Can search for users

lib/forez/ui/routes/search_users.dart

@@ -0,0 +1,53 @@
+import 'package:comunic/lists/users_list.dart';
+import 'package:comunic/models/user.dart';
+import 'package:comunic/ui/widgets/account_image_widget.dart';
+import 'package:flutter/material.dart';
+
+/// Search for users
+///
+/// @author Pierre Hubert
+
+Future<User> searchUser(BuildContext context, UsersList users) async {
+  return await showSearch<User>(
+      context: context, delegate: _SearchDelegate(users));
+}
+
+class _SearchDelegate extends SearchDelegate<User> {
+  final UsersList _usersList;
+
+  _SearchDelegate(this._usersList) : assert(_usersList != null);
+
+  @override
+  List<Widget> buildActions(BuildContext context) => null;
+
+  @override
+  Widget buildLeading(BuildContext context) => IconButton(
+        icon: Icon(Icons.arrow_back),
+        onPressed: () => this.close(context, null),
+      );
+
+  @override
+  Widget buildSuggestions(BuildContext context) {
+    final list = _usersList
+        .where((element) =>
+            element.fullName.toLowerCase().contains(query.toLowerCase()))
+        .toList();
+
+    return ListView.builder(
+        itemCount: list.length,
+        itemBuilder: (c, i) {
+          final e = list[i];
+          return ListTile(
+            title: Text(e.fullName),
+            leading: AccountImageWidget(user: e),
+            onTap: () {
+              query = e.fullName;
+              close(context, e);
+            },
+          );
+        });
+  }
+
+  @override
+  Widget buildResults(BuildContext context) => Container();
+}

lib/forez/ui/screens/forez_directory_screen.dart

@@ -1,4 +1,5 @@
 import 'package:comunic/forez/helpers/forez_group_helper.dart';
+import 'package:comunic/forez/ui/routes/search_users.dart';
 import 'package:comunic/helpers/groups_helper.dart';
 import 'package:comunic/helpers/users_helper.dart';
 import 'package:comunic/lists/group_members_list.dart';
@@ -43,11 +44,23 @@ class _ForezDirectoryScreenState extends State<ForezDirectoryScreen> {
   }
 
   @override
-  Widget build(BuildContext context) => AsyncScreenWidget(
-        onReload: _load,
-        onBuild: onBuild,
-        errorMessage: tr("Failed to load members list!"),
-        key: _key,
+  Widget build(BuildContext context) => Stack(
+        children: [
+          AsyncScreenWidget(
+            onReload: _load,
+            onBuild: onBuild,
+            errorMessage: tr("Failed to load members list!"),
+            key: _key,
+          ),
+          Positioned(
+            child: FloatingActionButton(
+              onPressed: _doSearch,
+              child: Icon(Icons.search),
+            ),
+            right: 20,
+            bottom: 20,
+          ),
+        ],
       );
 
   Widget onBuild() => ListView.builder(
@@ -86,6 +99,12 @@ class _ForezDirectoryScreenState extends State<ForezDirectoryScreen> {
       snack(context, tr("Error while processing action!"));
     }
   }
+
+  void _doSearch() async {
+    final user = await searchUser(context, UsersList()..addAll(_users));
+    print("found ${user?.fullName}");
+    //if (user != null) _openUserProfile(user);
+  }
 }
 
 class _ForezMemberTile extends StatelessWidget {