Can change group visibility

lib/ui/widgets/settings/multi_choices_settings_tile.dart

@@ -0,0 +1,46 @@
+import 'package:comunic/ui/dialogs/multi_choices_dialog.dart';
+import 'package:flutter/material.dart';
+import 'package:settings_ui/settings_ui.dart';
+
+/// Multiple choices settings tile
+///
+/// @author Pierre Hubert
+
+class MultiChoicesSettingsTile<T> extends SettingsTile {
+  final String title;
+  final List<MultiChoiceEntry<T>> choices;
+  final T currentValue;
+  final Function(T) onChanged;
+
+  const MultiChoicesSettingsTile({
+    Key key,
+    @required this.title,
+    @required this.choices,
+    @required this.currentValue,
+    @required this.onChanged,
+  })  : assert(title != null),
+        assert(choices != null),
+        assert(currentValue != null),
+        assert(onChanged != null);
+
+  @override
+  Widget build(BuildContext context) {
+    return SettingsTile(
+      title: title,
+      subtitle: choices.firstWhere((f) => f.id == currentValue).title,
+      onTap: () => _changeValue(context),
+    );
+  }
+
+  /// When the user request to change the current value
+  void _changeValue(BuildContext context) async {
+    final newChoice = await showMultiChoicesDialog(
+      context: context,
+      choices: choices,
+      defaultChoice: currentValue,
+      title: title,
+    );
+    if (newChoice == null) return;
+    onChanged(newChoice);
+  }
+}