File:  [Repository] / documentViewer / documentViewer.py
Revision 1.175.2.7: download - view: text, annotated - select for diffs - revision graph
Wed Jul 20 19:36:57 2011 UTC (12 years, 10 months ago) by casties
Branches: elementtree
Diff to: branchpoint 1.175: preferred, unified
more renovation

    1: from OFS.Folder import Folder
    2: from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
    3: from Products.PageTemplates.PageTemplateFile import PageTemplateFile 
    4: from AccessControl import ClassSecurityInfo
    5: from AccessControl import getSecurityManager
    6: from Globals import package_home
    7: 
    8: #from Ft.Xml import EMPTY_NAMESPACE, Parse 
    9: #import Ft.Xml.Domlette
   10: 
   11: import xml.etree.ElementTree as ET
   12: 
   13: import os.path
   14: import sys
   15: import urllib
   16: import logging
   17: import math
   18: import urlparse 
   19: import re
   20: import string
   21: 
   22: from SrvTxtUtils import getInt, getText, getHttpData
   23: 
   24: def logger(txt,method,txt2):
   25:     """logging"""
   26:     logging.info(txt+ txt2)
   27:     
   28:     
   29: def serializeNode(node, encoding="utf-8"):
   30:     """returns a string containing node as XML"""
   31:     s = ET.tostring(node)
   32:     
   33:     # 4Suite:
   34:     #    stream = cStringIO.StringIO()
   35:     #    Ft.Xml.Domlette.Print(node, stream=stream, encoding=encoding)
   36:     #    s = stream.getvalue()
   37:     #    stream.close()
   38:     return s
   39: 
   40: def browserCheck(self):
   41:     """check the browsers request to find out the browser type"""
   42:     bt = {}
   43:     ua = self.REQUEST.get_header("HTTP_USER_AGENT")
   44:     bt['ua'] = ua
   45:     bt['isIE'] = False
   46:     bt['isN4'] = False
   47:     bt['versFirefox']=""
   48:     bt['versIE']=""
   49:     bt['versSafariChrome']=""
   50:     bt['versOpera']=""
   51:     
   52:     if string.find(ua, 'MSIE') > -1:
   53:         bt['isIE'] = True
   54:     else:
   55:         bt['isN4'] = (string.find(ua, 'Mozilla/4.') > -1)
   56:     # Safari oder Chrome identification    
   57:     try:
   58:         nav = ua[string.find(ua, '('):]
   59:         nav1=ua[string.find(ua,')'):]
   60:         nav2=nav1[string.find(nav1,'('):]
   61:         nav3=nav2[string.find(nav2,')'):]
   62:         ie = string.split(nav, "; ")[1]
   63:         ie1 =string.split(nav1, " ")[2]
   64:         ie2 =string.split(nav3, " ")[1]
   65:         ie3 =string.split(nav3, " ")[2]
   66:         if string.find(ie3, "Safari") >-1:
   67:             bt['versSafariChrome']=string.split(ie2, "/")[1]
   68:     except: pass
   69:     # IE identification
   70:     try:
   71:         nav = ua[string.find(ua, '('):]
   72:         ie = string.split(nav, "; ")[1]
   73:         if string.find(ie, "MSIE") > -1:
   74:             bt['versIE'] = string.split(ie, " ")[1]
   75:     except:pass
   76:     # Firefox identification
   77:     try:
   78:         nav = ua[string.find(ua, '('):]
   79:         nav1=ua[string.find(ua,')'):]
   80:         if string.find(ie1, "Firefox") >-1:
   81:             nav5= string.split(ie1, "/")[1]
   82:             logging.debug("FIREFOX: %s"%(nav5))
   83:             bt['versFirefox']=nav5[0:3]                   
   84:     except:pass
   85:     #Opera identification
   86:     try:
   87:         if string.find(ua,"Opera") >-1:
   88:             nav = ua[string.find(ua, '('):]
   89:             nav1=nav[string.find(nav,')'):]
   90:             bt['versOpera']=string.split(nav1,"/")[2]
   91:     except:pass
   92:     
   93:     bt['isMac'] = string.find(ua, 'Macintosh') > -1
   94:     bt['isWin'] = string.find(ua, 'Windows') > -1
   95:     bt['isIEWin'] = bt['isIE'] and bt['isWin']
   96:     bt['isIEMac'] = bt['isIE'] and bt['isMac']
   97:     bt['staticHTML'] = False
   98: 
   99:     return bt
  100: 
  101: def getParentDir(path):
  102:     """returns pathname shortened by one"""
  103:     return '/'.join(path.split('/')[0:-1])
  104:         
  105: def normalizeBibtype(bt):
  106:     """returns normalised bib type for looking up mappings"""
  107:     bt = bt.strip().replace(' ', '-').lower()
  108:     return bt
  109: 
  110: def getBibdataFromDom(dom):
  111:     """returns dict with all elements from bib-tag"""
  112:     bibinfo = {}
  113:     bib = dom.find(".//meta/bib")
  114:     if bib is not None:
  115:         # put type in @type
  116:         type = bib.get('type')
  117:         bibinfo['@type'] = normalizeBibtype(type)
  118:         # put all subelements in dict
  119:         for e in bib:
  120:             bibinfo[e.tag] = getText(e)
  121:             
  122:     return bibinfo
  123: 
  124: ##
  125: ## documentViewer class
  126: ##
  127: class documentViewer(Folder):
  128:     """document viewer"""
  129:     meta_type="Document viewer"
  130:     
  131:     security=ClassSecurityInfo()
  132:     manage_options=Folder.manage_options+(
  133:         {'label':'main config','action':'changeDocumentViewerForm'},
  134:         )
  135: 
  136:     # templates and forms
  137:     viewer_main = PageTemplateFile('zpt/viewer_main', globals())
  138:     toc_thumbs = PageTemplateFile('zpt/toc_thumbs', globals())
  139:     toc_text = PageTemplateFile('zpt/toc_text', globals())
  140:     toc_figures = PageTemplateFile('zpt/toc_figures', globals())
  141:     page_main_images = PageTemplateFile('zpt/page_main_images', globals())
  142:     page_main_double = PageTemplateFile('zpt/page_main_double', globals())
  143:     page_main_text = PageTemplateFile('zpt/page_main_text', globals())
  144:     page_main_text_dict = PageTemplateFile('zpt/page_main_text_dict', globals())
  145:     page_main_gis =PageTemplateFile ('zpt/page_main_gis', globals())
  146:     page_main_xml = PageTemplateFile('zpt/page_main_xml', globals())
  147:     page_main_pureXml = PageTemplateFile('zpt/page_main_pureXml', globals())
  148:     head_main = PageTemplateFile('zpt/head_main', globals())
  149:     docuviewer_css = PageTemplateFile('css/docuviewer.css', globals())
  150:     info_xml = PageTemplateFile('zpt/info_xml', globals())
  151:     
  152:     
  153:     thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals())
  154:     security.declareProtected('View management screens','changeDocumentViewerForm')    
  155:     changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())
  156: 
  157:     
  158:     def __init__(self,id,imageScalerUrl=None,textServerName=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=5,authgroups="mpiwg"):
  159:         """init document viewer"""
  160:         self.id=id
  161:         self.title=title
  162:         self.thumbcols = thumbcols
  163:         self.thumbrows = thumbrows
  164:         # authgroups is list of authorized groups (delimited by ,)
  165:         self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
  166:         # create template folder so we can always use template.something
  167:         
  168:         templateFolder = Folder('template')
  169:         #self['template'] = templateFolder # Zope-2.12 style
  170:         self._setObject('template',templateFolder) # old style
  171:         try:
  172:             import MpdlXmlTextServer
  173:             textServer = MpdlXmlTextServer.MpdlXmlTextServer(id='fulltextclient',serverName=textServerName)
  174:             #templateFolder['fulltextclient'] = xmlRpcClient
  175:             templateFolder._setObject('fulltextclient',textServer)
  176:         except Exception, e:
  177:             logging.error("Unable to create MpdlXmlTextServer for fulltextclient: "+str(e))
  178:         try:
  179:             from Products.zogiLib.zogiLib import zogiLib
  180:             zogilib = zogiLib(id="zogilib", title="zogilib for docuviewer", dlServerURL=imageScalerUrl, layout="book")
  181:             #templateFolder['zogilib'] = zogilib
  182:             templateFolder._setObject('zogilib',zogilib)
  183:         except Exception, e:
  184:             logging.error("Unable to create zogiLib for zogilib: "+str(e))
  185:         
  186:         
  187:     # proxy text server methods to fulltextclient
  188:     def getTextPage(self, **args):
  189:         """get page"""
  190:         return self.template.fulltextclient.getTextPage(**args)
  191: 
  192:     def getOrigPages(self, **args):
  193:         """get page"""
  194:         return self.template.fulltextclient.getOrigPages(**args)
  195:     
  196:     def getOrigPagesNorm(self, **args):
  197:         """get page"""
  198:         return self.template.fulltextclient.getOrigPagesNorm(**args)
  199: 
  200:     def getQuery(self, **args):
  201:         """get query in search"""
  202:         return self.template.fulltextclient.getQuery(**args)
  203:      
  204:     def getSearch(self, **args):
  205:         """get search"""
  206:         return self.template.fulltextclient.getSearch(**args)
  207:     
  208:     def getGisPlaces(self, **args):
  209:         """get gis places"""
  210:         return self.template.fulltextclient.getGisPlaces(**args)
  211:  
  212:     def getAllGisPlaces(self, **args):
  213:         """get all gis places """
  214:         return self.template.fulltextclient.getAllGisPlaces(**args)
  215:        
  216:     def getTranslate(self, **args):
  217:         """get translate"""
  218:         return self.template.fulltextclient.getTranslate(**args)
  219: 
  220:     def getLemma(self, **args):
  221:         """get lemma"""
  222:         return self.template.fulltextclient.getLemma(**args)
  223: 
  224:     def getLemmaQuery(self, **args):
  225:         """get query"""
  226:         return self.template.fulltextclient.getLemmaQuery(**args)
  227: 
  228:     def getLex(self, **args):
  229:         """get lex"""
  230:         return self.template.fulltextclient.getLex(**args)
  231: 
  232:     def getToc(self, **args):
  233:         """get toc"""
  234:         return self.template.fulltextclient.getToc(**args)
  235: 
  236:     def getTocPage(self, **args):
  237:         """get tocpage"""
  238:         return self.template.fulltextclient.getTocPage(**args)
  239: 
  240:     
  241:     security.declareProtected('View','thumbs_rss')
  242:     def thumbs_rss(self,mode,url,viewMode="auto",start=None,pn=1):
  243:         '''
  244:         view it
  245:         @param mode: defines how to access the document behind url 
  246:         @param url: url which contains display information
  247:         @param viewMode: if images display images, if text display text, default is images (text,images or auto)
  248:         
  249:         '''
  250:         logging.debug("HHHHHHHHHHHHHH:load the rss")
  251:         logging.debug("documentViewer (index) mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
  252:         
  253:         if not hasattr(self, 'template'):
  254:             # create template folder if it doesn't exist
  255:             self.manage_addFolder('template')
  256:             
  257:         if not self.digilibBaseUrl:
  258:             self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
  259:             
  260:         docinfo = self.getDocinfo(mode=mode,url=url)
  261:         #pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
  262:         pageinfo = self.getPageinfo(start=start,current=pn, docinfo=docinfo)
  263:         ''' ZDES '''
  264:         pt = getattr(self.template, 'thumbs_main_rss')
  265:         
  266:         if viewMode=="auto": # automodus gewaehlt
  267:             if docinfo.has_key("textURL") or docinfo.get('textURLPath',None): #texturl gesetzt und textViewer konfiguriert
  268:                 viewMode="text"
  269:             else:
  270:                 viewMode="images"
  271:                
  272:         return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)
  273:   
  274:     security.declareProtected('View','index_html')
  275:     def index_html(self,url,mode="texttool",viewMode="auto",tocMode="thumbs",start=None,pn=1,mk=None):
  276:         '''
  277:         view it
  278:         @param mode: defines how to access the document behind url 
  279:         @param url: url which contains display information
  280:         @param viewMode: if images display images, if text display text, default is auto (text,images or auto)
  281:         @param tocMode: type of 'table of contents' for navigation (thumbs, text, figures, none)
  282:         @param characterNormalization type of text display (reg, norm, none)
  283:         @param querySearch: type of different search modes (fulltext, fulltextMorph, xpath, xquery, ftIndex, ftIndexMorph, fulltextMorphLemma)
  284:         '''
  285:         
  286:         logging.debug("documentViewer (index) mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
  287:         
  288:         if not hasattr(self, 'template'):
  289:             # this won't work
  290:             logging.error("template folder missing!")
  291:             return "ERROR: template folder missing!"
  292:             
  293:         if not getattr(self, 'digilibBaseUrl', None):
  294:             self.digilibBaseUrl = self.findDigilibUrl() or "http://digilib.mpiwg-berlin.mpg.de/digitallibrary"
  295:             
  296:         docinfo = self.getDocinfo(mode=mode,url=url)
  297:         
  298:         if tocMode != "thumbs":
  299:             # get table of contents
  300:             docinfo = self.getToc(mode=tocMode, docinfo=docinfo)
  301: 
  302:         # auto viewMode: text_dict if text else images
  303:         if viewMode=="auto": 
  304:             if docinfo.get('textURL', None) or docinfo.get('textURLPath', None): 
  305:                 #texturl gesetzt und textViewer konfiguriert
  306:                 viewMode="text_dict"
  307:             else:
  308:                 viewMode="images"
  309:                 
  310:         pageinfo = self.getPageinfo(start=start, current=pn, docinfo=docinfo, viewMode=viewMode, tocMode=tocMode)
  311:         
  312:         if viewMode != 'images' and docinfo.get('textURLPath', None):
  313:             # get full text page
  314:             page = self.getTextPage(mode=viewMode, pn=pn, docinfo=docinfo, pageinfo=pageinfo)
  315:             pageinfo['textPage'] = page
  316:             
  317:         # get template /template/viewer_main
  318:         pt = getattr(self.template, 'viewer_main')
  319:         # and execute with parameters
  320:         return pt(docinfo=docinfo, pageinfo=pageinfo, viewMode=viewMode, mk=self.generateMarks(mk))
  321:   
  322:     def generateMarks(self,mk):
  323:         ret=""
  324:         if mk is None:
  325:             return ""
  326:         if not isinstance(mk, list):
  327:             mk=[mk]
  328:         for m in mk:
  329:             ret+="mk=%s"%m
  330:         return ret
  331:     
  332:     
  333:     def getBrowser(self):
  334:         """getBrowser the version of browser """
  335:         bt = browserCheck(self)
  336:         logging.debug("BROWSER VERSION: %s"%(bt))
  337:         return bt
  338:         
  339:     def findDigilibUrl(self):
  340:         """try to get the digilib URL from zogilib"""
  341:         url = self.template.zogilib.getDLBaseUrl()
  342:         return url
  343: 
  344:     def getDocumentViewerURL(self):
  345:         """returns the URL of this instance"""
  346:         return self.absolute_url()
  347:     
  348:     def getStyle(self, idx, selected, style=""):
  349:         """returns a string with the given style and append 'sel' if path == selected."""
  350:         #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))
  351:         if idx == selected:
  352:             return style + 'sel'
  353:         else:
  354:             return style
  355:     
  356:     def getLink(self, param=None, val=None, params=None, baseUrl=None, paramSep='&'):
  357:         """returns URL to documentviewer with parameter param set to val or from dict params"""
  358:         # copy existing request params
  359:         urlParams=self.REQUEST.form.copy()
  360:         # change single param
  361:         if param is not None:
  362:             if val is None:
  363:                 if urlParams.has_key(param):
  364:                     del urlParams[param]
  365:             else:
  366:                 urlParams[param] = str(val)
  367:                 
  368:         # change more params
  369:         if params is not None:
  370:             for k in params.keys():
  371:                 v = params[k]
  372:                 if v is None:
  373:                     # val=None removes param
  374:                     if urlParams.has_key(k):
  375:                         del urlParams[k]
  376:                         
  377:                 else:
  378:                     urlParams[k] = v
  379: 
  380:         # FIXME: does this belong here?
  381:         if urlParams.get("mode", None) == "filepath": #wenn beim erst Aufruf filepath gesetzt wurde aendere das nun zu imagepath
  382:                 urlParams["mode"] = "imagepath"
  383:                 urlParams["url"] = getParentDir(urlParams["url"])
  384:                 
  385:         # quote values and assemble into query string (not escaping '/')
  386:         ps = paramSep.join(["%s=%s"%(k,urllib.quote_plus(v,'/')) for (k, v) in urlParams.items()])
  387:         #ps = urllib.urlencode(urlParams)
  388:         if baseUrl is None:
  389:             baseUrl = self.REQUEST['URL1']
  390:             
  391:         url = "%s?%s"%(baseUrl, ps)
  392:         return url
  393: 
  394: 
  395:     def getLinkAmp(self, param=None, val=None, params=None, baseUrl=None):
  396:         """link to documentviewer with parameter param set to val"""
  397:         return self.getLink(param, val, params, baseUrl, '&')
  398:     
  399:     def getInfo_xml(self,url,mode):
  400:         """returns info about the document as XML"""
  401: 
  402:         if not self.digilibBaseUrl:
  403:             self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
  404:         
  405:         docinfo = self.getDocinfo(mode=mode,url=url)
  406:         pt = getattr(self.template, 'info_xml')
  407:         return pt(docinfo=docinfo)
  408: 
  409:     def getOptionToggle(self, newState=None, optionName='text_options_open', initialState=True):
  410:         """returns new option state"""
  411:         if not self.REQUEST.SESSION.has_key(optionName):
  412:             # not in session -- initial
  413:             opt = {'lastState': newState, 'state': initialState}
  414:         else:
  415:             opt = self.REQUEST.SESSION.get(optionName)
  416:             if opt['lastState'] != newState:
  417:                 # state in session has changed -- toggle
  418:                 opt['state'] = not opt['state']
  419:                 opt['lastState'] = newState
  420:         
  421:         self.REQUEST.SESSION[optionName] = opt
  422:         return opt['state']
  423:     
  424:     def isAccessible(self, docinfo):
  425:         """returns if access to the resource is granted"""
  426:         access = docinfo.get('accessType', None)
  427:         logging.debug("documentViewer (accessOK) access type %s"%access)
  428:         if access is not None and access == 'free':
  429:             logging.debug("documentViewer (accessOK) access is free")
  430:             return True
  431:         elif access is None or access in self.authgroups:
  432:             # only local access -- only logged in users
  433:             user = getSecurityManager().getUser()
  434:             logging.debug("documentViewer (accessOK) user=%s ip=%s"%(user,self.REQUEST.getClientAddr()))
  435:             if user is not None:
  436:                 #print "user: ", user
  437:                 return (user.getUserName() != "Anonymous User")
  438:             else:
  439:                 return False
  440:         
  441:         logging.error("documentViewer (accessOK) unknown access type %s"%access)
  442:         return False
  443:     
  444:                 
  445:     def getDirinfoFromDigilib(self,path,docinfo=None,cut=0):
  446:         """gibt param von dlInfo aus"""
  447:         if docinfo is None:
  448:             docinfo = {}
  449:         
  450:         for x in range(cut):
  451:             path=getParentDir(path)
  452:        
  453:         infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path
  454:     
  455:         logging.debug("documentViewer (getparamfromdigilib) dirInfo from %s"%(infoUrl))
  456:         
  457:         txt = getHttpData(infoUrl)
  458:         if txt is None:
  459:             raise IOError("Unable to get dir-info from %s"%(infoUrl))
  460: 
  461:         dom = ET.fromstring(txt)
  462:         #dom = Parse(txt)
  463:         size=getText(dom.find("size"))
  464:         #sizes=dom.xpath("//dir/size")
  465:         logging.debug("documentViewer (getparamfromdigilib) dirInfo:size=%s"%size)
  466:         
  467:         if size:
  468:             docinfo['numPages'] = int(size)
  469:         else:
  470:             docinfo['numPages'] = 0
  471:             
  472:         # TODO: produce and keep list of image names and numbers
  473:                         
  474:         return docinfo
  475:     
  476:     def getIndexMetaPath(self,url):
  477:         """gib nur den Pfad zurueck"""
  478:         regexp = re.compile(r".*(experimental|permanent)/(.*)")
  479:         regpath = regexp.match(url)
  480:         if (regpath==None):
  481:             return ""
  482:         logging.debug("(getDomFromIndexMeta): URLXAXA: %s"%regpath.group(2))            
  483:         return ("/mpiwg/online/"+regpath.group(1)+"/"+regpath.group(2))
  484:      
  485:     
  486:     
  487:     def getIndexMetaUrl(self,url):
  488:         """returns utr  of index.meta document at url"""
  489:       
  490:         metaUrl = None
  491:         if url.startswith("http://"):
  492:             # real URL
  493:             metaUrl = url
  494:         else:
  495:             # online path
  496:             server=self.digilibBaseUrl+"/servlet/Texter?fn="
  497:             metaUrl=server+url.replace("/mpiwg/online","")
  498:             if not metaUrl.endswith("index.meta"):
  499:                 metaUrl += "/index.meta"
  500:         
  501:         return metaUrl
  502:     
  503:     def getDomFromIndexMeta(self, url):
  504:         """get dom from index meta"""
  505:         dom = None
  506:         metaUrl = self.getIndexMetaUrl(url)
  507:                 
  508:         logging.debug("(getDomFromIndexMeta): METAURL: %s"%metaUrl)
  509:         txt=getHttpData(metaUrl)
  510:         if txt is None:
  511:             raise IOError("Unable to read index meta from %s"%(url))
  512:         
  513:         dom = ET.fromstring(txt)
  514:         #dom = Parse(txt)
  515:         return dom
  516:     
  517:     def getPresentationInfoXML(self, url):
  518:         """returns dom of info.xml document at url"""
  519:         dom = None
  520:         metaUrl = None
  521:         if url.startswith("http://"):
  522:             # real URL
  523:             metaUrl = url
  524:         else:
  525:             # online path
  526:             server=self.digilibBaseUrl+"/servlet/Texter?fn="
  527:             metaUrl=server+url.replace("/mpiwg/online","")
  528:         
  529:         txt=getHttpData(metaUrl)
  530:         if txt is None:
  531:             raise IOError("Unable to read infoXMLfrom %s"%(url))
  532:             
  533:         dom = ET.fromstring(txt)
  534:         #dom = Parse(txt)
  535:         return dom
  536:                         
  537:         
  538:     def getAuthinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
  539:         """gets authorization info from the index.meta file at path or given by dom"""
  540:         logging.debug("documentViewer (getauthinfofromindexmeta) path: %s"%(path))
  541:         
  542:         access = None
  543:         
  544:         if docinfo is None:
  545:             docinfo = {}
  546:             
  547:         if dom is None:
  548:             for x in range(cut):
  549:                 path=getParentDir(path)
  550:             dom = self.getDomFromIndexMeta(path)
  551:        
  552:         acc = dom.find(".//access-conditions/access")
  553:         if acc is not None:
  554:             acctype = acc.get('type')
  555:             #acctype = dom.xpath("//access-conditions/access/@type")
  556:             if acctype:
  557:                 access=acctype
  558:                 if access in ['group', 'institution']:
  559:                     access = dom.find(".//access-conditions/access/name").text.lower()
  560:             
  561:         docinfo['accessType'] = access
  562:         return docinfo
  563:     
  564:         
  565:     def getBibinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
  566:         """gets bibliographical info from the index.meta file at path or given by dom"""
  567:         logging.debug("documentViewer (getbibinfofromindexmeta) path: %s"%(path))
  568:         
  569:         if docinfo is None:
  570:             docinfo = {}
  571:         
  572:         if dom is None:
  573:             for x in range(cut):
  574:                 path=getParentDir(path)
  575:             dom = self.getDomFromIndexMeta(path)
  576:         
  577:         docinfo['indexMetaPath']=self.getIndexMetaPath(path);
  578:         
  579:         logging.debug("documentViewer (getbibinfofromindexmeta cutted) path: %s"%(path))
  580:         # put all raw bib fields in dict "bib"
  581:         bib = getBibdataFromDom(dom)
  582:         docinfo['bib'] = bib
  583:         bibtype = bib.get('@type', None)
  584:         docinfo['bib_type'] = bibtype
  585:         if bibtype:
  586:             # also store standard mapped metadata for convenience
  587:             try:
  588:                 stdbib = self.metadata.getStdMappedHash(bib)
  589:                 docinfo['std_bib'] = stdbib
  590:                 docinfo['author'] = stdbib['author']
  591:                 docinfo['title'] = stdbib['title']
  592:                 docinfo['year'] = stdbib['year']
  593:             except:
  594:                 pass
  595: 
  596:         return docinfo
  597:     
  598:     
  599:     # TODO: is this needed?
  600:     def getNameFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
  601:         """gets name info from the index.meta file at path or given by dom"""
  602:         if docinfo is None:
  603:             docinfo = {}
  604:         
  605:         if dom is None:
  606:             for x in range(cut):
  607:                 path=getParentDir(path)
  608:             dom = self.getDomFromIndexMeta(path)
  609: 
  610:         docinfo['name']=getText(dom.find("name"))
  611:         logging.debug("documentViewer docinfo[name] %s"%docinfo['name'])
  612:         return docinfo
  613:     
  614:     def getDocinfoFromTextTool(self, url, dom=None, docinfo=None):
  615:         """parse texttool tag in index meta"""
  616:         logging.debug("documentViewer (getdocinfofromtexttool) url: %s" % (url))
  617:         if docinfo is None:
  618:            docinfo = {}
  619:         if docinfo.get('lang', None) is None:
  620:             docinfo['lang'] = '' # default keine Sprache gesetzt
  621:         if dom is None:
  622:             dom = self.getDomFromIndexMeta(url)
  623:         
  624:         archivePath = None
  625:         archiveName = None
  626:     
  627:         archiveName = getText(dom.find("name"))
  628:         if not archiveName:
  629:             logging.warning("documentViewer (getdocinfofromtexttool) resource/name missing in: %s" % (url))
  630:         
  631:         archivePath = getText(dom.find("archive-path"))
  632:         if archivePath:
  633:             # clean up archive path
  634:             if archivePath[0] != '/':
  635:                 archivePath = '/' + archivePath
  636:             if archiveName and (not archivePath.endswith(archiveName)):
  637:                 archivePath += "/" + archiveName
  638:         else:
  639:             # try to get archive-path from url
  640:             logging.warning("documentViewer (getdocinfofromtexttool) resource/archive-path missing in: %s" % (url))
  641:             if (not url.startswith('http')):
  642:                 archivePath = url.replace('index.meta', '')
  643:                 
  644:         if archivePath is None:
  645:             # we balk without archive-path
  646:             raise IOError("Missing archive-path (for text-tool) in %s" % (url))
  647:         
  648:         imageDir = getText(dom.find(".//texttool/image"))
  649:             
  650:         if not imageDir:
  651:             # we balk with no image tag / not necessary anymore because textmode is now standard
  652:             #raise IOError("No text-tool info in %s"%(url))
  653:             imageDir = ""
  654:             #xquery="//pb"  
  655:             docinfo['imagePath'] = "" # keine Bilder
  656:             docinfo['imageURL'] = ""
  657:             
  658:         if imageDir and archivePath:
  659:             #print "image: ", imageDir, " archivepath: ", archivePath
  660:             imageDir = os.path.join(archivePath, imageDir)
  661:             imageDir = imageDir.replace("/mpiwg/online", '')
  662:             docinfo = self.getDirinfoFromDigilib(imageDir, docinfo=docinfo)
  663:             docinfo['imagePath'] = imageDir
  664:             
  665:             docinfo['imageURL'] = self.digilibBaseUrl + "/servlet/Scaler?fn=" + imageDir
  666:             
  667:         viewerUrl = getText(dom.find(".//texttool/digiliburlprefix"))
  668:         if viewerUrl:
  669:             docinfo['viewerURL'] = viewerUrl
  670:         
  671:         # old style text URL
  672:         textUrl = getText(dom.find(".//texttool/text"))
  673:         if textUrl:
  674:             if urlparse.urlparse(textUrl)[0] == "": #keine url
  675:                 textUrl = os.path.join(archivePath, textUrl) 
  676:             # fix URLs starting with /mpiwg/online
  677:             if textUrl.startswith("/mpiwg/online"):
  678:                 textUrl = textUrl.replace("/mpiwg/online", '', 1)
  679:             
  680:             docinfo['textURL'] = textUrl
  681:     
  682:         # new style text-url-path
  683:         textUrl = getText(dom.find(".//texttool/text-url-path"))
  684:         if textUrl:
  685:             docinfo['textURLPath'] = textUrl
  686:             textUrlkurz = string.split(textUrl, ".")[0]
  687:             docinfo['textURLPathkurz'] = textUrlkurz
  688:             #if not docinfo['imagePath']:
  689:                 # text-only, no page images
  690:                 #docinfo = self.getNumTextPages(docinfo)
  691:                   
  692:          
  693:         presentationUrl = getText(dom.find(".//texttool/presentation"))
  694:         docinfo = self.getBibinfoFromIndexMeta(url, docinfo=docinfo, dom=dom)   # get info von bib tag
  695:         # TODO: is this needed here?
  696:         docinfo = self.getNameFromIndexMeta(url, docinfo=docinfo, dom=dom)
  697:         
  698:         
  699:         if presentationUrl: # ueberschreibe diese durch presentation informationen 
  700:              # presentation url ergiebt sich ersetzen von index.meta in der url der fuer die Metadaten
  701:              # durch den relativen Pfad auf die presentation infos
  702:             presentationPath = presentationUrl
  703:             if url.endswith("index.meta"): 
  704:                 presentationUrl = url.replace('index.meta', presentationPath)
  705:             else:
  706:                 presentationUrl = url + "/" + presentationPath
  707:                 
  708:             docinfo = self.getBibinfoFromTextToolPresentation(presentationUrl, docinfo=docinfo, dom=dom)
  709:     
  710:         docinfo = self.getAuthinfoFromIndexMeta(url, docinfo=docinfo, dom=dom)   # get access info
  711:         
  712:         return docinfo
  713:    
  714:    
  715:     def getBibinfoFromTextToolPresentation(self,url,docinfo=None,dom=None):
  716:         """gets the bibliographical information from the preseantion entry in texttools
  717:         """
  718:         dom=self.getPresentationInfoXML(url)
  719:         docinfo['author']=getText(dom.find(".//author"))
  720:         docinfo['title']=getText(dom.find(".//title"))
  721:         docinfo['year']=getText(dom.find(".//date"))
  722:         return docinfo
  723:     
  724:     def getDocinfoFromImagePath(self,path,docinfo=None,cut=0):
  725:         """path ist the path to the images it assumes that the index.meta file is one level higher."""
  726:         logging.debug("documentViewer (getdocinfofromimagepath) path: %s"%(path))
  727:         if docinfo is None:
  728:             docinfo = {}
  729:         path=path.replace("/mpiwg/online","")
  730:         docinfo['imagePath'] = path
  731:         docinfo=self.getDirinfoFromDigilib(path,docinfo=docinfo,cut=cut)
  732:         
  733:         pathorig=path
  734:         for x in range(cut):       
  735:                 path=getParentDir(path)
  736:         logging.debug("documentViewer (getdocinfofromimagepath) PATH:"+path)
  737:         imageUrl=self.digilibBaseUrl+"/servlet/Scaler?fn="+path
  738:         docinfo['imageURL'] = imageUrl
  739:         
  740:         #TODO: use getDocinfoFromIndexMeta
  741:         #path ist the path to the images it assumes that the index.meta file is one level higher.
  742:         docinfo = self.getBibinfoFromIndexMeta(pathorig,docinfo=docinfo,cut=cut+1)
  743:         docinfo = self.getAuthinfoFromIndexMeta(pathorig,docinfo=docinfo,cut=cut+1)
  744:         return docinfo
  745:     
  746:     
  747:     def getDocinfo(self, mode, url):
  748:         """returns docinfo depending on mode"""
  749:         logging.debug("documentViewer (getdocinfo) mode: %s, url: %s"%(mode,url))
  750:         # look for cached docinfo in session
  751:         if self.REQUEST.SESSION.has_key('docinfo'):
  752:             docinfo = self.REQUEST.SESSION['docinfo']
  753:             # check if its still current
  754:             if docinfo is not None and docinfo.get('mode') == mode and docinfo.get('url') == url:
  755:                 logging.debug("documentViewer (getdocinfo) docinfo in session. keys=%s"%docinfo.keys())
  756:                 return docinfo
  757:             
  758:         # new docinfo
  759:         docinfo = {'mode': mode, 'url': url}
  760:         # add self url
  761:         docinfo['viewerUrl'] = self.getDocumentViewerURL()
  762:         if mode=="texttool": 
  763:             # index.meta with texttool information
  764:             docinfo = self.getDocinfoFromTextTool(url, docinfo=docinfo)
  765:         elif mode=="imagepath":
  766:             # folder with images, index.meta optional
  767:             docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo)
  768:         elif mode=="filepath":
  769:             # filename
  770:             docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo,cut=1)
  771:         else:
  772:             logging.error("documentViewer (getdocinfo) unknown mode: %s!"%mode)
  773:             raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode))
  774:                 
  775:         logging.debug("documentViewer (getdocinfo) docinfo: keys=%s"%docinfo.keys())
  776:         #logging.debug("documentViewer (getdocinfo) docinfo: %s"%docinfo)
  777:         # store in session
  778:         self.REQUEST.SESSION['docinfo'] = docinfo
  779:         return docinfo
  780:                
  781:     def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None, viewMode=None, tocMode=None):
  782:         """returns pageinfo with the given parameters"""
  783:         pageinfo = {}
  784:         current = getInt(current)
  785:     
  786:         pageinfo['current'] = current
  787:         rows = int(rows or self.thumbrows)
  788:         pageinfo['rows'] = rows
  789:         cols = int(cols or self.thumbcols)
  790:         pageinfo['cols'] = cols
  791:         grpsize = cols * rows
  792:         pageinfo['groupsize'] = grpsize
  793:         # what does this do?
  794:         start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1)))
  795:         # int(current / grpsize) * grpsize +1))
  796:         pageinfo['start'] = start
  797:         pageinfo['end'] = start + grpsize
  798:         if (docinfo is not None) and ('numPages' in docinfo):
  799:             np = int(docinfo['numPages'])
  800:             pageinfo['end'] = min(pageinfo['end'], np)
  801:             pageinfo['numgroups'] = int(np / grpsize)
  802:             if np % grpsize > 0:
  803:                 pageinfo['numgroups'] += 1
  804:                 
  805:         pageinfo['viewMode'] = viewMode
  806:         pageinfo['tocMode'] = tocMode
  807:         pageinfo['characterNormalization'] = self.REQUEST.get('characterNormalization','reg')
  808:         #pageinfo['optionToggle'] = self.REQUEST.get('optionToggle','1')
  809:         pageinfo['query'] = self.REQUEST.get('query','') 
  810:         pageinfo['queryType'] = self.REQUEST.get('queryType','')
  811:         pageinfo['querySearch'] =self.REQUEST.get('querySearch', 'fulltext')
  812:         pageinfo['textPN'] = self.REQUEST.get('textPN','1')
  813:         pageinfo['highlightQuery'] = self.REQUEST.get('highlightQuery','')
  814:         pageinfo['tocPageSize'] = self.REQUEST.get('tocPageSize', '30')
  815:         pageinfo['queryPageSize'] =self.REQUEST.get('queryPageSize', '10')
  816:         pageinfo['tocPN'] = self.REQUEST.get('tocPN', '1')
  817:         # WTF?:
  818:         toc = int(pageinfo['tocPN'])
  819:         pageinfo['textPages'] =int(toc)
  820:         
  821:         # What does this do?
  822:         if 'tocSize_%s'%tocMode in docinfo:
  823:             tocSize = int(docinfo['tocSize_%s'%tocMode])
  824:             tocPageSize = int(pageinfo['tocPageSize'])
  825:             # cached toc           
  826:             if tocSize%tocPageSize>0:
  827:                 tocPages=tocSize/tocPageSize+1
  828:             else:
  829:                 tocPages=tocSize/tocPageSize
  830:                 
  831:             pageinfo['tocPN'] = min(tocPages,toc)
  832:             
  833:         pageinfo['searchPN'] =self.REQUEST.get('searchPN','1')
  834:         pageinfo['sn'] =self.REQUEST.get('sn','')
  835:         return pageinfo
  836: 
  837:     
  838:     def changeDocumentViewer(self,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=5,authgroups='mpiwg',RESPONSE=None):
  839:         """init document viewer"""
  840:         self.title=title
  841:         self.digilibBaseUrl = digilibBaseUrl
  842:         self.thumbrows = thumbrows
  843:         self.thumbcols = thumbcols
  844:         self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
  845:         if RESPONSE is not None:
  846:             RESPONSE.redirect('manage_main')
  847:         
  848: def manage_AddDocumentViewerForm(self):
  849:     """add the viewer form"""
  850:     pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self)
  851:     return pt()
  852:   
  853: def manage_AddDocumentViewer(self,id,imageScalerUrl="",textServerName="",title="",RESPONSE=None):
  854:     """add the viewer"""
  855:     newObj=documentViewer(id,imageScalerUrl=imageScalerUrl,title=title,textServerName=textServerName)
  856:     self._setObject(id,newObj)
  857:     
  858:     if RESPONSE is not None:
  859:         RESPONSE.redirect('manage_main')
  860: 
  861: ## DocumentViewerTemplate class
  862: class DocumentViewerTemplate(ZopePageTemplate):
  863:     """Template for document viewer"""
  864:     meta_type="DocumentViewer Template"
  865: 
  866: 
  867: def manage_addDocumentViewerTemplateForm(self):
  868:     """Form for adding"""
  869:     pt=PageTemplateFile('zpt/addDocumentViewerTemplate', globals()).__of__(self)
  870:     return pt()
  871: 
  872: def manage_addDocumentViewerTemplate(self, id='viewer_main', title=None, text=None,
  873:                            REQUEST=None, submit=None):
  874:     "Add a Page Template with optional file content."
  875: 
  876:     self._setObject(id, DocumentViewerTemplate(id))
  877:     ob = getattr(self, id)
  878:     txt=file(os.path.join(package_home(globals()),'zpt/viewer_main.zpt'),'r').read()
  879:     logging.info("txt %s:"%txt)
  880:     ob.pt_edit(txt,"text/html")
  881:     if title:
  882:         ob.pt_setTitle(title)
  883:     try:
  884:         u = self.DestinationURL()
  885:     except AttributeError:
  886:         u = REQUEST['URL1']
  887:         
  888:     u = "%s/%s" % (u, urllib.quote(id))
  889:     REQUEST.RESPONSE.redirect(u+'/manage_main')
  890:     return ''
  891: 
  892: 
  893:     

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