RelationForm.inc.php

<?php
namespace APP\components\forms\publication;
use \PKP\components\forms\FormComponent;
use \PKP\components\forms\FieldOptions;
use \PKP\components\forms\FieldText;
 
define('FORM_ID_RELATION', 'relation');
 
class RelationForm extends FormComponent {
   public $id = FORM_ID_RELATION;
 
   public $method = 'PUT';
 
   public function __construct($action, $locales, $publication) {
      $this->action = $action;
      $this->locales = $locales;
 
      // Relation options
      $relationOptions = \Services::get('publication')->getRelationOptions();
      $this->addField(new FieldOptions('relationStatus', [
               'label' => __('publication.relation.label'),
               'type' => 'radio',
               'value' => (int) $publication->getData('relationStatus'),
               'options' => $relationOptions,
            ]))
            ->addField(new FieldText('vorDoi', [
               'label' => __('publication.relation.vorDoi'),
               'value' => $publication->getData('vorDoi'),
               'size' => 'large',
               'showWhen' => ['relationStatus', PUBLICATION_RELATION_PUBLISHED],
            ]));
   }
}