/**
  * Handle the form fields.
  *
  * @param AssignmentFormBuilder $builder
  */
 public function handle(AssignmentFormBuilder $builder)
 {
     $builder->setFields(['label' => ['label' => 'streams::assignment.label.name', 'instructions' => 'streams::assignment.label.instructions', 'type' => 'anomaly.field_type.text'], 'placeholder' => ['label' => 'streams::assignment.placeholder.name', 'instructions' => 'streams::assignment.placeholder.instructions', 'type' => 'anomaly.field_type.text'], 'instructions' => ['label' => 'streams::assignment.instructions.name', 'instructions' => 'streams::assignment.instructions.instructions', 'type' => 'anomaly.field_type.textarea'], 'warning' => ['label' => 'streams::assignment.warning.name', 'instructions' => 'streams::assignment.warning.instructions', 'type' => 'anomaly.field_type.text'], 'required' => ['label' => 'streams::assignment.required.label', 'instructions' => 'streams::assignment.required.instructions', 'type' => 'anomaly.field_type.boolean'], 'unique' => ['label' => 'streams::assignment.unique.label', 'instructions' => 'streams::assignment.unique.instructions', 'type' => 'anomaly.field_type.boolean'], 'translatable' => ['label' => 'streams::assignment.translatable.label', 'instructions' => 'streams::assignment.translatable.instructions', 'type' => 'anomaly.field_type.boolean', 'warning' => function (AssignmentFormBuilder $builder) {
         $type = $builder->getFieldType();
         return $type->getColumnType() == null ? 'streams::assignment.translatable.warning' : null;
     }, 'disabled' => function (AssignmentFormBuilder $builder) {
         $stream = $builder->getStream();
         if ($stream && !$stream->isTranslatable()) {
             return true;
         }
         $type = $builder->getFieldType();
         return $type->getColumnType() == null;
     }]]);
 }