Question

I am implementing a checkboxlist with some items and next to each item there is a dropdown. These two things hang together and what i want to do is to create a hash, the key is the value or id from the checked item, the value is the value of the selected item in the dropdown.

This is what i have:
view:

<% @groups.each do |group| %>
      <li>
        <%= check_box_tag 'group[]', group.id -%>
        <%= h group -%>
        <%= select_tag 'role_group[group.id][]', options_for_select(@roles) %>
      </li>
  <% end %>

controller:

@selected_groups = Group.find(params[:group]) 
  @selected_roles = params[:role_group]

  @roleskeys = @selected_roles.keys

Now if i show @roleskeys , he always just say group.id. So this is not correct, this is just the string. Somebody who knows what i am doing wrong?

Answer 1

Try it this way:

<% @groups.each do |group| %>
      <li>
        <%= check_box_tag 'group[][id]', group.id -%>
        <%= h group -%>
        <%= select_tag 'group[][group_id]', options_for_select(@roles) %>
      </li>
<% end %>

You will have both together in a Hash.