Just override isEnabled. That's why it's not final.
Eelco
On 3/15/06, David Leangen <[EMAIL PROTECTED]> wrote:
>
> This approach used to work for me under 1.1, but no longer in 1.2.
>
> I have a BookmarkablePageLink that I want to disable when its target is
> a subclass of a given page.
>
> I used to do something like this:
>
> protected void onRender( final MarkupStream markupStream )
> {
> setEnabled( ! m_parentClass.isAssignableFrom(
> getPage().getClass() ) );
> super.onRender( markupStream );
> }
>
>
> But this now throws an exception:
>
> wicket.WicketRuntimeException: Cannot modify component hierarchy during
> render phase
> at wicket.Page.checkHierarchyChange(Page.java:1001)
> at wicket.Page.componentStateChanging(Page.java:934)
> at wicket.Component.addStateChange(Component.java:2118)
> at wicket.Component.setEnabled(Component.java:1732)
>
> ...
>
>
> How should I go about creating the same effect? Where should I set the link's
> enabled value based on the above criterion?
>
>
> Thanks!
> Dave
>
>
>
>
>
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