/**
 * Yii JavaScript module.
 *
 * @link http://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @since 2.0
 */

/**
 * yii is the root module for all Yii JavaScript modules.
 * It implements a mechanism of organizing JavaScript code in modules through the function "yii.initModule()".
 *
 * Each module should be named as "x.y.z", where "x" stands for the root module (for the Yii core code, this is "yii").
 *
 * A module may be structured as follows:
 *
 * ```javascript
 * window.yii.sample = (function($) {
 *     var pub = {
 *         // whether this module is currently active. If false, init() will not be called for this module
 *         // it will also not be called for all its child modules. If this property is undefined, it means true.
 *         isActive: true,
 *         init: function() {
 *             // ... module initialization code goes here ...
 *         },
 *
 *         // ... other public functions and properties go here ...
 *     };
 *
 *     // ... private functions and properties go here ...
 *
 *     return pub;
 * })(window.jQuery);
 * ```
 *
 * Using this structure, you can define public and private functions/properties for a module.
 * Private functions/properties are only visible within the module, while public functions/properties
 * may be accessed outside of the module. For example, you can access "yii.sample.isActive".
 *
 * You must call "yii.initModule()" once for the root module of all your modules.
 */
window.yii = (function ($) {
    var pub = {
        /**
         * List of JS or CSS URLs that can be loaded multiple times via AJAX requests.
         * Each item may be represented as either an absolute URL or a relative one.
         * Each item may contain a wildcard matching character `*`, that means one or more
         * any characters on the position. For example:
         *  - `/css/*.css` will match any file ending with `.css` in the `css` directory of the current web site
         *  - `http*://cdn.example.com/*` will match any files on domain `cdn.example.com`, loaded with HTTP or HTTPS
         *  - `/js/myCustomScript.js?realm=*` will match file `/js/myCustomScript.js` with defined `realm` parameter
         */
        reloadableScripts: [],
        /**
         * The selector for clickable elements that need to support confirmation and form submission.
         */
        clickableSelector: 'a, button, input[type="submit"], input[type="button"], input[type="reset"], ' +
            'input[type="image"]',
        /**
         * The selector for changeable elements that need to support confirmation and form submission.
         */
        changeableSelector: 'select, input, textarea',

        /**
         * @return string|undefined the CSRF parameter name. Undefined is returned if CSRF validation is not enabled.
         */
        getCsrfParam: function () {
            return $('meta[name=csrf-param]').attr('content');
        },

        /**
         * @return string|undefined the CSRF token. Undefined is returned if CSRF validation is not enabled.
         */
        getCsrfToken: function () {
            return $('meta[name=csrf-token]').attr('content');
        },

        /**
         * Sets the CSRF token in the meta elements.
         * This method is provided so that you can update the CSRF token with the latest one you obtain from the server.
         * @param name the CSRF token name
         * @param value the CSRF token value
         */
        setCsrfToken: function (name, value) {
            $('meta[name=csrf-param]').attr('content', name);
            $('meta[name=csrf-token]').attr('content', value);
        },

        /**
         * Updates all form CSRF input fields with the latest CSRF token.
         * This method is provided to avoid cached forms containing outdated CSRF tokens.
         */
        refreshCsrfToken: function () {
            var token = pub.getCsrfToken();
            if (token) {
                $('form input[name="' + pub.getCsrfParam() + '"]').val(token);
            }
        },

        /**
         * Displays a confirmation dialog.
         * The default implementation simply displays a js confirmation dialog.
         * You may override this by setting `yii.confirm`.
         * @param message the confirmation message.
         * @param ok a callback to be called when the user confirms the message
         * @param cancel a callback to be called when the user cancels the confirmation
         */
        confirm: function (message, ok, cancel) {
            if (window.confirm(message)) {
                !ok || ok();
            } else {
                !cancel || cancel();
            }
        },

        /**
         * Handles the action triggered by user.
         * This method recognizes the `data-method` attribute of the element. If the attribute exists,
         * the method will submit the form containing this element. If there is no containing form, a form
         * will be created and submitted using the method given by this attribute value (e.g. "post", "put").
         * For hyperlinks, the form action will take the value of the "href" attribute of the link.
         * For other elements, either the containing form action or the current page URL will be used
         * as the form action URL.
         *
         * If the `data-method` attribute is not defined, the `href` attribute (if any) of the element
         * will be assigned to `window.location`.
         *
         * Starting from version 2.0.3, the `data-params` attribute is also recognized when you specify
         * `data-method`. The value of `data-params` should be a JSON representation of the data (name-value pairs)
         * that should be submitted as hidden inputs. For example, you may use the following code to generate
         * such a link:
         *
         * ```php
         * use yii\helpers\Html;
         * use yii\helpers\Json;
         *
         * echo Html::a('submit', ['site/foobar'], [
         *     'data' => [
         *         'method' => 'post',
         *         'params' => [
         *             'name1' => 'value1',
         *             'name2' => 'value2',
         *         ],
         *     ],
         * ]);
         * ```
         *
         * @param $e the jQuery representation of the element
         * @param event Related event
         */
        handleAction: function ($e, event) {
            var $form = $e.attr('data-form') ? $('#' + $e.attr('data-form')) : $e.closest('form'),
                method = !$e.data('method') && $form ? $form.attr('method') : $e.data('method'),
                action = $e.attr('href'),
                isValidAction = action && action !== '#',
                params = $e.data('params'),
                areValidParams = params && $.isPlainObject(params),
                pjax = $e.data('pjax'),
                usePjax = pjax !== undefined && pjax !== 0 && $.support.pjax,
                pjaxContainer,
                pjaxOptions = {},
                conflictParams = ['submit', 'reset', 'elements', 'length', 'name', 'acceptCharset',
                    'action', 'enctype', 'method', 'target'];

            // Forms and their child elements should not use input names or ids that conflict with properties of a form,
            // such as submit, length, or method.
            $.each(conflictParams, function (index, param) {
                if (areValidParams && params.hasOwnProperty(param)) {
                    console.error("Parameter name '" + param + "' conflicts with a same named form property. " +
                        "Please use another name.");
                }
            });

            if (usePjax) {
                pjaxContainer = $e.data('pjax-container');
                if (pjaxContainer === undefined || !pjaxContainer.length) {
                    pjaxContainer = $e.closest('[data-pjax-container]').attr('id')
                        ? ('#' + $e.closest('[data-pjax-container]').attr('id'))
                        : '';
                }
                if (!pjaxContainer.length) {
                    pjaxContainer = 'body';
                }
                pjaxOptions = {
                    container: pjaxContainer,
                    push: !!$e.data('pjax-push-state'),
                    replace: !!$e.data('pjax-replace-state'),
                    scrollTo: $e.data('pjax-scrollto'),
                    pushRedirect: $e.data('pjax-push-redirect'),
                    replaceRedirect: $e.data('pjax-replace-redirect'),
                    skipOuterContainers: $e.data('pjax-skip-outer-containers'),
                    timeout: $e.data('pjax-timeout'),
                    originalEvent: event,
                    originalTarget: $e
                };
            }

            if (method === undefined) {
                if (isValidAction) {
                    usePjax ? $.pjax.click(event, pjaxOptions) : window.location.assign(action);
                } else if ($e.is(':submit') && $form.length) {
                    if (usePjax) {
                        $form.on('submit', function (e) {
                            $.pjax.submit(e, pjaxOptions);
                        });
                    }
                    $form.trigger('submit');
                }
                return;
            }

            var oldMethod,
                oldAction,
                newForm = !$form.length;
            if (!newForm) {
                oldMethod = $form.attr('method');
                $form.attr('method', method);
                if (isValidAction) {
                    oldAction = $form.attr('action');
                    $form.attr('action', action);
                }
            } else {
                if (!isValidAction) {
                    action = pub.getCurrentUrl();
                }
                $form = $('<form/>', {method: method, action: action});
                var target = $e.attr('target');
                if (target) {
                    $form.attr('target', target);
                }
                if (!/(get|post)/i.test(method)) {
                    $form.append($('<input/>', {name: '_method', value: method, type: 'hidden'}));
                    method = 'post';
                    $form.attr('method', method);
                }
                if (/post/i.test(method)) {
                    var csrfParam = pub.getCsrfParam();
                    if (csrfParam) {
                        $form.append($('<input/>', {name: csrfParam, value: pub.getCsrfToken(), type: 'hidden'}));
                    }
                }
                $form.hide().appendTo('body');
            }

            var activeFormData = $form.data('yiiActiveForm');
            if (activeFormData) {
                // Remember the element triggered the form submission. This is used by yii.activeForm.js.
                activeFormData.submitObject = $e;
            }

            if (areValidParams) {
                $.each(params, function (name, value) {
                    $form.append($('<input/>').attr({name: name, value: value, type: 'hidden'}));
                });
            }

            if (usePjax) {
                $form.on('submit', function (e) {
                    $.pjax.submit(e, pjaxOptions);
                });
            }

            $form.trigger('submit');

            $.when($form.data('yiiSubmitFinalizePromise')).done(function () {
                if (newForm) {
                    $form.remove();
                    return;
                }

                if (oldAction !== undefined) {
                    $form.attr('action', oldAction);
                }
                $form.attr('method', oldMethod);

                if (areValidParams) {
                    $.each(params, function (name) {
                        $('input[name="' + name + '"]', $form).remove();
                    });
                }
            });
        },

        getQueryParams: function (url) {
            var pos = url.indexOf('?');
            if (pos < 0) {
                return {};
            }

            var pairs = $.grep(url.substring(pos + 1).split('#')[0].split('&'), function (value) {
                return value !== '';
            });
            var params = {};

            for (var i = 0, len = pairs.length; i < len; i++) {
                var pair = pairs[i].split('=');
                var name = decodeURIComponent(pair[0].replace(/\+/g, '%20'));
                var value = decodeURIComponent(pair[1].replace(/\+/g, '%20'));
                if (!name.length) {
                    continue;
                }
                if (params[name] === undefined) {
                    params[name] = value || '';
                } else {
                    if (!$.isArray(params[name])) {
                        params[name] = [params[name]];
                    }
                    params[name].push(value || '');
                }
            }

            return params;
        },

        initModule: function (module) {
            if (module.isActive !== undefined && !module.isActive) {
                return;
            }
            if ($.isFunction(module.init)) {
                module.init();
            }
            $.each(module, function () {
                if ($.isPlainObject(this)) {
                    pub.initModule(this);
                }
            });
        },

        init: function () {
            initCsrfHandler();
            initRedirectHandler();
            initAssetFilters();
            initDataMethods();
        },

        /**
         * Returns the URL of the current page without params and trailing slash. Separated and made public for testing.
         * @returns {string}
         */
        getBaseCurrentUrl: function () {
            return window.location.protocol + '//' + window.location.host;
        },

        /**
         * Returns the URL of the current page. Used for testing, you can always call `window.location.href` manually
         * instead.
         * @returns {string}
         */
        getCurrentUrl: function () {
            return window.location.href;
        }
    };

    function initCsrfHandler() {
        // automatically send CSRF token for all AJAX requests
        $.ajaxPrefilter(function (options, originalOptions, xhr) {
            if (!options.crossDomain && pub.getCsrfParam()) {
                xhr.setRequestHeader('X-CSRF-Token', pub.getCsrfToken());
            }
        });
        pub.refreshCsrfToken();
    }

    function initRedirectHandler() {
        // handle AJAX redirection
        $(document).ajaxComplete(function (event, xhr) {
            var url = xhr && xhr.getResponseHeader('X-Redirect');
            if (url) {
                window.location.assign(url);
            }
        });
    }

    function initAssetFilters() {
        /**
         * Used for storing loaded scripts and information about loading each script if it's in the process of loading.
         * A single script can have one of the following values:
         *
         * - `undefined` - script was not loaded at all before or was loaded with error last time.
         * - `true` (boolean) -  script was successfully loaded.
         * - object - script is currently loading.
         *
         * In case of a value being an object the properties are:
         * - `xhrList` - represents a queue of XHR requests sent to the same URL (related with this script) in the same
         * small period of time.
         * - `xhrDone` - boolean, acts like a locking mechanism. When one of the XHR requests in the queue is
         * successfully completed, it will abort the rest of concurrent requests to the same URL until cleanup is done
         * to prevent possible errors and race conditions.
         * @type {{}}
         */
        var loadedScripts = {};

        $('script[src]').each(function () {
            var url = getAbsoluteUrl(this.src);
            loadedScripts[url] = true;
        });

        $.ajaxPrefilter('script', function (options, originalOptions, xhr) {
            if (options.dataType == 'jsonp') {
                return;
            }

            var url = getAbsoluteUrl(options.url),
                forbiddenRepeatedLoad = loadedScripts[url] === true && !isReloadableAsset(url),
                cleanupRunning = loadedScripts[url] !== undefined && loadedScripts[url]['xhrDone'] === true;

            if (forbiddenRepeatedLoad || cleanupRunning) {
                xhr.abort();
                return;
            }

            if (loadedScripts[url] === undefined || loadedScripts[url] === true) {
                loadedScripts[url] = {
                    xhrList: [],
                    xhrDone: false
                };
            }

            xhr.done(function (data, textStatus, jqXHR) {
                // If multiple requests were successfully loaded, perform cleanup only once
                if (loadedScripts[jqXHR.yiiUrl]['xhrDone'] === true) {
                    return;
                }

                loadedScripts[jqXHR.yiiUrl]['xhrDone'] = true;

                for (var i = 0, len = loadedScripts[jqXHR.yiiUrl]['xhrList'].length; i < len; i++) {
                    var singleXhr = loadedScripts[jqXHR.yiiUrl]['xhrList'][i];
                    if (singleXhr && singleXhr.readyState !== XMLHttpRequest.DONE) {
                        singleXhr.abort();
                    }
                }

                loadedScripts[jqXHR.yiiUrl] = true;
            }).fail(function (jqXHR, textStatus) {
                if (textStatus === 'abort') {
                    return;
                }

                delete loadedScripts[jqXHR.yiiUrl]['xhrList'][jqXHR.yiiIndex];

                var allFailed = true;
                for (var i = 0, len = loadedScripts[jqXHR.yiiUrl]['xhrList'].length; i < len; i++) {
                    if (loadedScripts[jqXHR.yiiUrl]['xhrList'][i]) {
                        allFailed = false;
                    }
                }

                if (allFailed) {
                    delete loadedScripts[jqXHR.yiiUrl];
                }
            });
            // Use prefix for custom XHR properties to avoid possible conflicts with existing properties
            xhr.yiiIndex = loadedScripts[url]['xhrList'].length;
            xhr.yiiUrl = url;

            loadedScripts[url]['xhrList'][xhr.yiiIndex] = xhr;
        });

        $(document).ajaxComplete(function () {
            var styleSheets = [];
            $('link[rel=stylesheet]').each(function () {
                var url = getAbsoluteUrl(this.href);
                if (isReloadableAsset(url)) {
                    return;
                }

                $.inArray(url, styleSheets) === -1 ? styleSheets.push(url) : $(this).remove();
            });
        });
    }

    function initDataMethods() {
        var handler = function (event) {
            var $this = $(this),
                method = $this.data('method'),
                message = $this.data('confirm'),
                form = $this.data('form');

            if (method === undefined && message === undefined && form === undefined) {
                return true;
            }

            if (message !== undefined && message !== false && message !== '') {
                $.proxy(pub.confirm, this)(message, function () {
                    pub.handleAction($this, event);
                });
            } else {
                pub.handleAction($this, event);
            }
            event.stopImmediatePropagation();
            return false;
        };

        // handle data-confirm and data-method for clickable and changeable elements
        $(document).on('click.yii', pub.clickableSelector, handler)
            .on('change.yii', pub.changeableSelector, handler);
    }

    function isReloadableAsset(url) {
        for (var i = 0; i < pub.reloadableScripts.length; i++) {
            var rule = getAbsoluteUrl(pub.reloadableScripts[i]);
            var match = new RegExp("^" + escapeRegExp(rule).split('\\*').join('.+') + "$").test(url);
            if (match === true) {
                return true;
            }
        }

        return false;
    }

    // http://stackoverflow.com/questions/3446170/escape-string-for-use-in-javascript-regex
    function escapeRegExp(str) {
        return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
    }

    /**
     * Returns absolute URL based on the given URL
     * @param {string} url Initial URL
     * @returns {string}
     */
    function getAbsoluteUrl(url) {
        return url.charAt(0) === '/' ? pub.getBaseCurrentUrl() + url : url;
    }

    return pub;
})(window.jQuery);

window.jQuery(function () {
    window.yii.initModule(window.yii);
});
/**
 * Yii form widget.
 *
 * This is the JavaScript widget used by the yii\widgets\ActiveForm widget.
 *
 * @link http://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @since 2.0
 */
(function ($) {

    $.fn.yiiActiveForm = function (method) {
        if (methods[method]) {
            return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
        } else if (typeof method === 'object' || !method) {
            return methods.init.apply(this, arguments);
        } else {
            $.error('Method ' + method + ' does not exist on jQuery.yiiActiveForm');
            return false;
        }
    };

    var events = {
        /**
         * beforeValidate event is triggered before validating the whole form.
         * The signature of the event handler should be:
         *     function (event, messages, deferreds)
         * where
         *  - event: an Event object.
         *  - messages: an associative array with keys being attribute IDs and values being error message arrays
         *    for the corresponding attributes.
         *  - deferreds: an array of Deferred objects. You can use deferreds.add(callback) to add a new deferred validation.
         *
         * If the handler returns a boolean false, it will stop further form validation after this event. And as
         * a result, afterValidate event will not be triggered.
         */
        beforeValidate: 'beforeValidate',
        /**
         * afterValidate event is triggered after validating the whole form.
         * The signature of the event handler should be:
         *     function (event, messages, errorAttributes)
         * where
         *  - event: an Event object.
         *  - messages: an associative array with keys being attribute IDs and values being error message arrays
         *    for the corresponding attributes.
         *  - errorAttributes: an array of attributes that have validation errors. Please refer to attributeDefaults for the structure of this parameter.
         */
        afterValidate: 'afterValidate',
        /**
         * beforeValidateAttribute event is triggered before validating an attribute.
         * The signature of the event handler should be:
         *     function (event, attribute, messages, deferreds)
         * where
         *  - event: an Event object.
         *  - attribute: the attribute to be validated. Please refer to attributeDefaults for the structure of this parameter.
         *  - messages: an array to which you can add validation error messages for the specified attribute.
         *  - deferreds: an array of Deferred objects. You can use deferreds.add(callback) to add a new deferred validation.
         *
         * If the handler returns a boolean false, it will stop further validation of the specified attribute.
         * And as a result, afterValidateAttribute event will not be triggered.
         */
        beforeValidateAttribute: 'beforeValidateAttribute',
        /**
         * afterValidateAttribute event is triggered after validating the whole form and each attribute.
         * The signature of the event handler should be:
         *     function (event, attribute, messages)
         * where
         *  - event: an Event object.
         *  - attribute: the attribute being validated. Please refer to attributeDefaults for the structure of this parameter.
         *  - messages: an array to which you can add additional validation error messages for the specified attribute.
         */
        afterValidateAttribute: 'afterValidateAttribute',
        /**
         * beforeSubmit event is triggered before submitting the form after all validations have passed.
         * The signature of the event handler should be:
         *     function (event)
         * where event is an Event object.
         *
         * If the handler returns a boolean false, it will stop form submission.
         */
        beforeSubmit: 'beforeSubmit',
        /**
         * ajaxBeforeSend event is triggered before sending an AJAX request for AJAX-based validation.
         * The signature of the event handler should be:
         *     function (event, jqXHR, settings)
         * where
         *  - event: an Event object.
         *  - jqXHR: a jqXHR object
         *  - settings: the settings for the AJAX request
         */
        ajaxBeforeSend: 'ajaxBeforeSend',
        /**
         * ajaxComplete event is triggered after completing an AJAX request for AJAX-based validation.
         * The signature of the event handler should be:
         *     function (event, jqXHR, textStatus)
         * where
         *  - event: an Event object.
         *  - jqXHR: a jqXHR object
         *  - textStatus: the status of the request ("success", "notmodified", "error", "timeout", "abort", or "parsererror").
         */
        ajaxComplete: 'ajaxComplete',
        /**
         * afterInit event is triggered after yii activeForm init.
         * The signature of the event handler should be:
         *     function (event)
         * where
         *  - event: an Event object.
         */
        afterInit: 'afterInit'
    };

    // NOTE: If you change any of these defaults, make sure you update yii\widgets\ActiveForm::getClientOptions() as well
    var defaults = {
        // whether to encode the error summary
        encodeErrorSummary: true,
        // the jQuery selector for the error summary
        errorSummary: '.error-summary',
        // whether to perform validation before submitting the form.
        validateOnSubmit: true,
        // the container CSS class representing the corresponding attribute has validation error
        errorCssClass: 'has-error',
        // the container CSS class representing the corresponding attribute passes validation
        successCssClass: 'has-success',
        // the container CSS class representing the corresponding attribute is being validated
        validatingCssClass: 'validating',
        // the GET parameter name indicating an AJAX-based validation
        ajaxParam: 'ajax',
        // the type of data that you're expecting back from the server
        ajaxDataType: 'json',
        // the URL for performing AJAX-based validation. If not set, it will use the the form's action
        validationUrl: undefined,
        // whether to scroll to first visible error after validation.
        scrollToError: true,
        // offset in pixels that should be added when scrolling to the first error.
        scrollToErrorOffset: 0,
        // where to add validation class: container or input
        validationStateOn: 'container'
    };

    // NOTE: If you change any of these defaults, make sure you update yii\widgets\ActiveField::getClientOptions() as well
    var attributeDefaults = {
        // a unique ID identifying an attribute (e.g. "loginform-username") in a form
        id: undefined,
        // attribute name or expression (e.g. "[0]content" for tabular input)
        name: undefined,
        // the jQuery selector of the container of the input field
        container: undefined,
        // the jQuery selector of the input field under the context of the form
        input: undefined,
        // the jQuery selector of the error tag under the context of the container
        error: '.help-block',
        // whether to encode the error
        encodeError: true,
        // whether to perform validation when a change is detected on the input
        validateOnChange: true,
        // whether to perform validation when the input loses focus
        validateOnBlur: true,
        // whether to perform validation when the user is typing.
        validateOnType: false,
        // number of milliseconds that the validation should be delayed when a user is typing in the input field.
        validationDelay: 500,
        // whether to enable AJAX-based validation.
        enableAjaxValidation: false,
        // function (attribute, value, messages, deferred, $form), the client-side validation function.
        validate: undefined,
        // status of the input field, 0: empty, not entered before, 1: validated, 2: pending validation, 3: validating
        status: 0,
        // whether the validation is cancelled by beforeValidateAttribute event handler
        cancelled: false,
        // the value of the input
        value: undefined,
        // whether to update aria-invalid attribute after validation
        updateAriaInvalid: true
    };


    var submitDefer;

    var setSubmitFinalizeDefer = function($form) {
        submitDefer = $.Deferred();
        $form.data('yiiSubmitFinalizePromise', submitDefer.promise());
    };

    // finalize yii.js $form.submit
    var submitFinalize = function($form) {
        if(submitDefer) {
            submitDefer.resolve();
            submitDefer = undefined;
            $form.removeData('yiiSubmitFinalizePromise');
        }
    };


    var methods = {
        init: function (attributes, options) {
            return this.each(function () {
                var $form = $(this);
                if ($form.data('yiiActiveForm')) {
                    return;
                }

                var settings = $.extend({}, defaults, options || {});
                if (settings.validationUrl === undefined) {
                    settings.validationUrl = $form.attr('action');
                }

                $.each(attributes, function (i) {
                    attributes[i] = $.extend({value: getValue($form, this)}, attributeDefaults, this);
                    watchAttribute($form, attributes[i]);
                });

                $form.data('yiiActiveForm', {
                    settings: settings,
                    attributes: attributes,
                    submitting: false,
                    validated: false,
                    options: getFormOptions($form)
                });

                /**
                 * Clean up error status when the form is reset.
                 * Note that $form.on('reset', ...) does work because the "reset" event does not bubble on IE.
                 */
                $form.on('reset.yiiActiveForm', methods.resetForm);

                if (settings.validateOnSubmit) {
                    $form.on('mouseup.yiiActiveForm keyup.yiiActiveForm', ':submit', function () {
                        $form.data('yiiActiveForm').submitObject = $(this);
                    });
                    $form.on('submit.yiiActiveForm', methods.submitForm);
                }
                var event = $.Event(events.afterInit);
                $form.trigger(event);
            });
        },

        // add a new attribute to the form dynamically.
        // please refer to attributeDefaults for the structure of attribute
        add: function (attribute) {
            var $form = $(this);
            attribute = $.extend({value: getValue($form, attribute)}, attributeDefaults, attribute);
            $form.data('yiiActiveForm').attributes.push(attribute);
            watchAttribute($form, attribute);
        },

        // remove the attribute with the specified ID from the form
        remove: function (id) {
            var $form = $(this),
                attributes = $form.data('yiiActiveForm').attributes,
                index = -1,
                attribute = undefined;
            $.each(attributes, function (i) {
                if (attributes[i]['id'] == id) {
                    index = i;
                    attribute = attributes[i];
                    return false;
                }
            });
            if (index >= 0) {
                attributes.splice(index, 1);
                unwatchAttribute($form, attribute);
            }

            return attribute;
        },

        // manually trigger the validation of the attribute with the specified ID
        validateAttribute: function (id) {
            var attribute = methods.find.call(this, id);
            if (attribute != undefined) {
                validateAttribute($(this), attribute, true);
            }
        },

        // find an attribute config based on the specified attribute ID
        find: function (id) {
            var attributes = $(this).data('yiiActiveForm').attributes,
                result = undefined;
            $.each(attributes, function (i) {
                if (attributes[i]['id'] == id) {
                    result = attributes[i];
                    return false;
                }
            });
            return result;
        },

        destroy: function () {
            return this.each(function () {
                $(this).off('.yiiActiveForm');
                $(this).removeData('yiiActiveForm');
            });
        },

        data: function () {
            return this.data('yiiActiveForm');
        },

        // validate all applicable inputs in the form
        validate: function (forceValidate) {
            if (forceValidate) {
                $(this).data('yiiActiveForm').submitting = true;
            }

            var $form = $(this),
                data = $form.data('yiiActiveForm'),
                needAjaxValidation = false,
                messages = {},
                deferreds = deferredArray(),
                submitting = data.submitting;

            if (submitting) {
                var event = $.Event(events.beforeValidate);
                $form.trigger(event, [messages, deferreds]);

                if (event.result === false) {
                    data.submitting = false;
                    submitFinalize($form);
                    return;
                }
            }

            // client-side validation
            $.each(data.attributes, function () {
                this.$form = $form;
                var $input = findInput($form, this);

                if ($input.is(":disabled")) {
                    return true;
                }
                // pass SELECT without options
                if ($input.length && $input[0].tagName.toLowerCase() === 'select') {
                    if (!$input[0].options.length) {
                        return true;
                    } else if (($input[0].options.length === 1) && ($input[0].options[0].value === '')) {
                        return true;
                    }
                }
                this.cancelled = false;
                // perform validation only if the form is being submitted or if an attribute is pending validation
                if (data.submitting || this.status === 2 || this.status === 3) {
                    var msg = messages[this.id];
                    if (msg === undefined) {
                        msg = [];
                        messages[this.id] = msg;
                    }

                    var event = $.Event(events.beforeValidateAttribute);
                    $form.trigger(event, [this, msg, deferreds]);
                    if (event.result !== false) {
                        if (this.validate) {
                            this.validate(this, getValue($form, this), msg, deferreds, $form);
                        }
                        if (this.enableAjaxValidation) {
                            needAjaxValidation = true;
                        }
                    } else {
                        this.cancelled = true;
                    }
                }
            });

            // ajax validation
            $.when.apply(this, deferreds).always(function() {
                // Remove empty message arrays
                for (var i in messages) {
                    if (0 === messages[i].length) {
                        delete messages[i];
                    }
                }
                if (needAjaxValidation && ($.isEmptyObject(messages) || data.submitting)) {
                    var $button = data.submitObject,
                        extData = '&' + data.settings.ajaxParam + '=' + $form.attr('id');
                    if ($button && $button.length && $button.attr('name')) {
                        extData += '&' + $button.attr('name') + '=' + $button.attr('value');
                    }
                    $.ajax({
                        url: data.settings.validationUrl,
                        type: $form.attr('method'),
                        data: $form.serialize() + extData,
                        dataType: data.settings.ajaxDataType,
                        complete: function (jqXHR, textStatus) {
                            $form.trigger(events.ajaxComplete, [jqXHR, textStatus]);
                        },
                        beforeSend: function (jqXHR, settings) {
                            $form.trigger(events.ajaxBeforeSend, [jqXHR, settings]);
                        },
                        success: function (msgs) {
                            if (msgs !== null && typeof msgs === 'object') {
                                $.each(data.attributes, function () {
                                    if (!this.enableAjaxValidation || this.cancelled) {
                                        delete msgs[this.id];
                                    }
                                });
                                updateInputs($form, $.extend(messages, msgs), submitting);
                            } else {
                                updateInputs($form, messages, submitting);
                            }
                        },
                        error: function () {
                            data.submitting = false;
                            submitFinalize($form);
                        }
                    });
                } else if (data.submitting) {
                    // delay callback so that the form can be submitted without problem
                    window.setTimeout(function () {
                        updateInputs($form, messages, submitting);
                    }, 200);
                } else {
                    updateInputs($form, messages, submitting);
                }
            });
        },

        submitForm: function () {
            var $form = $(this),
                data = $form.data('yiiActiveForm');
            if (data.validated) {
                // Second submit's call (from validate/updateInputs)
                data.submitting = false;
                var event = $.Event(events.beforeSubmit);
                $form.trigger(event);
                if (event.result === false) {
                    data.validated = false;
                    submitFinalize($form);
                    return false;
                }
                updateHiddenButton($form);
                return true;   // continue submitting the form since validation passes
            } else {
                // First submit's call (from yii.js/handleAction) - execute validating
                setSubmitFinalizeDefer($form);

                if (data.settings.timer !== undefined) {
                    clearTimeout(data.settings.timer);
                }
                data.submitting = true;
                methods.validate.call($form);
                return false;
            }
        },

        resetForm: function () {
            var $form = $(this);
            var data = $form.data('yiiActiveForm');
            // Because we bind directly to a form reset event instead of a reset button (that may not exist),
            // when this function is executed form input values have not been reset yet.
            // Therefore we do the actual reset work through setTimeout.
            window.setTimeout(function () {
                $.each(data.attributes, function () {
                    // Without setTimeout() we would get the input values that are not reset yet.
                    this.value = getValue($form, this);
                    this.status = 0;
                    var $container = $form.find(this.container),
                        $input = findInput($form, this),
                        $errorElement = data.settings.validationStateOn === 'input' ? $input : $container;

                    $errorElement.removeClass(
                      data.settings.validatingCssClass + ' ' +
                      data.settings.errorCssClass + ' ' +
                      data.settings.successCssClass
                    );
                    $container.find(this.error).html('');
                });
                $form.find(data.settings.errorSummary).hide().find('ul').html('');
            }, 1);
        },

        /**
         * Updates error messages, input containers, and optionally summary as well.
         * If an attribute is missing from messages, it is considered valid.
         * @param messages array the validation error messages, indexed by attribute IDs
         * @param summary whether to update summary as well.
         */
        updateMessages: function (messages, summary) {
            var $form = $(this);
            var data = $form.data('yiiActiveForm');
            $.each(data.attributes, function () {
                updateInput($form, this, messages);
            });
            if (summary) {
                updateSummary($form, messages);
            }
        },

        /**
         * Updates error messages and input container of a single attribute.
         * If messages is empty, the attribute is considered valid.
         * @param id attribute ID
         * @param messages array with error messages
         */
        updateAttribute: function(id, messages) {
            var attribute = methods.find.call(this, id);
            if (attribute != undefined) {
                var msg = {};
                msg[id] = messages;
                updateInput($(this), attribute, msg);
            }
        }
    };

    var watchAttribute = function ($form, attribute) {
        var $input = findInput($form, attribute);
        if (attribute.validateOnChange) {
            $input.on('change.yiiActiveForm', function () {
                validateAttribute($form, attribute, false);
            });
        }
        if (attribute.validateOnBlur) {
            $input.on('blur.yiiActiveForm', function () {
                if (attribute.status == 0 || attribute.status == 1) {
                    validateAttribute($form, attribute, true);
                }
            });
        }
        if (attribute.validateOnType) {
            $input.on('keyup.yiiActiveForm', function (e) {
                if ($.inArray(e.which, [16, 17, 18, 37, 38, 39, 40]) !== -1 ) {
                    return;
                }
                if (attribute.value !== getValue($form, attribute)) {
                    validateAttribute($form, attribute, false, attribute.validationDelay);
                }
            });
        }
    };

    var unwatchAttribute = function ($form, attribute) {
        findInput($form, attribute).off('.yiiActiveForm');
    };

    var validateAttribute = function ($form, attribute, forceValidate, validationDelay) {
        var data = $form.data('yiiActiveForm');

        if (forceValidate) {
            attribute.status = 2;
        }
        $.each(data.attributes, function () {
            if (!isEqual(this.value, getValue($form, this))) {
                this.status = 2;
                forceValidate = true;
            }
        });
        if (!forceValidate) {
            return;
        }

        if (data.settings.timer !== undefined) {
            clearTimeout(data.settings.timer);
        }
        data.settings.timer = window.setTimeout(function () {
            if (data.submitting || $form.is(':hidden')) {
                return;
            }
            $.each(data.attributes, function () {
                if (this.status === 2) {
                    this.status = 3;
                    $form.find(this.container).addClass(data.settings.validatingCssClass);
                }
            });
            methods.validate.call($form);
        }, validationDelay ? validationDelay : 200);
    };

    /**
     * Compares two value whatever it objects, arrays or simple types
     * @param val1
     * @param val2
     * @returns boolean
     */
    var isEqual = function(val1, val2) {
        // objects
        if (val1 instanceof Object) {
            return isObjectsEqual(val1, val2)
        }

        // arrays
        if (Array.isArray(val1)) {
            return isArraysEqual(val1, val2);
        }

        // simple types
        return val1 === val2;
    };

    /**
     * Compares two objects
     * @param obj1
     * @param obj2
     * @returns boolean
     */
    var isObjectsEqual = function(obj1, obj2) {
        if (!(obj1 instanceof Object) || !(obj2 instanceof Object)) {
            return false;
        }

        var keys1 = Object.keys(obj1);
        var keys2 = Object.keys(obj2);
        if (keys1.length !== keys2.length) {
            return false;
        }

        for (var i = 0; i < keys1.length; i += 1) {
            if (!obj2.hasOwnProperty(keys1[i])) {
                return false;
            }
            if (obj1[keys1[i]] !== obj2[keys1[i]]) {
                return false;
            }
        }

        return true;
    };

    /**
     * Compares two arrays
     * @param arr1
     * @param arr2
     * @returns boolean
     */
    var isArraysEqual = function(arr1, arr2) {
        if (!Array.isArray(arr1) || !Array.isArray(arr2)) {
            return false;
        }

        if (arr1.length !== arr2.length) {
            return false;
        }
        for (var i = 0; i < arr1.length; i += 1) {
            if (arr1[i] !== arr2[i]) {
                return false;
            }
        }
        return true;
    };

    /**
     * Returns an array prototype with a shortcut method for adding a new deferred.
     * The context of the callback will be the deferred object so it can be resolved like ```this.resolve()```
     * @returns Array
     */
    var deferredArray = function () {
        var array = [];
        array.add = function(callback) {
            this.push(new $.Deferred(callback));
        };
        return array;
    };

    var buttonOptions = ['action', 'target', 'method', 'enctype'];

    /**
     * Returns current form options
     * @param $form
     * @returns object Object with button of form options
     */
    var getFormOptions = function ($form) {
        var attributes = {};
        for (var i = 0; i < buttonOptions.length; i++) {
            attributes[buttonOptions[i]] = $form.attr(buttonOptions[i]);
        }

        return attributes;
    };

    /**
     * Applies temporary form options related to submit button
     * @param $form the form jQuery object
     * @param $button the button jQuery object
     */
    var applyButtonOptions = function ($form, $button) {
        for (var i = 0; i < buttonOptions.length; i++) {
            var value = $button.attr('form' + buttonOptions[i]);
            if (value) {
                $form.attr(buttonOptions[i], value);
            }
        }
    };

    /**
     * Restores original form options
     * @param $form the form jQuery object
     */
    var restoreButtonOptions = function ($form) {
        var data = $form.data('yiiActiveForm');

        for (var i = 0; i < buttonOptions.length; i++) {
            $form.attr(buttonOptions[i], data.options[buttonOptions[i]] || null);
        }
    };

    /**
     * Updates the error messages and the input containers for all applicable attributes
     * @param $form the form jQuery object
     * @param messages array the validation error messages
     * @param submitting whether this method is called after validation triggered by form submission
     */
    var updateInputs = function ($form, messages, submitting) {
        var data = $form.data('yiiActiveForm');

        if (data === undefined) {
            return false;
        }

        var errorAttributes = [], $input;
        $.each(data.attributes, function () {
            var hasError = (submitting && updateInput($form, this, messages)) || (!submitting && attrHasError($form, this, messages));
            $input = findInput($form, this);

            if (!$input.is(":disabled") && !this.cancelled && hasError) {
                errorAttributes.push(this);
            }
        });

        $form.trigger(events.afterValidate, [messages, errorAttributes]);

        if (submitting) {
            updateSummary($form, messages);
            if (errorAttributes.length) {
                if (data.settings.scrollToError) {
                    var top = $form.find($.map(errorAttributes, function(attribute) {
                        return attribute.input;
                    }).join(',')).first().closest(':visible').offset().top - data.settings.scrollToErrorOffset;
                    if (top < 0) {
                        top = 0;
                    } else if (top > $(document).height()) {
                        top = $(document).height();
                    }
                    var wtop = $(window).scrollTop();
                    if (top < wtop || top > wtop + $(window).height()) {
                        $(window).scrollTop(top);
                    }
                }
                data.submitting = false;
            } else {
                data.validated = true;
                if (data.submitObject) {
                    applyButtonOptions($form, data.submitObject);
                }
                $form.submit();
                if (data.submitObject) {
                    restoreButtonOptions($form);
                }
            }
        } else {
            $.each(data.attributes, function () {
                if (!this.cancelled && (this.status === 2 || this.status === 3)) {
                    updateInput($form, this, messages);
                }
            });
        }
        submitFinalize($form);
    };

    /**
     * Updates hidden field that represents clicked submit button.
     * @param $form the form jQuery object.
     */
    var updateHiddenButton = function ($form) {
        var data = $form.data('yiiActiveForm');
        var $button = data.submitObject || $form.find(':submit:first');
        // TODO: if the submission is caused by "change" event, it will not work
        if ($button.length && $button.attr('type') == 'submit' && $button.attr('name')) {
            // simulate button input value
            var $hiddenButton = $('input[type="hidden"][name="' + $button.attr('name') + '"]', $form);
            if (!$hiddenButton.length) {
                $('<input>').attr({
                    type: 'hidden',
                    name: $button.attr('name'),
                    value: $button.attr('value')
                }).appendTo($form);
            } else {
                $hiddenButton.attr('value', $button.attr('value'));
            }
        }
    };

    /**
     * Updates the error message and the input container for a particular attribute.
     * @param $form the form jQuery object
     * @param attribute object the configuration for a particular attribute.
     * @param messages array the validation error messages
     * @return boolean whether there is a validation error for the specified attribute
     */
    var updateInput = function ($form, attribute, messages) {
        var data = $form.data('yiiActiveForm'),
            $input = findInput($form, attribute),
            hasError = attrHasError($form, attribute, messages);

        if (!$.isArray(messages[attribute.id])) {
            messages[attribute.id] = [];
        }

        attribute.status = 1;
        if ($input.length) {
            var $container = $form.find(attribute.container);
            var $error = $container.find(attribute.error);
            updateAriaInvalid($form, attribute, hasError);

            var $errorElement = data.settings.validationStateOn === 'input' ? $input : $container;

            if (hasError) {
                if (attribute.encodeError) {
                    $error.text(messages[attribute.id][0]);
                } else {
                    $error.html(messages[attribute.id][0]);
                }
                $errorElement.removeClass(data.settings.validatingCssClass + ' ' + data.settings.successCssClass)
                  .addClass(data.settings.errorCssClass);
            } else {
                $error.empty();
                $errorElement.removeClass(data.settings.validatingCssClass + ' ' + data.settings.errorCssClass + ' ')
                  .addClass(data.settings.successCssClass);
            }
            attribute.value = getValue($form, attribute);
        }

        $form.trigger(events.afterValidateAttribute, [attribute, messages[attribute.id]]);

        return hasError;
    };

    /**
     * Checks if a particular attribute has an error
     * @param $form the form jQuery object
     * @param attribute object the configuration for a particular attribute.
     * @param messages array the validation error messages
     * @return boolean whether there is a validation error for the specified attribute
     */
    var attrHasError = function ($form, attribute, messages) {
        var $input = findInput($form, attribute),
            hasError = false;

        if (!$.isArray(messages[attribute.id])) {
            messages[attribute.id] = [];
        }

        if ($input.length) {
            hasError = messages[attribute.id].length > 0;
        }

        return hasError;
    };

    /**
     * Updates the error summary.
     * @param $form the form jQuery object
     * @param messages array the validation error messages
     */
    var updateSummary = function ($form, messages) {
        var data = $form.data('yiiActiveForm'),
            $summary = $form.find(data.settings.errorSummary),
            $ul = $summary.find('ul').empty();

        if ($summary.length && messages) {
            $.each(data.attributes, function () {
                if ($.isArray(messages[this.id]) && messages[this.id].length) {
                    var error = $('<li/>');
                    if (data.settings.encodeErrorSummary) {
                        error.text(messages[this.id][0]);
                    } else {
                        error.html(messages[this.id][0]);
                    }
                    $ul.append(error);
                }
            });
            $summary.toggle($ul.find('li').length > 0);
        }
    };

    var getValue = function ($form, attribute) {
        var $input = findInput($form, attribute);
        var type = $input.attr('type');
        if (type === 'checkbox' || type === 'radio') {
            var $realInput = $input.filter(':checked');
            if ($realInput.length > 1) {
                var values = [];
                $realInput.each(function(index) {
                    values.push($($realInput.get(index)).val());
                });
                return values;
            }

            if (!$realInput.length) {
                $realInput = $form.find('input[type=hidden][name="' + $input.attr('name') + '"]');
            }

            return $realInput.val();
        } else {
            return $input.val();
        }
    };

    var findInput = function ($form, attribute) {
        var $input = $form.find(attribute.input);
        if ($input.length && $input[0].tagName.toLowerCase() === 'div') {
            // checkbox list or radio list
            return $input.find('input');
        } else {
            return $input;
        }
    };

    var updateAriaInvalid = function ($form, attribute, hasError) {
        if (attribute.updateAriaInvalid) {
            $form.find(attribute.input).attr('aria-invalid', hasError ? 'true' : 'false');
        }
    }
})(window.jQuery);

/**
 * Yii validation module.
 *
 * This JavaScript module provides the validation methods for the built-in validators.
 *
 * @link http://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @since 2.0
 */

yii.validation = (function ($) {
    var pub = {
        isEmpty: function (value) {
            return value === null || value === undefined || ($.isArray(value) && value.length === 0) || value === '';
        },

        addMessage: function (messages, message, value) {
            messages.push(message.replace(/\{value\}/g, value));
        },

        required: function (value, messages, options) {
            var valid = false;
            if (options.requiredValue === undefined) {
                var isString = typeof value == 'string' || value instanceof String;
                if (options.strict && value !== undefined || !options.strict && !pub.isEmpty(isString ? $.trim(value) : value)) {
                    valid = true;
                }
            } else if (!options.strict && value == options.requiredValue || options.strict && value === options.requiredValue) {
                valid = true;
            }

            if (!valid) {
                pub.addMessage(messages, options.message, value);
            }
        },

        // "boolean" is a reserved keyword in older versions of ES so it's quoted for IE < 9 support
        'boolean': function (value, messages, options) {
            if (options.skipOnEmpty && pub.isEmpty(value)) {
                return;
            }
            var valid = !options.strict && (value == options.trueValue || value == options.falseValue)
                || options.strict && (value === options.trueValue || value === options.falseValue);

            if (!valid) {
                pub.addMessage(messages, options.message, value);
            }
        },

        string: function (value, messages, options) {
            if (options.skipOnEmpty && pub.isEmpty(value)) {
                return;
            }

            if (typeof value !== 'string') {
                pub.addMessage(messages, options.message, value);
                return;
            }

            if (options.is !== undefined && value.length != options.is) {
                pub.addMessage(messages, options.notEqual, value);
                return;
            }
            if (options.min !== undefined && value.length < options.min) {
                pub.addMessage(messages, options.tooShort, value);
            }
            if (options.max !== undefined && value.length > options.max) {
                pub.addMessage(messages, options.tooLong, value);
            }
        },

        file: function (attribute, messages, options) {
            var files = getUploadedFiles(attribute, messages, options);
            $.each(files, function (i, file) {
                validateFile(file, messages, options);
            });
        },

        image: function (attribute, messages, options, deferredList) {
            var files = getUploadedFiles(attribute, messages, options);
            $.each(files, function (i, file) {
                validateFile(file, messages, options);

                // Skip image validation if FileReader API is not available
                if (typeof FileReader === "undefined") {
                    return;
                }

                var deferred = $.Deferred();
                pub.validateImage(file, messages, options, deferred, new FileReader(), new Image());
                deferredList.push(deferred);
            });
        },

        validateImage: function (file, messages, options, deferred, fileReader, image) {
            image.onload = function() {
                validateImageSize(file, image, messages, options);
                deferred.resolve();
            };

            image.onerror = function () {
                messages.push(options.notImage.replace(/\{file\}/g, file.name));
                deferred.resolve();
            };

            fileReader.onload = function () {
                image.src = this.result;
            };

            // Resolve deferred if there was error while reading data
            fileReader.onerror = function () {
                deferred.resolve();
            };

            fileReader.readAsDataURL(file);
        },

        number: function (value, messages, options) {
            if (options.skipOnEmpty && pub.isEmpty(value)) {
                return;
            }

            if (typeof value === 'string' && !options.pattern.test(value)) {
                pub.addMessage(messages, options.message, value);
                return;
            }

            if (options.min !== undefined && value < options.min) {
                pub.addMessage(messages, options.tooSmall, value);
            }
            if (options.max !== undefined && value > options.max) {
                pub.addMessage(messages, options.tooBig, value);
            }
        },

        range: function (value, messages, options) {
            if (options.skipOnEmpty && pub.isEmpty(value)) {
                return;
            }

            if (!options.allowArray && $.isArray(value)) {
                pub.addMessage(messages, options.message, value);
                return;
            }

            var inArray = true;

            $.each($.isArray(value) ? value : [value], function (i, v) {
                if ($.inArray(v, options.range) == -1) {
                    inArray = false;
                    return false;
                } else {
                    return true;
                }
            });

            if (options.not === undefined) {
                options.not = false;
            }

            if (options.not === inArray) {
                pub.addMessage(messages, options.message, value);
            }
        },

        regularExpression: function (value, messages, options) {
            if (options.skipOnEmpty && pub.isEmpty(value)) {
                return;
            }

            if (!options.not && !options.pattern.test(value) || options.not && options.pattern.test(value)) {
                pub.addMessage(messages, options.message, value);
            }
        },

        email: function (value, messages, options) {
            if (options.skipOnEmpty && pub.isEmpty(value)) {
                return;
            }

            var valid = true,
                regexp = /^((?:"?([^"]*)"?\s)?)(?:\s+)?(?:(<?)((.+)@([^>]+))(>?))$/,
                matches = regexp.exec(value);

            if (matches === null) {
                valid = false;
            } else {
                var localPart = matches[5],
                    domain = matches[6];

                if (options.enableIDN) {
                    localPart = punycode.toASCII(localPart);
                    domain = punycode.toASCII(domain);

                    value = matches[1] + matches[3] + localPart + '@' + domain + matches[7];
                }

                if (localPart.length > 64) {
                    valid = false;
                } else if ((localPart + '@' + domain).length > 254) {
                    valid = false;
                } else {
                    valid = options.pattern.test(value) || (options.allowName && options.fullPattern.test(value));
                }
            }

            if (!valid) {
                pub.addMessage(messages, options.message, value);
            }
        },

        url: function (value, messages, options) {
            if (options.skipOnEmpty && pub.isEmpty(value)) {
                return;
            }

            if (options.defaultScheme && !/:\/\//.test(value)) {
                value = options.defaultScheme + '://' + value;
            }

            var valid = true;

            if (options.enableIDN) {
                var matches = /^([^:]+):\/\/([^\/]+)(.*)$/.exec(value);
                if (matches === null) {
                    valid = false;
                } else {
                    value = matches[1] + '://' + punycode.toASCII(matches[2]) + matches[3];
                }
            }

            if (!valid || !options.pattern.test(value)) {
                pub.addMessage(messages, options.message, value);
            }
        },

        trim: function ($form, attribute, options, value) {
            var $input = $form.find(attribute.input);
            if ($input.is(':checkbox, :radio')) {
                return value;
            }

            value = $input.val();
            if (!options.skipOnEmpty || !pub.isEmpty(value)) {
                value = $.trim(value);
                $input.val(value);
            }

            return value;
        },

        captcha: function (value, messages, options) {
            if (options.skipOnEmpty && pub.isEmpty(value)) {
                return;
            }

            // CAPTCHA may be updated via AJAX and the updated hash is stored in body data
            var hash = $('body').data(options.hashKey);
            hash = hash == null ? options.hash : hash[options.caseSensitive ? 0 : 1];
            var v = options.caseSensitive ? value : value.toLowerCase();
            for (var i = v.length - 1, h = 0; i >= 0; --i) {
                h += v.charCodeAt(i);
            }
            if (h != hash) {
                pub.addMessage(messages, options.message, value);
            }
        },

        compare: function (value, messages, options, $form) {
            if (options.skipOnEmpty && pub.isEmpty(value)) {
                return;
            }

            var compareValue,
                valid = true;
            if (options.compareAttribute === undefined) {
                compareValue = options.compareValue;
            } else {
                var $target = $('#' + options.compareAttribute);
                if (!$target.length) {
                    $target = $form.find('[name="' + options.compareAttributeName + '"]');
                }
                compareValue = $target.val();
            }

            if (options.type === 'number') {
                value = value ? parseFloat(value) : 0;
                compareValue = compareValue ? parseFloat(compareValue) : 0;
            }
            switch (options.operator) {
                case '==':
                    valid = value == compareValue;
                    break;
                case '===':
                    valid = value === compareValue;
                    break;
                case '!=':
                    valid = value != compareValue;
                    break;
                case '!==':
                    valid = value !== compareValue;
                    break;
                case '>':
                    valid = value > compareValue;
                    break;
                case '>=':
                    valid = value >= compareValue;
                    break;
                case '<':
                    valid = value < compareValue;
                    break;
                case '<=':
                    valid = value <= compareValue;
                    break;
                default:
                    valid = false;
                    break;
            }

            if (!valid) {
                pub.addMessage(messages, options.message, value);
            }
        },

        ip: function (value, messages, options) {
            if (options.skipOnEmpty && pub.isEmpty(value)) {
                return;
            }

            var negation = null,
                cidr = null,
                matches = new RegExp(options.ipParsePattern).exec(value);
            if (matches) {
                negation = matches[1] || null;
                value = matches[2];
                cidr = matches[4] || null;
            }

            if (options.subnet === true && cidr === null) {
                pub.addMessage(messages, options.messages.noSubnet, value);
                return;
            }
            if (options.subnet === false && cidr !== null) {
                pub.addMessage(messages, options.messages.hasSubnet, value);
                return;
            }
            if (options.negation === false && negation !== null) {
                pub.addMessage(messages, options.messages.message, value);
                return;
            }

            var ipVersion = value.indexOf(':') === -1 ? 4 : 6;
            if (ipVersion == 6) {
                if (!(new RegExp(options.ipv6Pattern)).test(value)) {
                    pub.addMessage(messages, options.messages.message, value);
                }
                if (!options.ipv6) {
                    pub.addMessage(messages, options.messages.ipv6NotAllowed, value);
                }
            } else {
                if (!(new RegExp(options.ipv4Pattern)).test(value)) {
                    pub.addMessage(messages, options.messages.message, value);
                }
                if (!options.ipv4) {
                    pub.addMessage(messages, options.messages.ipv4NotAllowed, value);
                }
            }
        }
    };

    function getUploadedFiles(attribute, messages, options) {
        // Skip validation if File API is not available
        if (typeof File === "undefined") {
            return [];
        }

        var fileInput = $(attribute.input, attribute.$form).get(0);

        // Skip validation if file input does not exist
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        if (typeof fileInput === "undefined") {
            return [];
        }

        var files = fileInput.files;
        if (!files) {
            messages.push(options.message);
            return [];
        }

        if (files.length === 0) {
            if (!options.skipOnEmpty) {
                messages.push(options.uploadRequired);
            }

            return [];
        }

        if (options.maxFiles && options.maxFiles < files.length) {
            messages.push(options.tooMany);
            return [];
        }

        return files;
    }

    function validateFile(file, messages, options) {
        if (options.extensions && options.extensions.length > 0) {
            var index = file.name.lastIndexOf('.');
            var ext = !~index ? '' : file.name.substr(index + 1, file.name.length).toLowerCase();

            if (!~options.extensions.indexOf(ext)) {
                messages.push(options.wrongExtension.replace(/\{file\}/g, file.name));
            }
        }

        if (options.mimeTypes && options.mimeTypes.length > 0) {
            if (!validateMimeType(options.mimeTypes, file.type)) {
                messages.push(options.wrongMimeType.replace(/\{file\}/g, file.name));
            }
        }

        if (options.maxSize && options.maxSize < file.size) {
            messages.push(options.tooBig.replace(/\{file\}/g, file.name));
        }

        if (options.minSize && options.minSize > file.size) {
            messages.push(options.tooSmall.replace(/\{file\}/g, file.name));
        }
    }

    function validateMimeType(mimeTypes, fileType) {
        for (var i = 0, len = mimeTypes.length; i < len; i++) {
            if (new RegExp(mimeTypes[i]).test(fileType)) {
                return true;
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        }

        return false;
    }

    function validateImageSize(file, image, messages, options) {
        if (options.minWidth && image.width < options.minWidth) {
            messages.push(options.underWidth.replace(/\{file\}/g, file.name));
        }

        if (options.maxWidth && image.width > options.maxWidth) {
            messages.push(options.overWidth.replace(/\{file\}/g, file.name));
        }

        if (options.minHeight && image.height < options.minHeight) {
            messages.push(options.underHeight.replace(/\{file\}/g, file.name));
        }

        if (options.maxHeight && image.height > options.maxHeight) {
            messages.push(options.overHeight.replace(/\{file\}/g, file.name));
        }
    }

    return pub;
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