[jira] [Commented] (ISIS-1999) For action mixins, allow read-only properties and collections to be defined, to show useful/relevant context data.

["Dan Haywood (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ISIS-1999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16716890#comment-16716890 ] 

Dan Haywood commented on ISIS-1999:
-----------------------------------

I also like the idea.  It wouldn't be a change, this is instead about the implementation of the DescribedAsFacet.  I see it being implemented similar to MustSatisfyFacet which instantiates a specification in order to potentially invalidate.  

We could therefore have:

{code}
@PropertyLayout(describedWith=FirstNameDescriber.class)
private String firstName;
{code}

where:

{code}
public static class FirstNameDescribed implements Describer {
    String description(Object domainObject, String memberId);
}
{code}

probably with an optional Describer2 for i18n:

{code}
public static class FirstNameDescriber2 implements Describer2 {
    TranslatableString description(Object domainObject, String memberId);
}
{code}


> For action mixins, allow read-only properties and collections to be defined, to show useful/relevant context data.
> ------------------------------------------------------------------------------------------------------------------
>
>                 Key: ISIS-1999
>                 URL: https://issues.apache.org/jira/browse/ISIS-1999
>             Project: Isis
>          Issue Type: New Feature
>    Affects Versions: 1.16.2
>            Reporter: Dan Haywood
>            Priority: Major
>             Fix For: 1.16.3
>
>         Attachments: sketch.pptx
>
>
> These would simply be rendered underneath the OK/Cancel button.
> One property might also show help markup, or hyperlink to reference guides etc.
> As a refinement (perhaps split out to separate story), allow a layout file (with same name( as mixin to be specified.   Perhaps this might even (through some extension to the existing syntax) allow the parameters to be laid out differently, eg over multiple columns).
> ~~~
> * https://bootstrapious.com/p/bootstrap-sidebar
> * https://bootsnipp.com/tags/sidebar
> * 



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