Bug 267242 [JFace] Add API to configure table and tree columns in a keyboard-accessible way
bundles/org.eclipse.ui.views/src/org/eclipse/ui/views/properties/PropertySheetPage.java
public void makeContributions(IMenuManager menuManager,
            IToolBarManager toolBarManager, IStatusLineManager statusLineManager) {
        
        toolBarManager.add(categoriesAction);
        toolBarManager.add(filterAction);
        toolBarManager.add(defaultsAction);
        
        menuManager.add(categoriesAction);
        menuManager.add(filterAction);
        menuManager.add(columnsAction);
        
        viewer.setStatusLineManager(statusLineManager);
    }
    /**
     * Updates the model for the viewer.
     * <p>
     * Note that this means ensuring that the model reflects the state
     * of the current viewer input.
     * </p>
     */
    public void refresh() {
        if (viewer == null) {
			return;
		}
        
        viewer.setInput(viewer.getInput());
    }
    /* (non-Javadoc)
     * Method declared on ISelectionListener.
     */