public function SqlBase::validateOptionsForm in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/views/src/Plugin/views/pager/SqlBase.php \Drupal\views\Plugin\views\pager\SqlBase::validateOptionsForm()
2. 10 core/modules/views/src/Plugin/views/pager/SqlBase.php \Drupal\views\Plugin\views\pager\SqlBase::validateOptionsForm()

Provide the default form form for validating options

Overrides PagerPluginBase::validateOptionsForm

File

core/modules/views/src/Plugin/views/pager/SqlBase.php, line 234

Class

SqlBase

A common base class for sql based pager.

Namespace

Drupal\views\Plugin\views\pager

Code

public function validateOptionsForm(&$form, FormStateInterface $form_state) {

  // Only accept integer values.
  $error = FALSE;
  $exposed_options = $form_state
    ->getValue([
    'pager_options',
    'expose',
    'items_per_page_options',
  ]);
  if (strpos($exposed_options, '.') !== FALSE) {
    $error = TRUE;
  }
  $options = explode(',', $exposed_options);
  if (!$error && is_array($options)) {
    foreach ($options as $option) {
      if (!is_numeric($option) || intval($option) == 0) {
        $error = TRUE;
      }
    }
  }
  else {
    $error = TRUE;
  }
  if ($error) {
    $form_state
      ->setErrorByName('pager_options][expose][items_per_page_options', $this
      ->t('Insert a list of integer numeric values separated by commas: e.g: 10, 20, 50, 100'));
  }

  // Make sure that the items_per_page is part of the expose settings.
  if (!$form_state
    ->isValueEmpty([
    'pager_options',
    'expose',
    'items_per_page',
  ]) && !$form_state
    ->isValueEmpty([
    'pager_options',
    'items_per_page',
  ])) {
    $items_per_page = $form_state
      ->getValue([
      'pager_options',
      'items_per_page',
    ]);
    if (array_search($items_per_page, $options) === FALSE) {
      $form_state
        ->setErrorByName('pager_options][expose][items_per_page_options', $this
        ->t("The <em>Exposed items per page</em> field's options must include the value from the <em>Items per page</em> field (@items_per_page).", [
        '@items_per_page' => $items_per_page,
      ]));
    }
  }
}