Implements hook_block_view().
Generate a block with a promotional link to Drupal.org and all system menu blocks.
function system_block_view($delta = '') {
$block = array();
switch ($delta) {
case 'main':
$block['subject'] = NULL;
$block['content'] = drupal_set_page_content();
return $block;
case 'powered-by':
$block['subject'] = NULL;
$block['content'] = theme('system_powered_by');
return $block;
case 'help':
$block['subject'] = NULL;
$block['content'] = menu_get_active_help();
return $block;
default:
// Strip off 'menu-' prefix from block delta.
$delta = substr($delta, 5);
// All system menu blocks.
$system_menus = menu_list_system_menus();
if (isset($system_menus[$delta])) {
$block['subject'] = t($system_menus[$delta]);
$block['content'] = menu_tree($delta);
return $block;
}
break;
}
}