/**
* Returns a {@link Set} containing all {@link IFXOnTypePolicy}s that are installed on the target
* {@link IVisualPart} for the given {@link Scene}. If an {@link IVisualPart} within the given
* {@link Scene} has keyboard focus, that part is used as the target part. Otherwise, the root
* part of the {@link IViewer} that is rendered in the given {@link Scene} is used as the target
* part.
*
* @param scene The {@link Scene} for which to determine the {@link IFXOnTypePolicy}s that are
* installed on the target {@link IVisualPart}.
* @return A {@link List} containing all {@link IFXOnTypePolicy}s that are installed on the target
* {@link IVisualPart} for the given {@link Scene}.
*/
@SuppressWarnings("serial")
protected List<? extends IFXOnTypePolicy> getTargetPolicies(Scene scene) {
IVisualPart<Node, ? extends Node> targetPart = null;
for (IViewer<Node> viewer : getDomain().getViewers().values()) {
if (viewer instanceof FXViewer) {
if (((FXViewer) viewer).getScene() == scene) {
FocusModel<Node> focusModel = viewer.getAdapter(new TypeToken<FocusModel<Node>>() {});
if (focusModel == null) {
throw new IllegalStateException("Cannot find FocusModel<Node>.");
}
IVisualPart<Node, ? extends Node> part = focusModel.getFocus();
if (part == null) {
targetPart = viewer.getRootPart();
} else {
targetPart = part;
}
break;
}
}
}
if (targetPart == null) {
return Collections.emptyList();
}
return targetPolicyResolver.getTargetPolicies(
this, targetPart.getVisual(), IFXOnTypePolicy.class);
}
