On Sep 26, 2011, at 11:59 AM, Tom Evans wrote:
> 100% certain that was just a brain fade on Russell's part, it should
> be forms.ModelChoiceField
>
> https://docs.djangoproject.com/en/1.3/ref/forms/fields/#modelchoicefield
>
> Cheers
>
> Tom
>
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Russ and Tom,
Thanks to both of you. It's working. Here's what I did (Sdo is the
Organization):
# snip of models.py
class Sdo(models.Model):
name = models.CharField(max_length=255, unique=True)
background = models.TextField(blank=True, null=True)
address = models.CharField(max_length=255, blank=True, null=True)
phone = models.CharField(max_length=255, blank=True, null=True)
url = models.CharField(max_length=255, blank=True, null=True)
def __unicode__(self):
return self.name
class Document(models.Model):
number = models.CharField(max_length=255)
title = models.CharField(max_length=255)
edition = models.CharField(max_length=255)
scope = models.CharField(max_length=255, blank=True, null=True)
sdo = models.ForeignKey(Sdo)
class Meta:
unique_together = (('number', 'title', 'edition'),)
def __unicode__(self):
return u'%s %s %s' % (self.number, self.title, self.edition)
# snip from forms.py
class SearchForm(forms.Form):
sdo = forms.ModelChoiceField(queryset=Sdo.objects.all())
document_search_term = forms.CharField(max_length=100)
# snip from views.py
def search_form(request):
form = SearchForm(data=request.GET)
if form.is_valid():
sdo = form.cleaned_data['sdo']
document_search_term = form.cleaned_data['document_search_term']
documents = Document.objects.filter(sdo=sdo,
number__icontains=document_search_term)
results = RequestContext(request, {
'form': form,
'documents': documents,
'show_results': True
})
return render_to_response('search_form.html', results)
else:
return render_to_response('search_form.html', locals())
# contents of search_form.html
{% extends "base.html" %}
{% block external %}
{% endblock %}
{% block title %}SDO Search{% endblock %}
{% block head %}SDO Search{% endblock %}
{% block content %}
<div id="formWrap">
<form id="search_form" method="get" action=".">
<table>
<tr>
<td><label for="id_sdo">SDO</label></td>
<td>{{ form.sdo }}</td>
<td><label for="id_document_search_term">Document Number</label></td>
<td>{{ form.document_search_term }}</td>
</tr>
</table>
<input type="submit" value="search" />
</form>
<div id="search_results">
{% if show_results %}
{% include "document_list.html" %}
{% endif %}
</div>
{% endblock %}
</div>
#contents of document_list.html
{% if documents %}
<ul class="documents">
<table>
{% for document in documents %}
<tr>
<td>{{ document.number }}</td><td>{{ document.title }}</td><td>{{
document.edition }}</td>
</tr>
{% endfor %}
</table>
</ul>
{% endif %}
There is a simple url.py entry for /search_form/. It provides a list of the
documents that have the sdo_id that matches the id field in Sdo for the
selected value of the Sdo name in the sdo field of the request.
I know some of this is goofy as I'm working from tuts and the examples in the
docs and such, but I would like to say that I'm impressed how relatively easy
it is to get something working in Django. Especially with such a helpful users
mailing list!
--David
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