[New Group Chat] Complete add group members screen

2020-11-19 15:11:40 +05:30
parent 1a21dc27a2
commit 33e91ff188
1 changed files with 168 additions and 0 deletions
@@ -599,15 +599,183 @@ class NewGroupChatScreen extends StatefulWidget {
 }
 class _NewGroupChatScreenState extends State<NewGroupChatScreen> {
  TextEditingController _controller;
  String _userNameQuery = '';
  final _selectedUsers = <User>{};
  bool _isSearchActive = false;
  @override
  void initState() {
    super.initState();
    _controller = TextEditingController()
      ..addListener(() {
        setState(() {
          _userNameQuery = _controller.text;
          _isSearchActive = _userNameQuery.isNotEmpty;
        });
      });
  }
  @override
  void dispose() {
    _controller?.clear();
    _controller?.dispose();
    super.dispose();
  }
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        elevation: 2,
        backgroundColor: Colors.white,
        title: Text(
          'Add Group Members',
          style: TextStyle(color: Colors.black),
        ),
        actions: [
          if (_selectedUsers.isNotEmpty)
            IconButton(
              icon: Icon(
                StreamIcons.arrow_right,
                color: Colors.blue.shade700,
              ),
              onPressed: () {},
            )
        ],
      ),
      body: UsersBloc(
        child: Column(
          children: [
            Container(
              decoration: BoxDecoration(
                border: Border.all(
                  color: Colors.grey.shade300,
                ),
                borderRadius: BorderRadius.circular(24),
              ),
              margin: const EdgeInsets.symmetric(
                vertical: 8,
                horizontal: 8,
              ),
              child: TextField(
                onTap: () {},
                controller: _controller,
                decoration: InputDecoration(
                  prefixIcon: Icon(StreamIcons.search),
                  hintText: 'Search',
                  contentPadding: const EdgeInsets.all(8),
                  border: OutlineInputBorder(
                    borderSide: BorderSide.none,
                    borderRadius: BorderRadius.circular(24),
                  ),
                ),
              ),
            ),
            if (_selectedUsers.isNotEmpty)
              Container(
                height: 120,
                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(
                              user: user,
                              showOnlineStatus: true,
                              borderRadius: BorderRadius.circular(40),
                              constraints: BoxConstraints.tightFor(
                                height: 80,
                                width: 80,
                              ),
                            ),
                            Positioned(
                              top: 0,
                              right: 0,
                              child: InkWell(
                                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(4.0),
                                    child: Icon(
                                      Icons.clear_rounded,
                                      size: 16,
                                    ),
                                  ),
                                ),
                              ),
                            )
                          ],
                        ),
                        SizedBox(height: 4),
                        Text(
                          user.name.split(' ')[0],
                          style: TextStyle(
                            fontWeight: FontWeight.w500,
                            fontSize: 16,
                          ),
                        ),
                      ],
                    );
                  },
                ),
              ),
            Container(
              width: double.maxFinite,
              color: Colors.grey.shade50,
              child: Padding(
                padding: const EdgeInsets.symmetric(
                  vertical: 8,
                  horizontal: 8,
                ),
                child: Text(
                  _isSearchActive
                      ? 'Matches for \"$_userNameQuery\"'
                      : 'On the platform',
                  style: TextStyle(
                    fontWeight: FontWeight.w500,
                  ),
                ),
              ),
            ),
            Expanded(
              child: UserListView(
                filterByUserName: _userNameQuery,
                selectedUsers: _selectedUsers,
                groupAlphabetically: _isSearchActive ? false : true,
                onUserTap: (user, _) {
                  if (!_selectedUsers.contains(user)) {
                    setState(() {
                      _selectedUsers.add(user);
                    });
                  }
                },
                pagination: PaginationParams(
                  limit: 25,
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }