h"
32 #include "support/lassert.h"
34 #include <QHeaderView>
45 TocWidget::TocWidget(GuiView & gui_view, QWidget * parent)
46 : QWidget(parent), depth_(0), persistent_(false), gui_view_(gui_view)
50 moveOutTB->setIcon(QIcon(getPixmap("images/", "promote", "png")));
51 moveInTB->setIcon(QIcon(getPixmap("images/", "demote", "png")));
52 moveUpTB->setIcon(QIcon(getPixmap("images/", "up", "png")));
53 moveDownTB->setIcon(QIcon(getPixmap("images/", "down", "png")));
54 updateTB->setIcon(QIcon(getPixmap("images/", "reload", "png")));
57 tocTV->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
61 // hide the pointless QHeader for now
62 // in the future, new columns may appear
63 // like labels, bookmarks, etc...
64 // tocTV->header()->hide();
65 tocTV->header()->setVisible(false);
67 // Only one item selected at a time.
68 tocTV->setSelectionMode(QAbstractItemView::SingleSelection);
70 // The toc types combo won't change its model.
71 typeCO->setModel(gui_view_.tocModels().nameModel());
73 // Make sure the buttons are disabled when first shown without a loaded
75 enableControls(false);
77 // make us responsible for the context menu of the tabbar
78 setContextMenuPolicy(Qt::CustomContextMenu);
79 connect(this, SIGNAL(customContextMenuRequested(const QPoint &)),
80 this, SLOT(showContextMenu(const QPoint &)));
81 connect(tocTV, SIGNAL(customContextMenuRequested(const QPoint &)),
82 this, SLOT(showContextMenu(const QPoint &)));
88 void TocWidget::showContextMenu(const QPoint & pos)
90 std::string name = "context-toc-" + fromqstr(current_type_);
91 QMenu * menu = guiApp->menus().menu(toqstr(name), gui_view_);
94 menu->exec(mapToGlobal(pos));
98 void TocWidget::doDispatch(Cursor & cur, FuncRequest const & cmd)
100 QModelIndex const & index = tocTV->currentIndex();
101 TocItem const & item =
102 gui_view_.tocModels().currentItem(current_type_, index);
103 DocIterator const & dit = item.dit();
106 if (current_type_ == "label")
107 inset = dit.nextInset();
109 FuncRequest tmpcmd(cmd);
111 inset->dispatch(cur, tmpcmd);
115 void TocWidget::on_tocTV_activated(QModelIndex const & index)
121 void TocWidget::on_tocTV_pressed(QModelIndex const & index)
123 Qt::MouseButtons const button = QApplication::mouseButtons();
124 if (button & Qt::LeftButton) {
126 gui_view_.setFocus();
131 void TocWidget::goTo(QModelIndex const & index)
133 LYXERR(Debug::GUI, "goto " << index.row()
134 << ", " << index.column());
136 gui_view_.tocModels().goTo(current_type_, index);
140 void TocWidget::on_updateTB_clicked()
142 // The backend update can take some time so we disable
143 // the controls while waiting.
144 enableControls(false);
145 gui_view_.tocModels().updateBackend();
149 void TocWidget::on_sortCB_stateChanged(int state)
151 gui_view_.tocModels().sort(current_type_, state == Qt::Checked);
155 void TocWidget::on_persistentCB_stateChanged(int state)
157 persistent_ = state == Qt::Checked;
161 /* FIXME (Ugras 17/11/06):
162 I have implemented a indexDepth function to get the model indices. In my
163 opinion, somebody should derive a new qvariant class for tocModelItem
164 which saves the string data and depth information. That will save the
165 depth calculation. */
167 static int indexDepth(QModelIndex const & index, int depth = -1)
170 return index.parent() == QModelIndex()
171 ? depth : indexDepth(index.parent(), depth);
175 void TocWidget::on_depthSL_valueChanged(int depth)
180 gui_view_.setFocus();
184 void TocWidget::setTreeDepth(int depth)
190 #if QT_VERSION >= 0x040300
191 // this should be faster than our own code below
193 tocTV->collapseAll();
195 tocTV->expandToDepth(depth - 1);
197 // expanding and then collapsing is probably better,
198 // but my qt 4.1.2 doesn't have expandAll()..
199 //tocTV->expandAll();
200 QModelIndexList indices = tocTV->model()->match(
201 tocTV->model()->index(0, 0),
202 Qt::DisplayRole, "*", -1,
203 Qt::MatchFlags(Qt::MatchWildcard|Qt::MatchRecursive));
205 int size = indices.size();
206 for (int i = 0; i < size; i++) {
207 QModelIndex index = indices[i];
208 tocTV->setExpanded(index, indexDepth(index) < depth_);
214 void TocWidget::on_typeCO_currentIndexChanged(int index)
216 current_type_ = typeCO->itemData(index).toString();
218 gui_view_.setFocus();
222 void TocWidget::outline(int func_code)
224 enableControls(false);
225 QModelIndexList const & list = tocTV->selectionModel()->selectedIndexes();
228 enableControls(false);
230 dispatch(FuncRequest(static_cast<FuncCode>(func_code)));
231 enableControls(true);
232 gui_view_.setFocus();
236 void TocWidget::on_moveUpTB_clicked()
238 outline(LFUN_OUTLINE_UP);
242 void TocWidget::on_moveDownTB_clicked()
244 outline(LFUN_OUTLINE_DOWN);
248 void TocWidget::on_moveInTB_clicked()
250 outline(LFUN_OUTLINE_IN);
254 void TocWidget::on_moveOutTB_clicked()
256 outline(LFUN_OUTLINE_OUT);
260 void TocWidget::select(QModelIndex const & index)
262 if (!index.isValid()) {
263 LYXERR(Debug::GUI, "TocWidget::select(): QModelIndex is invalid!");
267 tocTV->scrollTo(index);
268 tocTV->clearSelection();
269 tocTV->setCurrentIndex(index);
273 /// Test if outlining operation is possible
274 static bool canOutline(QString const & type)
276 return type == "tableofcontents";
280 void TocWidget::enableControls(bool enable)
282 updateTB->setEnabled(enable);
284 if (!canOutline(current_type_))
287 moveUpTB->setEnabled(enable);
288 moveDownTB->setEnabled(enable);
289 moveInTB->setEnabled(enable);
290 moveOutTB->setEnabled(enable);
292 depthSL->setMaximum(0);
293 depthSL->setValue(0);
298 /// Test if synchronized navigation is possible
299 static bool canNavigate(QString const & type)
301 // It is not possible to have synchronous navigation in a correctl
302 // and efficient way with the label type because Toc::item() do a linear
303 // seatch. Even if fixed, it might even not be desirable to do so if we
304 // want to support drag&drop of labels and references.
305 return type != "label" && type != "change";
309 void TocWidget::updateView()
311 if (!gui_view_.view()) {
312 enableControls(false);
313 typeCO->setEnabled(false);
315 tocTV->setEnabled(false);
318 typeCO->setEnabled(true);
319 tocTV->setEnabled(false);
320 tocTV->setUpdatesEnabled(false);
322 QAbstractItemModel * toc_model = gui_view_.tocModels().model(current_type_);
323 if (tocTV->model() != toc_model) {
324 tocTV->setModel(toc_model);
325 tocTV->setEditTriggers(QAbstractItemView::NoEditTriggers);
327 setTreeDepth(depth_);
330 sortCB->blockSignals(true);
331 sortCB->setChecked(gui_view_.tocModels().isSorted(current_type_));
332 sortCB->blockSignals(false);
334 persistentCB->setChecked(persistent_);
336 bool controls_enabled = toc_model && toc_model->rowCount() > 0
337 && !gui_view_.buffer()->isReadonly();
338 enableControls(controls_enabled);
340 depthSL->setMaximum(gui_view_.tocModels().depth(current_type_));
341 depthSL->setValue(depth_);
343 setTreeDepth(depth_);
344 if (canNavigate(current_type_))
345 select(gui_view_.tocModels().currentIndex(current_type_));
346 tocTV->setEnabled(true);
347 tocTV->setUpdatesEnabled(true);
351 static QString decodeType(QString const & str)
354 if (type.contains("tableofcontents")) {
355 type = "tableofcontents";
356 } else if (type.contains("floatlist")) {
357 if (type.contains("\"figure"))
359 else if (type.contains("\"table"))
361 else if (type.contains("\"algorithm"))
368 void TocWidget::init(QString const & str)
372 new_index = typeCO->findData(current_type_);
374 new_index = typeCO->findData(decodeType(str));
376 // If everything else fails, settle on the table of contents which is
377 // guaranted to exist.
378 if (new_index == -1) {
379 current_type_ = "tableofcontents";
380 new_index = typeCO->findData(current_type_);
382 current_type_ = typeCO->itemData(new_index).toString();
385 typeCO->blockSignals(true);
386 typeCO->setCurrentIndex(new_index);
387 typeCO->blockSignals(false);
390 } // namespace frontend
393 #include "moc_TocWidget.cpp"