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function signup_form_user_register_form_alter in Signup 7

Implements hook_form_FORM_ID_alter().

Related topics

Core drupal hooks

File

./signup.module, line 706
The Signup module (http://drupal.org/project/signup) manages replies to nodes. In particular, it's good for event management. Signup supports sending reminder emails and automatically closing signups for nodes with a start time, via the Event…

Code

function signup_form_user_register_form_alter(&$form, &$form_state) {

  // Get a list of nodes that should appear on the user registration form.
  $query = db_select('node', 'n');
  $alias = $query
    ->join('signup', 's', 'n.nid = s.nid');
  $query
    ->fields('n', array(
    'nid',
  ));
  $query
    ->condition("n.status", 1)
    ->condition("{$alias}.user_reg_form", 1)
    ->condition("{$alias}.status", 1);
  $query
    ->addTag('node_access');
  $nids = $query
    ->execute()
    ->fetchCol();

  // Allow other modules to alter the list of nids.
  drupal_alter('signup_user_reg_nids', $nids);

  // If there is at least one node, add the Signup fieldset.
  if (!empty($nids)) {
    $form['signup'] = array(
      '#type' => 'fieldset',
      '#title' => t('Event signup'),
      '#tree' => TRUE,
      '#description' => t('You will be automatically signed up once your account is created.'),
    );

    // Each node gets a checkbox.
    foreach ($nids as $nid) {
      $node = node_load($nid);
      $form['signup'][$nid] = array(
        '#type' => 'checkbox',
        '#title' => theme('signup_node_title', array(
          'node' => $node,
        )),
        '#default_value' => 0,
      );
    }
  }
}