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;
}
public boolean layout(ILayoutContext context) {
boolean anythingChanged = false;
ContainerShape containerShape = (ContainerShape) context.getPictogramElement();
GraphicsAlgorithm containerGa = containerShape.getGraphicsAlgorithm();
// height
if (containerGa.getHeight() < MIN_HEIGHT) {
containerGa.setHeight(MIN_HEIGHT);
anythingChanged = true;
}
// width
if (containerGa.getWidth() < MIN_WIDTH) {
containerGa.setWidth(MIN_WIDTH);
anythingChanged = true;
}
int containerWidth = containerGa.getWidth();
for (Shape shape : containerShape.getChildren()) {
GraphicsAlgorithm graphicsAlgorithm = shape.getGraphicsAlgorithm();
IGaService gaService = Graphiti.getGaService();
IDimension size = gaService.calculateSize(graphicsAlgorithm);
if (containerWidth != size.getWidth()) {
if (graphicsAlgorithm instanceof Polyline) {
Polyline polyline = (Polyline) graphicsAlgorithm;
Point secondPoint = polyline.getPoints().get(1);
Point newSecondPoint = gaService.createPoint(containerWidth, secondPoint.getY());
polyline.getPoints().set(1, newSecondPoint);
anythingChanged = true;
} else {
gaService.setWidth(graphicsAlgorithm, containerWidth);
anythingChanged = true;
}
}
}
return anythingChanged;
}
@Override
public void resizeShape(IResizeShapeContext context) {
ResizeShapeContext resizeShapeContext = (ResizeShapeContext) context;
ContainerShape containerShape = (ContainerShape) context.getPictogramElement();
Activity activity = BusinessObjectUtil.getFirstElementOfType(containerShape, Activity.class);
try {
BPMNShape shape =
(BPMNShape)
ModelHandlerLocator.getModelHandler(getDiagram().eResource()).findDIElement(activity);
if (shape.isIsExpanded()) {
// SubProcess is expanded
GraphicsAlgorithm parentGa = containerShape.getGraphicsAlgorithm();
int newWidth = resizeShapeContext.getWidth();
int newHeight = resizeShapeContext.getHeight();
SizeCalculator sizeCalc = new SizeCalculator(containerShape);
int shiftX = sizeCalc.shiftX;
int shiftY = sizeCalc.shiftY;
int minWidth = sizeCalc.minWidth;
int minHeight = sizeCalc.minHeight;
if (shiftX < 0) {
for (PictogramElement pe : FeatureSupport.getContainerChildren(containerShape)) {
GraphicsAlgorithm childGa = pe.getGraphicsAlgorithm();
if (childGa != null) {
int x = childGa.getX() - shiftX + MARGIN;
childGa.setX(x);
}
}
resizeShapeContext.setX(resizeShapeContext.getX() + shiftX - MARGIN);
shiftX = MARGIN;
}
if (shiftY < 0) {
for (PictogramElement pe : FeatureSupport.getContainerChildren(containerShape)) {
GraphicsAlgorithm childGa = pe.getGraphicsAlgorithm();
if (childGa != null) {
int y = childGa.getY() - shiftY + MARGIN;
childGa.setY(y);
}
}
resizeShapeContext.setY(resizeShapeContext.getY() + shiftY - MARGIN);
shiftX = MARGIN;
}
if (shiftX < MARGIN) shiftX = MARGIN;
if (shiftY < MARGIN) shiftY = MARGIN;
minWidth += 2 * MARGIN;
minHeight += 2 * MARGIN;
if (newWidth < minWidth) {
parentGa.setWidth(minWidth);
}
if (newWidth < shiftX + minWidth) {
int shift = shiftX + minWidth - newWidth;
if (shift > shiftX - MARGIN) {
shift = shiftX - MARGIN;
}
if (shift > 0) {
for (PictogramElement pe : FeatureSupport.getContainerChildren(containerShape)) {
GraphicsAlgorithm childGa = pe.getGraphicsAlgorithm();
if (childGa != null) {
int x = childGa.getX() - shift;
childGa.setX(x);
}
}
}
}
if (newHeight < minHeight) {
parentGa.setHeight(minHeight);
}
if (newHeight < shiftY + minHeight) {
int shift = shiftY + minHeight - newHeight;
if (shift > shiftY - MARGIN) {
shift = shiftY - MARGIN;
}
if (shift > 0) {
for (PictogramElement pe : FeatureSupport.getContainerChildren(containerShape)) {
GraphicsAlgorithm childGa = pe.getGraphicsAlgorithm();
if (childGa != null) {
int y = childGa.getY() - shift;
childGa.setY(y);
}
}
}
}
if (resizeShapeContext.getWidth() < minWidth) resizeShapeContext.setWidth(minWidth);
if (resizeShapeContext.getHeight() < minHeight) resizeShapeContext.setHeight(minHeight);
} else {
// SubProcess is collapsed
for (PictogramElement pe : FeatureSupport.getContainerDecorators(containerShape)) {
GraphicsAlgorithm childGa = pe.getGraphicsAlgorithm();
if (childGa != null) {
childGa.setWidth(GraphicsUtil.getActivitySize(getDiagram()).getWidth());
childGa.setHeight(GraphicsUtil.getActivitySize(getDiagram()).getHeight());
}
}
resizeShapeContext.setWidth(GraphicsUtil.getActivitySize(getDiagram()).getWidth());
resizeShapeContext.setHeight(GraphicsUtil.getActivitySize(getDiagram()).getHeight());
}
} catch (Exception e) {
Activator.logError(e);
}
Graphiti.getPeService().sendToBack(containerShape);
super.resizeShape(context);
}