TreeModel.hh

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\*===========================================================================*/
 
 
 
#ifndef TREEMODEL_H
#define TREEMODEL_H
 
#include <QAbstractItemModel>
#include <QModelIndex>
#include <QVariant>
 
#include "TreeItem.hh"
 
class TreeModel : public QAbstractItemModel
{
    Q_OBJECT
 
signals:
   // the connected TreeView changed data
   void dataChangedInside(int _id, int _column,const QVariant& _value);
   // an object was moved via dragNdrop
   void moveBaseObject(int _id, int _newParentId);
 
public:
 
    explicit TreeModel(QObject *_parent = 0);
 
    ~TreeModel();
 
//===========================================================================
//===========================================================================
 
public:
 
    QVariant data(const QModelIndex &_index,int _role) const;
 
    Qt::ItemFlags flags(const QModelIndex &_index) const;
 
    QVariant headerData(int _section,
                        Qt::Orientation _orientation,
                        int _role = Qt::DisplayRole) const;
 
    QModelIndex index(int _row, int _column,
                      const QModelIndex &_parent = QModelIndex()) const;
 
    QModelIndex parent(const QModelIndex &_index) const;
 
    int rowCount(const QModelIndex &_parent = QModelIndex()) const;
 
    int columnCount(const QModelIndex &_parent = QModelIndex()) const;
 
    bool setData(const QModelIndex &_index, const QVariant &_value , int _role);
 
//===========================================================================
//===========================================================================
 
public:
 
    QModelIndex getModelIndex(TreeItem* _object, int _column );
 
    bool isRoot(TreeItem* _item);
 
    bool getObjectName(TreeItem* _object , QString& _name);
 
    TreeItem *getItem(const QModelIndex &_index) const;
 
    TreeItem *getItem(const int _id) const;
 
    QString itemName(const QModelIndex &_index) const;
 
    int itemId(const QModelIndex &_index) const;
 
 
    void objectChanged(int _id);
 
    void objectAdded(BaseObject* _object);
 
    void objectDeleted(int _id);
 
    void moveItem(TreeItem* _item, TreeItem* _parent );
 
private:
 
    TreeItem* rootItem_;
 
//===========================================================================
//===========================================================================
 
public:
 
    Qt::DropActions supportedDropActions() const;
 
    QStringList mimeTypes() const;
 
    QMimeData* mimeData(const QModelIndexList& indexes) const;
 
    bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent);
 
};
 
#endif