forked from piaocbn2j/MTMusic
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507 lines
18 KiB
507 lines
18 KiB
import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import 'package:music_player_miao/common_widget/Song_widegt.dart';
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import '../../common/download_manager.dart';
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import '../../view_model/home_view_model.dart';
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import '../music_view.dart';
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class MyDownloadView extends StatefulWidget {
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const MyDownloadView({super.key});
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@override
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State<MyDownloadView> createState() => _MyDownloadViewState();
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}
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class _MyDownloadViewState extends State<MyDownloadView> {
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final listVM = Get.put(HomeViewModel());
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bool _isSelectMode = false;
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final List<bool> _mySongListSelections = List.generate(2, (index) => false);
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List<bool> _selectedItems = [];
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List<Song> _songs = [];
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final downloadManager = Get.put(DownloadManager());
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@override
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void initState() {
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super.initState();
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_getSongs();
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}
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void _toggleSelectMode() {
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setState(() {
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_isSelectMode = !_isSelectMode;
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if (!_isSelectMode) {
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_selectedItems = List.generate(_songs.length, (index) => false);
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}
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});
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}
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void _getSongs() async {
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setState(() {
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_songs = downloadManager.getLocalSongs();
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_selectedItems = List.generate(_songs.length, (index) => false);
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});
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}
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void _selectAll() {
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setState(() {
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_selectedItems = List.generate(_songs.length, (index) => true);
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});
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}
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void _deleteSongs(List<bool> selectedItems) {
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// List<Song> songsToDelete = [];
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for (int i = 0; i < selectedItems.length; i++) {
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if (selectedItems[i]) {
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// songsToDelete.add(_songs[i]);
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downloadManager.removeSong(_songs[i].id);
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}
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}
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// 重新加载歌曲列表
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_getSongs();
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}
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void _deleteSong(int index) {
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downloadManager.removeSong(_songs[index].id);
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_getSongs();
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}
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void _showSelectionDialog() {
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showDialog(
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context: context,
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builder: (BuildContext context) {
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return AlertDialog(
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(10),
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),
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title: Row(
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children: [
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const Text(
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"添加到",
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),
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Text(
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'(${_selectedItems.where((item) => item).length} 首)',
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style: const TextStyle(color: Color(0xff429482), fontSize: 16),
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)
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],
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),
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content: SingleChildScrollView(
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physics: const BouncingScrollPhysics(),
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child: Column(
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children: [
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for (int i = 0; i < _mySongListSelections.length; i++)
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_buildSongListTile(i),
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],
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),
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),
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actions: [
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TextButton(
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onPressed: () {
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Navigator.of(context).pop();
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},
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style: TextButton.styleFrom(
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backgroundColor: const Color(0xff429482),
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minimumSize: const Size(130, 50),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(5.0),
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),
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),
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child: const Text(
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"取消",
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style: TextStyle(color: Colors.white),
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),
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),
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TextButton(
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onPressed: () {},
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style: TextButton.styleFrom(
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backgroundColor: const Color(0xff429482),
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minimumSize: const Size(130, 50),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(5.0),
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),
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),
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child: const Text(
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"保存",
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style: TextStyle(color: Colors.white),
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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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Widget _buildSongListTile(int index) {
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return ListTile(
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title: Text("我的歌单 $index"),
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trailing: Checkbox(
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value: _mySongListSelections[index],
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onChanged: (value) {
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setState(() {
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_mySongListSelections[index] = value ?? false;
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});
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},
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shape: const CircleBorder(),
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activeColor: const Color(0xff429482),
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),
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onTap: () {
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setState(() {
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_mySongListSelections[index] = !_mySongListSelections[index];
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});
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},
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);
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}
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@override
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Widget build(BuildContext context) {
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return Container(
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decoration: const BoxDecoration(
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image: DecorationImage(
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image: AssetImage("assets/img/app_bg.png"),
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fit: BoxFit.cover,
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),
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),
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child: Scaffold(
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backgroundColor: Colors.transparent,
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appBar: AppBar(
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backgroundColor: Colors.transparent,
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centerTitle: true,
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elevation: 0,
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leading: !_isSelectMode
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? IconButton(
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onPressed: () {
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Get.back(result: true);
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},
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icon: Image.asset(
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"assets/img/back.png",
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width: 25,
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height: 25,
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fit: BoxFit.contain,
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),
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)
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: TextButton(
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onPressed: _selectAll,
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style: TextButton.styleFrom(
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foregroundColor: Colors.black,
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minimumSize: const Size(50, 40), // 设置最小宽度，确保文字有足够空间
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padding:
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const EdgeInsets.symmetric(horizontal: 8), // 添加水平内边距
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),
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child: const Text(
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'全选',
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style: TextStyle(fontSize: 18),
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),
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),
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title: _isSelectMode
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? Text(
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'已选中 ${_selectedItems.where((item) => item).length} 首歌曲',
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style: const TextStyle(
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color: Colors.black,
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),
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)
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: const Text(
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'本地下载',
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style: TextStyle(color: Colors.black),
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),
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actions: [
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if (_isSelectMode)
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TextButton(
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onPressed: () {
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setState(() {
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_isSelectMode = false;
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_selectedItems = List.generate(_songs.length, (index) => false);
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});
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},
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child: const Text(
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"完成",
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style: TextStyle(color: Colors.black, fontSize: 18),
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))
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],
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),
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body: Container(
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padding: const EdgeInsets.only(left: 10),
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decoration: const BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.vertical(top: Radius.circular(30)),
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),
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child: Column(
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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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Row(
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children: [
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IconButton(
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onPressed: _songs.isEmpty ? null : () {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => MusicView(
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songList: _songs,
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initialSongIndex: 0,
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onSongStatusChanged: (index, isCollected, isLiked) {
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setState(() {
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// 更新父组件中的数据
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_songs[index].collection = isCollected;
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_songs[index].likes = isLiked;
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downloadManager.updateSongInfo(_songs[index].id, isCollected, isLiked);
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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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icon: Image.asset(
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"assets/img/button_play.png",
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width: 20,
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height: 20,
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),
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),
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const Text(
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'播放全部',
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style: TextStyle(fontSize: 16),
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),
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const SizedBox(
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width: 5,
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),
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Text(
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'${_songs.length}',
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style: TextStyle(fontSize: 16),
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),
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],
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),
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IconButton(
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onPressed: _songs.isEmpty ? null : _toggleSelectMode,
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icon: Image.asset(
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"assets/img/list_op.png",
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width: 20,
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height: 20,
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),
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),
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],
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),
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Expanded(
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child: ListView.builder(
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itemCount: _songs.length,
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itemBuilder: (BuildContext context, int index) {
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final song = _songs[index];
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return Container(
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padding: const EdgeInsets.symmetric(vertical: 5.0),
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child: ListTile(
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leading: _isSelectMode
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? Checkbox(
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value: _selectedItems[index],
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onChanged: (value) {
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setState(() {
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_selectedItems[index] = value!;
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});
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},
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shape: const CircleBorder(),
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activeColor: const Color(0xff429482),
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)
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: null,
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title: Text('${song.title} - ${song.artist}'),
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trailing: _isSelectMode
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? null
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: IconButton(
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icon: const Icon(Icons.more_vert),
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onPressed: () {
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_bottomSheet(context, index);
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},
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),
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// 添加点击事件
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onTap: _isSelectMode
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? () {
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// 在选择模式下点击整行触发复选框
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setState(() {
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_selectedItems[index] =
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!_selectedItems[index];
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});
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}
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: () {
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// 非选择模式下跳转到播放页面
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => MusicView(
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songList: _songs,
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initialSongIndex: index,
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onSongStatusChanged: (index, isCollected, isLiked) {
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setState(() {
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// 更新父组件中的数据
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_songs[index].collection = isCollected;
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_songs[index].likes = isLiked;
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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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],
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),
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),
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bottomNavigationBar: _isSelectMode
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? BottomAppBar(
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height: 140, // 增加 BottomAppBar 的高度
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child: SingleChildScrollView(
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// 使用 SingleChildScrollView 包装内容
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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Padding(
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padding: const EdgeInsets.symmetric(vertical: 8),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceAround,
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children: [
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// 左半边 "添加到" 按钮
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Expanded(
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child: InkWell(
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onTap: () {
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_showSelectionDialog();
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},
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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SizedBox(
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width: 25,
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height: 25,
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child: Image.asset("assets/img/add.png"),
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),
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const SizedBox(width: 4),
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const Text("添加到"),
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],
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),
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),
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),
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// 中间分隔线
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Container(
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height: 50,
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width: 2,
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color: const Color(0xff429482),
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),
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// 右半边 "删除" 按钮
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Expanded(
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child: InkWell(
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onTap: () {
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_deleteSongs(_selectedItems);
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},
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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SizedBox(
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width: 22,
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height: 22,
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child:
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Image.asset("assets/img/delete.png"),
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),
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const SizedBox(width: 4),
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const Text("删除"),
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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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ElevatedButton(
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onPressed: () {
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setState(() {
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_isSelectMode = false;
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_selectedItems =
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List.generate(_songs.length, (index) => false);
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});
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},
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style: ElevatedButton.styleFrom(
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backgroundColor: const Color(0xff429482),
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padding: const EdgeInsets.symmetric(vertical: 14),
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tapTargetSize: MaterialTapTargetSize.shrinkWrap,
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shape: const RoundedRectangleBorder(
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borderRadius: BorderRadius.zero,
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),
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),
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child: const Text(
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'取消',
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style: TextStyle(color: Colors.black, fontSize: 16),
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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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: null,
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),
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);
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}
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Future _bottomSheet(BuildContext context, int index) {
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return showModalBottomSheet(
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context: context,
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backgroundColor: Colors.white,
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shape: const RoundedRectangleBorder(
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borderRadius: BorderRadius.vertical(top: Radius.circular(30))),
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builder: (context) => Container(
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height: 150,
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padding: const EdgeInsets.only(top: 20),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceEvenly,
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children: [
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Column(
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children: [
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IconButton(
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onPressed: () {
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_deleteSong(index);
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Navigator.pop(context);
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},
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icon: Image.asset("assets/img/list_remove.png"),
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iconSize: 60,
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),
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const Text("删除")
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],
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),
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Column(
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children: [
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IconButton(
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onPressed: () {},
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icon: Image.asset("assets/img/list_collection.png"),
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iconSize: 60,
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),
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const Text("收藏")
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],
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),
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Column(
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children: [
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IconButton(
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onPressed: () {},
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icon: Image.asset("assets/img/list_good.png"),
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iconSize: 60,
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),
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const Text("点赞")
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],
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),
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Column(
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children: [
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IconButton(
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onPressed: () {},
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icon: Image.asset("assets/img/list_comment.png"),
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iconSize: 60,
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),
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const Text("评论")
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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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