From 9ca86067903318140990625b0a4cd297cb586fa3 Mon Sep 17 00:00:00 2001
From: Salvatore Giordano <salvatoregiordanoo@gmail.com>
Date: Fri, 27 Nov 2020 09:23:12 +0100
Subject: [PATCH] fix bottom sheet and channel name

---
 lib/src/channel_bottom_sheet.dart |  5 +--
 lib/src/channel_list_view.dart    |  5 ++-
 lib/src/channel_name.dart         | 62 ++++++++++++++++++++-----------
 3 files changed, 46 insertions(+), 26 deletions(-)

diff --git a/lib/src/channel_bottom_sheet.dart b/lib/src/channel_bottom_sheet.dart
index c0e32509..4272b0f3 100644
--- a/lib/src/channel_bottom_sheet.dart
+++ b/lib/src/channel_bottom_sheet.dart
@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:stream_chat/stream_chat.dart';
 import 'package:stream_chat_flutter/src/stream_svg_icon.dart';
 import 'package:stream_chat_flutter/src/utils.dart';
+import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 
 import 'channel_info.dart';
 import 'channel_name.dart';
@@ -12,13 +13,11 @@ import 'user_avatar.dart';
 class ChannelBottomSheet extends StatelessWidget {
   const ChannelBottomSheet({
     Key key,
-    @required this.channel,
   }) : super(key: key);
 
-  final Channel channel;
-
   @override
   Widget build(BuildContext context) {
+    final channel = StreamChannel.of(context).channel;
     return SafeArea(
       child: Padding(
         padding: const EdgeInsets.all(8.0),
diff --git a/lib/src/channel_list_view.dart b/lib/src/channel_list_view.dart
index 45c53eb6..1a431672 100644
--- a/lib/src/channel_list_view.dart
+++ b/lib/src/channel_list_view.dart
@@ -511,7 +511,10 @@ class _ChannelListViewState extends State<ChannelListView>
                         ),
                         context: context,
                         builder: (context) {
-                          return ChannelBottomSheet(channel: channel);
+                          return StreamChannel(
+                            child: ChannelBottomSheet(),
+                            channel: channel,
+                          );
                         },
                       );
                     },
diff --git a/lib/src/channel_name.dart b/lib/src/channel_name.dart
index 01abcb81..337321ed 100644
--- a/lib/src/channel_name.dart
+++ b/lib/src/channel_name.dart
@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/rendering.dart';
 import 'package:stream_chat/stream_chat.dart';
 
 import '../stream_chat_flutter.dart';
@@ -25,29 +26,46 @@ class ChannelName extends StatelessWidget {
   Widget build(BuildContext context) {
     final client = StreamChat.of(context);
     final channel = this.channel ?? StreamChannel.of(context).channel;
-    return StreamBuilder<Map<String, dynamic>>(
-      stream: channel.extraDataStream,
-      initialData: channel.extraData,
-      builder: (context, snapshot) {
-        String title;
-        if (snapshot.data['name'] == null) {
-          final otherMembers = channel.state.members
-              .where((member) => member.userId != client.user.id);
-          if (otherMembers.isNotEmpty) {
-            final exceedingMembers = otherMembers.length - 5;
-            title =
-                '${otherMembers.take(5).map((e) => e.user.name).join(', ')} ${exceedingMembers > 0 ? '+ $exceedingMembers' : ''}';
-          } else {
-            title = channel.id;
-          }
-        } else {
-          title = snapshot.data['name'];
-        }
+    return LayoutBuilder(
+      builder: (context, constraints) {
+        return StreamBuilder<Map<String, dynamic>>(
+          stream: channel.extraDataStream,
+          initialData: channel.extraData,
+          builder: (context, snapshot) {
+            String title;
+            if (snapshot.data['name'] == null) {
+              final otherMembers = channel.state.members
+                  .where((member) => member.userId != client.user.id);
+              if (otherMembers.isNotEmpty) {
+                final maxWidth = constraints.maxWidth;
+                final maxChars = maxWidth / textStyle.fontSize;
+                int currentChars = 0;
+                final currentMembers = <Member>[];
+                otherMembers.forEach((element) {
+                  final newLength = currentChars + element.user.name.length;
+                  if (newLength < maxChars) {
+                    currentChars = newLength;
+                    currentMembers.add(element);
+                  }
+                });
 
-        return Text(
-          title,
-          style: textStyle,
-          overflow: TextOverflow.ellipsis,
+                final exceedingMembers =
+                    otherMembers.length - currentMembers.length;
+                title =
+                    '${currentMembers.map((e) => e.user.name).join(', ')} ${exceedingMembers > 0 ? '+ $exceedingMembers' : ''}';
+              } else {
+                title = channel.id;
+              }
+            } else {
+              title = snapshot.data['name'];
+            }
+
+            return Text(
+              title,
+              style: textStyle,
+              overflow: TextOverflow.ellipsis,
+            );
+          },
         );
       },
     );