// DomValidation.js.
//<script>

// Initilizing
var Page_Validators = new Array();
var Page_ValidationSummaries = new Array();

var _val_agt=navigator.userAgent.toLowerCase();
var _val_is_major=parseInt(navigator.appVersion);
var _val_is_ie=((_val_agt.indexOf("msie")!=-1) && (_val_agt.indexOf("opera")==-1));
var _val_isNT=_val_agt.indexOf("windows nt")!=-1;
var _val_IE=false;//Alex: removido para evitar erro no IE7 =(document.all);
var _val_IE4=(_val_is_ie && (_val_is_major==4) && (_val_agt.indexOf("msie 4")!=-1));
var _val_IE6=(_val_is_ie && (_val_agt.indexOf("msie 6.0")!=-1));
var _val_NS=(document.layers);
var _val_DOM=(document.getElementById);
var _val_isMac=(_val_agt.indexOf("Mac")==-1);
var _val_allString="document.";
_val_allString += (_val_IE)?"all.":(_val_DOM)?"getElementById(\"":"";
var _val_styleString=(_val_IE)?".style":(_val_DOM)?"\").style":"";
var _val_endAllString=(_val_DOM && !_val_IE)?"\")":"";
var _val_px=(_val_DOM)?"px":"";

var Page_DomValidationVer = "2";
var Page_IsValid = true;  
var Page_BlockSubmit = false;

function ValidatorUpdateDisplay(val) 
{
	var prop = dom_getAttribute(val,"display");
	
    if (prop && prop.toLowerCase() == "none")
		return;

	var attr = val.getAttribute("message-type");
	var show = val.getAttribute("showMessage");

	if (val.isvalid == false && (show && show.toLowerCase() == "true"))
	{
		compono.appendClassName(attr,val);
	} 
	else 
	{
		compono.removeClassName(attr,val);
	}
}

function ValidatorUpdateIsValid() 
{
    var i;
    for (i = 0; i < Page_Validators.length; i++) 
    {
        if (!Page_Validators[i].isvalid) 
        {
            Page_IsValid = false;
            Page_BlockSubmit = true;
            return;
        }
   }
   Page_IsValid = true;
}

function ValidatorHookupControl(control, val) 
{
    if (control != null)
    {
	   if (typeof(control.Validators) == "undefined") 
	   {
            control.Validators = new Array;
	        var ev = control.onchange;
	        var new_ev;
            if (typeof(ev) == "function" ) 
            {
                ev = ev.toString();
                new_ev = "if (Page_IsValid || Page_BlockSubmit) {" + ev.substring(ev.indexOf("{") + 1, ev.lastIndexOf("}")) + "}";
            }
            else 
            {
                new_ev = "";
            }

            var func = new Function("ValidatorOnChange('" + control.id + "'); " + new_ev);
	        control.onchange = func;
	    }
        control.Validators[control.Validators.length] = val;
    }
}

function ValidatorGetValue(id) 
{
    var control;
    control = dom_getElementByID(id);
    if (control == null)
		return "";

    if(typeof(control.value) != "string"){
		if(typeof(control.getAttribute("value")) == "string"){
			return control.getAttribute("value");
		}
	}else{
		return control.value;
	}
    
    if (typeof(control.tagName) == "undefined" && typeof(control.length) == "number") 
    {
        var j;
        for (j=0; j < control.length; j++) 
        {
            var inner = control[j];
            if (typeof(inner.value) == "string" && (inner.type != "radio" || inner.status == true)) 
            {
                return inner.value;
            }
        }
    }
}

function Page_ClientValidate() 
{
    var i,ctrl;
    for (i = 0; i < Page_Validators.length; i++) 
    {
		if(Page_Validators[i] == null) continue;
        ValidatorValidate(Page_Validators[i]);
    }
    ValidatorUpdateIsValid();   
    ValidationSummaryOnSubmit(); 
    Page_BlockSubmit = !Page_IsValid;
    return Page_IsValid;
}

function ValidatorCommonOnSubmit() 
{
   var retValue = !Page_BlockSubmit;

   if (!_val_NS) {   // If we are not in crappy old Netscape 4.7 then....
      if (_val_IE)  // If its Internet Explorer, set our return event value.
         event.returnValue = retValue;
   }
   
   Page_BlockSubmit = false;

   return retValue;
}

function ValidatorOnChange(controlID) 
{
    var cont = dom_getElementByID(controlID);
    var vals = cont.Validators;
    var i;
    for (i = 0; i < vals.length; i++) 
    {
        ValidatorValidate(vals[i]);
    }
    ValidatorUpdateIsValid();    
    return Page_IsValid;
}

function ValidatorValidate(val){
	var enabled;
	
	val.isvalid = true;

	if ( val.getAttribute( "enabled" ) != null || val.enabled != null)
		enabled = (val.getAttribute( "enabled" ) || val.enabled).toString().toLowerCase();
	else
		enabled = "true";

    if ( enabled != "false")    // V2.00 change
    {
        if (typeof(val.evalfunc) == "function") 
        {
            val.isvalid = val.evalfunc(val); 
        }
    }
    ValidatorUpdateDisplay(val);
}

function ValidatorOnLoad() 
{
    if (typeof(Page_Validators) == "undefined")
        return;

    var i, val;
    for (i = 0; i < Page_Validators.length; i++) 
    {
        val = Page_Validators[i];
        if(val == null) continue;
        var evalFunction = dom_getAttribute(val,"evaluationfunction");
        if (typeof(evalFunction) == "string") 
        {
            eval("val.evalfunc = " + evalFunction + ";");
        }
        var isValidAttribute = dom_getAttribute(val,"isvalid");
        if (typeof(isValidAttribute) == "string") 
        {
            if (isValidAttribute == "False") 
            {
                val.isvalid = false;                                
                Page_IsValid = false;
            } 
            else 
            {
                val.isvalid = true;
            }
        }
        else 
        {
            val.isvalid = true;
        }

        if (typeof(val.enabled) == "string") 
        {
            val.enabled = (val.enabled != "False");
        }

        var controlToValidate = dom_getAttribute(val,"controltovalidate");
        if (typeof(controlToValidate) == "string") 
        {
	    ValidatorHookupControl(dom_getElementByID(controlToValidate), val);
        }

	var controlhookup = dom_getAttribute(val,"controlhookup");
	if (typeof(controlhookup) == "string") 
	{
	    if (controlhookup != "")    // V2.00 Change
            {
    	        ValidatorHookupControl(dom_getElementByID(controlhookup), val);
	    }
	}        
	
	// PLANER
	compono.removeAllChildNodes(val);
    }

    Page_ValidationActive = true;

    if (!Page_IsValid)
	ValidationSummaryOnSubmit();
		
	// IE4 hack test
    if (_val_IE4)
    {
	var ev = new Function("ValidationSummaryOnSubmit();");
	document.onreadystatechange=ev;
    }
}

function RegularExpressionValidatorEvaluateIsValid(val) 
{
    var value = ValidatorGetValue(dom_getAttribute(val, "controltovalidate"));
    if (value == "")
        return true;        

    var rx = new RegExp(dom_getAttribute(val, "validationexpression"));
    var matches = rx.exec(value);
    return (matches != null && value == matches[0]);
}

function ValidatorTrim(s) 
{
    return s.replace(/^\s+|\s+$/g, "");
}

function RequiredFieldValidatorEvaluateIsValid(val) 
{
    return (ValidatorTrim(ValidatorGetValue(dom_getAttribute(val, "controltovalidate"))) != ValidatorTrim(dom_getAttribute(val, "initialvalue")));
}


///////////////////////////////////// my stuff ////////////////////////////////////////////////////////////

function ValidatorCompare(operand1, operand2, operator, val) 
{
    var dataType = dom_getAttribute(val, "type");
    var op1, op2;
    if ((op1 = ValidatorConvert(operand1, dataType, val)) == null)
        return false;   
    if (operator == "DataTypeCheck")
        return true;
    if ((op2 = ValidatorConvert(operand2, dataType, val)) == null)
        return true;
    // Alex Oliveira: modificado para permitir comparao quando op2=0
    //if (op2 == "")
    // Andre: modificado pelo erro com op2 > 0
    //if (op2.toString().length)
    if(String(op2)=="")
		return true;
		
    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);            
    }
}



function CompareValidatorEvaluateIsValid(val) 
{
    var ctrl = dom_getAttribute(val, "controltovalidate");
    if (null == ctrl)
        return true;
    var value = ValidatorGetValue(ctrl);
    if (ValidatorTrim(value).length == 0)
        return true;
    var compareTo = "";

    // V2.0 changes
    var hookupCtrl = dom_getAttribute(val, "controlhookup");
    var useCtrlToValidate = false;
    if (hookupCtrl != null)
    {
        if (typeof(hookupCtrl) == "string")
        {
		    if (hookupCtrl != "")
		        useCtrlToValidate = true;
        }
    }
    // End V2.00 changes
    
    if (!useCtrlToValidate) {  // V2.00 change
        var ctrl_literal = dom_getAttribute(val, "valuetocompare");
        if (typeof(ctrl_literal) == "string") 
        {
            compareTo = ctrl_literal;  // V2.00 change
        }
    }
    else
    {
        compareTo = ValidatorGetValue(dom_getAttribute(val, "controlhookup"));
    }
    operator = dom_getAttribute(val, "operator");
    return ValidatorCompare(value, compareTo, operator, val);
}

function CustomValidatorEvaluateIsValid(val) 
{
    var value = "";
    var ctrl = dom_getAttribute(val, "controltovalidate");

    if (typeof(ctrl) == "string") 
    {
		if (ctrl != ""){
			value = ValidatorGetValue(ctrl);
        }
    }
    var valid = true;
    var func_str = dom_getAttribute(val, "clientvalidationfunction");

    if (typeof(func_str) == "string") {
        if (func_str != "") {
            eval("valid = (" + func_str + "(val, value) != false);");
        }
    }        
    return valid;
}

// Added for V2.0 changes - 27/1/2002 - Glav
function RangeValidatorEvaluateIsValid(val) 
{
	var value;    
    var ctrl = dom_getAttribute(val, "controltovalidate");
    if (typeof(ctrl) == "string") {
		if (ctrl != "") {
			value = ValidatorGetValue(ctrl);
			if (value == "")
				return true;
        }
    }

    var minval = dom_getAttribute(val,"minimumvalue");
    var maxval = dom_getAttribute(val,"maximumvalue");

	if (minval == null && maxval == null)
        return true;
    
    if (minval == "")
		minval = 0;
	if (maxval == "")
		maxval = 0;
	
    return ( (parseFloat(value) >= parseFloat(minval)) && (parseFloat(value) <= parseFloat(maxval)));
}

function ValidatorConvert(op, dataType, val) 
{
    function GetFullYear(year) 
    {
        return (year + parseInt(val.century)) - ((year < val.cutoffyear) ? 0 : 100);
    }
    var num, cleanInput, m, exp;
    if (dataType == "Integer") 
    {
        exp = /^\s*[-\+]?\d+\s*$/;
        if (op.match(exp) == null) 
            return null;
        num = parseInt(op, 10);
        return (isNaN(num) ? null : num);
    }
    else if(dataType == "Double") 
    {
        exp = new RegExp("^\\s*([-\\+])?(\\d+)?(\\" + val.decimalchar + "(\\d+))?\\s*$");
        m = op.match(exp);
        if (m == null)
            return null;
        // Alex Oliveira: modificado por compatibilidade com o Mozilla FireFox
        //cleanInput = m[1] + (m[2].length>0 ? m[2] : "0") + "." + m[4];
        cleanInput = (m[1]||"") + (m[2].length>0 ? m[2] : "0") + (m[4] != null ? "." : "") + (m[4]||"");
        num = parseFloat(cleanInput);
        return (isNaN(num) ? null : num);            
    } 
    else 
		if (dataType == "Currency") 
		{
			exp = new RegExp("^\\s*([-\\+])?(((\\d+)\\" + val.groupchar + ")*)(\\d+)"
                        + ((val.digits > 0) ? "(\\" + val.decimalchar + "(\\d{1," + val.digits + "}))?" : "")
                        + "\\s*$");
			m = op.match(exp);
			if (m == null)
				return null;
			
			var intermed = m[2] + m[5] ;
			cleanInput = m[1] + intermed.replace(new RegExp("(\\" + val.groupchar + ")", "g"), "") + ((val.digits > 0) ? "." + m[7] : 0);
			num = parseFloat(cleanInput);
			return (isNaN(num) ? null : num);            
		}
		else if (dataType == "Date") 
		{
	        var yearFirstExp = new RegExp("^\\s*((\\d{4})|(\\d{2}))([-./])(\\d{1,2})\\4(\\d{1,2})\\s*$");
		    m = op.match(yearFirstExp);
			var day, month, year;
			if (m != null && (m[2].length == 4 || val.dateorder == "ymd")) 
			{
				day = m[6];
		        month = m[5];
			    year = (m[2].length == 4) ? m[2] : GetFullYear(parseInt(m[3], 10))
			}
	        else 
	        {
		        if (val.dateorder == "ymd")
			    {
				    return null;		
			    }						
				var yearLastExp = new RegExp("^\\s*(\\d{1,2})([-./])(\\d{1,2})\\2((\\d{4})|(\\d{2}))\\s*$");
		        m = op.match(yearLastExp);
			    if (m == null) 
				{
	                return null;
				}
		
				if (val.dateorder == "mdy") 
				{
				    day = m[3];
					month = m[1];
			    }
				else 
				{
			        day = m[1];
				    month = m[3];
				}
            year = (m[5].length == 4) ? m[5] : GetFullYear(parseInt(m[6], 10))
	    }

		month -= 1;
		var date = new Date(year, month, day);
		return (typeof(date) == "object" && year == date.getFullYear() && month == date.getMonth() && day == date.getDate()) ? date.valueOf() : null;
	}
	else 
	{
	    return op.toString();
	}
}

function ValidationSummaryOnSubmit() 
{
    if (typeof(Page_ValidationSummaries) == "undefined") 
        return;

    var summary, sums, s, summ_attrib, hdr_txt, err_msg;
    for (sums = 0; sums < Page_ValidationSummaries.length; sums++) 
    {
        summary = Page_ValidationSummaries[sums];
        summary.style.display = "none";
        if (!Page_IsValid) 
        {
			summ_attrib = dom_getAttribute(summary, "showsummary");
            if (summ_attrib != "False") 
            {
                summary.style.display = "";
                if (typeof(summary.displaymode) != "string") 
                {
                    summary.displaymode = "BulletList";
                }
                switch (summary.displaymode) 
                {
                    case "List":
                        headerSep = "<br>";
                        first = "";
                        pre = "";
                        post = "<br>";
                        final_block = "";
                        break;
                        
                    case "BulletList":
                    default: 
                        headerSep = "";
                        first = "<ul>";
                        pre = "<li>";
                        post = "</li>";
                        final_block = "</ul>";
                        break;
                        
                    case "SingleParagraph":
                        headerSep = " ";
                        first = "";
                        pre = "";
                        post = " ";
                        final_block = "<br>";
                        break;
                }
                s = "";

                hdr_txt = dom_getAttribute(summary, "headertext");
                if (typeof(hdr_txt) == "string") 
                {
                    s += hdr_txt + headerSep;
                }
                var cnt=0;
                s += first;
                for (i=0; i<Page_Validators.length; i++) 
                {
                    err_msg = dom_getAttribute(Page_Validators[i], "errormessage");
                    if (!Page_Validators[i].isvalid && typeof(err_msg) == "string") {
						if (err_msg != "") 
						{
							cnt++;
							s += pre + err_msg + post;
						}
                    }
                }   
                s += final_block;
            
				// IE4 work around
                if (_val_IE4)
                {
					if (document.readyState == "complete")
					{
						summary.innerHTML  = s;
						window.scrollTo(0,0);
						summary.style.visibility = "visible";
					}
				} 
				else
				{
					summary.innerHTML = s; 
					window.scrollTo(0,0);
					summary.style.visibility = "visible";
				}
            }
	        summ_attrib = dom_getAttribute(summary, "showmessagebox");
            
            if (summ_attrib == "True") 
            {
                s = "";
                hdr_txt = dom_getAttribute(summary, "headertext");
                if (typeof(hdr_txt) == "string") 
                {
                    s += hdr_txt + "\n";
                }
                for (i=0; i<Page_Validators.length; i++) 
                {
					err_msg = dom_getAttribute(Page_Validators[i], "errormessage");
                    if (!Page_Validators[i].isvalid && typeof(err_msg) == "string") {
                        switch (summary.displaymode) {
                            case "List":
                                s += err_msg + "\n";
                                break;
                                
                            case "BulletList":
                            default: 
                                s += "  - " + err_msg + "\n";
                                break;
                                
                            case "SingleParagraph":
                                s += err_msg + " ";
                                break;
                        }
                    }
                }
                alert(s);
            }
        }
    }
}

////////////////////////--- Funtions to work in IE4 and DOM ---/////////////////////////////////

function dom_getAttribute(control,attribute)
{
	var attrib;
	if (_val_DOM)
		attrib = control.getAttribute(attribute, false);
	else
		attrib = eval(_val_allString + control.id + "." + attribute + _val_endAllString);
	return attrib;
}

function dom_getElementByID(id)
{
	var element = eval(_val_allString + id + _val_endAllString);
	return element;
}