/**
* Feedback
*
* @author Evgueni Palchukovsky <epalchukovsky@swsoft.com>
* @version $Id: form.js 26454 2007-11-26 13:08:18Z adobrenko $
* @since 2005/06/28
* @package SB
* @subpackage Feedback
* @copyright (c) 2004-2006, SWsoft
*/


///////////////////////////////////////
// FeedbackFormFieldValidator class

function FeedbackFormFieldValidator(method, descr) {
    this.method = method;
    this.descr = descr;
}

FeedbackFormFieldValidator.prototype.validate = function (val) {
    var result = val == '' && this.method != 'notEmpty';
    if (!result) {
        if (this.method == 'isFloat') {
            eval("result = SB_Validator." + this.method + "('" + val + "', '.') || SB_Validator." + this.method + "('" + val + "', ',');");
        } else {
            eval("result = SB_Validator." + this.method + "('" + val + "');");
        }
    }
    return result;
}

FeedbackFormFieldValidator.prototype.getError = function () {
    return this.descr;
}

///////////////////////////////////////
// FeedbackFormField class

function FeedbackFormField(controlId, messageControlId, isRequired) {
    this.controlId = controlId;
    this.messageControlId = messageControlId;
    this.validators = new Array();
    this.isRequired = isRequired != '0';
}

FeedbackFormField.prototype.appendValidator = function (method, descr) {
    this.validators.push(new FeedbackFormFieldValidator(method, descr));
}

FeedbackFormField.prototype.validate = function (checkRequired, showError, alertError) {
    var result = true;
    var val = document.getElementById(this.controlId).value;
    if (val || checkRequired) {
        for (var i = 0; i < this.validators.length; ++i) {
            var validator = this.validators[i];
            result = validator.validate(val);
            if (!result) {
                this.showValidateError(validator.getError(), showError, alertError);
                break;
            } else {
                this.hideValidateError();
            }
        }
    } /* else if (!val && !checkRequired) {
		this.hideValidateError();
	}*/
    return result;
}

FeedbackFormField.prototype.showValidateError = function (errorText, showError, alertError) {
    if (showError) {
        var tr = document.getElementById(this.messageControlId);
        tds = tr.getElementsByTagName('TD');
        tds[1].innerHTML = errorText;
        tr.removeAttribute("style");
    }
    if (alertError) {
        alert(errorText);
    }
}

FeedbackFormField.prototype.hideValidateError = function () {
    var tr = document.getElementById(this.messageControlId);
    tr.style.display = 'none';
    tds = tr.getElementsByTagName('TD');
    tds[1].innerHTML = '';
}

FeedbackFormField.prototype.showValidationDescription = function () {
    alert(this.validationDescr);
}

///////////////////////////////////////
// FeedbackForm class

function FeedbackForm() {
    this.fields = new Array();
}

FeedbackForm.prototype.validate = function (checkRequired, showError, alertError) {
    var result = true;
    for (var i = 0; i < this.fields.length; ++i) {
        if (!this.fields[i].validate(checkRequired, showError, alertError)) {
            result = false;
        }
    }
    return result;
}

FeedbackForm.prototype.registerField = function (field) {
    this.fields.push(field);
}