protected function StringFilter::valueForm in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/views/src/Plugin/views/filter/StringFilter.php \Drupal\views\Plugin\views\filter\StringFilter::valueForm()

Provide a simple textfield for equality

Overrides FilterPluginBase::valueForm

File

core/modules/views/src/Plugin/views/filter/StringFilter.php, line 247

Class

StringFilter

Basic textfield filter to handle string filtering commands including equality, like, not like, etc.

Namespace

Drupal\views\Plugin\views\filter

Code

protected function valueForm(&$form, FormStateInterface $form_state) {

  // We have to make some choices when creating this as an exposed
  // filter form. For example, if the operator is locked and thus
  // not rendered, we can't render dependencies; instead we only
  // render the form items we need.
  $which = 'all';
  if (!empty($form['operator'])) {
    $source = ':input[name="options[operator]"]';
  }
  if ($exposed = $form_state
    ->get('exposed')) {
    $identifier = $this->options['expose']['identifier'];
    if (empty($this->options['expose']['use_operator']) || empty($this->options['expose']['operator_id'])) {

      // exposed and locked.
      $which = in_array($this->operator, $this
        ->operatorValues(1)) ? 'value' : 'none';
    }
    else {
      $source = ':input[name="' . $this->options['expose']['operator_id'] . '"]';
    }
  }
  if ($which == 'all' || $which == 'value') {
    $form['value'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Value'),
      '#size' => 30,
      '#default_value' => $this->value,
    ];
    if (!empty($this->options['expose']['placeholder'])) {
      $form['value']['#attributes']['placeholder'] = $this->options['expose']['placeholder'];
    }
    $user_input = $form_state
      ->getUserInput();
    if ($exposed && !isset($user_input[$identifier])) {
      $user_input[$identifier] = $this->value;
      $form_state
        ->setUserInput($user_input);
    }
    if ($which == 'all') {

      // Setup #states for all operators with one value.
      foreach ($this
        ->operatorValues(1) as $operator) {
        $form['value']['#states']['visible'][] = [
          $source => [
            'value' => $operator,
          ],
        ];
      }
    }
  }
  if (!isset($form['value'])) {

    // Ensure there is something in the 'value'.
    $form['value'] = [
      '#type' => 'value',
      '#value' => NULL,
    ];
  }
}