/*
 * GlobalWorkflowItems.h
 * @brief 存储工作流中的所有模块和被复制的模块
 * @date: 2012-10-12
 * @author: liujunxia
 */

#ifndef PAI_FRAME_WORKFLOWVIEW_GLOBALWORKFLOWITEMS_H_
#define PAI_FRAME_WORKFLOWVIEW_GLOBALWORKFLOWITEMS_H_

#include <QGraphicsItem>

#include "ModuleInformation.h"
#include "ModuleConnection.h"
using namespace pai::workflow;
namespace pai
{
	namespace graphics2d
    {
		class ModuleGraphicsItem;
		class ModuleConnectGraphicsItem;
		class CModuleInfoAndStyle;
		class WorkflowSceneManager;
    }

	class GlobalWorkflowItems {

	private:
		GlobalWorkflowItems();
		virtual ~GlobalWorkflowItems();

	public:

		static GlobalWorkflowItems* GetInstance();

		// set copy items list
		void SetCopyGraphicItems(QList<QGraphicsItem*> itemList);
		// get copy items list
		QList<QGraphicsItem*> GetCopyGraphicItems();
		// clear copy items list and items list
		void Clear();
		/**
		 * @brief 根据粘贴列表获取需要粘贴的线的列表
		 * @param itemList 粘贴列表
		 */
		QList<CModuleConnection *> GetConnectLineList(QList<QGraphicsItem*> CopyItems);
		/**
		 * @brief 根据粘贴列表获取需要粘贴的模块的StepID
		 * @param itemList 粘贴列表
		 */
		QList<int> GetStepIdList(QList<QGraphicsItem*> CopyItems);
		QList<pai::graphics2d::CModuleInfoAndStyle *> GetModuleInfoAndStyleList(QList<QGraphicsItem*> CopyItems);
		/**
		 * @brief 根据指定ID找到对应的模块图元
		 * @param pSceneManager WorkflowSceneManager
		 * @param iStepID 模块ID
		 */
		pai::graphics2d::ModuleGraphicsItem* FindModule(pai::graphics2d::WorkflowSceneManager *pSceneManager, int iStepID);
		/**
		 * @brief 根据指定connection找到对应的模块图元
		 * @param pSceneManager WorkflowSceneManager
		 * @param pConnection 图元连线信息
		 */
		pai::graphics2d::ModuleConnectGraphicsItem* FindConnectionItem(pai::graphics2d::WorkflowSceneManager *pSceneManager, workflow::CModuleConnection* pConnection);

	private:
		QList<QGraphicsItem*> m_pCopyItems; // copy graphic items buffer
		static GlobalWorkflowItems *instance;

	};
}



#endif /* GLOBALWORKFLOWITEMS_H_ */