static.scripts.common.SemesterSelect.js Maven / Gradle / Ivy

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    // 缺省值
    var defaultSemesterValues=new Object();
    // 页面上所有的三级级联选择
    var calendarSelects= new Array();
    // 当前的三级级联选择
    var yearSelectQueue=new Array();
    var termSelectQueue=new Array();
    var originalOnChanges=new Array();
    var selectInited=new Object();
    // 初始化校历选择框
    function intCalendarSelect(calendars){
        if(null==selectInited[this.calendarSelectId]){
           selectInited[this.calendarSelectId]=true;
        }else{
           return;
        }
        if( null==document.getElementById(this.calendarSelectId)) return;
        defaultSemesterValues[this.calendarSelectId]=document.getElementById(this.calendarSelectId).value;
        dwr.util.removeAllOptions(this.calendarSelectId);
        if(this.calendarDefaultFirst){
          	dwr.util.addOptions(this.calendarSelectId,calendars,'id','name');
          	if(this.calendarNullable){
               dwr.util.addOptions(this.calendarSelectId,[{'id':'','name':'...'}],'id','name');
            }
        }else{
          	if(this.calendarNullable){
               dwr.util.addOptions(this.calendarSelectId,[{'id':'','name':'...'}],'id','name');
            }
            dwr.util.addOptions(this.calendarSelectId,calendars,'id','name');
        }
        
        // 让非空的学生类别作为默认
        if(""!=defaultSemesterValues[this.calendarSelectId])        
	        setSelected(document.getElementById(this.calendarSelectId),defaultSemesterValues[this.calendarSelectId]);
       
        var selfOnchange =document.getElementById(this.calendarSelectId).onchange;
        document.getElementById(this.calendarSelectId).onchange=function (event){
            if(event==null)
               event=getEvent();
	        notifyYearChange(event);
	        if(selfOnchange!=null)
    	        selfOnchange();
	    }
    }
    // 初始化学年度选择框
    function initYearSelect(){
       dwr.util.removeAllOptions(this.yearId);       
       var std= document.getElementById(this.calendarSelectId);
       if(std.value!=""){
            yearSelectQueue.push(this);
       		semesterDao.getYearsOrderByDistance(std.value,setYearOptions);       
       }
       var originalOnChange=document.getElementById(this.yearId).onchange;
       if(null==originalOnChange){
          document.getElementById(this.yearId).onchange=function(event){notifyTermChange(event,null);}
       }else{
           originalOnChanges[originalOnChanges.length]=originalOnChange;
           document.getElementById(this.yearId).onchange=
           //function(event){alert(1);notifyTermChange(event,null);originalOnChanges[(originalOnChanges.length-1)]();}
           new Function("event","notifyTermChange(event,null);originalOnChanges["+(originalOnChanges.length-1)+"]();");
       }
    }
    // 通知学年度变化,填充学年度选择列表
    function notifyYearChange(event){
       if(event==null)return;
       //alert("event in notifyYearChange"+event);
       yearCalendarSelects = getMyCalendarSelects(getEventTarget(event).id);
       //alert(yearCalendarSelects.length);
       for(var i=0;i