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80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
#include "StdAfx.h"
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#include "MouseToolBreakNode.h"
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#include "GlobalDrawMgr.h"
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#include "Layer.h"
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#include "GlobalFunction.h"
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#include "CommandDelNode.h"
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#include "CommandBreakNode.h"
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#include "ObjPline.h"
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#include "CommandMgr.h"
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CMouseToolBreakNode::CMouseToolBreakNode(void)
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{
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}
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CMouseToolBreakNode::~CMouseToolBreakNode(void)
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{
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}
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void CMouseToolBreakNode::OnLButtonDown(UINT nFlags, CPoint point,CClientDC &dc)
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{
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Dbxy pt = gDraw->CPoint2Dbxy(point);
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DbRect rect = gDraw->GetCurPointRect(pt);
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CLayer &layer = gLayer;
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if(!layer.HasObjectInRect(rect))
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return;
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//先找到第一个在rect 的obj -----------------------------------------------
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Sptr<CObjBase> pObj = layer.GetFirstObjInRect(rect);
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//获得obj 在rect 中的第一个node 点-----------------------------------------------
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vector<DbLine> LineVec;
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pObj->GetLineInRect(rect,LineVec,false);
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Dbxy NodePt = LineVec[0].m_pt1.GetPt();
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if(!IsPointInRect(NodePt,rect))
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{
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NodePt = LineVec[0].m_pt2.GetPt();
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}
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if(!IsPointInRect(NodePt,rect))
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return;
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//获得NodePt 在obj 的序号
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int idx = pObj->GetNodePtIdx(NodePt);
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if(idx!=-1 && idx!=0)
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{
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//前一部分
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CObjPline *pPline1 = new CObjPline;
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pPline1->CopyPt(*(pObj.GetPtr()));
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pPline1->SetSelected(true);
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int ptCnt = pPline1->GetPtCnt();
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for(int i=0;i<(ptCnt-(idx+1));i++)
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{
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pPline1->DelLastDataPoint();
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}
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//后一部分
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CObjPline *pPline2 = new CObjPline;
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pPline2->CopyPt(*(pObj.GetPtr()));
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pPline2->SetSelected(true);
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for(int i=0;i<idx;i++)
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{
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pPline2->DelNodePtByIdx(0);
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}
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//创建撤销指令-----------------------------------
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Sptr<CObjBase> pObj1(pPline1);
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Sptr<CObjBase> pObj2(pPline2);
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m_TmpObjContainer.AddObject(pObj1);
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m_TmpObjContainer.AddObject(pObj2);
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m_TmpObjContainer.AllObjAddToLayer();
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m_TmpObjContainer.Clear();//清空容器
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gLayer.DelObj(pObj);
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//创建撤销指令
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CCommandBreakNode *pCmd = new CCommandBreakNode;
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pCmd->AddOpObj(pObj);
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pCmd->AddOpObj(pObj1);
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pCmd->AddOpObj(pObj2);
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gCommandMgr.AddUndoCommand(pCmd);
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//刷新
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GetCurViewPtr()->RefreshView();
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}
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}
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