function menu_node_prepare

Implements hook_node_prepare().

File

modules/menu/menu.module, line 589

Code

function menu_node_prepare($node) {
    if (empty($node->menu)) {
        // Prepare the node for the edit form so that $node->menu always exists.
        $menu_name = strtok(variable_get('menu_parent_' . $node->type, 'main-menu:0'), ':');
        $item = array();
        if (isset($node->nid)) {
            $mlid = FALSE;
            // Give priority to the default menu
            $type_menus = variable_get('menu_options_' . $node->type, array(
                'main-menu' => 'main-menu',
            ));
            if (in_array($menu_name, $type_menus)) {
                $mlid = db_query_range("SELECT mlid FROM {menu_links} WHERE link_path = :path AND menu_name = :menu_name AND module = 'menu' ORDER BY mlid ASC", 0, 1, array(
                    ':path' => 'node/' . $node->nid,
                    ':menu_name' => $menu_name,
                ))
                    ->fetchField();
            }
            // Check all allowed menus if a link does not exist in the default menu.
            if (!$mlid && !empty($type_menus)) {
                $mlid = db_query_range("SELECT mlid FROM {menu_links} WHERE link_path = :path AND module = 'menu' AND menu_name IN (:type_menus) ORDER BY mlid ASC", 0, 1, array(
                    ':path' => 'node/' . $node->nid,
                    ':type_menus' => array_values($type_menus),
                ))
                    ->fetchField();
            }
            if ($mlid) {
                $item = menu_link_load($mlid);
            }
        }
        // Set default values.
        $node->menu = $item + array(
            'link_title' => '',
            'mlid' => 0,
            'plid' => 0,
            'menu_name' => $menu_name,
            'weight' => 0,
            'options' => array(),
            'module' => 'menu',
            'expanded' => 0,
            'hidden' => 0,
            'has_children' => 0,
            'customized' => 0,
        );
    }
    // Find the depth limit for the parent select.
    if (!isset($node->menu['parent_depth_limit'])) {
        $node->menu['parent_depth_limit'] = _menu_parent_depth_limit($node->menu);
    }
}