#ifndef TOCMODEL_H
#define TOCMODEL_H
-#include "qt_helpers.h"
+#include "Toc.h"
-#include <QList>
-#include <QStandardItemModel>
-#include <QStringList>
+#include <QHash>
+#include <QSortFilterProxyModel>
namespace lyx {
class Buffer;
class BufferView;
class DocIterator;
-class Toc;
-class TocItem;
namespace frontend {
-class TocTypeModel : public QStandardItemModel
+class TocTypeModel;
+
+/// 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
{
+ /// noncopyable
+ TocModel(TocModel const &);
+ void operator=(TocModel const &);
public:
///
- TocTypeModel(QObject * parent = 0);
+ TocModel(QObject * parent);
+ ///
+ void reset(std::shared_ptr<Toc const>);
///
void reset();
-};
-
-
-class TocModel : public QStandardItemModel
-{
-public:
///
- TocModel(QObject * parent = 0);
+ void updateItem(DocIterator const & dit);
+ ///
+ void clear();
///
- void reset(Toc const & toc);
+ QAbstractItemModel * model();
///
- void reset();
+ QAbstractItemModel const * model() const;
+ ///
+ void sort(bool sort_it);
+ ///
+ bool isSorted() const { return is_sorted_; }
///
TocItem const & tocItem(QModelIndex const & index) const;
///
///
void populate(unsigned int & index, QModelIndex const & parent);
///
- QList<QModelIndex> toc_indexes_;
+ void setString(TocItem const & item, QModelIndex index);
///
- Toc const * toc_;
+ TocTypeModel * model_;
+ ///
+ QSortFilterProxyModel * sorted_model_;
+ ///
+ bool is_sorted_;
+ ///
+ std::shared_ptr<Toc const> toc_;
///
int maxdepth_;
+ ///
int mindepth_;
};
-class TocModels: public QObject
+/// 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();
///
- typedef QHash<QString, TocModel *>::const_iterator const_iterator;
- const_iterator begin() const { return models_.begin(); }
- const_iterator end() const { return models_.end(); }
- ///
void reset(BufferView const * bv);
///
int depth(QString const & type);
///
- QStandardItemModel * model(QString const & type);
+ QAbstractItemModel * model(QString const & type);
///
- QStandardItemModel * nameModel() { return names_; }
+ QAbstractItemModel * nameModel();
///
- QModelIndex currentIndex(QString const & type) const;
+ QModelIndex currentIndex(QString const & type,
+ DocIterator const & dit) const;
///
void goTo(QString const & type, QModelIndex const & index) const;
///
void init(Buffer const & buffer);
///
- void updateBackend() const;
-
-Q_SIGNALS:
- /// Signal that the internal toc_models_ has been reset.
- void modelReset();
+ 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();
///
- void deleteAll();
- ///
- BufferView const * bv_;
- ///
QHash<QString, TocModel *> models_;
///
TocTypeModel * names_;
+ ///
+ TocModelSortProxyModel * names_sorted_;
};
} // namespace frontend