Practical Rails Social Networking Site memo (2)

<br />#Ch10<br />module ApplicationHelper<br /> def yes_no(bool)<br /> ...<br /> end<br /> def tag_cloud(tags, classes)<br /> max, min = 0, 0<br /> tags.each do |tag|<br /> max = tag.count if tag.count > max<br /> min = tag.count if tag.count < min<br /> end<br /> divisor = ((max - min) / classes.size) + 1<br /> tags.each do |tag|<br /> yield tag.name, classes[(tag.count - min) / divisor]<br /> end<br /> end<br />end<br /><br /><% tag_cloud @tags, %w(tag1 tag2 tag3 tag4 tag5) do |name, css_class| %><br /><%= link_to name, tag_path(name), :class => css_class %><br /><% end %><br /><br /><br /><br />