immich/mobile/lib/widgets/album/album_viewer_editable_title.dart

import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/material.dart';
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:immich_mobile/extensions/build_context_extensions.dart';
import 'package:immich_mobile/providers/album/album_viewer.provider.dart';

class AlbumViewerEditableTitle extends HookConsumerWidget {
  final String albumName;
  final FocusNode titleFocusNode;
  const AlbumViewerEditableTitle({
    super.key,
    required this.albumName,
    required this.titleFocusNode,
  });

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final albumViewerState = ref.watch(albumViewerProvider);

    final titleTextEditController = useTextEditingController(
      text: albumViewerState.isEditAlbum &&
              albumViewerState.editTitleText.isNotEmpty
          ? albumViewerState.editTitleText
          : albumName,
    );

    void onFocusModeChange() {
      if (!titleFocusNode.hasFocus && titleTextEditController.text.isEmpty) {
        ref.watch(albumViewerProvider.notifier).setEditTitleText("Untitled");
        titleTextEditController.text = "Untitled";
      }
    }

    useEffect(
      () {
        titleFocusNode.addListener(onFocusModeChange);
        return () {
          titleFocusNode.removeListener(onFocusModeChange);
        };
      },
      [],
    );

    return Material(
      color: Colors.transparent,
      child: TextField(
        onChanged: (value) {
          if (value.isEmpty) {
          } else {
            ref.watch(albumViewerProvider.notifier).setEditTitleText(value);
          }
        },
        focusNode: titleFocusNode,
        style: context.textTheme.headlineMedium,
        controller: titleTextEditController,
        onTap: () {
          context.focusScope.requestFocus(titleFocusNode);

          ref.watch(albumViewerProvider.notifier).setEditTitleText(albumName);
          ref.watch(albumViewerProvider.notifier).enableEditAlbum();

          if (titleTextEditController.text == 'Untitled') {
            titleTextEditController.clear();
          }
        },
        decoration: InputDecoration(
          contentPadding:
              const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
          suffixIcon: titleFocusNode.hasFocus
              ? IconButton(
                  onPressed: () {
                    titleTextEditController.clear();
                  },
                  icon: Icon(
                    Icons.cancel_rounded,
                    color: context.primaryColor,
                  ),
                  splashRadius: 10,
                )
              : null,
          enabledBorder: const OutlineInputBorder(
            borderSide: BorderSide(color: Colors.transparent),
          ),
          focusedBorder: const OutlineInputBorder(
            borderSide: BorderSide(color: Colors.transparent),
          ),
          focusColor: Colors.grey[300],
          fillColor: context.scaffoldBackgroundColor,
          filled: titleFocusNode.hasFocus,
          hintText: 'share_add_title'.tr(),
          hintStyle: context.themeData.inputDecorationTheme.hintStyle?.copyWith(
            fontSize: 28,
          ),
        ),
      ),
    );
  }
}