public override DoOrUndo DoubleClickAction(Util.WinForms.HitTestResult htr_)
{
var htr = (HitTestResult)htr_;
Arrowhead old = null;
if (htr.IsPointHit)
{
if (htr.PointOrSegment == 0)
{
return @do => {
if (@do)
{
old = FromArrow; FromArrow = NextArrow(FromArrow);
}
else
{
FromArrow = old;
}
}
}
;
else if (htr.PointOrSegment == Points.Count - 1)
{
return @do => {
if (@do)
{
old = ToArrow; ToArrow = NextArrow(ToArrow);
}
else
{
ToArrow = old;
}
}
}
;
}
else
{
// TODO: switch between curved and straight
}
return(null);
}
public static Arrowhead NextArrow(Arrowhead arrow)
{
return(StdArrows[(StdArrows.IndexOf(arrow) + 1) % StdArrows.Length]);
}
public static Arrowhead NextArrow(Arrowhead arrow)
{
return StdArrows[(StdArrows.IndexOf(arrow) + 1) % StdArrows.Length];
}
public override DoOrUndo DoubleClickAction(Util.WinForms.HitTestResult htr_)
{
var htr = (HitTestResult)htr_;
Arrowhead old = null;
if (htr.IsPointHit) {
if (htr.PointOrSegment == 0)
return @do => {
if (@do) {
old = FromArrow; FromArrow = NextArrow(FromArrow);
} else
FromArrow = old;
};
else if (htr.PointOrSegment == Points.Count-1)
return @do => {
if (@do) {
old = ToArrow; ToArrow = NextArrow(ToArrow);
} else
ToArrow = old;
};
}
else
{
// TODO: switch between curved and straight
}
return null;
}
