[BUGFIX] Hide DeepL controls for not supported languages

Classes/Hooks/AllowLanguageSynchronizationHook.php

@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types=1);
+declare(strict_types = 1);
 
 namespace WebVision\WvDeepltranslate\Hooks;
 

Classes/Override/DatabaseRecordList.php

@@ -52,6 +52,7 @@ public function makeLocalizationPanel($table, $row, array $translations): string
                     && !$this->isRecordDeletePlaceholder($row)
                     && !isset($translations[$lUid_OnPage])
                     && $this->getBackendUserAuthentication()->checkLanguageAccess($lUid_OnPage)
+                    && DeeplBackendUtility::checkCanBeTranslated($pageId, $lUid_OnPage)
                 ) {
                     $out .= DeeplBackendUtility::buildTranslateButton(
                         $table,

Classes/Override/DeeplRecordListController.php

@@ -30,29 +30,20 @@ protected function languageSelector($requestUri): string
             $this->id,
             $requestUri
         );
+
         if ($options == '') {
-            return '';
+            return $originalOutput;
         }
 
-        $deeplSelectLabel = LocalizationUtility::translate(
-            'backend.label',
-            'wv_deepltranslate'
-        );
-
         return str_replace(
             '<div class="col-auto">',
             '<div class="col-auto row"><div class="col-sm-6">',
             $originalOutput
         )
             . '<div class="col-sm-6">'
-                . '<div class="row">'
-                    . '<label class="col-sm-4" style="font-weight: bold;">' . $deeplSelectLabel . ':</label>'
-                    . '<div class="col-sm-8">'
-                        . '<select class="form-select" name="createNewLanguage" data-global-event="change" data-action-navigate="$value">'
-                            . $options
-                        . '</select>'
-                    . '</div>'
-                . '</div>'
+            . '<select class="form-select" name="createNewLanguage" data-global-event="change" data-action-navigate="$value">'
+            . $options
+            . '</select>'
             . '</div>'
             . '</div>';
     }

Classes/Override/v10/DatabaseRecordList.php

@@ -58,6 +58,10 @@ public function makeLocalizationPanel($table, $row): array
                         && $this->isEditable($table)
                         && !isset($translations['translations'][$lUid_OnPage])
                         && $this->getBackendUserAuthentication()->checkLanguageAccess($lUid_OnPage)
+                        && DeeplBackendUtility::checkCanBeTranslated(
+                            ($table === 'pages') ? $row['uid'] : $row['pid'],
+                            $lUid_OnPage
+                        )
                     ) {
                         $language = BackendUtility::getRecord('sys_language', $lUid_OnPage, 'title');
                         $lNew .= DeeplBackendUtility::buildTranslateButton(

Classes/Override/v10/DeeplPageLayoutView.php

@@ -30,20 +30,14 @@ public function languageSelector($id)
             $this->id,
             GeneralUtility::getIndpEnv('REQUEST_URI')
         );
+
         if ($options == '') {
-            return '';
+            return $originalOutput;
         }
 
         $originalOutput = str_ireplace('</div></div>', '</div>', $originalOutput);
         return $originalOutput
             . '<div class="form-group">'
-            . sprintf(
-                '<label>%s</label>',
-                LocalizationUtility::translate(
-                    'backend.label',
-                    'wv_deepltranslate'
-                )
-            )
             . '<select class="form-control input-sm" onchange="window.location.href=this.options[this.selectedIndex].value">'
             . $options
             . '</select></div></div>';

Classes/Override/v10/DeeplRecordListController.php

@@ -35,18 +35,11 @@ protected function languageSelector($id): string
         );
 
         if ($options == '') {
-            return '';
+            return $originalOutput;
         }
 
         return str_ireplace('</div></div>', '</div>', $originalOutput)
             . '<div class="form-group">'
-                . sprintf(
-                    '<label>%s</label>',
-                    LocalizationUtility::translate(
-                        'backend.label',
-                        'wv_deepltranslate'
-                    )
-                )
                 . '<select class="form-control input-sm" name="createNewLanguage" onchange="window.location.href=this.options[this.selectedIndex].value">'
                     . $options
                 . '</select>'

Classes/Utility/DeeplBackendUtility.php

@@ -17,6 +17,9 @@
 use TYPO3\CMS\Core\Imaging\IconRegistry;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Extbase\Utility\LocalizationUtility;
+use WebVision\WvDeepltranslate\Exception\LanguageIsoCodeNotFoundException;
+use WebVision\WvDeepltranslate\Exception\LanguageRecordNotFoundException;
+use WebVision\WvDeepltranslate\Service\LanguageService;
 
 class DeeplBackendUtility
 {
@@ -187,7 +190,7 @@ private static function getIcon(string $iconFlag): Icon
         $deeplIcon = GeneralUtility::makeInstance(
             IconFactory::class
         )->getIcon(
-            'actions-localize-deepl',
+            'deepl-grey-logo',
             Icon::SIZE_OVERLAY
         );
         GeneralUtility::makeInstance(IconRegistry::class)
@@ -248,11 +251,13 @@ public static function buildTranslateDropdown(
         }
         // If any languages are left, make selector:
         if (!empty($availableTranslations)) {
-            $output = sprintf(
-                '<option value="">%s</option>',
-                htmlspecialchars(LocalizationUtility::translate('LLL:EXT:backend/Resources/Private/Language/locallang_layout.xlf:new_language'))
-            );
+            $output = '';
             foreach ($availableTranslations as $languageUid => $languageTitle) {
+                // check if language can be translated with DeepL
+                // otherwise continue to next
+                if (!DeeplBackendUtility::checkCanBeTranslated($id, $languageUid)) {
+                    continue;
+                }
                 // Build localize command URL to DataHandler (tce_db)
                 // which redirects to FormEngine (record_edit)
                 // which, when finished editing should return back to the current page (returnUrl)
@@ -268,12 +273,39 @@ public static function buildTranslateDropdown(
                 $targetUrl = self::buildBackendRoute('tce_db', $params);
                 $output .= '<option value="' . htmlspecialchars($targetUrl) . '">' . htmlspecialchars($languageTitle) . '</option>';
             }
+            if ($output !== '') {
+                $output = sprintf(
+                    '<option value="">%s</option>%s',
+                    htmlspecialchars(LocalizationUtility::translate('backend.label', 'wv_deepltranslate')),
+                    $output
+                );
+            }
 
             return $output;
         }
         return '';
     }
 
+    public static function checkCanBeTranslated(int $pageId, int $languageId): bool
+    {
+        $languageService = GeneralUtility::makeInstance(LanguageService::class);
+        $site = $languageService->getCurrentSite('pages', $pageId);
+        if ($site === null) {
+            return false;
+        }
+        try {
+            $languageService->getSourceLanguage($site['site']);
+        } catch (LanguageIsoCodeNotFoundException $e) {
+            return false;
+        }
+        try {
+            $languageService->getTargetLanguage($site['site'], $languageId);
+        } catch (LanguageIsoCodeNotFoundException|LanguageRecordNotFoundException $e) {
+            return false;
+        }
+        return true;
+    }
+
     private static function getBackendUserAuthentication(): BackendUserAuthentication
     {
         return $GLOBALS['BE_USER'];

Classes/ViewHelpers/DeeplTranslateViewHelper.php

@@ -5,6 +5,7 @@
 namespace WebVision\WvDeepltranslate\ViewHelpers;
 
 use TYPO3\CMS\Backend\View\PageLayoutContext;
+use TYPO3\CMS\Extbase\Utility\LocalizationUtility;
 use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;
 use WebVision\WvDeepltranslate\Utility\DeeplBackendUtility;
 
@@ -33,13 +34,21 @@ public function render(): array
                 $siteLanguage->getLanguageId() != -1
                 && $siteLanguage->getLanguageId() != 0
             ) {
+                if (!DeeplBackendUtility::checkCanBeTranslated($context->getPageId(), $siteLanguage->getLanguageId())) {
+                    continue;
+                }
                 $languageMatch[$siteLanguage->getTitle()] = $siteLanguage->getLanguageId();
             }
         }
 
+        if (count($languageMatch) === 0) {
+            return $options;
+        }
         foreach ($context->getNewLanguageOptions() as $key => $possibleLanguage) {
             if ($key === 0) {
-                $options[] = $possibleLanguage;
+                continue;
+            }
+            if (!array_key_exists($possibleLanguage, $languageMatch)) {
                 continue;
             }
             $parameters = [

Resources/Private/Backend/Partials/PageLayout/LanguageColumns.html

@@ -3,9 +3,9 @@
     xmlns:deepl="http://typo3.org/ns/WebVision/WvDeepltranslate/ViewHelpers"
     xmlns:f="http://typo3.org/ns/TYPO3Fluid/Fluid/ViewHelpers"
 >
-<f:comment>
+<f:comment><!--
     Use in TYPO3 v11 default
-</f:comment>
+--></f:comment>
 
 <f:if condition="{context.newLanguageOptions}">
     <div class="row row-cols-auto align-items-end g-3 mb-3">
@@ -16,16 +16,21 @@
                 </f:for>
             </select>
         </div>
-        <div class="col row">
-            <label class="col-sm-4 col">{f:translate(key: 'backend.label', extensionName: 'wv_deepltranslate')}</label>
-            <div class="col col-sm-8">
-                <select class="form-select" name="createNewLanguage" data-global-event="change" data-action-navigate="$value">
-                    <f:for each="{deepl:deeplTranslate(context: '{context}')}" as="languageName" key="url">
-                        <option value="{url}">{languageName}</option>
-                    </f:for>
-                </select>
-            </div>
-        </div>
+        <f:alias map="{deeplLanguages: '{deepl:deeplTranslate(context: \'{context}\')}'}">
+            <f:if condition="{deeplLanguages -> f:count()} > 0">
+                <div class="col row">
+                    <label class="col-sm-4 col">{f:translate(key: 'backend.label', extensionName: 'wv_deepltranslate')}</label>
+                    <div class="col col-sm-8">
+                        <select class="form-select" name="createNewLanguage" data-global-event="change" data-action-navigate="$value">
+                            <option><f:translate key="backend.label" extensionName="wv_deepltranslate" /></option>
+                            <f:for each="{deeplLanguages}" as="languageName" key="url">
+                                <option value="{url}">{languageName}</option>
+                            </f:for>
+                        </select>
+                    </div>
+                </div>
+            </f:if>
+        </f:alias>
     </div>
 </f:if>
 <f:comment><!-- Identical to backend/Resources/Partials/PageLayout/LanguageColumns only copied --></f:comment>

Resources/Private/Backend/Partials/v10/PageLayout/LanguageColumns.html → Resources/Private/Backend/v10/Partials/PageLayout/LanguageColumns.html

@@ -3,9 +3,9 @@
     xmlns:deepl="http://typo3.org/ns/WebVision/WvDeepltranslate/ViewHelpers"
     xmlns:f="http://typo3.org/ns/TYPO3Fluid/Fluid/ViewHelpers"
 >
-<f:comment>
+<f:comment><!--
     Use in TYPO3 v10 when feature toggle enabled
-</f:comment>
+--></f:comment>
 <f:if condition="{context.newLanguageOptions}">
     <div class="form-inline form-inline-spaced">
         <div class="form-group">
@@ -15,14 +15,19 @@
                 </f:for>
             </select>
         </div>
-        <div class="form-group">
-            <label >{f:translate(key: 'backend.label', extensionName: 'wv_deepltranslate')}</label>
-            <select class="form-control input-sm" name="createNewLanguage" data-global-event="change" data-action-navigate="$value">
-                <f:for each="{deepl:deeplTranslate(context: '{context}')}" as="languageName" key="url">
-                    <option value="{url}">{languageName}</option>
-                </f:for>
-            </select>
-        </div>
+        <f:alias map="{deeplLanguages: '{deepl:deeplTranslate(context: \'{context}\')}'}">
+            <f:if condition="{deeplLanguages -> f:count()} > 0">
+                <div class="form-group">
+                    <label >{f:translate(key: 'backend.label', extensionName: 'wv_deepltranslate')}</label>
+                    <select class="form-control input-sm" name="createNewLanguage" data-global-event="change" data-action-navigate="$value">
+                        <option><f:translate key="backend.label" extensionName="wv_deepltranslate" /></option>
+                        <f:for each="{deeplLanguages}" as="languageName" key="url">
+                            <option value="{url}">{languageName}</option>
+                        </f:for>
+                    </select>
+                </div>
+            </f:if>
+        </f:alias>
     </div>
 </f:if>
 <f:comment><!-- Identical to backend/Resources/Partials/PageLayout/LanguageColumns only copied --></f:comment>

ext_typoscript_setup.txt

@@ -26,6 +26,6 @@ module.tx_backend.view {
     }
 }
 
-[compatVersion("10.4")]
-    module.tx_backend.view.partialRootPaths.10 = EXT:wv_deepltranslate/Resources/Private/Backend/Partials/v10
+[typo3.version < "11.5"]
+    module.tx_backend.view.partialRootPaths.10 = EXT:wv_deepltranslate/Resources/Private/Backend/v10/Partials
 [END]