app/views/admin_users/edit.html.erb
<%= render partial: "layouts/content_title.erb", locals: {title: "Edit Admin User"} %>
<%= form_for @admin_user, :builder => OsraFormBuilder,
html: {class: "records_form", role: "form"} do |f| %>
<fieldset>
<%= render 'shared/errors', object: f.object %>
<div class="form-group">
<%= f.label_for_field :email %>
<%= f.text_field :email, class: "form-control" %>
</div>
<div class="form-group">
<%= f.label :password, "New password" %>
<!-- Use f.label instead of f.label_for_field because label_for is monkey-patched to add the red "(required)" -->
<!-- for mandatory fields in the database and within edit admin user it's not necessary to update the password -->
<%= f.password_field :password, class: "form-control" %>
</div>
<div class="form-group">
<%= f.label_for_field :password_confirmation %>
<%= f.password_field :password_confirmation, class: "form-control" %>
</div>
<div class="form-group">
<%= f.submit "Update Admin User", class: "btn btn-primary" %>
<%= link_to 'Cancel', admin_users_path, class: "btn btn-cancel" %>
</div>
</fieldset>
<% end %>