PDFForm.py 20.3 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
##############################################################################
#
# Copyright (c) 2005 Nexedi SARL and Contributors. All Rights Reserved.
#                    Jerome PERRIN <jerome@nexedi.com>
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsability of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# garantees and support are strongly adviced to contract a Free Software
# Service Company
#
# 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#
##############################################################################

from OFS.Image import File
from Products.PageTemplates.PageTemplateFile import PageTemplateFile
31
from Products.ERP5Type import PropertySheet, Permissions
32 33 34 35 36 37 38 39
from Products.PageTemplates.Expressions import getEngine
from Products.PageTemplates.TALES import SafeMapping

from urllib import quote
from Globals import InitializeClass, PersistentMapping, DTMLFile
from AccessControl import ClassSecurityInfo
from AccessControl.SecurityInfo import allow_class

40
from zLOG import LOG, PROBLEM
41 42 43 44 45

import types, popen2, os
from tempfile import mktemp

try:
Jérome Perrin's avatar
Jérome Perrin committed
46 47
  from webdav.Lockable import ResourceLockedError
  SUPPORTS_WEBDAV_LOCKS = 1
48
except ImportError:
Jérome Perrin's avatar
Jérome Perrin committed
49
  SUPPORTS_WEBDAV_LOCKS = 0
50 51 52 53

# FIXME: Programs linked against mandriva libgcj v 3.4.0 ave a strange
# issue that make them impossible to popen within zope.
# That's why we do not use the 'real' pdftk but a replacement program,
54 55
# pdftk-emulation available from nexedi's RPM repositories.
PDFTK_EXECUTABLE = "pdftk-emulation"
56 57

class PDFTk :
Jérome Perrin's avatar
Jérome Perrin committed
58 59 60 61 62 63 64 65 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
  """
  A class to wrapp calls to pdftk executable, found at
    http://www.accesspdf.com/pdftk/
  """
  def catPages(self, pdfFile, cat_option) :
    """ limit to a specific range of pages, like pdftk's cat option"""
    return self._getOutput(
      PDFTK_EXECUTABLE+
      " - cat %s output - "%cat_option, pdfFile)

  def dumpDataFields(self, pdfFile) :
    """ returns the output of pdftk dump_data_fields as dict """
    return self._parseDumpDataFields(self.dumpDataFieldsTxt(pdfFile))

  def fillFormWithDict(self, pdfFile, values) :
    """ fill the form with values in """
    return self.fillFormWithFDF(pdfFile, self._createFdf(values))

  def fillFormWithFDF(self, pdfFile, fdfFile) :
    """ fill the form of pdfFile with the FDF data fdfFile """
    pdfFormFileName = mktemp(suffix=".pdf")
    fdfFormFileName = mktemp(suffix=".fdf")

    if hasattr(pdfFile, "read") :
      pdfFile = pdfFile.read()
    tmpPdfFile = open(pdfFormFileName, "w")
    tmpPdfFile.write(pdfFile)
    tmpPdfFile.close()

    if hasattr(fdfFile, "read") :
      fdfFile = fdfFile.read()
    tmpFdfFile = open(fdfFormFileName, "w")
    tmpFdfFile.write(fdfFile)
    tmpFdfFile.close()
    
    out = self._getOutput(
          PDFTK_EXECUTABLE+
95
          " %s fill_form %s output - flattern "%(
Jérome Perrin's avatar
Jérome Perrin committed
96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164
          pdfFormFileName, fdfFormFileName))
    os.remove(fdfFormFileName)
    os.remove(pdfFormFileName)
    return out

  def dumpDataFieldsTxt(self, pdfFile) :
    """ returns the output of pdftk dump_data_fields as text,
      pdf file is either the file object or its content"""
    return self._getOutput(
            PDFTK_EXECUTABLE+" - dump_data_fields", pdfFile,
            assert_not_empty=0)

  def _parseDumpDataFields(self, data_fields_dump) :
    """ parses the output of pdftk X.pdf dump_data_fields and
        returns a sequence of dicts [{key = value}] """
    fields = []
    for txtfield in data_fields_dump.split("---") :
      field = {}
      for line in txtfield.splitlines() :
        if line.strip() == "" :
          continue
        splits = line.split(":", 1)
        if len(splits) == 2 :
          field[splits[0]] = splits[1].strip()
      if field != {} :
        fields += [field]
    return fields

  def _getOutput(self, command, input=None, assert_not_empty=1) :
    """ returns the output of command with sending input through command's
    input stream (if input parameter is given) """
    stdout, stdin = popen2.popen2(command)
    if input:
      if hasattr(input, "read") :
        input = input.read()
      try :
        stdin.write(input)
      except IOError, e:
        raise IOError, str(e) + " ( make sure "\
          "%s exists and is in your $PATH )"%PDFTK_EXECUTABLE
    stdin.close()
    ret = stdout.read()
    stdout.close()
    if assert_not_empty and len(ret) == 0 :
      raise IOError, "Got no output from external program, make sure"\
                   " %s exists and is in your $PATH"%PDFTK_EXECUTABLE
    return ret

  def _escapeString(self, value) :
    if value is None :
      return ""
    string = str(value)
    escaped  = ''
    for c in string :
      if (ord(c) == 0x28 or # open paren
          ord(c) == 0x29 or # close paren
          ord(c) == 0x5c):  # backslash
        escaped += '\\' + c
      elif ord(c) < 32 or 126 < ord(c):
        escaped += "\\%03o" % ord(c)
      else:
        escaped += c
    return escaped

  def _createFdf(self, values, pdfFormUrl=None) :
    """ create an fdf document with the dict values """
    fdf = "%FDF-1.2\x0d%\xe2\xe3\xcf\xd3\x0d\x0a"
    fdf += "1 0 obj\x0d<< \x0d/FDF << /Fields [ "
    for key, value in values.items():
165
      fdf += "<< /T (%s) /V (%s) /ClrF 2 /ClrFf 1 >> \x0d" % (
Jérome Perrin's avatar
Jérome Perrin committed
166 167 168 169 170 171 172 173 174 175 176 177
           self._escapeString(key),
           self._escapeString(value))

    fdf += "] \x0d"

    # the PDF form filename or URL, if any
    if pdfFormUrl not in ("", None) :
      fdf += "/F ("+self._escapeString(pdfFormUrl)+") \x0d"

    fdf += ">> \x0d>> \x0dendobj\x0d";
    fdf += "trailer\x0d<<\x0d/Root 1 0 R \x0d\x0d>>\x0d%%EOF\x0d\x0a"
    return fdf
178 179 180 181

# Constructors
manage_addPDFForm = DTMLFile("dtml/PDFForm_add", globals())
def addPDFForm(self, id, title="", pdf_file=None,  REQUEST=None):
Jérome Perrin's avatar
Jérome Perrin committed
182 183 184
  """ Add a pdf form to folder. """
  # add actual object
  id = self._setObject(id, PDFForm(id, title, pdf_file))
185

Jérome Perrin's avatar
Jérome Perrin committed
186 187 188 189
  # upload content
  if pdf_file:
    self._getOb(id).manage_upload(pdf_file)
    self._getOb(id).content_type="application/pdf"
190

Jérome Perrin's avatar
Jérome Perrin committed
191 192 193 194 195
  if REQUEST :
    u = REQUEST['URL1']
    if REQUEST['submit'] == " Add and Edit ":
      u = "%s/%s" % (u, quote(id))
    REQUEST.RESPONSE.redirect(u+'/manage_main')
196

197
class CalculatedValues :
Jérome Perrin's avatar
Jérome Perrin committed
198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223
  """
  This class holds a reference to calculated values, for use in TALES,
  because in PDF Form filling, there is lots of references to others cell
  values (sums ...). This class will be in TALES context under the key 'cell'

  It will make possible the use of TALES expressions like :
    cell/a95
    python: cell['a1'] + cell['a2']

  """
  security = ClassSecurityInfo()
  def __init__(self, values, key, not_founds) :
    """ 'values' are a dict of already calculated values
    'key' is the key we are evaluating
    'not_founds' is the list in which we will put not found values  """
    self.__values      = values
    self.__key         = key
    self.__not_founds  = not_founds
  def __getitem__(self, attr) :
    if not self.__values.has_key(attr) :
      self.__not_founds.append(attr)
      return 0 # We do not return None, so that cell['a1'] + cell['a2']
      # doesn't complain that NoneType doesn't support + when a1 not found
    return self.__values[attr]
  __getattr__ = __getitem__
  
224 225 226 227
allow_class(CalculatedValues)


class PDFForm(File):
Jérome Perrin's avatar
Jérome Perrin committed
228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271
  """
    This class allows to fill PDF Form with TALES expressions,
    using a TALES expression for each cell.
  """
  meta_type = "ERP5 PDF Form"
  icon = "www/PDFForm.png"

  # Declarative Security
  security = ClassSecurityInfo()

  # Declarative properties
  property_sheets = ( PropertySheet.Base
                    , PropertySheet.SimpleItem
                    )

  # Constructors
  constructors =   (manage_addPDFForm, addPDFForm)

  manage_options =  ( (
        {'label':'Edit Cell TALES', 'action':'manage_cells'},
        {'label':'Display Cell Names', 'action':'showCellNames'},
        {'label':'Test PDF generation', 'action':'generatePDF'},
        {'label':'View original', 'action':'viewOriginal'},
      ) +
      filter(lambda option:option['label'] != "View", File.manage_options)
  )

  pdftk = PDFTk()

  def __init__ (self, id, title, pdf_file) :
    # holds all the cell informations, even those not related to this form
    self.all_cells        = PersistentMapping()
    # holds the cells related to this pdf form
    self.cells            = PersistentMapping()
    # the page range we want to print
    self.__page_range__ = ""
    # the method to format values
    self.__format_method__ = ""

    if not pdf_file :
      raise ValueError ("The pdf form file should not be empty")
    # File constructor will call manage_upload, so we don't need to call it
    File.__init__(self, id, title, pdf_file)

272
  security.declareProtected(Permissions.ManagePortal, 'manage_upload')
Jérome Perrin's avatar
Jérome Perrin committed
273 274 275 276 277
  def manage_upload(self, file=None, REQUEST=None) :
    """ Zope calls this when the content of the enclosed file changes.
    The 'cells' attribute is updated, but already defined cells are not
    erased, they are saved in the 'all_cells' attribute so if the pdf
    file is reverted, you do not loose the cells definitions.
278
    """
Jérome Perrin's avatar
Jérome Perrin committed
279 280 281 282 283
    if not file or not hasattr(file, "read") :
      raise ValueError ("The pdf form file should not be empty")

    file.seek(0) # file is always valid here
    values = self.pdftk.dumpDataFields(file)
284
    self.cells = {}
Jérome Perrin's avatar
Jérome Perrin committed
285 286 287 288 289 290 291 292 293 294 295 296 297 298
    for v in values :
      if v["FieldType"] != "Button" :
        k = v["FieldName"]
        if not self.all_cells.has_key(k) :
          self.cells[k] = ""
        else :
          self.cells[k] = self.all_cells[k]
    self.all_cells.update(self.cells)
    file.seek(0)
    File.manage_upload(self, file, REQUEST)
    if REQUEST:
      message = "Saved changes."
      return self.manage_main(self, REQUEST, manage_tabs_message=message)

299
  security.declareProtected(Permissions.ViewManagementScreens, 'manage_cells')
Jérome Perrin's avatar
Jérome Perrin committed
300 301 302
  manage_cells = PageTemplateFile('www/PDFForm_manageCells',
                                   globals(), __name__='manage_cells')

303
  security.declareProtected(Permissions.View, 'manage_FTPget')
304
  def manage_FTPget(self, REQUEST=None, RESPONSE=None) :
Jérome Perrin's avatar
Jérome Perrin committed
305 306 307 308 309 310 311
    """ get this pdf form via webDAV/FTP, it returns an XML
    representation of all the fields, then the pdf itself."""
    from xml.dom.minidom import getDOMImplementation
    impl = getDOMImplementation()
    newdoc = impl.createDocument(None, "pdfform", None)
    top_element = newdoc.documentElement
    cells = newdoc.createElement('cells')
312 313 314
    pdfform_cell_list = self.cells.keys()
    pdfform_cell_list.sort()
    for cell in pdfform_cell_list :
Jérome Perrin's avatar
Jérome Perrin committed
315 316 317 318 319 320 321
      cell_node = newdoc.createElement('cell')
      cell_node.setAttribute('name', cell)
      tales = newdoc.createTextNode(self.cells[cell])
      cell_node.appendChild(tales)
      cells.appendChild(cell_node)

    top_element.appendChild(cells)
Jérome Perrin's avatar
Jérome Perrin committed
322 323 324 325 326
    pdf_data = newdoc.createElement('pdf_data')
    pdf_content = newdoc.createTextNode(str(self.data))
    pdf_data.appendChild(pdf_content)
    top_element.appendChild(pdf_data)
    content = newdoc.toprettyxml('  ')
327 328 329 330 331
    if RESPONSE :
      RESPONSE.setHeader('Content-Type', 'application/x-erp5-pdfform')
      RESPONSE.setHeader('Content-Length', len(content))
      RESPONSE.write(content)
    return content
Jérome Perrin's avatar
Jérome Perrin committed
332 333
  manage_DAVget = manage_FTPget
  
334
  security.declareProtected(Permissions.ManagePortal, 'PUT')
Jérome Perrin's avatar
Jérome Perrin committed
335 336 337 338 339 340
  def PUT(self, REQUEST, RESPONSE):
    """(does not) Handle HTTP PUT requests."""
    RESPONSE.setStatus(501)
    return RESPONSE
  manage_FTPput = PUT

341
  security.declareProtected(Permissions.View, 'viewOriginal')
Jérome Perrin's avatar
Jérome Perrin committed
342 343 344 345 346 347 348 349
  def viewOriginal(self, REQUEST=None, RESPONSE=None, *args, **kwargs) :
    """ publish original pdf """
    pdf = File.index_html(self, REQUEST, RESPONSE, *args, **kwargs)
    RESPONSE.setHeader('Content-Type', 'application/pdf')
    RESPONSE.setHeader('Content-Disposition', 'inline;filename="%s.pdf"'
        % (self.title_or_id()))
    return pdf

350
  security.declareProtected(Permissions.View, 'showCellNames')
Jérome Perrin's avatar
Jérome Perrin committed
351 352 353
  def showCellNames(self, REQUEST=None, RESPONSE=None, *args, **kwargs) :
    """ generates a pdf with fields filled-in by their names,
     usefull to fill in settings.
354
    """
Jérome Perrin's avatar
Jérome Perrin committed
355 356 357 358 359 360 361 362 363 364 365 366
    values = {}
    for cell in self.cells.keys() :
      values[cell] = cell
    pdf = self.pdftk.fillFormWithDict(str(self.data), values)
    if RESPONSE :
      RESPONSE.setHeader('Content-Type', 'application/pdf')
      RESPONSE.setHeader('Content-Length', len(pdf))
      RESPONSE.setHeader('Content-Disposition',
                         'inline;filename="%s.template.pdf"' % (
                              self.title_or_id()))
    return pdf

367
  security.declareProtected(Permissions.ManagePortal, 'doEditCells')
Jérome Perrin's avatar
Jérome Perrin committed
368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383
  def doEditCells(self, REQUEST):
    """ This is the action to the 'Edit Cell TALES' tab. """
    if SUPPORTS_WEBDAV_LOCKS and self.wl_isLocked():
      raise ResourceLockedError, "File is locked via WebDAV"

    for k, v in self.cells.items() :
      self.setCellTALES(k, REQUEST.get(str(k), v))
    self.__format_method__ = REQUEST.get("__format_method__")
    self.__page_range__ = REQUEST.get("__page_range__")

    message = "Saved changes."
    if getattr(self, '_v_warnings', None):
      message = ("<strong>Warning:</strong> <i>%s</i>"
                % '<br>'.join(self._v_warnings))
    return self.manage_cells(manage_tabs_message=message)

384
  security.declareProtected(Permissions.View, 'generatePDF')
Jérome Perrin's avatar
Jérome Perrin committed
385 386 387
  def generatePDF(self, REQUEST=None, RESPONSE=None, *args, **kwargs) :
    """ generates the PDF with form filled in """
    values = self.calculateCellValues(REQUEST, *args, **kwargs)
388 389 390
    context = { 'here' : self.aq_parent,
                'context' : self.aq_parent,
                'request' : REQUEST }
Jérome Perrin's avatar
Jérome Perrin committed
391 392 393 394 395 396 397 398 399 400 401
    if hasattr(self, "__format_method__") \
            and self.__format_method__ not in ('', None) :
      compiled_tales = getEngine().compile(self.__format_method__)
      format_method = getEngine().getContext(context).evaluate(compiled_tales)
      # try to support both method name and method object
      if not callable(format_method) :
        format_method = self.restrictedTraverse(format_method)
      if callable(format_method) :
        for k, v in values.items() :
          values[k] = format_method(v, cell_name=k)
      else :
Jérome Perrin's avatar
Jérome Perrin committed
402 403
        LOG("PDFForm", PROBLEM,
            'format method (%r) is not callable' % format_method)
Jérome Perrin's avatar
Jérome Perrin committed
404
    data = str(self.data)
405
    pdf = self.pdftk.fillFormWithDict(data, values)
Jérome Perrin's avatar
Jérome Perrin committed
406 407 408 409
    if self.__page_range__ not in ('', None) :
      compiled_tales = getEngine().compile(self.__page_range__)
      page_range = getEngine().getContext(context).evaluate(compiled_tales)
      if page_range :
410
        pdf = self.pdftk.catPages(pdf, page_range)
Jérome Perrin's avatar
Jérome Perrin committed
411 412 413 414
    if RESPONSE :
      RESPONSE.setHeader('Content-Type', 'application/pdf')
      RESPONSE.setHeader('Content-Length', len(pdf))
      RESPONSE.setHeader('Content-Disposition', 'inline;filename="%s.pdf"'
415
            % (self.title_or_id()))
Jérome Perrin's avatar
Jérome Perrin committed
416 417 418 419
    return pdf
  index_html = generatePDF
  __call__ = generatePDF

420
  security.declareProtected(Permissions.View, 'calculateCellValues')
Jérome Perrin's avatar
Jérome Perrin committed
421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456
  def calculateCellValues(self, REQUEST=None, *args, **kwargs) :
    """ returns a dict of cell values """
    # values to be returned
    values = {}
    # list of values that need to be reevaluated (i.e. they depend on the
    # value of a cell that was not already evaluated when evaluating them )
    uncalculated_values = []
    for cell_name in self.cells.keys() :
      not_founds = []
      value = self.evaluateCell(cell_name, REQUEST = REQUEST,
              cell = SafeMapping(CalculatedValues(
                                      values, cell_name, not_founds)))
      if len(not_founds) != 0 :
        uncalculated_values.append(cell_name)
      else :
        values[cell_name] = value
    # now we iterate on the list of uncalculated values, trying
    # to evaluate them again, if an iteration doesn't decrement
    # the length of this list, there are some circular references
    # and we cannot continue.
    while 1 :
      uncalculated_values_len = len(uncalculated_values)
      if uncalculated_values_len == 0 :
        return values
      for cell_name in uncalculated_values :
        not_founds = []
        value = self.evaluateCell(cell_name, REQUEST = REQUEST,
                cell = SafeMapping(CalculatedValues(
                                      values, cell_name, not_founds)))
        if len(not_founds) == 0 :
          uncalculated_values.remove(cell_name)
          values[cell_name] = value
      if len(uncalculated_values) == uncalculated_values_len :
        raise ValueError, "Circular reference: unable to evaluate cells " \
              + `uncalculated_values`

457
  security.declareProtected(Permissions.View, 'getCellNames')
Jérome Perrin's avatar
Jérome Perrin committed
458 459 460 461 462 463
  def getCellNames(self, REQUEST=None) :
    """ returns a list of cell names """
    names = self.cells.keys()
    names.sort()
    return names

464 465 466 467 468 469 470 471
  security.declareProtected(Permissions.ManagePortal, 'deleteCell')
  def deleteCell(self, cell_name):
    """ Delete a cell. 
    As setCellTALES add the cell if it is not present, we must have a
    way to remove cells created by mistake. """
    del self.all_cells[cell_name]
    del self.cells[cell_name]
  
472
  security.declareProtected(Permissions.ManagePortal, 'setCellTALES')
Jérome Perrin's avatar
Jérome Perrin committed
473 474 475 476
  def setCellTALES(self, cell_name, TALES):
    """ changes the TALES expression that will be used to evaluate
    cell value """
    if type(TALES) != types.StringType :
477
      LOG("PDFForm", PROBLEM,
Jérome Perrin's avatar
Jérome Perrin committed
478 479 480 481
         'TALES is not a string for cell "%s", it is = "%s"'
          %(cell_name, `TALES`))
      raise ValueError, 'TALES must be a string'
    self.all_cells[str(cell_name)] = self.cells[str(cell_name)] = TALES
482 483 484
    # invalidate for persistence
    self.all_cells = self.all_cells
    
485
  security.declareProtected(Permissions.View, 'getCellTALES')
Jérome Perrin's avatar
Jérome Perrin committed
486 487 488 489
  def getCellTALES(self, cell_name):
    """ returns the TALES expression associated with this cell """
    return self.cells[str(cell_name)]

490
  security.declareProtected(Permissions.View, 'evaluateCell')
Jérome Perrin's avatar
Jérome Perrin committed
491 492 493 494 495 496 497
  def evaluateCell(self, cell_name, REQUEST=None, **kwargs):
    """ evaluate the TALES expression for this cell """
    cell_name = str(cell_name)
    # we don't pass empty strings in TALES engine
    # (and this also raises the KeyError for non existant cells)
    if not self.cells[cell_name] :
      return None
Jérome Perrin's avatar
Jérome Perrin committed
498 499 500
    context = { 'here' : self.aq_parent,
                'context' : self.aq_parent,
                'request' : REQUEST }
Jérome Perrin's avatar
Jérome Perrin committed
501
    context.update (kwargs)
502 503 504 505 506 507
    try :
      compiled_tales = getEngine().compile(self.cells[cell_name])
      value = getEngine().getContext(context).evaluate(compiled_tales)
      return value
    except Exception, e :
      raise e.__class__, "Exception in %s :\n %s"%(cell_name, e)
Jérome Perrin's avatar
Jérome Perrin committed
508

509
  security.declareProtected(Permissions.ManagePortal, 'setAllCellTALES')
Jérome Perrin's avatar
Jérome Perrin committed
510 511 512 513 514
  def setAllCellTALES(self, new_cells) :
    """ set all cell values from a dict containing { name: TALES } """
    for cell_name, cell_TALES in new_cells.items() :
      self.setCellTALES(cell_name, cell_TALES)

515
  security.declareProtected(Permissions.View, 'getFormatMethodTALES')
Jérome Perrin's avatar
Jérome Perrin committed
516 517 518 519 520 521 522
  def getFormatMethodTALES(self):
    """ returns the TALES expression for the format method attribute """
    # backward compat
    if not hasattr(self, "__format_method__") :
      self.__format_method__ = ""
    return self.__format_method__

523
  security.declareProtected(Permissions.ManagePortal, 'setFormatMethodTALES')
Jérome Perrin's avatar
Jérome Perrin committed
524 525 526 527
  def setFormatMethodTALES(self, TALES):
    """ sets TALES expression for the format method attribute """
    self.__format_method__ = str(TALES)

528
  security.declareProtected(Permissions.View, 'getPageRangeTALES')
Jérome Perrin's avatar
Jérome Perrin committed
529 530 531 532
  def getPageRangeTALES(self):
    """ returns the TALES expression for the page range attribute """
    return self.__page_range__

533
  security.declareProtected(Permissions.ManagePortal, 'setPageRangeTALES')
Jérome Perrin's avatar
Jérome Perrin committed
534 535 536
  def setPageRangeTALES(self, TALES):
    """ sets TALES expression for the page range attribute """
    self.__page_range__ = str(TALES)
537

538 539
InitializeClass(PDFForm)