You have created a custom widget, but the widget code doesn't set the
default value of the widget based on the "value" argument to the widget.
Try changing:
seed = SELECT(**attr)
for branch in tree:
seed.append(branch)
to:
seed = SELECT(*tree, value=value, **attr)
Anthony
On Wednesday, December 4, 2013 9:29:22 AM UTC-5, Ivo wrote:
>
> default.py:
> def products():
> edit_in_form = 'edit' in request.args
> db.product.price.writable = not edit_in_form
>
> grid = SQLFORM.grid(db.product,
> columns=[
> db.product.name,
> db.product.price,
> ],
> )
>
> return dict(
> buttons=grid.gridbuttons,
> grid=grid)
>
> db.py:
> db.define_table('product',
>
> Field('name',length=512),
> Field('user_id', db.auth_user),
> Field('category'), #db.category
> Field('price'),
> )
> db.product.category.widget = category.select_widget()
>
> here's the widget itself:
>
> def select_widget(self):
> categories = self._db().select(
> self._db[self._tablename].ALL,
> orderby=self._db[self._tablename].lft
> )
> def widget(field, value, **attributes):
> rgt = []
>
> tree = []
>
> attr = OptionsWidget._attributes(field, {}, **attributes)
>
> values = re.compile('[\w\-:]+').findall(str(value))
>
> if hasattr(field.requires, 'options'):
> opts = []
> options = field.requires.options()
> tree.append(OPTION(_value="", _class="branch"))
> for cat in categories:
> if len(rgt) > 0:
> if rgt[-1] > cat.rgt:
> # open UL
> pass
> while rgt[-1] < cat.rgt:
> rgt.pop()
> if len(rgt) == 0:
> break
>
> s = ""
> for i in range(len(rgt)):
> s += " "
> s += cat.name
> branch = OPTION(
> XML(s),
> _value=cat.id,
> _class="branch",
> )
>
> tree.append(branch)
> rgt.append(cat.rgt)
>
> seed = SELECT(**attr)
>
> for branch in tree:
> seed.append(branch)
>
> return seed
> return widget
>
>
>
>
> On Wednesday, December 4, 2013 2:56:24 PM UTC+1, Anthony wrote:
>>
>> Doesn't sound right. Can you show your code?
>>
>> On Wednesday, December 4, 2013 5:11:25 AM UTC-5, Ivo wrote:
>>>
>>> Is there a way to default the option widget to the current field value?
>>> The thing is that when you edit a form, the option widget always
>>> defaults to empty (you need to make a selection even if the field already
>>> contains a value). I'm quite sure a lot of users will not notice that the
>>> select is empty, overriding the existing value upon save. They should
>>> however need to be able to change the value if they choose to. I prefer to
>>> do it from the controller side if possible.
>>>
>>>
--
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