365 lines
11 KiB
Dart
365 lines
11 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import '../../core/theme/tokens.dart';
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import '../../core/ui/play_banner.dart';
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import 'galaxy_data.dart';
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import '../../core/format.dart';
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import '../../core/i18n/app_locale.dart';
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/// 갤럭시 검색 — Figma `03_Wireframe` 「Galaxy_검색」(`353:217832`).
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///
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/// 화면 대조 원장 F2 의 11번. 명세 *돋보기 — 검색페이지 이동*.
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///
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/// Figma 검색 화면이 공통으로 갖는 것을 그대로 따랐다 —
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/// 「최근 검색어 / 전체 삭제 / 최근 검색어가 없습니다.」
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class GalaxySearchScreen extends StatefulWidget {
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const GalaxySearchScreen({
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super.key,
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this.repository = const SampleGalaxyRepository(),
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this.onOpen,
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});
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final GalaxyRepository repository;
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/// 결과 줄을 누르면 그 행성 상세로 — 상세 화면 저장소는 부르는 쪽이 안다.
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final void Function(PlanetNode planet)? onOpen;
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@override
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State<GalaxySearchScreen> createState() => _GalaxySearchScreenState();
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}
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class _GalaxySearchScreenState extends State<GalaxySearchScreen> {
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late Future<GalaxySnapshot> _snapshot;
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final _controller = TextEditingController();
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/// 최근 검색어 — 기기에 남긴다(재진입해도 유지). 명세 `523:18429` 「최신순 · 중복 제거」.
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final List<String> _recent = [];
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static const _recentKey = 'galaxyRecentSearches';
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String _query = '';
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/// 전체 행성 검색 결과 — 입력이 멈춘 뒤 서버에 묻는다.
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Future<List<PlanetNode>>? _hits;
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Timer? _debounce;
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@override
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void initState() {
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super.initState();
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_snapshot = widget.repository.load();
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_controller.addListener(_onChanged);
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_loadRecent();
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}
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Future<void> _loadRecent() async {
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try {
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final saved = (await SharedPreferences.getInstance()).getStringList(_recentKey);
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if (mounted && saved != null) setState(() => _recent..clear()..addAll(saved));
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} catch (_) {
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// 기기 저장소를 못 쓰면 이번 화면 안에서만 기억한다.
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}
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}
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Future<void> _saveRecent() async {
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try {
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await (await SharedPreferences.getInstance()).setStringList(_recentKey, _recent);
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} catch (_) {}
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}
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void _onChanged() {
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if (_controller.text == _query) return;
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setState(() => _query = _controller.text);
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_debounce?.cancel();
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_debounce = Timer(const Duration(milliseconds: 300), () {
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if (!mounted) return;
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final q = _query.trim();
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setState(() {
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_hits = q.isEmpty ? null : _search(q);
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});
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});
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}
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/// 서버 결과에 맵 스냅샷의 순위를 입힌다 — 맵 상위에 있는 행성은 같은 순위로 보인다.
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Future<List<PlanetNode>> _search(String q) async {
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final hits = await widget.repository.search(q);
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final known = {for (final p in (await _snapshot).planets) p.id: p};
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return [for (final h in hits) known[h.id] ?? h];
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}
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@override
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void dispose() {
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_debounce?.cancel();
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_controller.dispose();
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super.dispose();
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}
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void _submit(String q) {
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final term = q.trim();
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if (term.isEmpty) return;
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setState(() {
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_recent
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..remove(term)
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..insert(0, term);
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if (_recent.length > 10) _recent.removeLast();
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});
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_saveRecent();
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}
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@override
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Widget build(BuildContext context) => Scaffold(
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// 시안 `Top Navigation`(54 · 좌우 16) — 뒤로 42 + 검색 칸 #282828 r10 높이 42.
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appBar: AppBar(
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toolbarHeight: 54,
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automaticallyImplyLeading: false,
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titleSpacing: 16,
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centerTitle: false,
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title: Row(
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children: [
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const SizedBox.square(dimension: 42, child: BackButton()),
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Expanded(
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child: Container(
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height: 42,
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padding: const EdgeInsets.symmetric(horizontal: 12),
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decoration: BoxDecoration(
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color: const Color(0xFF282828),
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borderRadius: BorderRadius.circular(10),
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),
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child: Row(
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children: [
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Image.asset(
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'assets/figma/icon-search-20.png',
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width: 20,
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height: 20,
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),
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const SizedBox(width: 6),
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Expanded(
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child: TextField(
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controller: _controller,
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autofocus: true,
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textInputAction: TextInputAction.search,
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onSubmitted: _submit,
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style: _t(16, AppColors.onCosmic, FontWeight.w500, 1.4),
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decoration: InputDecoration(
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hintText: context.l10n.galaxySearchHint,
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hintStyle: _t(
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16,
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const Color(0xFF6E6E6E),
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FontWeight.w500,
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1.4,
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),
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border: InputBorder.none,
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enabledBorder: InputBorder.none,
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focusedBorder: InputBorder.none,
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filled: false,
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isDense: true,
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contentPadding: EdgeInsets.zero,
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),
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),
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),
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if (_query.isNotEmpty)
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GestureDetector(
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onTap: _controller.clear,
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child: const Icon(
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Icons.close,
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size: 18,
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color: Color(0xFF6E6E6E),
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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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body: SafeArea(
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child: FutureBuilder<GalaxySnapshot>(
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future: _snapshot,
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builder: (context, snap) {
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if (snap.connectionState != ConnectionState.done) {
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return const Center(child: CircularProgressIndicator());
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}
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if (_query.trim().isEmpty) {
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return _Recent(
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terms: _recent,
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onClear: () {
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setState(_recent.clear);
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_saveRecent();
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},
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onPick: (t) {
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_controller.text = t;
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_submit(t);
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},
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);
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}
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return FutureBuilder<List<PlanetNode>>(
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future: _hits,
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builder: (context, result) {
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if (_hits == null ||
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result.connectionState != ConnectionState.done) {
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return const Center(child: CircularProgressIndicator());
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}
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final hits = result.data ?? const <PlanetNode>[];
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if (hits.isEmpty) return const _NoHit();
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return ListView.separated(
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padding: const EdgeInsets.all(AppSpace.s4),
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itemCount: hits.length,
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separatorBuilder: (_, _) =>
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const SizedBox(height: AppSpace.s2),
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itemBuilder: (context, i) => _Hit(
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planet: hits[i],
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onTap: widget.onOpen == null
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? null
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: () => widget.onOpen!(hits[i]),
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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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TextStyle _t(double size, Color color, FontWeight weight, double height) =>
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TextStyle(
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fontFamily: AppFonts.body,
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fontSize: size,
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fontWeight: weight,
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height: height,
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color: color,
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);
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/// 최근 검색어 — 시안 `Frame 4241`(안쪽 16 · 간격 24): 배너, 「최근 검색어 16/600 ·
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/// 전체 삭제 14/500 #c2c2c2」, 비었으면 140 칸 가운데 「최근 검색어가 없습니다.」 14/600 #6e6e6e.
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class _Recent extends StatelessWidget {
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const _Recent({
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required this.terms,
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required this.onClear,
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required this.onPick,
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});
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final List<String> terms;
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final VoidCallback onClear;
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final ValueChanged<String> onPick;
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@override
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Widget build(BuildContext context) => ListView(
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// 시안 배너만 좌우 9(357 폭), 나머지는 16.
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padding: const EdgeInsets.fromLTRB(9, 16, 9, 16),
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children: [
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const PlayBanner(),
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const SizedBox(height: 24),
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 7),
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child: _body(context),
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),
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],
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);
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Widget _body(BuildContext context) => Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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context.l10n.commonRecentSearches,
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style: _t(16, AppColors.onCosmic, FontWeight.w600, 20 / 16),
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),
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GestureDetector(
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onTap: onClear,
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child: Text(
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context.l10n.commonClearAll,
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style: _t(14, const Color(0xFFC2C2C2), FontWeight.w500, 20 / 14),
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),
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),
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],
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),
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const SizedBox(height: AppSpace.s4),
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if (terms.isEmpty)
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SizedBox(
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height: 140,
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child: Center(
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child: Text(
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context.l10n.commonNoRecentSearches,
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style: _t(14, const Color(0xFF6E6E6E), FontWeight.w600, 20 / 14),
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),
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),
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)
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else
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Wrap(
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spacing: AppSpace.s2,
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runSpacing: AppSpace.s2,
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children: [
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for (final term in terms)
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ActionChip(label: Text(term), onPressed: () => onPick(term)),
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],
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),
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],
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);
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}
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class _NoHit extends StatelessWidget {
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const _NoHit();
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@override
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Widget build(BuildContext context) => Center(
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child: Padding(
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padding: const EdgeInsets.all(AppSpace.s5),
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child: Text(
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context.l10n.galaxyNoHit,
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style: Theme.of(context).textTheme.bodySmall,
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textAlign: TextAlign.center,
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),
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),
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);
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}
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class _Hit extends StatelessWidget {
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const _Hit({required this.planet, this.onTap});
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final PlanetNode planet;
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final VoidCallback? onTap;
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@override
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Widget build(BuildContext context) {
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final t = Theme.of(context).textTheme;
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return GestureDetector(
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behavior: HitTestBehavior.opaque,
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onTap: onTap,
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child: Container(
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padding: const EdgeInsets.all(AppSpace.s4),
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decoration: BoxDecoration(
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color: AppColors.cosmicSurfaceContainer,
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borderRadius: BorderRadius.circular(AppRadius.md),
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),
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child: Row(
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children: [
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Text(
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planet.rankLabel,
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style: t.titleMedium?.copyWith(color: AppColors.cosmicAccent),
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),
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const SizedBox(width: AppSpace.s4),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(planet.name, style: t.bodyMedium),
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Text(
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context.l10n.galaxyMembers(formatPop(planet.members)),
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style: t.labelSmall,
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),
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],
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),
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),
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Text('FPI ${formatPop(planet.fpi)}', style: t.bodySmall),
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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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