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.
17 #include "BufferView.h"
19 #include "DocIterator.h"
20 #include "FuncRequest.h"
22 #include "TocBackend.h"
24 #include "support/debug.h"
25 #include "support/lassert.h"
27 #include <QSortFilterProxyModel>
36 /// A QStandardItemModel that gives access to the reset methods.
37 /// This is needed in order to fix http://www.lyx.org/trac/ticket/3740
38 class TocTypeModel : public QStandardItemModel
42 TocTypeModel(QObject * parent) : QStandardItemModel(parent)
47 QStandardItemModel::reset();
50 void beginResetModel()
52 #if QT_VERSION >= 0x040600
53 QStandardItemModel::beginResetModel();
59 #if QT_VERSION >= 0x040600
60 QStandardItemModel::endResetModel();
62 QStandardItemModel::reset();
68 ///////////////////////////////////////////////////////////////////////////////
72 ///////////////////////////////////////////////////////////////////////////////
74 TocModel::TocModel(QObject * parent)
75 : model_(new TocTypeModel(parent)),
76 sorted_model_(new QSortFilterProxyModel(parent)),
77 is_sorted_(false), maxdepth_(0), mindepth_(0)
79 #if QT_VERSION >= 0x040300
80 sorted_model_->setSortLocaleAware(true);
82 sorted_model_->setSourceModel(model_);
86 QAbstractItemModel * TocModel::model()
94 QAbstractItemModel const * TocModel::model() const
102 void TocModel::clear()
104 model_->blockSignals(true);
106 model_->blockSignals(false);
110 void TocModel::sort(bool sort_it)
112 is_sorted_ = sort_it;
114 sorted_model_->sort(0);
118 TocItem const & TocModel::tocItem(QModelIndex const & index) const
120 return (*toc_)[model()->data(index, Qt::UserRole).toUInt()];
124 QModelIndex TocModel::modelIndex(DocIterator const & dit) const
127 return QModelIndex();
129 unsigned int const toc_index = toc_->item(dit) - toc_->begin();
131 QModelIndexList list = model()->match(model()->index(0, 0), Qt::UserRole,
132 QVariant(toc_index), 1,
133 Qt::MatchFlags(Qt::MatchExactly | Qt::MatchRecursive));
135 LASSERT(!list.isEmpty(), return QModelIndex());
140 void TocModel::reset()
146 void TocModel::updateItem(DocIterator const & dit)
148 QModelIndex index = modelIndex(dit);
149 TocItem const & toc_item = tocItem(index);
150 model_->setData(index, toqstr(toc_item.str()), Qt::DisplayRole);
151 model_->setData(index, toqstr(toc_item.tooltip()), Qt::ToolTipRole);
155 void TocModel::reset(Toc const & toc)
165 model_->blockSignals(true);
166 model_->beginResetModel();
167 model_->insertColumns(0, 1);
171 size_t end = toc_->size();
172 for (unsigned int index = 0; index != end; ++index) {
173 TocItem const & item = (*toc_)[index];
174 maxdepth_ = max(maxdepth_, item.depth());
175 mindepth_ = min(mindepth_, item.depth());
176 int current_row = model_->rowCount();
177 model_->insertRows(current_row, 1);
178 QModelIndex top_level_item = model_->index(current_row, 0);
179 model_->setData(top_level_item, toqstr(item.str()), Qt::DisplayRole);
180 model_->setData(top_level_item, index, Qt::UserRole);
181 model_->setData(top_level_item, toqstr(item.tooltip()), Qt::ToolTipRole);
183 LYXERR(Debug::GUI, "Toc: at depth " << item.depth()
184 << ", added item " << item.str());
186 populate(index, top_level_item);
191 model_->setHeaderData(0, Qt::Horizontal, QVariant("title"), Qt::DisplayRole);
193 sorted_model_->sort(0);
194 model_->blockSignals(false);
195 model_->endResetModel();
199 void TocModel::populate(unsigned int & index, QModelIndex const & parent)
201 int curdepth = (*toc_)[index].depth() + 1;
204 QModelIndex child_item;
205 model_->insertColumns(0, 1, parent);
207 size_t end = toc_->size();
209 for (; index != end; ++index) {
210 TocItem const & item = (*toc_)[index];
211 if (item.depth() < curdepth) {
215 maxdepth_ = max(maxdepth_, item.depth());
216 mindepth_ = min(mindepth_, item.depth());
217 current_row = model_->rowCount(parent);
218 model_->insertRows(current_row, 1, parent);
219 child_item = model_->index(current_row, 0, parent);
220 model_->setData(child_item, toqstr(item.str()), Qt::DisplayRole);
221 model_->setData(child_item, index, Qt::UserRole);
222 model_->setData(child_item, toqstr(item.tooltip()), Qt::ToolTipRole);
223 populate(index, child_item);
230 int TocModel::modelDepth() const
232 int const d = maxdepth_ - mindepth_;
233 LASSERT(d >= 0 && d <= 100, return 0);
238 ///////////////////////////////////////////////////////////////////////////////
242 ///////////////////////////////////////////////////////////////////////////////
244 TocModels::TocModels()
247 names_ = new TocTypeModel(this);
248 names_sorted_ = new TocModelSortProxyModel(this);
249 names_sorted_->setSourceModel(names_);
250 #if QT_VERSION >= 0x040300
251 names_sorted_->setSortLocaleAware(true);
253 names_sorted_->sort(0);
257 void TocModels::clear()
259 names_->blockSignals(true);
261 names_->blockSignals(false);
262 iterator end = models_.end();
263 for (iterator it = models_.begin(); it != end; ++it)
268 int TocModels::depth(QString const & type)
270 const_iterator it = models_.find(type);
271 if (!bv_ || it == models_.end())
273 return it.value()->modelDepth();
277 QAbstractItemModel * TocModels::model(QString const & type)
281 iterator it = models_.find(type);
282 if (it != models_.end())
283 return it.value()->model();
284 LYXERR0("type not found: " << type);
289 QAbstractItemModel * TocModels::nameModel()
291 return names_sorted_;
295 QModelIndex TocModels::currentIndex(QString const & type) const
297 const_iterator it = models_.find(type);
298 if (!bv_ || it == models_.end())
299 return QModelIndex();
300 return it.value()->modelIndex(bv_->cursor());
304 void TocModels::goTo(QString const & type, QModelIndex const & index) const
306 const_iterator it = models_.find(type);
307 if (it == models_.end() || !index.isValid()) {
308 LYXERR(Debug::GUI, "TocModels::goTo(): QModelIndex is invalid!");
311 LASSERT(index.model() == it.value()->model(), return);
312 TocItem const item = it.value()->tocItem(index);
313 LYXERR(Debug::GUI, "TocModels::goTo " << item.str());
314 dispatch(item.action());
318 TocItem const TocModels::currentItem(QString const & type,
319 QModelIndex const & index) const
321 const_iterator it = models_.find(type);
322 if (it == models_.end() || !index.isValid()) {
323 LYXERR(Debug::GUI, "TocModels::currentItem(): QModelIndex is invalid!");
326 LASSERT(index.model() == it.value()->model(), return TocItem());
328 return it.value()->tocItem(index);
332 void TocModels::updateBackend() const
334 bv_->buffer().masterBuffer()->tocBackend().update();
335 bv_->buffer().structureChanged();
339 void TocModels::updateItem(QString const & type, DocIterator const & dit)
341 models_[type]->updateItem(dit);
345 void TocModels::reset(BufferView const * bv)
350 iterator end = models_.end();
351 for (iterator it = models_.begin(); it != end; ++it)
357 names_->blockSignals(true);
358 names_->beginResetModel();
359 names_->insertColumns(0, 1);
360 TocList const & tocs = bv_->buffer().masterBuffer()->tocBackend().tocs();
361 TocList::const_iterator it = tocs.begin();
362 TocList::const_iterator toc_end = tocs.end();
363 for (; it != toc_end; ++it) {
364 QString const type = toqstr(it->first);
366 // First, fill in the toc models.
367 iterator mod_it = models_.find(type);
368 if (mod_it == models_.end())
369 mod_it = models_.insert(type, new TocModel(this));
370 mod_it.value()->reset(it->second);
372 // Fill in the names_ model.
373 QString const gui_name = guiName(it->first, bv->buffer().params());
374 int const current_row = names_->rowCount();
375 names_->insertRows(current_row, 1);
376 QModelIndex const index = names_->index(current_row, 0);
377 names_->setData(index, gui_name, Qt::DisplayRole);
378 names_->setData(index, type, Qt::UserRole);
380 names_->blockSignals(false);
381 names_->endResetModel();
385 bool TocModels::isSorted(QString const & type) const
387 const_iterator it = models_.find(type);
388 if (it == models_.end()) {
389 LYXERR0("type not found: " << type);
392 return it.value()->isSorted();
396 void TocModels::sort(QString const & type, bool sort_it)
398 iterator it = models_.find(type);
399 if (it == models_.end())
400 LYXERR0("type not found: " << type);
402 it.value()->sort(sort_it);
405 } // namespace frontend
408 #include "moc_TocModel.cpp"