#!/usr/bin/python
# -*- coding: utf-8 -*-

# (c) 2006 Simon Budig

import sys, os, cgi, string, re, reportlab.pdfgen.canvas

cm = 72 / 2.54

def draw_graphics (canvas, rn, fb, fg, txt):
   # Setup...
   # etwas kleiner als A4.
   canvas.setPageSize ((19*cm, 27.7*cm))
   canvas.setDash (())
   canvas.setLineCap (0)
   canvas.setStrokeColor ((0, 0, 0))
   canvas.setLineWidth (0.5)
   canvas.setLineJoin (0)

   # ok, das Schild etwas hin- und herschubsen, damit
   # es ohne Umstände auf A4 ausgedruckt werden kann.
   canvas.translate (595, 0)
   canvas.rotate (90)
   canvas.translate (-32, 5)

   line = canvas.beginPath ()
   line.moveTo (142, 170)
   line.lineTo (142, 135)
   line.moveTo (127, 185)
   line.lineTo (92, 185)

   line.moveTo (709, 170)
   line.lineTo (709, 135)
   line.moveTo (724, 185)
   line.lineTo (759, 185)

   line.moveTo (142, 470)
   line.lineTo (142, 505)
   line.moveTo (127, 455)
   line.lineTo (92, 455)

   line.moveTo (709, 470)
   line.lineTo (709, 505)
   line.moveTo (724, 455)
   line.lineTo (759, 455)
   canvas.drawPath (line, True, False)

   # Raumnummer

   if rn:
      canvas.setFillColor ((0, 0, 0))
      canvas.setFont ('Helvetica', 36)
      canvas.drawCentredString (264, 384, rn)

   canvas.setLineWidth (2.835)
   canvas.rect (174, 369, 180, 56)

   # Fachbereich, Fachgruppe

   if fb:
      canvas.setFillColor ((0.255, 0.412, 0.882))
      canvas.setFont ('Helvetica-Oblique', 36)
      canvas.drawString (378, 384, fb)


   if fg:
      num_lines = len (fg)
      canvas.setFillColor ((0,0,0))
      if num_lines == 1:
         canvas.setFont ('Helvetica', 16)
         canvas.drawRightString (678, 384, fg[0])
      else:
         canvas.setFont ('Helvetica', 15)
         canvas.drawRightString (678, 400, fg[0])
         canvas.drawRightString (678, 382, fg[1])
      

   canvas.setStrokeColor ((0.255, 0.412, 0.882))
   line = canvas.beginPath ()
   line.moveTo (369, 369)
   line.lineTo (680, 369)
   canvas.drawPath (line, True, True)


   # Textzeilen

   if txt:
      num_lines = len (txt)
      canvas.setFillColor ((0, 0, 0))
      canvas.setFont ('Helvetica', 30)
      if num_lines == 1:
         canvas.drawString (188, 298, txt[0])
      elif num_lines == 2:
         canvas.drawString (188, 313, txt[0])
         canvas.drawString (188, 265, txt[1])
      else:
         canvas.setFont ('Helvetica', 25)
         canvas.drawString (188, 326, txt[0])
         canvas.drawString (188, 286, txt[1])
         canvas.drawString (188, 246, txt[2])


   # Footer

   canvas.setStrokeColor ((0.000, 0.000, 0.000))
   canvas.setLineWidth (1)
   line = canvas.beginPath ()
   line.moveTo (174, 212)
   line.lineTo (479, 212)
   canvas.drawPath (line, True, False)

   canvas.setFillColor ((0,0,0))
   canvas.setFont ('Helvetica-Bold', 14)
   canvas.drawString (490, 212, 'UNIVERSITÄT SIEGEN')

   # Uni-U
   logo = canvas.beginPath ()
   logo.moveTo (667.782, 210.421)
   logo.curveTo (667.782, 210.290, 667.782, 208.732, 667.782, 208.732)
   logo.curveTo (667.782, 208.732, 678.160, 208.732, 678.160, 208.732)
   logo.curveTo (678.160, 208.732, 678.160, 226.815, 678.160, 226.815)
   logo.curveTo (678.160, 226.815, 680.315, 225.248, 680.315, 225.248)
   logo.curveTo (680.315, 225.248, 680.315, 229.556, 680.315, 229.556)
   logo.curveTo (680.315, 229.556, 672.873, 235.562, 672.873, 235.562)
   logo.curveTo (672.873, 235.562, 665.692, 229.556, 665.692, 229.556)
   logo.curveTo (665.692, 229.556, 665.692, 225.248, 665.692, 225.248)
   logo.curveTo (665.692, 225.248, 667.782, 226.815, 667.782, 226.815)
   logo.curveTo (667.782, 226.815, 667.782, 216.174, 667.782, 216.174)
   logo.curveTo (667.782, 215.097, 666.480, 214.020, 665.235, 214.020)
   logo.curveTo (663.991, 214.020, 662.494, 214.786, 662.494, 216.174)
   logo.curveTo (662.494, 216.174, 662.494, 226.815, 662.494, 226.815)
   logo.curveTo (662.494, 226.815, 651.787, 226.815, 651.787, 226.815)
   logo.curveTo (651.787, 226.815, 651.787, 218.002, 651.787, 216.500)
   logo.curveTo (651.787, 212.213, 656.204, 208.732, 661.645, 208.732)
   logo.curveTo (663.939, 208.732, 666.106, 209.384, 667.782, 210.421)
   logo.close ()
   canvas.drawPath (logo, False, True)


if __name__ == '__main__':

   if os.environ.has_key ("QUERY_STRING"):
      sys.stderr = sys.stdout
      outfile = sys.stdout
   else:
      os.environ["QUERY_STRING"] = "rn=A-8103&fb=FB+12&fg=Programmiersprachen&txt=Wiss.+Mitarbeiter%0aDipl.-Math.+Simon+Budig"
      outfile = None

   items = cgi.FieldStorage()

   raumnummer = ""
   fachbereich = ""
   fachgruppe = ""
   haupttext = ""

   if items.has_key ("rn"):
      raumnummer = str (items["rn"].value)
   if items.has_key ("fb"):
      fachbereich = str (items["fb"].value)

   if items.has_key ("fg"):
      fachgruppe = filter (None, map (string.strip,
                                      string.split (str (items["fg"].value),
                                                    "\n")))
   if items.has_key ("txt"):
      haupttext = filter (None, map (string.strip,
                                     string.split (str (items["txt"].value),
                                                   "\n")))

   filename = string.join (["tuerschild"] +
                           re.findall ("[a-zA-Z0-9]+", raumnummer), "-")

   if outfile:
      print "Content-Type: application/pdf"
      print "Content-Disposition: attachment; filename=\"%s.pdf\"\n" % filename
   else:
      outfile = file (filename + ".pdf", "w")

   canvas = reportlab.pdfgen.canvas.Canvas (outfile)
   draw_graphics (canvas, raumnummer, fachbereich, fachgruppe, haupttext)
   canvas.showPage ()
   canvas.save ()