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From Bruno Dumon <br...@outerthought.org>
Subject RE: Woody: selection list problem
Date Sat, 22 Nov 2003 11:06:40 GMT
On Sat, 2003-11-22 at 09:42, Danny Bols wrote:
> > -----Original Message-----
> > From: Bruno Dumon [mailto:bruno@outerthought.org]
> > Sent: vrijdag 21 november 2003 21:45
> > To: dev@cocoon.apache.org
> > Subject: RE: Woody: selection list problem
> > 
> > 
> > On Fri, 2003-11-21 at 20:37, Danny Bols wrote:
> > > > -----Original Message-----
> > > > From: Bruno Dumon [mailto:bruno@outerthought.org]
> > > > Sent: vrijdag 21 november 2003 17:35
> > > > To: dev@cocoon.apache.org
> > > > Subject: Re: Woody: selection list problem
> > > >
> > > >
> > > > On Fri, 2003-11-21 at 10:31, Danny Bols wrote:
> > > > > Hello,
> > > > >
> > > > > when trying to populate a selection list from within flow
> > > > script I ran into
> > > > > a problem. The following piece of code did not work:
> > > > >
> > > > >  function myform(form) {
> > > > >      var widget = form.form.getWidget("myfield");
> > > > >      var selectionList = new
> > > > >
> > > > Packages.org.apache.cocoon.woody.datatype.StaticSelectionList(widg
> > > > et.getData
> > > > > type());
> > > > >      selectionList.addItem("AL", "Alabama");
> > > > >      selectionList.addItem("AK", "Alaska");
> > > > >      widget.setSelectionList(selectionList);
> > > > >      form.showForm("flow/myform.form");
> > > > > }
> > > >
> > > > Well, if you would have read the javadoc of that class and method ...
> > > 
> > > mmhh...I thought I read almost everything.....almost :-)
> > > 
> > > 
> > > > Anyway, this code changed recently, if you update to current CVS you
> > > > should be able to make it work with something like this:
> > > >
> > > > selectionList.addItem("AL", new
> > > > Packages.org.apache.cocoon.woody.util.StringMessage("Alabama"));
> > > 
> > > Would it be a good idea to create a convenience method which accepts 2
> > > string objects?
> > 
> > A convenience method which takes a string for the second argument (the
> > label) would be a good idea. The first argument, the value itself, can
> > really be any object type so that doesn't matter. 
> 
> Can you explain to me why the first parameter has to be an object?

Because the type of the objects in the selection list can be anything,
and depends on the datatype of the widget. For example, if
datatype.getTypeClass() returns java.lang.Integer, the selection list
should contain Integer objects.

-- 
Bruno Dumon                             http://outerthought.org/
Outerthought - Open Source, Java & XML Competence Support Center
bruno@outerthought.org                          bruno@apache.org


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