mn... I think it works for me.
Thanks for your advice.
P.S. They implement class, why not inheritance?
2014/1/7 Valdis Vītoliņš <valdis.vitol...@odo.lv>
> If you add different objects from several classes to XWiki document,
> common problem is that for document representation sheet of first found
> class is used.
> Therefore for composite objects you need to add
> XWiki.DocumentSheetBinding object
> which points to sheet document, with content like this (not tested!):
> {{velocity}}
> #set($obj1=$doc.getObject('Space.Obj1Class'))
> #set($obj2=$doc.getObject('Space.Obj2Class'))
> ...
> #if($obj1)
> #set($class1=obj1.xWikiClass)
> #foreach($prop in $class1.properties)
> |$prop.prettyName|$doc.display($prop.getName($obj1))
> #end
> #end
> ...
> #if($obj2)
> ....
>
> Look at
> http://extensions.xwiki.org/xwiki/bin/view/Extension/Sheet+Module
> for more. Note that you can save all these objects in specific template.
>
> Valdis
> > hi,
> >
> >
> > Thanks for your answer.
> > Currently I am using a set of classes to represent my data, for
> > display part they just need to directly show the properties. If I use
> > composit, for the common part I need to identify if it's common, and
> > there will be some "if-else" in each of the subclasses.
> >
> >
> > I just wandering if we can have some auto-load, so that I don't need
> > to use "if-else" everywhere, and it will be easy to maintain, just
> > like the inherited class.
> >
> >
> >
> > 2014/1/5 Valdis Vītoliņš <valdis.vitol...@odo.lv>
> > If you mean these classes defined in class editor defined
> > in .../xwiki/bin/view/XWiki/XWikiClasses
> > AFAIK these doesn't support extension.
> >
> > So, you need to use composition instead. Add object with type
> > of the
> > common class, and for few other documents add another object
> > with type
> > of "extended" class.
> >
> > You will need to adjust class sheet object to display fields
> > of other
> > tyepe of objects also (look at
> > http://extensions.xwiki.org/xwiki/bin/view/Extension/Sheet
> > +Module )
> >
> > Valdis
> >
> > > hi,
> > >
> > > the Class I mean is XClass, which is used in Wiki pages.
> > >
> > > thanks,
> > > B.R./ZZH
> > >
> > >
> > > 2014/1/5 Zhihua Zheng <zhihu...@gmail.com>
> > >
> > > > hi all,
> > > >
> > > > I have couple of classes they are similar, most of them
> > are the same, but
> > > > some small parts are different. So that I want to use a
> > arch that there is
> > > > a common class holds all the common properties, and the
> > real classes are
> > > > inherited from the common.
> > > > But how to achieve that?
> > > >
> > > > thanks!
> > > >
> >
> > > _______________________________________________
> > > users mailing list
> > > users@xwiki.org
> > > http://lists.xwiki.org/mailman/listinfo/users
> >
> >
> > _______________________________________________
> > users mailing list
> > users@xwiki.org
> > http://lists.xwiki.org/mailman/listinfo/users
> >
> >
>
>
>
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