openproject/app/views/users/_mail_notifications.html.erb

<p>
<%= label_tag "user_mail_notification", l(:description_user_mail_notification), :class => "hidden-for-sighted" %>
<%= select_tag 'user[mail_notification]', options_for_select(user_mail_notification_options(@user), @user.mail_notification),
                                      :onchange => 'if (this.value == "selected") {Element.show("notified-projects")} else {Element.hide("notified-projects")}' %>
</p>
<% content_tag 'div', :id => 'notified-projects', :style => (@user.mail_notification == 'selected' ? '' : 'display:none;') do %>
<p><% @user.projects.each do |project| %>
    <label><%= check_box_tag 'notified_project_ids[]', project.id, @user.notified_projects_ids.include?(project.id) %> <%=h project.name %></label><br />
<% end %></p>
<p><em><%= l(:text_user_mail_option) %></em></p>
<% end %>
<p><label><%= l(:label_user_mail_no_self_notified) %><%= check_box_tag 'no_self_notified', 1, @user.pref[:no_self_notified] %></label></p>