var Drupal = Drupal || { 'settings': {}, 'behaviors': {}, 'locale': {} };

// Allow other JavaScript libraries to use $.

jQuery.noConflict();

(function ($) {

/**

 * Override jQuery.fn.init to guard against XSS attacks.

 *

 * See http://bugs.jquery.com/ticket/9521

 */

var jquery_init = $.fn.init;

$.fn.init = function (selector, context, rootjQuery) {

  // If the string contains a "#" before a "<", treat it as invalid HTML.

  if (selector && typeof selector === 'string') {

    var hash_position = selector.indexOf('#');

    if (hash_position >= 0) {

      var bracket_position = selector.indexOf('<');

      if (bracket_position > hash_position) {

        throw 'Syntax error, unrecognized expression: ' + selector;

      }

    }

  }

  return jquery_init.call(this, selector, context, rootjQuery);

};

$.fn.init.prototype = jquery_init.prototype;

/**

 * Attach all registered behaviors to a page element.

 *

 * Behaviors are event-triggered actions that attach to page elements, enhancing

 * default non-JavaScript UIs. Behaviors are registered in the Drupal.behaviors

 * object using the method 'attach' and optionally also 'detach' as follows:

 * @code

 *    Drupal.behaviors.behaviorName = {

 *      attach: function (context, settings) {

 *        ...

 *      },

 *      detach: function (context, settings, trigger) {

 *        ...

 *      }

 *    };

 * @endcode

 *

 * Drupal.attachBehaviors is added below to the jQuery ready event and so

 * runs on initial page load. Developers implementing AHAH/Ajax in their

 * solutions should also call this function after new page content has been

 * loaded, feeding in an element to be processed, in order to attach all

 * behaviors to the new content.

 *

 * Behaviors should use

 * @code

 *   $(selector).once('behavior-name', function () {

 *     ...

 *   });

 * @endcode

 * to ensure the behavior is attached only once to a given element. (Doing so

 * enables the reprocessing of given elements, which may be needed on occasion

 * despite the ability to limit behavior attachment to a particular element.)

 *

 * @param context

 *   An element to attach behaviors to. If none is given, the document element

 *   is used.

 * @param settings

 *   An object containing settings for the current context. If none given, the

 *   global Drupal.settings object is used.

 */

Drupal.attachBehaviors = function (context, settings) {

  context = context || document;

  settings = settings || Drupal.settings;

  // Execute all of them.

  $.each(Drupal.behaviors, function () {

    if ($.isFunction(this.attach)) {

      this.attach(context, settings);

    }

  });

};

/**

 * Detach registered behaviors from a page element.

 *

 * Developers implementing AHAH/Ajax in their solutions should call this

 * function before page content is about to be removed, feeding in an element

 * to be processed, in order to allow special behaviors to detach from the

 * content.

 *

 * Such implementations should look for the class name that was added in their

 * corresponding Drupal.behaviors.behaviorName.attach implementation, i.e.

 * behaviorName-processed, to ensure the behavior is detached only from

 * previously processed elements.

 *

 * @param context

 *   An element to detach behaviors from. If none is given, the document element

 *   is used.

 * @param settings

 *   An object containing settings for the current context. If none given, the

 *   global Drupal.settings object is used.

 * @param trigger

 *   A string containing what's causing the behaviors to be detached. The

 *   possible triggers are:

 *   - unload: (default) The context element is being removed from the DOM.

 *   - move: The element is about to be moved within the DOM (for example,

 *     during a tabledrag row swap). After the move is completed,

 *     Drupal.attachBehaviors() is called, so that the behavior can undo

 *     whatever it did in response to the move. Many behaviors won't need to

 *     do anything simply in response to the element being moved, but because

 *     IFRAME elements reload their "src" when being moved within the DOM,

 *     behaviors bound to IFRAME elements (like WYSIWYG editors) may need to

 *     take some action.

 *   - serialize: When an Ajax form is submitted, this is called with the

 *     form as the context. This provides every behavior within the form an

 *     opportunity to ensure that the field elements have correct content

 *     in them before the form is serialized. The canonical use-case is so

 *     that WYSIWYG editors can update the hidden textarea to which they are

 *     bound.

 *

 * @see Drupal.attachBehaviors

 */

Drupal.detachBehaviors = function (context, settings, trigger) {

  context = context || document;

  settings = settings || Drupal.settings;

  trigger = trigger || 'unload';

  // Execute all of them.

  $.each(Drupal.behaviors, function () {

    if ($.isFunction(this.detach)) {

      this.detach(context, settings, trigger);

    }

  });

};

/**

 * Encode special characters in a plain-text string for display as HTML.

 *

 * @ingroup sanitization

 */

Drupal.checkPlain = function (str) {

  var character, regex,

  str = String(str);

  for (character in replace) {

    if (replace.hasOwnProperty(character)) {

      regex = new RegExp(character, 'g');

      str = str.replace(regex, replace[character]);

    }

  }

  return str;

};

/**

 * Replace placeholders with sanitized values in a string.

 *

 * @param str

 *   A string with placeholders.

 * @param args

 *   An object of replacements pairs to make. Incidences of any key in this

 *   array are replaced with the corresponding value. Based on the first

 *   character of the key, the value is escaped and/or themed:

 *    - !variable: inserted as is

 *    - @variable: escape plain text to HTML (Drupal.checkPlain)

 *    - %variable: escape text and theme as a placeholder for user-submitted

 *      content (checkPlain + Drupal.theme('placeholder'))

 *

 * @see Drupal.t()

 * @ingroup sanitization

 */

Drupal.formatString = function(str, args) {

  // Transform arguments before inserting them.

  for (var key in args) {

    if (args.hasOwnProperty(key)) {

      switch (key.charAt(0)) {

        // Escaped only.

        case '@':

          args[key] = Drupal.checkPlain(args[key]);

          break;

        // Pass-through.

        case '!':

          break;

        // Escaped and placeholder.

        default:

          args[key] = Drupal.theme('placeholder', args[key]);

          break;

      }

    }

  }

  return Drupal.stringReplace(str, args, null);

};

/**

 * Replace substring.

 *

 * The longest keys will be tried first. Once a substring has been replaced,

 * its new value will not be searched again.

 *

 * @param {String} str

 *   A string with placeholders.

 * @param {Object} args

 *   Key-value pairs.

 * @param {Array|null} keys

 *   Array of keys from the "args".  Internal use only.

 *

 * @return {String}

 *   Returns the replaced string.

 */

Drupal.stringReplace = function (str, args, keys) {

  if (str.length === 0) {

    return str;

  }

  // If the array of keys is not passed then collect the keys from the args.

  if (!$.isArray(keys)) {

    keys = [];

    for (var k in args) {

      if (args.hasOwnProperty(k)) {

        keys.push(k);

      }

    }

    // Order the keys by the character length. The shortest one is the first.

    keys.sort(function (a, b) { return a.length - b.length; });

  }

  if (keys.length === 0) {

    return str;

  }

  // Take next longest one from the end.

  var key = keys.pop();

  var fragments = str.split(key);

  if (keys.length) {

    for (var i = 0; i < fragments.length; i++) {

      // Process each fragment with a copy of remaining keys.

      fragments[i] = Drupal.stringReplace(fragments[i], args, keys.slice(0));

    }

  }

  return fragments.join(args[key]);

};

/**

 * Translate strings to the page language or a given language.

 *

 * See the documentation of the server-side t() function for further details.

 *

 * @param str

 *   A string containing the English string to translate.

 * @param args

 *   An object of replacements pairs to make after translation. Incidences

 *   of any key in this array are replaced with the corresponding value.

 *   See Drupal.formatString().

 *

 * @param options

 *   - 'context' (defaults to the empty context): The context the source string

 *     belongs to.

 *

 * @return

 *   The translated string.

 */

Drupal.t = function (str, args, options) {

  options = options || {};

  options.context = options.context || '';

  // Fetch the localized version of the string.

  if (Drupal.locale.strings && Drupal.locale.strings[options.context] && Drupal.locale.strings[options.context][str]) {

    str = Drupal.locale.strings[options.context][str];

  }

  if (args) {

    str = Drupal.formatString(str, args);

  }

  return str;

};

/**

 * Format a string containing a count of items.

 *

 * This function ensures that the string is pluralized correctly. Since Drupal.t() is

 * called by this function, make sure not to pass already-localized strings to it.

 *

 * See the documentation of the server-side format_plural() function for further details.

 *

 * @param count

 *   The item count to display.

 * @param singular

 *   The string for the singular case. Please make sure it is clear this is

 *   singular, to ease translation (e.g. use "1 new comment" instead of "1 new").

 *   Do not use @count in the singular string.

 * @param plural

 *   The string for the plural case. Please make sure it is clear this is plural,

 *   to ease translation. Use @count in place of the item count, as in "@count

 *   new comments".

 * @param args

 *   An object of replacements pairs to make after translation. Incidences

 *   of any key in this array are replaced with the corresponding value.

 *   See Drupal.formatString().

 *   Note that you do not need to include @count in this array.

 *   This replacement is done automatically for the plural case.

 * @param options

 *   The options to pass to the Drupal.t() function.

 * @return

 *   A translated string.

 */

Drupal.formatPlural = function (count, singular, plural, args, options) {

  args = args || {};

  args['@count'] = count;

  // Determine the index of the plural form.

  var index = Drupal.locale.pluralFormula ? Drupal.locale.pluralFormula(args['@count']) : ((args['@count'] == 1) ? 0 : 1);

  if (index == 0) {

    return Drupal.t(singular, args, options);

  }

  else if (index == 1) {

    return Drupal.t(plural, args, options);

  }

  else {

    args['@count[' + index + ']'] = args['@count'];

    delete args['@count'];

    return Drupal.t(plural.replace('@count', '@count[' + index + ']'), args, options);

  }

};

/**

 * Returns the passed in URL as an absolute URL.

 *

 * @param url

 *   The URL string to be normalized to an absolute URL.

 *

 * @return

 *   The normalized, absolute URL.

 *

 * @see https://github.com/angular/angular.js/blob/v1.4.4/src/ng/urlUtils.js

 * @see https://grack.com/blog/2009/11/17/absolutizing-url-in-javascript

 * @see https://github.com/jquery/jquery-ui/blob/1.11.4/ui/tabs.js#L53

 */

Drupal.absoluteUrl = function (url) {

  var urlParsingNode = document.createElement('a');

  // Decode the URL first; this is required by IE <= 6. Decoding non-UTF-8

  // strings may throw an exception.

  try {

    url = decodeURIComponent(url);

  } catch (e) {}

  urlParsingNode.setAttribute('href', url);

  // IE <= 7 normalizes the URL when assigned to the anchor node similar to

  // the other browsers.

  return urlParsingNode.cloneNode(false).href;

};

/**

 * Returns true if the URL is within Drupal's base path.

 *

 * @param url

 *   The URL string to be tested.

 *

 * @return

 *   Boolean true if local.

 *

 * @see https://github.com/jquery/jquery-ui/blob/1.11.4/ui/tabs.js#L58

 */

Drupal.urlIsLocal = function (url) {

  // Always use browser-derived absolute URLs in the comparison, to avoid

  // attempts to break out of the base path using directory traversal.

  var absoluteUrl = Drupal.absoluteUrl(url);

  var protocol = location.protocol;