[Seaside] Re: Update select display when selection changed

Bob N. bobn at rogers.com
Tue Feb 1 21:11:43 UTC 2011

On Stack Overflow Lucas suggested coding...

 html form noAutocomplete; with: [ ...

...which fixed the problem nicely on Firefox.


On Mon, Jan 31, 2011 at 8:07 AM, Bob N. <bobn at rogers.com> wrote:

> Hello,
> How do I get the rendered display of a drop-down select list to show an
> updated selection from another session?
> Here is the scenario: I have a domain object with an attribute displayed in
> a drop-down list.  Some other session updates the attribute.  I refresh my
> display, but the rendered selection does not change.  Using Firebug, the
> generated html shows the updated selection.  This may be basic HTML
> knowledge, but should the displayed value not update to show the changed
> 'selected' option?  Or is the value intended to be set only on the initial
> page display and then only by a user action?
> Here is an example.  I have a demo Seaside component with a class variable
> #testStateListSelection which is selected to 'one' in a Seaside session.  If
> I change the value to 'three'  in another Seaside session, the displayed
> value stays as 'one' in the original session after rendering again, even
> though the "selected" in the generated HTML shows "three".
> renderSelectionListOn: html
> html form: [
> html select
>  list: #('one' 'two' 'three' 'four' 'five');
> selected: self class testStateListSelection;
>  callback: [:value | self class testStateListSelection: value].
> html break.
>  html submitButton
> callback: [Transcript cr; show: self class testStateListSelection];
>  with: 'Save']
> ...the displayed value shows 'one', even though the HTML is...
> <select name="1">
>   <option value="1">one</option>
>   <option value="2">two</option>
>   <option value="3" selected="selected">three</option>
>   <option value="4">four</option>
>   <option value="5">five</option>
> </select><br>
> How do I get the drop-down selected value to show 'three'?
> BTW: all I know about HTML & browser behaviour I've learned from coding
> Seaside, so I may have a skewed perspective ;-)
> Thanks for any help,
> Bob Nemec
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