public function WidgetForm::buildForm in Search API Sorts Widget 1.x

Form constructor.

Parameters

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

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Return value

array The form structure.

Overrides FormInterface::buildForm

File

src/Form/WidgetForm.php, line 62

Class

WidgetForm

Provides a Search API Sorts Widget form.

Namespace

Drupal\search_api_sorts_widget\Form

Code

public function buildForm(array $form, FormStateInterface $form_state, $content = NULL, $derivative_plugin_id = NULL) {
  if (!$content || !$derivative_plugin_id) {
    return $content;
  }
  $config_id = $this
    ->getEscapedConfigId($derivative_plugin_id);
  $settings = $this->searchApiSortsWidgetStorage
    ->load($config_id);
  if (empty($settings) || !$settings
    ->get('status')) {
    return $content;
  }
  $links = $content['links'];
  $new_items = [];
  $default = '';
  $sort_fields = array_column($links['#items'], '#sort_field');
  foreach ($settings
    ->get('sorts') as $name => $setting) {
    $key = array_search($name, $sort_fields);
    if (!empty($links['#items'][$key])) {
      $link = $links['#items'][$key];
      if (!empty($setting['label_asc'])) {
        $new_items[$name . '|asc'] = $setting['label_asc'];
      }
      if (!empty($setting['label_desc'])) {
        $new_items[$name . '|desc'] = $setting['label_desc'];
      }
      if ($link['#active']) {
        $default = $name . '|' . ($link['#order'] == 'asc' ? 'desc' : 'asc');
      }
    }
  }
  $form_state
    ->set('links', $links);
  $form['sort_by'] = array(
    '#type' => 'select',
    '#options' => $new_items,
    '#default_value' => $default,
  );
  if ($settings
    ->get('autosubmit')) {
    $form['sort_by']['#attributes']['onChange'] = 'this.form.submit();';
  }
  $form['actions'] = [
    '#type' => 'actions',
  ];
  $form['actions']['submit'] = [
    '#type' => 'submit',
    '#value' => $this
      ->t('Sort'),
  ];
  if ($settings
    ->get('autosubmit_hide')) {
    $form['actions']['submit']['#attributes']['style'] = [
      'display: none;',
    ];
  }
  return $form;
}