Examples of com.google.gwt.event.shared.HandlerRegistration

com.google.gwt.event.shared.HandlerRegistration
Registration returned from a call to {@link HandlerManager#addHandler(com.google.gwt.event.shared.GwtEvent.Type,EventHandler)}. Use the handler registration to remove handlers when they are no longer needed. Note, this interface is under the control of the {@link HandlerManager} classand may be expanded over time, so extend {@link DefaultHandlerRegistration}if you do not wish to get compiler errors if we extend the handler registry functionality.

   }


   @Override
   public HandlerRegistration addCloseHandler(CloseHandler<java.lang.Void> handler)
   {
      return new HandlerRegistration()
      {
         public void removeHandler()
         {
         }
      };

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      return view_.asWidget();
   }


   public HandlerRegistration addEnsureVisibleHandler(EnsureVisibleHandler handler)
   {
      return new HandlerRegistration()
      {
         public void removeHandler()
         {
         }
      };

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      };
   }
   
   public HandlerRegistration addEnsureHeightHandler(EnsureHeightHandler handler)
   {
      return new HandlerRegistration()
      {
         public void removeHandler()
         {
         }
      };

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      return view_.asWidget();
   }


   public HandlerRegistration addEnsureVisibleHandler(EnsureVisibleHandler handler)
   {
      return new HandlerRegistration()
      {
         public void removeHandler()
         {
         }
      };

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      };
   }
   
   public HandlerRegistration addEnsureHeightHandler(EnsureHeightHandler handler)
   {
      return new HandlerRegistration()
      {
         public void removeHandler()
         {
         }
      };

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   }


   @Override
   public HandlerRegistration addCloseHandler(CloseHandler<java.lang.Void> handler)
   {
      return new HandlerRegistration()
      {
         public void removeHandler()
         {
         }
      };

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      handles.add(addDomListener(getTextInputElement(), "keydown", handlers));
      handles.add(addDomListener(getTextInputElement(), "keypress", handlers));
      handles.add(addDomListener(this.<Element>cast(), "focus", handlers));
      handles.add(addDomListener(this.<Element>cast(), "blur", handlers));


      return new HandlerRegistration()
      {
         public void removeHandler()
         {
            while (!handles.isEmpty())
               removeDomListener(handles.remove());

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         CommandWithArg<T> command)
   {
      final JavaScriptObject functor = addEventListenerInternal(target,
                                                                event,
                                                                command);
      return new HandlerRegistration()
      {
         public void removeHandler()
         {
            invokeFunctor(functor);
         }

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    @Override
    public HandlerRegistration addValueChangeHandler(final ValueChangeHandler<String> handler) {


        changeHandlers.add(handler);


        return new HandlerRegistration() {
            @Override
            public void removeHandler() {
                changeHandlers.remove(handler);
            }
        };

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    }


    @Override
    public HandlerRegistration addClickHandler(ClickHandler handler) {
        HandlerRegistration handlerRegistration = super.addClickHandler(handler);
        this.handler = handler;
        return handlerRegistration;
    }

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