[seam-issues] [JBoss JIRA] (JBSEAM-4947) <s:decorate /> tag breaks JSF2 f:ajax functionality

[Andrea Martino (JIRA)]

    [ https://issues.jboss.org/browse/JBSEAM-4947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12732718#comment-12732718 ] 

Andrea Martino commented on JBSEAM-4947:
----------------------------------------

Hi Vaclav, thanks for your answer. It it clear to me how the findComponent works, it is just not clear why UIDecorate implements NamingContainer. It looks like that only components like trees, forms and datalists implement this interface, it is not clear to me why UIDecorator needs it. Everything would work even when UIDecorator would not implement NamingContainer, just the name of the children would not contain the name of the enclosing decorator.
                
> <s:decorate /> tag breaks JSF2 f:ajax functionality
> ---------------------------------------------------
>
>                 Key: JBSEAM-4947
>                 URL: https://issues.jboss.org/browse/JBSEAM-4947
>             Project: Seam 2
>          Issue Type: Bug
>          Components: JSF Integration
>    Affects Versions: 2.3.0.BETA1, 2.3.0.Final
>         Environment: JBOSS 7.1.1 Final + RichFaces 4.2.0.Final + Seam 2.3.0.Beta1
>            Reporter: Andrea Martino
>              Labels: jsf21, starter, taglib
>             Fix For: 2.3.1.CR1
>
>
> The following XHTML page in JSF2 works fine with no issues. Everything the value in the input field is modified, the page is refreshed with AJAX and the value entered in the input field is displayed in the page.
> {code:xml:title=Working JSF}
> <h:form id="frm">
> 	<s:div id="enclosingDiv">
> 		<h:inputText id="myInput" value="#{testtest.text}" styleClass="#{invalid?'error':''}" 
> 			required="true" autocomplete="off" maxlength="20">
> 			<f:ajax render="enclosingDiv"/>
> 		</h:inputText>
> 		<div>
> 			<h2>The entered value is</h2>
> 			<h:outputText value="#{testtest.text}" />
> 		</div>
> 	</s:div>
> </h:form>
> {code}
> This works fine and it is the expected behavior.
> If the input field is enclosed by a <s:decorate /> tag as following, and exception is thrown and the page is not rendered.
> {code:xml:title=Not working JSF}
> <h:form id="frm">
> 	<s:div id="enclosingDiv">
> 		<s:decorate id="myDecorator">
> 			<h:inputText id="myInput" value="#{testtest.text}" styleClass="#{invalid?'error':''}" 
> 				required="true" autocomplete="off" maxlength="20">
> 				<f:ajax render="enclosingDiv"/>
> 			</h:inputText>
> 		</s:decorate>
> 		<div>
> 			<h2>The entered value is</h2>
> 			<h:outputText value="#{testtest.text}" />
> 		</div>
> 	</s:div>
> </h:form>
> {code}
> The output is:
> {noformat}
> Caused by javax.faces.FacesException with message: "<f:ajax> contains an unknown id 'enclosingDiv' - cannot locate it in the context of the component myInput" 
> 	com.sun.faces.renderkit.html_basic.AjaxBehaviorRenderer.getResolvedId(AjaxBehaviorRenderer.java:285)
> 	com.sun.faces.renderkit.html_basic.AjaxBehaviorRenderer.appendIds(AjaxBehaviorRenderer.java:272)
> 	com.sun.faces.renderkit.html_basic.AjaxBehaviorRenderer.buildAjaxCommand(AjaxBehaviorRenderer.java:214)
> 	com.sun.faces.renderkit.html_basic.AjaxBehaviorRenderer.getScript(AjaxBehaviorRenderer.java:86)
> 	javax.faces.component.behavior.ClientBehaviorBase.getScript(ClientBehaviorBase.java:103)
> 	com.sun.faces.renderkit.RenderKitUtils.getSingleBehaviorHandler(RenderKitUtils.java:1607)
> 	com.sun.faces.renderkit.RenderKitUtils.renderHandler(RenderKitUtils.java:1700)
> 	com.sun.faces.renderkit.RenderKitUtils.renderOnchange(RenderKitUtils.java:388)
> 	com.sun.faces.renderkit.html_basic.TextRenderer.getEndTextToRender(TextRenderer.java:134)
> 	com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:170)
> 	javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:875)
> 	org.jboss.seam.ui.util.cdk.RendererBase.renderChild(RendererBase.java:190)
> 	org.jboss.seam.ui.util.cdk.RendererBase.renderChildren(RendererBase.java:166)
> 	org.jboss.seam.ui.renderkit.DecorateRendererBase.doEncodeChildren(DecorateRendererBase.java:152)
> 	org.jboss.seam.ui.util.cdk.RendererBase.encodeChildren(RendererBase.java:92)
> 	javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:845)
> 	javax.faces.component.UIComponent.encodeAll(UIComponent.java:1779)
> 	javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782)
> 	javax.faces.render.Renderer.encodeChildren(Renderer.java:168)
> 	javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:845)
> 	javax.faces.component.UIComponent.encodeAll(UIComponent.java:1779)
> 	javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782)
> 	javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782)
> 	javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782)
> 	com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:402)
> 	com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:125)
> 	org.jboss.seam.jsf.SeamViewHandler.renderView(SeamViewHandler.java:88)
> 	javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:288)
> 	javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:288)
> 	org.apache.myfaces.tomahawk.application.ResourceViewHandlerWrapper.renderView(ResourceViewHandlerWrapper.java:93)
> 	com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:121)
> 	com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
> 	com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
> {noformat}
> The addition of the <s:decorate /> tag breaks the AJAX functionality.j

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