[jira] Commented: (MYFACES-769) configurable IDs used for rendering

["Martin Marinschek (JIRA)" <de...@myfaces.apache.org>]

    [ http://issues.apache.org/jira/browse/MYFACES-769?page=comments#action_12365291 ] 

Martin Marinschek commented on MYFACES-769:
-------------------------------------------

Before creating dynamic IDs, JSF calls the following:

        ExternalContext extCtx = FacesContext.getCurrentInstance().getExternalContext();
        return extCtx.encodeNamespace(UNIQUE_ID_PREFIX + _uniqueIdCounter++);

so you would basically need to make sure that the parent-most naming-container in your app has a dynamic id, and then make sure that your PortletExternalContextImpl overwrites that encodeNamespace method correctly.

Does that solve your problem?

regards,

Martin

> configurable IDs used for rendering
> -----------------------------------
>
>          Key: MYFACES-769
>          URL: http://issues.apache.org/jira/browse/MYFACES-769
>      Project: MyFaces
>         Type: Improvement
>     Reporter: Dave Brondsema

>
> If the same code is used ot generated a component tree for more than one part of a webpage, the rendered IDs are the same and functionality is broken (javascript needs unique IDs).
> An example of when this happens is when as portlet uses JSF for rendering.  If the portlet is used more than once on a single page (e.g. an RSS reader) all the IDs are the same.
> Thus we need a way to have more configurable (perhaps random) IDs when rendered.

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