Adding specific pods to the admin bar menu

gistfile1.aw

add_filter('show_admin_bar', 'pods_admin_bar_displaying');

/**
 * Checks if the admin bar is being displayed for current user.
 * 
 * @global bool $podsAdminBarEnabled
 * @param bool $currentStatus
 * @return bool 
 */
function pods_admin_bar_displaying($currentStatus) {
    // If it is, we trigger the rest of the functionality from within here,
    // not a huge fan of doing it this way, however lack of a decisive way to tell
    // whether or not an admin bar is showing at the runtime of plugins.
    if ($currentStatus === true) {
       pods_admin_bar_check();
    }

    return $currentStatus;
}

/**
 * Checks to see if any pods are applicable to be added to the admin bar,
 * if so, it adds the action to add them before it's rendered.
 * 
 * @return bool Whether or not it came back with items to add.
 */
function pods_admin_bar_check() {
    global $adminBarPods;
    
    // This assumes there will be a column in the table indicating the pod is included on the admin bar
    $podsApi      = new PodsAPI();
    $adminBarPods = $podsApi->load_pods(array('options' => array('use_admin_bar' => 1)));

    if (!empty($adminBarPods)) {
        add_action('wp_before_admin_bar_render', 'pods_admin_bar_items');
        return true;
    } else {
        return false;
    }
}

/**
 * Loops through all pods that have 'use_admin_bar' enabled, and adds them to the "Add New"
 * menu on the admin bar front-end.
 *
 * @global obj $wp_admin_bar
 * @global array $adminBarPods
 */
function pods_admin_bar_items() {
    global $wp_admin_bar, $adminBarPods;

    foreach ($adminBarPods as $adminBarPod) {
        // Determine the label, defaults to the actual label, falls back on the name.
        $podTitle = ($adminBarPod['label']) ? $adminBarPod['label'] : $adminBarPod['name'];

        $wp_admin_bar->add_menu(array('parent' => 'new-content',
                                      'id'     => 'wp-admin-bar-new' . $adminBarPod['name'],
                                      'href'   => get_admin_url() . 'admin.php?page=pod-' . $adminBarPod['name'] . '&action=add',
                                      'title'  => $podTitle,
                                      'meta'   => array('title' => 'Add New ' . $podTitle)));
    }
}