modules/blocks404/blocks404.module

<?php
// $Id: blocks404.module,v 1.3 2009/01/06 06:39:55 johnalbin Exp $

define('BLOCKS404_PAGE', 'blocks404');

/**
 * Implements hook_init().
 */
function blocks404_init() {
  // If site_404 is not set, all menu-related items disappear on 404.
  $site_404 = variable_get('site_404', '');
  if ($site_404 == '') {
    variable_set('site_404', BLOCKS404_PAGE);
  }
  // drupal_not_found() sets $_GET['q'] to the site_404 variable, so make a copy.
  define('BLOCKS404_ORIGINAL_QUERY', $_GET['q']);
}

/**
 * Implements hook_menu().
 */
function blocks404_menu() {
  $items[BLOCKS404_PAGE] = array(
    'title'           => 'Page not found',
    'access callback' => TRUE,
    'page callback'   => 'blocks404_404_page',
    'type'            => MENU_CALLBACK,
  );
  return $items;
}

/**
 * Our custom menu callback that returns Drupal's standard 404 message.
 */
function blocks404_404_page() {
  return t('The requested page could not be found.');
}

/**
 * Renders the left and right regions and resets the body classes on 404 pages.
 */
function blocks404_preprocess_page(&$vars, $hook) {
  if (strpos(drupal_get_headers(), 'HTTP/1.1 404 Not Found') !== FALSE) {
    module_load_include('inc', 'blocks404', 'blocks404.active');
    _blocks404_preprocess_page($vars);
  }
}

/**
 * Implements hook_form_alter().
 */
function blocks404_form_system_error_reporting_settings_alter(&$form, $form_state) {
  // Since we don't care what site_404 is set to, let the user set it if they want.
  if ($form['site_404']['#default_value'] == BLOCKS404_PAGE) {
    $form['site_404']['#default_value'] = '';
  }
}

/**
 * Implements hook_form_alter().
 */
function blocks404_form_alter(&$form, $form_state, $form_id) {
  if ($_GET['q'] == BLOCKS404_PAGE) {
    module_load_include('inc', 'blocks404', 'blocks404.active');
    _blocks404_form_alter($form, $form_state, $form_id);
  }
}
1	<?php
2	// $Id: blocks404.module,v 1.3 2009/01/06 06:39:55 johnalbin Exp $
3
4	define('BLOCKS404_PAGE', 'blocks404');
5
6	/**
7	* Implements hook_init().
8	*/
9	function blocks404_init() {
10	// If site_404 is not set, all menu-related items disappear on 404.
11	$site_404 = variable_get('site_404', '');
12	if ($site_404 == '') {
13	variable_set('site_404', BLOCKS404_PAGE);
14	}
15	// drupal_not_found() sets $_GET['q'] to the site_404 variable, so make a copy.
16	define('BLOCKS404_ORIGINAL_QUERY', $_GET['q']);
17	}
18
19	/**
20	* Implements hook_menu().
21	*/
22	function blocks404_menu() {
23	$items[BLOCKS404_PAGE] = array(
24	'title' => 'Page not found',
25	'access callback' => TRUE,
26	'page callback' => 'blocks404_404_page',
27	'type' => MENU_CALLBACK,
28	);
29	return $items;
30	}
31
32	/**
33	* Our custom menu callback that returns Drupal's standard 404 message.
34	*/
35	function blocks404_404_page() {
36	return t('The requested page could not be found.');
37	}
38
39	/**
40	* Renders the left and right regions and resets the body classes on 404 pages.
41	*/
42	function blocks404_preprocess_page(&$vars, $hook) {
43	if (strpos(drupal_get_headers(), 'HTTP/1.1 404 Not Found') !== FALSE) {
44	module_load_include('inc', 'blocks404', 'blocks404.active');
45	_blocks404_preprocess_page($vars);
46	}
47	}
48
49	/**
50	* Implements hook_form_alter().
51	*/
52	function blocks404_form_system_error_reporting_settings_alter(&$form, $form_state) {
53	// Since we don't care what site_404 is set to, let the user set it if they want.
54	if ($form['site_404']['#default_value'] == BLOCKS404_PAGE) {
55	$form['site_404']['#default_value'] = '';
56	}
57	}
58
59	/**
60	* Implements hook_form_alter().
61	*/
62	function blocks404_form_alter(&$form, $form_state, $form_id) {
63	if ($_GET['q'] == BLOCKS404_PAGE) {
64	module_load_include('inc', 'blocks404', 'blocks404.active');
65	_blocks404_form_alter($form, $form_state, $form_id);
66	}
67	}