tree.hpp

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#ifndef TREEMODEL_H
#define TREEMODEL_H
 
#include <QAbstractItemModel>
#include "conffwk/ConfigObject.hpp"
#include "dbe/TreeModelInterface.hpp"
#include "dbe/model_common_interface.hpp"
 
extern char const * const dbe_lib_structure_version;
 
namespace dbe
{
class treenode;
 
namespace models
{
 
class tree:
  public QAbstractItemModel,
  public TreeModelInterface,
  public model_common_impl<tree>,
  public model_common_async_operations<tree>
{
  Q_OBJECT
 
  MODEL_COMMON_IMPL_REQ_DEF ( tree )
 
public :
  typedef dbe::treenode type_datum;
 
  ~tree();
 
  explicit tree ( const QStringList & Headers, QObject * parent = nullptr );
 
 
  type_index index ( int row, int column, const type_index & parent ) const override;
 
  type_index parent ( const type_index & child ) const override;
 
  type_index mapToSource ( type_index const & i )
  {
    return i;
  }
 
  int rowCount ( const type_index & parent ) const override;
 
  int columnCount ( const type_index & parent ) const override;
 
  Qt::ItemFlags flags ( const type_index & index ) const override;
 
  QVariant data ( const type_index & index, int role = Qt::DisplayRole ) const override;
 
  QVariant headerData ( int section, Qt::Orientation orientation,
                        int role = Qt::DisplayRole ) const override;
 
  bool insertRows ( int position, int rows, const type_index & parent ) override;
 
  void fetchMore ( const type_index & parent ) override;
 
  bool canFetchMore ( const type_index & parent ) const override;
 
  bool hasChildren ( const type_index & parent ) const override;
 
  bool setData ( const type_index & index, const QVariant & value, int role ) override;
 
  QStringList mimeTypes() const override;
 
  QMimeData * mimeData ( const QModelIndexList & indexes ) const override;
 
  type_datum * getnode ( const type_index & index ) const override;
 
  type_index getindex ( treenode * NodeItem,
                        type_index const & RootIndex = QModelIndex() ) const;
 
  void ResetModel();
 
  void objectsUpdated(const std::vector<dbe::dref>& objects);
 
signals:
  void ObjectFile ( QString );
 
private:
  bool abstract_classes_selectable;
 
private slots:
  void ToggleAbstractClassesSelectable ( bool );
 
  void slot_create_object ( QString const & src, dref const & obj );
  void slot_remove_object ( QString const & src, dref const & obj );
  void slot_update_object ( QString const & src, dref const & obj );
  void slot_rename_object ( QString const & src, dref const & obj );
};
 
}
// namespace models
}// namespace dbe
#endif // TREEMODEL_H