Club Drupal

/**

 * @file

 * AddThis javascript actions.

 */

(function ($) {

  Drupal.behaviors.addthis = {

    scriptLoaded: false,

    attach: function(context, settings) {

      // The addthis configuration is not loaded but the settings are passed

      // to do so.

      if (!this.isConfigLoaded() && this.isSettingsLoaded()) {

        // Initialize config.

        this.initConfig();

        // Load widget js.

        if (!this.scriptLoaded) {

          this.loadDomready();

        }

      }

      // The addthis configuration is not loaded but no setting are available

      // to load anything.

      else if(!this.isConfigLoaded() && !this.isSettingsLoaded()) {

        // Do nothing

      }

      // Trigger ready on ajax attach.

      if (context != window.document) {

        Drupal.behaviors.addthis.ajaxLoad(context, settings);

      }

    },

    // Returns if the settings defined by the addthis module are loaded.

    isSettingsLoaded: function () {

      if (typeof Drupal.settings.addthis == 'undefined') {

        return false;

      }

      return true;

    },

    // Returns if the configuration variables needed for widget.js are defined.

    isConfigLoaded: function() {

      if (typeof addthis_config == 'undefined' || typeof addthis_share == 'undefined') {

        return false;

      }

      return true;

    },

    initConfig: function () {

      addthis_config = Drupal.settings.addthis.addthis_config;

      addthis_share = Drupal.settings.addthis.addthis_share;

    },

    // Load the js library when the dom is ready.

    loadDomready: function() {

      // If settings asks for loading the script after the dom is loaded, then

      // load the script here.

      if (!this.scriptLoaded &&

          this.isConfigLoaded() &&

          Drupal.settings.addthis.domready) {

        $.getScript(Drupal.settings.addthis.widget_url, Drupal.behaviors.addthis.scriptReady);

      }

    },

    // Callback for loading the widget.js dynamically.

    scriptReady: function () {

      this.scriptLoaded = true;

    },

    // Called when a ajax request returned.

    ajaxLoad: function(context, settings) {

      if (typeof window.addthis != 'undefined' &&

          typeof window.addthis.toolbox == 'function')

      {

          window.addthis.toolbox('.addthis_toolbox');

      }

    }

  };

  // This load the config in time to run any addthis functionality.

  if (Drupal.behaviors.addthis.isConfigLoaded()) {

    addthis_config = Drupal.settings.addthis.addthis_config;

    addthis_share = Drupal.settings.addthis.addthis_share;

  }

  // Document ready in case we want to load AddThis into the dom after every

  // thing is loaded.

  //

  // Is executed once after the attach happened.

  $(document).ready(function() {

    Drupal.behaviors.addthis.loadDomready();

  });

}(jQuery));