AbstractParentItem.h

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#ifndef AbstractParentItem_H
#define AbstractParentItem_H


#include "AbstractTreeItem.h"


template< typename T > class QList;
class QVariant;


namespace Isis {

  class AbstractParentItem : public virtual AbstractTreeItem {
    public:
      AbstractParentItem(AbstractTreeItem *parent = 0);
      virtual ~AbstractParentItem();

      virtual AbstractTreeItem *childAt(int row) const;
      virtual QList< AbstractTreeItem * > getChildren() const;
      virtual AbstractTreeItem *getFirstVisibleChild() const;
      virtual AbstractTreeItem *getLastVisibleChild() const;
      virtual int indexOf(AbstractTreeItem *child) const;
      virtual int childCount() const;
      virtual void addChild(AbstractTreeItem *child);
      virtual void setFirstVisibleChild(AbstractTreeItem *child);
      virtual void setLastVisibleChild(AbstractTreeItem *child);


    private: // disable copying of this class
      AbstractParentItem(const AbstractParentItem &);
      const AbstractParentItem &operator=(const AbstractParentItem &);


    private:
      QList< AbstractTreeItem * > * m_children;
      AbstractTreeItem *m_firstVisibleChild;
      AbstractTreeItem *m_lastVisibleChild;
  };
}

#endif