Bug 28510 java build path inconsistency [build path]
20021216 select rt.jar in the package explorer open properties it allows you to set the javadoc location but for source attachment you are sent somewhere else it's inconsistent - on the java build path they both look sort of the same (they sit under the same node in the tree)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/BuildPathsBlock.java
public static interface IRemoveOldBinariesQuery {
		
		/**
		 * Do the callback. Returns <code>true</code> if .class files should be removed from the
		 * old output location.
		 */
		boolean doQuery(IPath oldOutputLocation) throws InterruptedException;
		
	}
	private IWorkspaceRoot fWorkspaceRoot;
	private CheckedListDialogField fClassPathList;
	private StringButtonDialogField fBuildPathDialogField;
	
	private StatusInfo fClassPathStatus;
	private StatusInfo fOutputFolderStatus;	
	private StatusInfo fBuildPathStatus;
	private IJavaProject fCurrJProject;
		
	private IPath fOutputLocationPath;
	
	private IStatusChangeListener fContext;
	private Control fSWTWidget;	
	
	private int fPageIndex;
	
	private SourceContainerWorkbookPage fSourceContainerPage;
	private ProjectsWorkbookPage fProjectsPage;
	private LibrariesWorkbookPage fLibrariesPage;