showAdaptiveBottomSheetOrDialog function

Implementation

Future<void> showAdaptiveBottomSheetOrDialog(
  BuildContext context, {
  EdgeInsetsGeometry? sheetPadding,
  EdgeInsetsGeometry? dialogPadding,
  Widget? dialogTitle,
  required Widget child,
  Function(DartBlockNotification notification)? onReceiveDartBlockNotification,
}) async {
  final screenWidth = MediaQuery.of(context).size.width;
  final isLargeScreen = screenWidth > 700;

  /// Due to the dialog / sheet having a separate context and thus no relation
  /// to the main context of the DartBlockEditor (the main UI of DartBlock), we capture DartBlockNotifications
  /// from the dialog's or sheet's context, and manually re-dispatch them using the parent context.
  /// The parent context may not necessarily be the DartBlockEditor's context,
  /// as certain dialogs or sheets open additional nested dialogs or sheets with their own contexts.
  /// Hence, this process needs to be repeated for every dialog / sheet until the DartBlockEditor's
  /// context is reached.
  if (isLargeScreen) {
    await showDialog(
      context: context,
      barrierDismissible: true,
      builder: (dialogContext) => NotificationListener<DartBlockNotification>(
        onNotification: (notification) {
          if (onReceiveDartBlockNotification != null) {
            onReceiveDartBlockNotification(notification);
          } else {
            notification.dispatch(context);
          }
          return true;
        },
        child: Dialog(
          child: ConstrainedBox(
            constraints: const BoxConstraints(maxWidth: 600, maxHeight: 400),
            child: SingleChildScrollView(
              child: Padding(
                padding: dialogPadding ?? EdgeInsets.zero,
                child: dialogTitle != null
                    ? Column(
                        mainAxisSize: MainAxisSize.min,
                        crossAxisAlignment: CrossAxisAlignment.start,
                        children: [
                          dialogTitle,
                          const SizedBox(height: 8),
                          Flexible(child: child),
                        ],
                      )
                    : child,
              ),
            ),
          ),
        ),
      ),
    );
  } else {
    showModalBottomSheet(
      isScrollControlled: true,
      clipBehavior: Clip.hardEdge,
      shape: const RoundedRectangleBorder(
        borderRadius: BorderRadius.vertical(top: Radius.circular(16)),
      ),
      context: context,
      builder: (modalContext) {
        return NotificationListener<DartBlockNotification>(
          onNotification: (notification) {
            notification.dispatch(context);
            return true;
          },
          child: SingleChildScrollView(
            child: Padding(
              padding:
                  sheetPadding ??
                  EdgeInsets.only(
                    top: 8,
                    left: 8,
                    right: 8,
                    bottom: 16 + MediaQuery.of(modalContext).viewInsets.bottom,
                  ),
              child: child,
            ),
          ),
        );
      },
    );
  }
}