fluffychat/lib/pages/chat/events/state_message.dart

import 'package:flutter/material.dart';

import 'package:flutter_gen/gen_l10n/l10n.dart';
import 'package:matrix/matrix.dart';

import 'package:fluffychat/utils/matrix_sdk_extensions.dart/matrix_locals.dart';
import '../../../config/app_config.dart';

class StateMessage extends StatelessWidget {
  final Event event;
  const StateMessage(this.event, {Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    if (event.unsigned!['im.fluffychat.collapsed_state_event'] == true) {
      return Container();
    }
    final int counter =
        event.unsigned!['im.fluffychat.collapsed_state_event_count'] ?? 0;
    return Padding(
      padding: const EdgeInsets.symmetric(
        horizontal: 8.0,
        vertical: 4.0,
      ),
      child: Center(
        child: Container(
          padding: const EdgeInsets.all(8),
          decoration: BoxDecoration(
            color: Theme.of(context).brightness == Brightness.light
                ? Colors.white
                : Colors.grey.shade900,
            borderRadius: BorderRadius.circular(AppConfig.borderRadius / 2),
          ),
          child: Column(
            mainAxisSize: MainAxisSize.min,
            children: [
              FutureBuilder<String>(
                  future:
                      event.calcLocalizedBody(MatrixLocals(L10n.of(context)!)),
                  builder: (context, snapshot) {
                    return Text(
                      snapshot.data ??
                          event.calcLocalizedBodyFallback(
                              MatrixLocals(L10n.of(context)!)),
                      textAlign: TextAlign.center,
                      style: TextStyle(
                        fontSize: 14 * AppConfig.fontSizeFactor,
                        color: Theme.of(context).textTheme.bodyText2!.color,
                        decoration:
                            event.redacted ? TextDecoration.lineThrough : null,
                      ),
                    );
                  }),
              if (counter != 0)
                Text(
                  L10n.of(context)!.moreEvents(counter),
                  style: TextStyle(
                    fontWeight: FontWeight.bold,
                    fontSize: 14 * AppConfig.fontSizeFactor,
                  ),
                ),
            ],
          ),
        ),
      ),
    );
  }
}