function FileUploadForm::getMediaType

Overrides AddFormBase::getMediaType

File

core/modules/media_library/src/Form/FileUploadForm.php, line 129

Class

FileUploadForm

Creates a form to create media entities from uploaded files.

Namespace

Code

protected function getMediaType(FormStateInterface $form_state) {
    if ($this->mediaType) {
        return $this->mediaType;
    }
    $media_type = parent::getMediaType($form_state);
    // The file upload form only supports media types which use a file field as
    // a source field.
    $field_definition = $media_type->getSource()
        ->getSourceFieldDefinition($media_type);
    if (!is_a($field_definition->getClass(), FileFieldItemList::class, TRUE)) {
        throw new \InvalidArgumentException('Can only add media types which use a file field as a source field.');
    }
    return $media_type;
}