[ 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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