I would like to add additional metadata (e.g. copyright) to an image in tt_content (the standard IRRE field in TYPO3 8.7).
I intalled the "filemetadata" extension to get these additional fields. If I open a sys_file_reference, I have access to the fields. Now I want to show the copyright field to the tt_content IRRE "image" field, which is currently showing the standard fields"title,description,link".
I tried to override the TCA (myExtension/Configuration/TCA/Override/tt_content.php):
'image' => [
'label' => 'LLL:EXT:lang/Resources/Private/Language/locallang_general.xlf:LGL.images',
'config' => \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::getFileFieldTCAConfig('image', [
'appearance' => [
'createNewRelationLinkTitle' => 'LLL:EXT:frontend/Resources/Private/Language/locallang_ttc.xlf:images.addFileReference'
],
// custom configuration for displaying fields in the overlay/reference table
// to use the imageoverlayPalette instead of the basicoverlayPalette
'overrideChildTca' => [
'types' => [
'0' => [
'showitem' => 'copyright,
--palette--;LLL:EXT:lang/Resources/Private/Language/locallang_tca.xlf:sys_file_reference.imageoverlayPalette;imageoverlayPalette,
--palette--;;filePalette'
],
\TYPO3\CMS\Core\Resource\File::FILETYPE_TEXT => [
'showitem' => '
--palette--;LLL:EXT:lang/Resources/Private/Language/locallang_tca.xlf:sys_file_reference.imageoverlayPalette;imageoverlayPalette,
--palette--;;filePalette'
],
\TYPO3\CMS\Core\Resource\File::FILETYPE_IMAGE => [
'showitem' => '
--palette--;LLL:EXT:lang/Resources/Private/Language/locallang_tca.xlf:sys_file_reference.imageoverlayPalette;imageoverlayPalette,
copyright,--palette--;;filePalette'
],
\TYPO3\CMS\Core\Resource\File::FILETYPE_AUDIO => [
'showitem' => '
--palette--;LLL:EXT:lang/Resources/Private/Language/locallang_tca.xlf:sys_file_reference.audioOverlayPalette;audioOverlayPalette,
--palette--;;filePalette'
],
\TYPO3\CMS\Core\Resource\File::FILETYPE_VIDEO => [
'showitem' => '
--palette--;LLL:EXT:lang/Resources/Private/Language/locallang_tca.xlf:sys_file_reference.videoOverlayPalette;videoOverlayPalette,
--palette--;;filePalette'
],
\TYPO3\CMS\Core\Resource\File::FILETYPE_APPLICATION => [
'showitem' => '
--palette--;LLL:EXT:lang/Resources/Private/Language/locallang_tca.xlf:sys_file_reference.imageoverlayPalette;imageoverlayPalette,
--palette--;;filePalette'
]
],
],
], $GLOBALS['TYPO3_CONF_VARS']['GFX']['imagefile_ext'])
],
and like this in the localconf of myExtension:
$GLOBALS['TCA']['sys_file_reference']['types'] =[
'0' => array('showitem' => 'uid_local,uid_foreign,tablenames,fieldname,title,description,copyright'),
];
but the copyright field will not appear. Please help.