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

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

public abstract class PageHandler
extends Handler

This class handles page events for visualizations such as Table.


Nested Class Summary
 class PageHandler.PageEvent
          This event is fired when the user clicks a button to change the current page on the visualization, such as "next" or "back".
 
Constructor Summary
PageHandler()
           
 
Method Summary
protected  void onEvent(Properties properties)
          This method should be overridden by event-specific Handler subclasses.
abstract  void onPage(PageHandler.PageEvent 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

PageHandler

public PageHandler()
Method Detail

onPage

public abstract void onPage(PageHandler.PageEvent event)

onEvent

protected void onEvent(Properties properties)
                throws Properties.TypeException
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.
Throws:
Properties.TypeException - If some property of the event has an unexpected type.