function taxonomy_menu_nodeapi in Taxonomy menu 5

Same name and namespace in other branches

1. 6 taxonomy_menu.module \taxonomy_menu_nodeapi()
2. 6.2 taxonomy_menu.module \taxonomy_menu_nodeapi()

Implementation of hook_nodeapi().

This hook enables the menu to be displayed in context during node views.

File

./taxonomy_menu.module, line 88

taxonomy_menu.module @author Jonathan Chaffer <jchaffer@structureinteractive.com> @author Bruno Massa <http://drupal.org/user/67164> It Generates menu links for all taxonomy terms

Code

function taxonomy_menu_nodeapi(&$node, $op, $a3, $a4) {
  static $vocabs = array();

  // skip checking for vocabs if display node context is disabled
  if (!variable_get('taxonomy_menu_display_context', TRUE)) {
    $vocabs = NULL;
  }

  // First check if the node has a relevant category.s
  if (empty($vocabs) and is_array($vocabs)) {

    // The node should have taxonomy terms
    if (!($terms = taxonomy_node_get_terms($node->nid))) {
      return;
    }

    // Check if at least one vocabulary is revelevant
    // for us, being a menu
    foreach ($terms as $term) {
      if (variable_get('taxonomy_menu_show_' . $term->vid, TAXONOMY_MENU_NONE)) {
        $vocabs[$term->vid][] = $term->tid;
      }
    }

    // If none of the terms are tracked by this module,
    // forget it
    if (empty($vocabs)) {
      $vocabs = FALSE;
      return;
    }
  }
  if ($op == 'view' and $a4 == TRUE and !empty($vocabs)) {
    require_once drupal_get_path('module', 'taxonomy_menu') . '/taxonomy_menu.inc';
    _taxonomy_menu_node_view($node, $vocabs);
  }
  elseif ($op == 'update' or $op == 'insert') {
    variable_set('menu_rebuild_needed', TRUE);
  }
}