Adds posibility to add <optgroup>'s to selectboxes.

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Adds posibility to add <optgroup>'s to selectboxes. #8

Closed alisspers closed 11 years ago

alisspers commented 11 years ago

Hi! We had a scenario where a select box would get too large to be usable if i couldn't get it categorised with <optgroup>'s. Hence this modification. Feel free to merge it if you think it looks ok.

/Anders

alisspers commented 11 years ago

I should add, what we did was to add a possible property for select fields called "optgroups". If this is set to true, the show_field_select() method outputs optgroups if it finds an array where there otherwise would be an option value.

The functionality has been tested with both normal and multiple select boxes.