AppearanceAdvancedForm.inc.php

<?php
namespace APP\components\forms\context;
use \PKP\components\forms\context\PKPAppearanceAdvancedForm;
use \PKP\components\forms\FieldText;
 
class AppearanceAdvancedForm extends PKPAppearanceAdvancedForm {
 
   public function __construct($action, $locales, $context, $baseUrl, $temporaryFileApiUrl, $imageUploadUrl) {
      parent::__construct($action, $locales, $context, $baseUrl, $temporaryFileApiUrl, $imageUploadUrl);
 
      $this->addField(new FieldText('coverThumbnailsMaxWidth', [
            'label' => __('manager.setup.coverThumbnailsMaxWidth'),
            'description' => __('manager.setup.coverThumbnailsMaxWidthHeight.description'),
            'value' => $context->getData('coverThumbnailsMaxWidth'),
         ]))
         ->addField(new FieldText('coverThumbnailsMaxHeight', [
            'label' => __('manager.setup.coverThumbnailsMaxHeight'),
            'description' => __('manager.setup.coverThumbnailsMaxWidthHeight.description'),
            'value' => $context->getData('coverThumbnailsMaxHeight'),
         ]));
   }
}