Bug 189490 [CommonNavigator] Go To->Resource won't enable
I0524 1. Open the Project Explorer in the Resource perspective 2. Create a vanilla project P 3. Create a folder F 4. Create a file resource R Open the Navigate->Go To file. "Resource..." will remain disabled.
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/navigator/CommonViewer.java
PipelinedViewerUpdate update = new PipelinedViewerUpdate();
			update.getRefreshTargets().add(element);
			update.setUpdateLabels(updateLabels);
			
			if (pipeDream.interceptRefresh(update)) {
				
				boolean toUpdateLabels = update.isUpdateLabels();
				for (Iterator iter = update.getRefreshTargets().iterator(); iter
						.hasNext();) {
					super.refresh(iter.next(), toUpdateLabels);
				}
			} else {
				super.refresh(element, updateLabels);
			}
		} else {
			super.refresh(element, updateLabels);
		}
	}
	
	/*
	 *  (non-Javadoc)
	 * @see org.eclipse.jface.viewers.Viewer#setSelection(org.eclipse.jface.viewers.ISelection, boolean)
	 */
	public void setSelection(ISelection selection, boolean reveal) { 
		if(selection instanceof IStructuredSelection) {
			IStructuredSelection sSelection = (IStructuredSelection) selection;
			
			INavigatorPipelineService pipeDream = contentService
					.getPipelineService();
			PipelinedViewerUpdate update = new PipelinedViewerUpdate();