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Diff for /documentViewer/documentViewer.py between versions 1.168 and 1.175.2.31

version 1.168, 2011/02/18 11:21:46 version 1.175.2.31, 2011/08/24 08:58:20
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 Products.ZSimpleFile.ZSimpleFile import ZSimpleFile
 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 Products.zogiLib.zogiLib import browserCheck  
   
 from Ft.Xml import EMPTY_NAMESPACE, Parse  import xml.etree.ElementTree as ET
 import Ft.Xml.Domlette  
 import os.path  import os.path
 import sys  import sys
 import urllib  import urllib
 import urllib2  
 import logging  import logging
 import math  import math
 import urlparse   import urlparse 
 import cStringIO  
 import re  import re
 import string  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)"""  
     try:  
         return int(number)  
     except:  
         return int(default)  
   
 def getTextFromNode(nodename):  
     """get the cdata content of a node"""  
     if nodename is None:  
         return ""  
     nodelist=nodename.childNodes  
     rc = ""  
     for node in nodelist:  
         if node.nodeType == node.TEXT_NODE:  
            rc = rc + node.data  
     return rc  
   
 def serializeNode(node, encoding='utf-8'):  
     """returns a string containing node as XML"""      """returns a string containing node as XML"""
     buf = cStringIO.StringIO()      s = ET.tostring(node)
     Ft.Xml.Domlette.Print(node, stream=buf, encoding=encoding)      
     s = buf.getvalue()      # 4Suite:
     buf.close()      #    stream = cStringIO.StringIO()
       #    Ft.Xml.Domlette.Print(node, stream=stream, encoding=encoding)
       #    s = stream.getvalue()
       #    stream.close()
     return s      return s
   
 def browserCheck(self):  def browserCheck(self):
Line 112  def browserCheck(self): Line 97  def browserCheck(self):
   
     return bt      return bt
   
          def getParentPath(path, cnt=1):
 def getParentDir(path):      """returns pathname shortened by cnt"""
     """returns pathname shortened by one"""      # make sure path doesn't end with /
     return '/'.join(path.split('/')[0:-1])      path = path.rstrip('/')
               # split by /, shorten, and reassemble
       return '/'.join(path.split('/')[0:-cnt])
 def getHttpData(url, data=None, num_tries=3, timeout=10):  
     """returns result from url+data HTTP request"""  
     # we do GET (by appending data to url)  
     if isinstance(data, str) or isinstance(data, unicode):  
         # if data is string then append  
         url = "%s?%s"%(url,data)  
     elif isinstance(data, dict) or isinstance(data, list) or isinstance(data, tuple):  
         # urlencode  
         url = "%s?%s"%(url,urllib.urlencode(data))  
       
     response = None  
     errmsg = None  
     for cnt in range(num_tries):  
         try:  
             logging.debug("getHttpData(#%s %ss) url=%s"%(cnt+1,timeout,url))  
             if sys.version_info < (2, 6):  
                 # set timeout on socket -- ugly :-(  
                 import socket  
                 socket.setdefaulttimeout(float(timeout))  
                 response = urllib2.urlopen(url)  
             else:  
                 response = urllib2.urlopen(url,timeout=float(timeout))  
             # check result?  
             break  
         except urllib2.HTTPError, e:  
             logging.error("getHttpData: HTTP error(%s): %s"%(e.code,e))  
             errmsg = str(e)  
             # stop trying  
             break  
         except urllib2.URLError, e:  
             logging.error("getHttpData: URLLIB error(%s): %s"%(e.reason,e))  
             errmsg = str(e)  
             # stop trying  
             #break  
   
     if response is not None:  
         data = response.read()  
         response.close()  
         return data  
       
     raise IOError("ERROR fetching HTTP data from %s: %s"%(url,errmsg))  
     #return None  
   
   
   
 ##  ##
Line 175  class documentViewer(Folder): Line 117  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())
     toc_thumbs = PageTemplateFile('zpt/toc_thumbs', globals())      toc_thumbs = PageTemplateFile('zpt/toc_thumbs', globals())
     toc_text = PageTemplateFile('zpt/toc_text', globals())      toc_text = PageTemplateFile('zpt/toc_text', globals())
Line 188  class documentViewer(Folder): Line 135  class documentViewer(Folder):
     page_main_xml = PageTemplateFile('zpt/page_main_xml', globals())      page_main_xml = PageTemplateFile('zpt/page_main_xml', globals())
     page_main_pureXml = PageTemplateFile('zpt/page_main_pureXml', 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())      info_xml = PageTemplateFile('zpt/info_xml', globals())
       # TODO: can this be nicer?
       docuviewer_css = ImageFile('css/docuviewer.css',globals())
           
           
     thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals())      thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals())
     security.declareProtected('View management screens','changeDocumentViewerForm')      
     changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())  
   
           
     def __init__(self,id,imageScalerUrl=None,textServerName=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=5,authgroups="mpiwg"):      def __init__(self,id,imageScalerUrl=None,textServerName=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=5,authgroups="mpiwg"):
Line 217  class documentViewer(Folder): Line 163  class documentViewer(Folder):
             templateFolder._setObject('fulltextclient',textServer)              templateFolder._setObject('fulltextclient',textServer)
         except Exception, e:          except Exception, e:
             logging.error("Unable to create MpdlXmlTextServer for fulltextclient: "+str(e))              logging.error("Unable to create MpdlXmlTextServer for fulltextclient: "+str(e))
               
         try:          try:
             from Products.zogiLib.zogiLib import zogiLib              from Products.zogiLib.zogiLib import zogiLib
             zogilib = zogiLib(id="zogilib", title="zogilib for docuviewer", dlServerURL=imageScalerUrl, layout="book")              zogilib = zogiLib(id="zogilib", title="zogilib for docuviewer", dlServerURL=imageScalerUrl, layout="book")
Line 225  class documentViewer(Folder): Line 172  class documentViewer(Folder):
         except Exception, e:          except Exception, e:
             logging.error("Unable to create zogiLib for zogilib: "+str(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      # proxy text server methods to fulltextclient
     def getTextPage(self, **args):      def getTextPage(self, **args):
         """get page"""          """get page"""
         return self.template.fulltextclient.getTextPage(**args)          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):      def getQuery(self, **args):
         """get query in search"""          """get query in search"""
         return self.template.fulltextclient.getQuery(**args)          return self.template.fulltextclient.getQuery(**args)
Line 247  class documentViewer(Folder): Line 211  class documentViewer(Folder):
         """get all gis places """          """get all gis places """
         return self.template.fulltextclient.getAllGisPlaces(**args)          return self.template.fulltextclient.getAllGisPlaces(**args)
                 
     def getTranslate(self, **args):      def getWordInfo(self, **args):
         """get translate"""          """get translate"""
         return self.template.fulltextclient.getTranslate(**args)          return self.template.fulltextclient.getWordInfo(**args)
   
     def getLemma(self, **args):      def getLemma(self, **args):
         """get lemma"""          """get lemma"""
         return self.template.fulltextclient.getLemma(**args)          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):      def getToc(self, **args):
         """get toc"""          """get toc"""
         return self.template.fulltextclient.getToc(**args)          return self.template.fulltextclient.getToc(**args)
Line 274  class documentViewer(Folder): Line 246  class documentViewer(Folder):
                   
         '''          '''
         logging.debug("HHHHHHHHHHHHHH:load the rss")          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 297  class documentViewer(Folder): Line 269  class documentViewer(Folder):
                                 
         return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)          return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)
       
     
     security.declareProtected('View','index_html')      security.declareProtected('View','index_html')
     def index_html(self,url,mode="texttool",viewMode="auto",tocMode="thumbs",start=None,pn=1,mk=None):      def index_html(self,url,mode="texttool",viewMode="auto",viewType=None,tocMode="thumbs",start=1,pn=1):
         '''          """
         view it          view page
         @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 auto (text,images or auto)          @param mode: defines how to access the document behind url 
           @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)          @param tocMode: type of 'table of contents' for navigation (thumbs, text, figures, none)
         @param characterNormalization type of text display (reg, norm, none)          """
         @param querySearch: type of different search modes (fulltext, fulltextMorph, xpath, xquery, ftIndex, ftIndexMorph, fulltextMorphLemma)  
         '''  
                   
         logging.debug("documentViewer (index) mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))          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'):          if not hasattr(self, 'template'):
             # this won't work              # this won't work
Line 325  class documentViewer(Folder): Line 297  class documentViewer(Folder):
             # get table of contents              # get table of contents
             docinfo = self.getToc(mode=tocMode, docinfo=docinfo)              docinfo = self.getToc(mode=tocMode, docinfo=docinfo)
                           
         if viewMode=="auto": # automodus gewaehlt          # auto viewMode: text if there is a text else images
             if docinfo.has_key('textURL') or docinfo.get('textURLPath',None): #texturl gesetzt und textViewer konfiguriert          if viewMode=="auto": 
                 viewMode="text_dict"              if docinfo.get('textURL', None) or docinfo.get('textURLPath', None): 
                   viewMode = "text"
                   viewType = "dict"
             else:              else:
                 viewMode="images"                  viewMode="images"
                                   
         pageinfo = self.getPageinfo(start=start,current=pn, docinfo=docinfo,viewMode=viewMode,tocMode=tocMode)          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
                   
         if (docinfo.get('textURLPath',None)):          # and execute with parameters
             page = self.getTextPage(docinfo=docinfo, pageinfo=pageinfo)          return pt(docinfo=docinfo, pageinfo=pageinfo)
             pageinfo['textPage'] = page  
         tt = getattr(self, 'template')     
         pt = getattr(tt, 'viewer_main')                 
         return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode,mk=self.generateMarks(mk))  
       
     def generateMarks(self,mk):      def generateMarks(self,mk):
         ret=""          ret=""
Line 362  class documentViewer(Folder): Line 349  class documentViewer(Folder):
         url = self.template.zogilib.getDLBaseUrl()          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):      def getDocumentViewerURL(self):
         """returns the URL of this instance"""          """returns the URL of this instance"""
         return self.absolute_url()          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 getLink(self, param=None, val=None, params=None, baseUrl=None, paramSep='&'):      def getParams(self, param=None, val=None, params=None, duplicates=None):
         """returns URL to documentviewer with parameter param set to val or from dict params"""          """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          # copy existing request params
         urlParams=self.REQUEST.form.copy()          newParams=self.REQUEST.form.copy()
         # change single param          # change single param
         if param is not None:          if param is not None:
             if val is None:              if val is None:
                 if urlParams.has_key(param):                  if newParams.has_key(param):
                     del urlParams[param]                      del newParams[param]
             else:              else:
                 urlParams[param] = str(val)                  newParams[param] = str(val)
                                   
         # change more params          # change more params
         if params is not None:          if params is not None:
             for k in params.keys():              for (k, v) in params.items():
                 v = params[k]  
                 if v is None:                  if v is None:
                     # val=None removes param                      # val=None removes param
                     if urlParams.has_key(k):                      if newParams.has_key(k):
                         del urlParams[k]                          del newParams[k]
                                                   
                 else:                  else:
                     urlParams[k] = v                      newParams[k] = v
   
         # FIXME: does this belong here?          if duplicates:
         if urlParams.get("mode", None) == "filepath": #wenn beim erst Aufruf filepath gesetzt wurde aendere das nun zu imagepath              # eliminate lists (coming from duplicate keys)
                 urlParams["mode"] = "imagepath"              for (k,v) in newParams.items():
                 urlParams["url"] = getParentDir(urlParams["url"])                  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 '/')          # quote values and assemble into query string (not escaping '/')
         ps = paramSep.join(["%s=%s"%(k,urllib.quote_plus(v,'/')) for (k, v) in urlParams.items()])          ps = paramSep.join(["%s=%s"%(k,urllib.quote_plus(unicode(v),'/')) for (k, v) in urlParams.items()])
         #ps = urllib.urlencode(urlParams)  
         if baseUrl is None:          if baseUrl is None:
             baseUrl = self.REQUEST['URL1']              baseUrl = self.getDocumentViewerURL()
                           
         url = "%s?%s"%(baseUrl, ps)          url = "%s?%s"%(baseUrl, ps)
         return url          return url
   
       def getLinkAmp(self, param=None, val=None, params=None, baseUrl=None, duplicates='comma'):
     def getLinkAmp(self, param=None, val=None, params=None, baseUrl=None):  
         """link to documentviewer with parameter param set to val"""          """link to documentviewer with parameter param set to val"""
         return self.getLink(param, val, params, baseUrl, '&amp;')          return self.getLink(param=param, val=val, params=params, baseUrl=baseUrl, paramSep='&amp;', duplicates=duplicates)
       
           
     def getInfo_xml(self,url,mode):      def getInfo_xml(self,url,mode):
         """returns info about the document as XML"""          """returns info about the document as XML"""
   
         if not self.digilibBaseUrl:          if not self.digilibBaseUrl:
             self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"              self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
                   
Line 427  class documentViewer(Folder): Line 444  class documentViewer(Folder):
         pt = getattr(self.template, 'info_xml')          pt = getattr(self.template, 'info_xml')
         return pt(docinfo=docinfo)          return pt(docinfo=docinfo)
   
     def getOptionToggle(self, newState=None, optionName='text_options_open', initialState=True):  
         """returns new option state"""  
         if not self.REQUEST.SESSION.has_key(optionName):  
             # not in session -- initial  
             opt = {'lastState': newState, 'state': initialState}  
         else:  
             opt = self.REQUEST.SESSION.get(optionName)  
             if opt['lastState'] != newState:  
                 # state in session has changed -- toggle  
                 opt['state'] = not opt['state']  
                 opt['lastState'] = newState  
           
         self.REQUEST.SESSION[optionName] = opt  
         return opt['state']  
       
     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)
         logging.debug("documentViewer (accessOK) access type %s"%access)          logging.debug("documentViewer (accessOK) access type %s"%access)
         if access is not None and access == 'free':          if access == 'free':
             logging.debug("documentViewer (accessOK) 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()
Line 463  class documentViewer(Folder): Line 466  class documentViewer(Folder):
         return False          return False
           
                                   
     def getDirinfoFromDigilib(self,path,docinfo=None,cut=0):  
         """gibt param von dlInfo aus"""  
         if docinfo is None:  
             docinfo = {}  
           
         for x in range(cut):  
                  
                 path=getParentDir(path)  
          
         infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path  
       
         logging.debug("documentViewer (getparamfromdigilib) dirInfo from %s"%(infoUrl))  
           
         txt = getHttpData(infoUrl)  
         if txt is None:  
             raise IOError("Unable to get dir-info from %s"%(infoUrl))  
   
         dom = Parse(txt)  
         sizes=dom.xpath("//dir/size")  
         logging.debug("documentViewer (getparamfromdigilib) dirInfo:size"%sizes)  
           
         if sizes:  
             docinfo['numPages'] = int(getTextFromNode(sizes[0]))  
         else:  
             docinfo['numPages'] = 0  
               
         # TODO: produce and keep list of image names and numbers  
                                                   
       def getDocinfo(self, mode, url):
           """returns docinfo depending on mode"""
           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          return docinfo
           
     def getIndexMetaPath(self,url):          # new docinfo
         """gib nur den Pfad zurueck"""          docinfo = {'mode': mode, 'url': url}
         regexp = re.compile(r".*(experimental|permanent)/(.*)")          # add self url
         regpath = regexp.match(url)          docinfo['viewerUrl'] = self.getDocumentViewerURL()
         if (regpath==None):          docinfo['digilibBaseUrl'] = self.digilibBaseUrl
             return ""          # get index.meta DOM
         logging.debug("(getDomFromIndexMeta): URLXAXA: %s"%regpath.group(2))                      docUrl = None
         return ("/mpiwg/online/"+regpath.group(1)+"/"+regpath.group(2))          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!")
           
           elif mode=="imagepath":
               # url points to folder with images, index.meta optional
               # asssume index.meta in parent dir
               docUrl = getParentPath(url)
               metaDom = self.metadataService.getDomFromPathOrUrl(docUrl)
           
     def getIndexMetaUrl(self,url):          elif mode=="filepath":
         """returns utr  of index.meta document at url"""              # 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)
               
         metaUrl = None  
         if url.startswith("http://"):  
             # real URL  
             metaUrl = url  
         else:          else:
             # online path              logging.error("documentViewer (getdocinfo) unknown mode: %s!"%mode)
             server=self.digilibBaseUrl+"/servlet/Texter?fn="              raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode))
             metaUrl=server+url.replace("/mpiwg/online","")  
             if not metaUrl.endswith("index.meta"):  
                 metaUrl += "/index.meta"  
           
         return metaUrl  
       
     def getDomFromIndexMeta(self, url):  
         """get dom from index meta"""  
         dom = None  
         metaUrl = self.getIndexMetaUrl(url)  
                   
         logging.debug("(getDomFromIndexMeta): METAURL: %s"%metaUrl)  
         txt=getHttpData(metaUrl)  
         if txt is None:  
             raise IOError("Unable to read index meta from %s"%(url))  
           
         dom = Parse(txt)  
         return dom  
       
     def getPresentationInfoXML(self, url):  
         """returns dom of info.xml document at url"""  
         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","")  
           
         txt=getHttpData(metaUrl)  
         if txt is None:  
             raise IOError("Unable to read infoXMLfrom %s"%(url))  
               
         dom = Parse(txt)  
         return dom  
                           
           
     def getAuthinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):  
         """gets authorization info from the index.meta file at path or given by dom"""  
         logging.debug("documentViewer (getauthinfofromindexmeta) path: %s"%(path))  
           
         access = None  
           
         if docinfo is None:  
             docinfo = {}  
               
         if dom is None:  
             for x in range(cut):  
                 path=getParentDir(path)  
             dom = self.getDomFromIndexMeta(path)  
          
         acctype = dom.xpath("//access-conditions/access/@type")  
         if acctype and (len(acctype)>0):  
             access=acctype[0].value  
             if access in ['group', 'institution']:  
                 access = getTextFromNode(dom.xpath("//access-conditions/access/name")[0]).lower()  
                           
         docinfo['accessType'] = access          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          return docinfo
           
       def getDocinfoFromResource(self, docinfo, resource):
           """reads contents of resource element into docinfo"""
           docName = resource.get('name', None)
           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)
                   
     def getBibinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):          docinfo['documentPath'] = docPath
         """gets bibliographical info from the index.meta file at path or given by dom"""  
         logging.debug("documentViewer (getbibinfofromindexmeta) path: %s"%(path))  
           
         if docinfo is None:  
             docinfo = {}  
           
         if dom is None:  
             for x in range(cut):  
                 path=getParentDir(path)  
             dom = self.getDomFromIndexMeta(path)  
           
         docinfo['indexMetaPath']=self.getIndexMetaPath(path);  
           
         logging.debug("documentViewer (getbibinfofromindexmeta cutted) path: %s"%(path))  
         # put in all raw bib fields as dict "bib"  
         bib = dom.xpath("//bib/*")  
         if bib and len(bib)>0:  
             bibinfo = {}  
             for e in bib:  
                 bibinfo[e.localName] = getTextFromNode(e)  
             docinfo['bib'] = bibinfo  
           
         # extract some fields (author, title, year) according to their mapping  
         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)  
         docinfo['bib_type'] = bibtype  
         bibmap=metaData.generateMappingForType(bibtype)  
         logging.debug("documentViewer (getbibinfofromindexmeta) bibmap:"+repr(bibmap))  
         logging.debug("documentViewer (getbibinfofromindexmeta) bibtype:"+repr(bibtype))  
         # if there is no mapping bibmap is empty (mapping sometimes has empty fields)  
         if len(bibmap) > 0 and len(bibmap['author'][0]) > 0:  
             try:  
                 docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['author'][0])[0])  
             except: pass  
             try:  
                 docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['title'][0])[0])  
             except: pass  
             try:  
                 docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['year'][0])[0])  
             except: pass  
             logging.debug("documentViewer (getbibinfofromindexmeta) using mapping for %s"%bibtype)  
             try:  
                 docinfo['lang']=getTextFromNode(dom.xpath("//bib/lang")[0])  
             except:  
                 docinfo['lang']=''  
             try:  
                 docinfo['city']=getTextFromNode(dom.xpath("//bib/city")[0])  
             except:  
                 docinfo['city']=''  
             try:  
                 docinfo['number_of_pages']=getTextFromNode(dom.xpath("//bib/number_of_pages")[0])  
             except:  
                 docinfo['number_of_pages']=''  
             try:  
                 docinfo['series_volume']=getTextFromNode(dom.xpath("//bib/series_volume")[0])  
             except:  
                 docinfo['series_volume']=''  
             try:  
                 docinfo['number_of_volumes']=getTextFromNode(dom.xpath("//bib/number_of_volumes")[0])  
             except:  
                 docinfo['number_of_volumes']=''  
             try:  
                 docinfo['translator']=getTextFromNode(dom.xpath("//bib/translator")[0])  
             except:  
                 docinfo['translator']=''  
             try:  
                 docinfo['edition']=getTextFromNode(dom.xpath("//bib/edition")[0])  
             except:  
                 docinfo['edition']=''  
             try:  
                 docinfo['series_author']=getTextFromNode(dom.xpath("//bib/series_author")[0])  
             except:  
                 docinfo['series_author']=''  
             try:  
                 docinfo['publisher']=getTextFromNode(dom.xpath("//bib/publisher")[0])  
             except:  
                 docinfo['publisher']=''  
             try:  
                 docinfo['series_title']=getTextFromNode(dom.xpath("//bib/series_title")[0])  
             except:  
                 docinfo['series_title']=''  
             try:  
                 docinfo['isbn_issn']=getTextFromNode(dom.xpath("//bib/isbn_issn")[0])  
             except:  
                 docinfo['isbn_issn']=''             
         return docinfo          return docinfo
           
            def getDocinfoFromTexttool(self, docinfo, texttool):
     def getNameFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):          """reads contents of texttool element into docinfo"""
         """gets name info from the index.meta file at path or given by dom"""          # image dir
         if docinfo is None:          imageDir = texttool.get('image', None)
             docinfo = {}          docPath = docinfo.get('documentPath', None)
                   if imageDir and docPath:
         if dom is None:  
             for x in range(cut):  
                 path=getParentDir(path)  
             dom = self.getDomFromIndexMeta(path)  
   
         docinfo['name']=getTextFromNode(dom.xpath("/resource/name")[0])  
         logging.debug("documentViewer docinfo[name] %s"%docinfo['name'])  
         return docinfo  
       
     def getDocinfoFromTextTool(self, url, dom=None, docinfo=None):  
         """parse texttool tag in index meta"""  
         logging.debug("documentViewer (getdocinfofromtexttool) 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.getDomFromIndexMeta(url)  
           
         archivePath = None  
         archiveName = None  
       
         archiveNames = dom.xpath("//resource/name")  
         if archiveNames and (len(archiveNames) > 0):  
             archiveName = getTextFromNode(archiveNames[0])  
         else:  
             logging.warning("documentViewer (getdocinfofromtexttool) resource/name missing in: %s" % (url))  
           
         archivePaths = dom.xpath("//resource/archive-path")  
         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  
             logging.warning("documentViewer (getdocinfofromtexttool) resource/archive-path missing in: %s" % (url))  
             if (not url.startswith('http')):  
                 archivePath = url.replace('index.meta', '')  
                   
         if archivePath is None:  
             # we balk without archive-path  
             raise IOError("Missing archive-path (for text-tool) in %s" % (url))  
           
         imageDirs = dom.xpath("//texttool/image")  
         if imageDirs and (len(imageDirs) > 0):  
             imageDir = getTextFromNode(imageDirs[0])  
               
         else:  
             # we balk with no image tag / not necessary anymore because textmode is now standard  
             #raise IOError("No text-tool info in %s"%(url))  
             imageDir = ""  
             #xquery="//pb"    
             docinfo['imagePath'] = "" # keine Bilder  
             docinfo['imageURL'] = ""  
               
         if imageDir and archivePath:  
             #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")  
         if viewerUrls and (len(viewerUrls) > 0):  
             viewerUrl = getTextFromNode(viewerUrls[0])  
             docinfo['viewerURL'] = viewerUrl  
           
         # old style text URL          # old style text URL
         textUrls = dom.xpath("//texttool/text")          textUrl = texttool.get('text', None)
         if textUrls and (len(textUrls) > 0):          if textUrl and docPath:
             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) 
             # fix URLs starting with /mpiwg/online  
             if textUrl.startswith("/mpiwg/online"):  
                 textUrl = textUrl.replace("/mpiwg/online", '', 1)  
                           
             docinfo['textURL'] = textUrl              docinfo['textURL'] = textUrl
           
         # new style text-url-path          # new style text-url-path
         textUrls = dom.xpath("//texttool/text-url-path")          textUrl = texttool.get('text-url-path', None)
         if textUrls and (len(textUrls) > 0):          if textUrl:
             textUrl = getTextFromNode(textUrls[0])  
             docinfo['textURLPath'] = textUrl              docinfo['textURLPath'] = textUrl
             #if not docinfo['imagePath']:  
                 # text-only, no page images  
                 #docinfo = self.getNumTextPages(docinfo)  
                                       
           # page flow
           docinfo['pageFlow'] = texttool.get('page-flow', 'ltr')
                     
         presentationUrls = dom.xpath("//texttool/presentation")          # odd pages are left
         docinfo = self.getBibinfoFromIndexMeta(url, docinfo=docinfo, dom=dom)   # get info von bib tag          docinfo['oddPage'] = texttool.get('odd-scan-position', 'left')
         docinfo = self.getNameFromIndexMeta(url, docinfo=docinfo, dom=dom)  
                   
           # number of title page (0: not defined)
           docinfo['titlePage'] = texttool.get('title-scan-no', 0)
                   
         if presentationUrls and (len(presentationUrls) > 0): # ueberschreibe diese durch presentation informationen           # old presentation stuff
              # presentation url ergiebt sich ersetzen von index.meta in der url der fuer die Metadaten          presentation = texttool.get('presentation', None)
              # durch den relativen Pfad auf die presentation infos          if presentation and docPath:
             presentationPath = getTextFromNode(presentationUrls[0])              if presentation.startswith('http:'):
             if url.endswith("index.meta"):                   docinfo['presentationUrl'] = presentation
                 presentationUrl = url.replace('index.meta', presentationPath)  
             else:              else:
                 presentationUrl = url + "/" + presentationPath                  docinfo['presentationUrl'] = os.path.join(docPath, presentation)
                                   
             docinfo = self.getBibinfoFromTextToolPresentation(presentationUrl, docinfo=docinfo, dom=dom)  
           
         docinfo = self.getAuthinfoFromIndexMeta(url, docinfo=docinfo, dom=dom)   # get access info          return docinfo
                   
       def getDocinfoFromBib(self, docinfo, bib):
           """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          return docinfo
         
       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
         
     def getBibinfoFromTextToolPresentation(self,url,docinfo=None,dom=None):  
         """gets the bibliographical information from the preseantion entry in texttools  
         """  
         dom=self.getPresentationInfoXML(url)  
         try:  
             docinfo['author']=getTextFromNode(dom.xpath("//author")[0])  
         except:  
             pass  
         try:  
             docinfo['title']=getTextFromNode(dom.xpath("//title")[0])  
         except:  
             pass  
         try:  
             docinfo['year']=getTextFromNode(dom.xpath("//date")[0])  
         except:          except:
             pass              pass
           
         return docinfo          return docinfo
           
     def getDocinfoFromImagePath(self,path,docinfo=None,cut=0):      def getDocinfoFromDigilib(self, docinfo, path):
         """path ist the path to the images it assumes that the index.meta file is one level higher."""          infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path
         logging.debug("documentViewer (getdocinfofromimagepath) path: %s"%(path))          # fetch data
         if docinfo is None:          txt = getHttpData(infoUrl)
             docinfo = {}          if not txt:
         path=path.replace("/mpiwg/online","")              logging.error("Unable to get dir-info from %s"%(infoUrl))
         docinfo['imagePath'] = path  
         docinfo=self.getDirinfoFromDigilib(path,docinfo=docinfo,cut=cut)  
           
         pathorig=path  
         for x in range(cut):         
                 path=getParentDir(path)  
         logging.debug("documentViewer (getdocinfofromimagepath) PATH:"+path)  
         imageUrl=self.digilibBaseUrl+"/servlet/Scaler?fn="+path  
         docinfo['imageURL'] = imageUrl  
           
         #path ist the path to the images it assumes that the index.meta file is one level higher.  
         docinfo = self.getBibinfoFromIndexMeta(pathorig,docinfo=docinfo,cut=cut+1)  
         docinfo = self.getAuthinfoFromIndexMeta(pathorig,docinfo=docinfo,cut=cut+1)  
         return docinfo          return docinfo
           
           dom = ET.fromstring(txt)
           size = getText(dom.find("size"))
           logging.debug("getDocinfoFromDigilib: size=%s"%size)
           if size:
               docinfo['numPages'] = int(size)
           else:
               docinfo['numPages'] = 0
           
     def getDocinfo(self, mode, url):          # TODO: produce and keep list of image names and numbers
         """returns docinfo depending on mode"""  
         logging.debug("documentViewer (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') == mode and docinfo.get('url') == url:  
                 logging.debug("documentViewer (getdocinfo) docinfo in session: %s"%docinfo)  
                 return docinfo                  return docinfo
         # new docinfo              
         docinfo = {'mode': mode, 'url': url}              
         if mode=="texttool": #index.meta with texttool information      def getDocinfoFromPresentationInfoXml(self,docinfo):
             docinfo = self.getDocinfoFromTextTool(url, docinfo=docinfo)          """gets DC-like bibliographical information from the presentation entry in texttools"""
         elif mode=="imagepath":          url = docinfo.get('presentationUrl', None)
             docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo)          if not url:
         elif mode=="filepath":              logging.error("getDocinfoFromPresentation: no URL!")
             docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo,cut=1)              return docinfo
           
           dom = None
           metaUrl = None
           if url.startswith("http://"):
               # real URL
               metaUrl = url
         else:          else:
             logging.error("documentViewer (getdocinfo) unknown mode: %s!"%mode)              # online path
             raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode))  
                                   
         # FIXME: fake texturlpath               server=self.digilibBaseUrl+"/servlet/Texter?fn="
         if not docinfo.has_key('textURLPath'):              metaUrl=server+url
             docinfo['textURLPath'] = None  
                   
         logging.debug("documentViewer (getdocinfo) docinfo: %s"%docinfo)          txt=getHttpData(metaUrl)
         #logging.debug("documentViewer (getdocinfo) docinfo: %s"%)          if txt is None:
         self.REQUEST.SESSION['docinfo'] = docinfo              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, viewMode=None, tocMode=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 = {}
         current = getInt(current)          pageinfo['viewMode'] = viewMode
           pageinfo['viewType'] = viewType
           pageinfo['tocMode'] = tocMode
           
           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
           # is start is empty use one around current
         start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1)))          start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1)))
         # int(current / grpsize) * grpsize +1))          # int(current / grpsize) * grpsize +1))
         pageinfo['start'] = start          pageinfo['start'] = start
         pageinfo['end'] = start + grpsize          
         if (docinfo is not None) and ('numPages' in docinfo):          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        
         pageinfo['viewMode'] = viewMode  
         pageinfo['tocMode'] = tocMode          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['characterNormalization'] = self.REQUEST.get('characterNormalization','reg')
         pageinfo['optionToggle'] = self.REQUEST.get('optionToggle','')  
         pageinfo['query'] = self.REQUEST.get('query','')           pageinfo['query'] = self.REQUEST.get('query','') 
         pageinfo['queryType'] = self.REQUEST.get('queryType','')          pageinfo['queryType'] = self.REQUEST.get('queryType','')
         pageinfo['querySearch'] =self.REQUEST.get('querySearch', 'fulltext')          pageinfo['querySearch'] =self.REQUEST.get('querySearch', 'fulltext')
         pageinfo['textPN'] = self.REQUEST.get('textPN','1')  
         pageinfo['highlightQuery'] = self.REQUEST.get('highlightQuery','')          pageinfo['highlightQuery'] = self.REQUEST.get('highlightQuery','')
         pageinfo['tocPageSize'] = self.REQUEST.get('tocPageSize', '30')          pageinfo['tocPageSize'] = getInt(self.REQUEST.get('tocPageSize', 30))
         pageinfo['queryPageSize'] =self.REQUEST.get('queryPageSize', '10')          pageinfo['queryPageSize'] = getInt(self.REQUEST.get('queryPageSize', 10))
         pageinfo['tocPN'] = self.REQUEST.get('tocPN', '1')          pageinfo['tocPN'] = getInt(self.REQUEST.get('tocPN', '1'))
                   pageinfo['searchPN'] = getInt(self.REQUEST.get('searchPN','1'))
         toc = int (pageinfo['tocPN'])  
         pageinfo['textPages'] =int (toc)  
           
           
                   
           # limit tocPN
         if 'tocSize_%s'%tocMode in docinfo:          if 'tocSize_%s'%tocMode in docinfo:
             tocSize = int(docinfo['tocSize_%s'%tocMode])              tocSize = docinfo['tocSize_%s'%tocMode]
             tocPageSize = int(pageinfo['tocPageSize'])              tocPageSize = pageinfo['tocPageSize']
             # cached toc                         # cached toc           
             if tocSize%tocPageSize>0:              if tocSize%tocPageSize>0:
                 tocPages=tocSize/tocPageSize+1                  tocPages=tocSize/tocPageSize+1
             else:              else:
                 tocPages=tocSize/tocPageSize                  tocPages=tocSize/tocPageSize
             pageinfo['tocPN'] = min (tocPages,toc)                                      
         pageinfo['searchPN'] =self.REQUEST.get('searchPN','1')              pageinfo['tocPN'] = min(tocPages,pageinfo['tocPN'])
         pageinfo['sn'] =self.REQUEST.get('sn','')              
         return pageinfo          return pageinfo
           
   
       def getPageBatch(self, start=1, rows=10, cols=2, pageFlowLtr=True, pageZero=False, minIdx=1, maxIdx=0):
           """returns dict with array of page informations for one screenfull of thumbnails"""
           batch = {}
           grpsize = rows * cols
           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
               
           for i in range(nb):
               s = i * grpsize + ofs
               e = min((i + 1) * grpsize + ofs - 1, maxIdx)
               batches.append({'start':s, 'end':e})
               
           batch['batches'] = batches
   
           pages = []
           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}
                       
                   idx += 1
                   if pageFlowLtr:
                       row.append(page)
                   else:
                       row.insert(0, page) 
                   
               pages.append(row)
               
           if start > 1:
               batch['prevStart'] = max(start - grpsize, 1)
           else:
               batch['prevStart'] = None
               
           if start + grpsize < maxIdx:
               batch['nextStart'] = start + grpsize
           else:
               batch['nextStart'] = None
   
           batch['pages'] = pages
           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                    
               
           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})
               
           batch['batches'] = batches
           # list of elements in this batch
           this = []
           j = 0
           for i in range(start, min(start+size, end)):
               if data:
                   if fullData:
                       d = data[i]
                   else:
                       d = data[j]
                       j += 1
               
               else:
                   d = i+1
                   
               this.append(d)
               
           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
           
   
       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):  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
Line 923  def changeDocumentViewer(self,title="",d Line 896  def changeDocumentViewer(self,title="",d
         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')
                   
Line 938  def manage_AddDocumentViewer(self,id,ima Line 917  def manage_AddDocumentViewer(self,id,ima
           
     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.1.168  
changed lines
  Added in v.1.175.2.31

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