fluffychat/lib/views/new_group.dart

import 'package:adaptive_page_layout/adaptive_page_layout.dart';
import 'package:famedlysdk/famedlysdk.dart' as sdk;
import 'package:fluffychat/views/widgets/max_width_body.dart';
import 'package:future_loading_dialog/future_loading_dialog.dart';
import 'package:fluffychat/views/widgets/matrix.dart';
import 'package:flutter/material.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';

class NewGroup extends StatefulWidget {
  @override
  _NewGroupState createState() => _NewGroupState();
}

class _NewGroupState extends State<NewGroup> {
  TextEditingController controller = TextEditingController();
  bool publicGroup = false;

  void submitAction(BuildContext context) async {
    final matrix = Matrix.of(context);
    final roomID = await showFutureLoadingDialog(
      context: context,
      future: () => matrix.client.createRoom(
        preset: publicGroup
            ? sdk.CreateRoomPreset.public_chat
            : sdk.CreateRoomPreset.private_chat,
        visibility: publicGroup ? sdk.Visibility.public : null,
        roomAliasName: publicGroup && controller.text.isNotEmpty
            ? controller.text.trim().toLowerCase().replaceAll(' ', '_')
            : null,
        name: controller.text.isNotEmpty ? controller.text : null,
      ),
    );
    AdaptivePageLayout.of(context).popUntilIsFirst();
    if (roomID != null) {
      await AdaptivePageLayout.of(context).pushNamed('/rooms/${roomID.result}');
      await AdaptivePageLayout.of(context)
          .pushNamed('/rooms/${roomID.result}/invite');
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        leading: BackButton(),
        title: Text(L10n.of(context).createNewGroup),
        elevation: 0,
      ),
      body: MaxWidthBody(
        child: Column(
          mainAxisSize: MainAxisSize.min,
          children: <Widget>[
            Padding(
              padding: const EdgeInsets.all(12.0),
              child: TextField(
                controller: controller,
                autofocus: true,
                autocorrect: false,
                textInputAction: TextInputAction.go,
                onSubmitted: (s) => submitAction(context),
                decoration: InputDecoration(
                    labelText: L10n.of(context).optionalGroupName,
                    prefixIcon: Icon(Icons.people_outlined),
                    hintText: L10n.of(context).enterAGroupName),
              ),
            ),
            SwitchListTile(
              title: Text(L10n.of(context).groupIsPublic),
              value: publicGroup,
              onChanged: (bool b) => setState(() => publicGroup = b),
            ),
            Expanded(
              child: Image.asset('assets/new_group_wallpaper.png'),
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: () => submitAction(context),
        child: Icon(Icons.arrow_forward_outlined),
      ),
    );
  }
}