Added option for file deletion

lib/screen/pages/files/fileElement.dart

@@ -9,6 +9,8 @@ import 'package:flutter/material.dart';
 import 'package:jiffy/jiffy.dart';
 import 'package:marianum_mobile/api/marianumcloud/webdav/queries/listFiles/cacheableFile.dart';
 import 'package:marianum_mobile/screen/pages/files/files.dart';
+import 'package:marianum_mobile/widget/confirmDialog.dart';
+import 'package:marianum_mobile/widget/unimplementedDialog.dart';
 import 'package:path_provider/path_provider.dart';
 
 import '../../../api/marianumcloud/webdav/webdavApi.dart';
@@ -16,7 +18,8 @@ import '../../../api/marianumcloud/webdav/webdavApi.dart';
 class FileElement extends StatefulWidget {
   final CacheableFile file;
   final List<String> path;
-  const FileElement(this.file, this.path, {Key? key}) : super(key: key);
+  final void Function() refetch;
+  const FileElement(this.file, this.path, this.refetch, {Key? key}) : super(key: key);
 
   static Future<DownloaderCore> download(String remotePath, String name, Function(double) onProgress, Function(OpenResult) onDone) async {
     Directory paths = await getApplicationDocumentsDirectory();
@@ -147,23 +150,36 @@ class _FileElementState extends State<FileElement> {
         }
       },
       onLongPress: () {
-        showModalBottomSheet<void>(
+        showDialog(context: context, builder: (context) {
-          context: context,
+          return SimpleDialog(
-          builder: (context) {
+            children: [
-            return ListView(
+              ListTile(
-              children: [
+                leading: const Icon(Icons.delete_outline),
-                ListTile(
+                title: const Text("Löschen"),
-                  leading: const Icon(Icons.delete_outline),
+                onTap: () {
-                  title: Text("'${widget.file.name}' Löschen"),
+                  Navigator.of(context).pop();
-                ),
+                  showDialog(context: context, builder: (context) => ConfirmDialog(
-                const ListTile(
+                    title: "Element löschen?",
-                  leading: Icon(Icons.share_outlined),
+                    content: "Das Element wird unwiederruflich gelöscht.",
-                  title: Text("Teilen"),
+                    onConfirm: () {
-                )
+                      WebdavApi.webdav
-              ],
+                          .then((value) => value.delete(widget.file.path))
-            );
+                          .then((value) => widget.refetch());
-          },
+                    }
-        );
+                  ));
+                },
+              ),
+              ListTile(
+                leading: const Icon(Icons.share_outlined),
+                title: const Text("Teilen"),
+                onTap: () {
+                  Navigator.of(context).pop();
+                  UnimplementedDialog.show(context);
+                },
+              )
+            ],
+          );
+        });
       },
     );
   }

lib/screen/pages/files/files.dart

@@ -226,7 +226,7 @@ class _FilesState extends State<Files> {
             itemCount: files.length,
             itemBuilder: (context, index) {
               CacheableFile file = files.toList()[index];
-              return FileElement(file, widget.path);
+              return FileElement(file, widget.path, _query);
             },
           ),
         )

lib/widget/confirmDialog.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+
+class ConfirmDialog extends StatelessWidget {
+  final String title;
+  final String content;
+  final IconData? icon;
+  final String confirmButton;
+  final String cancelButton;
+  final void Function() onConfirm;
+  const ConfirmDialog({Key? key, required this.title, this.content = "", this.icon, this.confirmButton = "Ok", this.cancelButton = "Abbrechen", required this.onConfirm}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return AlertDialog(
+      icon: icon != null ? Icon(icon) : null,
+      title: Text(title),
+      content: Text(content),
+      actions: [
+        TextButton(onPressed: () {
+          Navigator.of(context).pop();
+        }, child: Text(cancelButton)),
+        TextButton(onPressed: () {
+          onConfirm();
+          Navigator.of(context).pop();
+        }, child: Text(confirmButton)),
+      ],
+    );
+  }
+}