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https://issues.apache.org/jira/browse/ISIS-996?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15581730#comment-15581730
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Bilgin Ibryam commented on ISIS-996:
------------------------------------
For my custom footer I still had to use replace rather than add in order to
make it work.
> Not possible to "replace" components in Wicket viewer (workaround is to use
> "add")
> ----------------------------------------------------------------------------------
>
> Key: ISIS-996
> URL: https://issues.apache.org/jira/browse/ISIS-996
> Project: Isis
> Issue Type: Bug
> Components: Core: Viewer: Wicket
> Affects Versions: viewer-wicket-1.7.0
> Reporter: Dan Haywood
> Assignee: Dan Haywood
> Priority: Minor
> Fix For: 1.18.0
>
>
> As per http://isis.markmail.org/thread/x3k2www3m2wfsgtv
> To recreate:
> - copy ReferencePanelFactory to ReferencePanelFactory2
> in (subclass of) IsisWicketApplication, add:
> {code}
> @com.google.inject.Singleton
> public static class MyComponentFactoryRegistrar extends
> ComponentFactoryRegistrarDefault {
> @Override
> public void addComponentFactories(ComponentFactoryList
> componentFactories) {
> super.addComponentFactories(componentFactories);
> componentFactories.replace(new ReferencePanelFactory2());
> }
> }
> {code}
> and
> {code}
> final Module overrides = new AbstractModule() {
> @Override
> protected void configure() {
> ...
> bind(ComponentFactoryRegistrar.class).
> to(MyComponentFactoryRegistrar.class);
> }
> };
> {code}
> the issue is that "replace" ends up replacing all component factories of type
> ComponentType.SCALAR_NAME_AND_VALUE, whereas it should instead just replace
> the one for ReferencePanelFactory.
> The workaround is easy enough: call "add" (which puts new factory at
> beginning of list) rather than "replace".
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