My project involves creating an app with a specific view. Within this view, I must check a condition and if it is met, I need to color a table row accordingly. While the simplest solution would be to modify the header within the view, I prefer to keep all styling information in CSS. How can I achieve this without altering the HTML structure?
To change the color of a specific row, you can simply modify it in the view instead of adjusting headers:
<tr class="<%= "blue" if condition_applies %>">
<td>Your content</td>
</tr>
Alternatively:
<% if condition_applies %>
<tr class="blue">
<% else %>
<tr class="red">
<% end %>
<td>Your content</td>
</tr>
utilities.rb
def determine_theme_for(user)
if user.authenticated?
'light'
else
'dark'
end
end
profile.erb
- @users.each do |user|
%div{class: determine_theme_for(user)}
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