Bug 34769 [Navigator] F2/F5 actions not enabled/disabled properly when closing/opening project
bundles/org.eclipse.ui.views/src/org/eclipse/ui/views/navigator/WorkspaceActionGroup.java
super.dispose();
	}
	
	public void fillActionBars(IActionBars actionBars) {
		actionBars.setGlobalActionHandler(
			IWorkbenchActionConstants.REFRESH,
			refreshAction);
		actionBars.setGlobalActionHandler(
			IWorkbenchActionConstants.BUILD_PROJECT,
			buildAction);
		actionBars.setGlobalActionHandler(
			IWorkbenchActionConstants.REBUILD_PROJECT,
			rebuildAction);
		actionBars.setGlobalActionHandler(
			IWorkbenchActionConstants.OPEN_PROJECT,
			openProjectAction);
		actionBars.setGlobalActionHandler(
			IWorkbenchActionConstants.CLOSE_PROJECT,
			closeProjectAction);
	}
	/**
	 * Adds the build, open project, close project and refresh resource
	 * actions to the context menu.
	 * <p>
	 * The following conditions apply: 
	 * 	build-only projects selected, auto build disabled, at least one 
	 * 		builder present
	 * 	open project-only projects selected, at least one closed project
	 * 	close project-only projects selected, at least one open project
	 * 	refresh-no closed project selected