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 that the current user does not belong

        # to, or of all projects if the current user is not logged in.  The

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

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

        # are potentially interested in various things: the project name,

        # description, manager(s), creation date, last activity date,

        # general activity level, whether there is anything actually hosted

        # here for the project, etc.

        def render_project_table_with_filtering(projects, question)          

          custom_fields = ""

          s = ""

          if projects.any?

            tokens = RedmineProjectFiltering.calculate_tokens(question, custom_fields)

            s << "<div class='autoscroll'>"

            s << "<table class='list projects'>"

            s << "<thead><tr>"

            s << sort_header_tag('name', :caption => l("field_name"))

            s << "<th class='managers'>" << l("label_managers") << "</th>"

            s << "<th class='tags'>" << l("tags") << "</th>"

            s << sort_header_tag('created_on', :default_order => 'desc')

            s << sort_header_tag('updated_on', :default_order => 'desc')

            s << "</tr></thead><tbody>"

            original_project = @project

            projects.each do |project|

              s << render_project_in_table_with_filtering(project, cycle('odd', 'even'), 0, tokens)

            end

            s << "</table>"

          else

            s << "\n"

          end

          @project = original_project

          s

        end

        def render_project_in_table_with_filtering(project, oddeven, level, tokens)          

          # set the project environment to please macros.

          @project = project

          classes = (level == 0 ? 'root' : 'child')

          s = ""

          s << "<tr class='#{oddeven} #{classes} level#{level}'>"

          s << "<td class='firstcol' align=top><div class='name hosted_here"

          s << " no_description" if project.description.blank?

          s << "'>" << link_to( highlight_tokens(project.name, tokens), {:controller => 'projects', :action => 'show', :id => project}, :class => "project #{User.current.member_of?(project) ? 'my-project' : nil}")

          s << "</div>"

          s << render_project_short_description(project)

          s << "<td class='managers' align=top>"

          u = project.users_by_role

          if u

            u.keys.each do |r|

              if r.allowed_to?(:edit_project)

                mgrs = []

                u[r].sort.each do |m|

                  mgrs << link_to_user(m)

                end

                if mgrs.size < 3

                  s << '<nobr>' << mgrs.join(', ') << '</nobr>'

                else

                  s << mgrs.join(', ')

                end

              end

            end

          end

          s << "</td>"

          # taglist

          s << "<td class='tags' align=top>" << project.tag_counts.collect{ |t| render_project_tag_link(t) }.join(', ') << "</td>"

          s << "<td class='created_on' align=top>" << format_date(project.created_on) << "</td>"

          s << "<td class='updated_on' align=top>" << format_date(project.updated_on) << "</td>"

          s << "</tr>"

          project.children.each do |child|

            if child.is_public? or User.current.member_of?(child)

              s << render_project_in_table_with_filtering(child, oddeven, level + 1, tokens)

            end

          end

          s

        end

        # 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