[Chandler-dev] Re: Defining a sort order for schema.Enumerations

[Phillip J. Eby]

At 09:25 AM 6/20/2006 -0700, Bryan Stearns wrote:
>Thanks, Phillip - but now I'm reconsidering: it seemed a tiny bit bad to 
>let the user-interface-ness of sort behavior creep into the schema 
>mechanism, but now I'm realizing there's another bit of UI-ness needed: 
>the (i18n-able) text labels to use for these values.
>
>The simplest approach I can imagine would be to continue in this direction 
>and allow a "labels" option on the schema.Enumeration subclass, eg:
>class TriageEnum(schema.Enumeration):
>   schema.kindInfo(displayName=_(u"Triage Status Enum"))
>   values = "now", "later", "done"
>   labels = _(u"Now"), _(u"Later"), _(u"Done")
>
>(I know this requires changing the "you can only have 'values' on 
>Enumerations" doc and enforcement, but that's easy. The alternative to 
>this would be to put the value-to-label mapping in an attribute editor, 
>which would certainly work, but this seems simpler than requiring an 
>attribute editor subclass per enumeration.)

How about this instead:

     values = dict(
        now   = (1, _('Now')),
        later = (2, _('Later')),
        done  = (3, _('Done')),
     )