yii.captcha.js
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/**
* Yii Captcha widget.
*
* This is the JavaScript widget used by the yii\captcha\Captcha 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.yiiCaptcha = 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.yiiCaptcha');
return false;
}
};
var defaults = {
refreshUrl: undefined,
hashKey: undefined
};
var methods = {
init: function (options) {
return this.each(function () {
var $e = $(this);
var settings = $.extend({}, defaults, options || {});
$e.data('yiiCaptcha', {
settings: settings
});
$e.on('click.yiiCaptcha', function () {
methods.refresh.apply($e);
return false;
});
});
},
refresh: function () {
var $e = this,
settings = this.data('yiiCaptcha').settings;
$.ajax({
url: $e.data('yiiCaptcha').settings.refreshUrl,
dataType: 'json',
cache: false,
success: function (data) {
$e.attr('src', data.url);
$('body').data(settings.hashKey, [data.hash1, data.hash2]);
}
});
},
destroy: function () {
return this.each(function () {
$(window).unbind('.yiiCaptcha');
$(this).removeData('yiiCaptcha');
});
},
data: function () {
return this.data('yiiCaptcha');
}
};
})(window.jQuery);