RenderBlock and Block reprise

[sales <sa...@digiatlas.net>]

I'm new to Tapestry (so perhaps I shouldn't be answering queries ;-)

Sounds like a stale link. I see someone has answered your problem by 
suggesting a contrib version of the Conditional. I didn't know about that.

I'm sure someone will correct me if I'm wrong, but the reason for your 
stale link was because you were updating the value the conditional was 
based on before the rewind occurred. The way out of the problem is to 
have a second variable, set it, then set the conditional variable on the 
actual form submit. This is effectively what the contrib version does by 
the seems of things.

Am I correct?  I'd like to make sure I'm fully understanding this.

dd


Jer Kah wrote:
> It kept throwing an exception saying something to the effect of "was
> expecting a DatePicker component but instead found a Checkbox
> component".
> 
> Why is this happening?
> 
> 
> 
> 
> 
> On Thu, 20 Jan 2005 16:44:11 +0000, sales <sa...@digiatlas.net> wrote:
> 
>>I needed to do something similar to this just this-afternoon (combobox
>>which, on certain selections, causes a form to show additional fields).
>>
>>Try using Conditional.
>>
>>dd
>>
>>
>>Jer Kah wrote:
>>
>>>Group,
>>>
>>>  I need to create a 'scheduling' page which has a combo-box on it
>>>that submits on change.  The combo box contains values "once",
>>>"daily", "weekly", and "monthly".  So, for example, when the user
>>>selects "Weekly", I need to render 7 checkboxes labelled "Sunday"
>>>through "Saturday".  LIkewise, when the user selects Monthly, I need
>>>to render 7 radio buttons labelled "Sunday" through "Saturday" and 4
>>>additional radio buttons labelled "First" through "Fourth" ( for
>>>scheduling an event on the second Wednesday of the month).
>>>
>>>How do I do this dynamically?  I'm assuming I have to use the
>>>RenderBlock and block components, but Tapestry in Action doesn't
>>>really talk about them a whole lot.  How and where do I create these
>>>components?
>>>
>>>Thanks
>>>
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