#include "StdAfx.h"
#include "MouseToolPointer.h"
#include "LogMgr.h"
#include "GlobalDrawMgr.h"
#include "DrawSimpleShape.h"
#include "GlobalFunction.h"
#include "MarkAreaMgr.h"

#define PT_SEL_SCALE 0.1 //点选rect 的比例
CMouseToolPointer::CMouseToolPointer(void)
{
}
CMouseToolPointer::~CMouseToolPointer(void)
{
}
void CMouseToolPointer::OnLButtonDown(UINT nFlags, CPoint point,CClientDC &dc)
{
    CLayer &layer = gLayer;
    if(m_Status==_STATUS_1)
    {
         SaveDownPoint(point);//记录第一个点
         ToNextStatus();
    }
    else
    {
         DbRect rect;
         Dbxy pt2 = gDraw->CPoint2Dbxy(point);
         if(gDraw->IsbRectSel())//只有框选的时候才绘制
         {
              DrawRect(&dc,gDraw->GetMouseRectPen(),m_DownPoint,pt2);
         }
         //创建鼠标选择矩形区域
         rect.Creat(m_DownPoint,pt2);
         if(rect.IsZero())//点选
         {
             if(gDraw->IsbPointSel())
             {
                   rect = gDraw->GetCurPointRect(pt2,PT_SEL_SCALE);
                   layer.SelObjectInRect(rect,false);
             }
         }
         else
         {
              if(gDraw->IsbRectSel())//允许框选
              {
                    //正向拉需要全部包住才算
                    if(m_DownPoint.x<pt2.x)
                    {
                        layer.SelObjectInRect(rect,true);
                    }
                    else//反向拉挂到边也算
                    {
                        layer.SelObjectInRect(rect,false);
                    }
                    gMarkAreaMgr->SelAreaByPt(rect.GetCenterPt());
              }
         }
         GetCurViewPtr()->RefreshView();
         
         m_Status = _STATUS_1;
    }
}
void CMouseToolPointer::OnLButtonUp(UINT nFlags, CPoint point,CClientDC &dc)
{
    if(m_Status!=_STATUS_1)//点选
    {
        Dbxy pt2 = gDraw->CPoint2Dbxy(point);
        DbRect rect;
        rect = gDraw->GetCurPointRect(pt2,PT_SEL_SCALE);
        if(gDraw->IsbPointSel())
        {
             if(gLayer.SelObjectInRect(rect,false))
             {
                  GetCurViewPtr()->RefreshView();
                  m_Status = _STATUS_1;
             }
        }
    }
}
void CMouseToolPointer::OnMouseMove(UINT nFlags, CPoint point,CClientDC &dc)
{
    Dbxy pt2 = gDraw->CPoint2Dbxy(m_PreMovePt);
    Dbxy pt2New = gDraw->CPoint2Dbxy(point);

    if(m_Status!=_STATUS_1)//框选图形
    {
         if(gDraw->IsbRectSel())//只有框选的时候才绘制
         {
               if(HasPreMovePt())//擦除之前的
               {
                   DrawRect(&dc,gDraw->GetMouseRectPen(),m_DownPoint,pt2);
               }
               DrawRect(&dc,gDraw->GetMouseRectPen(),m_DownPoint,pt2New);
         }
         SavePreMovePt(point);
    }
}