[richfaces-issues] [JBoss JIRA] (RF-13769) placeholder with empty @selector renders twice

[Michal Petrov (JIRA)]

    [ https://issues.jboss.org/browse/RF-13769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12991309#comment-12991309 ] 

Michal Petrov commented on RF-13769:
------------------------------------

The pre-rendering happens because the components that don't render children wouldn't render the placeholder in the first place. We need to cancel the second rendering during {{RendererBase.encodeEnd}} but it's a final method so we cannot override it. It jumps straight into {{PlaceholderRender.doEncodeEnd}} which is the CDK-generated method (and we need it for the first rendering). I am not sure where to insert the check.

> placeholder with empty @selector renders twice
> ----------------------------------------------
>
>                 Key: RF-13769
>                 URL: https://issues.jboss.org/browse/RF-13769
>             Project: RichFaces
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 4.5.0.Alpha3
>            Reporter: Michal Petrov
>             Fix For: 4.5.0.Beta1
>
>
> {code}
> <component>
>     <rich:placeholder>
> </component>
> {code}
> will result in
> {code}
> <span> … placeholder JS code … </span>
> <element>
>     <span> … placeholder JS code … </span>
> </element>
> {code}
> Doesn't affect components that don't render children (eg. inputText).



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