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Posted to dev@myfaces.apache.org by "Martin Marinschek (JIRA)" <de...@myfaces.apache.org> on 2005/11/10 18:11:04 UTC
[jira] Closed: (MYFACES-707) Define renderer method getChildren(UIComponent) instead of calling component.getChildren directly
[ http://issues.apache.org/jira/browse/MYFACES-707?page=all ]
Martin Marinschek closed MYFACES-707:
-------------------------------------
Fix Version: Nightly
Resolution: Fixed
> Define renderer method getChildren(UIComponent) instead of calling component.getChildren directly
> -------------------------------------------------------------------------------------------------
>
> Key: MYFACES-707
> URL: http://issues.apache.org/jira/browse/MYFACES-707
> Project: MyFaces
> Type: New Feature
> Components: Implementation
> Reporter: Simon Kitching
> Assignee: Martin Marinschek
> Priority: Minor
> Fix For: Nightly
> Attachments: HtmlGridRendererBase.java.patch, HtmlLinkRendererBase.java.patch, HtmlRenderer.java.patch, HtmlTableRendererBase.java.patch
>
> Currently, org.apache.myfaces.renderkit.html.HtmlTableRenderer calls "component.getChildren" directly from a number of methods.
> I would like to see a new method "getChildren(UIComponent component)" defined whose default behaviour is just to return "component.getChildren", and calls to component.getChildren changed to call this new method.
> This would allow me to override this new getChildren method in a subclass in order to be able to control the order in which child components are rendered by this component. In particular, I'm trying to extend the table renderer to allow user-customisable column ordering. Currently I have to implement this by having my custom renderer sort the elements in the child list of the component directly which isn't elegant and (I'm afraid) may not beportable or robust across releases of the library. Well it's that or duplicate every method that makes this call (which is most of them).
> Perhaps this new method could even be defined in class org.apache.myfaces.renderkit.html so it's available for all renderers?
> Probably method getChildCount(Component) would need to be defined at the same time, just in case someone wants to write a renderer that actually hides some child components from a parent renderer.
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