#ifndef TOCMODEL_H
#define TOCMODEL_H
-#include "TocBackend.h"
-
#include "qt_helpers.h"
+#include <QHash>
#include <QStandardItemModel>
-#include <map>
-#include <string>
+class QSortFilterProxyModel;
namespace lyx {
-namespace frontend {
-typedef TocBackend::Toc::const_iterator TocIterator;
+class Buffer;
+class BufferView;
+class DocIterator;
+class Toc;
+class TocItem;
-class TocModel: public QStandardItemModel {
- Q_OBJECT
+namespace frontend {
+/// A QStandardItemModel that gives access to the reset method.
+/// This is needed in order to fix http://www.lyx.org/trac/ticket/3740
+class TocTypeModel : public QStandardItemModel
+{
public:
///
- TocModel() {}
+ TocTypeModel(QObject * parent);
///
- TocModel(TocBackend::Toc const & toc);
+ void reset();
+};
+
+/// A class that adapt the TocBackend of a Buffer into standard Qt models for
+/// GUI visualisation.
+/// There is one TocModel per list in the TocBackend.
+class TocModel
+{
+public:
+ ///
+ TocModel(QObject * parent);
+ ///
+ void reset(Toc const & toc);
///
- ~TocModel() {}
+ void reset();
///
- TocModel const & operator=(TocBackend::Toc const & toc);
+ void updateItem(DocIterator const & dit);
///
void clear();
///
- void populate(TocBackend::Toc const & toc);
+ QAbstractItemModel * model();
+ ///
+ QAbstractItemModel const * model() const;
+ ///
+ void sort(bool sort_it);
///
- TocIterator const tocIterator(QModelIndex const & index) const;
+ bool isSorted() const { return is_sorted_; }
///
- QModelIndex const modelIndex(TocIterator const & it) const;
+ TocItem const & tocItem(QModelIndex const & index) const;
+ ///
+ QModelIndex modelIndex(DocIterator const & dit) const;
+ ///
+ int modelDepth() const;
private:
///
- void populate(TocIterator & it,
- TocIterator const & end,
- QModelIndex const & parent);
+ void populate(unsigned int & index, QModelIndex const & parent);
+ ///
+ TocTypeModel * model_;
+ ///
+ QSortFilterProxyModel * sorted_model_;
+ ///
+ bool is_sorted_;
+ ///
+ Toc const * toc_;
+ ///
+ int maxdepth_;
+ ///
+ int mindepth_;
+};
+
+
+/// 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) const;
+ ///
+ void goTo(QString const & type, QModelIndex const & index) const;
+ ///
+ void init(Buffer const & buffer);
+ ///
+ void updateBackend() const;
+ ///
+ 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;
+
+Q_SIGNALS:
+ /// Signal that the internal toc_models_ has been reset.
+ void modelReset();
+
+private:
+ typedef QHash<QString, TocModel *>::const_iterator const_iterator;
+ typedef QHash<QString, TocModel *>::iterator iterator;
+ ///
+ void clear();
///
- typedef std::map<QModelIndex, TocIterator> TocMap;
+ BufferView const * bv_;
///
- typedef std::map<TocIterator, QModelIndex> ModelMap;
+ QHash<QString, TocModel *> models_;
///
- TocMap toc_map_;
+ TocTypeModel * names_;
///
- ModelMap model_map_;
+ QSortFilterProxyModel * names_sorted_;
};
} // namespace frontend