function EntityReference::valueForm

Overrides ManyToOne::valueForm

File

core/modules/views/src/Plugin/views/filter/EntityReference.php, line 406

Class

EntityReference

Filters a view by entity references.

Namespace

Code

protected function valueForm(&$form, FormStateInterface $form_state) {
  if (!isset($this->options['sub_handler'])) {
    return;
  }
  switch ($this->options['widget']) {
    case static::WIDGET_SELECT:
      $this->valueFormAddSelect($form, $form_state);
      break;

    case static::WIDGET_AUTOCOMPLETE:
      $this->valueFormAddAutocomplete($form, $form_state);
      break;

  }
  if (!empty($this->view->live_preview)) {
    $this->alternateWidgetsDefaultNormalize($form, $form_state);
  }
  // Show or hide the value field depending on the operator field.
  $is_exposed = $this->options['exposed'];
  $visible = [];
  if ($is_exposed) {
    $operator_field = $this->options['expose']['use_operator'] && $this->options['expose']['operator_id'] ? $this->options['expose']['operator_id'] : NULL;
  }
  else {
    $operator_field = 'options[operator]';
    $visible[] = [
      ':input[name="options[expose_button][checkbox][checkbox]"]' => [
        'checked' => TRUE,
      ],
      ':input[name="options[expose][use_operator]"]' => [
        'checked' => TRUE,
      ],
      ':input[name="options[expose][operator_id]"]' => [
        'empty' => FALSE,
      ],
    ];
  }
  if ($operator_field) {
    foreach ($this->operatorValues(1) as $operator) {
      $visible[] = [
        ':input[name="' . $operator_field . '"]' => [
          'value' => $operator,
        ],
      ];
    }
    $form['value']['#states'] = [
      'visible' => $visible,
    ];
  }
  if (!$is_exposed) {
    // Retain the helper option.
    $this->helper
      ->buildOptionsForm($form, $form_state);
    // Show help text if not exposed to end users.
    $form['value']['#description'] = $this->t('Leave blank for all. Otherwise, the first selected item will be the default instead of "Any".');
  }
}