public static Boolean IsRest(Notegroup notegroup)
{
return notegroup.Orientation == (int)_Enum.Orientation.Rest;
}
public static Boolean HasFlag(Notegroup notegroup)
{
return notegroup.Duration < 1;
}
public static Notegroup ParseChord(Chord chord, Note note)
{
Notegroup noteGroup = null;
try
{
foreach (var n in chord.Notes.Where(_note => CollaborationManager.IsActive(_note)).Where(_note => _note.Duration == note.Duration))
{
if (noteGroup == null)
{
if (chord.StartTime != null && n.Orientation != null)
{
noteGroup = new Notegroup(n.Duration, (Double)chord.StartTime,
(short)n.Orientation) { IsRest = n.Pitch.Trim().ToUpper() == Infrastructure.Constants.Defaults.RestSymbol };
noteGroup.Notes.Add(n);
}
}
else
{
noteGroup.Notes.Add(n);
}
}
}
catch (Exception ex)
{
Exceptions.HandleException(ex);
}
return noteGroup;
}
private static bool Spannable(Notegroup notegroup)
{
Func<Notegroup, bool> isSpannable =
ng => !notegroup.IsRest &&
!notegroup.IsSpanned &&
notegroup.Duration < 1 &&
notegroup.Orientation < 2 && //if orientation = 2, it's a rest. 2 is equivalent to null (orientation has no meaning in this context)
CollaborationManager.IsActionable(notegroup.Root, null);
return isSpannable(notegroup);
}
private static void Render(Notegroup notegroup1, Notegroup notegroup2)
{
notegroup1.IsSpanned = true;
notegroup2.IsSpanned = true;
var span = new LocalSpan();
var sb = new StringBuilder();
var c = (from obj in Cache.Chords where obj.Id == notegroup1.Root.Chord_Id select obj);
var enumerable = c as List<Chord> ?? c.ToList();
if (!enumerable.Any()) return;
var chord = enumerable.First();
span.Location_X = chord.Location_X + 19;
span.Location_Y = notegroup1.Root.Location_Y + 25;
span.MeasureIndex = Measure.Index;
span.Measure_Id = Measure.Id;
var dX = notegroup2.GroupX - notegroup1.GroupX - 1;
var dY = (notegroup2.GroupY - notegroup1.GroupY);
var dy = Math.Abs(dY);
Decimal dur1 = notegroup1.Root.Duration;
Decimal dur2 = notegroup2.Root.Duration;
if (notegroup1.Root.Orientation != null) span.Orientation = (short)notegroup1.Root.Orientation;
#region span logic
//here we handle full spanners
var spanWidth = 5;
const int lineWidth = 2;
var step = 0;
sb.AppendFormat(SpanFormatter, spanWidth * step, spanWidth * step - lineWidth, dX, (dY + spanWidth * step), (dY - spanWidth * step - lineWidth), 0);
if (dur1 <= .25M && dur2 <= .25M)
{
step = 1;
switch (span.Orientation)
{
case (short)_Enum.Orientation.Up:
sb.AppendFormat(SpanFormatter, spanWidth * step, spanWidth * step - lineWidth, dX, (dY + spanWidth * step), (dY + spanWidth * step - lineWidth), 0);
break;
case (short)_Enum.Orientation.Down:
sb.AppendFormat(SpanFormatter, -spanWidth * step, -(spanWidth * step + lineWidth), dX, (dY - spanWidth * step), (dY - spanWidth * step - lineWidth), 0);
break;
}
}
if (dur1 + dur2 == .25M)
{
step = 2;
switch (span.Orientation)
{
case (short)_Enum.Orientation.Up:
sb.AppendFormat(SpanFormatter, spanWidth * step, spanWidth * step - lineWidth, dX, (dY + spanWidth * step), (dY + spanWidth * step - lineWidth), 0);
break;
case (short)_Enum.Orientation.Down:
sb.AppendFormat(SpanFormatter, -spanWidth * step, -(spanWidth * step + lineWidth), dX, (dY - spanWidth * step), (dY - spanWidth * step - lineWidth), 0);
break;
}
}
step = dy / 2;
//here we handle partial spans
if (dur1 == .5M && dur2 == .25M)
{
if (notegroup1.GroupY >= notegroup2.GroupY)
{
string result = string.Format("M {5} {0} L {5} {1} L {2} {4} L {2} {3} L {5} {0} Z", spanWidth - step, spanWidth - step - lineWidth, dX, dY + spanWidth, dY + spanWidth - lineWidth, dX / 2);
spanWidth = ((short)_Enum.Orientation.Up == span.Orientation) ? Math.Abs(spanWidth) : -Math.Abs(spanWidth);
sb.AppendFormat(SpanFormatter, spanWidth - step, spanWidth - step - lineWidth, dX, dY + spanWidth, dY + spanWidth - lineWidth, dX / 2);
}
else
{
spanWidth = ((short)_Enum.Orientation.Up == span.Orientation) ? Math.Abs(spanWidth) : -Math.Abs(spanWidth);
sb.AppendFormat(SpanFormatter, spanWidth + step, spanWidth + step - lineWidth, dX, dY + spanWidth, dY + spanWidth - lineWidth, dX / 2);
}
}
else if (dur1 == .25M && dur2 == .5M)
{
if (notegroup1.GroupY >= notegroup2.GroupY)
{
spanWidth = ((short)_Enum.Orientation.Up == span.Orientation) ? Math.Abs(spanWidth) : -Math.Abs(spanWidth);
sb.AppendFormat(SpanFormatter, spanWidth, spanWidth - lineWidth, dX / 2, dY + spanWidth + step, dY + spanWidth + step - lineWidth, 0);
}
else
{
spanWidth = ((short)_Enum.Orientation.Up == span.Orientation) ? Math.Abs(spanWidth) : -Math.Abs(spanWidth);
sb.AppendFormat(SpanFormatter, spanWidth, spanWidth - lineWidth, dX / 2, dY + spanWidth - step, dY + spanWidth - step - lineWidth, 0);
}
}
if (dur1 == .5M && dur2 == .125M)
{
if (notegroup1.GroupY >= notegroup2.GroupY)
{
switch (span.Orientation)
{
case (short)_Enum.Orientation.Up:
spanWidth = Math.Abs(spanWidth);
sb.AppendFormat(SpanFormatter, spanWidth - step, spanWidth - step - lineWidth, dX, dY + spanWidth, dY + spanWidth - lineWidth, dX / 2);
sb.AppendFormat(SpanFormatter, spanWidth * 2 - step, spanWidth * 2 - step - lineWidth, dX, dY + spanWidth * 2, dY + spanWidth * 2 - lineWidth, dX / 2);
break;
case (short)_Enum.Orientation.Down:
spanWidth = -Math.Abs(spanWidth);
sb.AppendFormat(SpanFormatter, spanWidth - step, spanWidth - step - lineWidth, dX, dY + spanWidth, dY + spanWidth - lineWidth, dX / 2);
sb.AppendFormat(SpanFormatter, spanWidth * 2 - step, spanWidth * 2 - step - lineWidth, dX, dY + spanWidth * 2, dY + spanWidth * 2 - lineWidth, dX / 2);
break;
}
}
else
{
switch (span.Orientation)
{
case (short)_Enum.Orientation.Up:
spanWidth = Math.Abs(spanWidth);
sb.AppendFormat(SpanFormatter, spanWidth + step, spanWidth + step - lineWidth, dX, dY + spanWidth, dY + spanWidth - lineWidth, dX / 2);
sb.AppendFormat(SpanFormatter, spanWidth * 2 + step, spanWidth * 2 + step - lineWidth, dX, dY + spanWidth * 2, dY + spanWidth * 2 - lineWidth, dX / 2);
break;
case (short)_Enum.Orientation.Down:
spanWidth = -Math.Abs(spanWidth);
sb.AppendFormat(SpanFormatter, spanWidth + step, spanWidth + step - lineWidth, dX, dY + spanWidth, dY + spanWidth - lineWidth, dX / 2);
sb.AppendFormat(SpanFormatter, spanWidth * 2 + step, spanWidth * 2 + step - lineWidth, dX, dY + spanWidth * 2, dY + spanWidth * 2 - lineWidth, dX / 2);
break;
}
}
}
else if (dur1 == .125M && dur2 == .5M)
{
if (notegroup1.GroupY >= notegroup2.GroupY)
{
spanWidth = ((short)_Enum.Orientation.Up == span.Orientation) ? Math.Abs(spanWidth) : -Math.Abs(spanWidth);
sb.AppendFormat(SpanFormatter, spanWidth, spanWidth - lineWidth, dX / 2, dY + spanWidth + step, dY + spanWidth + step - lineWidth, 0);
sb.AppendFormat(SpanFormatter, spanWidth * 2, spanWidth * 2 - lineWidth, dX / 2, dY + spanWidth * 2 + step, dY + spanWidth * 2 + step - lineWidth, 0);
}
else
{
spanWidth = ((short)_Enum.Orientation.Up == span.Orientation) ? Math.Abs(spanWidth) : -Math.Abs(spanWidth);
sb.AppendFormat(SpanFormatter, spanWidth, spanWidth - lineWidth, dX / 2, dY + spanWidth - step, dY + spanWidth - step - lineWidth, 0);
sb.AppendFormat(SpanFormatter, spanWidth * 2, spanWidth * 2 - lineWidth, dX / 2, dY + spanWidth * 2 - step, dY + spanWidth * 2 - step - lineWidth, 0);
}
}
if (dur1 == .25M && dur2 == .125M)
{
if (notegroup1.GroupY >= notegroup2.GroupY)
{
spanWidth = ((short)_Enum.Orientation.Up == span.Orientation) ? Math.Abs(spanWidth) : -Math.Abs(spanWidth);
sb.AppendFormat(SpanFormatter, spanWidth * 2 - step, spanWidth * 2 - step - lineWidth, dX, dY + spanWidth * 2, dY + spanWidth * 2 - lineWidth, dX / 2);
}
else
{
spanWidth = ((short)_Enum.Orientation.Up == span.Orientation) ? Math.Abs(spanWidth) : -Math.Abs(spanWidth);
sb.AppendFormat(SpanFormatter, spanWidth * 2 + step, spanWidth * 2 + step - lineWidth, dX, dY + spanWidth * 2, dY + spanWidth * 2 - lineWidth, dX / 2);
}
}
else if (dur1 == .125M && dur2 == .25M)
{
if (notegroup1.GroupY >= notegroup2.GroupY)
{
spanWidth = ((short)_Enum.Orientation.Up == span.Orientation) ? Math.Abs(spanWidth) : -Math.Abs(spanWidth);
sb.AppendFormat(SpanFormatter, spanWidth * 2, spanWidth * 2 - lineWidth, dX / 2, dY + spanWidth * 2 + step, dY + spanWidth * 2 + step - lineWidth, 0);
}
else
{
spanWidth = ((short)_Enum.Orientation.Up == span.Orientation) ? Math.Abs(spanWidth) : -Math.Abs(spanWidth);
sb.AppendFormat(SpanFormatter, spanWidth * 2, spanWidth * 2 - lineWidth, dX / 2, dY + spanWidth * 2 - step, dY + spanWidth * 2 - step - lineWidth, 0);
}
}
#endregion span logic
span.Path = sb.ToString();
if (LocalSpans == null)
LocalSpans = new ObservableCollection<LocalSpan>();
LocalSpans.Add(span);
Cache.Spans.Add(span);
}
private static void FlagNotegroup(Notegroup notegroup)
{
if (!notegroup.IsSpanned)
{
_ea.GetEvent<FlagNotegroup>().Publish(notegroup);
//added 4 lines on 1/27/2013
foreach (Repository.DataService.Note note in notegroup.Notes)
{
note.IsSpanned = false;
}
}
}
