]> git.lyx.org Git - lyx.git/blobdiff - src/frontends/qt4/TocModel.cpp
Make the InsetInfo dialog a bit less esoteric.
[lyx.git] / src / frontends / qt4 / TocModel.cpp
index 2f8fadc5039b8e40e7ab144f3f52272a003856d7..51365311aa9eba703bfeda79a7243a7e114f8db2 100644 (file)
 
 #include "TocModel.h"
 
+#include "Buffer.h"
+#include "BufferView.h"
+#include "Cursor.h"
+#include "DocIterator.h"
+#include "FuncRequest.h"
+#include "LyX.h"
+#include "qt_helpers.h"
+#include "TocBackend.h"
+
 #include "support/debug.h"
+#include "support/lassert.h"
+
+#include <QSortFilterProxyModel>
+#include <QStandardItemModel>
+
 
-#include <boost/assert.hpp>
 #include <climits>
 
 using namespace std;
@@ -23,142 +36,366 @@ using namespace std;
 namespace lyx {
 namespace frontend {
 
+/// A QStandardItemModel that gives access to the reset methods.
+/// This is needed in order to fix http://www.lyx.org/trac/ticket/3740
+// FIXME: Better appropriately subclass QStandardItemModel and implement
+// the toc-specific reset methods there.
+class TocTypeModel : public QStandardItemModel
+{
+public:
+       ///
+       TocTypeModel(QObject * parent) : QStandardItemModel(parent)
+       {}
+       ///
+       void reset()
+       {
+               QStandardItemModel::beginResetModel();
+               QStandardItemModel::endResetModel();
+       }
+       ///
+       void beginResetModel()
+       {
+               QStandardItemModel::beginResetModel();
+       }
+       ///
+       void endResetModel()
+       {
+               QStandardItemModel::endResetModel();
+       }
+};
+
+
+///////////////////////////////////////////////////////////////////////////////
+//
+// TocModel
+//
+///////////////////////////////////////////////////////////////////////////////
+
+TocModel::TocModel(QObject * parent)
+       : model_(new TocTypeModel(parent)),
+         sorted_model_(new QSortFilterProxyModel(parent)),
+         is_sorted_(false), toc_(new Toc()),
+         maxdepth_(0), mindepth_(0)
+{
+       sorted_model_->setSortLocaleAware(true);
+       sorted_model_->setSourceModel(model_);
+}
+
+
+QAbstractItemModel * TocModel::model()
+{
+       if (is_sorted_)
+               return sorted_model_;
+       return model_;
+}
+
 
-TocModel::TocModel(Toc const & toc)
+QAbstractItemModel const * TocModel::model() const
 {
-       populate(toc);
+       if (is_sorted_)
+               return sorted_model_;
+       return model_;
 }
 
 
-TocModel const & TocModel::operator=(Toc const & toc)
+void TocModel::clear()
 {
-       populate(toc);
-       return *this;
+       model_->blockSignals(true);
+       model_->clear();
+       toc_ = make_shared<Toc>();
+       model_->blockSignals(false);
 }
 
 
-TocIterator const TocModel::tocIterator(QModelIndex const & index) const
+void TocModel::sort(bool sort_it)
 {
-       TocMap::const_iterator map_it = toc_map_.find(index);
-       BOOST_ASSERT(map_it != toc_map_.end());
-       return map_it->second;
+       is_sorted_ = sort_it;
+       if (is_sorted_)
+               sorted_model_->sort(0);
 }
 
 
-QModelIndex const TocModel::modelIndex(TocIterator const & it) const
+TocItem const & TocModel::tocItem(QModelIndex const & index) const
 {
-       ModelMap::const_iterator map_it = model_map_.find(it);
-       //BOOST_ASSERT(it != model_map_.end());
+       return (*toc_)[model()->data(index, Qt::UserRole).toUInt()];
+}
+
 
-       if (map_it == model_map_.end())
+QModelIndex TocModel::modelIndex(DocIterator const & dit) const
+{
+       if (toc_->empty())
                return QModelIndex();
 
-       return map_it->second;
+       unsigned int const toc_index = TocBackend::findItem(*toc_, dit) -
+                                      toc_->begin();
+
+       QModelIndexList list = model()->match(model()->index(0, 0), Qt::UserRole,
+               QVariant(toc_index), 1,
+               Qt::MatchFlags(Qt::MatchExactly | Qt::MatchRecursive));
+
+       LASSERT(!list.isEmpty(), return QModelIndex());
+       return list[0];
 }
 
 
-void TocModel::clear()
+void TocModel::reset()
 {
-       QStandardItemModel::clear();
-       toc_map_.clear();
-       model_map_.clear();
-       removeRows(0, rowCount());
-       removeColumns(0, columnCount());
+       model_->reset();
 }
 
 
-void TocModel::populate(Toc const & toc)
+void TocModel::setString(TocItem const & item, QModelIndex index)
 {
-       clear();
+       // Use implicit sharing of QStrings
+       QString str = toqstr(item.asString());
+       model_->setData(index, str, Qt::DisplayRole);
+       model_->setData(index, str, Qt::ToolTipRole);
+}
 
-       if (toc.empty())
-               return;
-       int current_row;
-       QModelIndex top_level_item;
 
-       TocIterator iter = toc.begin();
-       TocIterator end = toc.end();
+void TocModel::updateItem(DocIterator const & dit)
+{
+       QModelIndex const index = modelIndex(dit);
+       setString(tocItem(index), index);
+}
+
 
-       insertColumns(0, 1);
+void TocModel::reset(shared_ptr<Toc const> toc)
+{
+       toc_ = toc;
+       if (toc_->empty()) {
+               maxdepth_ = 0;
+               mindepth_ = 0;
+               reset();
+               return;
+       }
+
+       model_->blockSignals(true);
+       model_->beginResetModel();
+       model_->insertColumns(0, 1);
        maxdepth_ = 0;
        mindepth_ = INT_MAX;
 
-       while (iter != end) {
-               maxdepth_ = max(maxdepth_, iter->depth());
-               mindepth_ = min(mindepth_, iter->depth());
-               current_row = rowCount();
-               insertRows(current_row, 1);
-               top_level_item = QStandardItemModel::index(current_row, 0);
-               //setData(top_level_item, toqstr(iter->str()));
-               setData(top_level_item, toqstr(iter->str()), Qt::DisplayRole);
+       size_t end = toc_->size();
+       for (unsigned int index = 0; index != end; ++index) {
+               TocItem const & item = (*toc_)[index];
+               maxdepth_ = max(maxdepth_, item.depth());
+               mindepth_ = min(mindepth_, item.depth());
+               int current_row = model_->rowCount();
+               model_->insertRows(current_row, 1);
+               QModelIndex top_level_item = model_->index(current_row, 0);
+               setString(item, top_level_item);
+               model_->setData(top_level_item, index, Qt::UserRole);
+
+               LYXERR(Debug::GUI, "Toc: at depth " << item.depth()
+                       << ", added item " << item.asString());
+
+               populate(index, top_level_item);
+               if (index >= end)
+                       break;
+       }
 
-               // This looks like a gcc bug, in principle this should work:
-               //toc_map_[top_level_item] = iter;
-               // but it crashes with gcc-4.1 and 4.0.2
-               toc_map_.insert( TocPair(top_level_item, iter) );
-               model_map_[iter] = top_level_item;
+       model_->setHeaderData(0, Qt::Horizontal, QVariant("title"), Qt::DisplayRole);
+       sorted_model_->setSourceModel(model_);
+       if (is_sorted_)
+               sorted_model_->sort(0);
+       model_->blockSignals(false);
+       model_->endResetModel();
+}
 
-               LYXERR(Debug::GUI, "Toc: at depth " << iter->depth()
-                       << ", added item " << to_utf8(iter->str()));
 
-               populate(iter, end, top_level_item);
+void TocModel::populate(unsigned int & index, QModelIndex const & parent)
+{
+       int curdepth = (*toc_)[index].depth() + 1;
 
-               if (iter == end)
+       QModelIndex child_item;
+       model_->insertColumns(0, 1, parent);
+
+       size_t end = toc_->size();
+       ++index;
+       for (; index != end; ++index) {
+               TocItem const & item = (*toc_)[index];
+               if (item.depth() < curdepth) {
+                       --index;
+                       return;
+               }
+               maxdepth_ = max(maxdepth_, item.depth());
+               mindepth_ = min(mindepth_, item.depth());
+               int current_row = model_->rowCount(parent);
+               model_->insertRows(current_row, 1, parent);
+               child_item = model_->index(current_row, 0, parent);
+               setString(item, child_item);
+               model_->setData(child_item, index, Qt::UserRole);
+               populate(index, child_item);
+               if (index >= end)
                        break;
-
-               ++iter;
        }
+}
+
 
-       setHeaderData(0, Qt::Horizontal, QVariant("title"), Qt::DisplayRole);
-//     emit headerDataChanged();
+int TocModel::modelDepth() const
+{
+       int const d = maxdepth_ - mindepth_;
+       LASSERT(d >= 0 && d <= 100, return 0);
+       return d;
 }
 
 
-void TocModel::populate(TocIterator & iter, TocIterator const & end,
-       QModelIndex const & parent)
+///////////////////////////////////////////////////////////////////////////////
+//
+// TocModels
+//
+///////////////////////////////////////////////////////////////////////////////
+
+TocModels::TocModels()
 {
-       int curdepth = iter->depth() + 1;
+       names_ = new TocTypeModel(this);
+       names_sorted_ = new TocModelSortProxyModel(this);
+       names_sorted_->setSourceModel(names_);
+       names_sorted_->setSortLocaleAware(true);
+       names_sorted_->sort(0);
+}
 
-       int current_row;
-       QModelIndex child_item;
 
-       insertColumns(0, 1, parent);
-       while (iter != end) {
+void TocModels::clear()
+{
+       names_->blockSignals(true);
+       names_->clear();
+       names_->blockSignals(false);
+       iterator end = models_.end();
+       for (iterator it = models_.begin(); it != end;  ++it)
+               it.value()->clear();
+}
 
-               ++iter;
 
-               if (iter == end)
-                       break;
+int TocModels::depth(QString const & type)
+{
+       const_iterator it = models_.find(type);
+       if (it == models_.end())
+               return 0;
+       return it.value()->modelDepth();
+}
+
+
+QAbstractItemModel * TocModels::model(QString const & type)
+{
+       iterator it = models_.find(type);
+       if (it != models_.end())
+               return it.value()->model();
+       LYXERR0("type not found: " << type);
+       return 0;
+}
 
-               if (iter->depth() < curdepth) {
-                       --iter;
-                       return;
-               }
 
-               maxdepth_ = max(maxdepth_, iter->depth());
-               mindepth_ = min(mindepth_, iter->depth());
-               current_row = rowCount(parent);
-               insertRows(current_row, 1, parent);
-               child_item = QStandardItemModel::index(current_row, 0, parent);
-               //setData(child_item, toqstr(iter->str()));
-               setData(child_item, toqstr(iter->str()), Qt::DisplayRole);
-
-               // This looks like a gcc bug, in principle this should work:
-               //toc_map_[child_item] = iter;
-               // but it crashes with gcc-4.1 and 4.0.2
-               toc_map_.insert( TocPair(child_item, iter) );
-               model_map_[iter] = child_item;
-               populate(iter, end, child_item);
+QAbstractItemModel * TocModels::nameModel()
+{
+       return names_sorted_;
+}
+
+
+QModelIndex TocModels::currentIndex(QString const & type,
+                                    DocIterator const & dit) const
+{
+       const_iterator it = models_.find(type);
+       if (it == models_.end())
+               return QModelIndex();
+       return it.value()->modelIndex(dit);
+}
+
+
+FuncRequest TocModels::goTo(QString const & type, QModelIndex const & index) const
+{
+       const_iterator it = models_.find(type);
+       if (it == models_.end() || !index.isValid()) {
+               LYXERR(Debug::GUI, "TocModels::goTo(): QModelIndex is invalid!");
+               return FuncRequest(LFUN_NOACTION);
        }
+       LASSERT(index.model() == it.value()->model(), return FuncRequest(LFUN_NOACTION));
+       TocItem const item = it.value()->tocItem(index);
+       LYXERR(Debug::GUI, "TocModels::goTo " << item.asString());
+       return item.action();
 }
 
 
-int TocModel::modelDepth() const
+TocItem const TocModels::currentItem(QString const & type,
+       QModelIndex const & index) const
+{
+       const_iterator it = models_.find(type);
+       if (it == models_.end() || !index.isValid()) {
+               LYXERR(Debug::GUI, "TocModels::currentItem(): QModelIndex is invalid!");
+               return TocItem();
+       }
+       LASSERT(index.model() == it.value()->model(), return TocItem());
+
+       return it.value()->tocItem(index);
+}
+
+
+void TocModels::updateItem(QString const & type, DocIterator const & dit)
+{
+       models_[type]->updateItem(dit);
+}
+
+
+void TocModels::reset(BufferView const * bv)
+{
+       clear();
+       if (!bv) {
+               iterator end = models_.end();
+               for (iterator it = models_.begin(); it != end;  ++it)
+                       it.value()->reset();
+               names_->reset();
+               return;
+       }
+
+       names_->blockSignals(true);
+       names_->beginResetModel();
+       names_->insertColumns(0, 1);
+       // In the outliner, add Tocs from the master document
+       TocBackend const & backend = bv->buffer().masterBuffer()->tocBackend();
+       for (pair<string, shared_ptr<Toc>> const & toc : backend.tocs()) {
+               QString const type = toqstr(toc.first);
+
+               // First, fill in the toc models.
+               iterator mod_it = models_.find(type);
+               if (mod_it == models_.end())
+                       mod_it = models_.insert(type, new TocModel(this));
+               mod_it.value()->reset(toc.second);
+
+               // Fill in the names_ model.
+               QString const gui_name = toqstr(backend.outlinerName(toc.first));
+               int const current_row = names_->rowCount();
+               names_->insertRows(current_row, 1);
+               QModelIndex const index = names_->index(current_row, 0);
+               names_->setData(index, gui_name, Qt::DisplayRole);
+               names_->setData(index, type, Qt::UserRole);
+       }
+       names_->blockSignals(false);
+       names_->endResetModel();
+}
+
+
+bool TocModels::isSorted(QString const & type) const
+{
+       const_iterator it = models_.find(type);
+       if (it == models_.end()) {
+               LYXERR0("type not found: " << type);
+               return false;
+       }
+       return it.value()->isSorted();
+}
+
+
+void TocModels::sort(QString const & type, bool sort_it)
 {
-       return maxdepth_ - mindepth_;
+       iterator it = models_.find(type);
+       if (it == models_.end())
+               LYXERR0("type not found: " << type);
+       else
+               it.value()->sort(sort_it);
 }
 
 } // namespace frontend
 } // namespace lyx
 
-#include "TocModel_moc.cpp"
+#include "moc_TocModel.cpp"