/// <summary>
/// Creates a connector between the ports of the specified shapes
/// </summary>
/// <param name="fromShape"></param>
/// <param name="fromPortName"></param>
/// <param name="toShape"></param>
/// <param name="toPortName"></param>
/// <param name="connectorType"></param>
/// <param name="text"></param>
/// <returns></returns>
public NShape CreateConnector(NShape fromShape, string fromPortName, NShape toShape, string toPortName, ConnectorType connectorType, string text)
{
// check input
if (fromShape == null)
{
throw new ArgumentNullException("fromShape");
}
if (toShape == null)
{
throw new ArgumentNullException("toShape");
}
NPort fromPort = (fromShape.Ports.GetChildByName(fromPortName, 0) as NPort);
if (fromPort == null)
{
throw new ArgumentException("Was not able to find fromPortName in the ports collection of the fromShape", "fromPortName");
}
NPort toPort = (toShape.Ports.GetChildByName(toPortName, 0) as NPort);
if (toPort == null)
{
throw new ArgumentException("Was not able to find toPortName in the ports collection of the toShape", "toPortName");
}
// create the connector
NShape connector = null;
switch (connectorType)
{
case ConnectorType.Line:
connector = new NLineShape();
break;
case ConnectorType.Bezier:
connector = new NBezierCurveShape();
break;
case ConnectorType.SingleArrow:
connector = new NArrowShape(ArrowType.SingleArrow);
break;
case ConnectorType.DoubleArrow:
connector = new NArrowShape(ArrowType.DoubleArrow);
break;
case ConnectorType.SideToTopBottom:
connector = new NStep2Connector(false);
break;
case ConnectorType.TopBottomToSide:
connector = new NStep2Connector(true);
break;
case ConnectorType.SideToSide:
connector = new NStep3Connector(false, 50, 0, true);
break;
case ConnectorType.TopToBottom:
connector = new NStep3Connector(true, 50, 0, true);
break;
case ConnectorType.DynamicHV:
connector = new NRoutableConnector(RoutableConnectorType.DynamicHV);
break;
case ConnectorType.DynamicPolyline:
connector = new NRoutableConnector(RoutableConnectorType.DynamicPolyline);
break;
case ConnectorType.DynamicCurve:
connector = new NRoutableConnector(RoutableConnectorType.DynamicCurve);
break;
default:
Debug.Assert(false, "New graph connector type?");
break;
}
// the connector must be added to the document prior to connecting it
document.ActiveLayer.AddChild(connector);
connector.StartPlug.Connect(fromPort);
connector.EndPlug.Connect(toPort);
connector.Style.TextStyle = (connector.ComposeTextStyle().Clone() as NTextStyle);
connector.Style.TextStyle.Offset = new Nevron.GraphicsCore.NPointL(0, -7);
connector.Text = text;
return(connector);
}
/// <summary>
/// Creates a new connector, which connects the specified shapes
/// </summary>
/// <param name="fromShape"></param>
/// <param name="fromPortName"></param>
/// <param name="toShape"></param>
/// <param name="toPortName"></param>
/// <param name="connectorType"></param>
/// <param name="text"></param>
/// <returns>new 1D shapes</returns>
protected NShape CreateConnector(NShape fromShape, string fromPortName, NShape toShape, string toPortName, ConnectorType connectorType, string text)
{
// check arguments
if (fromShape == null)
{
throw new ArgumentNullException("fromShape");
}
if (toShape == null)
{
throw new ArgumentNullException("toShape");
}
NPort fromPort = (fromShape.Ports.GetChildByName(fromPortName, 0) as NPort);
if (fromPort == null)
{
throw new ArgumentException("Was not able to find fromPortName in the ports collection of the fromShape", "fromPortName");
}
NPort toPort = (toShape.Ports.GetChildByName(toPortName, 0) as NPort);
if (toPort == null)
{
throw new ArgumentException("Was not able to find toPortName in the ports collection of the toShape", "toPortName");
}
// create the connector
NShape connector = null;
switch (connectorType)
{
case ConnectorType.Line:
connector = new NLineShape();
break;
case ConnectorType.Bezier:
connector = new NBezierCurveShape();
break;
case ConnectorType.SingleArrow:
connector = new NArrowShape(ArrowType.SingleArrow);
break;
case ConnectorType.DoubleArrow:
connector = new NArrowShape(ArrowType.DoubleArrow);
break;
case ConnectorType.SideToTopBottom:
connector = new NStep2Connector(false);
break;
case ConnectorType.TopBottomToSide:
connector = new NStep2Connector(true);
break;
case ConnectorType.SideToSide:
connector = new NStep3Connector(false, 50, 0, true);
break;
case ConnectorType.TopToBottom:
connector = new NStep3Connector(true, 50, 0, true);
break;
case ConnectorType.DynamicHV:
connector = new NRoutableConnector(RoutableConnectorType.DynamicHV);
break;
case ConnectorType.DynamicPolyline:
connector = new NRoutableConnector(RoutableConnectorType.DynamicPolyline);
break;
case ConnectorType.DynamicCurve:
connector = new NRoutableConnector(RoutableConnectorType.DynamicCurve);
break;
default:
Debug.Assert(false, "New graph connector type?");
break;
}
// the connector must be added to the document prior to connecting it
DrawingView.Document.ActiveLayer.AddChild(connector);
// change the default label text
connector.Text = text;
// connectors by default inherit styles from the connectors stylesheet
connector.StyleSheetName = NDR.NameConnectorsStyleSheet;
// connect the connector to the specified ports
connector.StartPlug.Connect(fromPort);
connector.EndPlug.Connect(toPort);
// modify the connector text style
connector.Style.TextStyle = (connector.ComposeTextStyle().Clone() as NTextStyle);
connector.Style.TextStyle.Offset = new NPointL(0, -7);
return(connector);
}