63 lines
1.5 KiB
Dart
63 lines
1.5 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:recording_tool/core/utils/rate_limiter.dart';
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class AppSearchBar extends StatefulWidget {
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const AppSearchBar({
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super.key,
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this.hint = '搜索',
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this.onChanged,
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this.onSubmitted,
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this.debounceDuration = const Duration(milliseconds: 300),
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});
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final String hint;
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final ValueChanged<String>? onChanged;
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final ValueChanged<String>? onSubmitted;
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final Duration debounceDuration;
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@override
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State<AppSearchBar> createState() => _AppSearchBarState();
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}
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class _AppSearchBarState extends State<AppSearchBar> {
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final _controller = TextEditingController();
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final _rateLimit = RateLimitHub();
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@override
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void dispose() {
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_rateLimit.clear();
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_controller.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return SearchBar(
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controller: _controller,
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hintText: widget.hint,
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leading: const Icon(Icons.search),
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trailing: [
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if (_controller.text.isNotEmpty)
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IconButton(
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tooltip: '清除',
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onPressed: () {
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setState(_controller.clear);
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widget.onChanged?.call('');
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},
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icon: const Icon(Icons.close),
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),
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],
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onChanged: (value) {
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setState(() {});
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_rateLimit.debounce<String>(
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key: 'search',
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value: value,
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duration: widget.debounceDuration,
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onCallback: (text) => widget.onChanged?.call(text),
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);
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},
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onSubmitted: widget.onSubmitted,
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);
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}
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}
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