Re: Dynamic Formset Radiobutton Issue

Hello Collin, 

Thanks for your reply! I tried using jQuery 1.2.6. but it sadly didn't help my problem. Since the plugin is still updated regularly, I think using the newest jQuery plugin shouldn't be a problem. 

The weird thing is, today I was playing around with the problem, and it turns out that only the first instance of my formset resets. When I fill in a second one and add another, it doesn't reset! 

Still doesn't solve the problem though...

Jur.

On Sat, Oct 24, 2015 at 8:01 PM, Collin Anderson <cmawebsite@gmail.com> wrote:

Hello,

That formset jQuery script it quite ancient (2009). You could try using jQuery 1.2.6 and see if it works correctly with that version.

Collin

On Friday, October 23, 2015 at 8:54:49 AM UTC-4, Jur Remeijn wrote:

So I'm using a dynamic formset within django: https://github.com/elo80ka/django-dynamic-formset

I'm using it to render a page with a form (say, a pizza) and a formset (say, a set of toppings). Because the number of toppings isn't determined, I want to use a dynamical formset. 

Right now, I have the page display one instance of topping form, with a button to add another instance, which is added with the javascript found in the github repo (and as a attachment).

Only I have a problem: When I fill in the form for one topping, and then add another topping, all the radiobuttons get reset so the data from the first topping is lost. 

Does anyone see what goes wrong here? This is my code, simplified (I actually have a lot more fields for the form and subset, all choicefields needing radiobuttons, so this is quite a big issue for me). 

models.py:

class Pizza(models.Model):

    name= models.CharField(max_length=55)

    pricerange=models.CharField(max_length=55, choices=PRICERANGE_CHOICES)

class Topping(models.Model):

    pizza = models.ForeignKey(Pizza)

    number = models.IntegerField(null=True, blank=True)

    name=models.CharField(max_length=55, choices=TOPPINGNAME_CHOICES)

forms.py:

class PizzaForm(forms.ModelForm):

  class Meta:

    model = Pizza

    fields = ['name', 'pricerange']

    

  pricerange= forms.ChoiceField(required=True,widget=forms.RadioSelect(),choices=PRICERANGE_CHOICES)

class ToppingForm(forms.ModelForm):

  class Meta:

    model = Topping

    fields = ['number', 'name'

]

  

  number = forms.IntegerField(required=True)

  name = forms.ChoiceField(required=True,widget=forms.RadioSelect(),choices=TOPPINGNAME_CHOICES)

ToppingFormset = formset_factory(ToppingForm, max_num=8)

form.html:

<script type="text/javascript" src="/static/pizza/jquery-1.11.3.min.js"></script>

<script type="text/javascript" src="/static/pizza/jquery.formset.js"></script>

<script type="text/javascript">

    $(function() {

        $('.ToppingForm').formset();

    })

</script>

<style type="text/css">

    .add-row {

        padding-left:18px;

        background:url(/static/arts/images/add.png) no-repeat left center;

    }

    .delete-row {

        display:block;

        margin:6px 0 0 0;

        padding-left:18px;

        background:url(/static/arts/images/delete.png) no-repeat left center;

    }

    .dynamic-form { padding: 5px 15px; }

</style>

<form method="post" action="">   {% csrf_token %}

{{ form.non_field_errors }}

        {{ form.name }}

        {{ form.pricerange}}

<div class="ToppingFormset">

{% for form in formset.forms %}

<div id=" {{ form.prefix }}-entry" class="ToppingForm">

<table class="t03" style="width:100%">

<tr><td colspan="8">{{ form.name.label_tag }} {{ form.name.errors }}</td></tr>

<tr>

{% for radio in form.name %}

<td>{{ radio }}</td>

{% endfor %}

</tr>

</table>

                                       {{ form.number.errors }}

{{ form.number}}

</div>

{% endfor %}

</div>

<p>{{ formset.management_form }}</p>

<input type="submit" value="Volgende"/>

</form>

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