137 lines
5.2 KiB
Dart
137 lines
5.2 KiB
Dart
import 'package:flutter/material.dart';
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import '../../app/app_controller.dart';
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import '../../app/app_theme.dart';
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import '../../data/json_schedule_import.dart';
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import '../../domain/course.dart';
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class ImportPreview extends StatefulWidget {
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const ImportPreview({
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super.key,
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required this.draft,
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required this.controller,
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});
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final ImportDraft draft;
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final AppController controller;
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@override
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State<ImportPreview> createState() => _ImportPreviewState();
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}
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class _ImportPreviewState extends State<ImportPreview> {
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bool _clearConfirmed = false, _busy = false;
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@override
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Widget build(BuildContext context) {
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final draft = widget.draft, empty = draft.courses.isEmpty;
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final allowed =
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!_busy && (!empty || (draft.explicitlyEmpty && _clearConfirmed));
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return SafeArea(
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child: SingleChildScrollView(
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padding: const EdgeInsets.fromLTRB(24, 8, 24, 28),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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const Text(
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'确认你的课表',
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style: TextStyle(fontSize: 24, fontWeight: FontWeight.w700),
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),
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const SizedBox(height: 8),
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Text(
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'${draft.courses.length} 条课程安排 · ${draft.source == CourseSource.demo ? '示例体验' : '导入预览'}',
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style: const TextStyle(color: river),
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),
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if (draft.semesterLabel != null) Text('学期：${draft.semesterLabel}'),
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const SizedBox(height: 18),
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if (empty)
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Text(draft.explicitlyEmpty ? '此操作会清空当前课表。' : '没有识别到课程，当前课表保持不变。'),
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if (empty && draft.explicitlyEmpty)
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CheckboxListTile(
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value: _clearConfirmed,
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onChanged: (v) => setState(() => _clearConfirmed = v ?? false),
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title: const Text('确认清空当前课表'),
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contentPadding: EdgeInsets.zero,
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),
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for (final c in draft.courses)
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Padding(
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padding: const EdgeInsets.only(bottom: 10),
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child: SurfaceCard(
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padding: const EdgeInsets.all(14),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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c.name,
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style: const TextStyle(fontWeight: FontWeight.w700),
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),
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const SizedBox(height: 5),
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Text(
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'${c.teacher} · ${c.room}',
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style: const TextStyle(fontSize: 12),
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),
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const SizedBox(height: 4),
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Text(
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'周${const ['一', '二', '三', '四', '五', '六', '日'][c.weekday - 1]} · 第 ${c.startPeriod}–${c.endPeriod} 节',
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style: TextStyle(
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fontSize: 12,
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color: ink.withValues(alpha: 0.5),
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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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if (widget.controller.snapshot.settings.semester == null &&
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draft.source != CourseSource.demo)
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const Padding(
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padding: EdgeInsets.only(bottom: 16),
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child: Text(
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'导入后请在设置中选择真实学期开始日，课表与提醒才会显示。',
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style: TextStyle(fontSize: 12, height: 1.6),
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),
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),
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SizedBox(
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width: double.infinity,
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child: FilledButton(
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onPressed: allowed
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? () async {
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setState(() => _busy = true);
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await widget.controller.applyImport(
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draft,
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confirmedEmpty: _clearConfirmed,
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);
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if (!context.mounted) return;
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if (widget.controller.lastError == null) {
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Navigator.pop(context, true);
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} else {
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setState(() => _busy = false);
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(widget.controller.lastError!),
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),
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);
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}
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}
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: null,
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child: Text(
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_busy
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? '正在保存…'
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: draft.source == CourseSource.demo
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? '开始体验'
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: '确认导入',
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),
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),
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),
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const SizedBox(height: 8),
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Center(
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child: TextButton(
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onPressed: _busy ? null : () => Navigator.pop(context, false),
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child: const Text('取消'),
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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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