flutter-template/lib/core/widgets/confirm_dialog.dart

import 'package:flutter/material.dart';

/// 通用确认对话框。
///
/// 用法：
/// ```dart
/// final ok = await ConfirmDialog.show(
///   context,
///   title: '删除确认',
///   message: '确定要删除该记录吗？',
///   confirmLabel: '删除',
///   destructive: true,
/// );
/// if (ok == true) { /* do it */ }
/// ```
class ConfirmDialog extends StatelessWidget {
  const ConfirmDialog({
    super.key,
    required this.title,
    required this.message,
    this.confirmLabel = '确定',
    this.cancelLabel = '取消',
    this.destructive = false,
  });

  final String title;
  final String message;
  final String confirmLabel;
  final String cancelLabel;
  final bool destructive;

  static Future<bool?> show(
    BuildContext context, {
    required String title,
    required String message,
    String confirmLabel = '确定',
    String cancelLabel = '取消',
    bool destructive = false,
  }) {
    return showDialog<bool>(
      context: context,
      builder: (_) => ConfirmDialog(
        title: title,
        message: message,
        confirmLabel: confirmLabel,
        cancelLabel: cancelLabel,
        destructive: destructive,
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    final colorScheme = Theme.of(context).colorScheme;
    return AlertDialog(
      title: Text(title),
      content: Text(message),
      actions: [
        TextButton(
          onPressed: () => Navigator.of(context).pop(false),
          child: Text(cancelLabel),
        ),
        TextButton(
          style: destructive
              ? TextButton.styleFrom(foregroundColor: colorScheme.error)
              : null,
          onPressed: () => Navigator.of(context).pop(true),
          child: Text(confirmLabel),
        ),
      ],
    );
  }
}