Reboot-Launcher/gui/lib/src/widget/file_setting_tile.dart

import 'dart:io';

import 'package:fluent_ui/fluent_ui.dart' hide FluentIcons;
import 'package:fluentui_system_icons/fluentui_system_icons.dart';
import 'package:reboot_launcher/src/util/translations.dart';
import 'package:reboot_launcher/src/widget/file_selector.dart';
import 'package:reboot_launcher/src/widget/setting_tile.dart';

SettingTile createFileSetting({required String title, required String description, required TextEditingController controller}) => SettingTile(
    icon: Icon(
        FluentIcons.document_24_regular
    ),
    title: Text(title),
    subtitle: Text(description),
    content: FileSelector(
        placeholder: translations.selectPathPlaceholder,
        windowTitle: translations.selectPathWindowTitle,
        controller: controller,
        validator: _checkDll,
        extension: "dll",
        folder: false,
        validatorMode: AutovalidateMode.always
    )
);

String? _checkDll(String? text) {
    if (text == null || text.isEmpty) {
        return translations.invalidDllPath;
    }

    final file = File(text);
    if (!file.existsSync()) {
        return translations.dllDoesNotExist;
    }

    if (!text.endsWith(".dll")) {
        return translations.invalidDllExtension;
    }

    return null;
}