function menu_position_page_delivery_callback_alter in Menu Position 7

Same name and namespace in other branches

1. 7.2 menu_position.module \menu_position_page_delivery_callback_alter()

Implements hook_page_delivery_callback_alter().

This is the only hook that occurs after the page callback, but before hook_page_build (when blocks are added). We're using this hook for its timing, not its data.

1 call to menu_position_page_delivery_callback_alter()

menu_position_panels_pre_render in ./menu_position.module

Implements hook_panels_pane_content_alter().

File

./menu_position.module, line 39

Provides dynamic menu links based on configurable rules.

Code

function menu_position_page_delivery_callback_alter() {

  // Don't evaluate the rules twice.
  $evaluated =& drupal_static(__FUNCTION__, FALSE);
  if ($evaluated) {
    return;
  }
  $evaluated = TRUE;

  // Build a small context.
  $context = array(
    'path' => $_GET['q'],
    'entity_type' => NULL,
    'bundle_name' => NULL,
  );

  // Determine what kind of entity page this is.
  list($arg0, $arg1, $arg2) = explode('/', $context['path'] . '//');
  if ($arg0 == 'node' && is_numeric($arg1)) {
    $context['node'] = node_load($arg1);

    // Don't evaluate the rules on a 404 page.
    if (!$context['node']) {
      return;
    }
    $context['entity_type'] = 'node';
    $context['bundle_name'] = $context['node']->type;
  }
  elseif ($arg0 == 'user' && is_numeric($arg1)) {
    $context['user'] = user_load($arg1);

    // Don't evaluate the rules on a 404 page.
    if (!$context['user']) {
      return;
    }
    $context['entity_type'] = 'user';
    $context['bundle_name'] = 'user';
  }
  elseif ($arg0 == 'taxonomy' && $arg1 == 'term' && is_numeric($arg2)) {
    $context['taxonomy_term'] = taxonomy_term_load($arg2);

    // Don't evaluate the rules on a 404 page.
    if (!$context['taxonomy_term']) {
      return;
    }
    $context['entity_type'] = 'taxonomy_term';
    $context['bundle_name'] = $context['taxonomy_term']->vocabulary_machine_name;
  }
  menu_position_evaluate_rules($context);
}