Message action load, attaching messages

gistfile1.php

function sba_message_action_node_load($nodes, $types) {
  // If no message_action nodes are loaded no need to continue.
  if (!in_array('sba_message_action', $types)) {
    return;
  }

  // Add full messages to each node so we can utilize them later.
  foreach ($nodes as $nid => $node) {
    if ($node->type == 'sba_message_action') {
      $messages = entity_load('sba_message', $node->message_ids);
      $node->messages = $messages;
      // Probably do some other stuff here, like look at the messages and
      // determine if they're edtiable, etc.
    }
  }
}