/*
 *@file MoveModuleCmd.h
 *@brief 移动工作流中的模块
 *@date: 2012-10-31
 *@author: liujunxia
 */

#ifndef PAI_FRAME_WORKFLOWVIEW_MOVEMODULECMD_H_
#define PAI_FRAME_WORKFLOWVIEW_MOVEMODULECMD_H_

#include <QGraphicsItem>
#include <QUndoCommand>

namespace pai
{
	class CPaiWorkflowPlugin;
    namespace objectmodel
    {
        class PaiWorkflowDataModel;
    }
    namespace graphics2d
    {
        class WorkflowSceneManager;

        struct ModuleMovedInfo
        {
        	int stepId;
        	QPointF mousePressPos;
        	QPointF mouseReleasePos;
        };
        /**
          * @class MoveModuleCmd
          * @brief 移动工作流中的模块
          */
         class MoveModuleCmd :public QUndoCommand
         {
     		public:
        	 MoveModuleCmd(pai::graphics2d::WorkflowSceneManager *pSceneManager, QList<ModuleMovedInfo> moduleMovedInfoList, bool bKeyPressedMove, QUndoCommand *parent = 0);
     			virtual ~MoveModuleCmd();
     			/**
     			 * @brief undo 操作
     			 */
     			void undo();
     			/**
     			 * @brief redo 操作
     			 */
     			void redo();
     			/**
     			 *
     			 */
     			int id() const;
     			/**
     			 * @brief mergeWith 操作
     			 */
     			bool mergeWith(const QUndoCommand *other);

     		private:
     			QList<QGraphicsItem*> m_list;
     			QList<ModuleMovedInfo> m_moduleMovedInfoList;
     			pai::graphics2d::WorkflowSceneManager *m_pSceneManager;
     			bool m_bKeyPressedMove;
         };
    }

}



#endif /* COPYMODULECMD_H_ */