public function ApprovalPollViewForm::validateVote in Advanced Poll 8

Validates the vote action.

Parameters

array $form:

\Drupal\Core\Form\FormStateInterface $form_state:

Overrides PollViewForm::validateVote

File

src/Form/ApprovalPollViewForm.php, line 164

Class

ApprovalPollViewForm

Class ApprovalPollViewForm

Namespace

Drupal\advpoll\Form

Code

public function validateVote(array &$form, FormStateInterface $form_state) {
  parent::validateVote($form, $form_state);

  // Check multiple.
  $maxChoices = $this
    ->getMaxChoices();
  if ($maxChoices) {

    // Check choices.
    $choices = array_filter($form_state
      ->getValue('choice'));

    // Check multiple write-in.
    $writeInOptions = [];
    if (isset($choices[self::writeInIndex])) {
      $writeInOptions = $this
        ->getWriteInOptions($form_state);

      // We don't need write-in checkbox because we use textfields.
      unset($choices[self::writeInIndex]);
    }
    if (count($choices) + count($writeInOptions) > $maxChoices) {
      $form_state
        ->setErrorByName('choice', $this
        ->t('Select up to @quantity @votes.', [
        '@quantity' => $maxChoices,
        '@votes' => $this
          ->formatPlural($maxChoices, 'vote', 'votes'),
      ]));
    }
  }
}