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Diff for /documentViewer/documentViewer.py between versions 1.24 and 1.175.2.33

version 1.24, 2007/05/03 17:28:23 version 1.175.2.33, 2011/08/29 14:39:50
Line 1 Line 1
   
   
 from OFS.Folder import Folder  from OFS.Folder import Folder
 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 App.ImageFile import ImageFile
 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  import xml.etree.ElementTree as ET
 from Ft.Xml.Domlette import PrettyPrint, Print  
 from Ft.Xml import EMPTY_NAMESPACE, Parse  
   
 import Ft.Xml.XPath  import os
   
 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
   
 def logger(txt,method,txt2):  from SrvTxtUtils import getInt, getText, getHttpData, refreshingImageFileIndexHtml
     """logging"""  
     logging.info(txt+ txt2)  
           
   def serializeNode(node, encoding="utf-8"):
       """returns a string containing node as XML"""
       s = ET.tostring(node)
       
       # 4Suite:
       #    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 getInt(number, default=0):      if string.find(ua, 'MSIE') > -1:
     """returns always an int (0 in case of problems)"""          bt['isIE'] = True
       else:
           bt['isN4'] = (string.find(ua, 'Mozilla/4.') > -1)
       # Safari oder Chrome identification    
     try:      try:
         return int(number)          nav = ua[string.find(ua, '('):]
     except:          nav1=ua[string.find(ua,')'):]
         return default          nav2=nav1[string.find(nav1,'('):]
           nav3=nav2[string.find(nav2,')'):]
 def getTextFromNode(nodename):          ie = string.split(nav, "; ")[1]
     """get the cdata content of a node"""          ie1 =string.split(nav1, " ")[2]
     if nodename is None:          ie2 =string.split(nav3, " ")[1]
         return ""          ie3 =string.split(nav3, " ")[2]
     nodelist=nodename.childNodes          if string.find(ie3, "Safari") >-1:
     rc = ""              bt['versSafariChrome']=string.split(ie2, "/")[1]
     for node in nodelist:      except: pass
         if node.nodeType == node.TEXT_NODE:      # IE identification
            rc = rc + node.data      try:
     return rc          nav = ua[string.find(ua, '('):]
           ie = string.split(nav, "; ")[1]
                   if string.find(ie, "MSIE") > -1:
 def getParentDir(path):              bt['versIE'] = string.split(ie, " ")[1]
     """returns pathname shortened by one"""      except:pass
     return '/'.join(path.split('/')[0:-1])      # Firefox identification
               try:
           nav = ua[string.find(ua, '('):]
 import socket          nav1=ua[string.find(ua,')'):]
           if string.find(ie1, "Firefox") >-1:
 def urlopen(url,timeout=2):              nav5= string.split(ie1, "/")[1]
         """urlopen mit timeout"""              logging.debug("FIREFOX: %s"%(nav5))
         socket.setdefaulttimeout(timeout)              bt['versFirefox']=nav5[0:3]                   
         ret=urllib.urlopen(url)      except:pass
         socket.setdefaulttimeout(5)      #Opera identification
         return ret      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])
   
 ##  ##
 ## documentViewer class  ## documentViewer class
 ##  ##
 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 110  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_images = PageTemplateFile('zpt/viewer_images', 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())
       docuviewer_css = ImageFile('css/docuviewer.css',globals())
       # make ImageFile better for development
       docuviewer_css.index_html = refreshingImageFileIndexHtml
   
     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 250  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'
           @param viewType: sub-type of viewMode, e.g. 'dict' for viewMode='text'
           @param tocMode: type of 'table of contents' for navigation (thumbs, text, figures, none)
           """
           
           logging.debug("documentViewer(index_html) mode=%s url=%s viewMode=%s viewType=%s start=%s pn=%s"%(mode,url,viewMode,viewType,start,pn))
           
           if not hasattr(self, 'template'):
               # this won't work
               logging.error("template folder missing!")
               return "ERROR: template folder missing!"
               
           if not getattr(self, 'digilibBaseUrl', None):
               self.digilibBaseUrl = self.findDigilibUrl() or "http://digilib.mpiwg-berlin.mpg.de/digitallibrary"
               
           docinfo = self.getDocinfo(mode=mode,url=url)
           
           if tocMode != "thumbs":
               # get table of contents
               docinfo = self.getToc(mode=tocMode, docinfo=docinfo)
   
           # auto viewMode: text if there is a text else images
           if viewMode=="auto": 
               if docinfo.get('textURL', None) or docinfo.get('textURLPath', None): 
                   viewMode = "text"
                   viewType = "dict"
             else:              else:
                 params[param] = str(val)                  viewMode = "images"
                   
           elif viewMode == "text_dict":
               # legacy fix
               viewMode = "text"
               viewType = "dict"
               
           # stringify viewType
           if isinstance(viewType, list):
               logging.debug("index_html: viewType is list:%s"%viewType)
               viewType = ','.join([t for t in viewType if t])
                           
           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
       
       
       def getBrowser(self):
           """getBrowser the version of browser """
           bt = browserCheck(self)
           logging.debug("BROWSER VERSION: %s"%(bt))
           return bt
                                   
         # quote values and assemble into query string      def findDigilibUrl(self):
         ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()])          """try to get the digilib URL from zogilib"""
         url=self.REQUEST['URL1']+"?"+ps          url = self.template.zogilib.getDLBaseUrl()
         return url          return url
   
       def getScalerUrl(self, fn=None, pn=None, dw=100, dh=100, docinfo=None):
           """returns URL to digilib Scaler with params"""
           url = None
           if docinfo is not None:
               url = docinfo.get('imageURL', None)
               
           if url is None:
               url = "%s/servlet/Scaler?"%self.digilibBaseUrl
               if fn is None and docinfo is not None:
                   fn = docinfo.get('imagePath','')
               
               url += "fn=%s"%fn
               
           if pn:
               url += "&pn=%s"%pn
               
           url += "&dw=%s&dh=%s"%(dw,dh)
           return url
   
       def getDocumentViewerURL(self):
           """returns the URL of this instance"""
           return self.absolute_url()
           
     def getStyle(self, idx, selected, style=""):      def getStyle(self, idx, selected, style=""):
         """returns a string with the given style and append 'sel' if path == selected."""          """returns a string with the given style and append 'sel' if idx == selected."""
         #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))          #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))
         if idx == selected:          if idx == selected:
             return style + 'sel'              return style + 'sel'
         else:          else:
             return style              return style
                   
       def getParams(self, param=None, val=None, params=None, duplicates=None):
           """returns dict with URL parameters.
           
           Takes URL parameters and additionally param=val or dict params.
           Deletes key if value is None."""
           # copy existing request params
           newParams=self.REQUEST.form.copy()
           # change single param
           if param is not None:
               if val is None:
                   if newParams.has_key(param):
                       del newParams[param]
               else:
                   newParams[param] = str(val)
                   
           # change more params
           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()
               
           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 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"
           
           docinfo = self.getDocinfo(mode=mode,url=url)
           pt = getattr(self.template, 'info_xml')
           return pt(docinfo=docinfo)
                   
     def isAccessible(self, docinfo):      def isAccessible(self, docinfo):
         """returns if access to the resource is granted"""          """returns if access to the resource is granted"""
         access = docinfo.get('accessType', None)          access = docinfo.get('accessType', None)
         logger("documentViewer (accessOK)", logging.INFO, "access type %s"%access)          logging.debug("documentViewer (accessOK) access type %s"%access)
         if access is not None and access == 'free':          if access == 'free':
             logger("documentViewer (accessOK)", logging.INFO, "access is free")              logging.debug("documentViewer (accessOK) access is free")
             return True              return True
           
         elif access is None or access in self.authgroups:          elif access is None or access in self.authgroups:
             # only local access -- only logged in users              # only local access -- only logged in users
             user = getSecurityManager().getUser()              user = getSecurityManager().getUser()
               logging.debug("documentViewer (accessOK) user=%s ip=%s"%(user,self.REQUEST.getClientAddr()))
             if user is not None:              if user is not None:
                 #print "user: ", user                  #print "user: ", user
                 return (user.getUserName() != "Anonymous User")                  return (user.getUserName() != "Anonymous User")
             else:              else:
                 return False                  return False
                   
         logger("documentViewer (accessOK)", logging.INFO, "unknown access type %s"%access)          logging.error("documentViewer (accessOK) unknown access type %s"%access)
         return False          return False
           
                                   
     def getDirinfoFromDigilib(self,path,docinfo=None):  
         """gibt param von dlInfo aus"""  
         num_retries = 3  
         if docinfo is None:  
             docinfo = {}  
                           
         infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path      def getDocinfo(self, mode, url):
               """returns docinfo depending on mode"""
         logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo from %s"%(infoUrl))          logging.debug("getDocinfo: mode=%s, url=%s"%(mode,url))
           # look for cached docinfo in session
           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
                   
         for cnt in range(num_retries):          # new docinfo
             try:          docinfo = {'mode': mode, 'url': url}
                 # dom = NonvalidatingReader.parseUri(imageUrl)          # add self url
                 txt=urllib.urlopen(infoUrl).read()          docinfo['viewerUrl'] = self.getDocumentViewerURL()
                 dom = Parse(txt)          docinfo['digilibBaseUrl'] = self.digilibBaseUrl
                 break          # get index.meta DOM
             except:          docUrl = None
                 logger("documentViewer (getdirinfofromdigilib)", logging.ERROR, "error reading %s (try %d)"%(infoUrl,cnt))          metaDom = None
         else:          if mode=="texttool": 
             raise IOError("Unable to get dir-info from %s"%(infoUrl))              # 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!")
                   
         sizes=dom.xpath("//dir/size")          elif mode=="imagepath":
         logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo:size"%sizes)              # url points to folder with images, index.meta optional
               # asssume index.meta in parent dir
               docUrl = getParentPath(url)
               metaDom = self.metadataService.getDomFromPathOrUrl(docUrl)
   
           elif mode=="filepath":
               # url points to image file, index.meta optional
               # asssume index.meta is two path segments up
               docUrl = getParentPath(url, 2)
               metaDom = self.metadataService.getDomFromPathOrUrl(docUrl)
   
           else:
               logging.error("documentViewer (getdocinfo) unknown mode: %s!"%mode)
               raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode))
           
           docinfo['documentUrl'] = docUrl
           # process index.meta contents
           if metaDom is not None and metaDom.tag == 'resource':
               # document directory name and path
               resource = self.metadataService.getResourceData(dom=metaDom)
               if resource:
                   docinfo = self.getDocinfoFromResource(docinfo, resource)
   
               # texttool info
               texttool = self.metadataService.getTexttoolData(dom=metaDom)
               if texttool:
                   docinfo = self.getDocinfoFromTexttool(docinfo, texttool)
               
               # bib info
               bib = self.metadataService.getBibData(dom=metaDom)
               if bib:
                   docinfo = self.getDocinfoFromBib(docinfo, bib)
               else:
                   # no bib - try info.xml
                   docinfo = self.getDocinfoFromPresentationInfoXml(docinfo)
                   
               # 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
                   
         if sizes:      def getDocinfoFromResource(self, docinfo, resource):
             docinfo['numPages'] = int(getTextFromNode(sizes[0]))          """reads contents of resource element into docinfo"""
         else:          docName = resource.get('name', None)
             docinfo['numPages'] = 0          docinfo['documentName'] = docName
           docPath = resource.get('archive-path', None)
           if docPath:
               # clean up document path
               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['documentPath'] = docPath
         return docinfo          return docinfo
           
       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
               imageDir = os.path.join(docPath, imageDir)
               imageDir = imageDir.replace('/mpiwg/online', '', 1)
               docinfo['imagePath'] = imageDir
                           
     def getIndexMeta(self, url):          # old style text URL
         """returns dom of index.meta document at url"""          textUrl = texttool.get('text', None)
         num_retries = 3          if textUrl and docPath:
         dom = None              if urlparse.urlparse(textUrl)[0] == "": #keine url
         metaUrl = None                  textUrl = os.path.join(docPath, textUrl) 
         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              docinfo['textURL'] = textUrl
           
     def getPresentationInfoXML(self, url):          # new style text-url-path
         """returns dom of info.xml document at url"""          textUrl = texttool.get('text-url-path', None)
         num_retries = 3          if textUrl:
         dom = None              docinfo['textURLPath'] = textUrl
         metaUrl = None              
         if url.startswith("http://"):          # page flow
             # real URL          docinfo['pageFlow'] = texttool.get('page-flow', 'ltr')
             metaUrl = url              
           # 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:          else:
             # online path                  docinfo['presentationUrl'] = os.path.join(docPath, presentation)
             server=self.digilibBaseUrl+"/servlet/Texter?fn="  
             metaUrl=server+url.replace("/mpiwg/online","")  
              
           
         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 (getPresentationInfoXML)", logging.INFO,"%s (%s)"%sys.exc_info()[0:2])  
                   
         if dom is None:  
             raise IOError("Unable to read infoXMLfrom %s"%(url))  
                    
         return dom  
                           
                   
     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          return docinfo
           
         if docinfo is None:  
             docinfo = {}  
                           
         if dom is None:      def getDocinfoFromBib(self, docinfo, bib):
             dom = self.getIndexMeta(getParentDir(path))          """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
                 
         acctype = dom.xpath("//access-conditions/access/@type")      def getDocinfoFromAccess(self, docinfo, acc):
         if acctype and (len(acctype)>0):          """reads contents of access element into docinfo"""
             access=acctype[0].value          #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']:              if access in ['group', 'institution']:
                 access = getTextFromNode(dom.xpath("//access-conditions/access/name")[0]).lower()                      access = acc['name'].lower()
                           
         docinfo['accessType'] = access          docinfo['accessType'] = access
         return docinfo  
       
           
     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")  
             try:  
                 docinfo['lang']=getTextFromNode(dom.xpath("//bib/lang")[0])  
             except:              except:
                 docinfo['lang']=''              pass
         return docinfo  
   
           
     def getDocinfoFromTextTool(self,url,dom=None,docinfo=None):  
        """parse texttool tag in index meta"""  
        logger("documentViewer (getdocinfofromtexttool)", logging.INFO,"url: %s"%(url))  
        if docinfo is None:  
            docinfo = {}  
              
        if docinfo.get('lang',None) is None:  
            docinfo['lang']='' # default keine Sprache gesetzt  
        if dom is None:  
            dom = self.getIndexMeta(url)  
          
        archivePath = None  
        archiveName = None  
   
        archiveNames=dom.xpath("//resource/name")  
        if archiveNames and (len(archiveNames)>0):  
            archiveName=getTextFromNode(archiveNames[0])  
        else:  
            logger("documentViewer (getdocinfofromtexttool)", logging.WARNING,"resource/name missing in: %s"%(url))  
                 
        archivePaths=dom.xpath("//resource/archive-path")          return docinfo
        if archivePaths and (len(archivePaths)>0):  
            archivePath=getTextFromNode(archivePaths[0])  
            # clean up archive path  
            if archivePath[0] != '/':  
                archivePath = '/' + archivePath  
            if archiveName and (not archivePath.endswith(archiveName)):  
                archivePath += "/" + archiveName  
        else:  
            # try to get archive-path from url  
            logger("documentViewer (getdocinfofromtexttool)", logging.WARNING,"resource/archive-path missing in: %s"%(url))  
            if (not url.startswith('http')):  
                archivePath = url.replace('index.meta', '')  
                                 
        if archivePath is None:      def getDocinfoFromDigilib(self, docinfo, path):
            # we balk without archive-path          infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path
            raise IOError("Missing archive-path (for text-tool) in %s"%(url))          # fetch data
           txt = getHttpData(infoUrl)
           if not txt:
               logging.error("Unable to get dir-info from %s"%(infoUrl))
               return docinfo
                 
        imageDirs=dom.xpath("//texttool/image")          dom = ET.fromstring(txt)
        if imageDirs and (len(imageDirs)>0):          size = getText(dom.find("size"))
            imageDir=getTextFromNode(imageDirs[0])          logging.debug("getDocinfoFromDigilib: size=%s"%size)
           if size:
               docinfo['numPages'] = int(size)
        else:         else:
            # we balk with no image tag / not necessary anymore because textmode is now standard              docinfo['numPages'] = 0
            #raise IOError("No text-tool info in %s"%(url))  
            imageDir=""  
            docinfo['numPages']=1 # im moment einfach auf eins setzen, navigation ueber die thumbs geht natuerlich nicht  
          
            docinfo['imagePath'] = "" # keine Bilder  
            docinfo['imageURL'] = ""  
   
        if imageDir and archivePath:  
            #print "image: ", imageDir, " archivepath: ", archivePath  
            imageDir=os.path.join(archivePath,imageDir)  
            imageDir=imageDir.replace("/mpiwg/online",'')  
            docinfo=self.getDirinfoFromDigilib(imageDir,docinfo=docinfo)  
            docinfo['imagePath'] = imageDir  
            docinfo['imageURL'] = self.digilibBaseUrl+"/servlet/Scaler?fn="+imageDir  
              
        viewerUrls=dom.xpath("//texttool/digiliburlprefix")  
        if viewerUrls and (len(viewerUrls)>0):  
            viewerUrl=getTextFromNode(viewerUrls[0])  
            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  
                textUrl=os.path.join(archivePath,textUrl)   
   
            docinfo['textURL'] = textUrl  
      
        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   
             # presentation url ergiebt sich ersetzen von index.meta in der url der fŸr die Metadaten  
             # durch den relativen Pfad auf die presentation infos  
            presentationUrl=url.replace('index.meta',getTextFromNode(presentationUrls[0]))  
            docinfo = self.getBibinfoFromTextToolPresentation(presentationUrl,docinfo=docinfo,dom=dom)  
   
        docinfo = self.getAuthinfoFromIndexMeta(path,docinfo=docinfo)          # TODO: produce and keep list of image names and numbers
        return docinfo         return docinfo
         
         
     def getBibinfoFromTextToolPresentation(self,url,docinfo=None,dom=None):      def getDocinfoFromPresentationInfoXml(self,docinfo):
         """gets the bibliographical information from the preseantion entry in texttools          """gets DC-like bibliographical information from the presentation entry in texttools"""
         """          url = docinfo.get('presentationUrl', None)
         dom=self.getPresentationInfoXML(url)          if not url:
         docinfo['author']=getTextFromNode(dom.xpath("//author")[0])              logging.error("getDocinfoFromPresentation: no URL!")
         docinfo['title']=getTextFromNode(dom.xpath("//title")[0])  
         docinfo['year']=getTextFromNode(dom.xpath("//date")[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)  
         docinfo = self.getAuthinfoFromIndexMeta(path,docinfo=docinfo)  
         return docinfo          return docinfo
           
           dom = None
           metaUrl = None
           if url.startswith("http://"):
               # real URL
               metaUrl = url
           else:
               # online path
           
     def getDocinfo(self, mode, url):              server=self.digilibBaseUrl+"/servlet/Texter?fn="
         """returns docinfo depending on mode"""              metaUrl=server+url
         logger("documentViewer (getdocinfo)", logging.INFO,"mode: %s, url: %s"%(mode,url))          
         # look for cached docinfo in session          txt=getHttpData(metaUrl)
         if self.REQUEST.SESSION.has_key('docinfo'):          if txt is None:
             docinfo = self.REQUEST.SESSION['docinfo']              logging.error("Unable to read info.xml from %s"%(url))
             # 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}  
         if mode=="texttool": #index.meta with texttool information  
             docinfo = self.getDocinfoFromTextTool(url, docinfo=docinfo)  
         elif mode=="imagepath":  
             docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo)  
         else:  
             logger("documentViewer (getdocinfo)", logging.ERROR,"unknown mode!")  
             raise ValueError("Unknown mode %s"%(mode))  
                                                   
         logger("documentViewer (getdocinfo)", logging.INFO,"docinfo: %s"%docinfo)          dom = ET.fromstring(txt)
         self.REQUEST.SESSION['docinfo'] = docinfo          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
           
         list=[]          nb = int(math.ceil(maxIdx / float(grpsize)))
         nodes=dom.xpath("//pb")          # list of all batch start and end points
           batches = []
           if pageZero:
               ofs = 0
           else:
               ofs = 1
   
         node=nodes[int(pn)-1]          for i in range(nb):
               s = i * grpsize + ofs
               e = min((i + 1) * grpsize + ofs - 1, maxIdx)
               batches.append({'start':s, 'end':e})
                   
         p=node          batch['batches'] = batches
                   
         while p.tagName!="p":          pages = []
             p=p.parentNode          if pageZero and start == 1:
               # correct beginning
               idx = 0
           else:
               idx = start
                   
           for r in range(rows):
               row = []
               for c in range(cols):
                   if idx < minIdx or idx > maxIdx:
                       page = {'idx':None}
                   else:
                       page = {'idx':idx}
                   
         endNode=nodes[int(pn)]                  idx += 1
                   if pageFlowLtr:
                       row.append(page)
                   else:
                       row.insert(0, page) 
                   
               pages.append(row)
                   
         e=endNode          if start > 1:
               batch['prevStart'] = max(start - grpsize, 1)
           else:
               batch['prevStart'] = None
                   
         while e.tagName!="p":          if start + grpsize < maxIdx:
             e=e.parentNode              batch['nextStart'] = start + grpsize
           else:
               batch['nextStart'] = None
                   
           batch['pages'] = pages
           return batch
                   
         next=node.parentNode      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                    
                   
         #sammle s          nb = int(math.ceil(end / float(size)))
         while next and (next!=endNode.parentNode):          # list of all batch start and end points
             list.append(next)              batches = []
             next=next.nextSibling              for i in range(nb):
         list.append(endNode.parentNode)              s = i * size + 1
               e = min((i + 1) * size, end)
               batches.append({'start':s, 'end':e})
                   
         if p==e:# beide im selben paragraphen          batch['batches'] = batches
             pass          # list of elements in this batch
 #    else:          this = []
 #            next=p          j = 0
 #            while next!=e:          for i in range(start, min(start+size, end)):
 #                print next,e              if data:
 #                list.append(next)                  if fullData:
 #                next=next.nextSibling                      d = data[i]
 #                              else:
 #        for x in list:                      d = data[j]
 #            PrettyPrint(x)                      j += 1
 #  
 #        return list  
 #  
   
     def findDigilibUrl(self):              else:
         """try to get the digilib URL from zogilib"""                  d = i+1
         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:              this.append(d)
             if urlparse.urlparse(url)[0]=='': #relative path              
                 url=urlparse.urljoin(self.absolute_url()+"/",url)          batch['this'] = this
           if start > 1:
               batch['prevStart'] = max(start - size, 1)
           else:
               batch['prevStart'] = None
               
           if start + size < end:
               batch['nextStart'] = start + size
           else:
               batch['nextStart'] = None
           
           return batch
                                   
             scaler = urlopen(url).read()  
             return scaler.replace("/servlet/Scaler?", "")  
         except:  
             return None  
           
     def changeDocumentViewer(self,imageViewerUrl,textViewerUrl,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=10,authgroups='mpiwg',RESPONSE=None):      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  
 ##  
 class DocumentViewerTemplate(ZopePageTemplate):  
     """Template for document viewer"""  
     meta_type="DocumentViewer Template"  
   
   
 def manage_addDocumentViewerTemplateForm(self):  
     """Form for adding"""  
     pt=PageTemplateFile('zpt/addDocumentViewerTemplate', globals()).__of__(self)  
     return pt()  
   
 def manage_addDocumentViewerTemplate(self, id='viewer_main', title=None, text=None,  
                            REQUEST=None, submit=None):  
     "Add a Page Template with optional file content."  
   
     self._setObject(id, DocumentViewerTemplate(id))  
     ob = getattr(self, id)  
     txt=file(os.path.join(package_home(globals()),'zpt/viewer_main.zpt'),'r').read()  
     logging.info("txt %s:"%txt)  
     ob.pt_edit(txt,"text/html")  
     if title:  
         ob.pt_setTitle(title)  
     try:  
         u = self.DestinationURL()  
     except AttributeError:  
         u = REQUEST['URL1']  
           
     u = "%s/%s" % (u, urllib.quote(id))  
     REQUEST.RESPONSE.redirect(u+'/manage_main')  
     return ''  
   
   
       
Removed from v.1.24  
changed lines
  Added in v.1.175.2.33

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