public function ViewsDependentFilter::buildExtraOptionsForm in Views Dependent Filters 8

Extra settings form: select the controller filter.

Selecting the controller filter here allows us to nicely show its value form in the regular options form.

Overrides HandlerBase::buildExtraOptionsForm

File

src/Plugin/views/filter/ViewsDependentFilter.php, line 216

Class

ViewsDependentFilter

Filters by given list of related content title options.

Namespace

Drupal\views_dependent_filter\Plugin\views\filter

Code

public function buildExtraOptionsForm(&$form, FormStateInterface $form_state) {
  $options = $this
    ->get_filter_options('controller');
  $form['controller_filter'] = array(
    '#type' => 'radios',
    '#title' => t('Controller filter'),
    '#options' => $options,
    '#default_value' => isset($this->options['controller_filter']) ? $this->options['controller_filter'] : '',
    '#description' => t('The exposed filter whose values will be used to control dependent filters. Only filters that are prior to this one in the order are allowed.'),
  );
}