function WizardPluginBase::buildSorts

Builds the form structure for selecting the view's sort order.

By default, this adds a "sorted by [date]" filter (when it is available).

File

core/modules/views/src/Plugin/views/wizard/WizardPluginBase.php, line 654

Class

WizardPluginBase

Base class for Views wizard plugins.

Namespace

Code

protected function buildSorts(&$form, FormStateInterface $form_state) {
  $sorts = [
    'none' => $this->t('Unsorted'),
  ];
  // Check if we are allowed to sort by creation date.
  $created_column = $this->getCreatedColumn();
  if ($created_column) {
    $sorts += [
      $created_column . ':DESC' => $this->t('Newest first'),
      $created_column . ':ASC' => $this->t('Oldest first'),
    ];
  }
  if ($available_sorts = $this->getAvailableSorts()) {
    $sorts += $available_sorts;
  }
  // If there is no sorts option available continue.
  if (!empty($sorts)) {
    $form['displays']['show']['sort'] = [
      '#type' => 'select',
      '#title' => $this->t('sorted by'),
      '#options' => $sorts,
      '#default_value' => isset($created_column) ? $created_column . ':DESC' : 'none',
    ];
  }
}