common.js

struts2 dwr spring 集成的例子

function MM_swapImgRestore() { //v3.0
	var i,x,a=document.MM_sr;
	for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++){
		if(x.flag==null || x.flag == false){
			x.src=x.oSrc;
		}
	}
}

function MM_preloadImages() { //v3.0
	var d=document;
	if(d.images){
		if(!d.MM_p) {
			d.MM_p=new Array();
		}
		var i,j=d.MM_p.length,a=MM_preloadImages.arguments;
		for(i=0; i<a.length; i++) {
			if (a[i].indexOf("#")!=0){
				d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];
			}
		}
	}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

//format the number by special precision
function dataFormat(col_value,precision){
	if(precision<0){
		precision=0;
	}
	var addvalue = 5* Math.pow(10,-1*(precision+1));
	if(col_value>0){
		var value=col_value*1+addvalue;
	}else{
		var value=col_value*1-addvalue;
	}
	var value_str=value+"";
	var pointIndex=value_str.indexOf(".");
	if(precision==0){
		pointIndex--;
	}
	var toIndex=pointIndex+precision*1+1;
	if(toIndex>=value_str.length){
		toIndex=value_str.length-1;
	}
	value_str_final=value_str.substr(0,toIndex);
    /*while(value_str_final.lastIndexOf("0")==value_str_final.length-1){
	  value_str_final=value_str_final.substr(0,value_str_final.length-1);
	}*/

	while(value_str_final.lastIndexOf(".")==value_str_final.length-1){
		value_str_final=value_str_final.substr(0,value_str_final.length-1);
	}
	if(value_str_final*1==0 && value_str_final.charAt(0)=="-"){
		value_str_final=value_str_final.substr(1,value_str_final.length);
	}
	return value_str_final;
}

//make the status of cursor to wait
function setCursorWait(){
	for(var i=0;i<document.all.length;i++){
		document.all[i].org_cursor = document.all[i].style.cursor;
		document.all[i].style.cursor="wait";
	}
}

//resume the status of cursor with the appointed window
function waitEnd(obj){
	for(var i=0;i<obj.document.all.length;i++){
		if(obj.document.all[i].org_cursor!=null){
			obj.document.all[i].style.cursor=obj.document.all[i].org_cursor;
		}
	}
}

//set the wait hint, when loading page
var timeout = 0, waitTime = 0;
var nWinObj, nDocObj;
function setWaitHint(winObj, docObj){
	var stat = docObj.document.readyState;
	nWinObj = winObj;
	nDocObj = docObj;
	if (stat == "complete"){
		clearTimeout(timeout);
		winObj.document.all.waitHint.style.display = "none";
		waitEnd(winObj);
		docObj.style.display = "";
	}
	else{
		//waitTime = waitTime + 0.1;
		//winObj.document.all.waitTimeHint.innerHTML = "" + dataFormat(waitTime, 1) ;
		timeout = setTimeout("setWaitHint(nWinObj, nDocObj)", 100);
	}
}

/*
 * add the item of select
 * available
 * selected
 * delAlert
 */
function addItem(available, selected, addAlert){
	var i;

	if (available.selectedIndex >= 0) {
		for (i = 0; i < available.length; i++) {
			if (available.options[i].selected) {
				var ooption = document.createElement("option");
				ooption.text = available[i].text;
				ooption.value = available[i].value;
				selected.add (ooption, selected.length);
			}
		}

		for (i = available.length - 1; i >= 0; i--) {
			if (available.options[i].selected) {
			   available.remove(i)
			}
		}
	}
	else {
		if (available.length > 0) {
			alert(addAlert);
			available.focus();
		}
	}

	if(available.length > 0) {
		available.focus();
		available[0].selected = true;
	}
}

/*
 * delete item of select
 * available
 * selected
 * delAlert
 */
function delItem(available, selected, delAlert){
	var i;

	if (selected.selectedIndex >= 0) {
		for (i = 0; i < selected.length; i++) {
			if (selected.options[i].selected) {
				var ooption = document.createElement("option");
				ooption.text = selected[i].text;
				ooption.value = selected[i].value;
				available.add (ooption, available.length);
			}
		}

		for (i = selected.length - 1; i >= 0; i--) {
			if (selected.options[i].selected) {
			   selected.remove(i)
			}
		}
	}
	else {
		if (selected.length > 0) {
			alert(delAlert);
			selected.focus();
		}
	}

	if (selected.length > 0) {
		selected.focus();
		selected[0].selected = true;
	}
}

/*
 * drop the ege blank character of a string
 * sData String
 */
function trim(sData) {
	while ((sData.length > 0) && (( sData.charAt(0)==' ') ||( sData.charAt(0)=='\t'))){
		sData=sData.substring(1,sData.length);
	}
	while ((sData.length > 0) && (( sData.charAt(sData.length-1)==' ')
										|| sData.charAt(sData.length-1)=='\t')){
		sData=sData.substring(0,sData.length-1);
	}
	return sData;
}

/** replace content of a string with special string */
function replace(strSource, strFrom, strTo) {
	if(strSource == null || strFrom == null || strTo == null){
		return strSource;
	}

	var strDest = "";
	var intFromLen = strFrom.length;
	var intPos;

	while ((intPos = strSource.indexOf(strFrom)) != -1) {
		strDest = strDest + strSource.substring(0, intPos);
		strDest = strDest + strTo;
		strSource = strSource.substring(intPos + intFromLen);
	}
	strDest = strDest + strSource;
	return strDest;
}

/*
 * pop modal dialog
 * url
 * width
 * height
 * scrollable
 */
function openModalDialog(url, width, height, scrollable){
	var strFeatures = "dialogWidth:" + width + "px;"+"dialogHeight:" + height + "px;";
	strFeatures += "center:yes;help:no;resizeable:yes;status:no;scroll:";
	if(scrollable != null && "" != scrollable){
		strFeatures = strFeatures + scrollable;
	} else{
		strFeatures = strFeatures + "no";
	}

	window.showModalDialog(url, window, strFeatures);
}

/*
 * judge the order of two date strings
 * if beginDate is before endDate then return true, else return false
 *
 * beginDate
 * endDate
 */
function isBefore(beginDate, endDate){

	var flag = false;
	var beginDateObj = 	parseDate(beginDate);
	var endDateObj = parseDate(endDate);

	if(beginDateObj != null && endDateObj != null){

		if(beginDateObj.getTime() < endDateObj.getTime()){
			flag = true;
		}
	}
	return flag;
}

/*
 * judge the order of two date strings
 * if beginDate is before endDate then return true, else return false and hint alert
 *
 * beginDate
 * endDate
 * alertWords
 */
function isBeforeWithHint(beginDate, endDate, alertWords){

	var flag = isBefore(beginDate, endDate);

	if(flag == false){
		alert(alertWords);
	}
	return flag;
}

/*
 * parse date string, convert to date object with format yyyy-MM-dd
 */
function parseDate(dateStr){

	var datePat=/^(\d{2}|\d{4})(\-)(\d{1,2})(\-)(\d{1,2})$/;
	var matchArray = dateStr.match(datePat);
	if (matchArray == null){
		return null;
	}
	year = matchArray[1];
	month = matchArray[3];
	day = matchArray[5];
	if (year.length!=4 || month.length!=2 || day.length!=2){
		return null;
	}

	return new Date(year, month, day);

}

/*
 * 格式化货币数据
 *
 * 参数：
 *     currencyCode 货币符号
 *     money  金额
 *
 * 返回：格式化后的字符串
 */
function formatCurrency(currencyCode, money) {
	var retStr = currencyCode;

	if (isNaN(money) || money == 0) {
		retStr += "0.00";
	}
	else {
		if (money < 0) {
			retStr += " -";

			money = - money;
		}

		// 整数部分
		var n = Math.floor(money);
		var strN = "" + n;
		// 小数部分
		var m = Math.round((money - Math.floor(money)) * 100);

		var mod = strN.length % 3 - 1;

		if (mod < 0) mod += 3;

		for (var i = 0; i < strN.length; i++) {
		    retStr += strN.charAt(i);

		    if (i % 3 == mod && i != strN.length - 1) {
		        retStr += ",";
		    }
		}

	    retStr += ".";

		if (m > 0) {
			if (m > 9) {
				retStr += m;
			}
			else {
				retStr += "0";
				retStr += m;
			}
		}
	    else {
	        retStr += "00";
	    }
	}

	return retStr;
}


	/*
	 *单元格变色
	 */
	function changeto(highlightcolor){
	   source = event.srcElement;
	   if (source.tagName == "TABLE"){
	      return;
	   }
	   while(source.tagName != "TR"){
	      source = source.parentElement;
	   }
	   if (source.style.backgroundColor != highlightcolor&&source.id != "ignore"){
	      source.style.backgroundColor = highlightcolor;
	   }
	}


	/*
	 *多选(传入多选框的Id和被选框的Id)
	 */
	function multiSelect(objId1,objId2){
	   var obj = eval('document.all.' + objId1);

	   if(typeof(obj) != "undefined"){

		   if(obj.length != null){
		      for(var i = 0;i<obj.length;i++){
		         obj[i].checked = eval('document.all.' + objId2).checked;
		      }
		   }
		   else{
		       obj.checked = eval('document.all.' + objId2).checked;
		   }

	   }
	}


   /*
    * table_ID : the table ID
    * batchCheck_ID : batchCheck_ID
    * 全选时使整个表格变色
    */
	function changeTableColor(table_ID,batchCheck_ID){

	   var color = "#EDEDEC";
	   var obj = eval("document.all." + table_ID);
	   var batchCheck = eval("document.all." + batchCheck_ID);

	   var childArrays = obj.rows;
	   if(batchCheck.checked){
	     color = "#BFCAD9";
	   }

	   for(var i = 1;i<childArrays.length;i++){
	     childArrays[i].style.backgroundColor = color;
	   }
    }


/**
 * Checks dateTime (YYYY-MM-dd HH:mm)
 *
 * strValue : The string validation is being performed on.
 *
 * return : true if valid, false if invalid.
 */
function isValidateDateTime( strValue ) {
	var objRegExp = /^(\d{4})\-(\d{2})\-(\d{2}) (\d{2}):(\d{2})$/;
	var isValid = false;

	if(!objRegExp.test(strValue)){

		isValid = false;

	} else{
		var intYear = parseInt(strValue.substring(0, 4),10);
		var intMonth = parseInt(strValue.substring(5, 7),10);
		var intDay = parseInt(strValue.substring(8, 10),10);
		var intHour = parseInt(strValue.substring(11, 13),10);
		var intMinute = parseInt(strValue.substring(14, strValue.length),10);

		isValid = isValidDate(intDay, intMonth, intYear);

		if(intHour > 23 || intHour < 0){
			isValid = false;
		}

		if(intMinute > 59 || intMinute < 0){
			isValid = false;
		}
	}
	return isValid;
}

/**
 * Checks date
 *
 * day : day of the date
 * month : month of the date
 * year : year of the date
 *
 * return : true if valid, false if invalid.
 */
function isValidDate(day, month, year) {
	if (month < 1 || month > 12) {
	        return false;
	    }
    if (day < 1 || day > 31) {
        return false;
    }
    if ((month == 4 || month == 6 || month == 9 || month == 11) &&
        (day == 31)) {
        return false;
    }
    if (month == 2) {
        var leap = (year % 4 == 0 &&
                   (year % 100 != 0 || year % 400 == 0));
        if (day>29 || (day == 29 && !leap)) {
            return false;
        }
    }
    return true;
}


/*
 *
 *check the date (format YYYY-MM-dd)
 *
 */
function isValidShortDate(dateValue){

   var re = /^(\d{4})\-(\d{2})\-(\d{2})$/;

   if(!re.test(dateValue)){
     return false;
   }

   var index = dateValue.indexOf("-");
   var lastIndex = dateValue.lastIndexOf("-");

   var year = dateValue.substring(0,index);
   var month = dateValue.substring(index + 1,lastIndex);
   var day = dateValue.substring(lastIndex + 1);

   return isValidDate(day,month,year);

}



/*
 * invalid input if not number
 */
function validNumberText(){
  if (!(((window.event.keyCode >= 48) && (window.event.keyCode <= 57)) ||
      (window.event.keyCode == 13) ||
      (window.event.keyCode == 46) ||
      (window.event.keyCode == 45))){
        window.event.keyCode = 0 ;
   }
}

/*
 * 格式化货币数据
 *
 * 参数：
 *     currencyCode 货币符号
 *     money  金额
 *
 */
function onKeyPressInNumFld(isDecimal, allowNegative) {
    if (isDecimal == null) isDecimal = true;
    if (allowNegative == null) allowNegative = true;

    if (!((event.keyCode > 47 && event.keyCode < 58)
			|| event.keyCode == 13
			|| (event.keyCode == 45 && allowNegative)
			|| (event.keyCode == 46 && isDecimal))) {
		event.returnValue = false;
	}
}