function ImageItem::validateResolution

Element validate function for dimensions fields.

File

core/modules/image/src/Plugin/Field/FieldType/ImageItem.php, line 419

Class

ImageItem

Plugin implementation of the 'image' field type.

Namespace

Code

public static function validateResolution($element, FormStateInterface $form_state) {
    if (!empty($element['x']['#value']) || !empty($element['y']['#value'])) {
        foreach ([
            'x',
            'y',
        ] as $dimension) {
            if (!$element[$dimension]['#value']) {
                // We expect the field name placeholder value to be wrapped in $this->t()
                // here, so it won't be escaped again as it's already marked safe.
                $form_state->setError($element[$dimension], new TranslatableMarkup('Both a height and width value must be specified in the @name field.', [
                    '@name' => $element['#title'],
                ]));
                return;
            }
        }
        $form_state->setValueForElement($element, $element['x']['#value'] . 'x' . $element['y']['#value']);
    }
    else {
        $form_state->setValueForElement($element, '');
    }
}