/// <summary>
/// Plays previous song in the playlist.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Previous_Click(object sender, EventArgs e)
{
try
{
if (!_shuffle)
{
int _tmpIndex = _currentSongPLaylistIndex;
if (_currentSongPLaylistIndex <= 0 && _repeatFolder)
{
_currentSongPLaylistIndex = PlayList.Items.Count;
}
PlayList.SetSelected(_tmpIndex, false);
PlayList.SetSelected(--_currentSongPLaylistIndex, true);
}
else
{
Shuffling();
}
this.Play_Click(sender, e);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
/// <summary>
/// Retrieves the folder.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void FolderSongs_Click(object sender, EventArgs e)
{
PlayList.Items.Clear();
string path = string.Empty;
if (FolderSong.ShowDialog() == DialogResult.OK)
{
path = FolderSong.SelectedPath;
}
if (string.IsNullOrEmpty(path))
{
return;
}
_mp3PlayList.PathFolder = path;
IList <string> list = _mp3PlayList.Read;
for (int i = 0; i < list.Count; i++)
{
PlayList.Items.Add(list[i]);
}
try
{
PlayList.SetSelected(_currentSongPLaylistIndex, true);
this.Play_Click(sender, e);
}
catch (ArgumentOutOfRangeException)
{
MessageBox.Show("You don't have any songs in this folder.", "Files hasn't been found.",
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
/// <summary>
/// This method shuffles songs then sets to playlist.
/// </summary>
private void Shuffling()
{
PlayList.SetSelected(_currentSongPLaylistIndex, false);
int _playListLength = PlayList.Items.Count;
Random _rand = new Random();
_currentSongPLaylistIndex = _rand.Next(_playListLength);
//It rerolls if an song is the same as the last song.
while (_lastSong == _currentSongPLaylistIndex)
{
_currentSongPLaylistIndex = _rand.Next(_playListLength);
}
PlayList.SetSelected(_currentSongPLaylistIndex, true);
}
