function field_group_field_overview_validate

Validate handler for the overview screens.

Parameters

array $form: An associative array containing the structure of the form.

array $form_state: The state of the form.

File

core/modules/field_group/field_group.field_ui.inc, line 702

Field_group.field_ui.inc is a file that contains most functions needed on the Fields UI Manage forms (display and fields).

Code

function field_group_field_overview_validate(array $form, array &$form_state) {
  $form_values = $form_state['values']['fields'];
  $entity_type = $form['#entity_type'];
  $bundle = $form['#bundle'];
  $mode = (isset($form['#view_mode']) ? $form['#view_mode'] : 'form');

  $group = $form_values['_add_new_group'];

  // Validate if any information was provided in the 'add new group' row.
  if (array_filter(array($group['label'], $group['group_name']))) {

    // Missing group name.
    if (!$group['group_name']) {
      form_set_error('fields][_add_new_group][group_name', t('Add new group: you need to provide a group name.'));
    }
    // Group name validation.
    else {
      $group_name = $group['group_name'];

      // Add the 'group_' prefix.
      if (backdrop_substr($group_name, 0, 6) != 'group_') {
        $group_name = 'group_' . $group_name;
        form_set_value($form['fields']['_add_new_group']['group_name'], $group_name, $form_state);
      }

      // Invalid group name.
      if (!preg_match('!^group_[a-z0-9_]+$!', $group_name)) {
        form_set_error('fields][_add_new_group][group_name', t('Add new group: the group name %group_name is invalid. The name must include only lowercase unaccentuated letters, numbers, and underscores.', array('%group_name' => $group_name)));
      }
      if (backdrop_strlen($group_name) > 32) {
        form_set_error('fields][_add_new_group][group_name', t("Add new group: the group name %group_name is too long. The name is limited to 32 characters, including the 'group_' prefix.", array('%group_name' => $group_name)));
      }

      // Group name already exists.
      if (field_group_exists($group_name, $entity_type, $bundle, $mode)) {
        form_set_error('fields][_add_new_group][group_name', t('Add new group: the group name %group_name already exists.', array('%group_name' => $group_name)));
      }
    }
  }
}