Thanks christian, it worked!!.
On 8 jun, 12:21, "christian.posta" <christian.po...@gmail.com> wrote:
> Well, there are a couple things you could do:
>
> for the PresupuestoAdminForm, you could do this to the CharField:
> name = forms.CharField(max_length=100,
> widget=forms.TextInput(attrs={'readonly': 'readonly'}))
> (note the CharField is from the 'forms' package, not the 'models'....
> you'll also need to remove the 'name' entry from the readonly_fields
> tuple)
>
> Alternatively, you could ignore using the custom ModelForm, and add
> the 'name' field directly to the PresupuestoAdmin class. In that case
> you can use the readonly_fields tuple.
>
> I would probably go with the first choice since it will allow you to
> write a custom query to populate the field in the constructor.
>
> Example:
>
> class StoreAdminForm(forms.ModelForm):
> test = forms.CharField(max_length=100,
> widget=forms.TextInput(attrs={'readonly': 'readonly'}))
>
> def __init__(self, *args, **kwargs):
> super(StoreAdminForm, self).__init__(*args, **kwargs)
>
> if kwargs.has_key('instance'):
> instance = kwargs['instance']
> # do something with the instance here, like use it to
> calculate something,
> # then set the value on the 'test' field using
> self.fields['test']
>
> class Meta:
> model = Store
>
> Good luck!
>
> On Jun 7, 9:16 am, mf <mf2...@gmail.com> wrote:
>
>
>
>
>
>
>
> > Thanks christian. I've followed your good advice but I don't know why
> > am I getting this error: "PresupuestoAdmin.readonly_fields[1], 'name'
> > is not a callable or an attribute of 'PresupuestoAdmin' or found in
> > the model 'Presupuesto' ". It seems that the 'name' field is not added
> > to the form used by the admin.
>
> > class PresupuestoAdminForm(forms.ModelForm):
> > name = models.CharField(max_length=100)
>
> > class Meta:
> > model = Presupuesto
>
> > class PresupuestoAdmin(admin.ModelAdmin):
> > form = PresupuestoAdminForm
>
> > fieldsets = (
> > (None, {
> > 'fields': (('id', 'fecha_emision', ), ('obra',
> > 'num_pres_ext',),
> > 'proveedor', 'descripcion', 'observaciones',
> > 'importe_contratado',)
> > }),
> > )
> > readonly_fields = ('id', 'name',)
>
> > admin.site.register(Presupuesto, PresupuestoAdmin)
>
> > On 7 jun, 11:11, "christian.posta" <christian.po...@gmail.com> wrote:
>
> > > Create a different ModelForm that contains your readonly fields (and
> > > populate them however you want) and set this on your ModelAdmin form.
>
> > > See the ModelAdmin.form option in the
> > > docs.https://docs.djangoproject.com/en/1.2/ref/contrib/admin/#modeladmin-o...
>
> > > On Jun 7, 6:01 am, mf <mf2...@gmail.com> wrote:
>
> > > > Let's say I've two models:
>
> > > > class Book(models.Model):
> > > > name = models.CharField(max_length=50)
> > > > library = models.ForeignKeyField('Library')
>
> > > > class Library(models.Model):
> > > > name = models.CharField(max_length=50)
> > > > address = models.CharField(max_length=50)
> > > > tel = models.CharField(max_length=50)
>
> > > > Is there a nice way to add some html(a readonly input field) between
> > > > name and address in the Library change_form template?. I'm doing it
> > > > overriding [admin/includes/fieldset.html][1] but it's getting messy
> > > > and I can't find a way to display the html exactly where I want to.
> > > > For example, if I want to add html displaying the amount of books that
> > > > the library has below the name field I woul do this:
>
> > > > {% for field in line %}
> > > > ...
> > > > {% if field.field.name == 'name' %}
> > > > {{ field.field }}
> > > > <div class="form-row total_books">
> > > > <div>
> > > > <label for="total_books">Total books:</label>
> > > > <input type="text" maxlength="10" name="totbooks"
> > > > id="totbooks" readonly="readonly">
> > > > </div>
> > > > </div>
> > > > {% else %}
> > > > {{ field.field }}
> > > > {% endif %}
> > > > ...
> > > > {% endfor %}
>
> > > >
> > > > [1]:https://code.djangoproject.com/browser/django/trunk/django/contrib/ad...
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