Oh yeah ! Find by myself =).
<?php
namespace Drupal\monitoring\Plugin\Field\FieldType;
use Drupal\Component\Utility\Random;
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\Core\Field\FieldStorageDefinitionInterface;
use Drupal\Core\Field\Plugin\Field\FieldType\StringItemBase;
/**
* Defines the 'string_medium' field type.
*
* @FieldType(
* id = "string_medium",
* label = @Translation("Text (plain, medium)"),
* description = @Translation("A field containing a medium string value."),
* category = @Translation("Text"),
* default_widget = "string_textarea",
* default_formatter = "basic_string",
* )
*/
class StringMediumItem extends StringItemBase {
/**
* {@inheritdoc}
*/
public static function schema(FieldStorageDefinitionInterface $field_definition) {
return [
'columns' => [
'value' => [
'type' => 'text',
'size' => 'medium',
],
],
];
}
/**
* {@inheritdoc}
*/
public static function generateSampleValue(FieldDefinitionInterface $field_definition) {
$random = new Random();
$values['value'] = $random->paragraphs();
return $values;
}
}
I really love D8 !