Is it possible to apply styles to the options in a grouped_collection_select in Rails?

I am currently utilizing Twitter Bootstrap and Ruby on Rails as the backend for my project.

Despite extensive research, I have been unable to find a solution to my current issue.

Within my web application, I am looking to implement dependent dropdowns (such as selecting a country and then a state). To achieve this, I have utilized the "grouped_collection_select" method. However, the options within the dropdown are dynamically generated and now I am in need of applying styling to these options such as border images, divider images, etc. Is it possible to style these options in such a manner? If not, is there an alternative solution available?

Thank you in advance for any assistance provided!

htmlcssruby-on-railstwitter-bootstrap

Answer №1

Absolutely possible!

 <div class="element">
  <%= f.label 'example' %>
  <%= f.grouped_collection_select :category_id, Category.roots.order(:name), :children, :name, :id, :name, {surround: true}, {class: "custom-select"} %> 
</div>

Curly braces must enclose the 'surround' parameter or it won't function properly. Changing the class from element to custom-select will cause it to fail as well. There are numerous other scenarios where it may not work, but I only tested these ones :)

Enjoy experimenting!

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