private static void updateSPPFigure(SPPRef spp, PictogramElement pe, Color dark, Color bright) {
ContainerShape container = (ContainerShape) pe;
// we clear the figure and rebuild it
GraphicsAlgorithm invisibleRect = pe.getGraphicsAlgorithm();
invisibleRect.getGraphicsAlgorithmChildren().clear();
createSPPFigure(spp, false, container, invisibleRect, dark, bright);
GraphicsAlgorithm ga = container.getChildren().get(0).getGraphicsAlgorithm();
if (ga instanceof Text) {
((Text) ga).setValue(spp.getName());
}
}
public boolean layout(ILayoutContext context) {
boolean anythingChanged = false;
ContainerShape containerShape = (ContainerShape) context.getPictogramElement();
GraphicsAlgorithm containerGa = containerShape.getGraphicsAlgorithm();
// the containerGa is the invisible rectangle
// containing the visible rectangle as its (first and only) child
GraphicsAlgorithm rectangle = containerGa.getGraphicsAlgorithmChildren().get(0);
// height of invisible rectangle
if (containerGa.getHeight() < MIN_HEIGHT) {
containerGa.setHeight(MIN_HEIGHT);
anythingChanged = true;
}
// height of visible rectangle (same as invisible rectangle)
if (rectangle.getHeight() != containerGa.getHeight()) {
rectangle.setHeight(containerGa.getHeight());
anythingChanged = true;
}
// width of invisible rectangle
if (containerGa.getWidth() < MIN_WIDTH) {
containerGa.setWidth(MIN_WIDTH);
anythingChanged = true;
}
// width of visible rectangle (smaller than invisible rectangle)
int rectangleWidth = containerGa.getWidth() - AddNodeFeature.INVISIBLE_RIGHT_SPACE;
if (rectangle.getWidth() != rectangleWidth) {
rectangle.setWidth(rectangleWidth);
anythingChanged = true;
}
// width of text and line (same as visible rectangle)
for (Shape shape : containerShape.getChildren()) {
GraphicsAlgorithm graphicsAlgorithm = shape.getGraphicsAlgorithm();
IGaService gaService = Graphiti.getGaService();
IDimension size = gaService.calculateSize(graphicsAlgorithm);
if (rectangleWidth != size.getWidth()) {
gaService.setWidth(graphicsAlgorithm, rectangleWidth);
anythingChanged = true;
}
}
return anythingChanged;
}