Adds support for macro and Redmine links in PDF export (#13051).

git-svn-id: http://svn.redmine.org/redmine/trunk@13944 e93f8b46-1217-0410-a6f0-8f06a7374b81

3 files changed, 618 insertions, 563 deletions

diff --git a/lib/redmine/export/pdf.rb b/lib/redmine/export/pdf.rb
index 4bad55dd0..c29fa909d 100644
--- a/lib/redmine/export/pdf.rb
+++ b/lib/redmine/export/pdf.rb
@@ -22,10 +22,6 @@ require 'rbpdf'
 module Redmine
   module Export
     module PDF
-      include ActionView::Helpers::TextHelper
-      include ActionView::Helpers::NumberHelper
-      include IssuesHelper
-
       class ITCPDF < RBPDF
         include Redmine::I18n
         attr_accessor :footer_date
@@ -59,10 +55,7 @@ module Redmine
         end
 
         def formatted_text(text)
-          html = Redmine::WikiFormatting.to_html(Setting.text_formatting, text)
-          # Strip {{toc}} tags
-          html.gsub!(/<p>\{\{([<>]?)toc\}\}<\/p>/i, '')
-          html
+          Redmine::WikiFormatting.to_html(Setting.text_formatting, text)
         end
 
         def RDMCell(w ,h=0, txt='', border=0, ln=0, align='', fill=0, link='')
@@ -73,7 +66,7 @@ module Redmine
           multi_cell(w, h, txt, border, align, fill, ln)
         end
 
-        def RDMwriteHTMLCell(w, h, x, y, txt='', attachments=[], border=0, ln=1, fill=0)
+        def RDMwriteFormattedCell(w, h, x, y, txt='', attachments=[], border=0, ln=1, fill=0)
           @attachments = attachments
 
           css_tag = ' <style>
@@ -86,9 +79,14 @@ module Redmine
           }
           </style>'
 
-          writeHTMLCell(w, h, x, y,
-            css_tag + formatted_text(txt),
-            border, ln, fill)
+          # Strip {{toc}} tags
+          txt.gsub!(/<p>\{\{([<>]?)toc\}\}<\/p>/i, '')
+          writeHTMLCell(w, h, x, y, css_tag + txt, border, ln, fill)
+        end
+
+        def RDMwriteHTMLCell(w, h, x, y, txt='', attachments=[], border=0, ln=1, fill=0)
+          txt = formatted_text(txt)
+          RDMwriteFormattedCell(w, h, x, y, txt, attachments, border, ln, fill)
         end
 
         def get_image_filename(attrname)
@@ -121,557 +119,6 @@ module Redmine
         end
       end
 
-      def is_cjk?
-        case current_language.to_s.downcase
-        when 'ja', 'zh-tw', 'zh', 'ko'
-          true
-        else
-          false
-        end
-      end
-
-      # fetch row values
-      def fetch_row_values(issue, query, level)
-        query.inline_columns.collect do |column|
-          s = if column.is_a?(QueryCustomFieldColumn)
-            cv = issue.visible_custom_field_values.detect {|v| v.custom_field_id == column.custom_field.id}
-            show_value(cv, false)
-          else
-            value = issue.send(column.name)
-            if column.name == :subject
-              value = "  " * level + value
-            end
-            if value.is_a?(Date)
-              format_date(value)
-            elsif value.is_a?(Time)
-              format_time(value)
-            else
-              value
-            end
-          end
-          s.to_s
-        end
-      end
-
-      # calculate columns width
-      def calc_col_width(issues, query, table_width, pdf)
-        # calculate statistics
-        #  by captions
-        pdf.SetFontStyle('B',8)
-        margins = pdf.get_margins
-        col_padding = margins['cell']
-        col_width_min = query.inline_columns.map {|v| pdf.get_string_width(v.caption) + col_padding}
-        col_width_max = Array.new(col_width_min)
-        col_width_avg = Array.new(col_width_min)
-        col_min = pdf.get_string_width('OO') + col_padding * 2
-        if table_width > col_min * col_width_avg.length
-          table_width -= col_min * col_width_avg.length
-        else
-          col_min = pdf.get_string_width('O') + col_padding * 2
-          if table_width > col_min * col_width_avg.length
-            table_width -= col_min * col_width_avg.length
-          else
-            ratio = table_width / col_width_avg.inject(0, :+)
-            return col_width = col_width_avg.map {|w| w * ratio}
-          end
-        end
-        word_width_max = query.inline_columns.map {|c|
-          n = 10
-          c.caption.split.each {|w|
-            x = pdf.get_string_width(w) + col_padding
-            n = x if n < x
-          }
-          n
-        }
-
-        #  by properties of issues
-        pdf.SetFontStyle('',8)
-        k = 1
-        issue_list(issues) {|issue, level|
-          k += 1
-          values = fetch_row_values(issue, query, level)
-          values.each_with_index {|v,i|
-            n = pdf.get_string_width(v) + col_padding * 2
-            col_width_max[i] = n if col_width_max[i] < n
-            col_width_min[i] = n if col_width_min[i] > n
-            col_width_avg[i] += n
-            v.split.each {|w|
-              x = pdf.get_string_width(w) + col_padding
-              word_width_max[i] = x if word_width_max[i] < x
-            }
-          }
-        }
-        col_width_avg.map! {|x| x / k}
-
-        # calculate columns width
-        ratio = table_width / col_width_avg.inject(0, :+)
-        col_width = col_width_avg.map {|w| w * ratio}
-
-        # correct max word width if too many columns
-        ratio = table_width / word_width_max.inject(0, :+)
-        word_width_max.map! {|v| v * ratio} if ratio < 1
-
-        # correct and lock width of some columns
-        done = 1
-        col_fix = []
-        col_width.each_with_index do |w,i|
-          if w > col_width_max[i]
-            col_width[i] = col_width_max[i]
-            col_fix[i] = 1
-            done = 0
-          elsif w < word_width_max[i]
-            col_width[i] = word_width_max[i]
-            col_fix[i] = 1
-            done = 0
-          else
-            col_fix[i] = 0
-          end
-        end
-
-        # iterate while need to correct and lock coluns width
-        while done == 0
-          # calculate free & locked columns width
-          done = 1
-          ratio = table_width / col_width.inject(0, :+)
-
-          # correct columns width
-          col_width.each_with_index do |w,i|
-            if col_fix[i] == 0
-              col_width[i] = w * ratio
-
-              # check if column width less then max word width
-              if col_width[i] < word_width_max[i]
-                col_width[i] = word_width_max[i]
-                col_fix[i] = 1
-                done = 0
-              elsif col_width[i] > col_width_max[i]
-                col_width[i] = col_width_max[i]
-                col_fix[i] = 1
-                done = 0
-              end
-            end
-          end
-        end
-
-        ratio = table_width / col_width.inject(0, :+)
-        col_width.map! {|v| v * ratio + col_min}
-        col_width
-      end
-
-      def render_table_header(pdf, query, col_width, row_height, table_width)
-        # headers
-        pdf.SetFontStyle('B',8)
-        pdf.set_fill_color(230, 230, 230)
-
-        base_x     = pdf.get_x
-        base_y     = pdf.get_y
-        max_height = get_issues_to_pdf_write_cells(pdf, query.inline_columns, col_width, true)
-
-        # write the cells on page
-        issues_to_pdf_write_cells(pdf, query.inline_columns, col_width, max_height, true)
-        pdf.set_xy(base_x, base_y + max_height)
-
-        # rows
-        pdf.SetFontStyle('',8)
-        pdf.set_fill_color(255, 255, 255)
-      end
-
-      # Returns a PDF string of a list of issues
-      def issues_to_pdf(issues, project, query)
-        pdf = ITCPDF.new(current_language, "L")
-        title = query.new_record? ? l(:label_issue_plural) : query.name
-        title = "#{project} - #{title}" if project
-        pdf.set_title(title)
-        pdf.alias_nb_pages
-        pdf.footer_date = format_date(Date.today)
-        pdf.set_auto_page_break(false)
-        pdf.add_page("L")
-
-        # Landscape A4 = 210 x 297 mm
-        page_height   = pdf.get_page_height # 210
-        page_width    = pdf.get_page_width  # 297
-        left_margin   = pdf.get_original_margins['left'] # 10
-        right_margin  = pdf.get_original_margins['right'] # 10
-        bottom_margin = pdf.get_footer_margin
-        row_height    = 4
-
-        # column widths
-        table_width = page_width - right_margin - left_margin
-        col_width = []
-        unless query.inline_columns.empty?
-          col_width = calc_col_width(issues, query, table_width, pdf)
-          table_width = col_width.inject(0, :+)
-        end
-
-        # use full width if the description is displayed
-        if table_width > 0 && query.has_column?(:description)
-          col_width = col_width.map {|w| w * (page_width - right_margin - left_margin) / table_width}
-          table_width = col_width.inject(0, :+)
-        end
-
-        # title
-        pdf.SetFontStyle('B',11)
-        pdf.RDMCell(190,10, title)
-        pdf.ln
-
-        render_table_header(pdf, query, col_width, row_height, table_width)
-        previous_group = false
-        issue_list(issues) do |issue, level|
-          if query.grouped? &&
-               (group = query.group_by_column.value(issue)) != previous_group
-            pdf.SetFontStyle('B',10)
-            group_label = group.blank? ? 'None' : group.to_s.dup
-            group_label << " (#{query.issue_count_by_group[group]})"
-            pdf.bookmark group_label, 0, -1
-            pdf.RDMCell(table_width, row_height * 2, group_label, 1, 1, 'L')
-            pdf.SetFontStyle('',8)
-            previous_group = group
-          end
-
-          # fetch row values
-          col_values = fetch_row_values(issue, query, level)
-
-          # make new page if it doesn't fit on the current one
-          base_y     = pdf.get_y
-          max_height = get_issues_to_pdf_write_cells(pdf, col_values, col_width)
-          space_left = page_height - base_y - bottom_margin
-          if max_height > space_left
-            pdf.add_page("L")
-            render_table_header(pdf, query, col_width, row_height, table_width)
-            base_y = pdf.get_y
-          end
-
-          # write the cells on page
-          issues_to_pdf_write_cells(pdf, col_values, col_width, max_height)
-          pdf.set_y(base_y + max_height)
-
-          if query.has_column?(:description) && issue.description?
-            pdf.set_x(10)
-            pdf.set_auto_page_break(true, bottom_margin)
-            pdf.RDMwriteHTMLCell(0, 5, 10, '', issue.description.to_s, issue.attachments, "LRBT")
-            pdf.set_auto_page_break(false)
-          end
-        end
-
-        if issues.size == Setting.issues_export_limit.to_i
-          pdf.SetFontStyle('B',10)
-          pdf.RDMCell(0, row_height, '...')
-        end
-        pdf.output
-      end
-
-      # returns the maximum height of MultiCells
-      def get_issues_to_pdf_write_cells(pdf, col_values, col_widths, head=false)
-        heights = []
-        col_values.each_with_index do |column, i|
-          heights << pdf.get_string_height(col_widths[i], head ? column.caption : column)
-        end
-        return heights.max
-      end
-
-      # Renders MultiCells and returns the maximum height used
-      def issues_to_pdf_write_cells(pdf, col_values, col_widths, row_height, head=false)
-        col_values.each_with_index do |column, i|
-          pdf.RDMMultiCell(col_widths[i], row_height, head ? column.caption : column.strip, 1, '', 1, 0)
-        end
-      end
-
-      # Draw lines to close the row (MultiCell border drawing in not uniform)
-      #
-      #  parameter "col_id_width" is not used. it is kept for compatibility.
-      def issues_to_pdf_draw_borders(pdf, top_x, top_y, lower_y,
-                                     col_id_width, col_widths, rtl=false)
-        col_x = top_x
-        pdf.line(col_x, top_y, col_x, lower_y)    # id right border
-        col_widths.each do |width|
-          if rtl
-            col_x -= width
-          else
-            col_x += width
-          end
-          pdf.line(col_x, top_y, col_x, lower_y)  # columns right border
-        end
-        pdf.line(top_x, top_y, top_x, lower_y)    # left border
-        pdf.line(top_x, lower_y, col_x, lower_y)  # bottom border
-      end
-
-      # Returns a PDF string of a single issue
-      def issue_to_pdf(issue, assoc={})
-        pdf = ITCPDF.new(current_language)
-        pdf.set_title("#{issue.project} - #{issue.tracker} ##{issue.id}")
-        pdf.alias_nb_pages
-        pdf.footer_date = format_date(Date.today)
-        pdf.add_page
-        pdf.SetFontStyle('B',11)
-        buf = "#{issue.project} - #{issue.tracker} ##{issue.id}"
-        pdf.RDMMultiCell(190, 5, buf)
-        pdf.SetFontStyle('',8)
-        base_x = pdf.get_x
-        i = 1
-        issue.ancestors.visible.each do |ancestor|
-          pdf.set_x(base_x + i)
-          buf = "#{ancestor.tracker} # #{ancestor.id} (#{ancestor.status.to_s}): #{ancestor.subject}"
-          pdf.RDMMultiCell(190 - i, 5, buf)
-          i += 1 if i < 35
-        end
-        pdf.SetFontStyle('B',11)
-        pdf.RDMMultiCell(190 - i, 5, issue.subject.to_s)
-        pdf.SetFontStyle('',8)
-        pdf.RDMMultiCell(190, 5, "#{format_time(issue.created_on)} - #{issue.author}")
-        pdf.ln
-
-        left = []
-        left << [l(:field_status), issue.status]
-        left << [l(:field_priority), issue.priority]
-        left << [l(:field_assigned_to), issue.assigned_to] unless issue.disabled_core_fields.include?('assigned_to_id')
-        left << [l(:field_category), issue.category] unless issue.disabled_core_fields.include?('category_id')
-        left << [l(:field_fixed_version), issue.fixed_version] unless issue.disabled_core_fields.include?('fixed_version_id')
-
-        right = []
-        right << [l(:field_start_date), format_date(issue.start_date)] unless issue.disabled_core_fields.include?('start_date')
-        right << [l(:field_due_date), format_date(issue.due_date)] unless issue.disabled_core_fields.include?('due_date')
-        right << [l(:field_done_ratio), "#{issue.done_ratio}%"] unless issue.disabled_core_fields.include?('done_ratio')
-        right << [l(:field_estimated_hours), l_hours(issue.estimated_hours)] unless issue.disabled_core_fields.include?('estimated_hours')
-        right << [l(:label_spent_time), l_hours(issue.total_spent_hours)] if User.current.allowed_to?(:view_time_entries, issue.project)
-
-        rows = left.size > right.size ? left.size : right.size
-        while left.size < rows
-          left << nil
-        end
-        while right.size < rows
-          right << nil
-        end
-
-        half = (issue.visible_custom_field_values.size / 2.0).ceil
-        issue.visible_custom_field_values.each_with_index do |custom_value, i|
-          (i < half ? left : right) << [custom_value.custom_field.name, show_value(custom_value, false)]
-        end
-
-        if pdf.get_rtl
-          border_first_top = 'RT'
-          border_last_top  = 'LT'
-          border_first = 'R'
-          border_last  = 'L'
-        else
-          border_first_top = 'LT'
-          border_last_top  = 'RT'
-          border_first = 'L'
-          border_last  = 'R'
-        end
-
-        rows = left.size > right.size ? left.size : right.size
-        rows.times do |i|
-          heights = []
-          pdf.SetFontStyle('B',9)
-          item = left[i]
-          heights << pdf.get_string_height(35, item ? "#{item.first}:" : "")
-          item = right[i]
-          heights << pdf.get_string_height(35, item ? "#{item.first}:" : "")
-          pdf.SetFontStyle('',9)
-          item = left[i]
-          heights << pdf.get_string_height(60, item ? item.last.to_s  : "")
-          item = right[i]
-          heights << pdf.get_string_height(60, item ? item.last.to_s  : "")
-          height = heights.max
-
-          item = left[i]
-          pdf.SetFontStyle('B',9)
-          pdf.RDMMultiCell(35, height, item ? "#{item.first}:" : "", (i == 0 ? border_first_top : border_first), '', 0, 0)
-          pdf.SetFontStyle('',9)
-          pdf.RDMMultiCell(60, height, item ? item.last.to_s : "", (i == 0 ? border_last_top : border_last), '', 0, 0)
-
-          item = right[i]
-          pdf.SetFontStyle('B',9)
-          pdf.RDMMultiCell(35, height, item ? "#{item.first}:" : "",  (i == 0 ? border_first_top : border_first), '', 0, 0)
-          pdf.SetFontStyle('',9)
-          pdf.RDMMultiCell(60, height, item ? item.last.to_s : "", (i == 0 ? border_last_top : border_last), '', 0, 2)
-
-          pdf.set_x(base_x)
-        end
-
-        pdf.SetFontStyle('B',9)
-        pdf.RDMCell(35+155, 5, l(:field_description), "LRT", 1)
-        pdf.SetFontStyle('',9)
-
-        # Set resize image scale
-        pdf.set_image_scale(1.6)
-        pdf.RDMwriteHTMLCell(35+155, 5, '', '',
-              issue.description.to_s, issue.attachments, "LRB")
-
-        unless issue.leaf?
-          truncate_length = (!is_cjk? ? 90 : 65)
-          pdf.SetFontStyle('B',9)
-          pdf.RDMCell(35+155,5, l(:label_subtask_plural) + ":", "LTR")
-          pdf.ln
-          issue_list(issue.descendants.visible.sort_by(&:lft)) do |child, level|
-            buf = "#{child.tracker} # #{child.id}: #{child.subject}".
-                    truncate(truncate_length)
-            level = 10 if level >= 10
-            pdf.SetFontStyle('',8)
-            pdf.RDMCell(35+135,5, (level >=1 ? "  " * level : "") + buf, border_first)
-            pdf.SetFontStyle('B',8)
-            pdf.RDMCell(20,5, child.status.to_s, border_last)
-            pdf.ln
-          end
-        end
-
-        relations = issue.relations.select { |r| r.other_issue(issue).visible? }
-        unless relations.empty?
-          truncate_length = (!is_cjk? ? 80 : 60)
-          pdf.SetFontStyle('B',9)
-          pdf.RDMCell(35+155,5, l(:label_related_issues) + ":", "LTR")
-          pdf.ln
-          relations.each do |relation|
-            buf = relation.to_s(issue) {|other|
-              text = ""
-              if Setting.cross_project_issue_relations?
-                text += "#{relation.other_issue(issue).project} - "
-              end
-              text += "#{other.tracker} ##{other.id}: #{other.subject}"
-              text
-            }
-            buf = buf.truncate(truncate_length)
-            pdf.SetFontStyle('', 8)
-            pdf.RDMCell(35+155-60, 5, buf, border_first)
-            pdf.SetFontStyle('B',8)
-            pdf.RDMCell(20,5, relation.other_issue(issue).status.to_s, "")
-            pdf.RDMCell(20,5, format_date(relation.other_issue(issue).start_date), "")
-            pdf.RDMCell(20,5, format_date(relation.other_issue(issue).due_date), border_last)
-            pdf.ln
-          end
-        end
-        pdf.RDMCell(190,5, "", "T")
-        pdf.ln
-
-        if issue.changesets.any? &&
-             User.current.allowed_to?(:view_changesets, issue.project)
-          pdf.SetFontStyle('B',9)
-          pdf.RDMCell(190,5, l(:label_associated_revisions), "B")
-          pdf.ln
-          for changeset in issue.changesets
-            pdf.SetFontStyle('B',8)
-            csstr  = "#{l(:label_revision)} #{changeset.format_identifier} - "
-            csstr += format_time(changeset.committed_on) + " - " + changeset.author.to_s
-            pdf.RDMCell(190, 5, csstr)
-            pdf.ln
-            unless changeset.comments.blank?
-              pdf.SetFontStyle('',8)
-              pdf.RDMwriteHTMLCell(190,5,'','',
-                    changeset.comments.to_s, issue.attachments, "")
-            end
-            pdf.ln
-          end
-        end
-
-        if assoc[:journals].present?
-          pdf.SetFontStyle('B',9)
-          pdf.RDMCell(190,5, l(:label_history), "B")
-          pdf.ln
-          assoc[:journals].each do |journal|
-            pdf.SetFontStyle('B',8)
-            title = "##{journal.indice} - #{format_time(journal.created_on)} - #{journal.user}"
-            title << " (#{l(:field_private_notes)})" if journal.private_notes?
-            pdf.RDMCell(190,5, title)
-            pdf.ln
-            pdf.SetFontStyle('I',8)
-            details_to_strings(journal.visible_details, true).each do |string|
-              pdf.RDMMultiCell(190,5, "- " + string)
-            end
-            if journal.notes?
-              pdf.ln unless journal.details.empty?
-              pdf.SetFontStyle('',8)
-              pdf.RDMwriteHTMLCell(190,5,'','',
-                    journal.notes.to_s, issue.attachments, "")
-            end
-            pdf.ln
-          end
-        end
-
-        if issue.attachments.any?
-          pdf.SetFontStyle('B',9)
-          pdf.RDMCell(190,5, l(:label_attachment_plural), "B")
-          pdf.ln
-          for attachment in issue.attachments
-            pdf.SetFontStyle('',8)
-            pdf.RDMCell(80,5, attachment.filename)
-            pdf.RDMCell(20,5, number_to_human_size(attachment.filesize),0,0,"R")
-            pdf.RDMCell(25,5, format_date(attachment.created_on),0,0,"R")
-            pdf.RDMCell(65,5, attachment.author.name,0,0,"R")
-            pdf.ln
-          end
-        end
-        pdf.output
-      end
-
-      # Returns a PDF string of a set of wiki pages
-      def wiki_pages_to_pdf(pages, project)
-        pdf = ITCPDF.new(current_language)
-        pdf.set_title(project.name)
-        pdf.alias_nb_pages
-        pdf.footer_date = format_date(Date.today)
-        pdf.add_page
-        pdf.SetFontStyle('B',11)
-        pdf.RDMMultiCell(190,5, project.name)
-        pdf.ln
-        # Set resize image scale
-        pdf.set_image_scale(1.6)
-        pdf.SetFontStyle('',9)
-        write_page_hierarchy(pdf, pages.group_by(&:parent_id))
-        pdf.output
-      end
-
-      # Returns a PDF string of a single wiki page
-      def wiki_page_to_pdf(page, project)
-        pdf = ITCPDF.new(current_language)
-        pdf.set_title("#{project} - #{page.title}")
-        pdf.alias_nb_pages
-        pdf.footer_date = format_date(Date.today)
-        pdf.add_page
-        pdf.SetFontStyle('B',11)
-        pdf.RDMMultiCell(190,5,
-             "#{project} - #{page.title} - # #{page.content.version}")
-        pdf.ln
-        # Set resize image scale
-        pdf.set_image_scale(1.6)
-        pdf.SetFontStyle('',9)
-        write_wiki_page(pdf, page)
-        pdf.output
-      end
-
-      def write_page_hierarchy(pdf, pages, node=nil, level=0)
-        if pages[node]
-          pages[node].each do |page|
-            if @new_page
-              pdf.add_page
-            else
-              @new_page = true
-            end
-            pdf.bookmark page.title, level
-            write_wiki_page(pdf, page)
-            write_page_hierarchy(pdf, pages, page.id, level + 1) if pages[page.id]
-          end
-        end
-      end
-
-      def write_wiki_page(pdf, page)
-        pdf.RDMwriteHTMLCell(190,5,'','',
-              page.content.text.to_s, page.attachments, 0)
-        if page.attachments.any?
-          pdf.ln(5)
-          pdf.SetFontStyle('B',9)
-          pdf.RDMCell(190,5, l(:label_attachment_plural), "B")
-          pdf.ln
-          for attachment in page.attachments
-            pdf.SetFontStyle('',8)
-            pdf.RDMCell(80,5, attachment.filename)
-            pdf.RDMCell(20,5, number_to_human_size(attachment.filesize),0,0,"R")
-            pdf.RDMCell(25,5, format_date(attachment.created_on),0,0,"R")
-            pdf.RDMCell(65,5, attachment.author.name,0,0,"R")
-            pdf.ln
-          end
-        end
-      end
-
       class RDMPdfEncoding
         def self.rdm_from_utf8(txt, encoding)
           txt ||= ''
diff --git a/lib/redmine/export/pdf/issues_pdf_helper.rb b/lib/redmine/export/pdf/issues_pdf_helper.rb
new file mode 100644
index 000000000..897f41392
--- /dev/null
+++ b/lib/redmine/export/pdf/issues_pdf_helper.rb
@@ -0,0 +1,508 @@
+# encoding: utf-8
+#
+# Redmine - project management software
+# Copyright (C) 2006-2015  Jean-Philippe Lang
+#
+# 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.
+
+module Redmine
+  module Export
+    module PDF
+      module IssuesPdfHelper
+        # Returns a PDF string of a single issue
+        def issue_to_pdf(issue, assoc={})
+          pdf = ITCPDF.new(current_language)
+          pdf.set_title("#{issue.project} - #{issue.tracker} ##{issue.id}")
+          pdf.alias_nb_pages
+          pdf.footer_date = format_date(Date.today)
+          pdf.add_page
+          pdf.SetFontStyle('B',11)
+          buf = "#{issue.project} - #{issue.tracker} ##{issue.id}"
+          pdf.RDMMultiCell(190, 5, buf)
+          pdf.SetFontStyle('',8)
+          base_x = pdf.get_x
+          i = 1
+          issue.ancestors.visible.each do |ancestor|
+            pdf.set_x(base_x + i)
+            buf = "#{ancestor.tracker} # #{ancestor.id} (#{ancestor.status.to_s}): #{ancestor.subject}"
+            pdf.RDMMultiCell(190 - i, 5, buf)
+            i += 1 if i < 35
+          end
+          pdf.SetFontStyle('B',11)
+          pdf.RDMMultiCell(190 - i, 5, issue.subject.to_s)
+          pdf.SetFontStyle('',8)
+          pdf.RDMMultiCell(190, 5, "#{format_time(issue.created_on)} - #{issue.author}")
+          pdf.ln
+  
+          left = []
+          left << [l(:field_status), issue.status]
+          left << [l(:field_priority), issue.priority]
+          left << [l(:field_assigned_to), issue.assigned_to] unless issue.disabled_core_fields.include?('assigned_to_id')
+          left << [l(:field_category), issue.category] unless issue.disabled_core_fields.include?('category_id')
+          left << [l(:field_fixed_version), issue.fixed_version] unless issue.disabled_core_fields.include?('fixed_version_id')
+  
+          right = []
+          right << [l(:field_start_date), format_date(issue.start_date)] unless issue.disabled_core_fields.include?('start_date')
+          right << [l(:field_due_date), format_date(issue.due_date)] unless issue.disabled_core_fields.include?('due_date')
+          right << [l(:field_done_ratio), "#{issue.done_ratio}%"] unless issue.disabled_core_fields.include?('done_ratio')
+          right << [l(:field_estimated_hours), l_hours(issue.estimated_hours)] unless issue.disabled_core_fields.include?('estimated_hours')
+          right << [l(:label_spent_time), l_hours(issue.total_spent_hours)] if User.current.allowed_to?(:view_time_entries, issue.project)
+  
+          rows = left.size > right.size ? left.size : right.size
+          while left.size < rows
+            left << nil
+          end
+          while right.size < rows
+            right << nil
+          end
+  
+          half = (issue.visible_custom_field_values.size / 2.0).ceil
+          issue.visible_custom_field_values.each_with_index do |custom_value, i|
+            (i < half ? left : right) << [custom_value.custom_field.name, show_value(custom_value, false)]
+          end
+  
+          if pdf.get_rtl
+            border_first_top = 'RT'
+            border_last_top  = 'LT'
+            border_first = 'R'
+            border_last  = 'L'
+          else
+            border_first_top = 'LT'
+            border_last_top  = 'RT'
+            border_first = 'L'
+            border_last  = 'R'
+          end
+  
+          rows = left.size > right.size ? left.size : right.size
+          rows.times do |i|
+            heights = []
+            pdf.SetFontStyle('B',9)
+            item = left[i]
+            heights << pdf.get_string_height(35, item ? "#{item.first}:" : "")
+            item = right[i]
+            heights << pdf.get_string_height(35, item ? "#{item.first}:" : "")
+            pdf.SetFontStyle('',9)
+            item = left[i]
+            heights << pdf.get_string_height(60, item ? item.last.to_s  : "")
+            item = right[i]
+            heights << pdf.get_string_height(60, item ? item.last.to_s  : "")
+            height = heights.max
+  
+            item = left[i]
+            pdf.SetFontStyle('B',9)
+            pdf.RDMMultiCell(35, height, item ? "#{item.first}:" : "", (i == 0 ? border_first_top : border_first), '', 0, 0)
+            pdf.SetFontStyle('',9)
+            pdf.RDMMultiCell(60, height, item ? item.last.to_s : "", (i == 0 ? border_last_top : border_last), '', 0, 0)
+  
+            item = right[i]
+            pdf.SetFontStyle('B',9)
+            pdf.RDMMultiCell(35, height, item ? "#{item.first}:" : "",  (i == 0 ? border_first_top : border_first), '', 0, 0)
+            pdf.SetFontStyle('',9)
+            pdf.RDMMultiCell(60, height, item ? item.last.to_s : "", (i == 0 ? border_last_top : border_last), '', 0, 2)
+  
+            pdf.set_x(base_x)
+          end
+  
+          pdf.SetFontStyle('B',9)
+          pdf.RDMCell(35+155, 5, l(:field_description), "LRT", 1)
+          pdf.SetFontStyle('',9)
+  
+          # Set resize image scale
+          pdf.set_image_scale(1.6)
+          pdf.RDMwriteHTMLCell(35+155, 5, '', '',
+                issue.description.to_s, issue.attachments, "LRB")
+  
+          unless issue.leaf?
+            truncate_length = (!is_cjk? ? 90 : 65)
+            pdf.SetFontStyle('B',9)
+            pdf.RDMCell(35+155,5, l(:label_subtask_plural) + ":", "LTR")
+            pdf.ln
+            issue_list(issue.descendants.visible.sort_by(&:lft)) do |child, level|
+              buf = "#{child.tracker} # #{child.id}: #{child.subject}".
+                      truncate(truncate_length)
+              level = 10 if level >= 10
+              pdf.SetFontStyle('',8)
+              pdf.RDMCell(35+135,5, (level >=1 ? "  " * level : "") + buf, border_first)
+              pdf.SetFontStyle('B',8)
+              pdf.RDMCell(20,5, child.status.to_s, border_last)
+              pdf.ln
+            end
+          end
+  
+          relations = issue.relations.select { |r| r.other_issue(issue).visible? }
+          unless relations.empty?
+            truncate_length = (!is_cjk? ? 80 : 60)
+            pdf.SetFontStyle('B',9)
+            pdf.RDMCell(35+155,5, l(:label_related_issues) + ":", "LTR")
+            pdf.ln
+            relations.each do |relation|
+              buf = relation.to_s(issue) {|other|
+                text = ""
+                if Setting.cross_project_issue_relations?
+                  text += "#{relation.other_issue(issue).project} - "
+                end
+                text += "#{other.tracker} ##{other.id}: #{other.subject}"
+                text
+              }
+              buf = buf.truncate(truncate_length)
+              pdf.SetFontStyle('', 8)
+              pdf.RDMCell(35+155-60, 5, buf, border_first)
+              pdf.SetFontStyle('B',8)
+              pdf.RDMCell(20,5, relation.other_issue(issue).status.to_s, "")
+              pdf.RDMCell(20,5, format_date(relation.other_issue(issue).start_date), "")
+              pdf.RDMCell(20,5, format_date(relation.other_issue(issue).due_date), border_last)
+              pdf.ln
+            end
+          end
+          pdf.RDMCell(190,5, "", "T")
+          pdf.ln
+  
+          if issue.changesets.any? &&
+               User.current.allowed_to?(:view_changesets, issue.project)
+            pdf.SetFontStyle('B',9)
+            pdf.RDMCell(190,5, l(:label_associated_revisions), "B")
+            pdf.ln
+            for changeset in issue.changesets
+              pdf.SetFontStyle('B',8)
+              csstr  = "#{l(:label_revision)} #{changeset.format_identifier} - "
+              csstr += format_time(changeset.committed_on) + " - " + changeset.author.to_s
+              pdf.RDMCell(190, 5, csstr)
+              pdf.ln
+              unless changeset.comments.blank?
+                pdf.SetFontStyle('',8)
+                pdf.RDMwriteHTMLCell(190,5,'','',
+                      changeset.comments.to_s, issue.attachments, "")
+              end
+              pdf.ln
+            end
+          end
+  
+          if assoc[:journals].present?
+            pdf.SetFontStyle('B',9)
+            pdf.RDMCell(190,5, l(:label_history), "B")
+            pdf.ln
+            assoc[:journals].each do |journal|
+              pdf.SetFontStyle('B',8)
+              title = "##{journal.indice} - #{format_time(journal.created_on)} - #{journal.user}"
+              title << " (#{l(:field_private_notes)})" if journal.private_notes?
+              pdf.RDMCell(190,5, title)
+              pdf.ln
+              pdf.SetFontStyle('I',8)
+              details_to_strings(journal.visible_details, true).each do |string|
+                pdf.RDMMultiCell(190,5, "- " + string)
+              end
+              if journal.notes?
+                pdf.ln unless journal.details.empty?
+                pdf.SetFontStyle('',8)
+                pdf.RDMwriteHTMLCell(190,5,'','',
+                      journal.notes.to_s, issue.attachments, "")
+              end
+              pdf.ln
+            end
+          end
+  
+          if issue.attachments.any?
+            pdf.SetFontStyle('B',9)
+            pdf.RDMCell(190,5, l(:label_attachment_plural), "B")
+            pdf.ln
+            for attachment in issue.attachments
+              pdf.SetFontStyle('',8)
+              pdf.RDMCell(80,5, attachment.filename)
+              pdf.RDMCell(20,5, number_to_human_size(attachment.filesize),0,0,"R")
+              pdf.RDMCell(25,5, format_date(attachment.created_on),0,0,"R")
+              pdf.RDMCell(65,5, attachment.author.name,0,0,"R")
+              pdf.ln
+            end
+          end
+          pdf.output
+        end
+
+        # Returns a PDF string of a list of issues
+        def issues_to_pdf(issues, project, query)
+          pdf = ITCPDF.new(current_language, "L")
+          title = query.new_record? ? l(:label_issue_plural) : query.name
+          title = "#{project} - #{title}" if project
+          pdf.set_title(title)
+          pdf.alias_nb_pages
+          pdf.footer_date = format_date(Date.today)
+          pdf.set_auto_page_break(false)
+          pdf.add_page("L")
+  
+          # Landscape A4 = 210 x 297 mm
+          page_height   = pdf.get_page_height # 210
+          page_width    = pdf.get_page_width  # 297
+          left_margin   = pdf.get_original_margins['left'] # 10
+          right_margin  = pdf.get_original_margins['right'] # 10
+          bottom_margin = pdf.get_footer_margin
+          row_height    = 4
+  
+          # column widths
+          table_width = page_width - right_margin - left_margin
+          col_width = []
+          unless query.inline_columns.empty?
+            col_width = calc_col_width(issues, query, table_width, pdf)
+            table_width = col_width.inject(0, :+)
+          end
+  
+          # use full width if the description is displayed
+          if table_width > 0 && query.has_column?(:description)
+            col_width = col_width.map {|w| w * (page_width - right_margin - left_margin) / table_width}
+            table_width = col_width.inject(0, :+)
+          end
+  
+          # title
+          pdf.SetFontStyle('B',11)
+          pdf.RDMCell(190,10, title)
+          pdf.ln
+  
+          render_table_header(pdf, query, col_width, row_height, table_width)
+          previous_group = false
+          issue_list(issues) do |issue, level|
+            if query.grouped? &&
+                 (group = query.group_by_column.value(issue)) != previous_group
+              pdf.SetFontStyle('B',10)
+              group_label = group.blank? ? 'None' : group.to_s.dup
+              group_label << " (#{query.issue_count_by_group[group]})"
+              pdf.bookmark group_label, 0, -1
+              pdf.RDMCell(table_width, row_height * 2, group_label, 1, 1, 'L')
+              pdf.SetFontStyle('',8)
+              previous_group = group
+            end
+  
+            # fetch row values
+            col_values = fetch_row_values(issue, query, level)
+  
+            # make new page if it doesn't fit on the current one
+            base_y     = pdf.get_y
+            max_height = get_issues_to_pdf_write_cells(pdf, col_values, col_width)
+            space_left = page_height - base_y - bottom_margin
+            if max_height > space_left
+              pdf.add_page("L")
+              render_table_header(pdf, query, col_width, row_height, table_width)
+              base_y = pdf.get_y
+            end
+  
+            # write the cells on page
+            issues_to_pdf_write_cells(pdf, col_values, col_width, max_height)
+            pdf.set_y(base_y + max_height)
+  
+            if query.has_column?(:description) && issue.description?
+              pdf.set_x(10)
+              pdf.set_auto_page_break(true, bottom_margin)
+              pdf.RDMwriteHTMLCell(0, 5, 10, '', issue.description.to_s, issue.attachments, "LRBT")
+              pdf.set_auto_page_break(false)
+            end
+          end
+  
+          if issues.size == Setting.issues_export_limit.to_i
+            pdf.SetFontStyle('B',10)
+            pdf.RDMCell(0, row_height, '...')
+          end
+          pdf.output
+        end
+
+        def is_cjk?
+          case current_language.to_s.downcase
+          when 'ja', 'zh-tw', 'zh', 'ko'
+            true
+          else
+            false
+          end
+        end
+
+        # fetch row values
+        def fetch_row_values(issue, query, level)
+          query.inline_columns.collect do |column|
+            s = if column.is_a?(QueryCustomFieldColumn)
+              cv = issue.visible_custom_field_values.detect {|v| v.custom_field_id == column.custom_field.id}
+              show_value(cv, false)
+            else
+              value = issue.send(column.name)
+              if column.name == :subject
+                value = "  " * level + value
+              end
+              if value.is_a?(Date)
+                format_date(value)
+              elsif value.is_a?(Time)
+                format_time(value)
+              else
+                value
+              end
+            end
+            s.to_s
+          end
+        end
+
+        # calculate columns width
+        def calc_col_width(issues, query, table_width, pdf)
+          # calculate statistics
+          #  by captions
+          pdf.SetFontStyle('B',8)
+          margins = pdf.get_margins
+          col_padding = margins['cell']
+          col_width_min = query.inline_columns.map {|v| pdf.get_string_width(v.caption) + col_padding}
+          col_width_max = Array.new(col_width_min)
+          col_width_avg = Array.new(col_width_min)
+          col_min = pdf.get_string_width('OO') + col_padding * 2
+          if table_width > col_min * col_width_avg.length
+            table_width -= col_min * col_width_avg.length
+          else
+            col_min = pdf.get_string_width('O') + col_padding * 2
+            if table_width > col_min * col_width_avg.length
+              table_width -= col_min * col_width_avg.length
+            else
+              ratio = table_width / col_width_avg.inject(0, :+)
+              return col_width = col_width_avg.map {|w| w * ratio}
+            end
+          end
+          word_width_max = query.inline_columns.map {|c|
+            n = 10
+            c.caption.split.each {|w|
+              x = pdf.get_string_width(w) + col_padding
+              n = x if n < x
+            }
+            n
+          }
+
+          #  by properties of issues
+          pdf.SetFontStyle('',8)
+          k = 1
+          issue_list(issues) {|issue, level|
+            k += 1
+            values = fetch_row_values(issue, query, level)
+            values.each_with_index {|v,i|
+              n = pdf.get_string_width(v) + col_padding * 2
+              col_width_max[i] = n if col_width_max[i] < n
+              col_width_min[i] = n if col_width_min[i] > n
+              col_width_avg[i] += n
+              v.split.each {|w|
+                x = pdf.get_string_width(w) + col_padding
+                word_width_max[i] = x if word_width_max[i] < x
+              }
+            }
+          }
+          col_width_avg.map! {|x| x / k}
+
+          # calculate columns width
+          ratio = table_width / col_width_avg.inject(0, :+)
+          col_width = col_width_avg.map {|w| w * ratio}
+
+          # correct max word width if too many columns
+          ratio = table_width / word_width_max.inject(0, :+)
+          word_width_max.map! {|v| v * ratio} if ratio < 1
+
+          # correct and lock width of some columns
+          done = 1
+          col_fix = []
+          col_width.each_with_index do |w,i|
+            if w > col_width_max[i]
+              col_width[i] = col_width_max[i]
+              col_fix[i] = 1
+              done = 0
+            elsif w < word_width_max[i]
+              col_width[i] = word_width_max[i]
+              col_fix[i] = 1
+              done = 0
+            else
+              col_fix[i] = 0
+            end
+          end
+
+          # iterate while need to correct and lock coluns width
+          while done == 0
+            # calculate free & locked columns width
+            done = 1
+            ratio = table_width / col_width.inject(0, :+)
+
+            # correct columns width
+            col_width.each_with_index do |w,i|
+              if col_fix[i] == 0
+                col_width[i] = w * ratio
+
+                # check if column width less then max word width
+                if col_width[i] < word_width_max[i]
+                  col_width[i] = word_width_max[i]
+                  col_fix[i] = 1
+                  done = 0
+                elsif col_width[i] > col_width_max[i]
+                  col_width[i] = col_width_max[i]
+                  col_fix[i] = 1
+                  done = 0
+                end
+              end
+            end
+          end
+
+          ratio = table_width / col_width.inject(0, :+)
+          col_width.map! {|v| v * ratio + col_min}
+          col_width
+        end
+
+        def render_table_header(pdf, query, col_width, row_height, table_width)
+          # headers
+          pdf.SetFontStyle('B',8)
+          pdf.set_fill_color(230, 230, 230)
+
+          base_x     = pdf.get_x
+          base_y     = pdf.get_y
+          max_height = get_issues_to_pdf_write_cells(pdf, query.inline_columns, col_width, true)
+
+          # write the cells on page
+          issues_to_pdf_write_cells(pdf, query.inline_columns, col_width, max_height, true)
+          pdf.set_xy(base_x, base_y + max_height)
+
+          # rows
+          pdf.SetFontStyle('',8)
+          pdf.set_fill_color(255, 255, 255)
+        end
+
+        # returns the maximum height of MultiCells
+        def get_issues_to_pdf_write_cells(pdf, col_values, col_widths, head=false)
+          heights = []
+          col_values.each_with_index do |column, i|
+            heights << pdf.get_string_height(col_widths[i], head ? column.caption : column)
+          end
+          return heights.max
+        end
+
+        # Renders MultiCells and returns the maximum height used
+        def issues_to_pdf_write_cells(pdf, col_values, col_widths, row_height, head=false)
+          col_values.each_with_index do |column, i|
+            pdf.RDMMultiCell(col_widths[i], row_height, head ? column.caption : column.strip, 1, '', 1, 0)
+          end
+        end
+
+        # Draw lines to close the row (MultiCell border drawing in not uniform)
+        #
+        #  parameter "col_id_width" is not used. it is kept for compatibility.
+        def issues_to_pdf_draw_borders(pdf, top_x, top_y, lower_y,
+                                       col_id_width, col_widths, rtl=false)
+          col_x = top_x
+          pdf.line(col_x, top_y, col_x, lower_y)    # id right border
+          col_widths.each do |width|
+            if rtl
+              col_x -= width
+            else
+              col_x += width
+            end
+            pdf.line(col_x, top_y, col_x, lower_y)  # columns right border
+          end
+          pdf.line(top_x, top_y, top_x, lower_y)    # left border
+          pdf.line(top_x, lower_y, col_x, lower_y)  # bottom border
+        end
+      end
+    end
+  end
+end
diff --git a/lib/redmine/export/pdf/wiki_pdf_helper.rb b/lib/redmine/export/pdf/wiki_pdf_helper.rb
new file mode 100644
index 000000000..91473765d
--- /dev/null
+++ b/lib/redmine/export/pdf/wiki_pdf_helper.rb
@@ -0,0 +1,100 @@
+# encoding: utf-8
+#
+# Redmine - project management software
+# Copyright (C) 2006-2015  Jean-Philippe Lang
+#
+# 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.
+
+module Redmine
+  module Export
+    module PDF
+      module WikiPdfHelper
+        # Returns a PDF string of a set of wiki pages
+        def wiki_pages_to_pdf(pages, project)
+          pdf = Redmine::Export::PDF::ITCPDF.new(current_language)
+          pdf.set_title(project.name)
+          pdf.alias_nb_pages
+          pdf.footer_date = format_date(Date.today)
+          pdf.add_page
+          pdf.SetFontStyle('B',11)
+          pdf.RDMMultiCell(190,5, project.name)
+          pdf.ln
+          # Set resize image scale
+          pdf.set_image_scale(1.6)
+          pdf.SetFontStyle('',9)
+          write_page_hierarchy(pdf, pages.group_by(&:parent_id))
+          pdf.output
+        end
+
+        # Returns a PDF string of a single wiki page
+        def wiki_page_to_pdf(page, project)
+          pdf = ITCPDF.new(current_language)
+          pdf.set_title("#{project} - #{page.title}")
+          pdf.alias_nb_pages
+          pdf.footer_date = format_date(Date.today)
+          pdf.add_page
+          pdf.SetFontStyle('B',11)
+          pdf.RDMMultiCell(190,5,
+               "#{project} - #{page.title} - # #{page.content.version}")
+          pdf.ln
+          # Set resize image scale
+          pdf.set_image_scale(1.6)
+          pdf.SetFontStyle('',9)
+          write_wiki_page(pdf, page)
+          pdf.output
+        end
+
+        def write_page_hierarchy(pdf, pages, node=nil, level=0)
+          if pages[node]
+            pages[node].each do |page|
+              if @new_page
+                pdf.add_page
+              else
+                @new_page = true
+              end
+              pdf.bookmark page.title, level
+              write_wiki_page(pdf, page)
+              write_page_hierarchy(pdf, pages, page.id, level + 1) if pages[page.id]
+            end
+          end
+        end
+
+        def write_wiki_page(pdf, page)
+          text = textilizable(page.content, :text,
+            :only_path => false,
+            :edit_section_links => false,
+            :headings => false,
+            :inline_attachments => false
+          )
+          pdf.RDMwriteFormattedCell(190,5,'','', text, page.attachments, 0)
+          if page.attachments.any?
+            pdf.ln(5)
+            pdf.SetFontStyle('B',9)
+            pdf.RDMCell(190,5, l(:label_attachment_plural), "B")
+            pdf.ln
+            for attachment in page.attachments
+              pdf.SetFontStyle('',8)
+              pdf.RDMCell(80,5, attachment.filename)
+              pdf.RDMCell(20,5, number_to_human_size(attachment.filesize),0,0,"R")
+              pdf.RDMCell(25,5, format_date(attachment.created_on),0,0,"R")
+              pdf.RDMCell(65,5, attachment.author.name,0,0,"R")
+              pdf.ln
+            end
+          end
+        end
+      end
+    end
+  end
+end