private void lstvLibrary_DoubleClick(object sender, EventArgs e)
{
int ctIndex = lstvLibrary.FocusedItem.Index;
currentSong = currentList[ctIndex];
player.URL = currentSong.Path;
timer1.Start();
DisplayTrackInfo(currentSong, lblCurrentlyPlaying);
btnPause.Text = "Pause";
btnNext.Enabled = true;
btnPrevious.Enabled = true;
}
//Display currently playing
private void DisplayTrackInfo(MP3 mp3, Label lbl)
{
if (lbl.InvokeRequired)
{
Action <MP3, Label> action = DisplayTrackInfo;
lbl.Invoke(action, mp3, lbl);
}
else
{
lblCurrentlyPlaying.Text = mp3.ToString();
}
}
//Play / Pause
private void btnPause_Click(object sender, EventArgs e)
{
//If an item in the list is selected...
if (lstvLibrary.SelectedIndices.Count > 0)
{
//And if the selected item is different from the
// currently playing track...
int sindex = lstvLibrary.FocusedItem.Index;
if (currentSong != currentList[sindex])
{
//start the new track
player.URL = currentList[sindex].Path;
//Save reference to current track
currentSong = currentList[sindex];
DisplayTrackInfo(currentSong, lblCurrentlyPlaying);
btnPause.Text = "Pause";
//Restart the timer
timer1.Start();
}
//Otherwise, if a track is playing...
else if (player.controls.get_isAvailable("pause"))
{
//pause the current track
player.controls.pause();
btnPause.Text = "Play";
timer1.Stop();
}
//Else (If the current track is paused
// and the user has not selected a different
// one...
else
{
//play the paused track
player.controls.play();
btnPause.Text = "Pause";
timer1.Start();
}
}
//Play first song in current list
else
{
currentSong = currentList[0];
player.URL = currentSong.Path;
lstvLibrary.Items[0].Focused = true;
lstvLibrary.Items[0].Selected = true;
DisplayTrackInfo(currentSong, lblCurrentlyPlaying);
timer1.Start();
}
lstvLibrary.Focus();
btnNext.Enabled = true;
btnPrevious.Enabled = true;
}
//======================================================================================
//=====================================METHODS==========================================
//======================================================================================
//Select folder to add contents to a List
public void AddFolderToLibrary()
{
FolderBrowserDialog dialog = new FolderBrowserDialog();
//open window and execute when user selects "ok"
if (dialog.ShowDialog() == DialogResult.OK)
{
//save folder path
string folder = dialog.SelectedPath;
//save all paths of mp3 files within the selected folder
string[] mp3Paths = Directory.GetFiles(folder, "*.mp3", SearchOption.AllDirectories);
//loop through files at saved paths and...
foreach (string path in mp3Paths)
{
//access and save mp3 metadata...
TagLib.File f = TagLib.File.Create(path);
if (f.Tag.Performers.Count() > 0 &&
f.Tag.Genres.Count() > 0)
{
string title = f.Tag.Title;
string artist = f.Tag.Performers[0];
string album = f.Tag.Album;
uint track = f.Tag.Track;
uint year = f.Tag.Year;
string genre = f.Tag.Genres[0];
string filepath = path;
//to create mp3 objects...
MP3 mp3 = new MP3(title, artist, album, track, year, genre, filepath);
//that will be saved to the library list
mp3Library.Add(mp3);
}
else if (f.Tag.Genres.Count() < 1)
{
string title = f.Tag.Title;
string artist = f.Tag.Performers[0];
string album = f.Tag.Album;
uint track = f.Tag.Track;
uint year = f.Tag.Year;
string genre = "N/A";
string filepath = path;
//to create mp3 objects...
MP3 mp3 = new MP3(title, artist, album, track, year, genre, filepath);
//that will be saved to the library list
mp3Library.Add(mp3);
}
}
}
}
//Read List from BinaryFile
private void ReadLibraryFromBinaryFile(List <MP3> lib)
{
if (File.Exists(library))
{
FileStream fs = null;
BinaryReader br = null;
try
{
fs = new FileStream(library, FileMode.Open, FileAccess.Read);
br = new BinaryReader(fs);
while (br.BaseStream.Position != br.BaseStream.Length)
{
string title = br.ReadString();
string artist = br.ReadString();
string album = br.ReadString();
uint track = br.ReadUInt32();
uint year = br.ReadUInt32();
string genre = br.ReadString();
string path = br.ReadString();
MP3 mp3 = new MP3(title, artist, album, track, year, genre, path);
mp3Library.Add(mp3);
}
}
catch (ArgumentException ae)
{
MessageBox.Show(ae.Message);
}
catch (FileNotFoundException fne)
{
MessageBox.Show("Add folders to your music library.\n\n" + fne.Message);
}
catch (IOException ioe)
{
MessageBox.Show(ioe.Message);
}
finally
{
if (fs != null)
{
fs.Close();
}
if (br != null)
{
br.Close();
}
}
}
}
//previous song
private void btnPrevious_Click(object sender, EventArgs e)
{
//When the current track is not the first in the list
if (currentList.IndexOf(currentSong) > 0 &&
player.controls.get_isAvailable("pause"))
{
int ctindex = lstvLibrary.FocusedItem.Index;
//play the previous one
currentSong = currentList[ctindex - 1];
lstvLibrary.Items[ctindex - 1].Focused = true;
lstvLibrary.Items[ctindex].Selected = false;
lstvLibrary.Items[ctindex - 1].Selected = true;
player.URL = currentSong.Path;
DisplayTrackInfo(currentSong, lblCurrentlyPlaying);
btnPause.Text = "Pause";
}
lstvLibrary.Focus();
}
//next song
private void btnNext_Click(object sender, EventArgs e)
{
//When the current track is not the last in the current list
if (currentList.IndexOf(currentSong) < currentList.Count - 1 &&
player.controls.get_isAvailable("pause"))
{
//get the current track index
int ctIndex = currentList.IndexOf(currentSong);
//make next track the current track,
// select and play it
currentSong = currentList[ctIndex + 1];
lstvLibrary.Items[ctIndex + 1].Focused = true;
lstvLibrary.Items[ctIndex].Selected = false;
lstvLibrary.Items[ctIndex + 1].Selected = true;
player.URL = currentSong.Path;
DisplayTrackInfo(currentSong, lblCurrentlyPlaying);
btnPause.Text = "Pause";
}
lstvLibrary.Focus();
}
public void AddFilesToLibrary()
{
OpenFileDialog dialog = new OpenFileDialog();
dialog.Multiselect = true;
if (dialog.ShowDialog() == DialogResult.OK)
{
string[] files = dialog.FileNames;
foreach (string path in files)
{
TagLib.File f = TagLib.File.Create(path);
string title = f.Tag.Title;
string artist = f.Tag.Performers[0];
string album = f.Tag.Album;
uint track = f.Tag.Track;
uint year = f.Tag.Year;
string genre = f.Tag.Genres[0];
string filepath = path;
MP3 mp3 = new MP3(title, artist, album, track, year, genre, filepath);
mp3Library.Add(mp3);
}
}
}
//timer to show song position
private void timer1_Tick(object sender, EventArgs e)
{
//update position and duration labels with timer tick
// **(duration only displays with timer tick for some reason)
lblPosition.Text = player.controls.currentPositionString;
lblDuration.Text = player.currentMedia.durationString;
//When the song ends, and it is not the last song in the list...
if (player.controls.currentPosition > player.currentMedia.duration - 2 &&
currentList.IndexOf(currentSong) < currentList.Count - 1)
{
//get current track index
int ctindex = currentList.IndexOf(currentSong);
//get and play the next track
currentSong = currentList[ctindex + 1];
player.URL = currentSong.Path;
//redisplay song info and select new song
lstvLibrary.Items[ctindex].Focused = false;
lstvLibrary.Items[ctindex].Selected = false;
lstvLibrary.Items[ctindex + 1].Focused = true;
lstvLibrary.Items[ctindex + 1].Selected = true;
DisplayTrackInfo(currentSong, lblCurrentlyPlaying);
}
}
