com.bowstreet.webapp
Interface WebAppEventContainer

All Known Subinterfaces:

Page, WebApp

public interface WebAppEventContainer

Interface for getting/setting WebApp fired events System events on the WebApp, and Page events on a page.

Method Summary

void	addEventListener(java.lang.String eventName, java.lang.String listenerName) Add an Event Listener to WebApp or Page
java.util.Iterator	getEventListeners() Gets list of all the event listener names in use.
java.util.Iterator	getEventListeners(java.lang.String eventName) Gets list of event listeners for the specified event name.

Method Detail

addEventListener

void addEventListener(java.lang.String eventName,
                      java.lang.String listenerName)

Add an Event Listener to WebApp or Page

Parameters:

eventName - The name of the event to listen to

listenerName - The name of the method or ActionList that should be called

Example:

Add an OnLoad event handler that calls an action which was specified in builder input:
   String onLoadAction = builderInputs.getString("OnLoadAction", null);
   webApp.addEventListener(WebApp.EVENT_ONLOAD, onLoadAction);

getEventListeners

java.util.Iterator getEventListeners()

Gets list of all the event listener names in use.

Returns:

All the event listeners names.

Example:

This lists all the listeners for all the event names in use.
   // get all the event names
   Iterator i = webApp.getEventListeners();
   while (i.hasNext()) {
     String eventName = (String)i.next();
     System.out.println("Event listeners for event " + eventName + ":");
     // get all the listeners for this event name
     Iterator j = webApp.getEventListeners(eventName);
     while (j.hasNext()) {
        String listener = (String)j.next();
        System.out.println("  " + listener);
     }
   }

getEventListeners

java.util.Iterator getEventListeners(java.lang.String eventName)

Gets list of event listeners for the specified event name.

Parameters:

eventName - The name of the event to get listeners for.

Returns:

All the event listeners for the specified event.