On Jun 18, 8:02 pm, chefsmart <moran.cors...@gmail.com> wrote:
> Hi,
<snip>
> Now consider the following view: -
>
> def edit_diploma(request, did):
> diploma_to_edit = Diploma.objects.get(id=did)
> if request.method == 'POST':
> form = EditDiplomaForm(request.POST)
> if form.is_valid():
> diploma_to_edit.name = form.cleaned_data['name']
> diploma_to_edit.short_name = form.cleaned_data
> ['short_name']
> diploma_to_edit.is_active = form.cleaned_data['is_active']
> diploma_to_edit.save()
> return HttpResponseRedirect(reverse('drf-list_diplomas'))
> else:
> data = {'name': diploma_to_edit.name,
> 'short_name': diploma_to_edit.short_name,
> 'is_active': diploma_to_edit.is_active}
> form = EditDiplomaForm(data)
> return render_to_response('edit_diploma.html', {'form': form},
> context_instance=RequestContext(request))
>
> My edit_diploma.html template looks like the following: -
>
> <form method="post" action="." class="uniForm">
> <fieldset class="blockLabels">
> <legend>Edit diploma</legend>
> {% for field in form %}
> {% if field.errors %}
> <div class="ctrlHolder error">
> {% for error in field.errors %}
> <p class="errorField"><strong>{{ error }}</
> strong></p>
> {% endfor %}
> {% else %}
> <div class="ctrlHolder">
> {% endif %}
> {{ field.label_tag }}
> {{ field }}
> <p class="formHint">{{ field.help_text }}</p>
> </div>
> {% endfor %}
> </fieldset>
> <div class="buttonHolder">
> <button type="reset" class="resetButton">Reset</button>
> <button type="submit" class="primaryAction">Submit</button>
> </div>
> </form>
>
> When accessing the view via HTTP GET, the desired model instance's
> data is shown in the form for editing. However, my template has {% if
> field.errors %} to accommodate different CSS for erroneous and error-
> free data. If I'm correct, this {% if field.errors %} is causing
> validation to occur and thus I'm getting error messages in the
> rendered html even when accessing the view via HTTP GET.
>
> This of course is not desired. Could you please suggest a way to
> handle this? I need the validation and I need the conditional CSS as
> well.
>
> Thanks and Regards,
> CM.
The problem is here:
data = {'name': diploma_to_edit.name,
'short_name': diploma_to_edit.short_name,
'is_active': diploma_to_edit.is_active}
form = EditDiplomaForm(data)
It is the fact that you're passing this dictionary in as the 'data'
parameter, not the calling of is_errors in your template, which is
triggering validation. You need to pass it in as 'initial' instead -
if you do that, the form fields will be populated, but validation will
not take place.
form = EditDiplomaForm(initial=data)
See
http://docs.djangoproject.com/en/dev/ref/forms/api/#django.forms.Form.initial
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