private void MouseCreateCanvasConnection(ICanvas canvas, IPoint point)
{
var root = Insert.Pin(canvas, point, Context.DiagramCreator, Context.EnableSnap);
Context.CurrentRoot = root;
double x = Context.CurrentRoot.GetX();
double y = Context.CurrentRoot.GetY();
Context.CurrentLine = WireEditor.Connect(canvas, Context.CurrentRoot, Context.CurrentLine, x, y, Context.DiagramCreator);
if (Context.CurrentLine == null)
{
Context.CurrentRoot = null;
}
Context.CurrentRoot = root;
Context.CurrentLine = WireEditor.Connect(canvas, Context.CurrentRoot, Context.CurrentLine, x, y, Context.DiagramCreator);
}
public bool MouseEventPreviewLeftDown(ICanvas canvas, IPoint point, IThumb pin)
{
if (CanConnectToPin(pin))
{
if (Context.CurrentLine == null)
{
Snapshot(canvas, true);
}
Connect(canvas, pin, Context.DiagramCreator);
return(true);
}
else if (Context.CurrentLine != null)
{
var element = MouseGetElementAtPoint(canvas, point);
if (CanSplitWire(element))
{
if (Context.CurrentLine == null)
{
Snapshot(canvas, true);
}
bool result = WireEditor.Split(canvas, element as ILine, Context.CurrentLine, point, Context.DiagramCreator, Context.EnableSnap);
Context.CurrentRoot = null;
Context.CurrentLine = null;
return(result);
}
}
if (CanToggleLine())
{
MouseToggleLineSelection(canvas, point);
}
return(false);
}
private void Connect(ICanvas canvas, IThumb pin, IDiagramCreator creator)
{
if (pin == null)
{
return;
}
Context.CurrentRoot = pin.GetParent() as IThumb;
double x;
double y;
ModelEditor.GetPinPosition(Context.CurrentRoot, pin, out x, out y);
Context.CurrentLine = WireEditor.Connect(canvas,
Context.CurrentRoot, Context.CurrentLine,
x, y,
creator);
if (Context.CurrentLine == null)
{
Context.CurrentRoot = null;
}
}
