public static void createParts(
MApplication application, EModelService service, EPartService partService) {
// Sometimes, when switching windows at startup, the active context
// is null or doesn't have a window, and the part instantiation fails.
// Ensure that a child context with a window is activated:
IEclipseContext activeChild = application.getContext().getActiveChild();
if (activeChild == null || activeChild.get(MTrimmedWindow.class) == null) {
boolean activated = false;
if (application.getContext() instanceof EclipseContext) {
for (IEclipseContext child : ((EclipseContext) application.getContext()).getChildren()) {
MTrimmedWindow window = child.get(MTrimmedWindow.class);
if (window != null) {
child.activate();
activated = true;
break;
}
}
}
if (!activated) {
logger.error("Could not activate window for part instantiation"); // $NON-NLS-1$
return;
}
}
List<MPart> ontops = new ArrayList<MPart>();
for (MPartDescriptor descriptor : application.getDescriptors()) {
if (!(descriptor.getPersistedState().containsKey(VISIBLE_ID)
&& Boolean.toString(true)
.equalsIgnoreCase(descriptor.getPersistedState().get(VISIBLE_ID)))) {
continue;
}
List<MPart> existingParts =
service.findElements(application, descriptor.getElementId(), MPart.class, null);
if (!existingParts.isEmpty()) {
// part is already instantiated
continue;
}
MPart part = partService.createPart(descriptor.getElementId());
if (part == null) {
continue;
}
addPartToAppropriateContainer(part, descriptor, application, service);
partService.activate(part);
if (descriptor.getPersistedState().containsKey(ONTOP_ID)
&& Boolean.toString(true)
.equalsIgnoreCase(descriptor.getPersistedState().get(ONTOP_ID))) {
ontops.add(part);
}
}
// reactivate ontop parts to ensure they are on-top
for (MPart ontop : ontops) {
partService.activate(ontop);
}
}
@Override
public MPartDescriptor getPartDescriptor(String id) {
MApplication application = appContext.get(MApplication.class);
// If the id contains a ':' use the part before it as the descriptor id
int colonIndex = id == null ? -1 : id.indexOf(':');
String descId = colonIndex == -1 ? id : id.substring(0, colonIndex);
for (MPartDescriptor descriptor : application.getDescriptors()) {
if (descriptor.getElementId().equals(descId)) {
return descriptor;
}
}
return null;
}