/*************************************************
 Validator v1.01
 code by 我佛山人
 wfsr@cunite.com
 http://www.cunite.com
     *************************************************/
String.prototype.trim = function(){
    return this.replace(/^\s+|\s+$/g, "");
}

Validator = {
    Require : /.+/,
    Email : /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/,
    Phone : /^((\(\d{3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}$/,
    Mobile : /^((\(\d{3}\))|(\d{3}\-))?13\d{9}$/,
    Url : /^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/,
    IdCard : /^\d{15}(\d{2}[A-Za-z0-9])?$/,
    Currency : /^\d+(\.\d+)?$/,
    Number : /^\d+$/,
    Zip : /^[1-9]\d{5}$/,
    QQ : /^[1-9]\d{4,8}$/,
    Integer : /^[-\+]?\d+$/,
    Double : /^[-\+]?\d+(\.\d+)?$/,
    English : /^[A-Za-z]+$/,
    Chinese : /^[\u0391-\uFFE5]+$/,
    UnSafe : /^(([A-Z]*|[a-z]*|\d*|[-_\~!@#\$%\^&\*\.\(\)\[\]\{\}<>\?\\\/\'\"]*)|.{0,5})$|\s/,
    IsSafe : function(str){
        return !this.UnSafe.test(str);
    },
    SafeString : "this.IsSafe(value)",
    Limit : "this.limit(value.length,getAttribute('min'), getAttribute('max'))",
    LimitB : "this.limit(this.LenB(value), getAttribute('min'), getAttribute('max'))",
    Date : "this.IsDate(value, getAttribute('min'), getAttribute('format'))",
    Repeat : "value == document.getElementsByName(getAttribute('to'))[0].value",
    Range : "getAttribute('min') < value && value < getAttribute('max')",
    Compare : "this.compare(value,getAttribute('operator'),getAttribute('to'))",
    Custom : "this.Exec(value, getAttribute('regexp'))",
    Group : "this.MustChecked(getAttribute('name'), getAttribute('min'), getAttribute('max'))",
    ErrorItem : [document.forms[0]],
    ErrorMessage : ["以下原因导致提交失败：\t\t\t\t"],
    Validate : function(theForm, mode){
        var obj = theForm || event.srcElement;
        var count = obj.elements.length;
        this.ErrorMessage.length = 1;
        this.ErrorItem.length = 1;
        this.ErrorItem[0] = obj;
        for(var i=0;i<count;i++){
            with(obj.elements[i]){
                var _dataType = getAttribute("dataType");
                if(typeof(_dataType) == "object" || typeof(this[_dataType]) == "undefined") continue;
                this.ClearState(obj.elements[i]);
                if(getAttribute("require") == "false" && value == "") continue;
                switch(_dataType){
                    case "Date" :
                    case "Repeat" :
                    case "Range" :
                    case "Compare" :
                    case "Custom" :
                    case "Group" :
                    case "Limit" :
                    case "LimitB" :
                    case "SafeString" :
                        if(!eval(this[_dataType])) {
                            this.AddError(i, getAttribute("msg"));
                        }
                        break;
                    default :
                        if(!this[_dataType].test(value)){
                            this.AddError(i, getAttribute("msg"));
                        }
                        break;
                }
                }
        }
        if(this.ErrorMessage.length > 1){
            mode = mode || 1;
            var errCount = this.ErrorItem.length;
            switch(mode){
                case 2 :
                    for(var i=1;i<errCount;i++)
                        this.ErrorItem[i].style.color = "red";
                case 1 :
                    alert(this.ErrorMessage.join("\n"));
                    this.ErrorItem[1].focus();
                    break;
                case 3 :
                    for(var i=1;i<errCount;i++){
                        try{
                            var span = document.createElement("SPAN");
                            span.id = "__ErrorMessagePanel";
                            span.style.color = "red";
                            this.ErrorItem[i].parentNode.appendChild(span);
                            span.innerHTML = this.ErrorMessage[i].replace(/\d+:/,"*");
                        }
                        catch(e){
                            alert(e.description);
                        }
                    }
                    this.ErrorItem[1].focus();
                    break;
                default :
                    alert(this.ErrorMessage.join("\n"));
                    break;
            }
            return false;
        }
        return true;
    },
    limit : function(len,min, max){
        min = min || 0;
        max = max || Number.MAX_VALUE;
        return min <= len && len <= max;
    },
    LenB : function(str){
        return str.replace(/[^\x00-\xff]/g,"**").length;
    },
    ClearState : function(elem){
        with(elem){
            if(style.color == "red")
                style.color = "";
            var lastNode = parentNode.childNodes[parentNode.childNodes.length-1];
            if(lastNode.id == "__ErrorMessagePanel")
                parentNode.removeChild(lastNode);
            }
    },
    AddError : function(index, str){
        this.ErrorItem[this.ErrorItem.length] = this.ErrorItem[0].elements[index];
        this.ErrorMessage[this.ErrorMessage.length] = this.ErrorMessage.length + ":" + str;
    },
    Exec : function(op, reg){
        return new RegExp(reg,"g").test(op);
    },
    compare : function(op1,operator,op2){
        switch (operator) {
            case "NotEqual":
                return (op1 != op2);
            case "GreaterThan":
                return (op1 > op2);
            case "GreaterThanEqual":
                return (op1 >= op2);
            case "LessThan":
                return (op1 < op2);
            case "LessThanEqual":
                return (op1 <= op2);
            default:
                return (op1 == op2);
        }
    },
    MustChecked : function(name, min, max){
        var groups = document.getElementsByName(name);
        var hasChecked = 0;
        min = min || 1;
        max = max || groups.length;
        for(var i=groups.length-1;i>=0;i--)
            if(groups[i].checked) hasChecked++;
        return min <= hasChecked && hasChecked <= max;
    },
    IsDate : function(op, formatString){
        formatString = formatString || "ymd";
        var m, year, month, day;
        switch(formatString){
            case "ymd" :
                m = op.match(new RegExp("^((\\d{4})|(\\d{2}))([-./])(\\d{1,2})\\4(\\d{1,2})$"));
                if(m == null ) return false;
                day = m[6];
                month = m[5]--;
                year = (m[2].length == 4) ? m[2] : GetFullYear(parseInt(m[3], 10));
                break;
            case "dmy" :
                m = op.match(new RegExp("^(\\d{1,2})([-./])(\\d{1,2})\\2((\\d{4})|(\\d{2}))$"));
                if(m == null ) return false;
                day = m[1];
                month = m[3]--;
                year = (m[5].length == 4) ? m[5] : GetFullYear(parseInt(m[6], 10));
                break;
            default :
                break;
        }
        if(!parseInt(month)) return false;
        month = month==12 ?0:month;
        var date = new Date(year, month, day);
        return (typeof(date) == "object" && year == date.getFullYear() && month == date.getMonth() && day == date.getDate());
        function GetFullYear(y){
            return ((y<30 ? "20" : "19") + y)|0;
        }
    }
}