FieldUpload.inc.php

<?php
namespace PKP\components\forms;
class FieldUpload extends Field {
   public $component = 'field-upload';
 
   public $options = [];
 
   public function __construct($name, $args = []) {
      parent::__construct($name, $args);
 
      $this->options['maxFilesize'] = \Application::getIntMaxFileMBs();
 
      $this->options = array_merge(
         [
            'dropzoneDictDefaultMessage' => __('form.dropzone.dictDefaultMessage'),
            'dropzoneDictFallbackMessage' => __('form.dropzone.dictFallbackMessage'),
            'dropzoneDictFallbackText' => __('form.dropzone.dictFallbackText'),
            'dropzoneDictFileTooBig' => __('form.dropzone.dictFileTooBig'),
            'dropzoneDictInvalidFileType' => __('form.dropzone.dictInvalidFileType'),
            'dropzoneDictResponseError' => __('form.dropzone.dictResponseError'),
            'dropzoneDictCancelUpload' => __('form.dropzone.dictCancelUpload'),
            'dropzoneDictUploadCanceled' => __('form.dropzone.dictUploadCanceled'),
            'dropzoneDictCancelUploadConfirmation' => __('form.dropzone.dictCancelUploadConfirmation'),
            'dropzoneDictRemoveFile' => __('form.dropzone.dictRemoveFile'),
            'dropzoneDictMaxFilesExceeded' => __('form.dropzone.dictMaxFilesExceeded'),
         ],
         $this->options
      );
   }
 
   public function validate() {
      if (empty($this->options['url'])) {
         return false;
      }
      return parent::validate();
   }
 
   public function getConfig() {
      $config = parent::getConfig();
      $config['options'] = $this->options;
      $config['uploadFileLabel'] = __('common.upload.addFile');
      $config['restoreLabel'] = __('common.upload.restore');
 
      return $config;
   }
}