redmine/app/views/common/_calendar.html.erb

<%= form_tag({}, :data => {:cm_url => issues_context_menu_path}) do -%>
<table class="cal">
<thead>
<tr><th scope="col" title="<%= l(:label_week) %>" class="week-number"></th><% 7.times do |i| %><th scope="col"><%= day_name( (calendar.first_wday+i)%7 ) %></th><% end %></tr>
</thead>
<tbody>
<tr>
<% day = calendar.startdt
while day <= calendar.enddt %>
<%= ("<td class='week-number' title='#{ l(:label_week) }'>#{(day+(11-day.cwday)%7).cweek}</td>".html_safe) if day.cwday == calendar.first_wday %>
<td class="<%= calendar_day_css_classes(calendar, day) %>">
<p class="day-num"><%= day.day %></p>
<% calendar.events_on(day).each do |i| %>
  <% if i.is_a? Issue %>
  <div class="<%= i.css_classes %> <%= 'starting' if day == i.start_date %> <%= 'ending' if day == i.due_date %> tooltip hascontextmenu">
  <%= "#{i.project} -" unless @project && @project == i.project %>
  <%= link_to_issue i, :truncate => 30 %>
  <span class="tip"><%= render_issue_tooltip i %></span>
  <%= check_box_tag 'ids[]', i.id, false, :style => 'display:none;', :id => nil %>
  </div>
  <% else %>
  <span class="icon icon-package">
    <%= "#{i.project} -" unless @project && @project == i.project %>
    <%= link_to_version i%>
  </span>
  <% end %>
<% end %>
</td>
<%= '</tr><tr>'.html_safe if day.cwday==calendar.last_wday and day!=calendar.enddt %>
<% day = day + 1
end %>
</tr>
</tbody>
</table>
<% end %>
<%= context_menu %>