org.eclipse.draw2d.ChopboxAnchor Java Examples

public void createConnections ( final Layer layer, final SymbolController controller, final EList<Connection> connections )
{
    if ( connections == null )
    {
        return;
    }

    for ( final Connection connection : connections )
    {
        final Controller start = AdapterHelper.adapt ( controller.getElement ( connection.getStart () ), Controller.class );
        final Controller end = AdapterHelper.adapt ( controller.getElement ( connection.getEnd () ), Controller.class );

        if ( start != null && end != null )
        {
            final PolylineConnection c = new PolylineConnection ();
            c.setSourceAnchor ( new ChopboxAnchor ( start.getFigure () ) );
            c.setTargetAnchor ( new ChopboxAnchor ( end.getFigure () ) );
            c.setAntialias ( SWT.ON );
            layer.add ( c );
        }
    }
}
 

private void createRoundArrow ( final Figure figure )
{
    final PolylineConnection c = new PolylineConnection ();
    c.setSourceAnchor ( new ChopboxAnchor ( this.sourceRect ) );
    c.setTargetAnchor ( new ChopboxAnchor ( this.targetRect ) );

    final PolygonDecoration dec = new PolygonDecoration ();
    dec.setTemplate ( PolygonDecoration.TRIANGLE_TIP );
    c.setTargetDecoration ( dec );

    final MidpointLocator typeLocator = new MidpointLocator ( c, 0 );
    typeLocator.setRelativePosition ( PositionConstants.NORTH );
    this.typeLabel = new Label ( "" ); //$NON-NLS-1$
    c.add ( this.typeLabel, typeLocator );

    figure.add ( c );
    this.roundConnection = c;
}
 

private void createConnection ( final Figure connLayer, final Label label, final Figure figure )
{
    final Connection c = new PolylineConnection ();
    c.setSourceAnchor ( new ChopboxAnchor ( label ) );
    c.setTargetAnchor ( new ChopboxAnchor ( figure ) );
    c.setConnectionRouter ( new BendpointConnectionRouter () );
    connLayer.add ( c );
}
 

private PolylineConnection createConnection ( final IFigure source, final IFigure target )
{
    final PolylineConnection c = new PolylineConnection ();
    final ChopboxAnchor sourceAnchor = new ChopboxAnchor ( source );
    final ChopboxAnchor targetAnchor = new ChopboxAnchor ( target );
    c.setSourceAnchor ( sourceAnchor );
    c.setTargetAnchor ( targetAnchor );

    return c;
}
 

private void connect ( final IFigure figure, final IFigure source, final IFigure target )
{
    final PolylineConnection c = new PolylineConnection ();
    c.setSourceAnchor ( new ChopboxAnchor ( source ) );
    c.setTargetAnchor ( new ChopboxAnchor ( target ) );

    final PolygonDecoration dec = new PolygonDecoration ();
    dec.setTemplate ( PolygonDecoration.TRIANGLE_TIP );
    dec.setBackgroundColor ( ColorConstants.black );
    c.setTargetDecoration ( dec );

    figure.add ( c );
}
 

public ConnectionAnchor getTargetConnectionAnchor(Request arg0) {
	return new ChopboxAnchor(this.getFigure());
}
 

public ConnectionAnchor getTargetConnectionAnchor(ConnectionEditPart arg0) {
	return new ChopboxAnchor(this.getFigure());
}
 

public ConnectionAnchor getSourceConnectionAnchor(Request arg0) {
	return new ChopboxAnchor(this.getFigure());
}
 

public ConnectionAnchor getSourceConnectionAnchor(ConnectionEditPart arg0) {
	return new ChopboxAnchor(this.getFigure());
}
 

public ConnectionAnchor getTargetConnectionAnchor(Request arg0) {
	return new ChopboxAnchor(this.getFigure());
}
 

public ConnectionAnchor getTargetConnectionAnchor(ConnectionEditPart arg0) {
	return new ChopboxAnchor(this.getFigure());
}
 

public ConnectionAnchor getSourceConnectionAnchor(Request arg0) {
	return new ChopboxAnchor(this.getFigure());
}
 

public ConnectionAnchor getSourceConnectionAnchor(ConnectionEditPart arg0) {
	return new ChopboxAnchor(this.getFigure());
}
 

@Override
public ConnectionAnchor getTargetConnectionAnchor(Request arg0) {
    return new ChopboxAnchor(getFigure());
}
 

@Override
public ConnectionAnchor getTargetConnectionAnchor(ConnectionEditPart arg0) {
    return new ChopboxAnchor(getFigure());
}
 

@Override
public ConnectionAnchor getSourceConnectionAnchor(Request arg0) {
    return new ChopboxAnchor(getFigure());
}
 

@Override
public ConnectionAnchor getSourceConnectionAnchor(ConnectionEditPart arg0) {
    return new ChopboxAnchor(getFigure());
}
 

/**
 * {@inheritDoc}
 */
@Override
public ConnectionAnchor getTargetConnectionAnchor(final Request request) {
    if (request instanceof ReconnectRequest) {
        final ReconnectRequest reconnectRequest = (ReconnectRequest) request;

        final ConnectionEditPart connectionEditPart = reconnectRequest.getConnectionEditPart();

        // if (!(connectionEditPart instanceof RelationEditPart)) {
        // return super.getTargetConnectionAnchor(request);
        // }

        final ConnectionElement connection = (ConnectionElement) connectionEditPart.getModel();
        if (connection.getSource() == connection.getTarget()) {
            return new XYChopboxAnchor(getFigure());
        }

        final EditPart editPart = reconnectRequest.getTarget();

        if (editPart == null || !editPart.getModel().equals(connection.getTarget())) {
            return new XYChopboxAnchor(getFigure());
        }

        final Point location = new Point(reconnectRequest.getLocation());
        getFigure().translateToRelative(location);
        final IFigure targetFigure = ((AbstractModelEditPart) connectionEditPart.getTarget()).getFigure();

        final XYChopboxAnchor anchor = new XYChopboxAnchor(getFigure());

        final Rectangle bounds = targetFigure.getBounds();

        final Rectangle centerRectangle = new Rectangle(bounds.x + (bounds.width / 4), bounds.y + (bounds.height / 4), bounds.width / 2, bounds.height / 2);

        if (!centerRectangle.contains(location)) {
            final Point point = getIntersectionPoint(location, targetFigure);
            anchor.setLocation(point);
        }

        return anchor;

    } else if (request instanceof CreateConnectionRequest) {
        final CreateConnectionRequest connectionRequest = (CreateConnectionRequest) request;

        final Command command = connectionRequest.getStartCommand();

        if (command instanceof CreateCommentConnectionCommand) {
            return new ChopboxAnchor(getFigure());
        }
    }

    return new XYChopboxAnchor(getFigure());
}
 

/**
 * {@inheritDoc}
 */
@Override
public ConnectionAnchor getSourceConnectionAnchor(final Request request) {
    if (request instanceof ReconnectRequest) {
        final ReconnectRequest reconnectRequest = (ReconnectRequest) request;

        final ConnectionEditPart connectionEditPart = reconnectRequest.getConnectionEditPart();

        // if (!(connectionEditPart instanceof RelationEditPart)) {
        // return super.getSourceConnectionAnchor(request);
        // }

        final ConnectionElement connection = (ConnectionElement) connectionEditPart.getModel();
        if (connection.getSource() == connection.getTarget()) {
            return new XYChopboxAnchor(getFigure());
        }

        final EditPart editPart = reconnectRequest.getTarget();

        if (editPart == null || !editPart.getModel().equals(connection.getSource())) {
            return new XYChopboxAnchor(getFigure());
        }

        final Point location = new Point(reconnectRequest.getLocation());
        getFigure().translateToRelative(location);
        final IFigure sourceFigure = ((TableViewEditPart) connectionEditPart.getSource()).getFigure();

        final XYChopboxAnchor anchor = new XYChopboxAnchor(getFigure());

        final Rectangle bounds = sourceFigure.getBounds();

        final Rectangle centerRectangle = new Rectangle(bounds.x + (bounds.width / 4), bounds.y + (bounds.height / 4), bounds.width / 2, bounds.height / 2);

        if (!centerRectangle.contains(location)) {
            final Point point = getIntersectionPoint(location, sourceFigure);
            anchor.setLocation(point);
        }

        return anchor;

    } else if (request instanceof CreateConnectionRequest) {
        final CreateConnectionRequest connectionRequest = (CreateConnectionRequest) request;

        final Command command = connectionRequest.getStartCommand();

        if (command instanceof CreateCommentConnectionCommand) {
            return new ChopboxAnchor(getFigure());
        }
    }

    return new XYChopboxAnchor(getFigure());
}
 

@Override
public ConnectionAnchor getTargetConnectionAnchor(final Request arg0) {
    return new ChopboxAnchor(getFigure());
}
 

@Override
public ConnectionAnchor getTargetConnectionAnchor(final ConnectionEditPart arg0) {
    return new ChopboxAnchor(getFigure());
}
 

@Override
public ConnectionAnchor getSourceConnectionAnchor(final Request arg0) {
    return new ChopboxAnchor(getFigure());
}
 

@Override
public ConnectionAnchor getSourceConnectionAnchor(final ConnectionEditPart arg0) {
    return new ChopboxAnchor(getFigure());
}
 

public ConnectionAnchor getTargetConnectionAnchor(Request arg0) {
	return new ChopboxAnchor(getFigure());
}
 

public ConnectionAnchor getSourceConnectionAnchor(Request arg0) {
	return new ChopboxAnchor(getFigure());
}
 

public ConnectionAnchor getTargetConnectionAnchor(ConnectionEditPart arg0) {
	return new ChopboxAnchor(getFigure());
}
 

public ConnectionAnchor getSourceConnectionAnchor(ConnectionEditPart arg0) {
	return new ChopboxAnchor(getFigure());
}