private void OnDelPlayList(ListBox listBox)
{
var songListItem = listBox.SelectedItem as SongListStyle;
if (songListItem == null)
{
return;
}
var delSong = SongListModel.GetPlayingSong(songListItem.Song.Path);
var songList = PlayListItem.Select(i => i.Song).ToList();
songList.Remove(delSong);
PlayListItem = SongListModel.InitialSongList(songList);
IsPlayListChanged = true;
PlayingListModel.ClearPlayingList();
PlayingListModel.SavePlayingList(songList);
//若删除的歌曲为正在播放的歌曲
if (delSong.Equals(PlayingSong))
{
OnNext(); //播放下一曲
}
}
protected void OnLast()
{
if (PlayListItem == null || PlayListItem.Count == 0)
{
return;
}
var songList = PlayListItem.Select(i => i.Song).ToList();
var playingIndex = songList.IndexOf(PlayingSong);
if (PlayMode == PlayMode.随机播放 && IsPlayListChanged)
{
PlayModeService.ChangeRandomList(songList);
IsPlayListChanged = false;
}
PlayingSong = PlayModeService.OnLastExecute(PlayMode, songList, playingIndex);
if (ControlService.PlayState != PlayState.播放)
{
ControlService.PlayState = PlayState.播放;
}
else
{
ControlService.PlayService.MediaPlayer.Play();
}
}
private void OnModeChange()
{
PlayMode = PlayModeService.OnModeChange(PlayMode);
if (PlayMode == PlayMode.随机播放)
{
PlayModeService.ChangeRandomList(PlayListItem.Select(i => i.Song).ToList());
}
}
private void OnAddPlayList(ListBox listBox)
{
var songList = PlayListItem.Select(i => i.Song).ToList();
var songListItem = listBox.SelectedItem as SongListStyle;
if (songListItem == null)
{
return;
}
songList.Add(songListItem.Song);
PlayListItem = SongListModel.InitialSongList(songList);
IsPlayListChanged = true;
PlayingListModel.ClearPlayingList();
PlayingListModel.SavePlayingList(songList);
}
private void MediaEnd(object sender, EventArgs e)
{
if (PlayListItem == null || PlayListItem.Count == 0)
{
return;
}
var songList = PlayListItem.Select(i => i.Song).ToList();
var playingIndex = songList.IndexOf(PlayingSong);
if (PlayMode == PlayMode.随机播放 && IsPlayListChanged)
{
PlayModeService.ChangeRandomList(songList);
IsPlayListChanged = false;
}
PlayingSong = PlayModeService.GetNextSong(PlayMode, songList, playingIndex);
ControlService.PlayService.MediaPlayer.Play();
}