SoundSoftware Code Site

module RedmineTags

  module Patches

    module ProjectsHelperPatch

      def self.included(base) # :nodoc:

        base.send(:include, InstanceMethods)

        base.class_eval do

          unloadable

        end

      end

      module InstanceMethods

        # Renders a tree of projects as a nested set of unordered lists

        # The given collection may be a subset of the whole project tree

        # (eg. some intermediate nodes are private and can not be seen)

        def render_project_hierarchy_with_filtering(projects,custom_fields,question)

          s = []

          if projects.any?

            tokens = RedmineProjectFiltering.calculate_tokens(question, custom_fields)

            debugger

            ancestors = []

            original_project = @project

            projects.each do |project|

              # set the project environment to please macros.

              @project = project

              if (ancestors.empty? || project.is_descendant_of?(ancestors.last))

                s << "<ul class='projects #{ ancestors.empty? ? 'root' : nil}'>"

              else

                ancestors.pop

                s << "</li>"

                while (ancestors.any? && !project.is_descendant_of?(ancestors.last)) 

                  ancestors.pop

                  s << "</ul></li>"

                end

              end

              classes = (ancestors.empty? ? 'root' : 'child')

              s << "<li class='#{classes}'><div class='#{classes}'>" +

                link_to( highlight_tokens(project.name, tokens), 

                  {:controller => 'projects', :action => 'show', :id => project},

                  :class => "project #{User.current.member_of?(project) ? 'my-project' : nil}"

                )

              s << "<ul class='filter_fields'>"

           #  CustomField.usable_for_project_filtering.each do |field|

           #    value_model = project.custom_value_for(field.id)

           #    value = value_model.present? ? value_model.value : nil

           #    s << "<li><b>#{field.name.humanize}:</b> #{highlight_tokens(value, tokens)}</li>" if value.present?

           #  end

              s << "</ul>"

              s << "<div class='clear'></div>"

              unless project.description.blank?

                s << "<div class='wiki description'>"

                s << "<b>#{ t(:field_description) }:</b>"

                s << highlight_tokens(textilizable(project.short_description, :project => project), tokens)

                s << "\n</div>"

              end

              s << "</div>"

              ancestors << project

            end

            ancestors.size.times{ s << "</li></ul>" }

            @project = original_project

          end

          s.join "\n"

        end

        private

        # copied from search_helper. This one doesn't escape html or limit the text length

        def highlight_tokens(text, tokens)

          return text unless text && tokens && !tokens.empty?

          re_tokens = tokens.collect {|t| Regexp.escape(t)}

          regexp = Regexp.new "(#{re_tokens.join('|')})", Regexp::IGNORECASE    

          result = ''

          text.split(regexp).each_with_index do |words, i|

            words = words.mb_chars

            if i.even?

              result << words

            else

              t = (tokens.index(words.downcase) || 0) % 4

              result << content_tag('span', words, :class => "highlight token-#{t}")

            end

          end

          result

        end

      end

    end

  end

end