[jira] [Assigned] (ISIS-898) Add a table tree view to the Wicket viewer.

["Andi Huber (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ISIS-898?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andi Huber reassigned ISIS-898:
-------------------------------

    Assignee: Andi Huber

> Add a table tree view to the Wicket viewer.
> -------------------------------------------
>
>                 Key: ISIS-898
>                 URL: https://issues.apache.org/jira/browse/ISIS-898
>             Project: Isis
>          Issue Type: New Feature
>          Components: Core: Viewer: Wicket
>    Affects Versions: viewer-wicket-1.6.0
>            Reporter: Dan Haywood
>            Assignee: Andi Huber
>            Priority: Minor
>             Fix For: 2.0.0-M2
>
>
> see mailing list discussion [1]
> [1] http://markmail.org/message/vu3jqmlawrskplic
> ~~~
> some further thoughts:
> For example, in Estatio there are several hierarchies
> EstatioInstance ("global") /
>   EstatioInstance ("italy") /
>     EstatioInstance ("Roma shopping mall")
> or:
> Property/
>   Floor/
>     Unit
> We'd like to render these objects in a single tree/table collection.
> ~~~
> We should distinguish two cases:
> - where all the rows are of the same type (EstatioInstance, turtles all the way down).
> - where all the rows are of different types (Property/Floor/Unit)
> For the former, the columns to use are exactly those of the (single) class.
> For the latter, things are more complicated, as all the objects are of different class.  It's not clear to me what (apart from an icon and a title) should be shown as columns.  Perhaps just the intersection of those properties that are common across all types (eg name?) .  Or perhaps there's metadata (in @PropertyLayout(...)) to specify that a particular property should always be shown in such tree/table collections, even if it is null for other rows for instances of some other class.



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