[TurboGears] Re: AutoCompleteField

Mon, 09 Oct 2006 12:17:19 -0700

When you set up the AC widget, you can pass in your own TextField and HiddenField widgets, something like this (going from memory, this is not actual working code):

tf = TextField("textfieldname" ... attributes can be set here ... )
hf = HiddenField("hiddenfieldname" ... attrs can be set here ... )

class FormWdigets(WidgetsList):
    ac = AutoCompleteField(name="acname", text_field=tf, hidden_field=hf)

form = TableForm(fields=FormWidgets)

That may not be it exactly, but should give you the idea...haven't tried it with adding JS event handlers though.

If you can't get the event handler working this way, there's always the MochiKit Signal API, though.  That might be worth a try.

Hope this helps!

Kevin H

On 10/9/06, Ian Wilson <[EMAIL PROTECTED]> wrote:

Hello,
  I am going to jump on this thread since I have some AutoComplete
questions and will probably have more.  Its too bad i didn't see this
before it was a struggle to get the hidden field to work.  Has anyone
been able to set the attributes of the textfield and hiddenfield?  If
I want to do some ajax when the user does select something from the
autocomplete what is the best method without breaking the widget?  I
was thinking of adding an onChange method to the hidden field so that
when a name is selected from the my list and it stores the id then the
onchange js function will be called and I can go to the server and get
the information for that name using _javascript_.

Right now I use this which does nothing(no errors, just nothing):

    attrs = {}
    attrs['text'] = dict(size=150)
    attrs['hidden'] = dict(
    form = TableForm(
        fields=[
            AutoCompleteField(name='plantName',
search_controller='getPlants', search_param='rawSearchWords',
result_name='results', label="Plant:",
attrs=attrs),...

Maybe my dictionary is setup wrong I can't really see why this doesn't work.

Thanks,
  -Ian

On 10/5/06, percious <[EMAIL PROTECTED] > wrote:
>
> found the answer.  The AutoCompleteField automatically comes with a
> "hidden" value.  When you return your search results, return a tuple
> like: (view, hidden):
>     @expose(format="json")
>     def search(self, searchString):
>         vars = self._generateVariables(self.iceProjectID)
>         varList = []
>         searchString = searchString.lower()
>         items = []
>         for var in vars.values():
>             if searchString in (var.tag+var.description).lower():
>                 items.append(("%s - %s"%(var.tag,var.description),
> var.id))
>         return dict(items=items)
>
> Then you can get your results something like the following:
>     @expose()
>     def addParameter(self, areaID, parameters=None):
>         if parameters!=None:
>             parameter = parameters['hidden']
>             variable = Parameter.get(int(parameter))
>          return dict(parameter=variable)
>
>
> >
>


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