public bool MoveNext()
{
if ((this.myIndex + 1) >= this.myArray.Count)
{
return(false);
}
this.myIndex++;
if (this.myDest)
{
Shapes.IDiagramLine link1 = (Shapes.IDiagramLine) this.myArray[this.myIndex];
if (link1.FromPort != this.myPort)
{
return(this.MoveNext());
}
}
else
{
Shapes.IDiagramLine link2 = (Shapes.IDiagramLine) this.myArray[this.myIndex];
if (link2.ToPort != this.myPort)
{
return(this.MoveNext());
}
}
return(true);
}
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 DoNoRelink(Shapes.IDiagramLine oldlink, Shapes.IDiagramPort fromPort, Shapes.IDiagramPort toPort)
{
Shapes.DiagramShape obj1 = oldlink.DiagramShape;
if ((obj1 != null) && (obj1.Layer != null))
{
if (obj1.Movable)
{
oldlink.FromPort = fromPort;
oldlink.ToPort = toPort;
base.TransactionResult = "Relink";
base.View.RaiseLinkRelinked(oldlink.DiagramShape);
return;
}
if (obj1.CanDelete())
{
CancelEventArgs args1 = new CancelEventArgs();
base.View.RaiseSelectionDeleting(args1);
if (!args1.Cancel)
{
obj1.Remove();
base.View.RaiseSelectionDeleted();
base.TransactionResult = "Relink";
return;
}
this.DoCancelMouse();
}
else
{
this.DoCancelMouse();
}
}
base.TransactionResult = null;
}
public override PointF GetToLinkPoint(Shapes.IDiagramLine link)
{
if (this.Target != null)
{
return(this.Target.GetToLinkPoint(link));
}
return(base.GetToLinkPoint(link));
}
public override float GetToLinkDir(Shapes.IDiagramLine link)
{
if (this.Target != null)
{
return(this.Target.GetToLinkDir(link));
}
return(base.GetToLinkDir(link));
}
public virtual void DoRelink(Shapes.IDiagramLine oldlink, Shapes.IDiagramPort fromPort, Shapes.IDiagramPort toPort)
{
oldlink.FromPort = fromPort;
oldlink.ToPort = toPort;
Shapes.SubGraphNode.ReparentToCommonSubGraph(oldlink.DiagramShape, (fromPort != null) ? fromPort.DiagramShape : null, (toPort != null) ? toPort.DiagramShape : null, true, base.View.Document.LinksLayer);
base.TransactionResult = "Relink";
base.View.RaiseLinkRelinked(oldlink.DiagramShape);
}
public override bool CanStart()
{
if (base.FirstInput.IsContextButton)
{
return(false);
}
if (!base.View.CanLinkObjects())
{
return(false);
}
IShapeHandle handle1 = this.PickRelinkHandle(base.FirstInput.DocPoint);
if (handle1 == null)
{
return(false);
}
if (handle1.HandleID == 0x400)
{
base.CurrentObject = handle1.HandledObject;
Shapes.IDiagramLine link1 = handle1.SelectedObject as Shapes.IDiagramLine;
if (link1 is Shapes.LineGraph)
{
Shapes.LineGraph link2 = (Shapes.LineGraph)link1;
if (link2.AbstractLink != null)
{
link1 = link2.AbstractLink;
}
}
if (link1 == null)
{
return(false);
}
base.Link = link1;
base.OriginalEndPort = base.Link.FromPort;
return(true);
}
if (handle1.HandleID != 0x401)
{
return(false);
}
base.CurrentObject = handle1.HandledObject;
Shapes.IDiagramLine link3 = handle1.SelectedObject as Shapes.IDiagramLine;
if (link3 is Shapes.LineGraph)
{
Shapes.LineGraph link4 = (Shapes.LineGraph)link3;
if (link4.AbstractLink != null)
{
link3 = link4.AbstractLink;
}
}
if (link3 == null)
{
return(false);
}
base.Link = link3;
base.OriginalEndPort = base.Link.ToPort;
return(true);
}
public virtual void DoNewLink(Shapes.IDiagramPort fromPort, Shapes.IDiagramPort toPort)
{
Shapes.IDiagramLine link1 = base.View.CreateLink(fromPort, toPort);
if (link1 != null)
{
base.TransactionResult = "New Link";
base.View.RaiseLinkCreated(link1.DiagramShape);
}
else
{
base.TransactionResult = null;
}
}
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;
}
}
}
public virtual void DoCancelRelink(Shapes.IDiagramLine oldlink, Shapes.IDiagramPort fromPort, Shapes.IDiagramPort toPort)
{
oldlink.FromPort = fromPort;
oldlink.ToPort = toPort;
base.TransactionResult = null;
}