import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';

import '../widgets/buttons/custom_elevated_button.dart';

class CustomSearchBar extends StatefulWidget {
  final Function(String)? onChanged;
  final VoidCallback onTap;
  const CustomSearchBar({super.key, this.onChanged,required this.onTap});

  @override
  State<CustomSearchBar> createState() => _SearchBarState();
}

class _SearchBarState extends State<CustomSearchBar> {
  late TextEditingController _controller;
  /// 输入框焦点
  FocusNode focusNode = FocusNode();
  String _text = '';

  @override
  void initState() {
    super.initState();
    _controller = TextEditingController(text: _text);
  }


  @override
  Widget build(BuildContext context) {

    return Container(
      constraints: BoxConstraints(maxWidth: double.infinity, minHeight: 10),
      decoration: BoxDecoration(color: Colors.grey[400],),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.start,
        children: [
          TextButton(onPressed: () {}, child: Text('物料号')),
          Expanded(
              child: TextField(
                focusNode: focusNode,
                onTapOutside: (e) => {focusNode.unfocus()},
                controller: _controller,
                onChanged: widget.onChanged,
                decoration: InputDecoration(
                  hintText: '扫码 / 输入',
                  border: InputBorder.none,
                  suffixIcon: IconButton(
                    icon: Icon(Icons.cancel),
                    onPressed: () {
                      setState(() {
                        _text = '';
                        _controller.clear();
                      });
                    },
                  ),
                ),
          )),
          SizedBox(width: 10),
          CEBtn(title: '提取', type: Type.second, onPressed: widget.onTap),
          SizedBox(width: 10)
        ],
      ),
    );
  }
}