function FileUploadForm::buildInputElement
Same name in other branches
- 9 core/modules/media_library/src/Form/FileUploadForm.php \Drupal\media_library\Form\FileUploadForm::buildInputElement()
- 8.9.x core/modules/media_library/src/Form/FileUploadForm.php \Drupal\media_library\Form\FileUploadForm::buildInputElement()
- 11.x core/modules/media_library/src/Form/FileUploadForm.php \Drupal\media_library\Form\FileUploadForm::buildInputElement()
Overrides AddFormBase::buildInputElement
File
-
core/
modules/ media_library/ src/ Form/ FileUploadForm.php, line 143
Class
- FileUploadForm
- Creates a form to create media entities from uploaded files.
Namespace
Drupal\media_library\FormCode
protected function buildInputElement(array $form, FormStateInterface $form_state) {
// Create a file item to get the upload validators.
$media_type = $this->getMediaType($form_state);
$item = $this->createFileItem($media_type);
/** @var \Drupal\media_library\MediaLibraryState $state */
$state = $this->getMediaLibraryState($form_state);
if (!$state->hasSlotsAvailable()) {
return $form;
}
$slots = $state->getAvailableSlots();
// Add a container to group the input elements for styling purposes.
$form['container'] = [
'#type' => 'container',
];
$process = (array) $this->elementInfo
->getInfoProperty('managed_file', '#process', []);
$form['container']['upload'] = [
'#type' => 'managed_file',
'#title' => $this->formatPlural($slots, 'Add file', 'Add files'),
// @todo Move validation in https://www.drupal.org/node/2988215
'#process' => array_merge([
'::validateUploadElement',
], $process, [
'::processUploadElement',
]),
'#upload_validators' => $item->getUploadValidators(),
// Set multiple to true only if available slots is not exactly one
// to ensure correct language (singular or plural) in UI
'#multiple' => $slots != 1 ? TRUE : FALSE,
// Do not limit the number uploaded. There is validation based on the
// number selected in the media library that prevents overages.
// @see Drupal\media_library\Form\AddFormBase::updateLibrary()
'#cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
'#remaining_slots' => $slots,
];
$file_upload_help = [
'#theme' => 'file_upload_help',
'#upload_validators' => $form['container']['upload']['#upload_validators'],
'#cardinality' => $slots,
];
// The file upload help needs to be rendered since the description does not
// accept render arrays. The FileWidget::formElement() method adds the file
// upload help in the same way, so any theming improvements made to file
// fields would also be applied to this upload field.
// @see \Drupal\file\Plugin\Field\FieldWidget\FileWidget::formElement()
$form['container']['upload']['#description'] = $this->renderer
->renderInIsolation($file_upload_help);
return $form;
}
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