nextapp.echo2.webrender.servermessage
Class EventProcessor

java.lang.Object
  nextapp.echo2.webrender.servermessage.EventProcessor

public class EventProcessor
extends java.lang.Object

A utility class to add EchoEventProcessor message parts to the ServerMessage. EchoEventProcessor message parts are used to register/unregister client-side event listeners.

Constructor Summary

EventProcessor()

Method Summary

static void	renderEventAdd(ServerMessage serverMessage, java.lang.String eventType, java.lang.String elementId, java.lang.String eventHandler) Creates an event-add operation to register a client event listener of a particular type on an HTML element.
static void	renderEventRemove(ServerMessage serverMessage, java.lang.String eventType, java.lang.String elementId) Creates an event-remove operation to unregister a client event listener of a particular type on an HTML element.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EventProcessor

public EventProcessor()

Method Detail

renderEventAdd

public static void renderEventAdd(ServerMessage serverMessage,
                                  java.lang.String eventType,
                                  java.lang.String elementId,
                                  java.lang.String eventHandler)

Creates an event-add operation to register a client event listener of a particular type on an HTML element.

Parameters:

serverMessage - the outgoing ServerMessage

eventType - the type of event (the "on" prefix should be omitted, e.g., "onmousedown" would be expressed as "mousedown")

elementId - the id of the listened-to DOM element

eventHandler - the name of the handler method to be invoked when the event occurs, e.g., "EchoButton.processAction"

renderEventRemove

public static void renderEventRemove(ServerMessage serverMessage,
                                     java.lang.String eventType,
                                     java.lang.String elementId)

Creates an event-remove operation to unregister a client event listener of a particular type on an HTML element.

Parameters:

serverMessage - the outgoing ServerMessage

eventType - the type of event (the "on" prefix should be omitted, e.g., "onmousedown" would be expressed as "mousedown")

elementId - the id of the listened-to DOM element