function onlyone_add_page in Allow a content type only once (Only One) 7

Page callback: Displays add content links for configured content types.

Redirects to onlyone/add/[type] if only one content type is available.

See also

node_menu()

2 string references to 'onlyone_add_page'

onlyone_menu in ./onlyone.module

Implements hook_menu().

onlyone_menu_link_alter in ./onlyone.module

Implements hook_menu_link_alter().

File

./onlyone.pages.inc, line 15

Page callbacks for adding content.

Code

function onlyone_add_page() {

  // Only use node types the user has access to.
  $item = menu_get_item('node/add');
  $content = system_admin_menu_block($item);

  // Getting the configured content types.
  $onlyone_node_types = variable_get('onlyone_node_types');

  // Filtering only the configured content types.
  foreach ($content as $key => $element) {

    // Getting the content type name.
    $content_type = substr($element['href'], 9);

    // Removing not configured content types.
    if (!in_array($content_type, $onlyone_node_types)) {
      unset($content[$key]);
    }
  }

  // Bypass the node/add listing if only one content type is available.
  if (count($content) == 1) {
    $item = array_shift($content);
    drupal_goto($item['href']);
  }
  return theme('node_add_list', array(
    'content' => $content,
  ));
}