Package org.eclipse.graphiti.services

Examples of org.eclipse.graphiti.services.IGaService

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  @Override
  public boolean layout(ILayoutContext context) {
    final ContainerShape containerShape = (ContainerShape) context.getPictogramElement();
    final GraphicsAlgorithm ga = containerShape.getGraphicsAlgorithm();
    final IGaService gaService = Graphiti.getGaService();
   
    boolean changed = false;
   
    if (ga.getWidth() < 100) {
      // we deny anything smaller than 100 pixels width
      ga.setWidth(100);
     
      changed = true;
    }
   
    if (ga.getHeight() < 50) {
      // we deny anything smaller than 50 pixels height
      ga.setHeight(50);
     
      changed = true;
    }
   
    int containerWidth = ga.getWidth();
    int containerHeight = ga.getHeight();
   
    for (final Shape shape : containerShape.getChildren()) {
      final GraphicsAlgorithm shapeGa = shape.getGraphicsAlgorithm();
      final IDimension size = gaService.calculateSize(shapeGa);
     
      if (containerWidth != size.getWidth() && shapeGa instanceof MultiText) {
        gaService.setWidth(shapeGa, containerWidth - 5);
       
        changed = true;
      }
     
      if (containerHeight != size.getHeight()) {
        if (shapeGa instanceof Polyline) {
          final Polyline line = (Polyline) shapeGa;
         
          line.getPoints().set(2, getNewPoint(line, 2, containerHeight, gaService));
          line.getPoints().set(3, getNewPoint(line, 3, containerHeight, gaService));
         
          changed = true;
        }
        else if (shapeGa instanceof MultiText) {
          gaService.setHeight(shapeGa, containerHeight - 5);
         
          changed = true;
        }
      }
    }
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    // check whether the context has a size (e.g. from a create feature)
    // otherwise define a default size for the shape
    final int width = context.getWidth() <= 0 ? 35 : context.getWidth();
    final int height = context.getHeight() <= 0 ? 35 : context.getHeight();

    final IGaService gaService = Graphiti.getGaService();

    Ellipse circle;
    {
      final Ellipse invisibleCircle = gaService.createEllipse(containerShape);
      invisibleCircle.setFilled(false);
      invisibleCircle.setLineVisible(false);
      gaService.setLocationAndSize(invisibleCircle, context.getX(), context.getY(), width, height);

      // create and set visible circle inside invisible circle
      circle = gaService.createEllipse(invisibleCircle);
      circle.setParentGraphicsAlgorithm(invisibleCircle);
      circle.setStyle(StyleUtil.getStyleForEvent(getDiagram()));
      gaService.setLocationAndSize(circle, 0, 0, width, height);

      // create link and wire it
      link(containerShape, addedEvent);
    }

    {
      final Shape shape = peCreateService.createShape(containerShape, false);
      final Image image = gaService.createImage(shape, PluginImage.IMG_THROW_SIGNAL.getImageKey());
      image.setWidth(20);
      image.setHeight(20);
      gaService.setLocationAndSize(image, (width - 20) / 2, (height - 20) / 2, 20, 20);
    }

    // add a chopbox anchor to the shape
    peCreateService.createChopboxAnchor(containerShape);
    if (!(addedEvent instanceof EndEvent)) {

      // create an additional box relative anchor at middle-right
      final BoxRelativeAnchor boxAnchor = peCreateService.createBoxRelativeAnchor(containerShape);
      boxAnchor.setRelativeWidth(1.0);
      boxAnchor.setRelativeHeight(0.51);
      boxAnchor.setReferencedGraphicsAlgorithm(circle);
      final Ellipse ellipse = ActivitiUiUtil.createInvisibleEllipse(boxAnchor, gaService);
      gaService.setLocationAndSize(ellipse, 0, 0, 0, 0);
    }
    layoutPictogramElement(containerShape);

    return containerShape;
  }
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    // check whether the context has a size (e.g. from a create feature)
    // otherwise define a default size for the shape
    final int width = context.getWidth() <= 0 ? 35 : context.getWidth();
    final int height = context.getHeight() <= 0 ? 35 : context.getHeight();

    final IGaService gaService = Graphiti.getGaService();

    Ellipse circle;
    {
      final Ellipse invisibleCircle = gaService.createEllipse(containerShape);
      invisibleCircle.setFilled(false);
      invisibleCircle.setLineVisible(false);
      gaService.setLocationAndSize(invisibleCircle, context.getX(), context.getY(), width, height);

      // create and set visible circle inside invisible circle
      circle = gaService.createEllipse(invisibleCircle);
      circle.setParentGraphicsAlgorithm(invisibleCircle);
      circle.setStyle(StyleUtil.getStyleForEvent(getDiagram()));
      gaService.setLocationAndSize(circle, 0, 0, width, height);

      // create link and wire it
      link(containerShape, addedEvent);
    }

    // add a chopbox anchor to the shape
    peCreateService.createChopboxAnchor(containerShape);
    if (!(addedEvent instanceof EndEvent)) {

      // create an additional box relative anchor at middle-right
      final BoxRelativeAnchor boxAnchor = peCreateService.createBoxRelativeAnchor(containerShape);
      boxAnchor.setRelativeWidth(1.0);
      boxAnchor.setRelativeHeight(0.51);
      boxAnchor.setReferencedGraphicsAlgorithm(circle);
      final Ellipse ellipse = ActivitiUiUtil.createInvisibleEllipse(boxAnchor, gaService);
      gaService.setLocationAndSize(ellipse, 0, 0, 0, 0);
    }
    layoutPictogramElement(containerShape);

    return containerShape;
  }
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    // check whether the context has a size (e.g. from a create feature)
    // otherwise define a default size for the shape
    final int width = context.getWidth() <= 0 ? 40 : context.getWidth();
    final int height = context.getHeight() <= 0 ? 40 : context.getHeight();

    final IGaService gaService = Graphiti.getGaService();

    Polygon polygon;
    {
      int xy[] = new int[] { 0, 20, 20, 0, 40, 20, 20, 40, 0, 20 };
      final Polygon invisiblePolygon = gaService.createPolygon(containerShape, xy);
      invisiblePolygon.setFilled(false);
      invisiblePolygon.setLineVisible(false);
      gaService.setLocationAndSize(invisiblePolygon, context.getX(), context.getY(), width, height);

      // create and set visible polygon inside invisible polygon
      polygon = gaService.createPolygon(invisiblePolygon, xy);
      polygon.setParentGraphicsAlgorithm(invisiblePolygon);
      polygon.setStyle(StyleUtil.getStyleForEvent(getDiagram()));
      gaService.setLocationAndSize(polygon, 0, 0, width, height);

      // create link and wire it
      link(containerShape, addedGateway);
    }

    {
      final Shape shape = peCreateService.createShape(containerShape, false);
      final Image image = gaService.createImage(shape, PluginImage.IMG_GATEWAY_EVENT.getImageKey());
      image.setWidth(IMAGE_SIZE);
      image.setHeight(IMAGE_SIZE);

      gaService.setLocationAndSize(image, (width - IMAGE_SIZE) / 2, (height - IMAGE_SIZE) / 2, IMAGE_SIZE, IMAGE_SIZE);
    }

    {
      // add a chopbox anchor to the shape
      peCreateService.createChopboxAnchor(containerShape);
      final BoxRelativeAnchor boxAnchor = peCreateService.createBoxRelativeAnchor(containerShape);
      boxAnchor.setRelativeWidth(0.51);
      boxAnchor.setRelativeHeight(0.10);
      boxAnchor.setReferencedGraphicsAlgorithm(polygon);
      final Ellipse ellipse = ActivitiUiUtil.createInvisibleEllipse(boxAnchor, gaService);
      gaService.setLocationAndSize(ellipse, 0, 0, 0, 0);
    }

    {
      // add a another chopbox anchor to the shape
      peCreateService.createChopboxAnchor(containerShape);
      final BoxRelativeAnchor boxAnchor2 = peCreateService.createBoxRelativeAnchor(containerShape);
      boxAnchor2.setRelativeWidth(0.51);
      boxAnchor2.setRelativeHeight(0.93);
      boxAnchor2.setReferencedGraphicsAlgorithm(polygon);
      final Ellipse ellipse = ActivitiUiUtil.createInvisibleEllipse(boxAnchor2, gaService);
      gaService.setLocationAndSize(ellipse, 0, 0, 0, 0);
    }

    // call the layout feature
    layoutPictogramElement(containerShape);
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    final ContainerShape parent = context.getTargetContainer();

    // CONTAINER SHAPE WITH ROUNDED RECTANGLE
    final IPeCreateService peCreateService = Graphiti.getPeCreateService();
    final ContainerShape containerShape = peCreateService.createContainerShape(parent, true);
    final IGaService gaService = Graphiti.getGaService();

    DiagramBaseShape baseShape = DiagramBaseShape.ACTIVITY;

    if (ExtensionUtil.isCustomServiceTask(addedTask)) {
      final ServiceTask serviceTask = (ServiceTask) addedTask;
      final List<CustomServiceTask> customServiceTasks = ExtensionUtil.getCustomServiceTasks(ActivitiUiUtil.getProjectFromDiagram(getDiagram()));

      CustomServiceTask targetTask = null;

      for (final CustomServiceTask customServiceTask : customServiceTasks) {
        if (customServiceTask.getId().equals(serviceTask.getExtensionId())) {
          targetTask = customServiceTask;
          break;
        }
      }

      if (!DiagramBaseShape.ACTIVITY.equals(targetTask.getDiagramBaseShape())) {
        baseShape = targetTask.getDiagramBaseShape();
      }
    }

    int width = 0;
    int height = 0;
    GraphicsAlgorithm algorithm = null;

    switch (baseShape) {
    case ACTIVITY:
      // check whether the context has a size (e.g. from a create feature)
      // otherwise define a default size for the shape
      width = context.getWidth() <= 0 ? 105 : context.getWidth();
      height = context.getHeight() <= 0 ? 55 : context.getHeight();

      RoundedRectangle roundedRectangle; // need to access it later
      {
        // create invisible outer rectangle expanded by
        // the width needed for the anchor
        final Rectangle invisibleRectangle = gaService.createInvisibleRectangle(containerShape);
        gaService.setLocationAndSize(invisibleRectangle, context.getX(), context.getY(), width, height);

        // create and set visible rectangle inside invisible rectangle
        roundedRectangle = gaService.createRoundedRectangle(invisibleRectangle, 20, 20);
        algorithm = roundedRectangle;
        roundedRectangle.setParentGraphicsAlgorithm(invisibleRectangle);
        roundedRectangle.setStyle(StyleUtil.getStyleForTask(getDiagram()));
        gaService.setLocationAndSize(roundedRectangle, 0, 0, width, height);

        // create link and wire it
        link(containerShape, addedTask);
      }
      break;
    case GATEWAY:
      // check whether the context has a size (e.g. from a create feature)
      // otherwise define a default size for the shape
      width = context.getWidth() <= 0 ? 60 : context.getWidth();
      height = context.getHeight() <= 0 ? 60 : context.getHeight();

      Polygon polygon;
      {
        int xy[] = new int[] { 0, 30, 30, 0, 60, 30, 30, 60, 0, 30 };

        final Polygon invisiblePolygon = gaService.createPolygon(containerShape, xy);
        invisiblePolygon.setFilled(false);
        invisiblePolygon.setLineVisible(false);
        gaService.setLocationAndSize(invisiblePolygon, context.getX(), context.getY(), width, height);

        // create and set visible circle inside invisible circle
        polygon = gaService.createPolygon(invisiblePolygon, xy);
        algorithm = polygon;
        polygon.setParentGraphicsAlgorithm(invisiblePolygon);
        polygon.setStyle(StyleUtil.getStyleForTask(getDiagram()));
        gaService.setLocationAndSize(polygon, 0, 0, width, height);

        // create link and wire it
        link(containerShape, addedTask);
      }
      break;
    case EVENT:
      // check whether the context has a size (e.g. from a create feature)
      // otherwise define a default size for the shape
      width = context.getWidth() <= 0 ? 55 : context.getWidth();
      height = context.getHeight() <= 0 ? 55 : context.getHeight();

      Ellipse circle;
      {
        final Ellipse invisibleCircle = gaService.createEllipse(containerShape);
        invisibleCircle.setFilled(false);
        invisibleCircle.setLineVisible(false);
        gaService.setLocationAndSize(invisibleCircle, context.getX(), context.getY(), width, height);

        // create and set visible circle inside invisible circle
        circle = gaService.createEllipse(invisibleCircle);
        circle.setParentGraphicsAlgorithm(invisibleCircle);
        circle.setStyle(StyleUtil.getStyleForTask(getDiagram()));
        gaService.setLocationAndSize(circle, 0, 0, width, height);

        // create link and wire it
        link(containerShape, addedTask);
      }
      break;
    }

    // SHAPE WITH TEXT
    {
      // create shape for text
      final Shape shape = peCreateService.createShape(containerShape, false);

      // create and set text graphics algorithm
      final MultiText text = gaService.createDefaultMultiText(getDiagram(), shape, addedTask.getName());
      text.setStyle(StyleUtil.getStyleForTask(getDiagram()));
      text.setHorizontalAlignment(Orientation.ALIGNMENT_CENTER);
      text.setVerticalAlignment(Orientation.ALIGNMENT_CENTER);
      if (OSUtil.getOperatingSystem() == OSEnum.Mac) {
        text.setFont(gaService.manageFont(getDiagram(), text.getFont().getName(), 11));
      }

      switch (baseShape) {
      case ACTIVITY:
        gaService.setLocationAndSize(text, 0, 20, width, height - 25);
        break;
      case GATEWAY:
        gaService.setLocationAndSize(text, 0, height + 5, width, 40);
        break;
      case EVENT:
        gaService.setLocationAndSize(text, 0, height + 5, width, 40);
        break;
      }

      // create link and wire it
      link(shape, addedTask);

      // provide information to support direct-editing directly
      // after object creation (must be activated additionally)
      final IDirectEditingInfo directEditingInfo = getFeatureProvider().getDirectEditingInfo();
      // set container shape for direct editing after object creation
      directEditingInfo.setMainPictogramElement(containerShape);
      // set shape and graphics algorithm where the editor for
      // direct editing shall be opened after object creation
      directEditingInfo.setPictogramElement(shape);
      directEditingInfo.setGraphicsAlgorithm(text);
    }

    {
      final Shape shape = peCreateService.createShape(containerShape, false);
      final Image image = gaService.createImage(shape, getIcon(addedTask));

      switch (baseShape) {
      case ACTIVITY:
        gaService.setLocationAndSize(image, 5, 5, IMAGE_SIZE, IMAGE_SIZE);
        break;
      case GATEWAY:
        gaService.setLocationAndSize(image, (width - IMAGE_SIZE) / 2, (height - IMAGE_SIZE) / 2, IMAGE_SIZE, IMAGE_SIZE);
        break;
      case EVENT:
        gaService.setLocationAndSize(image, (width - IMAGE_SIZE) / 2, (height - IMAGE_SIZE) / 2, IMAGE_SIZE, IMAGE_SIZE);
        break;
      }

    }

    // add a chopbox anchor to the shape
    peCreateService.createChopboxAnchor(containerShape);

    // create an additional box relative anchor at middle-right
    final BoxRelativeAnchor boxAnchor = peCreateService.createBoxRelativeAnchor(containerShape);
    boxAnchor.setRelativeWidth(1.0);
    boxAnchor.setRelativeHeight(0.51);
    boxAnchor.setReferencedGraphicsAlgorithm(algorithm);
    final Ellipse ellipse = ActivitiUiUtil.createInvisibleEllipse(boxAnchor, gaService);
    gaService.setLocationAndSize(ellipse, 0, 0, 0, 0);
    layoutPictogramElement(containerShape);

    return containerShape;
  }
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    // check whether the context has a size (e.g. from a create feature)
    // otherwise define a default size for the shape
    final int width = context.getWidth() <= 0 ? 205 : context.getWidth();
    final int height = context.getHeight() <= 0 ? 205 : context.getHeight();

    final IGaService gaService = Graphiti.getGaService();
    RoundedRectangle roundedRectangle; // need to access it later
    {
      // create invisible outer rectangle expanded by
      // the width needed for the anchor
      final Rectangle invisibleRectangle = gaService.createInvisibleRectangle(containerShape);
      gaService.setLocationAndSize(invisibleRectangle, context.getX(), context.getY(), width, height);

      // create and set visible rectangle inside invisible rectangle
      roundedRectangle = gaService.createRoundedRectangle(invisibleRectangle, 5, 5);
      roundedRectangle.setParentGraphicsAlgorithm(invisibleRectangle);
      roundedRectangle.setBackground(gaService.manageColor(getDiagram(), IColorConstant.WHITE));
      roundedRectangle.setLineStyle(LineStyle.DOT);
      gaService.setLocationAndSize(roundedRectangle, 0, 0, width, height);

      // create link and wire it
      link(containerShape, addedSubProcess);
    }

    // SHAPE WITH TEXT
    {
      // create shape for text
      final Shape shape = peCreateService.createShape(containerShape, false);

      // create and set text graphics algorithm
      final Text text = gaService.createDefaultText(getDiagram(), shape, addedSubProcess.getName());
      text.setStyle(StyleUtil.getStyleForEvent(getDiagram()));
      text.setHorizontalAlignment(Orientation.ALIGNMENT_CENTER);
      text.setVerticalAlignment(Orientation.ALIGNMENT_CENTER);
      Font font = null;
      if (OSUtil.getOperatingSystem() == OSEnum.Mac) {
        font = gaService.manageFont(getDiagram(), text.getFont().getName(), 11, false, true);
      } else {
        font = gaService.manageDefaultFont(getDiagram(), false, true);
      }
      text.setFont(font);
      gaService.setLocationAndSize(text, 0, 0, width, 20);

      // create link and wire it
      link(shape, addedSubProcess);

      // provide information to support direct-editing directly
      // after object creation (must be activated additionally)
      final IDirectEditingInfo directEditingInfo = getFeatureProvider().getDirectEditingInfo();
      // set container shape for direct editing after object creation
      directEditingInfo.setMainPictogramElement(containerShape);
      // set shape and graphics algorithm where the editor for
      // direct editing shall be opened after object creation
      directEditingInfo.setPictogramElement(shape);
      directEditingInfo.setGraphicsAlgorithm(text);
    }

    // add a chopbox anchor to the shape
    peCreateService.createChopboxAnchor(containerShape);

    final BoxRelativeAnchor boxAnchor = peCreateService.createBoxRelativeAnchor(containerShape);
    boxAnchor.setRelativeWidth(1.0);
    boxAnchor.setRelativeHeight(0.51);
    boxAnchor.setReferencedGraphicsAlgorithm(roundedRectangle);
    final Ellipse ellipse = ActivitiUiUtil.createInvisibleEllipse(boxAnchor, gaService);
    gaService.setLocationAndSize(ellipse, 0, 0, 0, 0);
    layoutPictogramElement(containerShape);

    return containerShape;
  }
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    // check whether the context has a size (e.g. from a create feature)
    // otherwise define a default size for the shape
    final int width = context.getWidth() <= 0 ? 500 : context.getWidth();
    final int height = context.getHeight() <= 0 ? 150 : context.getHeight();

    final IGaService gaService = Graphiti.getGaService();
    {
      // create invisible outer rectangle expanded by
      // the width needed for the anchor
      final Rectangle invisibleRectangle = gaService.createInvisibleRectangle(containerShape);
      gaService.setLocationAndSize(invisibleRectangle, context.getX(), context.getY(), width, height);

      // create and set visible rectangle inside invisible rectangle
      Rectangle rectangle = gaService.createRectangle(invisibleRectangle);
      rectangle.setParentGraphicsAlgorithm(invisibleRectangle);
      rectangle.setStyle(StyleUtil.getStyleForPool(getDiagram()));
      gaService.setLocationAndSize(rectangle, 0, 0, width, height);

      // create link and wire it
      link(containerShape, addedPool);
    }

    // SHAPE WITH TEXT
    {
      // create shape for text
      final Shape shape = peCreateService.createShape(containerShape, false);

      // create and set text graphics algorithm
      final Text text = gaService.createDefaultText(getDiagram(), shape, addedPool.getName());
      text.setStyle(StyleUtil.getStyleForEvent(getDiagram()));
      text.setHorizontalAlignment(Orientation.ALIGNMENT_CENTER);
      text.setVerticalAlignment(Orientation.ALIGNMENT_MIDDLE);
      gaService.setLocationAndSize(text, 0, 0, 20, height);
      text.setAngle(-90);
      Font font = null;
      if (OSUtil.getOperatingSystem() == OSEnum.Mac) {
        font = gaService.manageFont(getDiagram(), text.getFont().getName(), 11, false, true);
      } else {
        font = gaService.manageDefaultFont(getDiagram(), false, true);
      }
      text.setFont(font);

      // create link and wire it
      link(shape, addedPool);
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    int x = context.getX();
    int y = context.getY();
    int width = context.getWidth();
    int height = context.getHeight();

    final IGaService gaService = Graphiti.getGaService();
    {
      // create invisible outer rectangle expanded by
      // the width needed for the anchor
      final Rectangle invisibleRectangle = gaService.createInvisibleRectangle(containerShape);
      gaService.setLocationAndSize(invisibleRectangle, x, y, width, height);

      // create and set visible rectangle inside invisible rectangle
      Rectangle rectangle = gaService.createRectangle(invisibleRectangle);
      rectangle.setParentGraphicsAlgorithm(invisibleRectangle);
      rectangle.setStyle(StyleUtil.getStyleForPool(getDiagram()));
      gaService.setLocationAndSize(rectangle, 0, 0, width, height);

      // create link and wire it
      link(containerShape, addedLane);
    }

    // SHAPE WITH TEXT
    {
      // create shape for text
      final Shape shape = peCreateService.createShape(containerShape, false);

      // create and set text graphics algorithm
      final Text text = gaService.createDefaultText(getDiagram(), shape, addedLane.getName());
      text.setStyle(StyleUtil.getStyleForEvent(getDiagram()));
      text.setHorizontalAlignment(Orientation.ALIGNMENT_CENTER);
      gaService.setLocationAndSize(text, 0, 0, 20, height);
      text.setAngle(-90);
      Font font = null;
      if (OSUtil.getOperatingSystem() == OSEnum.Mac) {
        font = gaService.manageFont(getDiagram(), text.getFont().getName(), 11, false, true);
      } else {
        font = gaService.manageDefaultFont(getDiagram(), false, true);
      }
      text.setFont(font);

      // create link and wire it
      link(shape, addedLane);
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    // check whether the context has a size (e.g. from a create feature)
    // otherwise define a default size for the shape
    final int width = context.getWidth() <= 0 ? 40 : context.getWidth();
    final int height = context.getHeight() <= 0 ? 40 : context.getHeight();

    final IGaService gaService = Graphiti.getGaService();

    Polygon polygon;
    {
      int xy[] = new int[] { 0, 20, 20, 0, 40, 20, 20, 40, 0, 20 };
      final Polygon invisiblePolygon = gaService.createPolygon(containerShape, xy);
      invisiblePolygon.setFilled(false);
      invisiblePolygon.setLineVisible(false);
      gaService.setLocationAndSize(invisiblePolygon, context.getX(), context.getY(), width, height);

      // create and set visible circle inside invisible circle
      polygon = gaService.createPolygon(invisiblePolygon, xy);
      polygon.setParentGraphicsAlgorithm(invisiblePolygon);
      polygon.setStyle(StyleUtil.getStyleForEvent(getDiagram()));
      gaService.setLocationAndSize(polygon, 0, 0, width, height);

      // create link and wire it
      link(containerShape, addedGateway);
    }
   
    {
      final Shape shape = peCreateService.createShape(containerShape, false);
     
      final Polyline polyline = gaService.createPolyline(shape, new int[] { width - 10, 10, 10, height - 10 });
      polyline.setLineWidth(5);
      polyline.setStyle(StyleUtil.getStyleForEvent(getDiagram()));
    }
   
    {
      final Shape shape = peCreateService.createShape(containerShape, false);
      final Polyline polyline = gaService.createPolyline(shape, new int[] { 10, 10, width - 10, height - 10});
      polyline.setLineWidth(5);
      polyline.setStyle(StyleUtil.getStyleForEvent(getDiagram()));
    }

    {
      // add a chopbox anchor to the shape
      peCreateService.createChopboxAnchor(containerShape);
      final BoxRelativeAnchor boxAnchor = peCreateService.createBoxRelativeAnchor(containerShape);
      boxAnchor.setRelativeWidth(0.51);
      boxAnchor.setRelativeHeight(0.10);
      boxAnchor.setReferencedGraphicsAlgorithm(polygon);
      final Ellipse ellipse = ActivitiUiUtil.createInvisibleEllipse(boxAnchor, gaService);
      gaService.setLocationAndSize(ellipse, 0, 0, 0, 0);
    }

    {
      // add a another chopbox anchor to the shape
      peCreateService.createChopboxAnchor(containerShape);
      final BoxRelativeAnchor boxAnchor2 = peCreateService.createBoxRelativeAnchor(containerShape);
      boxAnchor2.setRelativeWidth(0.51);
      boxAnchor2.setRelativeHeight(0.93);
      boxAnchor2.setReferencedGraphicsAlgorithm(polygon);
      final Ellipse ellipse = ActivitiUiUtil.createInvisibleEllipse(boxAnchor2, gaService);
      gaService.setLocationAndSize(ellipse, 0, 0, 0, 0);
    }

    // call the layout feature
    layoutPictogramElement(containerShape);
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    // check whether the context has a size (e.g. from a create feature)
    // otherwise define a default size for the shape
    final int width = context.getWidth() <= 0 ? 40 : context.getWidth();
    final int height = context.getHeight() <= 0 ? 40 : context.getHeight();

    final IGaService gaService = Graphiti.getGaService();

    Polygon polygon;
    {
      int xy[] = new int[] { 0, 20, 20, 0, 40, 20, 20, 40, 0, 20 };
      final Polygon invisiblePolygon = gaService.createPolygon(containerShape, xy);
      invisiblePolygon.setFilled(false);
      invisiblePolygon.setLineVisible(false);
      gaService.setLocationAndSize(invisiblePolygon, context.getX(), context.getY(), width, height);

      // create and set visible circle inside invisible circle
      polygon = gaService.createPolygon(invisiblePolygon, xy);
      polygon.setParentGraphicsAlgorithm(invisiblePolygon);
      polygon.setStyle(StyleUtil.getStyleForEvent(getDiagram()));
      gaService.setLocationAndSize(polygon, 0, 0, width, height);

      // create link and wire it
      link(containerShape, addedGateway);
    }
   
    {
      final Shape shape = peCreateService.createShape(containerShape, false);
     
      final Polyline polyline = gaService.createPolyline(shape, new int[] { 6, 19, width - 6, 19 });
      polyline.setLineWidth(5);
      polyline.setStyle(StyleUtil.getStyleForEvent(getDiagram()));
    }
   
    {
      final Shape shape = peCreateService.createShape(containerShape, false);
     
      final Polyline polyline = gaService.createPolyline(shape, new int[] { 18, 6, 18, height - 6 });
      polyline.setLineWidth(5);
      polyline.setStyle(StyleUtil.getStyleForEvent(getDiagram()));
    }

    {
      // add a chopbox anchor to the shape
      peCreateService.createChopboxAnchor(containerShape);
      final BoxRelativeAnchor boxAnchor = peCreateService.createBoxRelativeAnchor(containerShape);
      boxAnchor.setRelativeWidth(0.51);
      boxAnchor.setRelativeHeight(0.10);
      boxAnchor.setReferencedGraphicsAlgorithm(polygon);
      final Ellipse ellipse = ActivitiUiUtil.createInvisibleEllipse(boxAnchor, gaService);
      gaService.setLocationAndSize(ellipse, 0, 0, 0, 0);
    }

    {
      // add a another chopbox anchor to the shape
      peCreateService.createChopboxAnchor(containerShape);
      final BoxRelativeAnchor boxAnchor2 = peCreateService.createBoxRelativeAnchor(containerShape);
      boxAnchor2.setRelativeWidth(0.51);
      boxAnchor2.setRelativeHeight(0.93);
      boxAnchor2.setReferencedGraphicsAlgorithm(polygon);
      final Ellipse ellipse = ActivitiUiUtil.createInvisibleEllipse(boxAnchor2, gaService);
      gaService.setLocationAndSize(ellipse, 0, 0, 0, 0);
    }

    // call the layout feature
    layoutPictogramElement(containerShape);
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