I'm fairly new to django - please correct me if this isn't a good solution.
I ran in to a similar issue recently, and found it alot easier to have the
ajax views return full html rather than json. So load the page with empty
divs for each dropdown, then displaying the second form is much easier:
show_models() {
$.post("ajax/modelsurl", function(data){
$("#models_div").html(data);
});
}
But note that you should still use the json serializer to encode the html
string
On Tue, Jan 26, 2010 at 12:07 PM, Atamert Ölçgen <mu...@muhuk.com> wrote:
> On Tuesday 26 January 2010 18:26:55 shofty wrote:
> > I'm trying to build an app which im calling selector. It allows a user
> > to select from a form of dropdowns their vehicle.
> >
> > the problem im facing is a design one. i just dont know how best to
> > design this and i've spent ages trying to find an example that does
> > the same thing. but i can't find one.
> >
> > so a vehicle is thus:
> > make
> > - model
> > - - year
> > - - - trim
> >
> > and my idea for the view was a simple one of four dropdowns, whose
> > content changed as you amended the others. so you'd choose make and
> > model would appear populated with all models for the make selected.
> > and so on.
> >
> > I've come to the understanding that there is no built in way to do
> > this in django/python projects due to its static nature and that im
> > going to involve an amount of javascript.
> >
> > what i'd really hoped to do, was find a way that i can create in the
> > view various querys for the dropdowns and on selection of one of the
> > dropdowns, tie the selection to the query, returning a dictionary to
> > the next dropdown, populating it with relevant data.
> >
> > if i resort to use of js (of which there is plenty of examples) i'm
> > going to struggle to tie it back to my database. aren't i?
> >
> > im not asking someone to code this for me, design clues and links to
> > examples much appreciated.
> You will either use JavaScript to populate SELECTs for remaining options or
> reload the page onChange via JavaScript. So your options are limited; it's
> JavaScript or JavaScript.
>
> I would supply AJAX views that return requested options as JSON. The rest
> is
> client-side coding (IOW not Django related). Plenty of AJAX with Django
> examples out there on intertubes.
>
>
> --
> Saygılarımla,
> Atamert Ölçgen
>
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>
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> mu...@jabber.org
>
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