/*
 *
 * Copyright (c) 2010 C. F., Wong (<a href="http://cloudgen.w0ng.hk">Cloudgen Examplet Store</a>)
 * Licensed under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 *
 */
// version 1.02 
// fix the problem when precision has been set and the input start with decimal dot or comma ,e.g. precision set to 3 and input with ".1234"
var email={tldn:new RegExp("^[^\@]+\@[^\@]+\.(A[C-GL-OQ-UWXZ]|B[ABD-JM-OR-TVWYZ]|C[ACDF-IK-ORUVX-Z]|D[EJKMOZ]|E[CEGR-U]|F[I-KMOR]|G[ABD-IL-NP-UWY]|H[KMNRTU]|I[DEL-OQ-T]|J[EMOP]|K[EG-IMNPRWYZ]|L[A-CIKR-VY]|M[AC-EGHK-Z]|N[ACE-GILOPRUZ]|OM|P[AE-HKL-NR-TWY]|QA|R[EOSUW]|S[A-EG-ORT-VYZ]|T[CDF-HJ-PRTVWZ]|U[AGKMSYZ]|V[ACEGINU]|W[FS]|XN|Y[ETU]|Z[AMW]|AERO|ARPA|ASIA|BIZ|CAT|COM|COOP|EDU|GOV|INFO|INT|JOBS|MIL|MOBI|MUSEUM|NAME|NET|ORG|PRO|TEL|TRAVEL)$","i")};
(function($){
    $.extend($.expr[":"],{
        regex:function(d,a,c){
            var e=new RegExp(c[3],"g");
            var b=("text"===d.type)?d.value:d.innerHTML;
            return(b=="")?true:(e.exec(b))
        }
    });
    $.fn.output=function(d){
        return(this.is(":text"))?this.val(d):this.html(d)
    };
    formatter={
        getRegex:function(settings){
            var settings=$.extend({type:"decimal",precision:5,decimal:'.',allow_negative:true},settings);
            var result="";
            if(settings.type=="decimal"){
                var e=(settings.allow_negative)?"-?":"";
                if(settings.precision>0)
                    result="^"+e+"\\d+$|^"+e+"\\d*"+settings.decimal+"\\d{1,"+settings.precision+"}$";
                else result="^"+e+"\\d+$"
            }else if(settings.type=="phone-number"){
                result="^\\d[\\d\\-]*\\d$"
            }else if(settings.type=="alphabet"){
                result="^[A-Za-z]+$"
            }
            return result
        },
        isEmail:function(d){
            var a=$(d).output();
            var c=false;
            var e=true;
            var e=new RegExp("[\s\~\!\#\$\%\^\&\*\+\=\(\)\[\]\{\}\<\>\\\/\;\:\,\?\|]+");
            if(a.match(e)!=null){
                return c
            }
            if(a.match(/((\.\.)|(\.\-)|(\.\@)|(\-\.)|(\-\-)|(\-\@)|(\@\.)|(\@\-)|(\@\@))+/)!=null){
                return c
            }
            if(a.indexOf("\'")!=-1){
                return c
            }
            if(a.indexOf("\"")!=-1){
                return c
            }
            if(email.tldn&&a.match(email.tldn)==null){
                return c
            }
            return e
        },
        formatString:function(target,settings){
            var settings=$.extend({type:"decimal",precision:5,decimal:'.',allow_negative:true},settings);
            var oldText=$(target).output();
            var newText=oldText;
            if(settings.type=="decimal"){
                if(newText!=""){
                    var g;
                    var h=(settings.allow_negative)?"\\-":"";
                    var i="\\"+settings.decimal;
                    g=new RegExp("[^\\d"+h+i+"]+","g");
                    newText=newText.replace(g,"");
                    var h=(settings.allow_negative)?"\\-?":"";
                    if(settings.precision>0)
                        g=new RegExp("^("+h+"\\d*"+i+"\\d{1,"+settings.precision+"}).*");
                    else g=new RegExp("^("+h+"\\d+).*");
                    newText=newText.replace(g,"$1")
                }
            }else if(settings.type=="phone-number"){
                newText=newText.replace(/[^\-\d]+/g,"").replace(/^\-+/,"").replace(/\-+/,"-")
            }else if(settings.type=="alphabet"){
                newText=newText.replace(/[^A-Za-z]+/g,"")
            }
            if(newText!=oldText)
                $(target).output(newText)
        }
    };
    $.fn.format=function(settings,wrongFormatHandler){
        var settings=$.extend({type:"decimal",precision:5,decimal:".",allow_negative:true,autofix:false},settings);
        var decimal=settings.decimal;
        wrongFormatHandler=typeof wrongFormatHandler=="function"?wrongFormatHandler:function(){};
        this.keypress(function(d){
            $(this).data("old-value",$(this).val());
            var a=d.charCode?d.charCode:d.keyCode?d.keyCode:0;
            if(a==13&&this.nodeName.toLowerCase()!="input"){return false}
            if((d.ctrlKey&&(a==97||a==65||a==120||a==88||a==99||a==67||a==122||a==90||a==118||a==86||a==45))||(a==46&&d.which!=null&&d.which==0))
                return true;
            if(a<48||a>57){
                if(settings.type=="decimal"){
                    if(settings.allow_negative&&a==45&&this.value.length==0)return true;
                    if(a==decimal.charCodeAt(0)){
                        if(settings.precision>0&&this.value.indexOf(decimal)==-1)return true;
                        else return false
                    }
                    if(a!=8&&a!=9&&a!=13&&a!=35&&a!=36&&a!=37&&a!=39){return false}
                    return true
                }else if(settings.type=="email"){
                    if(a==8||a==9||a==13||(a>34&&a<38)||a==39||a==45||a==46||(a>64&&a<91)||(a>96&&a<123)){return true}
                    if(a==64&&this.value.indexOf("@")==-1)return true;
                    return false
                }else if(settings.type=="phone-number"){
                    if(a==45&&this.value.length==0)return false;
                    if(a==8||a==9||a==13||(a>34&&a<38)||a==39||a==45){return true}
                    return false
                }else if(settings.type=="alphabet"){
                    if(a==8||a==9||a==13||(a>34&&a<38)||a==39||(a>64&&a<91)||(a>96&&a<123))
                    return true
                }else return false
            }else{
                if(settings.type=="alphabet"){
                    return false
                }else return true
            }
        })
        .blur(function(){
            if(settings.type=="email"){
                if(!formatter.isEmail(this)){
                    wrongFormatHandler.apply(this)
                }
            }else{
                if(!$(this).is(":regex("+formatter.getRegex(settings)+")")){
                    wrongFormatHandler.apply(this)
                }
            }
        })
        .focus(function(){
            $(this).select()
        });
        if(settings.autofix){
            this.keyup(function(d){
                if($(this).data("old-value")!=$(this).val())
                    formatter.formatString(this,settings)
                }
            )
        }
        return this
    }
})(jQuery);