The name is really a misnomer. It's not a MappedField. So it's missing the 
opposite half: it _is_ the "validSelectValues" but it doesn't have the toForm 
method of MappedField's to make use of its values.
I'm not sure how a hypothetical "toForm" would work for a many-to-many "field." 
Actually it depends on the circumstances. One option is how MS Access 
works---every time you select a value you get a new blank row. This is good 
where you can have many or duplicate children, but is more complex to 
implement. Similarly you can have a list of current children and a dropdown to 
add. Another option (where duplicates are not allowed) is a set of checkboxes.


-------------------------------------
glenn<[email protected]> wrote:


Naftoli,

Sorry for the addendum, but ideally, it would be nice to
do something like:

override def validSelectValues: Box[List[(Long, String)]] ...

as you can with MappedLongForeignKey, and have a select box
display in the table.

Glenn...


On Aug 20, 12:51 pm, glenn <[email protected]> wrote:
> Naftoli,
>
> I tried using TableEditor with a MetaMapper instance of a ManyToMany
> class, but <header:fields> and
> <item:fields> tags in the template didn't pick up the MappedManyToMany
> object in the class.
>
> Is there some method that I need to override,or is there some way to
> write the template that will
> resolve this?
>
> Glenn...
>
> On Aug 12, 2:48 pm, Naftoli Gugenheim <[email protected]> wrote:
>
> > I just wrote a brief wiki article on GitHub about using TableEditor, but not
> > being familiar with the formatting syntax, the code snippets are truncated.
> > Can anyone take a look at it and fix it? Thanks.


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