I think the easier way is just to write a custom widget which
subclasses RadioSelect and override the render() method to however you
want to output the HTML.
On Jan 19, 6:45 am, ekellner <ekell...@gmail.com> wrote:
> Hi, I am having trouble working with a BoundField value in a template.
>
> What I have is a IntergerField that is represented by a set of Radio
> Buttons in html. I want to lay out these buttons myself, and plus
> there's javascript involved. I don't believe there's a way to do this
> while letting the field render itself.
>
> I need to have the "checked" attribute set for the appropriate radio
> button, according to the bound field value on the form. I am trying
> to do this manually -- to print out "checked" inside the input element
> a manual comparison of the bound field's value, but it isn't working.
> Note that I need to do this even when the form doesn't validate, so I
> need to pull the value from form.field.initial or form.field.data
> selectively, and so I have a template filter tag to do this.
>
> Here's the code, isolated:
>
> ### a filter to get the bound field value independent of whether it
> comes from initial/data
> @register.filter
> def boundvalue(boundfield):
> "Copied from BoundField.as_widget"
> if not boundfield.form.is_bound:
> data = boundfield.form.initial.get(boundfield.name,
> boundfield.field.initial)
> if callable(data):
> data = data()
> else:
> data = boundfield.data
> return data
>
> ### My Template
> <!---
> Boundvalue: {{ genform.use_floating|boundvalue }} {# 'use_floating'
> is the field name #}
> {% ifequal form.use_floating|boundvalue "0" %}compared to "0"
> (string){% endifequal %}
> {% ifequal form.use_floating|boundvalue 0 %}compared to 0 (int){% endifequal
> %}
> {% if form.use_floating|boundvalue %}compared true (boolean){% endif %}
> --->
>
> ### The HTML page:
> <!---
> Boundvalue: 0
>
> compared true (boolean)
> --->
>
> As you can see, I am getting some kind of string-typed output on the
> page, so I've got *some* value. It casts to boolean true, but I
> haven't been able to successfully compare it to 0.
>
> If there's a better way to do this overall, I would also welcome
> suggestions. I am not especially attached to solving this using
> string comparisons but the form.data hash seems to force me down this
> road.
>
> Thank you
> Elizabeth
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