protected ICreateContext createCreateContext(ContainerShape target, Rectangle rect) {
CreateContext ret = new CreateContext();
ret.setTargetContainer(target);
ret.setX(rect.x);
ret.setY(rect.y);
ret.setWidth(rect.width);
ret.setHeight(rect.height);
return ret;
}
protected ContainerShape createNewShape(
ModelHandler mh, ContainerShape oldShape, EClass newType) {
ILayoutService layoutService = Graphiti.getLayoutService();
boolean horz = Bpmn2Preferences.getInstance().isHorizontalDefault();
ILocation loc = layoutService.getLocationRelativeToDiagram(oldShape);
int x = loc.getX();
int y = loc.getY();
int xOffset = 0;
int yOffset = 0;
GraphicsAlgorithm ga = oldShape.getGraphicsAlgorithm();
int width = ga.getWidth();
int height = ga.getHeight();
BPMN2FeatureProvider fp = (BPMN2FeatureProvider) getFeatureProvider();
AbstractCreateFeature createFeature =
(AbstractCreateFeature) fp.getCreateFeatureForBusinessObject(newType.getInstanceClass());
CreateContext createContext = new CreateContext();
createContext.putProperty(AbstractCreateFlowElementFeature.SKIP_ADD_GRAPHICS, true);
createContext.setTargetContainer(oldShape.getContainer());
FlowElement newObject = null;
if (createFeature != null) {
newObject = (FlowElement) createFeature.create(createContext)[0];
} else {
newObject = (FlowElement) mh.create(newType);
}
ContainerShape containerShape = oldShape.getContainer();
if (containerShape != getDiagram()) {
// we are adding a new shape to a control (e.g a SubProcess)
// so we need to adjust the location to be relative to the
// control instead of the diagram
loc = layoutService.getLocationRelativeToDiagram(containerShape);
xOffset = loc.getX();
yOffset = loc.getY();
}
BaseElement oldObject = BusinessObjectUtil.getFirstElementOfType(oldShape, BaseElement.class);
if (oldObject instanceof Lane) {
((Lane) oldObject).getFlowNodeRefs().add((FlowNode) newObject);
}
AddContext ac = new AddContext(new AreaContext(), newObject);
AbstractAddBpmnShapeFeature af =
(AbstractAddBpmnShapeFeature) getFeatureProvider().getAddFeature(ac);
int w = af.getDefaultWidth();
int h = af.getDefaultHeight();
if (horz) {
x += width + 50 + w / 2;
y += height / 2;
boolean done = false;
while (!done) {
done = true;
List<Shape> shapes = getFlowElementChildren(containerShape);
for (Shape s : shapes) {
if (GraphicsUtil.intersects(s, x - w / 2, y - h / 2, w, h)) {
y += 100;
done = false;
break;
}
}
}
} else {
x += width / 2;
y += height + 50 + h / 2;
boolean done = false;
while (!done) {
done = true;
List<Shape> shapes = getFlowElementChildren(containerShape);
for (Shape s : shapes) {
if (GraphicsUtil.intersects(s, x - w / 2, y - h / 2, w, h)) {
x += 100;
done = false;
break;
}
}
}
}
ac.setX(x - xOffset);
ac.setY(y - yOffset);
ac.setTargetContainer(oldShape.getContainer());
return (ContainerShape) getFeatureProvider().addIfPossible(ac);
}