com.taursys.xml.event
Class RenderDispatcher

java.lang.Object
  extended bycom.taursys.xml.event.Dispatcher
      extended bycom.taursys.xml.event.RenderDispatcher

public class RenderDispatcher
extends Dispatcher

Component responsible for receiving and dispatching RenderEvents. Components should register with this component to be notified whenever their events occur.


Field Summary
 
Fields inherited from class com.taursys.xml.event.Dispatcher
components, map
 
Constructor Summary
RenderDispatcher(Container c)
          Creates new RenderDispatcher with given Container as parent.
 
Method Summary
 void dispatch()
          Dispatches a RenderEvent to all registered components.
 void dispatchToComponent(Component c)
          Dispatches a ParameterEvent to the given component.
 
Methods inherited from class com.taursys.xml.event.Dispatcher
addNotify, dispatch, dispatch, getIndex, getParameter, getParentDispatcher, getParentIndex, incrementIndex, removeNotify, resetIndex, setParentDispatcher
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

RenderDispatcher

public RenderDispatcher(Container c)
Creates new RenderDispatcher with given Container as parent.

Method Detail

dispatchToComponent

public void dispatchToComponent(Component c)
                         throws java.lang.Exception
Dispatches a ParameterEvent to the given component. The components will only be dispatched its own input as specified by its parameter property. If the component's parameter is present, then the event will contain that value. If the parameter is NOT present, AND the component's defaultValue is set, then the event will contain the defaultValue. If the parameter is NOT present and defaultValue is NULL, no event will be dispatched.

Specified by:
dispatchToComponent in class Dispatcher
Parameters:
c - the Component to dispatch the event to.
Throws:
java.lang.Exception - from the components dispatchEvent method if occurs.

dispatch

public void dispatch()
              throws RenderException
Dispatches a RenderEvent to all registered components.

Overrides:
dispatch in class Dispatcher
Throws:
RenderException


Copyright © 2007 Martin T Phelan. All Rights Reserved.