module NodesHelper
  
  def title_for_node node
    if node.head
      node.head.title
    else
      if not node.draft or not node.draft.title
        logger.error "Missing title in node #{node.id}"
        return "NO TITLE"
      end
      node.draft.title
    end
  end
  
  
  def truncated_title_for_node node
    if (title = title_for_node node) && title.size > 20
      "<span title='#{title}'>#{truncate(title, 40)}</span>"
    else
      title
    end
  end
  
  def custom_page_templates
    Page.custom_templates.map {|x| [x.gsub("_", " ").titlecase, x]}
  end
  
  def user_list
    User.all.map {|u| [u.login, u.id]}
  end

  def event_information
    if @node.events.first
      event = @node.events.first
      safe_join([
        "#{event.start_time.to_fs(:db)} - #{event.end_time.to_fs(:db)} > ",
        link_to('show', event_path(event)),
        ' > ',
        link_to('edit', edit_event_path(event))
      ])
    else
      safe_join([
        'no event attached > ',
        link_to('add', new_event_path(:node_id => @node.id))
      ])
    end
  end
end