function LinkWidget::validateTitleElement

Form element validation handler for the 'title' element.

Conditionally requires the link title if a URL value was filled in.

File

core/modules/link/src/Plugin/Field/FieldWidget/LinkWidget.php, line 160

Class

LinkWidget

Plugin implementation of the 'link' widget.

Namespace

Code

public static function validateTitleElement(&$element, FormStateInterface $form_state, $form) {
    if ($element['uri']['#value'] !== '' && $element['title']['#value'] === '') {
        // We expect the field name placeholder value to be wrapped in t() here,
        // so it won't be escaped again as it's already marked safe.
        $form_state->setError($element['title'], t('@title field is required if there is @uri input.', [
            '@title' => $element['title']['#title'],
            '@uri' => $element['uri']['#title'],
        ]));
    }
}