initializeResultArray();
$fieldName = $this->data['fieldName'];
$fieldConfig = $this->data['processedTca']['columns'][$fieldName];
$fieldType = $fieldConfig['config']['type'];
$l10nDisplay = $this->data['parameterArray']['fieldConf']['l10n_display'] ?? '';
$defaultLanguageRow = $this->data['defaultLanguageRow'] ?? null;
if (!is_array($defaultLanguageRow)
|| GeneralUtility::inList($l10nDisplay, 'hideDiff')
|| GeneralUtility::inList($l10nDisplay, 'defaultAsReadonly')
|| $fieldType === 'inline'
|| $fieldType === 'file'
|| $fieldType === 'flex'
|| (in_array($fieldType, ['select', 'category', 'group'], true) && isset($fieldConfig['config']['MM']))
) {
// Early return if there is no default language row or the display is disabled
return $result;
}
$table = $this->data['tableName'];
$html = [];
$defaultLanguageValue = BackendUtility::getProcessedValue(
$table,
$fieldName,
$defaultLanguageRow[$fieldName],
0,
true,
false,
$defaultLanguageRow['uid'],
true,
$defaultLanguageRow['pid'],
$defaultLanguageRow
) ?? '';
if ($defaultLanguageValue !== '') {
$iconIdentifier = ($this->data['systemLanguageRows'][0]['flagIconIdentifier'] ?? false) ?: 'flags-multiple';
$html[] = '';
$html[] = $this->iconFactory->getIcon($iconIdentifier, IconSize::SMALL)->render();
$html[] = $this->previewFieldValue($defaultLanguageValue);
$html[] = '
';
}
$additionalPreviewLanguages = $this->data['additionalLanguageRows'];
foreach ($additionalPreviewLanguages as $previewLanguage) {
$defaultLanguageValue = BackendUtility::getProcessedValue(
$table,
$fieldName,
$previewLanguage[$fieldName],
0,
true,
false,
0,
true,
0,
$previewLanguage
) ?? '';
if ($defaultLanguageValue !== '') {
$html[] = '';
$html[] = $this->iconFactory->getIcon($this->data['systemLanguageRows'][$previewLanguage['language_tag']]['flagIconIdentifier'], IconSize::SMALL)->render();
$html[] = $this->previewFieldValue($defaultLanguageValue);
$html[] = '
';
}
}
$result['html'] = implode(LF, $html);
return $result;
}
/**
* Rendering preview output of a field value which is not shown as a form field but just outputted.
*
* @param string $value The value to output
* @return string HTML formatted output
*/
protected function previewFieldValue($value)
{
return nl2br(htmlspecialchars((string)$value));
}
}