/**
 * @file ajaxView.js
 *
 * Handles AJAX fetching of views, including filter submission and response.
 */
(function ($) {

/**
 * Attaches the AJAX behavior to Views exposed filter forms and key View links.
 */
Drupal.behaviors.ViewsAjaxView = {};
Drupal.behaviors.ViewsAjaxView.attach = function() {
  if (Drupal.settings && Drupal.settings.views && Drupal.settings.views.ajaxViews) {
    $.each(Drupal.settings.views.ajaxViews, function(i, settings) {
      // @todo: Figure out where to store the object.
      new Drupal.views.ajaxView(settings);
    });
  }
};

Drupal.views = {};

/**
 * Javascript object for a certain view.
 */
Drupal.views.ajaxView = function(settings) {
  var selector = '.view-dom-id-' + settings.view_dom_id;
  this.$view = $(selector);

  // Retrieve the path to use for views' ajax.
  var ajax_path = Drupal.settings.views.ajax_path;

  // If there are multiple views this might've ended up showing up multiple times.
  if (ajax_path.constructor.toString().indexOf("Array") != -1) {
    ajax_path = ajax_path[0];
  }

  this.element_settings = {
    url: ajax_path,
    submit: settings,
    setClick: true,
    event: 'click',
    selector: selector,
    progress: { type: 'throbber' }
  };

  this.settings = settings;

  // Add the ajax to exposed forms.
  this.$exposed_form = $('form#views-exposed-form-'+ settings.view_name.replace(/_/g, '-') + '-' + settings.view_display_id.replace(/_/g, '-'));
  this.$exposed_form.once(jQuery.proxy(this.attachExposedFormAjax, this));

  // Add the ajax to pagers.
  this.$view
    // Don't attach to nested views. Doing so would attach multiple behaviors
    // to a given element.
    .filter(jQuery.proxy(this.filterNestedViews, this))
    .once(jQuery.proxy(this.attachPagerAjax, this));
};

Drupal.views.ajaxView.prototype.attachExposedFormAjax = function() {
  var button = $('input[type=submit], input[type=image]', this.$exposed_form);
  button = button[0];

  this.exposedFormAjax = new Drupal.ajax($(button).attr('id'), button, this.element_settings);
};

Drupal.views.ajaxView.prototype.filterNestedViews= function() {
  // If there is at least one parent with a view class, this view
  // is nested (e.g., an attachment). Bail.
  return !this.$view.parents('.view').size();
};

/**
 * Attach the ajax behavior to each link.
 */
Drupal.views.ajaxView.prototype.attachPagerAjax = function() {
  this.$view.find('ul.pager > li > a, th.views-field a, .attachment .views-summary a')
  .each(jQuery.proxy(this.attachPagerLinkAjax, this));
};

/**
 * Attach the ajax behavior to a singe link.
 */
Drupal.views.ajaxView.prototype.attachPagerLinkAjax = function(id, link) {
  var $link = $(link);
  var viewData = {};
  var href = $link.attr('href');
  // Construct an object using the settings defaults and then overriding
  // with data specific to the link.
  $.extend(
    viewData,
    this.settings,
    Drupal.Views.parseQueryString(href),
    // Extract argument data from the URL.
    Drupal.Views.parseViewArgs(href, this.settings.view_base_path)
  );

  // For anchor tags, these will go to the target of the anchor rather
  // than the usual location.
  $.extend(viewData, Drupal.Views.parseViewArgs(href, this.settings.view_base_path));

  this.element_settings.submit = viewData;
  this.pagerAjax = new Drupal.ajax(false, $link, this.element_settings);
};

})(jQuery);
;
(function ($) {

  Drupal.behaviors.captcha = {
    attach: function (context) {

      // Turn off autocompletion for the CAPTCHA response field.
      // We do it here with Javascript (instead of directly in the markup)
      // because this autocomplete attribute is not standard and
      // it would break (X)HTML compliance.
      $("#edit-captcha-response").attr("autocomplete", "off");

    }
  };

  Drupal.behaviors.captchaAdmin = {
    attach: function (context) {
    	// Add onclick handler to checkbox for adding a CAPTCHA description
    	// so that the textfields for the CAPTCHA description are hidden
    	// when no description should be added.
      // @todo: div.form-item-captcha-description depends on theming, maybe
      // it's better to add our own wrapper with id (instead of a class).
    	$("#edit-captcha-add-captcha-description").click(function() {
    		if ($("#edit-captcha-add-captcha-description").is(":checked")) {
    			// Show the CAPTCHA description textfield(s).
    			$("div.form-item-captcha-description").show('slow');
    		}
    		else {
    			// Hide the CAPTCHA description textfield(s).
    			$("div.form-item-captcha-description").hide('slow');
    		}
    	});
    	// Hide the CAPTCHA description textfields if option is disabled on page load.
    	if (!$("#edit-captcha-add-captcha-description").is(":checked")) {
    		$("div.form-item-captcha-description").hide();
    	}
    }

  };

})(jQuery);
;