92906.patch

--- a/typo3/sysext/backend/Classes/Utility/BackendUtility.php
+++ b/typo3/sysext/backend/Classes/Utility/BackendUtility.php
@@ -2989,6 +2989,31 @@
     }

     /**
+     * Creates a link to create a record translation on demand and directly edit it
+     *
+     * @param string $table
+     * @param int $defaultLanguageRecordUid
+     * @param int $targetLanguageUid
+     * @param string|null $returnUrl
+     * @return string
+     */
+    public static function getLinkToCreateRecordTranslation(string $table, int $defaultLanguageRecordUid, int $targetLanguageUid, string $returnUrl = null): string
+    {
+        $redirectUrlParams = [
+            'justLocalized' => $table . ':' . $defaultLanguageRecordUid . ':' . $targetLanguageUid,
+        ];
+        if ($returnUrl !== null) {
+            $redirectUrlParams['returnUrl'] = $returnUrl;
+        }
+        $uriBuilder = GeneralUtility::makeInstance(UriBuilder::class);
+        $redirectUrl = $uriBuilder->buildUriFromRoute('record_edit');
+        return self::getLinkToDataHandlerAction(
+            '&cmd[' . $table . '][' . $defaultLanguageRecordUid . '][localize]=' . $targetLanguageUid,
+            $redirectUrl
+        );
+    }
+
+    /**
      * Returns a JavaScript string (for an onClick handler) which will load the EditDocumentController script that shows the form for editing of the record(s) you have send as params.
      * REMEMBER to always htmlspecialchar() content in href-properties to ampersands get converted to entities (XHTML requirement and XSS precaution)
      *

--- a/typo3/sysext/backend/Classes/Controller/EditDocumentController.php
+++ b/typo3/sysext/backend/Classes/Controller/EditDocumentController.php
@@ -2112,7 +2112,7 @@
                                     $redirectUrl
                                 );
                             } else {
-                                $addOption = false;
+                                $href = BackendUtility::getLinkToCreateRecordTranslation($table, $rowsByLang[0]['uid'], $lang['uid'], $this->retUrl);
                             }
                         } else {
                             $params = [

--- a/typo3/sysext/backend/Classes/Form/Container/InlineRecordContainer.php
+++ b/typo3/sysext/backend/Classes/Form/Container/InlineRecordContainer.php
@@ -22,6 +22,7 @@
 use TYPO3\CMS\Backend\Routing\UriBuilder;
 use TYPO3\CMS\Backend\Utility\BackendUtility;
 use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
+use TYPO3\CMS\Core\Database\Connection;
 use TYPO3\CMS\Core\Database\ConnectionPool;
 use TYPO3\CMS\Core\Imaging\Icon;
 use TYPO3\CMS\Core\Imaging\IconFactory;
@@ -533,34 +534,44 @@
                 }
                 $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
                     ->getQueryBuilderForTable('sys_file_metadata');
-                $recordInDatabase = $queryBuilder
-                    ->select('uid')
+                $result = $queryBuilder
+                    ->select('uid', 'sys_language_uid')
                     ->from('sys_file_metadata')
                     ->where(
                         $queryBuilder->expr()->eq(
                             'file',
                             $queryBuilder->createNamedParameter($uid, \PDO::PARAM_INT)
                         ),
-                        $queryBuilder->expr()->eq(
+                        $queryBuilder->expr()->in(
                             'sys_language_uid',
-                            $queryBuilder->createNamedParameter($sys_language_uid, \PDO::PARAM_INT)
+                            $queryBuilder->createNamedParameter([0, $sys_language_uid], Connection::PARAM_INT_ARRAY)
                         )
                     )
-                    ->setMaxResults(1)
-                    ->execute()
-                    ->fetch();
-                if (!empty($recordInDatabase)) {
+                    ->execute();
+                $recordsInDatabaseByLanguage = [];
+                while ($row = $result->fetch()) {
+                    $recordsInDatabaseByLanguage[$row['sys_language_uid']] = $row;
+                }
+                if (empty($recordsInDatabaseByLanguage[$sys_language_uid])) {
+                    // create translation on demand
+                    $url = BackendUtility::getLinkToCreateRecordTranslation(
+                        'sys_file_metadata',
+                        (int)$recordsInDatabaseByLanguage[0]['uid'],
+                        $sys_language_uid,
+                        $this->data['returnUrl']
+                    );
+                } else {
                     $uriBuilder = GeneralUtility::makeInstance(UriBuilder::class);
                     $url = (string)$uriBuilder->buildUriFromRoute('record_edit', [
-                        'edit[sys_file_metadata][' . (int)$recordInDatabase['uid'] . ']' => 'edit',
+                        'edit[sys_file_metadata][' . (int)$recordsInDatabaseByLanguage[$sys_language_uid]['uid'] . ']' => 'edit',
                         'returnUrl' => $this->data['returnUrl']
                     ]);
-                    $title = $languageService->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:cm.editMetadata');
-                    $cells['edit'] = '
-                        <a class="btn btn-default" href="' . htmlspecialchars($url) . '" title="' . htmlspecialchars($title) . '">
-                            ' . $this->iconFactory->getIcon('actions-open', Icon::SIZE_SMALL)->render() . '
-                        </a>';
-                }
+                }
+                $title = $languageService->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:cm.editMetadata');
+                $cells['edit'] = '
+                    <a class="btn btn-default" href="' . htmlspecialchars($url) . '" title="' . htmlspecialchars($title) . '">
+                        ' . $this->iconFactory->getIcon('actions-open', Icon::SIZE_SMALL)->render() . '
+                    </a>';
             }
             // "Delete" link:
             if ($enabledControls['delete'] && ($isPagesTable && $localCalcPerms & Permission::PAGE_DELETE