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update example using new client

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This commit is contained in:
Salvatore Giordano
2020-02-26 14:02:50 +01:00
parent aee5067f9c
commit 71c76dbade
16 changed files with 179 additions and 143 deletions
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lib/src/channel_list_view.dart
+19 -22
View File
@@ -1,12 +1,13 @@
import 'package:flutter/material.dart';
import 'package:stream_chat/stream_chat.dart';
import '../stream_chat_flutter.dart';
import 'channel_preview.dart';
import 'stream_channel.dart';
import 'stream_chat.dart';
typedef ChannelTapCallback = void Function(ChannelClient, Widget);
typedef ChannelPreviewBuilder = Widget Function(BuildContext, ChannelClient);
typedef ChannelTapCallback = void Function(Channel, Widget);
typedef ChannelPreviewBuilder = Widget Function(BuildContext, Channel);
class ChannelListView extends StatefulWidget {
ChannelListView({
@@ -47,7 +48,7 @@ class _ChannelListViewState extends State<ChannelListView> {
options: widget.options,
);
},
child: StreamBuilder<List<ChannelState>>(
child: StreamBuilder<List<Channel>>(
stream: streamChat.channelsStream,
builder: (context, snapshot) {
if (!snapshot.hasData) {
@@ -63,19 +64,19 @@ class _ChannelListViewState extends State<ChannelListView> {
);
}
final channelsStates = snapshot.data;
final channels = snapshot.data;
return ListView.custom(
physics: AlwaysScrollableScrollPhysics(),
controller: widget._scrollController,
childrenDelegate: SliverChildBuilderDelegate(
(context, i) {
return _itemBuilder(context, i, channelsStates);
return _itemBuilder(context, i, channels);
},
childCount: (channelsStates.length * 2) + 1,
childCount: (channels.length * 2) + 1,
findChildIndexCallback: (key) {
final ValueKey<String> valueKey = key;
final index = channelsStates.indexWhere(
(cs) => 'CHANNEL-${cs.channel.id}' == valueKey.value);
final index = channels.indexWhere(
(channel) => 'CHANNEL-${channel.id}' == valueKey.value);
return index != -1 ? (index * 2) : null;
},
),
@@ -84,7 +85,7 @@ class _ChannelListViewState extends State<ChannelListView> {
);
}
Widget _itemBuilder(context, int i, List<ChannelState> channelsStates) {
Widget _itemBuilder(context, int i, List<Channel> channels) {
if (i % 2 != 0) {
return _separatorBuilder(context, i);
}
@@ -92,11 +93,10 @@ class _ChannelListViewState extends State<ChannelListView> {
i = i ~/ 2;
final streamChat = StreamChat.of(context);
if (i < channelsStates.length) {
final channelState = channelsStates[i];
if (i < channels.length) {
final channel = channels[i];
final channelClient =
streamChat.client.channelClients[channelState.channel.id];
final channelClient = streamChat.client.channelClients[channel.id];
ChannelTapCallback onTap;
if (widget.onChannelTap != null) {
@@ -109,7 +109,7 @@ class _ChannelListViewState extends State<ChannelListView> {
builder: (context) {
return StreamChannel(
child: widget.channelWidget,
channelClient: client,
channel: client,
);
},
),
@@ -119,12 +119,11 @@ class _ChannelListViewState extends State<ChannelListView> {
return StreamChannel(
key: ValueKey<String>('CHANNEL-${channelClient.id}'),
child: StreamBuilder<ChannelState>(
initialData: channelClient.state.channelState,
stream: channelClient.state.channelStateStream,
channel: channelClient,
child: StreamBuilder<DateTime>(
initialData: channelClient.updatedAt,
stream: channelClient.updatedAtStream,
builder: (context, snapshot) {
final channelState = snapshot.data;
Widget child;
if (widget.channelPreviewBuilder != null) {
child = Stack(
@@ -147,17 +146,15 @@ class _ChannelListViewState extends State<ChannelListView> {
);
} else {
child = ChannelPreview(
channelClient: channelClient,
channel: channelClient,
onTap: (channelClient) {
onTap(channelClient, widget.channelWidget);
},
);
}
return child;
},
),
channelClient: channelClient,
);
} else {
return _buildQueryProgressIndicator(context, streamChat);