Jisho-Study-Tool/lib/components/kanji/kanji_search_body/kanji_search_bar.dart

68 lines
1.7 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
class KanjiSearchBar extends StatefulWidget {
final Function(String)? onChanged;
const KanjiSearchBar({this.onChanged, Key? key}) : super(key: key);
@override
KanjiSearchBarState createState() => KanjiSearchBarState();
}
enum TextFieldButton { clear, paste }
class KanjiSearchBarState extends State<KanjiSearchBar> {
final TextEditingController textController = TextEditingController();
TextFieldButton button = TextFieldButton.paste;
@override
void initState() {
super.initState();
}
void onChanged() => widget.onChanged?.call(textController.text);
void clearText() {
textController.text = '';
onChanged();
}
Future<void> pasteText() async {
final ClipboardData? clipboardData = await Clipboard.getData('text/plain');
if (clipboardData != null && clipboardData.text != null) {
textController.text = clipboardData.text!;
onChanged();
}
}
@override
Widget build(BuildContext context) {
final IconButton clearButton = IconButton(
icon: const Icon(Icons.clear),
onPressed: () => clearText(),
);
final IconButton pasteButton = IconButton(
icon: const Icon(Icons.content_paste),
onPressed: () => pasteText(),
);
return TextField(
controller: textController,
onChanged: (text) => onChanged(),
onSubmitted: (_) => {},
decoration: InputDecoration(
prefixIcon: const Icon(Icons.search),
hintText: 'Search',
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(10.0),
),
isDense: false,
suffixIcon:
(button == TextFieldButton.clear) ? clearButton : pasteButton,
),
);
}
}