DomainModel:
	(elements+=PackageDeclaration);
	
PackageDeclaration:
	'package' name=QualifiedName '{'
		elements+=Window*
	'}';

QualifiedName:
	ID ('.' ID)*;

Window:
	'window' name=ID '{'
		& 'sizeX' sizeX = INTEGER & 'sizeY' sizeY = INTEGER & ('title' title = STRING)? &
		((tabContainer=TabContainer) | (panel+=Panel)+)	 
	'}'
;

public IScope getScope(Window w, EReference eRef) {
	 // Go to graph root
	 EObject root = w;
	 while(root.eContainer() != null) {
	   root = root.eContainer();
	 }
		
	 // Traverse whole model-graph and save Containers to List
	 List<Container> container = new ArrayList<Container>();
	 for(TreeIterator<EObject> it = root.eAllContents(); it.hasNext();) {
	   EObject o = it.next();
	   if(o instanceof Container) {
		 container.add((Container)o);
	   }
	 }
	 return scopeFor(container);
}