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

java.lang.Object
  com.google.gwt.visualization.client.events.Handler
      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.