void MainWindow_Closing(object sender, CancelEventArgs e)
{
try
{
var writer = new StreamWriter($"{AppDomain.CurrentDomain.BaseDirectory}PlayList\\History.txt");
writer.WriteLine(SongLists.Count); // số lượng bài hát
writer.WriteLine(index); // bài hát đang phát
writer.WriteLine(sTimerMusic.Value); // Time hát
for (int i = 0; i < SongLists.Count; i++)
{
writer.Write($"{SongLists[i].Path}");
writer.WriteLine("");
}
writer.Close();
SongLists.Clear();
foreach (var item in WishLists)
{
SongLists.Add(item);
}
SaveList("WishList.txt");
}
catch { }
}
// 删除一个歌单
public void DeleteSongList(SongList songList)
{
SongsInList.Remove(songList.Name);
SongLists.Remove(songList);
DBManager.DeleteSongList(songList.Name);
if (ClickedListName == songList.Name)
{
mySongListVM.SongsInClickedList.Clear();
}
}
// 新建歌单
public void CreateSongList(string listName)
{
if (IsNameValid(listName))
{
SongsInList.Add(listName, new ObservableCollection <Song>());
SongLists.Add(new SongList(listName, 0));
// 在数据库中对SongLists插入新纪录，创建新表
DBManager.CreateSongList(listName);
}
else
{
// 提示用户输入的歌单名不合法或重复
}
}
public MainViewModel()
{
player = _container.GetService <IPlayer>();
//注册新增歌单消息
Messenger.Default.Register <SongList>(this, new Action <SongList>((p) =>
{
SongLists.Add(p);
}
));
//注册进度条委托
player.ProgressChanged += (p) =>
{
AudioProgress = p;
};
//加载默认歌单
string configPath = System.IO.Path.Combine(System.Environment.CurrentDirectory, (string)Properties.Settings.Default["DefaultSongListConfig"]);
if (File.Exists(configPath))
{
string config = File.ReadAllText(configPath);
SongLists = JsonConvert.DeserializeObject <List <SongList> >(config);
}
}
