JAVASCRIPT UTILITY FUNCTIONS WITH SAMPLE JQUERY AJAX

/*
 * Function is used to call ajaxRequest
 */
function ajaxRequest(actionName,dataUrl, callBack,options){
var optionsLocal = {"showSpinner":true};
resetTimeOut();
optionsLocal = $.extend(optionsLocal,options);
$.ajax({
url: actionName,
type: "POST",
cache: false,
data:dataUrl,
dataType:"html",
context: document.body,
success: function(data)
{
if(callBack){
if(data=="404"){
callBack("<b>No Data Found</b>",options);}
else
callBack(data,options);
}
},
beforeSend:function (){
if(optionsLocal.showSpinner==true){
$('#ajaxImage').show();
$('#ajaxBackground').show();
}
},
complete:function (){
if(optionsLocal.showSpinner==true){
$('#ajaxImage').hide();
$('#ajaxBackground').hide();
}
},
error: function(){
//Hide the spinner div
$('#ajaxImage').hide();
$('#ajaxBackground').hide();
}
});

}

function triggerOne(){
var valueAtWhichTriigered= $("#dropDownValueUserName").val();
$('#divDropdown option[value="'+valueAtWhichTriigered+'"]').attr("selected","selected"); //automatically select the value in dropdown
$('#divDropdown').trigger('change',valueAtWhichTriigered);//trigger next on basis of that dropdown value
}

function trim(fieldVal){
var field = fieldVal.replace(/^\s+|\s+$/g,"");
return field;
}

function eraseCookie(name) {
setCookie(name, "", -1);
}

function areCookiesEnabled(){
var r = false;
setCookie("test","hello",1);
if (getCookie("test") != null) {
r = true;
eraseCookie("test");
}
return r;
}

function setCheckVal(){
if(document.getElementById("rememberMe").checked){
document.getElementById("rememberMe").value="Y";
}
else{
document.getElementById("rememberMe").value="N";
}
}

function getCookie(c_name){
var i,x,y,ARRcookies=document.cookie.split(";");
for (i=0;i<ARRcookies.length;i++){
x=ARRcookies[i].substr(0,ARRcookies[i].indexOf("="));
y=ARRcookies[i].substr(ARRcookies[i].indexOf("=")+1);
x=x.replace(/^\s+|\s+$/g,"");
if (x==c_name){
return unescape(y);
}
}
}

function setCookie(c_name,value,exdays){
var exdate=new Date();
exdate.setDate(exdate.getDate() + exdays);
var c_value=escape(value) + ((exdays==null) ? "" : "; expires="+exdate.toUTCString());
document.cookie=c_name + "=" + c_value;
}


/**************************************GET USER PROFILE START***********************/

function getUserProfile(){
ajaxRequest("userProfile.action","",getUserProfileManp,{"showSpinner":true});
}

function getUserProfileManp(data,options){
var response=data.split("|");
$("#firstName").val(response[1]);
$("#lastName").val(response[2]);
$("#emailId").val(response[3]);
var role=response[4];
$('#updateMyProfile input[@type=radio][value="'+role+'"]').attr("checked","checked");
$("#updateMyProfile").show();
}

function showProfile(){
ajaxRequest("userProfile.action","",showProfileManp,{"showSpinner":true});
}

function showProfileManp(data,options){
var response=data.split("|");
$("#myFirstName").html(response[1]);
$("#myLastName").html(response[2]);
$('#myEmailId').html(response[3]);
$('#myRole').html(response[4]);
$("#myProfile").show();
}

/**************************************GET USER PROFILE END***********************/

/**************************************USER MANAGEMENT START***************************/

function showChangePassword(){
$("#changePassword").show();
}

function createUsers(){
$("#createNewUser").show();
}


$(function() {
$("#updateMyProfile input").keypress(function(e) {
if (e.keyCode == 13)
{
updateUserProfile();
}
});
});



function updateUserProfile(){
var validate=false;
var usernameField=$("#username");
var firstNameField=$("#firstName");
var lastNameField=$("#lastName");
var emailField=$("#emailId");
var username=usernameField.val();
var firstName=trim(firstNameField.val());
var lastName=trim(lastNameField.val());
var email=trim(emailField.val());
var role=$("input[@type=radio]:checked").val();
if(validateField(firstNameField,firstName,$("#frstNameReq"))==true){
validate=true;
}
if(validateField(lastNameField,lastName,$("#lstNameReq")) ==true){
validate=true;
}
if(validateEmail(emailField,email,$("#emailReq"))==true){
validate=true;
}
var dataUrl="authBean.userName="+username+"&authBean.firstName="+firstName+"&authBean.lastName="+lastName+"&authBean.emailId="+email+"&authBean.role="+role;
if(validate!=true){
ajaxRequest("updateProfile.action",dataUrl,updateUserProfileManp,{"showSpinner":true});
}
}

function updateUserProfileManp(data,options){
$("#updateMsg").html(data);
$("#updateMsg").show();
}


$(function() {
$('#changePassword input').keypress(function(e) {
if (e.keyCode == 13)
{
changePassword();
}
});
});

function changePassword(){
var validate=false;
var userNameField=$("#username");
var oldPassField=$("#oldPass");
var newPassField=$("#newPass");
var confPassField=$("#confirmPass");
var username=userNameField.val();
var oldPassword=trim(oldPassField.val());
var newPassword=trim(newPassField.val());
var confirmPassword=trim(confPassField.val());
var dataUrl="";
if(validateField(oldPassField,oldPassword,$("#oldPassReq"))==true){
validate=true;
}
if(validateField(newPassField,newPassword,$("#newPassReq"))==true){
validate=true;
}
if(validateField(confPassField,confirmPassword,$("#confPassReq"))==true){
validate=true;
}
if(confirmPassword==newPassword && validate!=true){
dataUrl="authBean.userName="+username+"&authBean.oldPassword="+oldPassword+"&authBean.newPassword="+newPassword;
ajaxRequest("changePassword.action",dataUrl,changePasswordManp,{"showSpinner":true});
}
else{
if(validate!=true){
newPassField.addClass("error");
confPassField.addClass("error");
$("#changePassMsg2").html("Confirmed password not matching with new password!!");
$("#changePassMsg2").show();
}
}
}

function changePasswordManp(data,options){
$('#changePassword input').removeClass('error');
$("#oldPass").val('');
$("#newPass").val('');
$("#confirmPass").val('');
$("#changePassMsg2").html('');
$("#changePassMsg2").hide();
if(data=="Old password is incorrect!"){
$("#oldPass").addClass("error");
$("#oldPassReq").html(data);
$("#oldPassReq").show();
}
else{
$("#changePassMsg").html(data);
$("#changePassMsg").show();
}
}

$(function() {
$('#createNewUser input').keypress(function(e) {
if (e.keyCode == 13)
{
createUser();
}
});
});


function createUser(){
var validate=false;
var dataUrl="";
var userName=$("#userNameCu");
var firstName=$("#frstNameCu");
var lastName=$("#lastNameCu");
var email=$("#emailCu");
var role=$("#roleCu");
var userNameVal=trim(userName.val());
var firstNameVal=trim(firstName.val());
var lastNameVal=trim(lastName.val());
var emailVal=trim(email.val());
var roleVal=role.val();

if(validateField(userName,userNameVal,$("#userNameReqCu"))==true){
validate=true;
}
if(validateField(firstName,firstNameVal,$("#frstNameReqCu")) ==true){
validate=true;
}
if(validateField(lastName,lastNameVal,$("#lstNameReqCu")) ==true){
validate=true;
}
if(validateEmail(email,emailVal,$("#emailReqCu"))==true){
validate=true;
}
if(validateDropdown(role,roleVal,$("#rolReqCu"))==true){
validate=true;
}

if(validate!=true){
dataUrl="authBean.userName="+userNameVal+"&authBean.firstName="+firstNameVal+"&authBean.lastName="+lastNameVal+"&authBean.emailId="+emailVal+"&authBean.role="+roleVal;
ajaxRequest("createUser.action",dataUrl,createUserManp,{"showSpinner":true});
}
}

function createUserManp(data,options){
$('#createNewUser input').removeClass('error');
$("#userNameCu").val('');
$("#frstNameCu").val('');
$("#lastNameCu").val('');
$("#emailCu").val('');
$("#roleCu").val('');
if(data.indexOf("Duplicate") != -1){
$("#createMsg2").html(data);
$("#createMsg2").show();
}
else{
$("#createMsg").html(data);
$("#createMsg").show();
}
}

/**************************************USER MANAGEMENT END***************************/

/************************************VALIDATION LOGIC START****************************************************/

function validateField(fld,fldVal,errorFld){
var validate =false;
if(trim(fldVal) == ""){
validate=true;
fld.addClass("error");
errorFld.html("This field is required.");
errorFld.show();
}
return validate;
}

function validateDropdown(Id,Val,errorFld){
var validate =false;
if(Val == "-1"){
validate=true;
Id.addClass("error");
errorFld.html("This field is required.");
errorFld.show();
}
else{
validate=false;
Id.removeClass("error");
errorFld.html("");
errorFld.hide();
}
return validate;
}

function validateEmail(emailFld,emailVal,errorFld){
var validate =false;
if(trim(emailVal) == ""){
validate=true;
emailFld.addClass("error");
errorFld.html("This field is required!");
errorFld.show();
}
else{
var filter = /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/i;
//Testing Email Regex
if(!filter.test(emailVal)){
emailFld.addClass("error");
errorFld.html("Not a valid email!");
errorFld.show();
validate= true;
}else if(emailVal.length > 50){
emailFld.addClass("error");
errorFld.html("Email must be less than 50 characters!");
errorFld.show();
validate= true;
}
}
return validate;
}

/******************** VALIDATION FOR UPDATE USER START*********************************/
function validateUserNameOnBlur(obj){
validateField($(obj),$(obj).val(),$("#userNameReqCu"));
}

function validateFirstNameOnBlur(obj){
validateField($(obj),$(obj).val(),$("#frstNameReq"));
}

function validateLastNameOnBlur(obj){
validateField($(obj),$(obj).val(),$("#lstNameReq"));
}

function validateEmailOnBlur(obj){
if(trim($(obj).val())=="" ){
validateField($(obj),$(obj).val(),$("#emailReq"));
}else{
validateEmail($(obj),$(obj).val(),$("#emailReq"));
}
}

/*****************************VALIDATION FOR UPDATE USER END*********************************/

/*****************************VALIDATION FOR CREATE USER START ******************************/
function validateNewUserNameOnBlur(obj){
validateField($(obj),$(obj).val(),$("#userNameReqCu"));
}

function validateNewUserFirstNameOnBlur(obj){
validateField($(obj),$(obj).val(),$("#frstNameReqCu"));
}

function validateNewUserLastNameOnBlur(obj){
validateField($(obj),$(obj).val(),$("#lstNameReqCu"));
}

function validateNewUserEmailOnBlur(obj){
if(trim($(obj).val())=="" ){
validateField($(obj),$(obj).val(),$("#emailReqCu"));
}else{
validateEmail($(obj),$(obj).val(),$("#emailReqCu"));
}
}

function validateDropDwnOnChange(obj){
validateDropdown($(obj), $(obj).val(), $("#rolReqCu"));
}

/******************************VALIDATION FOR CREATE USER END**********************************/

/********************************VALIDATION FOR CHANGE PASSWORD START *************************/
function validateOldPassOnBlur(obj){
validateField( $(obj),$(obj).val(),$("#oldPassReq"));
}

function validateNewPassOnBlur(obj){
validateField($(obj),$(obj).val(),$("#newPassReq"));
}

function validateConfPassOnBlur(obj){
validateField($(obj),$(obj).val(),$("#confPassReq"));
}
/***************VALIDATION FOR CHANGE PASSWORD END**********************************************/

/************************************VALIDATION LOGIC END******************************************************/

/************************************CANCEL AND CLAER ERRORS START*****************************/

function cancleFunct(arg){
var mode=$(arg).attr('name');
if(mode=="cancleChangePass"){
$("#oldPass").val('');
$("#newPass").val('');
$("#confirmPass").val('');
$("#changePassMsg").html("");
$("#changePassMsg").hide();
$("#changePassMsg2").html("");
$("#changePassMsg2").hide();
$("#changePassword").hide();
$("#oldPass").removeClass("error");
$("#newPass").removeClass("error");
$("#confirmPass").removeClass("error");
$("#oldPassReq").html("");
$("#oldPassReq").hide();
$("#newPassReq").html("");
$("#newPassReq").hide();
$("#confPassReq").html("");
$("#confPassReq").hide();
}
else if(mode=="closeProfile"){
$("#myProfile").hide();
}
else if(mode=='cancleCreateUser'){
$("#userNameCu").val('');
$("#frstNameCu").val('');
$("#lastNameCu").val('');
$("#emailCu").val("");
$("#roleCu").val("");
$("#userNameCu").removeClass("error");
$("#frstNameCu").removeClass('error');
$("#lastNameCu").removeClass('error');
$("#emailCu").removeClass("error");
$("#roleCu").removeClass("error");
$("#userNameReqCu").html("");
$("#userNameReqCu").hide();
$("#frstNameReqCu").html("");
$("#frstNameReqCu").hide();
$("#lstNameReqCu").html("");
$("#lstNameReqCu").hide();
$("#emailReqCu").html("");
$("#emailReqCu").hide();
$("#rolReqCu").html("");
$("#rolReqCu").hide();
$("#createMsg").html("");
$("#createMsg").hide();
$("#createMsg2").html("");
$("#createMsg2").hide();
$("#createNewUser").hide();
}
else{
$("#updateMyProfile").hide();
$("#updateMsg").html("");
$("#updateMsg").hide();
$("#errorMsgUpdate").html("");
$("#errorMsgUpdate").hide();
$("#frstNameReq").html("");
$("#frstNameReq").hide();
$("#lstNameReq").html("");
$("#lstNameReq").hide();
$("#emailReq").html("");
$("#emailReq").hide();
$("#firstName").removeClass("error");
$("#lastName").removeClass("error");
$("#emailId").removeClass("error");

}
}

function clearFieldErrors(obj){
var field=$(obj).attr('id');
if(field=="userNameCu"){
$("#userNameCu").removeClass('error');
$("#userNameReqCu").html("");
$("#userNameReqCu").hide();
}
else if(field=="firstName"){
$("#firstName").removeClass('error');
$("#frstNameReq").html("");
$("#frstNameReq").hide();
}
else if(field=="lastName"){
$("#lastName").removeClass('error');
$("#lstNameReq").html("");
$("#lstNameReq").hide();
}
else if(field=="emailId"){
$("#emailId").removeClass('error');
$("#emailReq").html("");
$("#emailReq").hide();
}
else if(field=="oldPass"){
$("#oldPass").removeClass('error');
$("#oldPassReq").html("");
$("#oldPassReq").hide();
}
else if(field=="newPass"){
$("#newPass").removeClass('error');
$("#newPassReq").html("");
$("#newPassReq").hide();
}
else if(field=="confirmPass"){
$("#confirmPass").removeClass('error');
$("#confPassReq").html("");
$("#confPassReq").hide();
}
else if(field=="userNameCu"){
$("#userNameCu").removeClass('error');
$("#userNameReqCu").html("");
$("#userNameReqCu").hide();
}
else if(field=="frstNameCu"){
$("#frstNameCu").removeClass('error');
$("#frstNameReqCu").html("");
$("#frstNameReqCu").hide();
}
else if(field=="lastNameCu"){
$("#lastNameCu").removeClass('error');
$("#lstNameReqCu").html("");
$("#lstNameReqCu").hide();
}
else if(field=="emailCu"){
$("#emailCu").removeClass('error');
$("#emailReqCu").html("");
$("#emailReqCu").hide();
}
else if(field=="roleCu"){
$("#roleCu").removeClass('error');
$("#rolReqCu").html("");
$("#rolReqCu").hide();
}
}

function clearErrors(){
$('.serverError').hide();
$("#sessExpID").html("");
$("#sessExpID").hide();
$(".errorMessage").html("");
$(".errorMessage").hide();
$(".serverActionError").html("");
$(".serverActionError").hide();
$("#updateMsg").html("");
$("#updateMsg").hide();
$("#errorMsgUpdate").html("");
$("#errorMsgUpdate").hide();
$("#changePassMsg").html("");
$("#changePassMsg").hide();
$("#changePassMsg2").html("");
$("#changePassMsg2").hide();
$("#createMsg").html("");
$("#createMsg").hide();
$("#createMsg2").html("");
$("#createMsg2").hide();
}
/************************************CANCEL AND CLAER ERRORS END*****************************/