/// <summary>
/// 双击歌曲项或右键点击播放
/// </summary>
/// <param name="listBox"></param>
private void DouClickSongItemExecute(Selector listBox) //由于PlayListItem在子类中无法改变，故放于此
{
var songListItem = listBox.SelectedItem as SongListStyle;
if (songListItem != null)
{
var targetSong = SongListModel.GetPlayingSong(songListItem.Song.Path);
if (!targetSong.Equals(PlayingSong))
{
PlayingSong = targetSong;
}
//PlayingSong = SongListModel.GetPlayingSong(songListItem.Song.Path);
}
PlayListItem.Clear();
PlayListItem = new List <SongListStyle>(InitialSongs);
IsPlayListChanged = true; //播放列表被修改
PlayingListModel.ClearPlayingList();
PlayingListModel.SavePlayingList(PlayListItem.Select(i => i.Song).ToList());
if (ControlService.PlayState != PlayState.播放)
{
ControlService.PlayState = PlayState.播放;
}
else
{
ControlService.PlayService.MediaPlayer.Play();
}
}
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
}
}
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);
}
/// <summary> 播放选中标签的歌曲 </summary>
private void PlaySongExecute()
{
PlayListItem.Clear();
var songList = InitialSongs.Select(i => i.Song).ToList();
PlayListItem = SongListModel.InitialSongList(songList);
IsPlayListChanged = true;
PlayingListModel.ClearPlayingList();
PlayingListModel.SavePlayingList(songList);
if (ControlService.PlayState != PlayState.播放)
{
ControlService.PlayState = PlayState.播放;
}
}
private void ClearExecute()
{
PlayListItem = new List <SongListStyle>();
PlayingSong = new Song();
PlayingListModel.ClearPlayingList();
}