/*
 * GlobalWorkflowItems.cpp
 *
 *  Created on: 2012-10-12
 *      Author: liujunxia
 */

#include "GlobalWorkflowItems.h"
#include "ModuleGraphicsItem.h"
#include "ModuleInformation.h"
#include "ModuleConnection.h"
#include "ModuleConnectGraphicsItem.h"
#include "CModuleInfoAndStyle.h"
#include "WorkflowSceneManager.h"

using namespace pai;
using namespace pai::graphics2d;
using namespace pai::workflow;

namespace pai
{
	GlobalWorkflowItems* GlobalWorkflowItems::instance = NULL;

	GlobalWorkflowItems::GlobalWorkflowItems()
	{
	}

	GlobalWorkflowItems::~GlobalWorkflowItems()
	{
		Clear();
		if(instance != NULL)
		{
			delete instance;
		}
	}
	GlobalWorkflowItems* GlobalWorkflowItems::GetInstance()
	{
		 if(instance == NULL)
		 {
			 instance = new GlobalWorkflowItems();
		 }
		 return instance;
	}

	void GlobalWorkflowItems::SetCopyGraphicItems(QList<QGraphicsItem*> itemList)
	{
		Clear();
		m_pCopyItems = itemList;
	}
	QList<QGraphicsItem*> GlobalWorkflowItems::GetCopyGraphicItems()
	{
		return m_pCopyItems;
	}

	QList<CModuleConnection*> GlobalWorkflowItems::GetConnectLineList(QList<QGraphicsItem*> CopyItems)
	{
		QList<CModuleConnection*> lineItemList;
		lineItemList.clear();
		foreach(QGraphicsItem* pItem, CopyItems)
		{
			ModuleConnectGraphicsItem* pLineItem = dynamic_cast<ModuleConnectGraphicsItem*>(pItem);

			if (NULL == pLineItem)
			{
				continue;
			}

			CModuleConnection* pConnection = new CModuleConnection();
			pLineItem->GetConnection()->CopyTo(*pConnection);

			lineItemList << pConnection;
		}
		return lineItemList;
	}

	QList<int> GlobalWorkflowItems::GetStepIdList(QList<QGraphicsItem*> CopyItems)
	{
		QList<int> stepIdList;
		stepIdList.clear();
		foreach(QGraphicsItem* pItem, CopyItems)
		{
			ModuleGraphicsItem* pModule = dynamic_cast<ModuleGraphicsItem*>(pItem);
			if (NULL == pModule)
			{
				continue;
			}

			stepIdList << pModule->GetModule()->GetStepID();
		}
		return stepIdList;
	}

	QList<CModuleInfoAndStyle *> GlobalWorkflowItems::GetModuleInfoAndStyleList(QList<QGraphicsItem*> CopyItems)
	{
		QList<CModuleInfoAndStyle*> moduleList;
		moduleList.clear();
		foreach(QGraphicsItem* pItem, CopyItems)
		{
			ModuleGraphicsItem* pModule = dynamic_cast<ModuleGraphicsItem*>(pItem);
			if (NULL == pModule)
			{
				continue;
			}

			CModuleInformation *pInfo = new CModuleInformation();
			pInfo->Clone(*(pModule->GetModule()));

			PaiModuleStyle *pStyle = new PaiModuleStyle();
			pStyle->Copy(*(pModule->GetModuleStyle()));

			CModuleInfoAndStyle* pModuleInfoStyle = new CModuleInfoAndStyle();
			pModuleInfoStyle->SetModuleInformation(pInfo);
			pModuleInfoStyle->SetModuleStyle(pStyle);
			pModuleInfoStyle->SetModulePos(pModule->pos());

			moduleList << pModuleInfoStyle;
		}
		return moduleList;
	}

	pai::graphics2d::ModuleGraphicsItem* GlobalWorkflowItems::FindModule(pai::graphics2d::WorkflowSceneManager *pSceneManager, int iStepID)
	{
		foreach(QGraphicsItem* pItem,  pSceneManager->items())
		{
			if (pItem->type() == pai::graphics2d::ModuleGraphicsItem::Type)
			{
				pai::graphics2d::ModuleGraphicsItem* pModuleItem = dynamic_cast<pai::graphics2d::ModuleGraphicsItem*> (pItem);
				if (NULL != pModuleItem && pModuleItem->GetModule()->GetStepID() == iStepID)
				{
					return pModuleItem;
				}
			}
		}
		return NULL;
	}

	pai::graphics2d::ModuleConnectGraphicsItem* GlobalWorkflowItems::FindConnectionItem(pai::graphics2d::WorkflowSceneManager *pSceneManager, CModuleConnection* pConnection)
	{
		foreach(QGraphicsItem* pItem,  pSceneManager->items())
		{
			if (pItem->type() == pai::graphics2d::ModuleConnectGraphicsItem::Type)
			{
				pai::graphics2d::ModuleConnectGraphicsItem* pConnectItem = dynamic_cast<pai::graphics2d::ModuleConnectGraphicsItem*> (pItem);
				if (NULL != pConnectItem && *pConnectItem->GetConnection() == *pConnection)
				{
					return pConnectItem;
				}
			}
		}
		return NULL;
	}


	void GlobalWorkflowItems::Clear()
	{
		foreach(QGraphicsItem* pItem, m_pCopyItems)
		{
			if( pItem == NULL )
				continue;

			if(pItem->type() == ModuleGraphicsItem::Type)
			{
				ModuleGraphicsItem* pModule = dynamic_cast<ModuleGraphicsItem*>(pItem);
				if (pModule != NULL)
				{
					workflow::CModuleInformation* pInfo = pModule->GetModule();
					if (pInfo != NULL)
						delete pInfo;

					PaiModuleStyle* pStyle = pModule->GetModuleStyle();
					if (pStyle != NULL)
						delete pStyle;
				}
			}
		}
		qDeleteAll(m_pCopyItems);
		m_pCopyItems.clear();
	}
}