Add missing initialization

[lyx.git] / src / frontends / qt4 / TocModel.h

diff --git a/src/frontends/qt4/TocModel.h b/src/frontends/qt4/TocModel.h
index 7e2a8fb813baaae76db8a2cb9c2d0e2eeb7c38e8..0c3c6b09dde61d52851f15e99c9a4319b892a575 100644 (file)
--- a/src/frontends/qt4/TocModel.h
+++ b/src/frontends/qt4/TocModel.h
@@ -12,50 +12,142 @@
 #ifndef TOCMODEL_H
 #define TOCMODEL_H
 
-#include "toc.h"
+#include "Toc.h"
 
-#include "qt_helpers.h"
+#include <QHash>
+#include <QSortFilterProxyModel>
 
-#include <QStandardItemModel>
+namespace lyx {
 
-#include <map>
-#include <string>
+class Buffer;
+class BufferView;
+class DocIterator;
 
-namespace lyx {
 namespace frontend {
 
-class TocModel: public QStandardItemModel {
-       Q_OBJECT
+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() {}
+       TocModel(QObject * parent);
        ///
-       TocModel(toc::Toc const & toc_list);
+       void reset(std::shared_ptr<Toc const>);
        ///
-       ~TocModel() {}
+       void reset();
        ///
-       TocModel const & operator=(toc::Toc const & toc_list);
+       void updateItem(DocIterator const & dit);
        ///
        void clear();
        ///
-       void populate(toc::Toc const & toc_list);
+       QAbstractItemModel * model();
+       ///
+       QAbstractItemModel const * model() const;
+       ///
+       void sort(bool sort_it);
        ///
-       toc::TocItem const item(QModelIndex const & index) const;
+       bool isSorted() const { return is_sorted_; }
        ///
-       QModelIndex const index(std::string const & toc_str) const;
+       TocItem const & tocItem(QModelIndex const & index) const;
+       ///
+       QModelIndex modelIndex(DocIterator const & dit) const;
+       ///
+       int modelDepth() const;
 
 private:
        ///
-       void populate(toc::Toc::const_iterator & iter,
-               toc::Toc::const_iterator const & end,
-               QModelIndex const & parent);
+       void populate(unsigned int & index, QModelIndex const & parent);
+       ///
+       void setString(TocItem const & item, QModelIndex index);
+       ///
+       TocTypeModel * model_;
+       ///
+       QSortFilterProxyModel * sorted_model_;
+       ///
+       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);
+       }
+};
 
-       typedef std::map<QModelIndex, toc::TocItem> ItemMap;
+
+
+/// 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();
+       ///
+       QHash<QString, TocModel *> models_;
        ///
-       typedef std::map<std::string, QModelIndex> IndexMap;
+       TocTypeModel * names_;
        ///
-       ItemMap item_map_;
-       IndexMap index_map_;
+       TocModelSortProxyModel * names_sorted_;
 };
 
 } // namespace frontend