Ah, I looked for tableeditor in the scaladocs but was unable to find
it.
On Aug 22, 6:05 am, Naftoli Gugenheim <naftoli...@gmail.com> wrote:
> I should have thought of that problem.
> I could make TableEditor more flexible when I have time, but the truth is
> that I don't know if it's worth it. The whole thing is less than 80 LOC with
> scaladocs (not counting the utilities it uses which you can also use). The
> real logic that provides its semantics is ItemsList, which includes
> sortability, and is public. So it's probably not worth it to not write your
> own snippet! The value of TableEditor is that it's automatic--3 lines in the
> view and two in Boot, (actually that could surely be lessened when I have a
> chance) and it works on any table. Once your customizing it it might not be
> worth it. It basically does old fashioned binds, backed by an ItemsList
> (better name anyone?). Also it uses eachField from mapper.view.Util, but in
> your case you know which fields you have.
> What do you think?
>
> -------------------------------------
>
> glenn<gl...@exmbly.com> wrote:
>
> Naftoli,
>
> I must be doing something wrong. I tried the following, as you
> suggested,
> inserting the extra xml after the item:fields tag, but
> ManagerUsers.list does its
> own iteration through the table items and I get duplicate columns.
>
> ManageUsers.list just does a bind to the myuser:roles tag.
>
> <table:items>
> <tr>
> <item:fields fields="firstname lastname email" >
> <td style="vertical-align: top"><field:form /></td>
> </item:fields>
> <lift:ManageUsers.list>
> <td style="vertical-align: top"><myuser:roles /></td>
> </lift:ManageUsers.list>
> <td style="vertical-align: top"><item:removeBtn /></td>
> </tr>
> </table:items>
>
> Then, I have the added problem of saving changes to the item, since
> roles is not
> a field recognized by ItemsList.save.
>
> Any suggestions??
>
> Kevin,
>
> I implemented asmselect in my app and it works great.
> Thanks for the heads up.
>
> Glenn...
>
> On Aug 20, 3:44 pm, Naftoli Gugenheim <naftoli...@gmail.com> wrote:
>
> > It's not too hard to make your own without ajax.
> > def addRemove(c: Child) = (_:Boolean) match {
> > case true => if(!field.contains(c)) field+=c
> > case false => field -= c}
>
> > Then iterate (flatMap) over Child.findAll creating a checkbox initialized
> > to field.contains(x) with addRemove(x) as its setter.
>
> > -------------------------------------
>
> > Kevin Wright<kev.lee.wri...@googlemail.com> wrote:
>
> > Absolutely spot-on article here about multiple selection on
> > webpages:http://www.ryancramer.com/journal/entries/select_multiple/
> > I'm a big fan of asmselect, and the real beauty is that we already have
> > jquery support in lift out-of-the-box :)
> > <http://www.ryancramer.com/journal/entries/select_multiple/>
>
> > On Thu, Aug 20, 2009 at 11:27 PM, glenn <gl...@exmbly.com> wrote:
>
> > > Naftoli,
>
> > > I like the checkboxes style for a small selection (say 10 or less),
> > > and perhaps a multi-selectbox if the choices are more numerous.
> > > Another approach is to use two list boxes, one for the choices and
> > > another for the selections, with maybe a drag-and-drop capability or
> > > some add/remove buttons in between. I guess there is no good default
> > > solution.
>
> > > One enhancement to your tableeditor would be a tableviewer option,
> > > using a <field:toXml> instead of a <field:form> tag.
>
> > > Thanks for your help.
>
> > > Glenn...
>
> > > On Aug 20, 2:20 pm, Naftoli Gugenheim <naftoli...@gmail.com> wrote:
> > > > 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<gl...@exmbly.com> 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 <gl...@exmbly.com> 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 <naftoli...@gmail.com> 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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