Hello,
I am trying to create a form equivalent to the edit inline that is
implemented in the admin interface.
I have a models with "Survey", "Poll", "Choice" as describe below and
I would like to have a single page to create my Survey with multiple
questions (*n) and multiple (*n) choices.
==============models.py=============
class Survey(models.Model):
name = models.CharField(maxlength=20)
description= models.CharField(maxlength=200)
start_date=models.DateField("Effective from")
end_date=models.DateField("Effective to")
class Poll(models.Model):
survey=models.ForeignKey(Survey)
question = models.CharField(maxlength=200,core=True)
pub_date = models.DateField('date published',auto_now=True)
class Choice(models.Model):
poll = models.ForeignKey(Poll, edit_inline=models.TABULAR,
num_in_admin=5)
choice = models.CharField(maxlength=200,core=True)
votes = models.IntegerField(core=True)
=====================================
I do not understand yet how I can create such from with the newform
library.
so far I have the following views.py
=====================views.py============
def survey_cud(request):
# initialize variables to sent to template
message = ''
submit_action = 'Add'
edit_id = ''
# generate default form
SurveyForm = forms.form_for_model(Survey)
f = SurveyForm()
# handle edit and delete events
if request.method=="GET":
if request.has_key("edit_id"):
# replace default form with form based on row to edit
survey = Survey.objects.get(pk=request.GET['edit_id'])
SurveyForm = forms.form_for_instance(survey)
f = SurveyForm()
submit_action = 'Update'
edit_id = request.GET['edit_id']
message = 'Editing survey ID ' + request.GET['edit_id']
if request.has_key('delete_id'):
Survey.objects.get(pk=request.GET['delete_id']).delete()
message = 'Survey deleted.'
# handle add and update events
if request.method == 'POST':
if request.POST['submit_action'] == 'Add':
# attempt to do add
add_f = SurveyForm(request.POST)
if add_f.is_valid():
add_f.save()
message = 'Contact added.'
else:
# validation failed: show submitted values in form
f = add_f
if request.POST['submit_action'] == 'Update':
# attempt to do update
survey = Survey.objects.get(pk=request.POST['edit_id'])
SurveyForm = forms.form_for_instance(survey)
update_f = SurveyForm(request.POST.copy())
if update_f.is_valid():
update_f.save()
message = 'Survey updated.'
else:
# validation failed: prepare form for new update
attempt
submit_action = 'Update'
edit_id = request.POST['edit_id']
f = update_f
# get existing surveys
survey_list = Survey.objects.all()
# return rendered HTML page
return render_to_response('dj_survey/template/cud_survey.html',
{ 'request': request,
'message': message,
'survey_list': survey_list,
'form': f.as_table(),
'submit_action': submit_action,
'edit_id': edit_id
})
====================================
and the following template
==================template=================
<html>
<head>
<title>Surveys</title>
</head>
<body>
{% if message %}
<b>{{ message }}</ b>
<p />
{% endif %}
{% if survey_list %}
<table>
{% for survey in survey_list %}
<tr bgcolor='{% cycle FFFFFF,EEEEEE as rowcolor %}'>
<td>{{ survey.name }}</td>
<td><a href='{{ request.path }}?edit_id={{ survey.id }}'>Edit</a></
td>
<td><a href='{{ request.path }}?delete_id={{ survey.id }}'>Delete</
a></td>
</tr>
{% endfor %}
</table>
<p />
{% endif %}
<form action='{{ request.path }}' method='POST'>
<input type='hidden' name='edit_id' value='{{ edit_id }}'>
<table>
{{ form }}
<tr>
<td colspan=2 align=right>
<input type=submit name='submit_action'
value='{{ submit_action }}'>
</td>
</tr>
</table>
</form>
{% ifnotequal submit_action 'Add' %}
<p />
<a href='{{ request.path }}'>Add New Survey</a>
{% endifnotequal %}
</html>
=============================================
Thank you very much for your help.
Yann
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