MathGroup Archive 2009

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Re: SetterBar/ButtonBar, Dynamic and the visual


Albert,

That was the missing piece.... although it turns out that SetterBar acts
oddly if it is just passed one choice (which my dataset sometimes does...).

Thanks again.

-jbl

On Thu, Oct 29, 2009 at 3:56 AM, Albert Retey <awnl at gmx-topmail.de> wrote:

> Jason Ledbetter wrote:
> > Folk,
> >
> > Once again I'm trying to understand some UI nuances in Mathematica...
> >
> > I'm trying to use SetterBar or ButtonBar as selectors for portions of a
> > dataset with an action attached. This basically works however when I have
> an
> > action associated with either, the selected button doesn't visually
> appear
> > selected when clicked...
> >
> > A sample of what I'm doing is below; my basic goal is to use either of
> the
> > last 2 of these four examples but have the button highlighting act like
> the
> > first two examples.
> >
> > Clear[x1, x2, y1, checkSwitch];
> >  (* appears to force no default selection w/ SetterBar *)
> > (x1 = Null;
> >  x2 = Null; y1 = Null;)
> > choices = {"one", "two", "three"};
> > checkSwitch[button_] := Switch[button, _, Print[button]]
> > Panel[{Column[{
> >     Style["SetterBars", Bold],
> >     Style["No Dynamic, button stays highlighted", Italic],
> >     SetterBar[x1, # -> # & /@ choices],
> >     Style["Dynamic WITHOUT action, button stays highlighted", Italic],
> >     Row[{SetterBar[Dynamic[y1], # -> # & /@ choices], Dynamic[y1]}],
> >     Style["Dynamic with action, button does not stay highlighted",
> Italic],
> >     SetterBar[Dynamic[x2, checkSwitch[#] &], # -> # & /@ choices],
> >     Style["ButtonBars", Bold],
> >     Style["Dynamic with action, button does not stay highlighed",
> Italic],
> >     ButtonBar[# :> checkSwitch[#] & /@ choices]
> >     }]
> >   }]
> >
> >
> > TIA,
> >
> >
> > -jbl
> >
> >
> Your second to last example should be:
>
> SetterBar[
>  Dynamic[x2, (checkSwitch[#]; x2 = #) &], # -> # & /@ choices]
>
> you have to set x2 explicitly when using the two argument form of Dynamic.
>
> hth,
>
> albert
>
>



  • Prev by Date: Memory Management Issue - Possible Bug or Incompatibility w W7?
  • Next by Date: Discrete functions - Pure function domain
  • Previous by thread: Re: SetterBar/ButtonBar, Dynamic and the visual appearance of "selected"
  • Next by thread: Working with Lists