#include "StdAfx.h"
#include "MouseToolMoveNode.h"
#include "GlobalDrawMgr.h"
#include "GlobalFunction.h"
#include "CommandMoveNode.h"
#include "CommandMgr.h"

CMouseToolMoveNode::CMouseToolMoveNode(void)
{
    m_NodeIdx = -1;
}
CMouseToolMoveNode::~CMouseToolMoveNode(void)
{
}
void CMouseToolMoveNode::OnLButtonDown(UINT nFlags, CPoint point,CClientDC &dc)
{
    if(m_Status==_STATUS_1)
    {
         Dbxy pt = gDraw->CPoint2Dbxy(point);
         DbRect rect = gDraw->GetCurPointRect(pt);
         
         CLayer &layer = gLayer;
         if(!layer.HasSelNodeInRect(rect))
             return;
         //先找到第一个在rect 的obj -----------------------------------------------
         Sptr<CObjBase> pObj = layer.GetFirstNodeObjInRect(rect);
         m_TmpObjContainer.AddObject(pObj);
         //获得obj 在rect 中的第一个node 点-----------------------------------------------
         vector<DbLine> LineVec;
         pObj->GetLineInRect(rect,LineVec,false);
         Dbxy NodePt = LineVec[0].m_pt1.GetPt();
         if(!IsPointInRect(NodePt,rect))
         {
              NodePt = LineVec[0].m_pt2.GetPt();
         }
         if(!IsPointInRect(NodePt,rect))
             return;
         //获得NodePt 在obj 的序号
         m_NodeIdx = pObj->GetNodePtIdx(NodePt);
         if(m_NodeIdx!=-1)
         {
              //记录旧的坐标
              m_OldPt = NodePt;
              ToNextStatus();
         }
         
    }
}
void CMouseToolMoveNode::OnLButtonUp(UINT nFlags, CPoint point,CClientDC &dc)
{
     if(!m_TmpObjContainer.Empty())
     {
         //创建撤销指令-------start
         CCommandMoveNode *p = new CCommandMoveNode;
         p->SetPar(m_NodeIdx,m_OldPt,m_NewPt);
         gCommandMgr.AddUndoCommand(p,m_TmpObjContainer.GetObjVec());
         p->Excute();
         //创建撤销指令-------end
     }
     //清空临时容器
     m_TmpObjContainer.Clear();
    
     OperateOver();
     m_Status = _STATUS_END;
}
void CMouseToolMoveNode::OnMouseMove(UINT nFlags, CPoint point,CClientDC &dc)
{
    Dbxy CurPt = gDraw->CPoint2Dbxy(point);
    CLayer &layer = gLayer;
    if(nFlags&MK_LBUTTON && (m_Status!=_STATUS_1))
    {
         if(m_bFirstMove==false)
         {
             layer.XorRedrawObj(&dc);//擦除之前的
         }
         m_bFirstMove = false;
         m_TmpObjContainer.SetNodePtByIdx(m_NodeIdx,CurPt);
         //记录新的坐标
         m_NewPt = CurPt;
         
         layer.XorRedrawObj(&dc);//重绘
    }
}