############################################################################## # # Copyright (c) 2002 Nexedi SARL and Contributors. All Rights Reserved. # Jean-Paul Smets-Solanes <jp@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 Products.CMFCore.utils import getToolByName from Products.CMFCore.FSPageTemplate import FSPageTemplate from Products.CMFCore.DirectoryView import registerFileExtension, registerMetaType from Products.Formulator.Form import BasicForm from Products.Formulator.Form import fields from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate from Products.PageTemplates.PageTemplateFile import PageTemplateFile from Products.ERP5Type import PropertySheet from urllib import quote from Products.ERP5Type.Globals import InitializeClass, PersistentMapping, DTMLFile, get_request from AccessControl import Unauthorized, getSecurityManager, ClassSecurityInfo import urllib2 from ZODB.POSException import ConflictError from Products.ERP5Type.Utils import UpperCase from zLOG import LOG try: from webdav.Lockable import ResourceLockedError from webdav.WriteLockInterface import WriteLockInterface SUPPORTS_WEBDAV_LOCKS = 1 except ImportError: SUPPORTS_WEBDAV_LOCKS = 0 # Constructors manage_addPDFTemplate = DTMLFile("dtml/PDFTemplate_add", globals()) def addPDFTemplate(self, id, title="", REQUEST=None): """Add form to folder. id -- the id of the new form to add title -- the title of the form to add Result -- empty string """ # add actual object id = self._setObject(id, PDFTemplate(id, title)) # respond to the add_and_edit button if necessary add_and_edit(self, id, REQUEST) return '' def add_and_edit(self, id, REQUEST): """Helper method to point to the object's management screen if 'Add and Edit' button is pressed. id -- id of the object we just added """ if REQUEST is None: return try: u = self.DestinationURL() except AttributeError: u = REQUEST['URL1'] if REQUEST['submit'] == " Add and Edit ": u = "%s/%s" % (u, quote(id)) REQUEST.RESPONSE.redirect(u+'/manage_main') class PDFTemplate(ZopePageTemplate): """ A Formulator form with a built-in rendering parameter based on page templates or DTML. """ meta_type = "ERP5 PDF Template" icon = "www/PDF.png" # Declarative Security security = ClassSecurityInfo() # Declarative properties property_sheets = ( PropertySheet.Base , PropertySheet.SimpleItem) # Constructors constructors = (manage_addPDFTemplate, addPDFTemplate) # Default Attributes pdf_stylesheet = 'default_pdf_template' # XXX The content-type should be application/pdf, but if this is used, PageTemplate uses # TALParser instead of HTMLTALParser. This generates a strange error due to the encoding problem. # Because the XML declaration must specify ISO-8859-1 but PDFTemplate itself uses UTF-8. # Once reportlab is fixed, we will be able to use UTF-8 in every place, then this problem will # disappear... # # Simply speaking, reportlab is bad. #content_type = 'application/pdf' content_type = 'text/html' # Management interface manage_options = ( ZopePageTemplate.manage_options + ( {'label':'Stylesheet Setting', 'action':'formSettings', 'help':('ERPForm', 'pdfStylesheet.txt')}, ) ) security.declareProtected('View management screens', 'formSettings') formSettings = PageTemplateFile('www/formSettings', globals(), __name__='formSettings') formSettings._owner = None security.declareProtected('Change Page Templates', 'doSettings') def doSettings(self, REQUEST, title, pdf_stylesheet): """ Change title and pdf_stylesheet. """ if SUPPORTS_WEBDAV_LOCKS and self.wl_isLocked(): raise ResourceLockedError, "File is locked via WebDAV" self.pdf_stylesheet = pdf_stylesheet self.pt_setTitle(title) #REQUEST.set('text', self.read()) # May not equal 'text'! message = "Saved changes." if getattr(self, '_v_warnings', None): message = ("<strong>Warning:</strong> <i>%s</i>" % '<br>'.join(self._v_warnings)) return self.formSettings(manage_tabs_message=message) # Proxy method to PageTemplate def pt_render(self, source=0, extra_context={}): doc_xml = ZopePageTemplate.pt_render(self, source=source, extra_context=extra_context) # Unmarshall arguments to __call__ API args = extra_context.get('options', []) kwargs = extra_context.copy() if kwargs.has_key('options'): del kwargs['options'] if kwargs.has_key('context'): del kwargs['context'] batch_mode = extra_context.get('batch_mode', 0) request = extra_context.get('REQUEST', None) if not request: request = get_request() if request.get('debug',0): return doc_xml report_tool = getToolByName(self, 'portal_report') pdf = report_tool.renderPDF(self.pdf_stylesheet, doc_xml, context=self.pt_getContext()['here'], *args, **kwargs) if request and not batch_mode: request.RESPONSE.setHeader('Content-Type','application/pdf') request.RESPONSE.setHeader('Content-Length',len(pdf)) request.RESPONSE.setHeader('Content-Disposition','inline;filename=%s.pdf' % self.title_or_id()) return pdf #def _exec(self, bound_names, args, kw): # pt = getattr(self,self.pt) # return pt._exec(self, bound_names, args, kw) def om_icons(self): """Return a list of icon URLs to be displayed by an ObjectManager""" icons = ({'path': 'misc_/ERP5Form/PDF.png', 'alt': self.meta_type, 'title': self.meta_type},) if not self._v_cooked: self._cook() if self._v_errors: icons = icons + ({'path': 'misc_/PageTemplates/exclamation.gif', 'alt': 'Error', 'title': 'This template has an error'},) return icons InitializeClass(PDFTemplate) class FSPDFTemplate(FSPageTemplate, PDFTemplate): meta_type = "ERP5 Filesystem PDF Template" icon = "www/PDF.png" def __call__(self, *args, **kwargs): return PDFTemplate.__call__(self, *args, **kwargs) InitializeClass(FSPDFTemplate) registerFileExtension('pdft', FSPDFTemplate) registerMetaType('ERP5 PDF Template', FSPDFTemplate) # Dynamic Patch try: from Products.CMFReportTool.ReportTool import ReportTool except ImportError: ReportTool = None if ReportTool: try: from Products.CMFReportTool.ReportTool import ZODBResourceHandler HAS_ZODB_RESOURCE_HANDLER=1 except ImportError: from Products.CMFReportTool.ReportTool import ZODBHandler, ResourceHandler HAS_ZODB_RESOURCE_HANDLER=0 from Products.CMFReportTool.RenderPDF.Parser import TemplateParser,DocumentParser try: # Zope 2.10 and later. from Products.PageTemplates.Expressions import boboAwareZopeTraverse except ImportError: # Zope 2.9 and earlier. boboAwareZopeTraverse = None from Products.PageTemplates.Expressions import restrictedTraverse from StringIO import StringIO import xml.dom.minidom import urllib,os.path if HAS_ZODB_RESOURCE_HANDLER: class ERP5ResourceHandler(ZODBResourceHandler): ''' Wrapper for ZODB Resources and files''' def handleZODB(self,path): path = path.split('/') if boboAwareZopeTraverse is None: obj = restrictedTraverse(self.context,path,getSecurityManager()) else: # XXX only the request should be required, but this looks ad-hoc.. econtext = dict(request=self.context.REQUEST) obj = boboAwareZopeTraverse(self.context, path, econtext) # check type and e.g. call object if script ... if callable(obj): try: obj = obj() except (ConflictError, RuntimeError): raise except: pass ## for OFS.Image-like objects if hasattr(obj,'_original'): obj = obj._original._data() elif hasattr(obj,'_data'): obj = obj._data elif hasattr(obj,'data'): obj = obj.data return StringIO(str(obj)) else: class ERP5ResourceHandler(ResourceHandler): ''' Wrapper for ZODB Resources and files''' def __init__(self, context=None, resource_path=None): zodbhandler = ERP5ZODBHandler(context) self.opener = urllib2.build_opener(zodbhandler) class ERP5ZODBHandler(ZODBHandler): def zodb_open(self, req): path = req.get_selector() path = path.split('/') if boboAwareZopeTraverse is None: obj = restrictedTraverse(self.context,path,getSecurityManager()) else: # XXX only the request should be required, but this looks ad-hoc.. econtext = dict(request=self.context.REQUEST) obj = boboAwareZopeTraverse(self.context, path, econtext) # check type and e.g. call object if script ... if callable(obj): try: obj = obj() except (ConflictError, RuntimeError): raise except: pass ## for OFS.Image-like objects if hasattr(obj,'_original'): obj = obj._original._data() elif hasattr(obj,'_data'): obj = obj._data elif hasattr(obj,'data'): obj = obj.data return StringIO(str(obj)) def ReportTool_renderPDF(self, templatename, document_xml, *args, **kwargs): """ Render document using template """ context = kwargs.get('context',None) if context is None: context = self encoding = kwargs.get('encoding') or 'UTF-8' #LOG('ReportTool_renderPDF', 0, 'encoding = %r' % encoding) rhandler = ERP5ResourceHandler(context, getattr(self, 'resourcePath', None)) # if zope gives us the xml in unicode # we need to encode it before it can be parsed template_xml = getattr(context, templatename)(*args, **kwargs) if type(template_xml) is type(u''): template_xml = self._encode(template_xml, encoding) if type(document_xml) is type(u''): document_xml = self._encode(document_xml, encoding) #LOG('ReportTool_renderPDF', 0, 'template_xml = %r, document_xml = %r' % (template_xml, document_xml)) # XXXXX Because reportlab does not support UTF-8, use Latin-1. What a mess. template_xml = unicode(template_xml,encoding).encode('iso-8859-1') document_xml = unicode(document_xml,encoding).encode('iso-8859-1','replace') encoding = 'iso-8859-1' # create the PDFTemplate from xml template_dom = xml.dom.minidom.parseString(template_xml) template_dom.encoding = encoding template = TemplateParser(template_dom,encoding,resourceHandler=rhandler)() # create the PDFDocment from xml document_dom = xml.dom.minidom.parseString(document_xml) document_dom.encoding = encoding document = DocumentParser(document_dom,encoding,resourceHandler=rhandler) # create the PDF itself using the document and the template buf = StringIO() document(template,buf) buf.seek(0) return buf.read() ReportTool.renderPDF = ReportTool_renderPDF