return super.canCopySourceFolders(dest) && !destinationIsParent(getElements(), javaProject);
if (javaProject == null) return false; if (! javaProject.exists()) return true; if (destinationIsParent(getElements(), javaProject)) return false; return true;
	boolean canCopySourceFolders(Object dest) throws JavaModelException{		IJavaProject javaProject= JavaCore.create(getDestinationForSourceFolders(dest));		return super.canCopySourceFolders(dest) && !destinationIsParent(getElements(), javaProject);	}