public function Field($properties = array())
{
// Calculated config as per jquery.fileupload-ui.js
$allowedMaxFileNumber = $this->getAllowedMaxFileNumber();
$config = array('url' => $this->Link('upload'), 'urlSelectDialog' => $this->Link('select'), 'urlAttach' => $this->Link('attach'), 'urlFileExists' => $this->Link('fileexists'), 'acceptFileTypes' => '.+$', 'maxNumberOfFiles' => $allowedMaxFileNumber ? $allowedMaxFileNumber - count($this->getItemIDs()) : null, 'replaceFile' => $this->getUpload()->getReplaceFile());
// Validation: File extensions
if ($allowedExtensions = $this->getAllowedExtensions()) {
$config['acceptFileTypes'] = '(\\.|\\/)(' . implode('|', $allowedExtensions) . ')$';
$config['errorMessages']['acceptFileTypes'] = _t('File.INVALIDEXTENSIONSHORT', 'Extension is not allowed');
}
// Validation: File size
if ($allowedMaxFileSize = $this->getValidator()->getAllowedMaxFileSize()) {
$config['maxFileSize'] = $allowedMaxFileSize;
$config['errorMessages']['maxFileSize'] = _t('File.TOOLARGESHORT', 'File size exceeds {size}', array('size' => File::format_size($config['maxFileSize'])));
}
// Validation: Number of files
if ($allowedMaxFileNumber) {
if ($allowedMaxFileNumber > 1) {
$config['errorMessages']['maxNumberOfFiles'] = _t('UploadField.MAXNUMBEROFFILESSHORT', 'Can only upload {count} files', array('count' => $allowedMaxFileNumber));
} else {
$config['errorMessages']['maxNumberOfFiles'] = _t('UploadField.MAXNUMBEROFFILESONE', 'Can only upload one file');
}
}
// add overwrite warning error message to the config object sent to Javascript
if ($this->getOverwriteWarning()) {
$config['errorMessages']['overwriteWarning'] = _t('UploadField.OVERWRITEWARNING', 'File with the same name already exists');
}
$mergedConfig = array_merge($config, $this->ufConfig);
return parent::Field(array('configString' => Convert::raw2json($mergedConfig), 'config' => new ArrayData($mergedConfig), 'multiple' => $allowedMaxFileNumber !== 1));
}
