Bug 330864 Add ability to find context for a UI element
bundles/org.eclipse.e4.core.contexts.debug/src/org/eclipse/e4/core/internal/contexts/debug/ui/ContextTreeProvider.java
static protected ContextsView view; 
	static protected RefreshJob refreshJob;
	private Display display;
	public ContextTreeProvider() {
		
	}
	public ContextTreeProvider(ContextsView contextView, Display display) {
		view = contextView;
		this.display = display;
		refreshJob = new RefreshJob(display);
	}
	public void setAutoUpdates(boolean update) {
		if (update) {
			if (refreshJob == null && display != null)
				refreshJob = new RefreshJob(display);
		} else {
			if (refreshJob != null) {
				refreshJob.cancel();
				refreshJob = null;
			}
		}
	}
	public void dispose() {
		if (refreshJob != null)
			refreshJob.cancel();
		view = null;
	}
	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
		
	}