[NewGroupChatScreen] Float selected users and searchField when list is scrolling.
This commit is contained in:
xsahil03x
@@ -24,11 +24,12 @@ class _NewGroupChatScreenState extends State<NewGroupChatScreen> {
|
||||
void _userNameListener() {
|
||||
if (_debounce?.isActive ?? false) _debounce.cancel();
|
||||
_debounce = Timer(const Duration(milliseconds: 350), () {
|
||||
if (mounted)
|
||||
if (mounted) {
|
||||
setState(() {
|
||||
_userNameQuery = _controller.text;
|
||||
_isSearchActive = _userNameQuery.isNotEmpty;
|
||||
});
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
@@ -46,247 +47,294 @@ class _NewGroupChatScreenState extends State<NewGroupChatScreen> {
|
||||
super.dispose();
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Scaffold(
|
||||
backgroundColor: Color.fromRGBO(252, 252, 252, 1),
|
||||
appBar: AppBar(
|
||||
elevation: 1,
|
||||
backgroundColor: Colors.white,
|
||||
leading: const StreamBackButton(),
|
||||
title: Text(
|
||||
'Add Group Members',
|
||||
style: TextStyle(
|
||||
color: Colors.black,
|
||||
fontSize: 16,
|
||||
),
|
||||
),
|
||||
centerTitle: true,
|
||||
actions: [
|
||||
if (_selectedUsers.isNotEmpty)
|
||||
IconButton(
|
||||
icon: Icon(
|
||||
StreamIcons.arrow_right,
|
||||
color: Color(0xFF006CFF),
|
||||
),
|
||||
onPressed: () async {
|
||||
final updatedList = await Navigator.push(
|
||||
context,
|
||||
MaterialPageRoute(
|
||||
builder: (_) => GroupChatDetailsScreen(
|
||||
selectedUsers: _selectedUsers.toList(growable: false),
|
||||
return SafeArea(
|
||||
child: UsersBloc(
|
||||
child: Scaffold(
|
||||
body: NestedScrollView(
|
||||
floatHeaderSlivers: true,
|
||||
headerSliverBuilder:
|
||||
(BuildContext context, bool innerBoxIsScrolled) {
|
||||
return <Widget>[
|
||||
SliverAppBar(
|
||||
// floating: true,
|
||||
pinned: true,
|
||||
forceElevated: true,
|
||||
elevation: 1,
|
||||
backgroundColor: Colors.white,
|
||||
leading: const StreamBackButton(),
|
||||
title: Text(
|
||||
'Add Group Members',
|
||||
style: TextStyle(
|
||||
color: Colors.black,
|
||||
fontSize: 16,
|
||||
),
|
||||
),
|
||||
);
|
||||
if (updatedList != null) {
|
||||
centerTitle: true,
|
||||
actions: [
|
||||
if (_selectedUsers.isNotEmpty)
|
||||
IconButton(
|
||||
icon: Icon(
|
||||
StreamIcons.arrow_right,
|
||||
color: Color(0xFF006CFF),
|
||||
),
|
||||
onPressed: () async {
|
||||
final updatedList = await Navigator.push(
|
||||
context,
|
||||
MaterialPageRoute(
|
||||
builder: (_) => GroupChatDetailsScreen(
|
||||
selectedUsers:
|
||||
_selectedUsers.toList(growable: false),
|
||||
),
|
||||
),
|
||||
);
|
||||
if (updatedList != null) {
|
||||
setState(() {
|
||||
_selectedUsers
|
||||
..clear()
|
||||
..addAll(updatedList);
|
||||
});
|
||||
}
|
||||
},
|
||||
)
|
||||
],
|
||||
),
|
||||
SliverToBoxAdapter(
|
||||
child: Container(
|
||||
height: 36,
|
||||
decoration: BoxDecoration(
|
||||
color: Colors.white,
|
||||
border: Border.all(
|
||||
color: Colors.grey.shade300,
|
||||
),
|
||||
borderRadius: BorderRadius.circular(24),
|
||||
),
|
||||
margin: const EdgeInsets.symmetric(
|
||||
vertical: 8,
|
||||
horizontal: 8,
|
||||
),
|
||||
child: TextField(
|
||||
controller: _controller,
|
||||
decoration: InputDecoration(
|
||||
prefixIcon: Icon(
|
||||
StreamIcons.search,
|
||||
color: Colors.black,
|
||||
size: 24,
|
||||
),
|
||||
hintText: 'Search',
|
||||
hintStyle: TextStyle(
|
||||
color: Colors.black.withOpacity(0.5),
|
||||
fontSize: 14,
|
||||
),
|
||||
contentPadding: const EdgeInsets.all(0),
|
||||
border: OutlineInputBorder(
|
||||
borderSide: BorderSide.none,
|
||||
borderRadius: BorderRadius.circular(24),
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
if (_selectedUsers.isNotEmpty)
|
||||
SliverToBoxAdapter(
|
||||
child: Container(
|
||||
height: 104,
|
||||
child: ListView.separated(
|
||||
scrollDirection: Axis.horizontal,
|
||||
itemCount: _selectedUsers.length,
|
||||
padding: const EdgeInsets.all(8),
|
||||
separatorBuilder: (_, __) => SizedBox(width: 16),
|
||||
itemBuilder: (_, index) {
|
||||
final user = _selectedUsers.elementAt(index);
|
||||
return Column(
|
||||
children: [
|
||||
Stack(
|
||||
children: [
|
||||
UserAvatar(
|
||||
onlineIndicatorAlignment:
|
||||
Alignment(0.9, 0.9),
|
||||
user: user,
|
||||
showOnlineStatus: true,
|
||||
borderRadius: BorderRadius.circular(32),
|
||||
constraints: BoxConstraints.tightFor(
|
||||
height: 64,
|
||||
width: 64,
|
||||
),
|
||||
),
|
||||
Positioned(
|
||||
top: -4,
|
||||
right: -4,
|
||||
child: GestureDetector(
|
||||
onTap: () {
|
||||
if (_selectedUsers.contains(user)) {
|
||||
setState(() =>
|
||||
_selectedUsers.remove(user));
|
||||
}
|
||||
},
|
||||
child: Container(
|
||||
decoration: BoxDecoration(
|
||||
color: Colors.white,
|
||||
shape: BoxShape.circle,
|
||||
border: Border.all(
|
||||
color: Colors.grey.shade100,
|
||||
),
|
||||
),
|
||||
child: Padding(
|
||||
padding: const EdgeInsets.all(0.0),
|
||||
child: Icon(
|
||||
StreamIcons.close,
|
||||
size: 24,
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
)
|
||||
],
|
||||
),
|
||||
SizedBox(height: 4),
|
||||
Text(
|
||||
user.name.split(' ')[0],
|
||||
style: TextStyle(
|
||||
fontWeight: FontWeight.bold,
|
||||
fontSize: 12,
|
||||
),
|
||||
),
|
||||
],
|
||||
);
|
||||
},
|
||||
),
|
||||
),
|
||||
),
|
||||
SliverPersistentHeader(
|
||||
pinned: true,
|
||||
delegate: _HeaderDelegate(
|
||||
height: 30,
|
||||
child: Container(
|
||||
width: double.maxFinite,
|
||||
decoration: BoxDecoration(
|
||||
gradient: LinearGradient(
|
||||
begin: Alignment.centerLeft,
|
||||
end: Alignment.centerRight,
|
||||
colors: [
|
||||
Colors.black.withOpacity(0.02),
|
||||
Colors.white.withOpacity(0.05),
|
||||
],
|
||||
stops: [0, 1],
|
||||
),
|
||||
),
|
||||
child: Padding(
|
||||
padding: const EdgeInsets.symmetric(
|
||||
vertical: 8,
|
||||
horizontal: 8,
|
||||
),
|
||||
child: Text(
|
||||
_isSearchActive
|
||||
? 'Matches for \"$_userNameQuery\"'
|
||||
: 'On the platform',
|
||||
style: TextStyle(
|
||||
color: Colors.black.withOpacity(0.5),
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
];
|
||||
},
|
||||
body: UserListView(
|
||||
selectedUsers: _selectedUsers,
|
||||
pullToRefresh: false,
|
||||
groupAlphabetically: _isSearchActive ? false : true,
|
||||
onUserTap: (user, _) {
|
||||
if (!_selectedUsers.contains(user)) {
|
||||
setState(() {
|
||||
_selectedUsers
|
||||
..clear()
|
||||
..addAll(updatedList);
|
||||
_selectedUsers.add(user);
|
||||
});
|
||||
} else {
|
||||
setState(() {
|
||||
_selectedUsers.remove(user);
|
||||
});
|
||||
}
|
||||
},
|
||||
)
|
||||
],
|
||||
),
|
||||
body: UsersBloc(
|
||||
child: Column(
|
||||
children: [
|
||||
Container(
|
||||
height: 36,
|
||||
decoration: BoxDecoration(
|
||||
color: Colors.white,
|
||||
border: Border.all(
|
||||
color: Colors.grey.shade300,
|
||||
pagination: PaginationParams(
|
||||
limit: 25,
|
||||
),
|
||||
filter: {
|
||||
if (_userNameQuery.isNotEmpty)
|
||||
'name': {
|
||||
r'$autocomplete': _userNameQuery,
|
||||
},
|
||||
'id': {
|
||||
r'$ne': StreamChat.of(context).user.id,
|
||||
}
|
||||
},
|
||||
sort: [
|
||||
SortOption(
|
||||
'name',
|
||||
direction: 1,
|
||||
),
|
||||
borderRadius: BorderRadius.circular(24),
|
||||
),
|
||||
margin: const EdgeInsets.symmetric(
|
||||
vertical: 8,
|
||||
horizontal: 8,
|
||||
),
|
||||
child: TextField(
|
||||
controller: _controller,
|
||||
decoration: InputDecoration(
|
||||
prefixIcon: Icon(
|
||||
StreamIcons.search,
|
||||
color: Colors.black,
|
||||
size: 24,
|
||||
),
|
||||
hintText: 'Search',
|
||||
hintStyle: TextStyle(
|
||||
color: Colors.black.withOpacity(0.5),
|
||||
fontSize: 14,
|
||||
),
|
||||
contentPadding: const EdgeInsets.all(0),
|
||||
border: OutlineInputBorder(
|
||||
borderSide: BorderSide.none,
|
||||
borderRadius: BorderRadius.circular(24),
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
if (_selectedUsers.isNotEmpty)
|
||||
Container(
|
||||
height: 104,
|
||||
child: ListView.separated(
|
||||
scrollDirection: Axis.horizontal,
|
||||
itemCount: _selectedUsers.length,
|
||||
padding: const EdgeInsets.all(8),
|
||||
separatorBuilder: (_, __) => SizedBox(width: 16),
|
||||
itemBuilder: (_, index) {
|
||||
final user = _selectedUsers.elementAt(index);
|
||||
return Column(
|
||||
children: [
|
||||
Stack(
|
||||
children: [
|
||||
UserAvatar(
|
||||
onlineIndicatorAlignment: Alignment(0.9, 0.9),
|
||||
user: user,
|
||||
showOnlineStatus: true,
|
||||
borderRadius: BorderRadius.circular(32),
|
||||
constraints: BoxConstraints.tightFor(
|
||||
height: 64,
|
||||
width: 64,
|
||||
),
|
||||
),
|
||||
Positioned(
|
||||
top: -4,
|
||||
right: -4,
|
||||
child: GestureDetector(
|
||||
onTap: () {
|
||||
if (_selectedUsers.contains(user)) {
|
||||
setState(() => _selectedUsers.remove(user));
|
||||
}
|
||||
},
|
||||
child: Container(
|
||||
decoration: BoxDecoration(
|
||||
color: Colors.white,
|
||||
shape: BoxShape.circle,
|
||||
border: Border.all(
|
||||
color: Colors.grey.shade100,
|
||||
),
|
||||
),
|
||||
child: Padding(
|
||||
padding: const EdgeInsets.all(0.0),
|
||||
child: Icon(
|
||||
StreamIcons.close,
|
||||
size: 24,
|
||||
),
|
||||
),
|
||||
],
|
||||
emptyBuilder: (_) {
|
||||
return LayoutBuilder(
|
||||
builder: (context, viewportConstraints) {
|
||||
return SingleChildScrollView(
|
||||
physics: AlwaysScrollableScrollPhysics(),
|
||||
child: ConstrainedBox(
|
||||
constraints: BoxConstraints(
|
||||
minHeight: viewportConstraints.maxHeight,
|
||||
),
|
||||
child: Center(
|
||||
child: Column(
|
||||
children: [
|
||||
Padding(
|
||||
padding: const EdgeInsets.all(24),
|
||||
child: Icon(
|
||||
StreamIcons.search,
|
||||
size: 96,
|
||||
color: Colors.grey,
|
||||
),
|
||||
),
|
||||
)
|
||||
],
|
||||
),
|
||||
SizedBox(height: 4),
|
||||
Text(
|
||||
user.name.split(' ')[0],
|
||||
style: TextStyle(
|
||||
fontWeight: FontWeight.bold,
|
||||
fontSize: 12,
|
||||
Text('No user matches these keywords...'),
|
||||
],
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
);
|
||||
},
|
||||
),
|
||||
),
|
||||
Container(
|
||||
width: double.maxFinite,
|
||||
decoration: BoxDecoration(
|
||||
gradient: LinearGradient(
|
||||
begin: Alignment.centerLeft,
|
||||
end: Alignment.centerRight,
|
||||
colors: [
|
||||
Colors.black.withOpacity(0.02),
|
||||
Colors.white.withOpacity(0.05),
|
||||
],
|
||||
stops: [0, 1],
|
||||
),
|
||||
),
|
||||
child: Padding(
|
||||
padding: const EdgeInsets.symmetric(
|
||||
vertical: 8,
|
||||
horizontal: 8,
|
||||
),
|
||||
child: Text(
|
||||
_isSearchActive
|
||||
? 'Matches for \"$_userNameQuery\"'
|
||||
: 'On the platform',
|
||||
style: TextStyle(
|
||||
color: Colors.black.withOpacity(0.5),
|
||||
),
|
||||
),
|
||||
),
|
||||
);
|
||||
},
|
||||
),
|
||||
Expanded(
|
||||
child: UserListView(
|
||||
selectedUsers: _selectedUsers,
|
||||
groupAlphabetically: _isSearchActive ? false : true,
|
||||
onUserTap: (user, _) {
|
||||
if (!_selectedUsers.contains(user)) {
|
||||
setState(() {
|
||||
_selectedUsers.add(user);
|
||||
});
|
||||
} else {
|
||||
setState(() {
|
||||
_selectedUsers.remove(user);
|
||||
});
|
||||
}
|
||||
},
|
||||
pagination: PaginationParams(
|
||||
limit: 25,
|
||||
),
|
||||
filter: {
|
||||
if (_userNameQuery.isNotEmpty)
|
||||
'name': {
|
||||
r'$autocomplete': _userNameQuery,
|
||||
},
|
||||
'id': {
|
||||
r'$ne': StreamChat.of(context).user.id,
|
||||
}
|
||||
},
|
||||
sort: [
|
||||
SortOption(
|
||||
'name',
|
||||
direction: 1,
|
||||
),
|
||||
],
|
||||
emptyBuilder: (_) {
|
||||
return LayoutBuilder(
|
||||
builder: (context, viewportConstraints) {
|
||||
return SingleChildScrollView(
|
||||
physics: AlwaysScrollableScrollPhysics(),
|
||||
child: ConstrainedBox(
|
||||
constraints: BoxConstraints(
|
||||
minHeight: viewportConstraints.maxHeight,
|
||||
),
|
||||
child: Center(
|
||||
child: Column(
|
||||
children: [
|
||||
Padding(
|
||||
padding: const EdgeInsets.all(24),
|
||||
child: Icon(
|
||||
StreamIcons.search,
|
||||
size: 96,
|
||||
color: Colors.grey,
|
||||
),
|
||||
),
|
||||
Text('No user matches these keywords...'),
|
||||
],
|
||||
),
|
||||
),
|
||||
),
|
||||
);
|
||||
},
|
||||
);
|
||||
},
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class _HeaderDelegate extends SliverPersistentHeaderDelegate {
|
||||
final Widget child;
|
||||
final double height;
|
||||
|
||||
const _HeaderDelegate({
|
||||
@required this.child,
|
||||
@required this.height,
|
||||
});
|
||||
|
||||
@override
|
||||
Widget build(
|
||||
BuildContext context, double shrinkOffset, bool overlapsContent) {
|
||||
return Container(
|
||||
color: Colors.white,
|
||||
child: child,
|
||||
);
|
||||
}
|
||||
|
||||
@override
|
||||
double get maxExtent => height;
|
||||
|
||||
@override
|
||||
double get minExtent => height;
|
||||
|
||||
@override
|
||||
bool shouldRebuild(_HeaderDelegate oldDelegate) => true;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user