Example usage for org.eclipse.jface.internal MenuManagerEventHelper getInstance

Introduction

In this page you can find the example usage for org.eclipse.jface.internal MenuManagerEventHelper getInstance.

Prototype

public static MenuManagerEventHelper getInstance() 

Source Link

Usage

From source file:net.yatomiya.e4.ui.workbench.renderers.swt.MenuManagerRenderer.java

License:Open Source License

@PostConstruct
public void init() {
    eventBroker.subscribe(UIEvents.UILabel.TOPIC_ALL, itemUpdater);
    eventBroker.subscribe(UIEvents.UILabel.TOPIC_ALL, labelUpdater);
    eventBroker.subscribe(UIEvents.Item.TOPIC_SELECTED, selectionUpdater);
    eventBroker.subscribe(UIEvents.Item.TOPIC_ENABLED, enabledUpdater);
    eventBroker.subscribe(UIEvents.UIElement.TOPIC_ALL, toBeRenderedUpdater);

    context.set(MenuManagerRenderer.class, this);
    Display display = context.get(Display.class);
    rendererFilter = ContextInjectionFactory.make(MenuManagerRendererFilter.class, context);
    display.addFilter(SWT.Show, rendererFilter);
    display.addFilter(SWT.Hide, rendererFilter);
    display.addFilter(SWT.Dispose, rendererFilter);
    context.set(MenuManagerRendererFilter.class, rendererFilter);
    MenuManagerEventHelper.getInstance()
            .setShowHelper(ContextInjectionFactory.make(MenuManagerShowProcessor.class, context));
    MenuManagerEventHelper.getInstance()
            .setHideHelper(ContextInjectionFactory.make(MenuManagerHideProcessor.class, context));

}

---

From source file:net.yatomiya.e4.ui.workbench.renderers.swt.MenuManagerRenderer.java

License:Open Source License

@PreDestroy
public void contextDisposed() {
    eventBroker.unsubscribe(itemUpdater);
    eventBroker.unsubscribe(labelUpdater);
    eventBroker.unsubscribe(selectionUpdater);
    eventBroker.unsubscribe(enabledUpdater);
    eventBroker.unsubscribe(toBeRenderedUpdater);

    ContextInjectionFactory.uninject(MenuManagerEventHelper.getInstance().getShowHelper(), context);
    MenuManagerEventHelper.getInstance().setShowHelper(null);
    ContextInjectionFactory.uninject(MenuManagerEventHelper.getInstance().getHideHelper(), context);
    MenuManagerEventHelper.getInstance().setHideHelper(null);

    context.remove(MenuManagerRendererFilter.class);
    Display display = context.get(Display.class);
    if (display != null && !display.isDisposed() && rendererFilter != null) {
        display.removeFilter(SWT.Show, rendererFilter);
        display.removeFilter(SWT.Hide, rendererFilter);
        display.removeFilter(SWT.Dispose, rendererFilter);
    }/*w w  w .  jav a 2 s  . c  o  m*/
    if (rendererFilter != null) {
        ContextInjectionFactory.uninject(rendererFilter, context);
        rendererFilter = null;
    }
    context.remove(MenuManagerRenderer.class);
}

---