110 lines
3.4 KiB
Dart
110 lines
3.4 KiB
Dart
import 'package:animated_size_and_fade/animated_size_and_fade.dart';
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import 'package:flutter/material.dart';
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import '../../services/kanji_suggestions.dart';
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import 'kanji_search_body/kanji_grid.dart';
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import 'kanji_search_body/kanji_search_bar.dart';
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import 'kanji_search_body/kanji_search_options_bar.dart';
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class KanjiSearchBody extends StatefulWidget {
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const KanjiSearchBody({Key? key}) : super(key: key);
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@override
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_KanjiSearchBodyState createState() => _KanjiSearchBodyState();
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}
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class _KanjiSearchBodyState extends State<KanjiSearchBody>
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with SingleTickerProviderStateMixin {
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late final AnimationController _controller;
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late final Animation _searchbarMovementAnimation;
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final FocusNode focus = FocusNode();
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final GlobalKey<KanjiSearchBarState> _kanjiSearchBarState =
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GlobalKey<KanjiSearchBarState>();
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List<String> suggestions = [];
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@override
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void initState() {
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super.initState();
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_controller = AnimationController(
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vsync: this,
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duration: const Duration(milliseconds: 200),
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);
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_searchbarMovementAnimation = AlignmentTween(
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begin: Alignment.center,
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end: Alignment.topCenter,
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).animate(
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CurvedAnimation(
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parent: _controller,
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curve: Curves.easeInOut,
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),
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);
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}
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@override
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void dispose() {
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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 WillPopScope(
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onWillPop: () async {
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if (_controller.value == 1) {
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focus.unfocus();
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_kanjiSearchBarState.currentState!.clearText();
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return false;
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}
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return true;
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},
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child: InkWell(
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onTap: () => FocusScope.of(context).unfocus(),
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child: Container(
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decoration: const BoxDecoration(),
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alignment: Alignment.center,
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padding: const EdgeInsets.symmetric(horizontal: 20),
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child: AnimatedBuilder(
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animation: _searchbarMovementAnimation,
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builder: (context, _) {
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return Container(
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alignment: _searchbarMovementAnimation.value,
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padding: const EdgeInsets.symmetric(vertical: 10.0),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Focus(
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focusNode: focus,
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onFocusChange: (hasFocus) {
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if (hasFocus)
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_controller.forward();
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else
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_controller.reverse();
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},
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child: KanjiSearchBar(
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key: _kanjiSearchBarState,
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onChanged: (text) => setState(() {
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suggestions = kanjiSuggestions(text);
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}),
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),
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),
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const SizedBox(height: 20),
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AnimatedSizeAndFade(
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fadeDuration: const Duration(milliseconds: 200),
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sizeDuration: const Duration(milliseconds: 300),
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child: _controller.value == 1
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? KanjiGrid(suggestions: suggestions)
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: const KanjiSearchOptionsBar(),
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),
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],
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),
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);
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},
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),
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),
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),
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);
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}
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}
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