Redmine/lib/redmine/export/pdf.rb

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# encoding: utf-8
#
# Redmine - project management software
# Copyright (C) 2006-2011 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.
require 'iconv'
require 'rfpdf/fpdf'
require 'fpdf/chinese'
require 'fpdf/japanese'
require 'fpdf/korean'
module Redmine
module Export
module PDF
include ActionView::Helpers::TextHelper
include ActionView::Helpers::NumberHelper
class ITCPDF < TCPDF
include Redmine::I18n
attr_accessor :footer_date
def initialize(lang)
set_language_if_valid lang
pdf_encoding = l(:general_pdf_encoding).upcase
if RUBY_VERSION < '1.9'
@ic = Iconv.new(pdf_encoding, 'UTF-8')
end
super('P', 'mm', 'A4', (pdf_encoding == 'UTF-8'), pdf_encoding)
case current_language.to_s.downcase
when 'vi'
@font_for_content = 'DejaVuSans'
@font_for_footer = 'DejaVuSans'
else
case pdf_encoding
when 'UTF-8'
@font_for_content = 'FreeSans'
@font_for_footer = 'FreeSans'
when 'CP949'
extend(PDF_Korean)
AddUHCFont()
@font_for_content = 'UHC'
@font_for_footer = 'UHC'
when 'CP932', 'SJIS', 'SHIFT_JIS'
extend(PDF_Japanese)
AddSJISFont()
@font_for_content = 'SJIS'
@font_for_footer = 'SJIS'
when 'GB18030'
extend(PDF_Chinese)
AddGBFont()
@font_for_content = 'GB'
@font_for_footer = 'GB'
when 'BIG5'
extend(PDF_Chinese)
AddBig5Font()
@font_for_content = 'Big5'
@font_for_footer = 'Big5'
else
@font_for_content = 'Arial'
@font_for_footer = 'Helvetica'
end
end
SetCreator(Redmine::Info.app_name)
SetFont(@font_for_content)
end
def SetFontStyle(style, size)
SetFont(@font_for_content, style, size)
end
def SetTitle(txt)
txt = begin
utf16txt = Iconv.conv('UTF-16BE', 'UTF-8', txt)
hextxt = "<FEFF" # FEFF is BOM
hextxt << utf16txt.unpack("C*").map {|x| sprintf("%02X",x) }.join
hextxt << ">"
rescue
txt
end || ''
super(txt)
end
def textstring(s)
# Format a text string
if s =~ /^</ # This means the string is hex-dumped.
return s
else
return '('+escape(s)+')'
end
end
def fix_text_encoding(txt)
RDMPdfEncoding::rdm_pdf_iconv(@ic, txt)
end
def RDMCell(w ,h=0, txt='', border=0, ln=0, align='', fill=0, link='')
Cell(w, h, fix_text_encoding(txt), border, ln, align, fill, link)
end
def RDMMultiCell(w, h=0, txt='', border=0, align='', fill=0, ln=1)
MultiCell(w, h, fix_text_encoding(txt), border, align, fill, ln)
end
def RDMwriteHTMLCell(w, h, x, y, html='', border=0, ln=1, fill=0)
writeHTMLCell(w, h, x, y, fix_text_encoding(html), border, ln, fill)
end
def Footer
SetFont(@font_for_footer, 'I', 8)
SetY(-15)
SetX(15)
RDMCell(0, 5, @footer_date, 0, 0, 'L')
SetY(-15)
SetX(-30)
RDMCell(0, 5, PageNo().to_s + '/{nb}', 0, 0, 'C')
end
end
# Returns a PDF string of a list of issues
def issues_to_pdf(issues, project, query)
pdf = ITCPDF.new(current_language)
title = query.new_record? ? l(:label_issue_plural) : query.name
title = "#{project} - #{title}" if project
pdf.SetTitle(title)
pdf.alias_nb_pages
pdf.footer_date = format_date(Date.today)
pdf.SetAutoPageBreak(false)
pdf.AddPage("L")
# Landscape A4 = 210 x 297 mm
page_height = 210
page_width = 297
right_margin = 10
bottom_margin = 20
col_id_width = 10
row_height = 5
# column widths
table_width = page_width - right_margin - 10 # fixed left margin
col_width = []
unless query.columns.empty?
col_width = query.columns.collect do |c|
(c.name == :subject || (c.is_a?(QueryCustomFieldColumn) && ['string', 'text'].include?(c.custom_field.field_format)))? 4.0 : 1.0
end
ratio = (table_width - col_id_width) / col_width.inject(0) {|s,w| s += w}
col_width = col_width.collect {|w| w * ratio}
end
# title
pdf.SetFontStyle('B',11)
pdf.RDMCell(190,10, title)
pdf.Ln
# headers
pdf.SetFontStyle('B',8)
pdf.SetFillColor(230, 230, 230)
# render it background to find the max height used
base_x = pdf.GetX
base_y = pdf.GetY
max_height = issues_to_pdf_write_cells(pdf, query.columns, col_width, row_height, true)
pdf.Rect(base_x, base_y, table_width, max_height, 'FD');
pdf.SetXY(base_x, base_y);
# write the cells on page
pdf.RDMCell(col_id_width, row_height, "#", "T", 0, 'C', 1)
issues_to_pdf_write_cells(pdf, query.columns, col_width, row_height, true)
issues_to_pdf_draw_borders(pdf, base_x, base_y, base_y + max_height, col_id_width, col_width)
pdf.SetY(base_y + max_height);
# rows
pdf.SetFontStyle('',8)
pdf.SetFillColor(255, 255, 255)
previous_group = false
issues.each do |issue|
if query.grouped? &&
(group = query.group_by_column.value(issue)) != previous_group
pdf.SetFontStyle('B',9)
pdf.RDMCell(277, row_height,
(group.blank? ? 'None' : group.to_s) + " (#{query.issue_count_by_group[group]})",
1, 1, 'L')
pdf.SetFontStyle('',8)
previous_group = group
end
# fetch all the row values
col_values = query.columns.collect do |column|
s = if column.is_a?(QueryCustomFieldColumn)
cv = issue.custom_values.detect {|v| v.custom_field_id == column.custom_field.id}
show_value(cv)
else
value = issue.send(column.name)
if value.is_a?(Date)
format_date(value)
elsif value.is_a?(Time)
format_time(value)
else
value
end
end
s.to_s
end
# render it off-page to find the max height used
base_x = pdf.GetX
base_y = pdf.GetY
pdf.SetY(2 * page_height)
max_height = issues_to_pdf_write_cells(pdf, col_values, col_width, row_height)
pdf.SetXY(base_x, base_y)
# make new page if it doesn't fit on the current one
space_left = page_height - base_y - bottom_margin
if max_height > space_left
pdf.AddPage("L")
base_x = pdf.GetX
base_y = pdf.GetY
end
# write the cells on page
pdf.RDMCell(col_id_width, row_height, issue.id.to_s, "T", 0, 'C', 1)
issues_to_pdf_write_cells(pdf, col_values, col_width, row_height)
issues_to_pdf_draw_borders(pdf, base_x, base_y, base_y + max_height, col_id_width, col_width)
pdf.SetY(base_y + max_height);
end
if issues.size == Setting.issues_export_limit.to_i
pdf.SetFontStyle('B',10)
pdf.RDMCell(0, row_height, '...')
end
pdf.Output
end
# Renders MultiCells and returns the maximum height used
def issues_to_pdf_write_cells(pdf, col_values, col_widths,
row_height, head=false)
base_y = pdf.GetY
max_height = row_height
col_values.each_with_index do |column, i|
col_x = pdf.GetX
if head == true
pdf.RDMMultiCell(col_widths[i], row_height, column.caption, "T", 'L', 1)
else
pdf.RDMMultiCell(col_widths[i], row_height, column, "T", 'L', 1)
end
max_height = (pdf.GetY - base_y) if (pdf.GetY - base_y) > max_height
pdf.SetXY(col_x + col_widths[i], base_y);
end
return max_height
end
# Draw lines to close the row (MultiCell border drawing in not uniform)
def issues_to_pdf_draw_borders(pdf, top_x, top_y, lower_y,
id_width, col_widths)
col_x = top_x + id_width
pdf.Line(col_x, top_y, col_x, lower_y) # id right border
col_widths.each do |width|
col_x += width
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)
pdf = ITCPDF.new(current_language)
pdf.SetTitle("#{issue.project} - ##{issue.tracker} #{issue.id}")
pdf.alias_nb_pages
pdf.footer_date = format_date(Date.today)
pdf.AddPage
pdf.SetFontStyle('B',11)
pdf.RDMMultiCell(190,5,
"#{issue.project} - #{issue.tracker} # #{issue.id}: #{issue.subject}")
pdf.Ln
pdf.SetFontStyle('B',9)
pdf.RDMCell(35,5, l(:field_status) + ":","LT")
pdf.SetFontStyle('',9)
pdf.RDMCell(60,5, issue.status.to_s,"RT")
pdf.SetFontStyle('B',9)
pdf.RDMCell(35,5, l(:field_priority) + ":","LT")
pdf.SetFontStyle('',9)
pdf.RDMCell(60,5, issue.priority.to_s,"RT")
pdf.Ln
pdf.SetFontStyle('B',9)
pdf.RDMCell(35,5, l(:field_author) + ":","L")
pdf.SetFontStyle('',9)
pdf.RDMCell(60,5, issue.author.to_s,"R")
pdf.SetFontStyle('B',9)
pdf.RDMCell(35,5, l(:field_category) + ":","L")
pdf.SetFontStyle('',9)
pdf.RDMCell(60,5, issue.category.to_s,"R")
pdf.Ln
pdf.SetFontStyle('B',9)
pdf.RDMCell(35,5, l(:field_created_on) + ":","L")
pdf.SetFontStyle('',9)
pdf.RDMCell(60,5, format_date(issue.created_on),"R")
pdf.SetFontStyle('B',9)
pdf.RDMCell(35,5, l(:field_assigned_to) + ":","L")
pdf.SetFontStyle('',9)
pdf.RDMCell(60,5, issue.assigned_to.to_s,"R")
pdf.Ln
pdf.SetFontStyle('B',9)
pdf.RDMCell(35,5, l(:field_updated_on) + ":","LB")
pdf.SetFontStyle('',9)
pdf.RDMCell(60,5, format_date(issue.updated_on),"RB")
pdf.SetFontStyle('B',9)
pdf.RDMCell(35,5, l(:field_due_date) + ":","LB")
pdf.SetFontStyle('',9)
pdf.RDMCell(60,5, format_date(issue.due_date),"RB")
pdf.Ln
for custom_value in issue.custom_field_values
pdf.SetFontStyle('B',9)
pdf.RDMCell(35,5, custom_value.custom_field.name + ":","L")
pdf.SetFontStyle('',9)
pdf.RDMMultiCell(155,5, (show_value custom_value),"R")
end
y0 = pdf.GetY
pdf.SetFontStyle('B',9)
pdf.RDMCell(35,5, l(:field_subject) + ":","LT")
pdf.SetFontStyle('',9)
pdf.RDMMultiCell(155,5, issue.subject,"RT")
pdf.Line(pdf.GetX, y0, pdf.GetX, pdf.GetY)
pdf.SetFontStyle('B',9)
pdf.RDMCell(35+155, 5, l(:field_description), "LRT", 1)
pdf.SetFontStyle('',9)
pdf.RDMwriteHTMLCell(35+155, 5, 0, 0,
Redmine::WikiFormatting.to_html(
Setting.text_formatting, issue.description.to_s),"LRB")
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(190,5,0,0,
Redmine::WikiFormatting.to_html(
Setting.text_formatting, changeset.comments.to_s), "")
end
pdf.Ln
end
end
pdf.SetFontStyle('B',9)
pdf.RDMCell(190,5, l(:label_history), "B")
pdf.Ln
for journal in issue.journals.find(
:all, :include => [:user, :details],
:order => "#{Journal.table_name}.created_on ASC")
pdf.SetFontStyle('B',8)
pdf.RDMCell(190,5,
format_time(journal.created_on) + " - " + journal.user.name)
pdf.Ln
pdf.SetFontStyle('I',8)
for detail in journal.details
pdf.RDMMultiCell(190,5, "- " + show_detail(detail, true))
end
if journal.notes?
pdf.Ln unless journal.details.empty?
pdf.SetFontStyle('',8)
pdf.RDMwriteHTMLCell(190,5,0,0,
Redmine::WikiFormatting.to_html(
Setting.text_formatting, journal.notes.to_s), "")
end
pdf.Ln
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
class RDMPdfEncoding
include Redmine::I18n
def self.rdm_pdf_iconv(ic, txt)
txt ||= ''
if txt.respond_to?(:force_encoding)
txt.force_encoding('UTF-8')
if l(:general_pdf_encoding).upcase != 'UTF-8'
txt = txt.encode(l(:general_pdf_encoding), :invalid => :replace,
:undef => :replace, :replace => '?')
else
txt = Redmine::CodesetUtil.replace_invalid_utf8(txt)
end
txt.force_encoding('ASCII-8BIT')
elsif RUBY_PLATFORM == 'java'
begin
ic ||= Iconv.new(l(:general_pdf_encoding), 'UTF-8')
txt = ic.iconv(txt)
rescue
txt = txt.gsub(%r{[^\r\n\t\x20-\x7e]}, '?')
end
else
ic ||= Iconv.new(l(:general_pdf_encoding), 'UTF-8')
txtar = ""
begin
txtar += ic.iconv(txt)
rescue Iconv::IllegalSequence
txtar += $!.success
txt = '?' + $!.failed[1,$!.failed.length]
retry
rescue
txtar += $!.success
end
txt = txtar
end
txt
end
end
end
end
end