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Editorial Team
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Asked: 2026-05-14T22:17:55+00:00

I am trying using a partial to render the application’s menu, capitalizing the ‘tab’

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I am trying using a partial to render the application’s menu, capitalizing the ‘tab’ using CSS, based on a local variable (tab):

  <%= link_to "employees", jobs_path, :class => (tab=="employees" ? "selected":"unselected") %>
  <a class="unselected">jobs</a>
  <%= link_to "tags", tags_path, :class => (tab=="tags" ? "selected":"unselected") %>

The partial is embedded in the the Application’s layout:

<body>
...
<!-- tab variable needs to be set in the view, not the layout -->
<%= render :partial => "layouts/primary_menu", :locals => { :tab => "profiles" } %>
...
</body>

Unfortunately, I need to set the variable’s value in the view, but the variable isn’t available. Should I be using the :content_for symbol instead of :locals?

At some point, I may want to pass a model instance variable to the partial, so the solution needs to be flexible.

Is there a better approach?

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1 Answer

  1. Editorial Team

    I decided to make use of the link_to_unless_current UrlHelper:

    <%= link_to_unless_current "enroll", enroll_path, :class => "unselected" do
    link_to "enroll", enroll_path, :class => "selected"
end %>
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