common.js

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/**
 * 应用上下文路径，如果定义了控制台路径，则包含控制台路径。
 */
//var __CONTEXT_PATH = "/e4/admin";
/**
 * 基本应用上下文路径，不包含控制台路径，是纯应用上下文路径。
 */
//var __BASE_CONTEXT_PATH = "/e4";

/**
 * 获得应用上下文路径。
 */
function getContextPath(){
	return getContextPath(true);
}

/**
 * 获得应用上下文路径。
 * @param includeConsolePath 如果为true表示返回路径包含控制台路径；如果为false表示返回路径不包含控制台路径。
 * @return 返回应用上下文路径
 */
function getContextPath(includeConsolePath){
	if(includeConsolePath == null  || includeConsolePath){
		if(typeof(__CONTEXT_PATH) == "undefined"){
			alert('未定义请求路径！');
			return "";
		}
		return __CONTEXT_PATH;
	}else{
		if(typeof(__BASE_CONTEXT_PATH) == "undefined"){
			alert('未定义基本请求路径！');
			return "";
		}
		return __BASE_CONTEXT_PATH;
	}
}

function doSubmit(){
	document.forms[0].submit();
}
//----------------------------------------------------
function doAction(action,arg){
	if(!check()) return;
	setValue("_action",action);
	if(arg!=null){
		//附加参数
  	document.forms[0].target="";
    document.forms[0].action=document.forms[0].action+"?"+arg;
	}
	document.forms[0].submit();
	if( getEvent() != null ) {
      var e = getEventElement();
	  e.disabled=true;
	}
}

//查找
function doFind(){
	document.forms[0].target="";
    document.forms[0].action=document.forms[0].action+"?_pageFirst=true";
	document.forms[0].submit();
}

function doDialogAction(action,arg,features){
	if(!check()) return;
	setValue("_action",action);
	if(arg!=null && arg.trim()!=""){
		//附加参数
  	document.forms[0].target="";
	var orgAction = document.forms[0].action;
    document.forms[0].action=document.forms[0].action+"?"+arg;
	}
	if(features==null || features.trim()==""){
		var dHeight = 400;
		var dWidth = 400;
		var left = (window.screen.width - dWidth)/2;	
		var top = (window.screen.height - dHeight)/2;	
		features = 'dialogHeight:'+dHeight+'px;dialogWidth:'+dWidth+'px;dialogLeft:'+left+'px;dialogTop:'+top+'px;';
	}
	window.showModalDialog(getContextPath() + "/epod/page/common/proxyDialog.html",window,features); 
	//还原action的值，否则可能造成action值被不断累加得到不期望的结果
	document.forms[0].action = orgAction;
}

function doLink(link){
	if(link != null && link.indexOf("/")==0){
		link = getContextPath() + link;
	}
	window.location=link;
}


//在dialog窗口中设置原来窗口的元素。
function setSrcWindowTextValue(objName , value){
	if(objName != null ) {
		//var obj = window.dialogArguments.document.all(objName);
		var obj = window.dialogArguments.document.getElementsByName(objName);
		if(obj != null ) 	obj[0].value = value;
	}
}
//在dialog窗口中设置原来窗口的CheckBox元素。
function setSrcWindowCheckBox( objName , value ) {
	if(objName != null ) {
		//var obj = window.dialogArguments.document.all(objName);
		var obj = window.dialogArguments.document.getElementsByName(objName);
		if(obj != null ) 	obj[0].checked = value;
	}
}

//返回当前单元得单选和多选按钮用户选中的值，只能支持单主键得情况。
//返回值是选中1,选中2。。。最后没有逗号。没有选中，提示noSelectHint，并返回空。
function getCheckSingleValue(){
  //var unitid = getUnitId(event.srcElement);
  var unitid = getUnitId(getEventElement());
	var head = unitid+"._check";

	//var checks = document.all(head);
	var checks = getAllElements(head);
	if( checks == null ) return null;
	
	var flag = false ; 
	var returnValue = "";
	var thisValue ="";
	/*
	if( checks.length == null ) {
		if (checks.checked) {
			thisValue = checks.value;
			returnValue += thisValue.substring(thisValue.indexOf(",")+1);
			flag = true;
		}
		
	} else {
		*/
		for(var ii=0 ; ii < checks.length ; ii++) {
			if (checks[ii].checked) {
				thisValue = checks[ii].value;
				if( flag ) returnValue += ",";
				returnValue += thisValue.substring(thisValue.indexOf(",")+1);
				flag = true;
			}
		}
		/*
	}
	*/
	if( !flag ) {
		return null;
	}

	return returnValue;
}

function disableF5(){ 
  //with (event){ 
	var e = getEvent();
	if(!e) return;
	with (e){
          // F5 and Ctrl+R 
    if ((keyCode==116 || (ctrlKey && keyCode==82)) && e.repeat){ 
	  alert('不要重复刷新页面,这将导致系统资源耗尽.');
      e.keyCode = 0; 
      e.cancelBubble = true; 
      return false; 
    } 
  } 
} 

document.onkeydown = disableF5; 

function doDelete(action,unitId){
	//判断是否需要做删除动作
	var needDelete = false
	
	var unitid = unitId;
	if(unitid == null){
		//unitid = getUnitId(event.srcElement);
		unitid = getUnitId(getEventElement());
	}
	//alert("unitid="+unitid);
	var head = unitid+"._check";
	//var checks = document.all(head);
	var checks = getAllElements(head);
	if(!checks) return ;
	/*
	if(!checks.length){	
			if(checks.checked){
				needDelete = true;
			}
		
	}else{
		*/
		for(var i=0;i<checks.length;i++){		
			if(checks[i].checked){
				needDelete = true;
			}
		}
		/*
	}
	*/
	if(!needDelete) return ;
	//做删除操作
	if (confirm("删除操作不可恢复,你确认吗?")){
		deleteRow();
		doAction(action);
	}
}

function doConfirm(msg,action,arg){
	if(confirm(msg)){
		if(arg != null){
			doAction(action,arg);
		}else{
			doAction(action);
		}
	}
}

function onTableSelected(obj,tableName){
	if(obj.checked==true) setCheckBoxByTable(tableName,true);
	else setCheckBoxByTable(tableName,false);
}
function setCheckBoxByTable(tableName,flag){
	var obj = document.forms[0].all("check");
	for (var i=0;i<obj.length;i++){
		if (obj[i].name.indexOf(tableName+"._check")!=-1){
			obj[i].checked=flag;
			obj[i].parentElement.parentElement.style.display=(flag==false?"none":"block");
		}
	}
}
//此方法供列表单元使用
function deleteRow(){
	//取单元编号
	//var unitid = getUnitId(event.srcElement);
	var unitid = getUnitId(getEventElement());
	var head = unitid+".";
	//var checks = document.all(head+"_check");
  //var table = document.all("_u_"+unitid);
    var checks = getAllElements(head+"_check");
	var table = getAllElements("_u_"+unitid);
	if(!checks) return ;
/*
	if(checks.length == undefined){	
			if(checks.checked){
				//定位checkbox所在的若干row
				var rows = table.all(getRow(checks).id);
				var operator = findOperator(head,rows);
				//4种状态中，只处理'修改'、'浏览'、'新增'，不理会'删除'
				//alert("operator="+operator.value);
				if(operator.value=="u" || operator.value=="s" || operator.value=="q"){
					hiddenRows(rows);
					operator.value = "d";
				}else if(operator.value=="i"){
					removeRows(rows);
					i--;
				}
			}
	}else{
		*/
		for(var i=0;i<checks.length;i++){		
			if(checks[i].checked){
				//定位checkbox所在的若干row
				//var rows = table[0].all(getRow(checks[i]).id);
				var rows = getAllElements(getRow(checks[i]).id,table[0]);
				var operator = findOperator(head,rows);
				//4种状态中，只处理'修改'、'浏览'、'新增'，不理会'删除'
				if(operator.value=="u" || operator.value=="s" || operator.value=="q"){
					hiddenRows(rows);
					operator.value = "d";
				}else if(operator.value=="i"){
					removeRows(rows);
					//i--;
				}
			}
		}//for end
		/*
	}
	*/
	//reset
	//table.parentElement.innerHTML = table.parentElement.innerHTML ;
	table[0].parentNode.innerHTML = table[0].parentNode.innerHTML;
	//重新排序
	order(unitid);

}

function hiddenRows(rows){
	if(rows.length){
		for(var i=0;i<rows.length;i++){	
			rows[i].style.display="none";
		}
	}else{
		rows.style.display="none";
	}
}
function removeRows(rows){
	if(rows.length){
		for(var i=0;i<rows.length;i++){	
			//rows[i].removeNode(true);
			var parent = rows[i].parentNode;
			parent.removeChild(rows[i]);
			//i--;
		}
	}else{
   		//rows.removeNode(true);
		var parent = rows.parentNode;
		parent.removeChild(rows);
	}
}
function findOperator(head,rows){
	if(rows.length){
		//return rows[rows.length-1].all(head+"d");
		for(var i=0;i<rows.length;i++){
			//var ope = rows[i].all(head+"d");
			var ope = getAllElements(head+"d",rows[i]);
			if(ope.length){