Module: TagsHelper

Defined in:
lib/taxonomy/tags_helper.rb

Instance Method Summary collapse

Instance Method Details

#tag_cloud(tags, classes) ⇒ Object

See the README for an example using tag_cloud.



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# File 'lib/taxonomy/tags_helper.rb', line 3

def tag_cloud(tags, classes)
  return [] if tags.empty?

  max_count = tags.sort_by(&:count).last.count.to_f
  
  tags.each do |tag|
    index = ((tag.count / max_count) * (classes.size - 1)).round
    yield tag, classes[index]
  end
end