[Seaside] Forms - Select List: action before submit button

[dirk newbold]

Is Scriptaculous in the SeasideForWebToolKit parcel or do I have to
load another parcel - it's just that the 'updater' method below is not
understood and I can't seem to find it?

Dirk

On 6/12/07, dirk newbold <dirkdirk at gmail.com> wrote:
> Thanks very much - I'll give it a go.
>
> Cheers,
>
> Dirk
>
> On 6/12/07, Cédrick Béler <cbeler at enit.fr> wrote:
> > dirk newbold a écrit :
> > > All,
> > >
> > >
> http://ajax.asp.net/ajaxtoolkit/CascadingDropDown/CascadingDropDown.aspx
> > >
> > > I found the exact example I am trying to achieve as per this ajax link
> > > above.
> > >
> > > I'm guessing Seaside has same deal but can't see to make anything work
> > > - I'm new at all this.
> > >
> > > Thanks,
> > >
> > > Dirk
> > I think you have to use the updater and onChange() event to realize
> > that... in 3 different select...
> > have a look at SUClassBrowser renderCategoriesOn: html...   or see
> > implementors of #updater
> > Also, there was a similar stuuf with SeasideAsync but if you use only
> > scriptaculous, this should be somethink like (not tested):
> >
> > renderContentOn: html
> > html div
> >     id: 'box1';
> >     with: [self renderBox1On: html].
> > html div
> >     id: 'box2';
> >     with: [self renderBox2On: html].
> > html div
> >     id: 'box1';
> >     with: [self renderBox3On: html].
> >
> >
> > renderBox1On: html
> >     html select
> >         id: 'box1';
> >         selected: self val1;
> >         list: self list1;
> >         callback: [:valBox1 | self val1 := valBox1]
> >         onChange: (hmtl updater
> >                             id: 'box2';    "on change,   update the box
> > named box2"
> >                             triggerFormElement: 'box1'   "also triger
> > the action associated to that form element.... self val1 := valBox1
> > ort whaterver..."
> >                             callback: [:render | self renderBox2On:
> > render].   " the box is redrawn with the rendering fonction renderBox3"
> >                             onSuccess: (html updater   "don't forget to
> > upadate the last box..."
> >                                     id: 'box3';
> >                                    callback: [:render | self
> > renderBox3On: render])
> >
> > renderBox2On: html
> >     html select
> >         id: 'box2';
> >         selected: self val2;
> >         list: self list2;
> >         callback: [:valBox2 | self val2 := valBox2]
> >         onChange: (hmtl updater
> >                             id: 'box2';
> >                             triggerFormElement: 'box2';
> >                             callback: [:render | self renderBox3On:
> render]
> >
> > renderBox3On: html
> >     html select
> >         id: 'box3';
> >         selected: self val3;
> >         list: self list3;
> >         callback: [:valBox3 | self val3 := valBox3]
> >         onChange: (hmtl request
> >                             triggerFormElement: 'box2']  "only trigger
> > the callback associated to id box3... no rendering needed..."
> >
> >
> > hth
> >
> > Cédrick
> > _______________________________________________
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> >
>