protected virtual Shapes.IDiagramLine CreateTemporaryLink(Shapes.IDiagramPort fromPort, Shapes.IDiagramPort toPort)
{
Shapes.IDiagramLine link1 = (Shapes.IDiagramLine)Activator.CreateInstance(base.View.LineType);
if ((link1 == null) || (link1.DiagramShape == null))
{
return(null);
}
link1.FromPort = fromPort;
link1.ToPort = toPort;
Shapes.DiagramShape obj1 = link1.DiagramShape;
if (obj1 is Shapes.LineGraph)
{
Shapes.LineGraph link2 = (Shapes.LineGraph)obj1;
if (this.myOrthogonalSet)
{
link2.Orthogonal = this.Orthogonal;
}
link2.AdjustingStyle = Shapes.LineAdjustingStyle.Calculate;
}
else if (obj1 is Shapes.TextLine)
{
Shapes.TextLine link3 = (Shapes.TextLine)obj1;
if (this.myOrthogonalSet)
{
link3.Orthogonal = this.Orthogonal;
}
link3.AdjustingStyle = Shapes.LineAdjustingStyle.Calculate;
}
base.View.Layers.Default.Add(obj1);
return(link1);
}
public virtual void StartRelink(Shapes.IDiagramLine oldlink, Shapes.IDiagramPort oldport, PointF dc)
{
if (oldlink != null)
{
Shapes.DiagramShape obj1 = oldlink.DiagramShape;
if ((obj1 != null) && (obj1.Layer != null))
{
base.StartTransaction();
this.myLinkingNew = false;
this.OriginalEndPort = oldport;
this.Link = oldlink;
if (oldlink.ToPort == oldport)
{
this.Forwards = true;
this.OriginalStartPort = oldlink.FromPort;
PointF tf1 = dc;
if (this.OriginalStartPort != null)
{
tf1 = this.OriginalStartPort.DiagramShape.Center;
}
else if (oldlink is Shapes.LineGraph)
{
Shapes.LineGraph link1 = (Shapes.LineGraph)oldlink;
if (link1.PointsCount > 0)
{
tf1 = link1.GetPoint(0);
}
}
else if (oldlink is Shapes.TextLine)
{
Shapes.TextLine link2 = (Shapes.TextLine)oldlink;
if (link2.RealLink.PointsCount > 0)
{
tf1 = link2.RealLink.GetPoint(0);
}
}
this.StartPort = this.CreateTemporaryPort(this.OriginalStartPort, tf1, false, false);
oldlink.FromPort = this.StartPort;
this.EndPort = this.CreateTemporaryPort(this.OriginalEndPort, dc, true, true);
oldlink.ToPort = this.EndPort;
}
else if (oldlink.FromPort == oldport)
{
this.Forwards = false;
this.OriginalStartPort = oldlink.ToPort;
PointF tf2 = dc;
if (this.OriginalStartPort != null)
{
tf2 = this.OriginalStartPort.DiagramShape.Center;
}
else if (oldlink is Shapes.LineGraph)
{
Shapes.LineGraph link3 = (Shapes.LineGraph)oldlink;
if (link3.PointsCount > 0)
{
tf2 = link3.GetPoint(link3.PointsCount - 1);
}
}
else if (oldlink is Shapes.TextLine)
{
Shapes.TextLine link4 = (Shapes.TextLine)oldlink;
if (link4.RealLink.PointsCount > 0)
{
tf2 = link4.RealLink.GetPoint(link4.RealLink.PointsCount - 1);
}
}
this.StartPort = this.CreateTemporaryPort(this.OriginalStartPort, tf2, true, false);
oldlink.ToPort = this.StartPort;
this.EndPort = this.CreateTemporaryPort(this.OriginalEndPort, dc, false, true);
oldlink.FromPort = this.EndPort;
}
base.View.Cursor = Cursors.Hand;
}
}
}
