public function FilterPluginBase::buildExposedForm in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/views/src/Plugin/views/filter/FilterPluginBase.php \Drupal\views\Plugin\views\filter\FilterPluginBase::buildExposedForm()
2. 10 core/modules/views/src/Plugin/views/filter/FilterPluginBase.php \Drupal\views\Plugin\views\filter\FilterPluginBase::buildExposedForm()

Render our chunk of the exposed filter form when selecting

You can override this if it doesn't do what you expect.

Overrides HandlerBase::buildExposedForm

File

core/modules/views/src/Plugin/views/filter/FilterPluginBase.php, line 894

Class

FilterPluginBase

Base class for Views filters handler plugins.

Namespace

Drupal\views\Plugin\views\filter

Code

public function buildExposedForm(&$form, FormStateInterface $form_state) {
  if (empty($this->options['exposed'])) {
    return;
  }

  // Build the exposed form, when its based on an operator.
  if (!empty($this->options['expose']['use_operator']) && !empty($this->options['expose']['operator_id'])) {
    $operator = $this->options['expose']['operator_id'];
    $this
      ->operatorForm($form, $form_state);

    // Limit the exposed operators if needed.
    if (!empty($this->options['expose']['operator_limit_selection']) && !empty($this->options['expose']['operator_list'])) {
      $options = $this
        ->operatorOptions();
      $operator_list = $this->options['expose']['operator_list'];
      $form['operator']['#options'] = array_intersect_key($options, $operator_list);
    }
    $form[$operator] = $form['operator'];
    $this
      ->exposedTranslate($form[$operator], 'operator');
    unset($form['operator']);
  }

  // Build the form and set the value based on the identifier.
  if (!empty($this->options['expose']['identifier'])) {
    $value = $this->options['expose']['identifier'];
    $this
      ->valueForm($form, $form_state);
    $form[$value] = $form['value'];
    if (isset($form[$value]['#title']) && !empty($form[$value]['#type']) && $form[$value]['#type'] != 'checkbox') {
      unset($form[$value]['#title']);
    }
    $this
      ->exposedTranslate($form[$value], 'value');
    if ($value != 'value') {
      unset($form['value']);
    }
  }
}