com.google.gwt.visualization.client.events
Class ZoomOutHandler

java.lang.Object
  extended by com.google.gwt.visualization.client.events.Handler
      extended by com.google.gwt.visualization.client.events.ZoomOutHandler

public abstract class ZoomOutHandler
extends Handler

This class handles zoom out events for visualizations such as GeoMap.


Nested Class Summary
static class ZoomOutHandler.ZoomOutEvent
          The zoom out event is fired when the user clicks the zoom out button.
 
Constructor Summary
ZoomOutHandler()
           
 
Method Summary
protected  void onEvent(Properties properties)
          This method should be overridden by event-specific Handler subclasses.
abstract  void onZoomOut(ZoomOutHandler.ZoomOutEvent event)
           
 
Methods inherited from class com.google.gwt.visualization.client.events.Handler
addHandler
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ZoomOutHandler

public ZoomOutHandler()
Method Detail

onZoomOut

public abstract void onZoomOut(ZoomOutHandler.ZoomOutEvent event)

onEvent

protected void onEvent(Properties properties)
Description copied from class: Handler
This method should be overridden by event-specific Handler subclasses. The subclass should extract the event properties (if any), create a GWT Event bean object, and pass it to the event-specific callback.

Specified by:
onEvent in class Handler
Parameters:
properties - The JavaScriptObject containing data about the event.