Validates settings form for node_assign_owner_action().

See also

node_assign_owner_action_submit()

File

drupal-7.x/modules/node/node.module, line 4017

The core that allows content to be submitted to the site. Modules and scripts may programmatically submit nodes using the usual form API pattern.

Code

function node_assign_owner_action_validate($form, $form_state) {
  $exists = (bool) db_query_range('SELECT 1 FROM {users} WHERE name = :name', 0, 1, array(':name' => $form_state['values']['owner_name']))->fetchField();
  if (!$exists) {
    form_set_error('owner_name', t('Enter a valid username.'));
  }
}