Actually, here's an easier method:
tr = TR(...).add_class('warning' if row.field1 == None else '')
So, no need for the separate "if" statement. The .add_class() method has
the extra benefit of working even if there is already an existing class and
you want to add an additional one.
Anthony
On Sunday, March 31, 2013 9:16:32 AM UTC-4, Anthony wrote:
>
> Depends on what your code looks like, but in general you can add a class
> (or other attributes) to an existing helper object as follows:
>
> tr = TR(...)
> if row.field1 == None:
> tr['_class'] = 'warning'
>
> Anthony
>
> On Sunday, March 31, 2013 8:50:42 AM UTC-4, Paul wrote:
>>
>> Hi, its been a while since I've used web2py, I'm sure this is easy but
>> cannot find it in the manual:-
>>
>> In a view I'm generating html using the helper TR() while looping over
>> rows from a sqlite table, I just want to add a class="warning" to some rows
>> based on the value in a database field (e.g. if row.field1 == None then
>> add class="warning" to this TR row, else don't add any css class to this
>> row), so I can highlight just some of the rows with missing data.
>>
>> Thanks
>>
>>
>>
>
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