[Zope] How to do this trick..

[J Cameron Cooper]

Jason C. Leach wrote:

> I'm wondering how I can do this little trick (sp_info is a globaly 
> devide var, it's a dictionary obj):
>
>             <option tal:repeat="group groups/existing/high"
>                 tal:content="group"
>                 tal:attributes="onmouseover string:doTooltip(event, 
> '${sp_info/${group}/common_name}')"             
>                onmouseout="hideTip()">
>             </option>
>
> So based on my the value of 'group' from my repeat, I want to use the 
> value to look up another value in a different dictionary.  It works if 
> I do this:  (event, '${sp_info/whatever/common_name}') but does not 
> like me using the embedded ${group}. 

The ${var} syntax is only for inserting a value in a string expression. 
Path expressions only take known names. If you want to look up a value 
based on a variable, you must use Python. Look at the first half of this:

http://plone.org/documentation/how-to/addContentProgrammatically

       --jcc

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