Contents

module ActsAsTaggableOn
  module TagsHelper
    # See the README for an example using tag_cloud.
    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))
        yield tag, classes[index.nan? ? 0 : index.round]
      end
    end
  end
end

Version data entries

7 entries across 7 versions & 2 rubygems

Version	Path
acts-as-taggable-on-3.1.1	lib/acts_as_taggable_on/tags_helper.rb
acts-as-taggable-on-3.1.0	lib/acts_as_taggable_on/tags_helper.rb
acts-as-taggable-on-3.0.2	lib/acts_as_taggable_on/tags_helper.rb
acts-as-taggable-on-3.1.0.rc1	lib/acts_as_taggable_on/tags_helper.rb
acts-as-taggable-on-3.0.1	lib/acts_as_taggable_on/tags_helper.rb
acts-as-taggable-on-3.0.0	lib/acts_as_taggable_on/tags_helper.rb
acts_as_taggable_on-3.0.0.rc2	lib/acts_as_taggable_on/tags_helper.rb