function book_helper_form_alter in Book helper 6

Implementation of hook_form_alter().

File

./book_helper.module, line 176

Improves Drupal's core book module's functionality.

Code

function book_helper_form_alter(&$form, &$form_state, $form_id) {
  if ($form['#id'] == 'node-form') {
    $node =& $form['#node'];
    $type = $form['type']['#value'];
    if (isset($form['book']) && !book_type_is_allowed($type) && empty($node->book['bid'])) {

      // Hide book fieldset.
      $form['book']['#access'] = FALSE;
    }
    elseif (!isset($node->nid) && !isset($_GET['parent']) && in_array($type, variable_get('book_helper_create_new', array()))) {

      // Create new book for selected nodes that are not being added as child pages.
      $node->book['bid'] == 'new';
      $form['book']['bid']['#default_value'] = 'new';
    }
    if (isset($form['book'])) {

      // Define default book helper properties.
      if (!isset($node->book_helper)) {
        $node->book_helper = array(
          'link_title_custom' => $node->title,
          'link_title_sync' => TRUE,
        );
      }

      // Add inputs to allow user to customize the book link title separately from the node's title.
      drupal_add_js(drupal_get_path('module', 'book_helper') . '/book_helper.js');
      $form['book']['book_helper_link_title_custom'] = array(
        '#type' => 'textfield',
        '#title' => t('Book link title'),
        '#default_value' => $node->book_helper['link_title_custom'],
        '#maxlength' => 255,
      );
      $form['book']['book_helper_link_title_sync'] = array(
        '#type' => 'checkbox',
        '#title' => t("Syncronize this node's title with its book link title."),
        '#default_value' => $node->book_helper['link_title_sync'],
      );
    }
  }
}