#ifndef TOCMODEL_H
#define TOCMODEL_H
-#include "qt_helpers.h"
+#include "Toc.h"
#include <QHash>
-#include <QList>
#include <QSortFilterProxyModel>
-#include <QStandardItemModel>
-#include <QStringList>
namespace lyx {
class Buffer;
class BufferView;
class DocIterator;
-class Toc;
-class TocItem;
namespace frontend {
-class TocTypeModel : public QStandardItemModel
-{
-public:
- ///
- TocTypeModel(QObject * parent = 0);
- ///
- void reset();
-};
-
+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:
///
- TocModel(QObject * parent = 0);
+ TocModel(QObject * parent);
///
- void reset(Toc const & toc);
+ void reset(std::shared_ptr<Toc const>);
///
void reset();
///
+ void updateItem(DocIterator const & dit);
+ ///
void clear();
///
QAbstractItemModel * model();
///
void populate(unsigned int & index, QModelIndex const & parent);
///
+ void setString(TocItem const & item, QModelIndex index);
+ ///
TocTypeModel * model_;
///
QSortFilterProxyModel * sorted_model_;
///
bool is_sorted_;
///
- QList<QModelIndex> toc_indexes_;
- ///
- Toc const * toc_;
+ 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:
///
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;
-
-Q_SIGNALS:
- /// Signal that the internal toc_models_ has been reset.
- void modelReset();
+ /// 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;
///
TocTypeModel * names_;
///
- QSortFilterProxyModel * names_sorted_;
+ TocModelSortProxyModel * names_sorted_;
};
} // namespace frontend