#include "stdafx.h"
#include "SigmaView.h"
#include "DrawBend.h"
#include "SectionDoc.h"
#include "Item.h"
#include "ItemSelect.h"
#include ".\itemdelete.h"
#include "ActionDeleteLayerItem.h"
/*
    20200422
	fengbowen
	拷贝粘贴剪切 
*/
extern "C" __declspec(dllexport)
void Copy(CSigmaView * pVIew) {
	
	if (pVIew == NULL)
		return  ;
	CItem* pItem = pVIew->GetItem();
	if (pItem == NULL)
		return ;

	CItemSelect* itemSelect = dynamic_cast<CItemSelect*>(pItem);
	if (itemSelect == NULL)
		return ;

	itemSelect->Copy();

}

extern "C" __declspec(dllexport)
bool Paste(CSigmaView * pVIew,int nPasteMode) {
	if (pVIew == NULL)
		return false;

	pVIew->SetItem(ITEM_SELECT); //无法跨文档粘贴的原因是:被粘贴的文档,Item不是处于选择状态.导致无法调用CItemSelect的paste方法粘贴.
	CItem* pItem = pVIew->GetItem();
	if (pItem == NULL)
		return false;

	CItemSelect* itemSelect = dynamic_cast<CItemSelect*>(pItem);
	if (itemSelect == NULL)
		return false;

	bool ret = itemSelect->Past(nPasteMode);
	// 必须把选中的元素同步到 SigmaDoc 中，右键点击编辑时，需要从 SigmaDoc 中获取图元
	pVIew->m_pDoc->ReplaceSelectionSet(itemSelect->m_selection);
	return ret;
	//itemSelect->Past(1);
}

extern "C" __declspec(dllexport)
void Cutx(CSigmaView * pVIew) {
	if (pVIew == NULL)
		return;

	CItem* pItem = pVIew->GetItem();
	if (pItem == NULL)
		return;

	CItemSelect* itemSelect = dynamic_cast<CItemSelect*>(pItem);
	if (itemSelect == NULL)
		return;

	itemSelect->Copy();
	//itemSelect->DeleteSelection();
	itemSelect->DeleteSelection();
	itemSelect->GetTracker().Clear();
}

extern "C" __declspec(dllexport)
void Sigma_Delete(CSigmaView * pVIew) 
{
	if (pVIew == NULL)
		return;
	CItem* pItem = pVIew->GetItem();
	if (pItem == NULL)
		return;

	CItemSelect* itemSelect = dynamic_cast<CItemSelect*>(pItem);
	if (itemSelect == NULL)
		return;

	itemSelect->DeleteSelection();
}