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/internal/navigator/CommonNavigatorActionGroup.java
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package org.eclipse.ui.internal.navigator;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.commands.ActionHandler;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IWorkbenchActionConstants;
import org.eclipse.ui.actions.ActionGroup;
import org.eclipse.ui.handlers.CollapseAllHandler;
import org.eclipse.ui.handlers.IHandlerService;
import org.eclipse.ui.internal.navigator.actions.CollapseAllAction;
import org.eclipse.ui.internal.navigator.actions.LinkEditorAction;
import org.eclipse.ui.internal.navigator.filters.FilterActionGroup;
import org.eclipse.ui.navigator.CommonNavigator;
import org.eclipse.ui.navigator.CommonViewer;
import org.eclipse.ui.navigator.INavigatorViewerDescriptor;
import org.eclipse.ui.navigator.LinkHelperService;
/**
 * 
 * 
 * @since 3.2
 */
public class CommonNavigatorActionGroup extends ActionGroup {
	private LinkEditorAction toggleLinkingAction;
	private CollapseAllAction collapseAllAction;
	private FilterActionGroup filterGroup;
	private final CommonViewer commonViewer;
	private CommonNavigator commonNavigator;
	private final LinkHelperService linkHelperService;
	private CollapseAllHandler collapseAllHandler;