/**
* Form API callback. Retrieves the value for the file_generic field element.
*
* This method is assigned as a #value_callback in formElement() method.
*
* @param array $element
* The element.
* @param array|bool $input
* An array of input values, or FALSE.
* @param FormStateInterface $form_state
* The form state.
*
* @return array|mixed|null
* An array values for the widget.
*/
public static function value($element, $input = FALSE, FormStateInterface $form_state)
{
if ($input) {
// Checkboxes lose their value when empty.
// If the display field is present make sure its unchecked value is saved.
if (empty($input['display'])) {
$input['display'] = $element['#display_field'] ? 0 : 1;
}
}
// We depend on the managed file element to handle uploads.
$return = EmbridgeAsset::valueCallback($element, $input, $form_state);
// Ensure that all the required properties are returned even if empty.
$return += array('fids' => array(), 'display' => 1, 'description' => '');
return $return;
}
/**
* Pre render hook for asset element.
*
* Disables the remove button after running the normal pre render function.
* There's a bug with the remove button post search, and users can just delete
* the image if they need to remove it from the editor.
*
* @param array $element
* The element.
*
* @return array
* Altered element.
*/
public static function preRenderAssetElement(array $element)
{
$element = EmbridgeAsset::preRenderEmbridgeAsset($element);
$element['remove_button']['#access'] = FALSE;
return $element;
}
