public bool ValidPosition(ElementPosition position)
{
if (null == position)
{
throw new ArgumentNullException(nameof(position));
}
if (position.GetType() == typeof(MarkPosition))
{
MarkPosition mp = (MarkPosition)position;
return((mp.Fret <= NumFrets + 1) && (mp.String <= NumStrings));
}
else if (position.GetType() == typeof(FretLabelPosition))
{
FretLabelPosition flp = (FretLabelPosition)position;
return(flp.Fret <= NumFrets);
}
else if (position.GetType() == typeof(BarrePosition))
{
BarrePosition bp = (BarrePosition)position;
return(bp.Fret <= NumFrets && bp.StartString <= NumStrings && bp.EndString <= NumStrings);
}
return(false);
}
public bool CanPositionElementAt(DiagramElement element, ElementPosition position)
{
if (null == element)
{
throw new ArgumentNullException(nameof(element));
}
if (null == position)
{
throw new ArgumentNullException(nameof(position));
}
// Warning: Do not use element.Position as this method can be called during
// element creation before element.Position is defined
if (position.GetType() == typeof(MarkPosition))
{
foreach (DiagramMark mark in Marks)
{
if (mark.Position == position && element != mark)
{
return(false);
}
}
}
else if (position.GetType() == typeof(FretLabelPosition))
{
foreach (DiagramFretLabel fretLabel in FretLabels)
{
if (fretLabel.Position == position && element != fretLabel)
{
return(false);
}
}
}
else if (position.GetType() == typeof(BarrePosition))
{
foreach (DiagramBarre barre in Barres)
{
if (barre.Position.Overlaps((BarrePosition)position) && element != barre)
{
return(false);
}
}
}
return(true);
}
public DiagramElement ElementAt(ElementPosition position)
{
if (null == position)
{
throw new ArgumentNullException(nameof(position));
}
if (position.GetType() == typeof(MarkPosition))
{
foreach (DiagramMark mark in Marks)
{
if (mark.Position == position)
{
return(mark);
}
}
}
else if (position.GetType() == typeof(FretLabelPosition))
{
foreach (DiagramFretLabel fretLabel in FretLabels)
{
if (fretLabel.Position == position)
{
return(fretLabel);
}
}
}
else if (position.GetType() == typeof(BarrePosition))
{
foreach (DiagramBarre barre in Barres)
{
if (barre.Position == position)
{
return(barre);
}
}
}
return(null);
}
public override bool Equals(ElementPosition obj)
{
FretLabelPosition flp = (obj as FretLabelPosition);
return(null != flp && flp.Side == Side && flp.Fret == Fret);
}
public DiagramElement(Diagram parent, ElementPosition position, string text) : this(parent, position)
{
Text = text;
}
public DiagramElement(Diagram parent, ElementPosition position) : this(parent)
{
Position = position ?? throw new ArgumentNullException(nameof(position));
}
public ElementPositionOffFretboardException(ElementPosition position) : base(position)
{
}
public ElementAlreadyExistsAtPositionException(ElementPosition position) : base(position)
{
}
public override bool Equals(ElementPosition obj)
{
MarkPosition mp = (obj as MarkPosition);
return(null != mp && mp.String == String && mp.Fret == Fret);
}
public ElementPositionException(ElementPosition position) : base()
{
Position = position.Clone();
}
public ElementPositionException() : base()
{
Position = null;
}
public override bool Equals(ElementPosition obj)
{
BarrePosition bp = (obj as BarrePosition);
return(null != bp && bp.Fret == Fret && bp.StartString == StartString && bp.EndString == EndString);
}
public bool HasElementAt(ElementPosition position)
{
return(null != ElementAt(position));
}