function hs_book_form_alter in Hierarchical Select 5.3

Implementation of hook_form_alter().

File

modules/hs_book.module, line 34

Implementation of the Hierarchical Select API for the Book module.

Code

function hs_book_form_alter($form_id, &$form) {
  if ($form_id == 'book_node_form' && isset($form['parent'])) {
    unset($form['parent']['#options']);
    $form['parent']['#type'] = 'hierarchical_select';
    $form['parent']['#config'] = array(
      'module' => 'hs_book',
      'params' => array(
        'nid' => isset($form['nid']) ? $form['nid']['#value'] : NULL,
      ),
      'save_lineage' => 0,
      'enforce_deepest' => 0,
      'resizable' => variable_get('hs_book_resizable', 1),
    );
    $form['parent']['#default_value'] = !is_numeric($form['parent']['#default_value']) ? 0 : $form['parent']['#default_value'];
  }
}