+ bool is_sorted_;
+ ///
+ std::shared_ptr<Toc const> toc_;
+ ///
+ int maxdepth_;
+ ///
+ int mindepth_;
+};
+
+
+/// A filter to sort the models alphabetically but with
+/// the table of contents on top.
+class TocModelSortProxyModel : public QSortFilterProxyModel
+{
+public:
+ TocModelSortProxyModel(QObject * w)
+ : QSortFilterProxyModel(w)
+ {}
+
+ bool lessThan (const QModelIndex & left, const QModelIndex & right) const
+ {
+ if (left.model()->data(left, Qt::UserRole).toString()
+ == QString("tableofcontents"))
+ return true;
+ else if (right.model()->data(right, Qt::UserRole).toString()
+ == QString("tableofcontents"))
+ return false;
+ else
+ return QSortFilterProxyModel::lessThan(left, right);
+ }
+};
+
+
+
+/// A container for the different TocModels.
+class TocModels : public QObject
+{
+ Q_OBJECT
+public:
+ ///
+ TocModels();
+ ///
+ void reset(BufferView const * bv);
+ ///
+ int depth(QString const & type);
+ ///
+ QAbstractItemModel * model(QString const & type);
+ ///
+ QAbstractItemModel * nameModel();
+ ///
+ QModelIndex currentIndex(QString const & type,
+ DocIterator const & dit) const;
+ ///
+ void goTo(QString const & type, QModelIndex const & index) const;
+ ///
+ void init(Buffer const & buffer);
+ ///
+ void updateItem(QString const & type, DocIterator const & dit);
+ ///
+ void sort(QString const & type, bool sort_it);
+ ///
+ bool isSorted(QString const & type) const;
+ /// the item that is currently selected
+ TocItem const currentItem(QString const & type,
+ QModelIndex const & index) const;
+
+private:
+ typedef QHash<QString, TocModel *>::const_iterator const_iterator;
+ typedef QHash<QString, TocModel *>::iterator iterator;
+ ///
+ void clear();