public override OnElementMoveDelegate CanMove(Point p)
{
if (Element.IsPtCaptured(p, this.BasePoint))
{
return(new OnElementMoveDelegate(this.OnMove));
}
return(null);
}
public override int GetConnectionSourceID(Point p)
{
if (Element.IsPtCaptured(p, this.BasePoint))
{
return(0);
}
return(-1);
}
public override int GetConnectionSourceID(Point p)
{
if (Element.IsPtCaptured(p, this.PointPlus))
{
return(1);
}
if (Element.IsPtCaptured(p, this.PointMinus))
{
return(2);
}
return(-1);
}
public override OnElementMoveDelegate CanMove(Point p)
{
if (Element.IsPtCaptured(p, this.PointPlus))
{
return(new OnElementMoveDelegate(this.OnMove1));
}
if (Element.IsPtCaptured(p, this.PointMinus))
{
return(new OnElementMoveDelegate(this.OnMove2));
}
return(null);
}
public override int CanConnect(Point p, Element e, int nSource, out Point pDest)
{
int num = -1;
pDest = new Point(0.0, 0.0);
if (e != this)
{
if (Element.IsPtCaptured(p, this.PointPlus))
{
pDest = this.PointPlus;
num = 1;
}
else if (Element.IsPtCaptured(p, this.PointMinus))
{
pDest = this.PointMinus;
num = 2;
}
if (num == -1)
{
return(-1);
}
if (e is TrackPassive)
{
foreach (Connection connection in base.m_Connections)
{
if (connection.IsConnected(this, e))
{
return(-1);
}
}
foreach (Connection connection in base.m_Connections)
{
if (connection.IsConnectedPath(this, num) != null)
{
return(-1);
}
}
return(num);
}
}
return(-1);
}
public override OnElementMoveDelegate CanMove(Point p)
{
if (Element.IsPtCaptured(p, this.PointPlus))
{
return(new OnElementMoveDelegate(this.OnMovePlus));
}
if (Element.IsPtCaptured(p, this.PointMinus))
{
return(new OnElementMoveDelegate(this.OnMoveMinus));
}
if (Element.IsPtCaptured(p, this.PointPeak))
{
return(new OnElementMoveDelegate(this.OnMovePeak));
}
if (Element.IsPtCaptured(p, this.PointCore))
{
return(new OnElementMoveDelegate(this.OnMoveCenter));
}
return(null);
}
protected virtual bool FindActiveContext(Point p)
{
if (this.GetLayout() == null)
{
return(false);
}
string toolTipText = "";
this.m_ActiveConnection = null;
this.m_ActiveElement = null;
if (!this.m_bReadOnly)
{
foreach (Connection connection in this.GetLayout().Connections)
{
if (connection.HasElement(this.m_alElTypes) && (connection.CanMove(p) != null))
{
this.m_ActiveConnection = connection;
toolTipText = this.m_ActiveConnection.GetToolTipText(true, p);
break;
}
}
}
foreach (Element element in this.GetLayout().Elements)
{
if (this.m_alElTypes.Contains(element.GetType()) && (Element.IsPtCaptured(p, element.GetCenterPoint()) || (element.CanMove(p) != null)))
{
this.m_ActiveElement = element;
if (toolTipText.Length == 0)
{
toolTipText = this.m_ActiveElement.GetToolTipText(!this.m_bReadOnly, p);
}
break;
}
}
return((this.m_ActiveConnection != null) || (this.m_ActiveElement != null));
}