On Jan 18, 2007, at 3:51 PM, Christopher Arndt wrote:
David E schrieb:
Notably, it looks like when using your widget you can try
add_people_form(value=dict(lastname='joe'))
Yes, this is correct. See also here:
http://docs.turbogears.org/1.0/SimpleWidgetForm#form-display-revisited
This might be useful too:
http://docs.turbogears.org/1.0/RoughDocs/WidgetsOverview#tips
The arguments-to-children tip only applies to ToscaWidgets (docs
should state this more clearly and provide TG's way of doing it).
To pass arguments to child widgets in TG widgets another syntax must
be used.
in TW:
form.display(value, **{'.address':{'repetitions':3}})
in TG:
form.display(value, repetitions=dict(address=3))
(An astute reader might notice that TG widgets wouldn't allow passing
a 'repetitions' argument to a child if the form had a 'repetitions'
argument too... ;)
(though I don't know why the inner widget is prefixed with a dot in
the example
given on the latter page)
This is to tell TW that args. are to be passed to child widgets, it's
actually a shortcut for:
form.display(value, child_args=dict(address=dict(repetitions=3)))
If it wasn't for that the form wouldn't have a clue that those args
were meant to be passed to a child widget.
This notation can be used to pass arguments to arbitrarily nested
widgets including those that are repeated. Say you need to pass an
'options' argument the the 'foo' singleselectfield in the third
'address' fieldset, you would do:
form.display(value, **{'.address-2.foo':{'options':[1,2,3]}})
which s a shortcut for:
form.display(value, child_args(address=[{}, {}, dict(child_args=dict
(foo=options=[1,2,3]))]))
This is one of the many API improvements ToscaWidgets has. I'm
planning to make a first-alpha early next week (or maybe tomorrow
along with TG 1.0.1) and write up some more examples and maybe a
quick tutorial. If time and my memory allow (I haven't used TG
widgets for months) I'd like to point out TG and TW main differences
in the widget API to ease migration for those interested.
Alberto
BTW, Nice write-up at http://docs.turbogears.org/1.0/RoughDocs/
FormValidationWithSchemas! :)
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