net.sf.tacos.ajax.impl
Class InjectAjaxComponentRenderWorker

java.lang.Object
  net.sf.tacos.ajax.impl.InjectAjaxComponentRenderWorker

All Implemented Interfaces:

org.apache.tapestry.enhance.EnhancementWorker

public class InjectAjaxComponentRenderWorker
extends Object
implements org.apache.tapestry.enhance.EnhancementWorker

Adds method call before AbstractComponent.renderComponent(org.apache.tapestry.IMarkupWriter, org.apache.tapestry.IRequestCycle) which calls the AjaxWebRequest, if available, to get the correct IMarkupWriter to use to render itself, based on the unique component id of the IComponent being rendered.

Author:

jkuhnert

Constructor Summary

InjectAjaxComponentRenderWorker()

Method Summary

protected String	buildMethodCallBack(org.apache.tapestry.spec.IComponentSpecification spec, MethodSignature method, MethodSignature accessor) Builds the new enhanced render method which calls ResponseBuilder to get the correct writer to use for method.
protected String	buildScriptMethodCallBack(org.apache.tapestry.spec.IComponentSpecification spec, MethodSignature method, MethodSignature accessor) Called specifically when dealing with Body components.
protected MethodSignature	createAjaxRequestAccessor(org.apache.tapestry.enhance.EnhancementOperation op, org.apache.tapestry.spec.IComponentSpecification spec) Creates an accessor method on the IComponent being enhanced so it can access the AjaxWebRequest at runtime.
void	performEnhancement(org.apache.tapestry.enhance.EnhancementOperation op, org.apache.tapestry.spec.IComponentSpecification spec)
void	setAjaxRequest(AjaxWebRequest ajaxRequest) Injected ajaexRequest reference.

Methods inherited from class java.lang.Object

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

Constructor Detail

InjectAjaxComponentRenderWorker

public InjectAjaxComponentRenderWorker()

Method Detail

setAjaxRequest

public void setAjaxRequest(AjaxWebRequest ajaxRequest)

Injected ajaexRequest reference.

Parameters:

ajaxRequest -

performEnhancement

public void performEnhancement(org.apache.tapestry.enhance.EnhancementOperation op,
                               org.apache.tapestry.spec.IComponentSpecification spec)

Specified by:

performEnhancement in interface org.apache.tapestry.enhance.EnhancementWorker

createAjaxRequestAccessor

protected MethodSignature createAjaxRequestAccessor(org.apache.tapestry.enhance.EnhancementOperation op,
                                                    org.apache.tapestry.spec.IComponentSpecification spec)

Creates an accessor method on the IComponent being enhanced so it can access the AjaxWebRequest at runtime.

Parameters:

op -

spec -

Returns:

The MethodSignature of the created accessor.

buildMethodCallBack

protected String buildMethodCallBack(org.apache.tapestry.spec.IComponentSpecification spec,
                                     MethodSignature method,
                                     MethodSignature accessor)

Builds the new enhanced render method which calls ResponseBuilder to get the correct writer to use for method.

Parameters:

spec -

method -

accessor -

Returns:

buildScriptMethodCallBack

protected String buildScriptMethodCallBack(org.apache.tapestry.spec.IComponentSpecification spec,
                                           MethodSignature method,
                                           MethodSignature accessor)

Called specifically when dealing with Body components. This method will do the normal writer return semantics, but will first add it's "script" contributions to the response builder.

Parameters:

spec -

method -

accessor -

Returns: