and how can I solve this if I want to use it in my tal:repeat?
e.g. for a Client, who has (potentially) multiple "invoices"
<tr tal:repeat="client clients">
<td>${client/name}</td>
<td><span tal:repeat="invoice client/invoices">${invoice}<tal:block
tal:condition="not:repeat/invoice/end">,</tal:block></span></td>
</tr>
this works fine if I retrieve all invoices before, but can I do it without
looping through all clients in PHP first, if I'd have a function
getInvoices($client_id)... ?
Friday, June 18, 2010, 3:56:23 PM, you wrote:
> On 18-06-2010 at 14:46:13 GRolf <ger...@pictureparking.com> wrote:
>> let's say I have a query that will fetch employees from a table. every
>> row has a field "department_id".
>> when looping through this array in my template, is there a way to call a
>> "callback" function that will fetch the department's name from an other
>> table?
> PHPTAL automatically calls methods in TAL expressions. If you use ORM it
> should be quite simple, e.g. if you have Employee object that has
> getDepartment() method that returns Department object:
> <li tal:repeat="employee employees"
> tal:content="employee/getDepartment/name"/>
> Alternatively you can call PHP functions using php: prefix in expressions:
> <li tal:repeat="employee_row employees_array">
> <tal:block tal:define="department
> php:get_department_row(employee_row['department_id'])"
> tal:content="department/name"/>
> -- regards, Kornel
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