private async Task LoadTracks(CancellationToken token)
{
OnTaskStarted("audio");
try
{
var response = await DataService.GetPopularTracks(SelectedGenre.Id, ForeignOnly);
if (!token.IsCancellationRequested)
{
if (response.Items != null && response.Items.Count > 0)
{
Tracks = response.Items;
if (AudioService.CurrentAudio == null)
{
AudioService.CurrentAudio = Tracks.First();
AudioService.SetCurrentPlaylist(Tracks);
}
}
else
{
OnTaskError("audio", ErrorResources.LoadAudiosErrorEmpty);
}
}
}
catch (Exception ex)
{
LoggingService.Log(ex);
OnTaskError("audio", ErrorResources.LoadAudiosErrorCommon);
}
OnTaskFinished("audio");
}
public void Play()
{
if (CurrentTrack == null)
{
CurrentTrack = Tracks.First();
}
_playback?.Play();
}
public Uri GetNextTrack()
{
if (!Tracks.Any())
{
return(null);
}
if (Repeat == RepeatMode.Song && CurrentTrack != null)
{
return(CurrentTrack.Uri);
}
if (Repeat == RepeatMode.None && CurrentTrack == Tracks.Last() && Shuffle == false)
{
return(null);
}
if (Repeat == RepeatMode.List && CurrentTrack == Tracks.Last() && Shuffle == false)
{
return(Tracks.First().Uri);
}
if ((Repeat == RepeatMode.List || Repeat == RepeatMode.None) && Shuffle == true)
{
return(GetRandomTrack().Uri);
}
if (CurrentTrack == null)
{
return(Tracks.First().Uri);
}
if (CurrentTrack != Tracks.Last())
{
return(Tracks[Tracks.IndexOf(CurrentTrack) + 1].Uri);
}
return(null);
}
private void LoadDesignData()
{
Tracks.Add(new Track("O que eu sempre quiz fazer mas nunca fiz", "Teste 2 Teste 2 Teste 2 Teste 2 Teste 2\n Teste 2 Teste 2 Teste 2 Teste 2 Teste 2 Teste 2 Teste 2 Teste 2 Teste 2 Teste 2 Teste 2 Teste 2 "));
Tracks.Add(new Track("Teste", "Teste"));
Tracks.Add(new Track("Arquitetura na cloud", "Teste 1"));
Palestrantes.Add(new Palestrante("Elemar Jr", "http://qconsp.com/images/palestrantes/elemar-junior.jpg?1339080693"));
Palestras.Add(new Palestra
{
Descricao = "Conteudo da palestra 1 que fala sobre alguma coisa que eu não sei mais o que escrever aqui",
Horario = new DateTime(2012, 08, 4, 12, 00, 00),
Nome = "Palestra 1",
Track = Tracks.First()
});
Palestras.Add(new Palestra
{
Descricao = "Conteudo da palestra 2 que fala sobre alguma coisa que eu não sei mais o que escrever aqui",
Horario = new DateTime(2012, 8, 5, 15, 00, 00),
Nome = "Palestra 2",
Track = Tracks.Last()
});
}
public void Stop()
{
_playback?.Stop();
CurrentTrack = Tracks.First();
}
protected override void OnPaint(PaintEventArgs e)
{
// Reset
e.Graphics.Clear(bgColor);
buttons.Clear();
int midx = Width / 2;
// Richtungsangaben ermitteln
var route = tt.GetRoute(routeIndex).Stations;
var staIdx = route.IndexOf(station);
var prev = route.ElementAtOrDefault(staIdx - 1);
var next = route.ElementAtOrDefault(staIdx + 1);
bool disableRight = tt.Type == TimetableType.Network && next == null;
bool disableLeft = tt.Type == TimetableType.Network && prev == null;
// Richtungsangaben zeichnen
if (prev != null)
{
e.Graphics.DrawText(font, textColor, 5, 5, T._("von {0}", prev.SName));
}
if (next != null)
{
var nextText = T._("nach {0}", next.SName);
var nextSize = e.Graphics.MeasureString(font, nextText);
e.Graphics.DrawText(font, textColor, Width - 5 - nextSize.Width, 5, nextText);
}
var leftdefaultTrack = Tracks.IndexOf(Tracks.FirstOrDefault(t => t.Name == DefaultTrackLeft.GetValue(routeIndex)));
var rightdefaultTrack = Tracks.IndexOf(Tracks.FirstOrDefault(t => t.Name == DefaultTrackRight.GetValue(routeIndex)));
// Netzwerk: Falls noch keine Angabe: Standardgleise setzen
if (tt.Type == TimetableType.Network && Tracks.Any())
{
if (disableLeft)
{
leftdefaultTrack = 0;
}
else if (leftdefaultTrack == -1)
{
MoveDefaultTrack(DefaultTrackLeft, Tracks.First(), 0);
leftdefaultTrack = 0;
}
if (disableRight)
{
rightdefaultTrack = 0;
}
else if (rightdefaultTrack == -1)
{
MoveDefaultTrack(DefaultTrackRight, Tracks.First(), 0);
rightdefaultTrack = 0;
}
}
int y = 30;
int maxIndent = 0;
foreach (var track in Tracks)
{
var trackIndex = Tracks.IndexOf(track);
// Einrückung des Gleisvorfeldes berehcnen
var leftIndent = Math.Abs(leftdefaultTrack - trackIndex) * INDENT + 60;
if (leftdefaultTrack == trackIndex)
{
leftIndent = disableLeft ? 30 : 0;
}
var rightIndent = Math.Abs(rightdefaultTrack - trackIndex) * INDENT + 60;
if (rightdefaultTrack == trackIndex)
{
rightIndent = disableRight ? 30 : 0;
}
maxIndent = Math.Max(maxIndent, rightIndent + leftIndent);
rightIndent = Width - rightIndent;
// Gleiselinie zeichnen
e.Graphics.DrawLine(textColor, leftIndent, y, rightIndent, y);
// Gleisverbindungen zeichnen
if (trackIndex < leftdefaultTrack)
{
e.Graphics.DrawLine(textColor, leftIndent, y, leftIndent - INDENT, y + LINE_HEIGHT);
}
else if (trackIndex > leftdefaultTrack)
{
e.Graphics.DrawLine(textColor, leftIndent, y, leftIndent - INDENT, y - LINE_HEIGHT);
}
if (trackIndex < rightdefaultTrack)
{
e.Graphics.DrawLine(textColor, rightIndent, y, rightIndent + INDENT, y + LINE_HEIGHT);
}
else if (trackIndex > rightdefaultTrack)
{
e.Graphics.DrawLine(textColor, rightIndent, y, rightIndent + INDENT, y - LINE_HEIGHT);
}
// Gleisnamen als Button hinzufügen
var textSize = e.Graphics.MeasureString(font, track.Name);
var nameBtn = new RenderBtn <Track>(track, new Point(midx - (int)(textSize.Width / 2) - 5, y - 8), new Size((int)textSize.Width + 5, 16), bgColor, track.Name, textColor);
nameBtn.Click += NameBtn_Click;
buttons.Add(nameBtn);
// Netzwerk: Standardgleise anderer Routen gestrichelt zeichnen.
if (DefaultTrackLeft.ContainsValue(track.Name) && leftdefaultTrack != trackIndex)
{
e.Graphics.DrawLine(dashedPen, 0, y, leftIndent, y);
}
if (DefaultTrackRight.ContainsValue(track.Name) && rightdefaultTrack != trackIndex)
{
e.Graphics.DrawLine(dashedPen, rightIndent, y, Width, y);
}
// Aktions-Buttons hinzufügen
var btnLeft = midx + (int)(textSize.Width / 2) + 10;
var deleteBtn = GetButton("X", track, btnLeft, y);
deleteBtn.Click += DeleteBtn_Click;
var upBtn = GetButton("▲", track, btnLeft + 20, y);
upBtn.Click += UpBtn_Click;
var downBtn = GetButton("▼", track, btnLeft + 40, y);
downBtn.Click += DownBtn_Click;
// Aktionsbuttons für Standardgleise
if (trackIndex == leftdefaultTrack && !disableLeft)
{
var leftUpBtn = GetButton("▲", track, 10, y);
leftUpBtn.Click += (s, x) => MoveDefaultTrack(DefaultTrackLeft, ((RenderBtn <Track>)s).Tag, -1);
var leftDownBtn = GetButton("▼", track, 30, y);
leftDownBtn.Click += (s, x) => MoveDefaultTrack(DefaultTrackLeft, ((RenderBtn <Track>)s).Tag, 1);
}
if (trackIndex == rightdefaultTrack && !disableRight)
{
var rightUpButton = GetButton("▲", track, Width - 46, y);
rightUpButton.Click += (s, x) => MoveDefaultTrack(DefaultTrackRight, ((RenderBtn <Track>)s).Tag, -1);
var rightDownBtn = GetButton("▼", track, Width - 26, y);
rightDownBtn.Click += (s, x) => MoveDefaultTrack(DefaultTrackRight, ((RenderBtn <Track>)s).Tag, 1);
}
y += LINE_HEIGHT;
}
// Button für neue Gleise
var addTrackText = T._("Neues Gleis hinzufügen");
var textWidth = (int)e.Graphics.MeasureString(font, addTrackText).Width;
var addBtn = new RenderBtn <Track>(null, new Point(midx - (textWidth / 2) - 5, y - 8), new Size(textWidth + 10, 16), Colors.LightGrey, addTrackText);
buttons.Add(addBtn);
addBtn.Click += AddBtn_Click;
var newHeight = (Tracks.Count) * LINE_HEIGHT + 50;
if (newHeight > Height)
{
this.Height = newHeight;
}
else if (maxIndent > Width - 30)
{
Width = maxIndent + 30;
}
foreach (var args in buttons)
{
args.Draw(e.Graphics);
}
base.OnPaint(e);
}
