/**
 * Select校验组件
 * js组件：SelectObj.js
 * 属性：isNullable：是否为空。 当为NO时不可以为空，需要非空校验；当为YES时可以为空，不需要非空校验。
 * 说明：1、非空校验
 *      2、将Enter 键转换为 Tab 键。
 */
 function SelectObj(editerObj){

	//定义输入对象
	this.edtObj = editerObj;


	//公共方法
	this.getParentObj = SEL_getParentObj;
	this.getBaseObj = SEL_getBaseObj;

	this.onvalidate = SEL_onvalidate;

	this.onReady = SEL_onDocumentReady;
 	this.eventBand = SEL_eventBand;


	//私有方法

	//私有对象
    var ParObj=null;
    var BasObj=null;
}

 	function SEL_getParentObj(){
    	if(this.ParObj==null){
    		this.ParObj = new BaseObj(this.edtObj);
    		}
    		return this.ParObj;
   	}
   function SEL_getBaseObj(){
   	if(this.BasObj==null){
   		this.BasObj = new BaseObj(this.edtObj);
   	}
   	return this.BasObj;

   	}

    function SEL_onvalidate() {
     //调用BaseObject中的公用函数检查数据合法性
     if(!this.getBaseObj().commonCheck())	return false;
     return true;
    }

/**
 *名称：onDocumentReady
 *功能：在select中自动增加这项<option value="">请选择</option>
 *形参：
 *
 *返回：
 */
function SEL_onDocumentReady() {
	//只增加一个"请选择"
	//modify by dongxin 2007-9-26 依据isNoDefault判断是否生成请选提示
	var isNoDefault = this.edtObj.getAttribute("isNoDefault");
	if(isNoDefault != null && isNoDefault.toUpperCase() == "TRUE"){
	
	}else{
		try{
			if(this.edtObj.options(0).text != "请选择")
				this.edtObj.add(new Option("请选择",""),0);
    	}catch(e){}
	}
    var isNoSelected = this.edtObj.getAttribute("isNoSelected");
    if(isNoSelected != null && isNoSelected.toUpperCase() == "TRUE"){
     	this.edtObj.selectedIndex = 0;
     	return;
    }

	var flag = false;
	var isNotInDW = this.edtObj.getAttribute("isNotInDW");
	isNotInDW = isNotInDW == null ? "false" : isNotInDW.toLowerCase();
	for(var i=1; i<this.edtObj.options.length; i++){
        if(this.edtObj.options(i).isSelectedInDW != null && this.edtObj.options(i).isSelectedInDW.toUpperCase() == "TRUE"){
            this.edtObj.selectedIndex = i;
            flag = true;
            break;
        }
       if(isNotInDW != "true")
       		if(this.edtObj.options(i).selected) flag = true;
    }
    if(!flag&&this.edtObj.selectedIndex == 0) this.edtObj.selectedIndex = 0;

    //调用父类的初始化方法
    this.getParentObj().onReady()
}

function SEL_eventBand(){}


SelectObj.prototype.beforeSubmit = function(){
	if(this.edtObj.disabled){
		this.edtObj.disabled=false;
	}
	this.getParentObj().beforeSubmit();
}