function MediaLibrarySelectForm::viewsFormValidate

File

core/modules/media_library/src/Plugin/views/field/MediaLibrarySelectForm.php, line 184

Class

MediaLibrarySelectForm

Defines a field that outputs a checkbox and form for selecting media.

Namespace

Code

public function viewsFormValidate(array &$form, FormStateInterface $form_state) {
    $selected = array_filter($form_state->getValue($this->options['id']));
    if (empty($selected)) {
        $form_state->setErrorByName('', $this->t('No items selected.'));
    }
}