gistfile1.rb

    def menu_item_class(selected=false)
      if selected
        'alt-selected'
      else
        ''
      end
    end

    # Renders the global menu as an unordered list
    # Returns a string containing the HTML for the global menu
    def render_global_menu
      returning '' do |menu|
        menu << "<ul>\n"

        # Global issues link
        ## Add 'alt-selected'-class to the 'a'-element if on global level (!= :controller == issues && != :action == index && != :project_id == nil)
        issues_selected = params[:controller] == 'issues' && params[:action] == 'index' && params[:project_id].nil?
        
        menu << content_tag(:li, link_to(l(:label_issue_view_all), { :controller => 'issues', :id => nil } :class => menu_item_class(issues_selected)))

        # Global activity link
        ## Add 'alt-selected'-class to the 'a'-element if on global level (!= :controller == projects && != :action == activity && != :id == nil)
        activity_selected = params[:controller] == 'projects' && params[:action] == 'activity' && params[:id].nil?
        menu << content_tag(:li, link_to(l(:label_overall_activity), { :controller => 'projects', :action => 'activity', :id => nil }, :class => menu_item_class(activity_selected)))
 
        # Global calendar link
        ## Add 'alt-selected'-class to the 'a'-element if on global level (!= :controller == issues && != :action == calendar && != :project_id == nil)
        if User.current.allowed_to?(:view_calendar, @project, :global => true)
          calendar_selected = params[:controller] == 'issues' && params[:action] == 'calendar' && params[:project_id].nil?
          menu << content_tag(:li, link_to(l(:label_calendar), { :controller => 'issues', :action => 'calendar', :project_id => nil }, :class => menu_item_class(calendar_selected)))
        end
        
 
        # Global gantt link
        ## Add 'alt-selected'-class to the 'a'-element if on global level (!= :controller == issues && != :action == gantt && != :project_id == nil)
          
        if User.current.allowed_to?(:view_gantt, @project, :global => true)
          gnatt_selected = params[:controller] == 'issues' && params[:action] == 'gantt' && params[:project_id].nil?
          menu << content_tag(:li, link_to(l(:label_gantt), { :controller => 'issues', :action => 'gantt', :project_id => nil }, :class => menu_item_class(gnatt_selected)))
        end
        menu << "</ul>\n"
      end
    end