<?php
// $Id: admin.theme.inc,v 1.1.2.2 2009-06-07 07:03:52 yhahn Exp $

/**
 * Initialize the admin "theme".
 */
function _admin_init_theme() {
  global $theme, $theme_key;
  if (empty($theme)) {
    _admin_theme_rebuild();

    $theme = $theme_key = 'admin';

    $path = drupal_get_path('module', 'admin') .'/theme';

    $theme_info = new StdClass();
    $theme_info->name = 'admin';
    $theme_info->filename = "{$path}/admin.theme.info";
    $theme_info->engine = 'phptemplate';
    $theme_info->owner = drupal_get_path('theme_engine', 'phptemplate') .'/phptemplate.engine';

    $theme_info->stylesheets = array();
    $theme_info->stylesheets['screen'][] = "{$path}/reset.css";
    $theme_info->stylesheets['screen'][] = "{$path}/style.css";

    $theme_info->scripts = array();
    $theme_info->scripts[] = "{$path}/theme.js";

    _init_theme($theme_info);
    return TRUE;
  }
}

/**
 * Generate the 1st level of navigation links under 'admin'.
 */
function admin_navigation_primary() {
  $tree = admin_get_menu_tree();
  return admin_menu_navigation_links($tree);
}

/**
 * Generate the 2nd level of navigation links under 'admin/*'.
 */
function admin_navigation_secondary() {
  $is_duplicated = theme('admin_block_content', NULL, TRUE);
  if (!$is_duplicated) {
    $tree = admin_get_menu_tree('page');
    foreach ($tree as $item) {
      if (admin_in_active_trail($item['link']['href']) && !empty($item['below'])) {
        return admin_menu_navigation_links($item['below']);
      }
    }
  }
  return NULL;
}