front_end/libs/Renderer/CurrentState.js

function CurrentState() {

   //画什么
   this.startbuild = null;
   //添加元素
   this.addSymbol = null;

   //选中门时候的两个端点
   this.currentSymbolCircleId1 = null;
   this.currentSymbolCircleId2 = null;

   //当前元素是否存在
   this.currentSymbol = false;
   //当前活动的墙
   this.currentWallId = null;

   //选中的线段所在位置的起始点
   //选中点的位置
   this.currentstartlinePointIndex = null;
   //选中的线段所在位置的终点
   this.currentendlinePointIndex = null;

   //当前选中的圆圈
   this.currentCircleId = null;
   //当前选中的点
   this.currentPointId = null;
   //当前选中的扇形
   this.currentSecotrId = null;

   //当前选中的线段
   this.currentLineId = null;

   //当前选中的symbol的id
   this.currentSymbolId = null;
   //当前选中的楼梯的id
   this.currentStairId = null;
   //选中的线段上的端点所在id
   this.currentLinePoint1Id = null;
   this.currentLinePoint2Id = null;
   //当前点是否被墙包含
   //id表示墙的vectorid，index表示墙对应的点的index，endindex表示墙的另一端对应的点的index，type表示对应的是墙角还是墙面
   this.selectWallSet = null;
   this.selectStairSet = null;

   //当前所处的状态
   //0表示什么也没有选中，1表示选中的是墙，2表示选中的是墙角，3表示选中的是墙上的门或窗户等元素
   //this.state=0;

   //当前状态和上一个状态一致
   CurrentState.prototype.isRetain = function (laststate) {
      if (this.currentstartlinePointIndex === laststate.currentstartlinePointIndex && this.currentendlinePointIndex === laststate.currentendlinePointIndex) {
         if (this.currentWallId === laststate.currentWallId && this.currentStairId === laststate.currentStairId) {
            return true;
         }

      }
      return false;
   };

   CurrentState.prototype.clearSelectSymbol = function () {
      this.currentSymbolCircleId1 = null;
      this.currentSymbolCircleId2 = null;
      this.currentSymbol = false;
      this.currentSymbolId = null;
   };

   CurrentState.prototype.clearSelects = function () {
      this.currentSymbolCircleId1 = null;
      this.currentSymbolCircleId2 = null;
      this.currentSymbol = false;
      this.currentWallId = null;
      this.currentstartlinePointIndex = null;
      this.currentendlinePointIndex = null;
      this.currentCircleId = null;
      this.currentPointId = null;
      this.currentSecotrId = null;
      this.currentLineId = null;
      this.currentSymbolId = null;
      this.currentLinePoint1Id = null;
      this.currentLinePoint2Id = null;
      //this.selectWallSet=null;	
   };
};