public virtual void OnLink(LinkType t, Link l)
{
if (Link != null) Link(this, new LinkEventArgs(t, l));
}
public virtual void OnErase(LinkType t, Link l)
{
if (Erase != null) Erase(this, new LinkEventArgs(t, l));
}
public LinkEventArgs(LinkType t, Link i)
: base()
{
type = t;
id = i;
}
public LinkLine(Canvas c, LinkType type, Link s)
{
Point p;
mCanvas = c;
if (type != LinkType.Out)
{
mStart = null;
mEnd = s;
mEndType = type;
try { p = mEnd.TransformToAncestor(mCanvas).Transform(new Point(0, 0)); } catch (Exception) { p = new Point(0, 0); }
}
else
{
mStart = s;
mEnd = null;
try { p = mStart.TransformToAncestor(mCanvas).Transform(new Point(0, 0)); } catch (Exception) { p = new Point(0, 0); }
}
mLine = new Line()
{
Stroke = new SolidColorBrush(Colors.Green),
StrokeThickness = 2,
X1 = p.X+14,
Y1 = p.Y +8,
X2 = p.X+14,
Y2 = p.Y+8
};
mCanvas.Children.Add(mLine);
Canvas.SetZIndex(mLine, 0);
}
void obj_Erase(Link id)
{
foreach (LinkLine line in mLines)
{
if (line.SourceLink == id || line.TargetLink == id)
{
line.Erase();
mLines.Remove(line);
break;
}
}
}
public void EndLink(LinkType type, Link e)
{
if (mEnd == null) { mEndType = type; mEnd = e; }
else mStart = e;
mStart.Connection = mEnd.Object;
mEnd.Connection = mStart.Object;
Update();
mEnd.Object.Attach(mEndType, mStart.Object.Module);
mEnd.Object.Apply();
}