function heartbeat_plugins_heartbeat_theme_alter in Heartbeat 7

Implementation of hook_heartbeat_theme_alter().

In this phase we want to tell all plugins attached to a message they can perform any loading tasks or any other data that needs to be available to later display (E.g. buttons and content).

File

modules/heartbeat_plugins/heartbeat_plugins.module, line 377

Code

function heartbeat_plugins_heartbeat_theme_alter(&$messages, HeartbeatStream $stream) {

  // Evaluate each message to attach plugin content or buttons.
  foreach (array_keys($messages) as $key) {
    $pluginLoaders = array();
    if (isset($messages[$key]->template->attachments['buttons'])) {
      foreach ($messages[$key]->template->attachments['buttons']['enabled'] as $id => $enabled) {
        if ($enabled) {
          $pluginLoaders[$id] = $id;
        }
      }
    }
    if (isset($messages[$key]->template->attachments['content'])) {
      foreach ($messages[$key]->template->attachments['content']['enabled'] as $id => $enabled) {
        if ($enabled) {
          $pluginLoaders[$id] = $id;
        }
      }
    }

    // Alter the messages by attaching buttons.
    foreach ($pluginLoaders as $pluginId => $info) {
      $parts = explode(":", $pluginId);
      $pluginName = $parts[0];
      $name = isset($parts[1]) ? $parts[1] : NULL;

      // Prepare a PluginWrapper.
      $pluginWrapper = heartbeat_plugins_get_plugin($pluginName);
      if (!is_object($pluginWrapper)) {
        continue;
      }

      // Get a plugin to work with.
      $plugin = $pluginWrapper
        ->getPlugin();

      // TODO This needs a check if the plugin is enabled (in this context).
      if ($plugin instanceof HeartbeatBasePlugin) {
        $plugin
          ->setStream($stream);
      }

      // Load attachments.
      $plugin
        ->loadAttachments($messages[$key], $name);
    }
  }
}