"Initial" parameter can be a callable object. So you can create "lazy
getter" for your initial data
On 6 янв, 19:27, shabda <[EMAIL PROTECTED]> wrote:
> But I need the initial data to be dynamic, so I can't just do
> text = forms.CharField(widget = forms.Textarea, initial = 'sometext')
>
> I assume I can do some thing along the lines of overriding __init__
> for this form, passing the requored value from the view function and
> then using something like
> text = forms.CharField(widget = forms.Textarea, initial =
> self.page.text)
> I just can't get this to work? Any place where I can look for dynamic
> values to initial?
>
> On Jan 6, 2:38 pm, Malcolm Tredinnick <[EMAIL PROTECTED]>
> wrote:
>
> > On Sun, 2008-01-06 at 01:32 -0800, shabda wrote:
> > > I have a form, to which I want to pass some data when it is first
> > > dipalyed,
> > > My form is,
> > > class EditPage(forms.Form):
> > > text = forms.CharField(widget = forms.Textarea)
> > > edit_summary = forms.CharField()
>
> > > In my view I bind data to this form as
> > > if request.method == 'GET':
> > > page = Page.objects.get(slug = slug)
> > > edit_form = forms.EditPage({'text':page.current_revision.wiki_text})
>
> > > Since this is a edit page, we need to display the previous data, but
> > > the edit_summary field must be empty. However as soon as I bind any
> > > thing to the form the validation fires and so in the template errors
> > > are displayed, as form.errors is not empty. We can not se form.errors,
> > > as that field is Immultable. SO how do I add data to the form when it
> > > is first displayed?
>
> > You need to use the "initial" parameter for supplying initial data.
> > Seehttp://www.djangoproject.com/documentation/newforms/#initialforthe
> > details.
>
> > Regards,
> > Malcolm
>
> > --
> > Success always occurs in private and failure in full
> > view.http://www.pointy-stick.com/blog/
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