[A11y] fix: Improve wiki title and language for further pdf print

components/ILIAS/UICore/classes/class.ilGlobalTemplate.php

@@ -98,6 +98,7 @@ class ilGlobalTemplate implements ilGlobalTemplateInterface
     protected string $left_content = '';
     protected string $right_content = '';
     protected string $login_target_par = '';
+    protected ?string $content_language = null;
 
     /**
      * @throws ilTemplateException|ilSystemStyleException
@@ -854,12 +855,28 @@ public function fillContentLanguage(): void
         global $DIC;
         $lng = $DIC->language();
 
+        if ($this->content_language !== null) {
+            $this->setVariable('META_CONTENT_LANGUAGE', $this->content_language);
+            $this->setVariable(
+                'LANGUAGE_DIRECTION',
+                in_array($this->content_language, ["ar", "fa", "ur", "he"], true)
+                    ? "rtl"
+                    : "ltr"
+            );
+            return;
+        }
+
         if (is_object($lng)) {
             $this->setVariable('META_CONTENT_LANGUAGE', $lng->getContentLanguage());
             $this->setVariable('LANGUAGE_DIRECTION', $lng->getTextDirection());
         }
     }
 
+    public function setContentLanguage(string $content_language): void
+    {
+        $this->content_language = $content_language;
+    }
+
     public function fillWindowTitle(): void
     {
         global $DIC;

components/ILIAS/Wiki/PrintView/class.WikiPrintViewProviderGUI.php

@@ -61,14 +61,41 @@ public function getTemplateInjectors(): array
             $page
         );
         $resource_injector = new COPage\ResourcesInjector($resource_collector);
+        $document_title = $this->getDocumentTitle();
+        $document_language = $this->getDocumentLanguage();
 
         return [
-            function ($tpl) use ($resource_injector) {
+            function ($tpl) use ($resource_injector, $document_title, $document_language) {
+                $tpl->setHeaderPageTitle($document_title);
+                $tpl->setContentLanguage($document_language);
                 $resource_injector->inject($tpl);
             }
         ];
     }
 
+    private function getDocumentTitle(): string
+    {
+        if (count($this->selected_pages) !== 1) {
+            return $this->wiki->getTitle();
+        }
+
+        $page_title = \ilWikiPage::lookupTitle($this->selected_pages[0]);
+        return $page_title === null
+            ? $this->wiki->getTitle()
+            : $this->wiki->getTitle() . " - " . $page_title;
+    }
+
+    private function getDocumentLanguage(): string
+    {
+        $language = $this->wiki->getObjectProperties()
+            ->getPropertyTranslations()
+            ->getBaseLanguage();
+
+        return $language !== ""
+            ? $language
+            : $this->lng->getContentLanguage();
+    }
+
     public function getPages(): array
     {
         $print_pages = [];