Hey,
On Wed, May 6, 2009 at 3:27 PM, Chris Dew <cms...@googlemail.com> wrote:
>
> I'd like to develop a Django application with the following
> properties:
>
> A page (list of items) will have a link to a page with a form to add a
> new item.
>
> If there is no javascript, the link will take the user to the new page
> and let the user submit the form, then return them to the initial page
> when the form successfully validates.
>
> If there is javascript, the link will open the form *within* the
> current page (via ajax, perhaps as thickbox or greybox). Submission/
> validation errors of/on the form will take place entirely within the
> current page. When the for is submitted and valid, the form's div
> will disappear/close.
>
>
> At the moment, I think that I need to have ajax and non-ajax views for
> *each form* within the application.
>
> I also need to code form template snippets (for ajax) for *each form*
> which are included by the templates for the non-ajax pages.
>
> Has anyone developed a Django extension which makes this easier - some
> form of 'unajax for non javascript-capable browsers'.
>
> I realise that I'll probably need to do this myself, by hand, but I
> thought I'd ask the question, just in case.
Just to give you some ideas (it really is not that hard):
def your_view(request):
# your processing code
if request.is_ajax():
return render_to_response('_form.html', {}...)
else:
return render_to_response('form.html', {}...)
Your form.html template should contain not much more than the following code:
{% extends "base.html" %}
{% block content %}
<div id="form">
{% include "_form.html" %}
</div>
{% endblock %}
If you use the jQuery form plugin (it's what I know, not what I want
to advertize -- I'm sure every javascript library has the bestest way
to do it), you can prepare your form like this:
$('#form form').ajaxForm({'target': '#form'})
So in closing, you'll need several templates which are only used if
the client does not support javascript; there is still some code
duplication around, but not too much anymore, because you can reuse
the view code and the _form.html template.
I hope this'll put you on track.
Matthias
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