Fladder/lib/widgets/shared/modal_bottom_sheet.dart

import 'package:flutter/material.dart';

import 'package:flutter_riverpod/flutter_riverpod.dart';

import 'package:fladder/models/item_base_model.dart';
import 'package:fladder/theme.dart';
import 'package:fladder/util/fladder_image.dart';

Future<void> showBottomSheetPill({
  ItemBaseModel? item,
  bool showPill = true,
  Function()? onDismiss,
  EdgeInsets padding = const EdgeInsets.all(16),
  required BuildContext context,
  required Widget Function(
    BuildContext context,
    ScrollController scrollController,
  ) content,
}) async {
  await showModalBottomSheet(
    isScrollControlled: true,
    backgroundColor: Colors.transparent,
    useRootNavigator: true,
    enableDrag: true,
    context: context,
    builder: (context) {
      final controller = ScrollController();
      return ConstrainedBox(
        constraints: BoxConstraints(
          maxHeight: MediaQuery.sizeOf(context).height * 0.85,
        ),
        child: Padding(
          padding: const EdgeInsets.symmetric(horizontal: 8).add(MediaQuery.paddingOf(context)),
          child: Card(
            shape: RoundedRectangleBorder(
              borderRadius: FladderTheme.largeShape.borderRadius,
            ),
            child: Column(
              mainAxisSize: MainAxisSize.min,
              children: [
                Padding(
                  padding: const EdgeInsets.symmetric(vertical: 16),
                  child: Container(
                    height: 8,
                    width: 35,
                    decoration: BoxDecoration(
                      color: Theme.of(context).colorScheme.onSurface,
                      borderRadius: FladderTheme.largeShape.borderRadius,
                    ),
                  ),
                ),
                Flexible(
                  child: ListView(
                    shrinkWrap: true,
                    controller: controller,
                    children: [
                      if (item != null) ...{
                        Padding(
                          padding: const EdgeInsets.symmetric(horizontal: 12),
                          child: ItemBottomSheetPreview(item: item),
                        ),
                        const Divider(),
                      },
                      content(context, ScrollController()),
                    ],
                  ),
                ),
              ],
            ),
          ),
        ),
      );
    },
  );
  onDismiss?.call();
}

class ItemBottomSheetPreview extends ConsumerWidget {
  final ItemBaseModel item;
  const ItemBottomSheetPreview({required this.item, super.key});

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    return Column(
      children: [
        Row(
          children: [
            Card(
              child: SizedBox(
                height: 90,
                child: AspectRatio(
                  aspectRatio: 1,
                  child: FladderImage(
                    image: item.images?.primary,
                    fit: BoxFit.contain,
                  ),
                ),
              ),
            ),
            const SizedBox(width: 16),
            Flexible(
              child: Column(
                mainAxisSize: MainAxisSize.max,
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Text(
                    item.title,
                    maxLines: 2,
                    overflow: TextOverflow.ellipsis,
                    style: Theme.of(context).textTheme.titleLarge,
                  ),
                  if (item.subText?.isNotEmpty ?? false)
                    Opacity(
                      opacity: 0.75,
                      child: Text(
                        item.subText!,
                        overflow: TextOverflow.ellipsis,
                        maxLines: 2,
                        style: Theme.of(context).textTheme.titleMedium,
                      ),
                    ),
                ],
              ),
            ),
          ],
        ),
      ],
    );
  }
}