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Diff for /documentViewer/documentViewer.py between versions 1.23 and 1.175.2.27

version 1.23, 2007/04/20 14:46:05 version 1.175.2.27, 2011/08/16 16:27:08
Line 1 Line 1
   
   
 from OFS.Folder import Folder  from OFS.Folder import Folder
   from OFS.Image import File
 from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate  from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
 from Products.PageTemplates.PageTemplateFile import PageTemplateFile   from Products.PageTemplates.PageTemplateFile import PageTemplateFile 
 from AccessControl import ClassSecurityInfo  from AccessControl import ClassSecurityInfo
 from AccessControl import getSecurityManager  from AccessControl import getSecurityManager
 from Globals import package_home  from Globals import package_home
   
 from Ft.Xml.Domlette import NonvalidatingReader  #from Ft.Xml import EMPTY_NAMESPACE, Parse 
 from Ft.Xml.Domlette import PrettyPrint, Print  #import Ft.Xml.Domlette
 from Ft.Xml import EMPTY_NAMESPACE, Parse  
   
 import Ft.Xml.XPath  import xml.etree.ElementTree as ET
   
 import os.path  import os.path
 import sys  import sys
 import cgi  
 import urllib  import urllib
 import logging  import logging
   import math
 import urlparse   import urlparse 
   import re
   import string
   
   from SrvTxtUtils import getInt, getText, getHttpData
   
 def logger(txt,method,txt2):  def logger(txt,method,txt2):
     """logging"""      """logging"""
     logging.info(txt+ txt2)      logging.info(txt+ txt2)
           
           
 def getInt(number, default=0):  def serializeNode(node, encoding="utf-8"):
     """returns always an int (0 in case of problems)"""      """returns a string containing node as XML"""
     try:      s = ET.tostring(node)
         return int(number)      
     except:      # 4Suite:
         return default      #    stream = cStringIO.StringIO()
       #    Ft.Xml.Domlette.Print(node, stream=stream, encoding=encoding)
       #    s = stream.getvalue()
       #    stream.close()
       return s
   
   def browserCheck(self):
       """check the browsers request to find out the browser type"""
       bt = {}
       ua = self.REQUEST.get_header("HTTP_USER_AGENT")
       bt['ua'] = ua
       bt['isIE'] = False
       bt['isN4'] = False
       bt['versFirefox']=""
       bt['versIE']=""
       bt['versSafariChrome']=""
       bt['versOpera']=""
   
 def getTextFromNode(nodename):      if string.find(ua, 'MSIE') > -1:
     """get the cdata content of a node"""          bt['isIE'] = True
     if nodename is None:      else:
         return ""          bt['isN4'] = (string.find(ua, 'Mozilla/4.') > -1)
     nodelist=nodename.childNodes      # Safari oder Chrome identification    
     rc = ""      try:
     for node in nodelist:          nav = ua[string.find(ua, '('):]
         if node.nodeType == node.TEXT_NODE:          nav1=ua[string.find(ua,')'):]
            rc = rc + node.data          nav2=nav1[string.find(nav1,'('):]
     return rc          nav3=nav2[string.find(nav2,')'):]
           ie = string.split(nav, "; ")[1]
                   ie1 =string.split(nav1, " ")[2]
 def getParentDir(path):          ie2 =string.split(nav3, " ")[1]
     """returns pathname shortened by one"""          ie3 =string.split(nav3, " ")[2]
     return '/'.join(path.split('/')[0:-1])          if string.find(ie3, "Safari") >-1:
                       bt['versSafariChrome']=string.split(ie2, "/")[1]
       except: pass
 import socket      # IE identification
       try:
 def urlopen(url,timeout=2):          nav = ua[string.find(ua, '('):]
         """urlopen mit timeout"""          ie = string.split(nav, "; ")[1]
         socket.setdefaulttimeout(timeout)          if string.find(ie, "MSIE") > -1:
         ret=urllib.urlopen(url)              bt['versIE'] = string.split(ie, " ")[1]
         socket.setdefaulttimeout(5)      except:pass
         return ret      # Firefox identification
       try:
           nav = ua[string.find(ua, '('):]
           nav1=ua[string.find(ua,')'):]
           if string.find(ie1, "Firefox") >-1:
               nav5= string.split(ie1, "/")[1]
               logging.debug("FIREFOX: %s"%(nav5))
               bt['versFirefox']=nav5[0:3]                   
       except:pass
       #Opera identification
       try:
           if string.find(ua,"Opera") >-1:
               nav = ua[string.find(ua, '('):]
               nav1=nav[string.find(nav,')'):]
               bt['versOpera']=string.split(nav1,"/")[2]
       except:pass
       
       bt['isMac'] = string.find(ua, 'Macintosh') > -1
       bt['isWin'] = string.find(ua, 'Windows') > -1
       bt['isIEWin'] = bt['isIE'] and bt['isWin']
       bt['isIEMac'] = bt['isIE'] and bt['isMac']
       bt['staticHTML'] = False
   
       return bt
   
   def getParentPath(path, cnt=1):
       """returns pathname shortened by cnt"""
       # make sure path doesn't end with /
       path = path.rstrip('/')
       # split by /, shorten, and reassemble
       return '/'.join(path.split('/')[0:-cnt])
   
   
 ##  ##
Line 65  def urlopen(url,timeout=2): Line 112  def urlopen(url,timeout=2):
 ##  ##
 class documentViewer(Folder):  class documentViewer(Folder):
     """document viewer"""      """document viewer"""
     #textViewerUrl="http://127.0.0.1:8080/HFQP/testXSLT/getPage?"  
       
     meta_type="Document viewer"      meta_type="Document viewer"
           
     security=ClassSecurityInfo()      security=ClassSecurityInfo()
Line 74  class documentViewer(Folder): Line 119  class documentViewer(Folder):
         {'label':'main config','action':'changeDocumentViewerForm'},          {'label':'main config','action':'changeDocumentViewerForm'},
         )          )
   
       metadataService = None
       """MetaDataFolder instance"""
   
     # templates and forms      # templates and forms
       viewer_text = PageTemplateFile('zpt/viewer_text', globals())
     viewer_main = PageTemplateFile('zpt/viewer_main', globals())      viewer_main = PageTemplateFile('zpt/viewer_main', globals())
     thumbs_main = PageTemplateFile('zpt/thumbs_main', globals())      toc_thumbs = PageTemplateFile('zpt/toc_thumbs', globals())
     image_main = PageTemplateFile('zpt/image_main', globals())      toc_text = PageTemplateFile('zpt/toc_text', globals())
       toc_figures = PageTemplateFile('zpt/toc_figures', globals())
       page_main_images = PageTemplateFile('zpt/page_main_images', globals())
       page_main_double = PageTemplateFile('zpt/page_main_double', globals())
       page_main_text = PageTemplateFile('zpt/page_main_text', globals())
       page_main_text_dict = PageTemplateFile('zpt/page_main_text_dict', globals())
       page_main_gis =PageTemplateFile ('zpt/page_main_gis', globals())
       page_main_xml = PageTemplateFile('zpt/page_main_xml', globals())
       page_main_pureXml = PageTemplateFile('zpt/page_main_pureXml', globals())
     head_main = PageTemplateFile('zpt/head_main', globals())      head_main = PageTemplateFile('zpt/head_main', globals())
     docuviewer_css = PageTemplateFile('css/docuviewer.css', globals())      info_xml = PageTemplateFile('zpt/info_xml', globals())
       # TODO: can this be nicer?
       docuviewer_css = File('docuviewer_css','',open(os.path.join(package_home(globals()),'css/docuviewer.css')), content_type='text/css')
   
     security.declareProtected('View management screens','changeDocumentViewerForm')      
     changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())  
   
       thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals())
           
     def __init__(self,id,imageViewerUrl,textViewerUrl=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=10,authgroups="mpiwg"):      
       def __init__(self,id,imageScalerUrl=None,textServerName=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=5,authgroups="mpiwg"):
         """init document viewer"""          """init document viewer"""
         self.id=id          self.id=id
         self.title=title          self.title=title
         self.imageViewerUrl=imageViewerUrl  
         self.textViewerUrl=textViewerUrl  
           
         if not digilibBaseUrl:  
             self.digilibBaseUrl = self.findDigilibUrl()  
         else:  
             self.digilibBaseUrl = digilibBaseUrl  
         self.thumbcols = thumbcols          self.thumbcols = thumbcols
         self.thumbrows = thumbrows          self.thumbrows = thumbrows
         # authgroups is list of authorized groups (delimited by ,)          # authgroups is list of authorized groups (delimited by ,)
         self.authgroups = [s.strip().lower() for s in authgroups.split(',')]          self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
         # add template folder so we can always use template.something          # create template folder so we can always use template.something
         self.manage_addFolder('template')  
   
           templateFolder = Folder('template')
           #self['template'] = templateFolder # Zope-2.12 style
           self._setObject('template',templateFolder) # old style
           try:
               import MpdlXmlTextServer
               textServer = MpdlXmlTextServer.MpdlXmlTextServer(id='fulltextclient',serverName=textServerName)
               #templateFolder['fulltextclient'] = xmlRpcClient
               templateFolder._setObject('fulltextclient',textServer)
           except Exception, e:
               logging.error("Unable to create MpdlXmlTextServer for fulltextclient: "+str(e))
   
     security.declareProtected('View','index_html')          try:
     def index_html(self,mode,url,viewMode="auto",start=None,pn=1):              from Products.zogiLib.zogiLib import zogiLib
               zogilib = zogiLib(id="zogilib", title="zogilib for docuviewer", dlServerURL=imageScalerUrl, layout="book")
               #templateFolder['zogilib'] = zogilib
               templateFolder._setObject('zogilib',zogilib)
           except Exception, e:
               logging.error("Unable to create zogiLib for zogilib: "+str(e))
               
           try:
               # assume MetaDataFolder instance is called metadata 
               self.metadataService = getattr(self, 'metadata')
           except Exception, e:
               logging.error("Unable to find MetaDataFolder 'metadata': "+str(e))
               
           if digilibBaseUrl is not None:
               self.digilibBaseUrl = digilibBaseUrl
               
           
       # proxy text server methods to fulltextclient
       def getTextPage(self, **args):
           """get page"""
           return self.template.fulltextclient.getTextPage(**args)
   
       def getOrigPages(self, **args):
           """get page"""
           return self.template.fulltextclient.getOrigPages(**args)
       
       def getOrigPagesNorm(self, **args):
           """get page"""
           return self.template.fulltextclient.getOrigPagesNorm(**args)
   
       def getQuery(self, **args):
           """get query in search"""
           return self.template.fulltextclient.getQuery(**args)
        
       def getSearch(self, **args):
           """get search"""
           return self.template.fulltextclient.getSearch(**args)
       
       def getGisPlaces(self, **args):
           """get gis places"""
           return self.template.fulltextclient.getGisPlaces(**args)
    
       def getAllGisPlaces(self, **args):
           """get all gis places """
           return self.template.fulltextclient.getAllGisPlaces(**args)
          
       def getWordInfo(self, **args):
           """get translate"""
           return self.template.fulltextclient.getWordInfo(**args)
   
       def getLemma(self, **args):
           """get lemma"""
           return self.template.fulltextclient.getLemma(**args)
   
       def getLemmaQuery(self, **args):
           """get query"""
           return self.template.fulltextclient.getLemmaQuery(**args)
   
       def getLex(self, **args):
           """get lex"""
           return self.template.fulltextclient.getLex(**args)
   
       def getToc(self, **args):
           """get toc"""
           return self.template.fulltextclient.getToc(**args)
   
       def getTocPage(self, **args):
           """get tocpage"""
           return self.template.fulltextclient.getTocPage(**args)
   
       
       security.declareProtected('View','thumbs_rss')
       def thumbs_rss(self,mode,url,viewMode="auto",start=None,pn=1):
         '''          '''
         view it          view it
         @param mode: defines which type of document is behind url (text,images or auto)          @param mode: defines how to access the document behind url 
         @param url: url which contains display information          @param url: url which contains display information
         @param viewMode: if images display images, if text display text, default is images          @param viewMode: if images display images, if text display text, default is images (text,images or auto)
                   
         '''          '''
                   logging.debug("HHHHHHHHHHHHHH:load the rss")
         logger("documentViewer (index)", logging.INFO, "mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))          logging.debug("documentViewer (index) mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
                   
         if not hasattr(self, 'template'):          if not hasattr(self, 'template'):
             # create template folder if it doesn't exist              # create template folder if it doesn't exist
Line 124  class documentViewer(Folder): Line 257  class documentViewer(Folder):
             self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"              self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
                           
         docinfo = self.getDocinfo(mode=mode,url=url)          docinfo = self.getDocinfo(mode=mode,url=url)
           #pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
         pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)          pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
         pt = getattr(self.template, 'viewer_main')          ''' ZDES '''
           pt = getattr(self.template, 'thumbs_main_rss')
                   
         if viewMode=="auto": # automodus gewaehlt          if viewMode=="auto": # automodus gewaehlt
             if docinfo.get("textURL",'') and self.textViewerUrl: #texturl gesetzt und textViewer konfiguriert              if docinfo.has_key("textURL") or docinfo.get('textURLPath',None): #texturl gesetzt und textViewer konfiguriert
                 viewMode="text"                  viewMode="text"
             else:              else:
                 viewMode="images"                  viewMode="images"
                                 
   
         return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)          return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)
       
       
     def getLink(self,param=None,val=None):      security.declareProtected('View','index_html')
         """link to documentviewer with parameter param set to val"""      def index_html(self,url,mode="texttool",viewMode="auto",viewType=None,tocMode="thumbs",start=1,pn=1):
         params=self.REQUEST.form.copy()          """
         if param is not None:          view page
             if val is None:          @param url: url which contains display information
                 if params.has_key(param):          @param mode: defines how to access the document behind url 
                     del params[param]          @param viewMode: 'images': display images, 'text': display text, default is 'auto'
             else:          @param viewType: sub-type of viewMode, e.g. 'dict' for viewMode='text'
                 params[param] = str(val)          @param tocMode: type of 'table of contents' for navigation (thumbs, text, figures, none)
           """
                                   
         # quote values and assemble into query string          logging.debug("documentViewer(index_html) mode=%s url=%s viewMode=%s viewType=%s start=%s pn=%s"%(mode,url,viewMode,viewType,start,pn))
         ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()])  
         url=self.REQUEST['URL1']+"?"+ps  
         return url  
   
           if not hasattr(self, 'template'):
               # this won't work
               logging.error("template folder missing!")
               return "ERROR: template folder missing!"
           
     def getStyle(self, idx, selected, style=""):          if not getattr(self, 'digilibBaseUrl', None):
         """returns a string with the given style and append 'sel' if path == selected."""              self.digilibBaseUrl = self.findDigilibUrl() or "http://digilib.mpiwg-berlin.mpg.de/digitallibrary"
         #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))  
         if idx == selected:  
             return style + 'sel'  
         else:  
             return style  
                   
           docinfo = self.getDocinfo(mode=mode,url=url)
                   
     def isAccessible(self, docinfo):          if tocMode != "thumbs":
         """returns if access to the resource is granted"""              # get table of contents
         access = docinfo.get('accessType', None)              docinfo = self.getToc(mode=tocMode, docinfo=docinfo)
         logger("documentViewer (accessOK)", logging.INFO, "access type %s"%access)  
         if access is not None and access == 'free':          # auto viewMode: text if there is a text else images
             logger("documentViewer (accessOK)", logging.INFO, "access is free")          if viewMode=="auto": 
             return True              if docinfo.get('textURL', None) or docinfo.get('textURLPath', None): 
         elif access is None or access in self.authgroups:                  viewMode = "text"
             # only local access -- only logged in users                  viewType = "dict"
             user = getSecurityManager().getUser()  
             if user is not None:  
                 #print "user: ", user  
                 return (user.getUserName() != "Anonymous User")  
             else:              else:
                 return False                  viewMode = "images"
           
         logger("documentViewer (accessOK)", logging.INFO, "unknown access type %s"%access)  
         return False  
           
           elif viewMode == "text_dict":
               # legacy fix
               viewMode = "text"
               viewType = "dict"
                                   
     def getDirinfoFromDigilib(self,path,docinfo=None):          # stringify viewType
         """gibt param von dlInfo aus"""          if isinstance(viewType, list):
         num_retries = 3              logging.debug("index_html: viewType is list:%s"%viewType)
         if docinfo is None:              viewType = ','.join([t for t in viewType if t])
             docinfo = {}                          
           pageinfo = self.getPageinfo(start=start, current=pn, docinfo=docinfo, viewMode=viewMode, viewType=viewType, tocMode=tocMode)
                       
           # get template /template/viewer_$viewMode
           pt = getattr(self.template, 'viewer_%s'%viewMode, None)
           if pt is None:
               logging.error("No template for viewMode=%s!"%viewMode)
               # TODO: error page?
               return "No template for viewMode=%s!"%viewMode
           
           # and execute with parameters
           return pt(docinfo=docinfo, pageinfo=pageinfo)
     
       def generateMarks(self,mk):
           ret=""
           if mk is None:
               return ""
           if not isinstance(mk, list):
               mk=[mk]
           for m in mk:
               ret+="mk=%s"%m
           return ret
                           
         infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path  
           
         logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo from %s"%(infoUrl))      def getBrowser(self):
           """getBrowser the version of browser """
           bt = browserCheck(self)
           logging.debug("BROWSER VERSION: %s"%(bt))
           return bt
                   
         for cnt in range(num_retries):      def findDigilibUrl(self):
             try:          """try to get the digilib URL from zogilib"""
                 # dom = NonvalidatingReader.parseUri(imageUrl)          url = self.template.zogilib.getDLBaseUrl()
                 txt=urllib.urlopen(infoUrl).read()          return url
                 dom = Parse(txt)  
                 break  
             except:  
                 logger("documentViewer (getdirinfofromdigilib)", logging.ERROR, "error reading %s (try %d)"%(infoUrl,cnt))  
         else:  
             raise IOError("Unable to get dir-info from %s"%(infoUrl))  
                   
         sizes=dom.xpath("//dir/size")      def getScalerUrl(self, fn=None, pn=None, dw=100, dh=100, docinfo=None):
         logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo:size"%sizes)          """returns URL to digilib Scaler with params"""
           url = None
           if docinfo is not None:
               url = docinfo.get('imageURL', None)
                   
         if sizes:          if url is None:
             docinfo['numPages'] = int(getTextFromNode(sizes[0]))              url = "%s/servlet/Scaler?"%self.digilibBaseUrl
         else:              if fn is None and docinfo is not None:
             docinfo['numPages'] = 0                  fn = docinfo.get('imagePath','')
                                                   
         return docinfo              url += "fn=%s"%fn
           
           if pn:
               url += "&pn=%s"%pn
                           
     def getIndexMeta(self, url):          url += "&dw=%s&dh=%s"%(dw,dh)
         """returns dom of index.meta document at url"""          return url
         num_retries = 3  
         dom = None  
         metaUrl = None  
         if url.startswith("http://"):  
             # real URL  
             metaUrl = url  
         else:  
             # online path  
             server=self.digilibBaseUrl+"/servlet/Texter?fn="  
             metaUrl=server+url.replace("/mpiwg/online","")  
             if not metaUrl.endswith("index.meta"):  
                 metaUrl += "/index.meta"  
         print metaUrl  
         for cnt in range(num_retries):  
             try:  
                 # patch dirk encoding fehler treten dann nicht mehr auf  
                 # dom = NonvalidatingReader.parseUri(metaUrl)  
                 txt=urllib.urlopen(metaUrl).read()  
                 dom = Parse(txt)  
                 break  
             except:  
                 logger("ERROR documentViewer (getIndexMata)", logging.INFO,"%s (%s)"%sys.exc_info()[0:2])  
                   
         if dom is None:  
             raise IOError("Unable to read index meta from %s"%(url))  
                                     
         return dom      def getDocumentViewerURL(self):
           """returns the URL of this instance"""
           return self.absolute_url()
           
     def getPresentationInfoXML(self, url):      def getStyle(self, idx, selected, style=""):
         """returns dom of info.xml document at url"""          """returns a string with the given style and append 'sel' if idx == selected."""
         num_retries = 3          #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))
         dom = None          if idx == selected:
         metaUrl = None              return style + 'sel'
         if url.startswith("http://"):  
             # real URL  
             metaUrl = url  
         else:          else:
             # online path              return style
             server=self.digilibBaseUrl+"/servlet/Texter?fn="  
             metaUrl=server+url.replace("/mpiwg/online","")  
                         
       def getParams(self, param=None, val=None, params=None, duplicates=None):
           """returns dict with URL parameters.
                   
         for cnt in range(num_retries):          Takes URL parameters and additionally param=val or dict params.
             try:          Deletes key if value is None."""
                 # patch dirk encoding fehler treten dann nicht mehr auf          # copy existing request params
                 # dom = NonvalidatingReader.parseUri(metaUrl)          newParams=self.REQUEST.form.copy()
                 txt=urllib.urlopen(metaUrl).read()          # change single param
                 dom = Parse(txt)          if param is not None:
                 break              if val is None:
             except:                  if newParams.has_key(param):
                 logger("ERROR documentViewer (getPresentationInfoXML)", logging.INFO,"%s (%s)"%sys.exc_info()[0:2])                      del newParams[param]
               else:
                   newParams[param] = str(val)
                                   
         if dom is None:          # change more params
             raise IOError("Unable to read infoXMLfrom %s"%(url))          if params is not None:
               for (k, v) in params.items():
                   if v is None:
                       # val=None removes param
                       if newParams.has_key(k):
                           del newParams[k]
                           
                   else:
                       newParams[k] = v
   
           if duplicates:
               # eliminate lists (coming from duplicate keys)
               for (k,v) in newParams.items():
                   if isinstance(v, list):
                       if duplicates == 'comma':
                           # make comma-separated list of non-empty entries
                           newParams[k] = ','.join([t for t in v if t])
                       elif duplicates == 'first':
                           # take first non-empty entry
                           newParams[k] = [t for t in v if t][0]
           
           return newParams
       
       def getLink(self, param=None, val=None, params=None, baseUrl=None, paramSep='&', duplicates='comma'):
           """returns URL to documentviewer with parameter param set to val or from dict params"""
           urlParams = self.getParams(param=param, val=val, params=params, duplicates=duplicates)
           # quote values and assemble into query string (not escaping '/')
           ps = paramSep.join(["%s=%s"%(k,urllib.quote_plus(unicode(v),'/')) for (k, v) in urlParams.items()])
           if baseUrl is None:
               baseUrl = self.getDocumentViewerURL()
                                     
         return dom          url = "%s?%s"%(baseUrl, ps)
           return url
                                                   
       def getLinkAmp(self, param=None, val=None, params=None, baseUrl=None, duplicates='comma'):
           """link to documentviewer with parameter param set to val"""
           return self.getLink(param=param, val=val, params=params, baseUrl=baseUrl, paramSep='&', duplicates=duplicates)
                   
     def getAuthinfoFromIndexMeta(self,path,docinfo=None,dom=None):  
         """gets authorization info from the index.meta file at path or given by dom"""  
         logger("documentViewer (getauthinfofromindexmeta)", logging.INFO,"path: %s"%(path))  
                   
         access = None      def getInfo_xml(self,url,mode):
           """returns info about the document as XML"""
           if not self.digilibBaseUrl:
               self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
                   
         if docinfo is None:          docinfo = self.getDocinfo(mode=mode,url=url)
             docinfo = {}          pt = getattr(self.template, 'info_xml')
           return pt(docinfo=docinfo)
                           
         if dom is None:      def isAccessible(self, docinfo):
             dom = self.getIndexMeta(getParentDir(path))          """returns if access to the resource is granted"""
           access = docinfo.get('accessType', None)
           logging.debug("documentViewer (accessOK) access type %s"%access)
           if access == 'free':
               logging.debug("documentViewer (accessOK) access is free")
               return True
                 
         acctype = dom.xpath("//access-conditions/access/@type")          elif access is None or access in self.authgroups:
         if acctype and (len(acctype)>0):              # only local access -- only logged in users
             access=acctype[0].value              user = getSecurityManager().getUser()
             if access in ['group', 'institution']:              logging.debug("documentViewer (accessOK) user=%s ip=%s"%(user,self.REQUEST.getClientAddr()))
                 access = getTextFromNode(dom.xpath("//access-conditions/access/name")[0]).lower()              if user is not None:
                   #print "user: ", user
                   return (user.getUserName() != "Anonymous User")
               else:
                   return False
                           
         docinfo['accessType'] = access          logging.error("documentViewer (accessOK) unknown access type %s"%access)
         return docinfo          return False
           
                   
     def getBibinfoFromIndexMeta(self,path,docinfo=None,dom=None):  
         """gets bibliographical info from the index.meta file at path or given by dom"""  
         logger("documentViewer (getbibinfofromindexmeta)", logging.INFO,"path: %s"%(path))  
           
         if docinfo is None:  
             docinfo = {}  
               
         if dom is None:  
             dom = self.getIndexMeta(getParentDir(path))  
               
         metaData=self.metadata.main.meta.bib  
         bibtype=dom.xpath("//bib/@type")  
         if bibtype and (len(bibtype)>0):  
             bibtype=bibtype[0].value  
         else:  
             bibtype="generic"  
         bibtype=bibtype.replace("-"," ") # wrong typesiin index meta "-" instead of " " (not wrong! ROC)  
         bibmap=metaData.generateMappingForType(bibtype)  
         #print "bibmap: ", bibmap, " for: ", bibtype  
         # if there is no mapping bibmap is empty (mapping sometimes has empty fields)  
         if len(bibmap) > 0 and len(bibmap['author'][0]) > 0:  
             docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['author'][0])[0])  
             docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['title'][0])[0])  
             docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['year'][0])[0])  
                           
             logging.info("bla")      def getDocinfo(self, mode, url):
             try:          """returns docinfo depending on mode"""
                 docinfo['lang']=getTextFromNode(dom.xpath("//bib/lang")[0])          logging.debug("getDocinfo: mode=%s, url=%s"%(mode,url))
             except:          # look for cached docinfo in session
                 docinfo['lang']=''          if self.REQUEST.SESSION.has_key('docinfo'):
               docinfo = self.REQUEST.SESSION['docinfo']
               # check if its still current
               if docinfo is not None and docinfo.get('mode', None) == mode and docinfo.get('url', None) == url:
                   logging.debug("getDocinfo: docinfo in session. keys=%s"%docinfo.keys())
         return docinfo          return docinfo
   
           # new docinfo
           docinfo = {'mode': mode, 'url': url}
           # add self url
           docinfo['viewerUrl'] = self.getDocumentViewerURL()
           docinfo['digilibBaseUrl'] = self.digilibBaseUrl
           # get index.meta DOM
           docUrl = None
           metaDom = None
           if mode=="texttool": 
               # url points to document dir or index.meta
               metaDom = self.metadataService.getDomFromPathOrUrl(url)
               docUrl = url.replace('/index.meta', '')
               if metaDom is None:
                   raise IOError("Unable to find index.meta for mode=texttool!")
                   
     def getDocinfoFromTextTool(self,url,dom=None,docinfo=None):          elif mode=="imagepath":
        """parse texttool tag in index meta"""              # url points to folder with images, index.meta optional
        logger("documentViewer (getdocinfofromtexttool)", logging.INFO,"url: %s"%(url))              # asssume index.meta in parent dir
        if docinfo is None:              docUrl = getParentPath(url)
            docinfo = {}              metaDom = self.metadataService.getDomFromPathOrUrl(docUrl)
              
        if docinfo.get('lang',None) is None:          elif mode=="filepath":
            docinfo['lang']='' # default keine Sprache gesetzt              # url points to image file, index.meta optional
        if dom is None:              # asssume index.meta is two path segments up
            dom = self.getIndexMeta(url)              docUrl = getParentPath(url, 2)
                      metaDom = self.metadataService.getDomFromPathOrUrl(docUrl)
        archivePath = None  
        archiveName = None          else:
               logging.error("documentViewer (getdocinfo) unknown mode: %s!"%mode)
        archiveNames=dom.xpath("//resource/name")              raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode))
        if archiveNames and (len(archiveNames)>0):          
            archiveName=getTextFromNode(archiveNames[0])          docinfo['documentUrl'] = docUrl
        else:          # process index.meta contents
            logger("documentViewer (getdocinfofromtexttool)", logging.WARNING,"resource/name missing in: %s"%(url))          if metaDom is not None and metaDom.tag == 'resource':
                      # document directory name and path
        archivePaths=dom.xpath("//resource/archive-path")              resource = self.metadataService.getResourceData(dom=metaDom)
        if archivePaths and (len(archivePaths)>0):              if resource:
            archivePath=getTextFromNode(archivePaths[0])                  docinfo = self.getDocinfoFromResource(docinfo, resource)
            # clean up archive path  
            if archivePath[0] != '/':              # texttool info
                archivePath = '/' + archivePath              texttool = self.metadataService.getTexttoolData(dom=metaDom)
            if archiveName and (not archivePath.endswith(archiveName)):              if texttool:
                archivePath += "/" + archiveName                  docinfo = self.getDocinfoFromTexttool(docinfo, texttool)
        else:              
            # try to get archive-path from url              # bib info
            logger("documentViewer (getdocinfofromtexttool)", logging.WARNING,"resource/archive-path missing in: %s"%(url))              bib = self.metadataService.getBibData(dom=metaDom)
            if (not url.startswith('http')):              if bib:
                archivePath = url.replace('index.meta', '')                  docinfo = self.getDocinfoFromBib(docinfo, bib)
                              else:
        if archivePath is None:                  # no bib - try info.xml
            # we balk without archive-path                  docinfo = self.getDocinfoFromPresentationInfoXml(docinfo)
            raise IOError("Missing archive-path (for text-tool) in %s"%(url))                  
               # auth info
               access = self.metadataService.getAccessData(dom=metaDom)
               if access:
                   docinfo = self.getDocinfoFromAccess(docinfo, access)
   
               # attribution info
               attribution = self.metadataService.getAttributionData(dom=metaDom)
               if attribution:
                   logging.debug("getDocinfo: attribution=%s"%repr(attribution))
                   docinfo['attribution'] = attribution
                   #docinfo = self.getDocinfoFromAccess(docinfo, access)
   
               # copyright info
               copyright = self.metadataService.getCopyrightData(dom=metaDom)
               if copyright:
                   logging.debug("getDocinfo: copyright=%s"%repr(copyright))
                   docinfo['copyright'] = copyright
                   #docinfo = self.getDocinfoFromAccess(docinfo, access)
   
           # image path
           if mode != 'texttool':
               # override image path from texttool with url
               docinfo['imagePath'] = url.replace('/mpiwg/online/', '', 1)
   
           # number of images from digilib
           if docinfo.get('imagePath', None):
               docinfo['imageURL'] = self.digilibBaseUrl + "/servlet/Scaler?fn=" + docinfo['imagePath']
               docinfo = self.getDocinfoFromDigilib(docinfo, docinfo['imagePath'])
   
           logging.debug("documentViewer (getdocinfo) docinfo: keys=%s"%docinfo.keys())
           #logging.debug("documentViewer (getdocinfo) docinfo: %s"%docinfo)
           # store in session
           self.REQUEST.SESSION['docinfo'] = docinfo
           return docinfo
                 
        imageDirs=dom.xpath("//texttool/image")      def getDocinfoFromResource(self, docinfo, resource):
        if imageDirs and (len(imageDirs)>0):          """reads contents of resource element into docinfo"""
            imageDir=getTextFromNode(imageDirs[0])          docName = resource.get('name', None)
        else:          docinfo['documentName'] = docName
            # we balk with no image tag / not necessary anymore because textmode is now standard          docPath = resource.get('archive-path', None)
            #raise IOError("No text-tool info in %s"%(url))          if docPath:
            imageDir=""              # clean up document path
            docinfo['numPages']=1 # im moment einfach auf eins setzen, navigation ueber die thumbs geht natuerlich nicht              if docPath[0] != '/':
                   docPath = '/' + docPath
                   
               if docName and (not docPath.endswith(docName)):
                   docPath += "/" + docName
               
           else:
               # use docUrl as docPath
               docUrl = docinfo['documentURL']
               if not docUrl.startswith('http:'):
                   docPath = docUrl
           if docPath:
               # fix URLs starting with /mpiwg/online
               docPath = docPath.replace('/mpiwg/online', '', 1)
                 
            docinfo['imagePath'] = "" # keine Bilder          docinfo['documentPath'] = docPath
            docinfo['imageURL'] = ""          return docinfo
   
        if imageDir and archivePath:      def getDocinfoFromTexttool(self, docinfo, texttool):
           """reads contents of texttool element into docinfo"""
           # image dir
           imageDir = texttool.get('image', None)
           docPath = docinfo.get('documentPath', None)
           if imageDir and docPath:
            #print "image: ", imageDir, " archivepath: ", archivePath             #print "image: ", imageDir, " archivepath: ", archivePath
            imageDir=os.path.join(archivePath,imageDir)              imageDir = os.path.join(docPath, imageDir)
            imageDir=imageDir.replace("/mpiwg/online",'')              imageDir = imageDir.replace('/mpiwg/online', '', 1)
            docinfo=self.getDirinfoFromDigilib(imageDir,docinfo=docinfo)  
            docinfo['imagePath'] = imageDir             docinfo['imagePath'] = imageDir
            docinfo['imageURL'] = self.digilibBaseUrl+"/servlet/Scaler?fn="+imageDir  
                         
        viewerUrls=dom.xpath("//texttool/digiliburlprefix")          # old style text URL
        if viewerUrls and (len(viewerUrls)>0):          textUrl = texttool.get('text', None)
            viewerUrl=getTextFromNode(viewerUrls[0])          if textUrl and docPath:
            docinfo['viewerURL'] = viewerUrl  
                     
        textUrls=dom.xpath("//texttool/text")  
        if textUrls and (len(textUrls)>0):  
            textUrl=getTextFromNode(textUrls[0])  
            if urlparse.urlparse(textUrl)[0]=="": #keine url             if urlparse.urlparse(textUrl)[0]=="": #keine url
                textUrl=os.path.join(archivePath,textUrl)                   textUrl = os.path.join(docPath, textUrl) 
   
            docinfo['textURL'] = textUrl             docinfo['textURL'] = textUrl
                                             
           # new style text-url-path
           textUrl = texttool.get('text-url-path', None)
           if textUrl:
               docinfo['textURLPath'] = textUrl
               
           # page flow
           docinfo['pageFlow'] = texttool.get('page-flow', 'ltr')
               
           # odd pages are left
           docinfo['oddPage'] = texttool.get('odd-scan-position', 'left')
               
           # number of title page (0: not defined)
           docinfo['titlePage'] = texttool.get('title-scan-no', 0)
               
           # old presentation stuff
           presentation = texttool.get('presentation', None)
           if presentation and docPath:
               if presentation.startswith('http:'):
                   docinfo['presentationUrl'] = presentation
               else:
                   docinfo['presentationUrl'] = os.path.join(docPath, presentation)
         
        presentationUrls=dom.xpath("//texttool/presentation")  
        docinfo = self.getBibinfoFromIndexMeta(url,docinfo=docinfo,dom=dom)   # get info von bib tag  
                 
        if presentationUrls and (len(presentationUrls)>0): # ueberschreibe diese durch presentation informationen           return docinfo
             # presentation url ergiebt sich ersetzen von index.meta in der url der fŸr die Metadaten  
             # durch den relativen Pfad auf die presentation infos      def getDocinfoFromBib(self, docinfo, bib):
            presentationUrl=url.replace('index.meta',getTextFromNode(presentationUrls[0]))          """reads contents of bib element into docinfo"""
           logging.debug("getDocinfoFromBib bib=%s"%repr(bib))
           # put all raw bib fields in dict "bib"
           docinfo['bib'] = bib
           bibtype = bib.get('@type', None)
           docinfo['bibType'] = bibtype
           # also store DC metadata for convenience
           dc = self.metadataService.getDCMappedData(bib)
           docinfo['creator'] = dc.get('creator',None)
           docinfo['title'] = dc.get('title',None)
           docinfo['date'] = dc.get('date',None)
           return docinfo
                         
            docinfo = self.getBibinfoFromTextToolPresentation(presentationUrl,docinfo=docinfo,dom=dom)      def getDocinfoFromAccess(self, docinfo, acc):
           """reads contents of access element into docinfo"""
           #TODO: also read resource type
           logging.debug("getDocinfoFromAccess acc=%s"%repr(acc))
           try:
               acctype = acc['@attr']['type']
               if acctype:
                   access=acctype
                   if access in ['group', 'institution']:
                       access = acc['name'].lower()
   
                   docinfo['accessType'] = access
                         
           except:
               pass
   
        return docinfo         return docinfo
         
       def getDocinfoFromDigilib(self, docinfo, path):
           infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path
           # fetch data
           txt = getHttpData(infoUrl)
           if not txt:
               logging.error("Unable to get dir-info from %s"%(infoUrl))
               return docinfo
         
     def getBibinfoFromTextToolPresentation(self,url,docinfo=None,dom=None):          dom = ET.fromstring(txt)
         """gets the bibliographical information from the preseantion entry in texttools          size = getText(dom.find("size"))
         """          logging.debug("getDocinfoFromDigilib: size=%s"%size)
         dom=self.getPresentationInfoXML(url)          if size:
         docinfo['author']=getTextFromNode(dom.xpath("//author")[0])              docinfo['numPages'] = int(size)
         docinfo['title']=getTextFromNode(dom.xpath("//title")[0])          else:
         docinfo['year']=getTextFromNode(dom.xpath("//date")[0])              docinfo['numPages'] = 0
         return docinfo  
       
     def getDocinfoFromImagePath(self,path,docinfo=None):  
         """path ist the path to the images it assumes that the index.meta file is one level higher."""  
         logger("documentViewer (getdocinfofromimagepath)", logging.INFO,"path: %s"%(path))  
         if docinfo is None:  
             docinfo = {}  
         path=path.replace("/mpiwg/online","")  
         docinfo['imagePath'] = path  
         docinfo=self.getDirinfoFromDigilib(path,docinfo=docinfo)  
         imageUrl=self.digilibBaseUrl+"/servlet/Scaler?fn="+path  
         docinfo['imageURL'] = imageUrl  
                   
         docinfo = self.getBibinfoFromIndexMeta(path,docinfo=docinfo)          # TODO: produce and keep list of image names and numbers
         docinfo = self.getAuthinfoFromIndexMeta(path,docinfo=docinfo)  
         return docinfo          return docinfo
           
           
     def getDocinfo(self, mode, url):      def getDocinfoFromPresentationInfoXml(self,docinfo):
         """returns docinfo depending on mode"""          """gets DC-like bibliographical information from the presentation entry in texttools"""
         logger("documentViewer (getdocinfo)", logging.INFO,"mode: %s, url: %s"%(mode,url))          url = docinfo.get('presentationUrl', None)
         # look for cached docinfo in session          if not url:
         if self.REQUEST.SESSION.has_key('docinfo'):              logging.error("getDocinfoFromPresentation: no URL!")
             docinfo = self.REQUEST.SESSION['docinfo']  
             # check if its still current  
             if docinfo is not None and docinfo.get('mode') == mode and docinfo.get('url') == url:  
                 logger("documentViewer (getdocinfo)", logging.INFO,"docinfo in session: %s"%docinfo)  
                 return docinfo                  return docinfo
         # new docinfo          
         docinfo = {'mode': mode, 'url': url}          dom = None
         if mode=="texttool": #index.meta with texttool information          metaUrl = None
             docinfo = self.getDocinfoFromTextTool(url, docinfo=docinfo)          if url.startswith("http://"):
         elif mode=="imagepath":              # real URL
             docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo)              metaUrl = url
         else:          else:
             logger("documentViewer (getdocinfo)", logging.ERROR,"unknown mode!")              # online path
             raise ValueError("Unknown mode %s"%(mode))  
                                                   
         logger("documentViewer (getdocinfo)", logging.INFO,"docinfo: %s"%docinfo)              server=self.digilibBaseUrl+"/servlet/Texter?fn="
         self.REQUEST.SESSION['docinfo'] = docinfo              metaUrl=server+url
           
           txt=getHttpData(metaUrl)
           if txt is None:
               logging.error("Unable to read info.xml from %s"%(url))
               return docinfo
               
           dom = ET.fromstring(txt)
           docinfo['creator']=getText(dom.find(".//author"))
           docinfo['title']=getText(dom.find(".//title"))
           docinfo['date']=getText(dom.find(".//date"))
         return docinfo          return docinfo
                   
                   
     def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None):      def getPageinfo(self, current=None, start=None, rows=None, cols=None, docinfo=None, viewMode=None, viewType=None, tocMode=None):
         """returns pageinfo with the given parameters"""          """returns pageinfo with the given parameters"""
           logging.debug("getPageInfo(current=%s, start=%s, rows=%s, cols=%s, viewMode=%s, viewType=%s, tocMode=%s)"%(current,start,rows,cols,viewMode,viewType,tocMode))
         pageinfo = {}          pageinfo = {}
           pageinfo['viewMode'] = viewMode
           pageinfo['viewType'] = viewType
           pageinfo['tocMode'] = tocMode
   
         current = getInt(current)          current = getInt(current)
         pageinfo['current'] = current          pageinfo['current'] = current
           pageinfo['pn'] = current
         rows = int(rows or self.thumbrows)          rows = int(rows or self.thumbrows)
         pageinfo['rows'] = rows          pageinfo['rows'] = rows
         cols = int(cols or self.thumbcols)          cols = int(cols or self.thumbcols)
         pageinfo['cols'] = cols          pageinfo['cols'] = cols
         grpsize = cols * rows          grpsize = cols * rows
         pageinfo['groupsize'] = grpsize          pageinfo['groupsize'] = grpsize
         start = getInt(start, default=(int(current / grpsize) * grpsize +1))          # is start is empty use one around current
           start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1)))
           # int(current / grpsize) * grpsize +1))
         pageinfo['start'] = start          pageinfo['start'] = start
         pageinfo['end'] = start + grpsize          
         if docinfo is not None:          np = int(docinfo.get('numPages', 0))
             np = int(docinfo['numPages'])          if np == 0:
             pageinfo['end'] = min(pageinfo['end'], np)              # numPages unknown - maybe we can get it from text page
               if docinfo.get('textURLPath', None):
                   # cache text page as well
                   pageinfo['textPage'] = self.getTextPage(mode=viewType, pn=current, docinfo=docinfo, pageinfo=pageinfo)
                   np = int(docinfo.get('numPages', 0))
                   
             pageinfo['numgroups'] = int(np / grpsize)              pageinfo['numgroups'] = int(np / grpsize)
             if np % grpsize > 0:              if np % grpsize > 0:
                 pageinfo['numgroups'] += 1                  pageinfo['numgroups'] += 1
                                   
           pageFlowLtr = docinfo.get('pageFlow', 'ltr') != 'rtl'
           oddScanLeft = docinfo.get('oddPage', 'left') != 'right'
           # add zeroth page for two columns
           pageZero = (cols == 2 and (pageFlowLtr != oddScanLeft))
           pageinfo['pageZero'] = pageZero
           pageinfo['pageBatch'] = self.getPageBatch(start=start, rows=rows, cols=cols, pageFlowLtr=pageFlowLtr, pageZero=pageZero, minIdx=1, maxIdx=np)
                   
           # TODO: do we need this here?
           pageinfo['characterNormalization'] = self.REQUEST.get('characterNormalization','reg')
           pageinfo['query'] = self.REQUEST.get('query','') 
           pageinfo['queryType'] = self.REQUEST.get('queryType','')
           pageinfo['querySearch'] =self.REQUEST.get('querySearch', 'fulltext')
           pageinfo['highlightQuery'] = self.REQUEST.get('highlightQuery','')
           pageinfo['tocPageSize'] = getInt(self.REQUEST.get('tocPageSize', 30))
           pageinfo['queryPageSize'] = getInt(self.REQUEST.get('queryPageSize', 10))
           pageinfo['tocPN'] = getInt(self.REQUEST.get('tocPN', '1'))
           pageinfo['searchPN'] = getInt(self.REQUEST.get('searchPN','1'))
           
           # limit tocPN
           if 'tocSize_%s'%tocMode in docinfo:
               tocSize = docinfo['tocSize_%s'%tocMode]
               tocPageSize = pageinfo['tocPageSize']
               # cached toc           
               if tocSize%tocPageSize>0:
                   tocPages=tocSize/tocPageSize+1
               else:
                   tocPages=tocSize/tocPageSize
                   
               pageinfo['tocPN'] = min(tocPages,pageinfo['tocPN'])
               
         return pageinfo          return pageinfo
                                   
     def text(self,mode,url,pn):  
         """give text"""  
         if mode=="texttool": #index.meta with texttool information  
             (viewerUrl,imagepath,textpath)=parseUrlTextTool(url)  
                   
         #print textpath      def getPageBatch(self, start=1, rows=10, cols=2, pageFlowLtr=True, pageZero=False, minIdx=1, maxIdx=0):
         try:          """returns dict with array of page informations for one screenfull of thumbnails"""
             dom = NonvalidatingReader.parseUri(textpath)          batch = {}
         except:          grpsize = rows * cols
             return None          if maxIdx == 0:
               maxIdx = start + grpsize
   
           nb = int(math.ceil(maxIdx / float(grpsize)))
           # list of all batch start and end points
           batches = []
           if pageZero:
               ofs = 0
           else:
               ofs = 1
           
         list=[]          for i in range(nb):
         nodes=dom.xpath("//pb")              s = i * grpsize + ofs
               e = min((i + 1) * grpsize + ofs - 1, maxIdx)
               batches.append({'start':s, 'end':e})
   
         node=nodes[int(pn)-1]          batch['batches'] = batches
                   
         p=node          pages = []
           if pageZero and start == 1:
               # correct beginning
               idx = 0
           else:
               idx = start
                   
         while p.tagName!="p":          for r in range(rows):
             p=p.parentNode              row = []
               for c in range(cols):
                   if idx < minIdx or idx > maxIdx:
                       page = {'idx':None}
                   else:
                       page = {'idx':idx}
                   
                   idx += 1
                   if pageFlowLtr:
                       row.append(page)
                   else:
                       row.insert(0, page) 
                   
         endNode=nodes[int(pn)]              pages.append(row)
                   
           if start > 1:
               batch['prevStart'] = max(start - grpsize, 1)
           else:
               batch['prevStart'] = None
                   
         e=endNode          if start + grpsize < maxIdx:
               batch['nextStart'] = start + grpsize
           else:
               batch['nextStart'] = None
                   
         while e.tagName!="p":          batch['pages'] = pages
             e=e.parentNode          return batch
                   
       def getBatch(self, start=1, size=10, end=0, data=None, fullData=True):
           """returns dict with information for one screenfull of data."""
           batch = {}
           if end == 0:
               end = start + size                    
                   
         next=node.parentNode          nb = int(math.ceil(end / float(size)))
           # list of all batch start and end points
           batches = []
           for i in range(nb):
               s = i * size + 1
               e = min((i + 1) * size, end)
               batches.append({'start':s, 'end':e})
                   
         #sammle s          batch['batches'] = batches
         while next and (next!=endNode.parentNode):          # list of elements in this batch
             list.append(next)              this = []
             next=next.nextSibling              j = 0
         list.append(endNode.parentNode)          for i in range(start, min(start+size, end)):
               if data:
                   if fullData:
                       d = data[i]
                   else:
                       d = data[j]
                       j += 1
                   
         if p==e:# beide im selben paragraphen              else:
             pass                  d = i+1
 #    else:  
 #            next=p  
 #            while next!=e:  
 #                print next,e  
 #                list.append(next)  
 #                next=next.nextSibling  
 #              
 #        for x in list:  
 #            PrettyPrint(x)  
 #  
 #        return list  
 #  
   
     def findDigilibUrl(self):              this.append(d)
         """try to get the digilib URL from zogilib"""  
         url = self.imageViewerUrl[:-1] + "/getScalerUrl"  
         #print urlparse.urlparse(url)[0]  
         #print urlparse.urljoin(self.absolute_url(),url)  
         logging.info("finddigiliburl: %s"%urlparse.urlparse(url)[0])  
         logging.info("finddigiliburl: %s"%urlparse.urljoin(self.absolute_url(),url))  
                   
         try:          batch['this'] = this
             if urlparse.urlparse(url)[0]=='': #relative path          if start > 1:
                 url=urlparse.urljoin(self.absolute_url()+"/",url)              batch['prevStart'] = max(start - size, 1)
           else:
               batch['prevStart'] = None
                                   
             scaler = urlopen(url).read()          if start + size < end:
             return scaler.replace("/servlet/Scaler?", "")              batch['nextStart'] = start + size
         except:          else:
             return None              batch['nextStart'] = None
           
     def changeDocumentViewer(self,imageViewerUrl,textViewerUrl,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=10,authgroups='mpiwg',RESPONSE=None):          return batch
           
   
       security.declareProtected('View management screens','changeDocumentViewerForm')    
       changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())
       
       def changeDocumentViewer(self,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=5,authgroups='mpiwg',RESPONSE=None):
         """init document viewer"""          """init document viewer"""
         self.title=title          self.title=title
         self.imageViewerUrl=imageViewerUrl  
         self.textViewerUrl=textViewerUrl  
         self.digilibBaseUrl = digilibBaseUrl          self.digilibBaseUrl = digilibBaseUrl
         self.thumbrows = thumbrows          self.thumbrows = thumbrows
         self.thumbcols = thumbcols          self.thumbcols = thumbcols
         self.authgroups = [s.strip().lower() for s in authgroups.split(',')]          self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
           try:
               # assume MetaDataFolder instance is called metadata 
               self.metadataService = getattr(self, 'metadata')
           except Exception, e:
               logging.error("Unable to find MetaDataFolder 'metadata': "+str(e))
   
         if RESPONSE is not None:          if RESPONSE is not None:
             RESPONSE.redirect('manage_main')              RESPONSE.redirect('manage_main')
           
       
           
           
 #    security.declareProtected('View management screens','renameImageForm')  
   
 def manage_AddDocumentViewerForm(self):  def manage_AddDocumentViewerForm(self):
     """add the viewer form"""      """add the viewer form"""
     pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self)      pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self)
     return pt()      return pt()
       
 def manage_AddDocumentViewer(self,id,imageViewerUrl="",textViewerUrl="",title="",RESPONSE=None):  def manage_AddDocumentViewer(self,id,imageScalerUrl="",textServerName="",title="",RESPONSE=None):
     """add the viewer"""      """add the viewer"""
     newObj=documentViewer(id,imageViewerUrl,title=title,textViewerUrl=textViewerUrl)      newObj=documentViewer(id,imageScalerUrl=imageScalerUrl,title=title,textServerName=textServerName)
     self._setObject(id,newObj)      self._setObject(id,newObj)
           
     if RESPONSE is not None:      if RESPONSE is not None:
         RESPONSE.redirect('manage_main')          RESPONSE.redirect('manage_main')
   
   
 ##  
 ## DocumentViewerTemplate class  ## DocumentViewerTemplate class
 ##  
 class DocumentViewerTemplate(ZopePageTemplate):  class DocumentViewerTemplate(ZopePageTemplate):
     """Template for document viewer"""      """Template for document viewer"""
     meta_type="DocumentViewer Template"      meta_type="DocumentViewer Template"
Removed from v.1.23  
changed lines
  Added in v.1.175.2.27

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