Class: OpenPrint

Inherits:
Object show all
Defined in:
lib/qooxview/helpers/open_print.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file, dir = nil) ⇒ OpenPrint

Returns a new instance of OpenPrint.



13
14
15
16
17
18
19
 
# File 'lib/qooxview/helpers/open_print.rb', line 13

def initialize(file, dir = nil)
  @file = file
  @dir = dir
  @base = File.basename file
  @lp_cmd = nil
  @counter = 0
end

Instance Attribute Details

#file ⇒ Object

Returns the value of attribute file.



11
12
13
 
# File 'lib/qooxview/helpers/open_print.rb', line 11

def file
  @file
end

#lp_cmd ⇒ Object

Returns the value of attribute lp_cmd.



11
12
13
 
# File 'lib/qooxview/helpers/open_print.rb', line 11

def lp_cmd
  @lp_cmd
end

Class Method Details

.pdf_join(files, outfile) ⇒ Object

Input: 1..n files Output: one PDF-file



144
145
146
147
 
# File 'lib/qooxview/helpers/open_print.rb', line 144

def self.pdf_join(files, outfile)
  files.class == Array or files = [files]
  System.run_bool "pdfjam --quiet --landscape --outfile #{outfile} #{files.join(' ')}"
end

.pdf_nup_duplex(files, base = nil) ⇒ Object

Input: 1..n files with 2 pages, front and back Output: one 2x2-nup PDF front

one 2x2-nup PDF back
to be printed "long edge duplex"



116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
 
# File 'lib/qooxview/helpers/open_print.rb', line 116

def self.pdf_nup_duplex(files, base = nil)
  Dir.mktmpdir { |dir|
    files.class == Array or files = [files]
    allpages = "#{dir}/allpages.pdf"
    cmd = "pdfjam --quiet --landscape --outfile #{allpages} " +
        files.join(" '1,2' ") + " '1,2,{},{}' "
    dputs(3) { "Running allpages-command #{cmd}" }
    %x[ #{cmd} ]

    pages_all = ((files.count + 1) & ~1).times
    documents = {:front => pages_all.collect { |i| (i ^ 1) * 2 + 1 }.join(','),
                 :back => pages_all.collect { |i| i * 2 + 2 }.join(',')}

    base ||= File.basename files.first, '.pdf'
    documents.collect { |suffix, pages|
      pages_file = "/tmp/#{base}-#{suffix}.pdf"
      cmd = 'pdfnup --quiet --landscape --nup 2x2 ' +
          "#{allpages} #{pages} --outfile #{pages_file}"

      dputs(3) { "Running pdfnup-command #{cmd}" }
      %x[ #{cmd} ]
      pages_file
    }
  }
end

.replace(doc, fields) ⇒ Object 



55
56
57
58
59
60
61
62
63
64
 
# File 'lib/qooxview/helpers/open_print.rb', line 55

def self.replace(doc, fields)
  fields.each { |old, new|
    doc.gsub!(old, new.to_s)
    # For every -TAG- there can be a _TAG_ which is replaced with the
    # uppercase-version of 'new'
    old_up = old.inspect.sub(/^.-(.*)-.$/, '_\1_')
    doc.gsub!(old_up, new.to_s.upcase)
  }
  doc
end

Instance Method Details

#get_content ⇒ Object 



37
38
39
40
41
42
 
# File 'lib/qooxview/helpers/open_print.rb', line 37

def get_content
  return unless File.exists? @file
  Zip::File.open(@file) { |z|
    z.read('content.xml').force_encoding(Encoding::UTF_8)
  }
end

#make_pdf(fields = [], counter = nil, name = nil) ⇒ Object 



66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
 
# File 'lib/qooxview/helpers/open_print.rb', line 66

def make_pdf(fields = [], counter = nil, name = nil)
  dputs(3) { "New print for -#{@file.inspect}-" }
  if name
    tmp_file = "/tmp/#{replace_accents(name)}.#{@base.sub(/.*\./, '')}"
  else
    counter ||= @counter
    tmp_file = "/tmp/#{counter}-#{@base}"
    @counter += 1
  end
  pdf_file = tmp_file.sub(/[^\.]*$/, 'pdf')
  dputs(3) { "Copying to -#{tmp_file.inspect}-" }

  FileUtils::cp(@file, tmp_file)
  Zip::File.open(tmp_file) { |z|
    doc = z.read('content.xml').force_encoding(Encoding::UTF_8)
    OpenPrint.replace(doc, fields)
    # Replace dates that need to be calculated with a '_'
    doc.gsub!(/(table:formula=[^<>]*date-value=").*?"/, '\1_\2"')
    z.get_output_stream('content.xml') { |f|
      f.write(doc)
    }
    z.commit
  }

  if ConfigBase.openprint_simul == %w(false)
    Docsplit.extract_pdf tmp_file, :output => '/tmp'
    #FileUtils::cp( tmp_file, pdf_file )
    dputs(5) { 'Finished docsplit' }
  else
    FileUtils::cp(tmp_file, pdf_file)
  end
  @dir and FileUtils::cp(pdf_file, @dir)
  pdf_file
end

#print(fields = [], counter = nil, name = nil) ⇒ Object 



101
102
103
104
 
# File 'lib/qooxview/helpers/open_print.rb', line 101

def print(fields = [], counter = nil, name = nil)
  file = make_pdf(fields, counter, name)
  print_file(file)
end

#print_file(pdf_file) ⇒ Object 



44
45
46
47
48
49
50
51
52
53
 
# File 'lib/qooxview/helpers/open_print.rb', line 44

def print_file(pdf_file)
  if @lp_cmd
    dputs(2) { "Printing with --#{@lp_cmd} #{pdf_file}--" }
    System.run_bool("#{@lp_cmd} #{pdf_file}")
    return true
  else
    # Download PDF
    return "#{pdf_file}"
  end
end

#print_hash(fields, counter = nil, name = nil) ⇒ Object 



33
34
35
 
# File 'lib/qooxview/helpers/open_print.rb', line 33

def print_hash(fields, counter = nil, name = nil)
  print(fields.collect { |k, v| [/--#{k}--/, v] }, counter, name)
end

#print_join(files, outfile = nil) ⇒ Object 



106
107
108
109
110
 
# File 'lib/qooxview/helpers/open_print.rb', line 106

def print_join(files, outfile = nil)
  outfile ||= files.first.sub(/.pdf$/, '-joined.pdf')
  OpenPrint.pdf_join(files, outfile)
  print_file(outfile)
end

#replace_accents(str) ⇒ Object 



21
22
23
24
25
26
27
28
29
30
31
 
# File 'lib/qooxview/helpers/open_print.rb', line 21

def replace_accents(str)
  str = str.downcase.gsub(/ /, '_')
  accents = Hash[*%w( a àáâä e éèêë i ìíîï o òóôöœ u ùúûü c ç ss ß )]
  dputs(4) { "str was #{str}" }
  accents.each { |k, v|
    str.gsub!(/[#{v}]/, k)
  }
  str.gsub!(/[^a-z0-9_-]/, '_')
  dputs(4) { "str is #{str}" }
  str
end