combined actions to popup menu

lib/widget/fileViewer.dart

@@ -23,6 +23,12 @@ class FileViewer extends StatefulWidget {
   State<FileViewer> createState() => _FileViewerState();
 }
 
+enum FileViewingActions {
+  openExternal,
+  share,
+  save
+}
+
 class _FileViewerState extends State<FileViewer> {
   PhotoViewController photoViewController = PhotoViewController();
 
@@ -40,33 +46,57 @@ class _FileViewerState extends State<FileViewer> {
     AppBar appbar({List actions = const []}) => AppBar(
         title: Text(widget.path.split('/').last),
         actions: [
-          IconButton(
+          ...actions,
-              onPressed: () => Navigator.of(context).push(
+          PopupMenuButton<FileViewingActions>(
+            onSelected: (value) async {
+              switch(value) {
+                case FileViewingActions.openExternal:
+                  Navigator.of(context).push(
                       MaterialPageRoute(builder: (context) => FileViewer(path: widget.path, openExternal: true))
-              ),
-              icon: const Icon(Icons.open_in_new)
-          ),
-          IconButton(
-            onPressed: () {
-              Share.shareXFiles(
-                  [XFile(widget.path)],
-                  sharePositionOrigin: SharePositionOrigin.get(context),
                   );
-            },
+                  break;
-            icon: const Icon(Icons.share_outlined),
+                case FileViewingActions.share:
-          ),
+                  SharePlus.instance.share(
-          Visibility(
+                      ShareParams(
-            visible: Platform.isAndroid,
+                          files: [XFile(widget.path)],
-            child: IconButton(
+                          sharePositionOrigin: SharePositionOrigin.get(context)
-              onPressed: () async {
+                      )
+                  );
+                  break;
+                case FileViewingActions.save:
                   await FileSaver.writeBytes(await File(widget.path).readAsBytes(), widget.path.split('/').last);
                   if(!context.mounted) return;
                   InfoDialog.show(context, 'Die Datei wurde im Downloads Ordner gespeichert.');
+                  break;
+              }
             },
-              icon: const Icon(Icons.save_alt_outlined)
+            itemBuilder: (context) => <PopupMenuEntry<FileViewingActions>>[
-            )
+              const PopupMenuItem(
+                value: FileViewingActions.openExternal,
+                child: ListTile(
+                  leading: Icon(Icons.open_in_new),
+                  title: Text('Extern öffnen'),
+                  dense: true,
+                ),
+              ),
+              const PopupMenuItem(
+                value: FileViewingActions.share,
+                child: ListTile(
+                  leading: Icon(Icons.share_outlined),
+                  title: Text('Teilen'),
+                  dense: true,
+                ),
+              ),
+              if(Platform.isAndroid) const PopupMenuItem(
+                value: FileViewingActions.save,
+                child: ListTile(
+                  leading: Icon(Icons.save_alt_outlined),
+                  title: Text('Speichern'),
+                  dense: true,
+                ),
+              ),
+            ],
           ),
-          ...actions
         ],
       );