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/**
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* Yii form widget.
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*
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* This is the JavaScript widget used by the yii\widgets\ActiveForm widget.
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*
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @since 2.0
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*/
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(function ($) {
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$.fn.yiiActiveForm = function (method) {
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if (methods[method]) {
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return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
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} else if (typeof method === 'object' || !method) {
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return methods.init.apply(this, arguments);
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} else {
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$.error('Method ' + method + ' does not exist on jQuery.yiiActiveForm');
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return false;
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}
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};
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var events = {
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/**
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* beforeValidate event is triggered before validating the whole form.
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* The signature of the event handler should be:
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* function (event, messages, deferreds)
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* where
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* - event: an Event object.
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* - messages: an associative array with keys being attribute IDs and values being error message arrays
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* for the corresponding attributes.
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* - deferreds: an array of Deferred objects. You can use deferreds.add(callback) to add a new deferred validation.
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*
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* If the handler returns a boolean false, it will stop further form validation after this event. And as
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* a result, afterValidate event will not be triggered.
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*/
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beforeValidate: 'beforeValidate',
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/**
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* afterValidate event is triggered after validating the whole form.
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* The signature of the event handler should be:
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* function (event, messages)
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* where
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* - event: an Event object.
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* - messages: an associative array with keys being attribute IDs and values being error message arrays
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* for the corresponding attributes.
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*/
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afterValidate: 'afterValidate',
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/**
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* beforeValidateAttribute event is triggered before validating an attribute.
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* The signature of the event handler should be:
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* function (event, attribute, messages, deferreds)
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* where
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* - event: an Event object.
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* - attribute: the attribute to be validated. Please refer to attributeDefaults for the structure of this parameter.
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* - messages: an array to which you can add validation error messages for the specified attribute.
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* - deferreds: an array of Deferred objects. You can use deferreds.add(callback) to add a new deferred validation.
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*
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* If the handler returns a boolean false, it will stop further validation of the specified attribute.
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* And as a result, afterValidateAttribute event will not be triggered.
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*/
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beforeValidateAttribute: 'beforeValidateAttribute',
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/**
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* afterValidateAttribute event is triggered after validating the whole form and each attribute.
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* The signature of the event handler should be:
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* function (event, attribute, messages)
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* where
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* - event: an Event object.
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* - attribute: the attribute being validated. Please refer to attributeDefaults for the structure of this parameter.
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* - messages: an array to which you can add additional validation error messages for the specified attribute.
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*/
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afterValidateAttribute: 'afterValidateAttribute',
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/**
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* beforeSubmit event is triggered before submitting the form after all validations have passed.
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* The signature of the event handler should be:
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* function (event)
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* where event is an Event object.
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*
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* If the handler returns a boolean false, it will stop form submission.
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*/
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beforeSubmit: 'beforeSubmit',
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/**
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* ajaxBeforeSend event is triggered before sending an AJAX request for AJAX-based validation.
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* The signature of the event handler should be:
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* function (event, jqXHR, settings)
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* where
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* - event: an Event object.
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* - jqXHR: a jqXHR object
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* - settings: the settings for the AJAX request
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*/
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ajaxBeforeSend: 'ajaxBeforeSend',
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/**
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* ajaxComplete event is triggered after completing an AJAX request for AJAX-based validation.
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* The signature of the event handler should be:
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* function (event, jqXHR, textStatus)
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* where
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* - event: an Event object.
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* - jqXHR: a jqXHR object
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* - settings: the status of the request ("success", "notmodified", "error", "timeout", "abort", or "parsererror").
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*/
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ajaxComplete: 'ajaxComplete'
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};
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// NOTE: If you change any of these defaults, make sure you update yii\widgets\ActiveForm::getClientOptions() as well
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var defaults = {
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// whether to encode the error summary
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encodeErrorSummary: true,
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// the jQuery selector for the error summary
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errorSummary: '.error-summary',
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// whether to perform validation before submitting the form.
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validateOnSubmit: true,
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// the container CSS class representing the corresponding attribute has validation error
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errorCssClass: 'has-error',
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// the container CSS class representing the corresponding attribute passes validation
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successCssClass: 'has-success',
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// the container CSS class representing the corresponding attribute is being validated
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validatingCssClass: 'validating',
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// the GET parameter name indicating an AJAX-based validation
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ajaxParam: 'ajax',
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// the type of data that you're expecting back from the server
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ajaxDataType: 'json',
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// the URL for performing AJAX-based validation. If not set, it will use the the form's action
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validationUrl: undefined
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};
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// NOTE: If you change any of these defaults, make sure you update yii\widgets\ActiveField::getClientOptions() as well
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var attributeDefaults = {
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// a unique ID identifying an attribute (e.g. "loginform-username") in a form
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id: undefined,
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// attribute name or expression (e.g. "[0]content" for tabular input)
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name: undefined,
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// the jQuery selector of the container of the input field
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container: undefined,
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// the jQuery selector of the input field under the context of the container
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input: undefined,
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// the jQuery selector of the error tag under the context of the container
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error: '.help-block',
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// whether to encode the error
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encodeError: true,
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// whether to perform validation when a change is detected on the input
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validateOnChange: true,
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// whether to perform validation when the input loses focus
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validateOnBlur: true,
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// whether to perform validation when the user is typing.
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validateOnType: false,
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// number of milliseconds that the validation should be delayed when a user is typing in the input field.
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validationDelay: 500,
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// whether to enable AJAX-based validation.
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enableAjaxValidation: false,
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// function (attribute, value, messages), the client-side validation function.
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validate: undefined,
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// status of the input field, 0: empty, not entered before, 1: validated, 2: pending validation, 3: validating
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status: 0,
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// whether the validation is cancelled by beforeValidateAttribute event handler
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cancelled: false,
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// the value of the input
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value: undefined
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};
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var methods = {
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init: function (attributes, options) {
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return this.each(function () {
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var $form = $(this);
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if ($form.data('yiiActiveForm')) {
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return;
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}
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var settings = $.extend({}, defaults, options || {});
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if (settings.validationUrl === undefined) {
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settings.validationUrl = $form.prop('action');
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}
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$.each(attributes, function (i) {
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attributes[i] = $.extend({value: getValue($form, this)}, attributeDefaults, this);
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watchAttribute($form, attributes[i]);
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});
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$form.data('yiiActiveForm', {
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settings: settings,
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attributes: attributes,
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submitting: false,
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validated: false
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});
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/**
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* Clean up error status when the form is reset.
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* Note that $form.on('reset', ...) does work because the "reset" event does not bubble on IE.
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*/
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$form.bind('reset.yiiActiveForm', methods.resetForm);
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if (settings.validateOnSubmit) {
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$form.on('mouseup.yiiActiveForm keyup.yiiActiveForm', ':submit', function () {
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$form.data('yiiActiveForm').submitObject = $(this);
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});
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$form.on('submit.yiiActiveForm', methods.submitForm);
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}
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});
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},
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// add a new attribute to the form dynamically.
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// please refer to attributeDefaults for the structure of attribute
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add: function (attribute) {
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var $form = $(this);
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attribute = $.extend({value: getValue($form, attribute)}, attributeDefaults, attribute);
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$form.data('yiiActiveForm').attributes.push(attribute);
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watchAttribute($form, attribute);
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},
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// remove the attribute with the specified ID from the form
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remove: function (id) {
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var $form = $(this),
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attributes = $form.data('yiiActiveForm').attributes,
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index = -1,
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attribute = undefined;
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$.each(attributes, function (i) {
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if (attributes[i]['id'] == id) {
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index = i;
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attribute = attributes[i];
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return false;
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}
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});
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if (index >= 0) {
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attributes.splice(index, 1);
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unwatchAttribute($form, attribute);
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}
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return attribute;
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},
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// find an attribute config based on the specified attribute ID
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find: function (id) {
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var attributes = $(this).data('yiiActiveForm').attributes,
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result = undefined;
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$.each(attributes, function (i) {
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if (attributes[i]['id'] == id) {
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result = attributes[i];
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return false;
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}
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});
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return result;
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},
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destroy: function () {
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return this.each(function () {
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$(this).unbind('.yiiActiveForm');
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$(this).removeData('yiiActiveForm');
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});
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},
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data: function () {
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return this.data('yiiActiveForm');
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},
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validate: function () {
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var $form = $(this),
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data = $form.data('yiiActiveForm'),
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needAjaxValidation = false,
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messages = {},
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deferreds = deferredArray(),
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submitting = data.submitting;
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if (submitting) {
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var event = $.Event(events.beforeValidate);
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$form.trigger(event, [messages, deferreds]);
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if (event.result === false) {
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data.submitting = false;
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return;
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}
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}
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// client-side validation
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$.each(data.attributes, function () {
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this.cancelled = false;
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// perform validation only if the form is being submitted or if an attribute is pending validation
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if (data.submitting || this.status === 2 || this.status === 3) {
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var msg = messages[this.id];
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if (msg === undefined) {
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msg = [];
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messages[this.id] = msg;
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}
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var event = $.Event(events.beforeValidateAttribute);
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$form.trigger(event, [this, msg, deferreds]);
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if (event.result !== false) {
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if (this.validate) {
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this.validate(this, getValue($form, this), msg, deferreds);
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}
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if (this.enableAjaxValidation) {
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needAjaxValidation = true;
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}
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} else {
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this.cancelled = true;
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}
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}
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});
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// ajax validation
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$.when.apply(this, deferreds).always(function() {
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// Remove empty message arrays
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for (var i in messages) {
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if (0 === messages[i].length) {
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delete messages[i];
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}
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}
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if (needAjaxValidation) {
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var $button = data.submitObject,
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extData = '&' + data.settings.ajaxParam + '=' + $form.prop('id');
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if ($button && $button.length && $button.prop('name')) {
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extData += '&' + $button.prop('name') + '=' + $button.prop('value');
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}
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$.ajax({
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url: data.settings.validationUrl,
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type: $form.prop('method'),
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data: $form.serialize() + extData,
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dataType: data.settings.ajaxDataType,
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complete: function (jqXHR, textStatus) {
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$form.trigger(events.ajaxComplete, [jqXHR, textStatus]);
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},
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beforeSend: function (jqXHR, settings) {
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$form.trigger(events.ajaxBeforeSend, [jqXHR, settings]);
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},
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success: function (msgs) {
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if (msgs !== null && typeof msgs === 'object') {
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$.each(data.attributes, function () {
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if (!this.enableAjaxValidation || this.cancelled) {
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delete msgs[this.id];
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}
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});
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updateInputs($form, $.extend(messages, msgs), submitting);
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} else {
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updateInputs($form, messages, submitting);
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}
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},
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error: function () {
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data.submitting = false;
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}
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});
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} else if (data.submitting) {
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// delay callback so that the form can be submitted without problem
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setTimeout(function () {
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updateInputs($form, messages, submitting);
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}, 200);
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} else {
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updateInputs($form, messages, submitting);
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}
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});
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},
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submitForm: function () {
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var $form = $(this),
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data = $form.data('yiiActiveForm');
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if (data.validated) {
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data.submitting = false;
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var event = $.Event(events.beforeSubmit);
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$form.trigger(event);
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if (event.result === false) {
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data.validated = false;
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return false;
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}
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return true; // continue submitting the form since validation passes
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} else {
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if (data.settings.timer !== undefined) {
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clearTimeout(data.settings.timer);
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}
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data.submitting = true;
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methods.validate.call($form);
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return false;
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}
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},
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resetForm: function () {
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var $form = $(this);
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var data = $form.data('yiiActiveForm');
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// Because we bind directly to a form reset event instead of a reset button (that may not exist),
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// when this function is executed form input values have not been reset yet.
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// Therefore we do the actual reset work through setTimeout.
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|
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);
|
|
|
|
$container.removeClass(
|
|
|
|
data.settings.validatingCssClass + ' ' +
|
|
|
|
data.settings.errorCssClass + ' ' +
|
|
|
|
data.settings.successCssClass
|
|
|
|
);
|
|
|
|
$container.find(this.error).html('');
|
|
|
|
});
|
|
|
|
$form.find(data.settings.errorSummary).hide().find('ul').html('');
|
|
|
|
}, 1);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
var watchAttribute = function ($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, !attribute.status);
|
|
|
|
}
|
|
|
|
});
|
|
|
|
}
|
|
|
|
if (attribute.validateOnType) {
|
|
|
|
$input.on('keyup.yiiActiveForm', function () {
|
|
|
|
if (attribute.value !== getValue($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;
|
|
|
|
}
|
|
|
|
$.each(data.attributes, function () {
|
|
|
|
if (this.value !== getValue($form, this)) {
|
|
|
|
this.status = 2;
|
|
|
|
forceValidate = true;
|
|
|
|
}
|
|
|
|
});
|
|
|
|
if (!forceValidate) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (data.settings.timer !== undefined) {
|
|
|
|
clearTimeout(data.settings.timer);
|
|
|
|
}
|
|
|
|
data.settings.timer = 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);
|
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
|
|
* 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;
|
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
|
|
* 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 (submitting) {
|
|
|
|
var errorInputs = [];
|
|
|
|
$.each(data.attributes, function () {
|
|
|
|
if (!this.cancelled && updateInput($form, this, messages)) {
|
|
|
|
errorInputs.push(this.input);
|
|
|
|
}
|
|
|
|
});
|
|
|
|
|
|
|
|
$form.trigger(events.afterValidate, [messages]);
|
|
|
|
|
|
|
|
updateSummary($form, messages);
|
|
|
|
|
|
|
|
if (errorInputs.length) {
|
|
|
|
var top = $form.find(errorInputs.join(',')).first().offset().top;
|
|
|
|
var wtop = $(window).scrollTop();
|
|
|
|
if (top < wtop || top > wtop + $(window).height) {
|
|
|
|
$(window).scrollTop(top);
|
|
|
|
}
|
|
|
|
data.submitting = false;
|
|
|
|
} else {
|
|
|
|
data.validated = true;
|
|
|
|
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.click();
|
|
|
|
} else {
|
|
|
|
// no submit button in the form
|
|
|
|
$form.submit();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
$.each(data.attributes, function () {
|
|
|
|
if (!this.cancelled && (this.status === 2 || this.status === 3)) {
|
|
|
|
updateInput($form, this, messages);
|
|
|
|
}
|
|
|
|
});
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
|
|
* 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 = false;
|
|
|
|
|
|
|
|
if (!$.isArray(messages[attribute.id])) {
|
|
|
|
messages[attribute.id] = [];
|
|
|
|
}
|
|
|
|
$form.trigger(events.afterValidateAttribute, [attribute, messages[attribute.id]]);
|
|
|
|
|
|
|
|
attribute.status = 1;
|
|
|
|
if ($input.length) {
|
|
|
|
hasError = messages[attribute.id].length > 0;
|
|
|
|
var $container = $form.find(attribute.container);
|
|
|
|
var $error = $container.find(attribute.error);
|
|
|
|
if (hasError) {
|
|
|
|
if (attribute.encodeError) {
|
|
|
|
$error.text(messages[attribute.id][0]);
|
|
|
|
} else {
|
|
|
|
$error.html(messages[attribute.id][0]);
|
|
|
|
}
|
|
|
|
$container.removeClass(data.settings.validatingCssClass + ' ' + data.settings.successCssClass)
|
|
|
|
.addClass(data.settings.errorCssClass);
|
|
|
|
} else {
|
|
|
|
$error.empty();
|
|
|
|
$container.removeClass(data.settings.validatingCssClass + ' ' + data.settings.errorCssClass + ' ')
|
|
|
|
.addClass(data.settings.successCssClass);
|
|
|
|
}
|
|
|
|
attribute.value = getValue($form, attribute);
|
|
|
|
}
|
|
|
|
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.prop('type');
|
|
|
|
if (type === 'checkbox' || type === 'radio') {
|
|
|
|
var $realInput = $input.filter(':checked');
|
|
|
|
if (!$realInput.length) {
|
|
|
|
$realInput = $form.find('input[type=hidden][name="' + $input.prop('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;
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
})(window.jQuery);
|