Redmine

# Wiki Extensions plugin for Redmine

# Copyright (C) 2009  Haruyuki Iida

#

# This program is free software; you can redistribute it and/or

# modify it under the terms of the GNU General Public License

# as published by the Free Software Foundation; either version 2

# of the License, or (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

require 'redmine'

module WikiExtensionsWikiMacro

  Redmine::WikiFormatting::Macros.register do

    desc "Displays tags.\n\n"+

      "  @{{tags}}@\n"

    macro :tags do |obj, args|

      return nil unless WikiExtensionsUtil.is_enabled?(@project)

      page = obj.page

      return unless page

      project = page.project

      return '' if page.tags.empty?

      o = '<ul class="tags">'

      page.tags.each{|tag|

        o << '<li>' + link_to("#{tag.name}", {:controller => 'wiki_extensions',

              :action => 'tag', :id => project, :tag_id => tag.id}) + '</li>'

      }

      o << '</ul>'

      return o

    end

  end

  Redmine::WikiFormatting::Macros.register do

    desc "Displays tagcloud.\n\n"+

      "  @{{tagcloud}}@\n"

    macro :tagcloud do |obj, args|

      return nil unless WikiExtensionsUtil.is_enabled?(@project)

      classes = ['tag_level1', 'tag_level2', 'tag_level3', 'tag_level4', 'tag_level5']

      page = obj.page

      return unless page

      project = page.project

      o = '<h3>' + l(:label_wikiextensions_tags) + '</h3>'

      tags = WikiExtensionsTag.find(:all, :conditions => ['project_id = ?', project.id])

      return '' if tags.empty?

      max_count = tags.sort{|a, b| a.page_count <=> b.page_count}.last.page_count.to_f

      tags.sort.each{|tag|

        index = ((tag.page_count / max_count) * (classes.size - 1)).round

        o << link_to("#{tag.name}(#{tag.page_count})", {:controller => 'wiki_extensions',

              :action => 'tag', :id => project, :tag_id => tag.id}, :class => classes[index])

        o << ' '

      }

      return o

    end

  end

end