/**
* Fvalidate v1.0 - A validation plugin for jQuery
* Copyright (C) 2010  Hasan Hameed
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* 
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
* 
* You should have received a copy of the GNU General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
(function ($) {
    var _errors = [], _rules = [], _sameAs = []; $.fn.Fvalidate = function (settings) {
        var $form = $(this), formId = $form.attr("id"), $fields = $form.find("input, textarea, select").filter(":not(:submit)"), defaults = { alertErrors: true, submitButton: $form.find("input[type=submit]:first") || null, attrForName: "name", focusClass: "inp-focus", errorClass: "inp-error", errorMsgClass: "err-msg" }, options = $.extend(defaults, settings); _errors[formId] = []; $fields.focus(function () { $(this).addClass(options.focusClass); }); $fields.blur(function () { $(this).removeClass(options.focusClass); }); $fields.keyup(function () { _validate(this); }); if (options.submitButton == null)
            $form.submit(function () { if (!_validateForm()) return false; }); else
            options.submitButton.click(function () { if (!_validateForm()) return false; }); function _validateForm() {
                $fields.each(function () { _validate(this); }); if ($form.countErrors() > 0) {
                    $form.showErrors(); var x; for (x in _errors[formId]) { _errors[formId][x]['elem'].focus(); break; }
                    return false;
                }
                return true;
            }; function _validate(obj) {
                var $input = $(obj), Name = $input.attr(options.attrForName), val = $input.val(); if ($input.attr("required") == 'yes') {
                    if ($input.is(":checkbox") || $input.is(":radio"))
                        if (!$input.attr('checked') || !$input.is(':checked')) { $input.setError('Please select ' + Name); return false; }
                    if (val == '' || val == undefined) { $input.setError('Please type ' + Name); return false; } 
                }
                var mask = _rules[Name] || $input.attr("rule") || false; if (mask) {
                    switch (mask) { case 'alpha': mask = /^[a-zA-Z\s]*$/; break; case 'numeric': mask = /^[0-9\s]*$/; break; case 'floating': mask = /^[0-9-\.\s]*$/; break; case 'alnum': mask = /^[a-zA-Z-0-9\s]*$/; break; case 'alnumhyph': mask = /^[a-zA-Z0-9-\s]*$/; break; case 'email': mask = /^[^@\s<&>]+@([-a-z0-9]+\.)+[a-z]{2,}$/i; break; }
                    if (!mask.test(val)) { $input.setError('Invalid ' + Name); return false; } 
                }
                var minlen = $input.attr("minlength") || 0; if (minlen) { var thislen = val.length; if (minlen > thislen) { $input.setError('Length of ' + Name + ' must be greater than ' + minlen); return false; } }
                var elem = _sameAs[Name] || false; if (elem) {
                    if (elem.val() !== val) { $input.setError(elem.attr('name') + ' does not match.'); $input.nextAll('.' + options.errorMsgClass).slideDown(); return false; }
                    $input.nextAll('.' + options.errorMsgClass).slideUp();
                }
                $input.removeError();
            }; var methods = { setError: function (msg) { var name = $(this).attr("name"), fid = $(this).parents("form:last").attr("id"); _errors[fid][name] = []; _errors[fid][name]['elem'] = this; _errors[fid][name]['msg'] = msg; return this.changeClass(options.focusClass, options.errorClass); }, removeError: function () {
                var fid = $(this).parents("form:last").attr("id"); delete _errors[fid][$(this).attr("name")]; if (this.hasClass('inp-error'))
                    return this.changeClass(options.errorClass, options.focusClass);
            }, showErrors: function () {
                if (options.alertErrors) {
                    var s = 'Following errors are occured:', fid = $(this).attr("id"); for (x in _errors[fid])
                        s += "\n " + _errors[fid][x]['msg'] + '.'; alert(s);
                }
                return this;
            }, countErrors: function () {
                var c = 0, x; for (x in _errors[$(this).attr("id")])
                    c++; return c;
            }, rule: function (mask) { this.each(function () { _rules[$(this).attr('name')] = mask; }); return this; }, sameAs: function (elem) { _sameAs[$(this).attr('name')] = elem; return this; }, changeClass: function (from, to) { return this.removeClass(from).addClass(to); } 
            }; $.each(methods, function (i) { $.fn[i] = this; }); return $form;
    };
})(jQuery);