Annotation of documentViewer/documentViewer.py, revision 1.40

1.18      dwinter     1: 
                      2: 
1.1       dwinter     3: from OFS.Folder import Folder
                      4: from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
1.22      dwinter     5: from Products.PageTemplates.PageTemplateFile import PageTemplateFile 
1.1       dwinter     6: from AccessControl import ClassSecurityInfo
1.8       casties     7: from AccessControl import getSecurityManager
1.1       dwinter     8: from Globals import package_home
                      9: 
                     10: from Ft.Xml.Domlette import NonvalidatingReader
                     11: from Ft.Xml.Domlette import PrettyPrint, Print
1.11      casties    12: from Ft.Xml import EMPTY_NAMESPACE, Parse
1.1       dwinter    13: 
                     14: import Ft.Xml.XPath
                     15: 
                     16: import os.path
1.7       casties    17: import sys
1.1       dwinter    18: import cgi
                     19: import urllib
1.20      dwinter    20: import logging
1.28      casties    21: import math
1.22      dwinter    22: 
1.18      dwinter    23: import urlparse 
1.37      dwinter    24: from types import *
1.22      dwinter    25: def logger(txt,method,txt2):
                     26:     """logging"""
                     27:     logging.info(txt+ txt2)
                     28:     
                     29:     
1.4       casties    30: def getInt(number, default=0):
                     31:     """returns always an int (0 in case of problems)"""
                     32:     try:
                     33:         return int(number)
                     34:     except:
1.29      casties    35:         return int(default)
1.4       casties    36: 
1.1       dwinter    37: def getTextFromNode(nodename):
1.18      dwinter    38:     """get the cdata content of a node"""
1.8       casties    39:     if nodename is None:
                     40:         return ""
1.1       dwinter    41:     nodelist=nodename.childNodes
                     42:     rc = ""
                     43:     for node in nodelist:
                     44:         if node.nodeType == node.TEXT_NODE:
                     45:            rc = rc + node.data
                     46:     return rc
                     47: 
1.9       casties    48:         
                     49: def getParentDir(path):
                     50:     """returns pathname shortened by one"""
                     51:     return '/'.join(path.split('/')[0:-1])
                     52:         
                     53: 
1.1       dwinter    54: import socket
                     55: 
1.8       casties    56: def urlopen(url,timeout=2):
1.1       dwinter    57:         """urlopen mit timeout"""
1.8       casties    58:         socket.setdefaulttimeout(timeout)
1.1       dwinter    59:         ret=urllib.urlopen(url)
                     60:         socket.setdefaulttimeout(5)
                     61:         return ret
                     62: 
                     63: 
1.3       casties    64: ##
                     65: ## documentViewer class
                     66: ##
                     67: class documentViewer(Folder):
1.1       dwinter    68:     """document viewer"""
1.20      dwinter    69:     #textViewerUrl="http://127.0.0.1:8080/HFQP/testXSLT/getPage?"
1.18      dwinter    70:     
1.1       dwinter    71:     meta_type="Document viewer"
                     72:     
                     73:     security=ClassSecurityInfo()
1.3       casties    74:     manage_options=Folder.manage_options+(
1.1       dwinter    75:         {'label':'main config','action':'changeDocumentViewerForm'},
                     76:         )
                     77: 
1.3       casties    78:     # templates and forms
                     79:     viewer_main = PageTemplateFile('zpt/viewer_main', globals())
                     80:     thumbs_main = PageTemplateFile('zpt/thumbs_main', globals())
                     81:     image_main = PageTemplateFile('zpt/image_main', globals())
                     82:     head_main = PageTemplateFile('zpt/head_main', globals())
                     83:     docuviewer_css = PageTemplateFile('css/docuviewer.css', globals())
1.26      casties    84:     info_xml = PageTemplateFile('zpt/info_xml', globals())
1.3       casties    85: 
1.32      dwinter    86:     thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals())
1.3       casties    87:     security.declareProtected('View management screens','changeDocumentViewerForm')    
                     88:     changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())
                     89: 
1.1       dwinter    90:     
1.18      dwinter    91:     def __init__(self,id,imageViewerUrl,textViewerUrl=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=10,authgroups="mpiwg"):
1.1       dwinter    92:         """init document viewer"""
                     93:         self.id=id
                     94:         self.title=title
                     95:         self.imageViewerUrl=imageViewerUrl
1.18      dwinter    96:         self.textViewerUrl=textViewerUrl
                     97:         
1.4       casties    98:         if not digilibBaseUrl:
1.3       casties    99:             self.digilibBaseUrl = self.findDigilibUrl()
1.4       casties   100:         else:
                    101:             self.digilibBaseUrl = digilibBaseUrl
                    102:         self.thumbcols = thumbcols
                    103:         self.thumbrows = thumbrows
1.8       casties   104:         # authgroups is list of authorized groups (delimited by ,)
                    105:         self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
1.3       casties   106:         # add template folder so we can always use template.something
                    107:         self.manage_addFolder('template')
                    108: 
                    109: 
1.32      dwinter   110:     security.declareProtected('View','thumbs_rss')
                    111:     def thumbs_rss(self,mode,url,viewMode="auto",start=None,pn=1):
                    112:         '''
                    113:         view it
                    114:         @param mode: defines how to access the document behind url 
                    115:         @param url: url which contains display information
                    116:         @param viewMode: if images display images, if text display text, default is images (text,images or auto)
                    117:         
                    118:         '''
                    119:         logging.info("HHHHHHHHHHHHHH:load the rss")
                    120:         logger("documentViewer (index)", logging.INFO, "mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
                    121:         
                    122:         if not hasattr(self, 'template'):
                    123:             # create template folder if it doesn't exist
                    124:             self.manage_addFolder('template')
                    125:             
                    126:         if not self.digilibBaseUrl:
                    127:             self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
                    128:             
                    129:         docinfo = self.getDocinfo(mode=mode,url=url)
                    130:         pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
                    131:         pt = getattr(self.template, 'thumbs_main_rss')
                    132:         
                    133:         if viewMode=="auto": # automodus gewaehlt
                    134:             if docinfo.get("textURL",'') and self.textViewerUrl: #texturl gesetzt und textViewer konfiguriert
                    135:                 viewMode="text"
                    136:             else:
                    137:                 viewMode="images"
                    138:                
                    139:         return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)
                    140:   
1.3       casties   141:     security.declareProtected('View','index_html')
1.36      dwinter   142:     def index_html(self,mode,url,viewMode="auto",start=None,pn=1,mk=None):
1.3       casties   143:         '''
                    144:         view it
1.26      casties   145:         @param mode: defines how to access the document behind url 
1.3       casties   146:         @param url: url which contains display information
1.26      casties   147:         @param viewMode: if images display images, if text display text, default is images (text,images or auto)
1.18      dwinter   148:         
1.3       casties   149:         '''
                    150:         
1.22      dwinter   151:         logger("documentViewer (index)", logging.INFO, "mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
1.1       dwinter   152:         
1.3       casties   153:         if not hasattr(self, 'template'):
                    154:             # create template folder if it doesn't exist
                    155:             self.manage_addFolder('template')
                    156:             
                    157:         if not self.digilibBaseUrl:
                    158:             self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
                    159:             
1.4       casties   160:         docinfo = self.getDocinfo(mode=mode,url=url)
                    161:         pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
1.3       casties   162:         pt = getattr(self.template, 'viewer_main')
1.21      dwinter   163:         
                    164:         if viewMode=="auto": # automodus gewaehlt
                    165:             if docinfo.get("textURL",'') and self.textViewerUrl: #texturl gesetzt und textViewer konfiguriert
                    166:                 viewMode="text"
                    167:             else:
                    168:                 viewMode="images"
1.22      dwinter   169:                
1.37      dwinter   170:         return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode,mk=self.generateMarks(mk))
1.1       dwinter   171:   
1.36      dwinter   172:     def generateMarks(self,mk):
                    173:         ret=""
1.37      dwinter   174:    if mk is None:
                    175:        return ""
                    176:    
                    177:    if type(mk) is not ListType:
                    178:        mk=[mk]
1.36      dwinter   179:         for m in mk:
1.37      dwinter   180:             ret+="mk=%s"%m
1.36      dwinter   181:         return ret
                    182:     
1.4       casties   183:     def getLink(self,param=None,val=None):
                    184:         """link to documentviewer with parameter param set to val"""
1.9       casties   185:         params=self.REQUEST.form.copy()
1.4       casties   186:         if param is not None:
1.7       casties   187:             if val is None:
                    188:                 if params.has_key(param):
                    189:                     del params[param]
1.4       casties   190:             else:
1.9       casties   191:                 params[param] = str(val)
1.38      dwinter   192:         if params["mode"] == "filepath": #wenn beim erst Aufruf filepath gesetzt wurde aendere das nun zu imagepath
                    193:                 params["mode"] = "imagepath"
                    194:                 params["url"] = getParentDir(params["url"])
1.7       casties   195:                 
1.9       casties   196:         # quote values and assemble into query string
                    197:         ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()])
                    198:         url=self.REQUEST['URL1']+"?"+ps
1.4       casties   199:         return url
                    200: 
1.32      dwinter   201:     def getLinkAmp(self,param=None,val=None):
                    202:         """link to documentviewer with parameter param set to val"""
                    203:         params=self.REQUEST.form.copy()
                    204:         if param is not None:
                    205:             if val is None:
                    206:                 if params.has_key(param):
                    207:                     del params[param]
                    208:             else:
                    209:                 params[param] = str(val)
                    210:                 
                    211:         # quote values and assemble into query string
                    212:         logging.info("XYXXXXX: %s"%repr(params.items()))
                    213:         ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()])
                    214:         url=self.REQUEST['URL1']+"?"+ps
                    215:         return url
1.40    ! casties   216:     
1.26      casties   217:     def getInfo_xml(self,url,mode):
                    218:         """returns info about the document as XML"""
                    219: 
                    220:         if not self.digilibBaseUrl:
                    221:             self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
                    222:         
                    223:         docinfo = self.getDocinfo(mode=mode,url=url)
                    224:         pt = getattr(self.template, 'info_xml')
                    225:         return pt(docinfo=docinfo)
                    226: 
1.4       casties   227:     
1.3       casties   228:     def getStyle(self, idx, selected, style=""):
1.4       casties   229:         """returns a string with the given style and append 'sel' if path == selected."""
1.22      dwinter   230:         #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))
1.3       casties   231:         if idx == selected:
                    232:             return style + 'sel'
                    233:         else:
1.9       casties   234:             return style
1.26      casties   235: 
1.2       dwinter   236:         
1.9       casties   237:     def isAccessible(self, docinfo):
1.8       casties   238:         """returns if access to the resource is granted"""
                    239:         access = docinfo.get('accessType', None)
1.22      dwinter   240:         logger("documentViewer (accessOK)", logging.INFO, "access type %s"%access)
1.17      casties   241:         if access is not None and access == 'free':
1.22      dwinter   242:             logger("documentViewer (accessOK)", logging.INFO, "access is free")
1.8       casties   243:             return True
1.17      casties   244:         elif access is None or access in self.authgroups:
1.9       casties   245:             # only local access -- only logged in users
                    246:             user = getSecurityManager().getUser()
                    247:             if user is not None:
                    248:                 #print "user: ", user
                    249:                 return (user.getUserName() != "Anonymous User")
                    250:             else:
                    251:                 return False
1.8       casties   252:         
1.22      dwinter   253:         logger("documentViewer (accessOK)", logging.INFO, "unknown access type %s"%access)
1.8       casties   254:         return False
1.9       casties   255:     
1.8       casties   256:                 
1.35      dwinter   257:     def getDirinfoFromDigilib(self,path,docinfo=None,cut=0):
1.6       casties   258:         """gibt param von dlInfo aus"""
1.13      casties   259:         num_retries = 3
1.7       casties   260:         if docinfo is None:
                    261:             docinfo = {}
1.35      dwinter   262:         
                    263:         for x in range(cut):
1.38      dwinter   264:                
1.35      dwinter   265:                 path=getParentDir(path)
1.38      dwinter   266:        
1.13      casties   267:         infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path
1.6       casties   268:     
1.22      dwinter   269:         logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo from %s"%(infoUrl))
1.6       casties   270:         
1.13      casties   271:         for cnt in range(num_retries):
1.9       casties   272:             try:
1.13      casties   273:                 # dom = NonvalidatingReader.parseUri(imageUrl)
                    274:                 txt=urllib.urlopen(infoUrl).read()
                    275:                 dom = Parse(txt)
1.9       casties   276:                 break
                    277:             except:
1.22      dwinter   278:                 logger("documentViewer (getdirinfofromdigilib)", logging.ERROR, "error reading %s (try %d)"%(infoUrl,cnt))
1.9       casties   279:         else:
1.13      casties   280:             raise IOError("Unable to get dir-info from %s"%(infoUrl))
1.6       casties   281:         
1.10      casties   282:         sizes=dom.xpath("//dir/size")
1.22      dwinter   283:         logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo:size"%sizes)
1.6       casties   284:         
1.10      casties   285:         if sizes:
                    286:             docinfo['numPages'] = int(getTextFromNode(sizes[0]))
1.7       casties   287:         else:
                    288:             docinfo['numPages'] = 0
                    289:                         
                    290:         return docinfo
1.8       casties   291:     
1.6       casties   292:             
1.9       casties   293:     def getIndexMeta(self, url):
                    294:         """returns dom of index.meta document at url"""
1.12      casties   295:         num_retries = 3
1.9       casties   296:         dom = None
1.12      casties   297:         metaUrl = None
1.9       casties   298:         if url.startswith("http://"):
                    299:             # real URL
1.12      casties   300:             metaUrl = url
1.9       casties   301:         else:
                    302:             # online path
                    303:             server=self.digilibBaseUrl+"/servlet/Texter?fn="
1.13      casties   304:             metaUrl=server+url.replace("/mpiwg/online","")
1.9       casties   305:             if not metaUrl.endswith("index.meta"):
                    306:                 metaUrl += "/index.meta"
1.37      dwinter   307:         logging.debug("METAURL: %s"%metaUrl)
1.13      casties   308:         for cnt in range(num_retries):
1.9       casties   309:             try:
1.12      casties   310:                 # patch dirk encoding fehler treten dann nicht mehr auf
1.11      casties   311:                 # dom = NonvalidatingReader.parseUri(metaUrl)
1.12      casties   312:                 txt=urllib.urlopen(metaUrl).read()
                    313:                 dom = Parse(txt)
1.13      casties   314:                 break
1.9       casties   315:             except:
1.22      dwinter   316:                 logger("ERROR documentViewer (getIndexMata)", logging.INFO,"%s (%s)"%sys.exc_info()[0:2])
1.12      casties   317:                 
                    318:         if dom is None:
                    319:             raise IOError("Unable to read index meta from %s"%(url))
1.9       casties   320:                  
                    321:         return dom
1.20      dwinter   322:     
                    323:     def getPresentationInfoXML(self, url):
                    324:         """returns dom of info.xml document at url"""
                    325:         num_retries = 3
                    326:         dom = None
                    327:         metaUrl = None
                    328:         if url.startswith("http://"):
                    329:             # real URL
                    330:             metaUrl = url
                    331:         else:
                    332:             # online path
                    333:             server=self.digilibBaseUrl+"/servlet/Texter?fn="
                    334:             metaUrl=server+url.replace("/mpiwg/online","")
                    335:            
                    336:         
                    337:         for cnt in range(num_retries):
                    338:             try:
                    339:                 # patch dirk encoding fehler treten dann nicht mehr auf
                    340:                 # dom = NonvalidatingReader.parseUri(metaUrl)
1.40    ! casties   341:                 logging.debug("getpresentationinfoxml: metaurl=%s"%metaUrl)
1.20      dwinter   342:                 txt=urllib.urlopen(metaUrl).read()
                    343:                 dom = Parse(txt)
                    344:                 break
                    345:             except:
1.22      dwinter   346:                 logger("ERROR documentViewer (getPresentationInfoXML)", logging.INFO,"%s (%s)"%sys.exc_info()[0:2])
1.20      dwinter   347:                 
                    348:         if dom is None:
                    349:             raise IOError("Unable to read infoXMLfrom %s"%(url))
                    350:                  
                    351:         return dom
1.9       casties   352:                         
                    353:         
1.33      dwinter   354:     def getAuthinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
1.9       casties   355:         """gets authorization info from the index.meta file at path or given by dom"""
1.22      dwinter   356:         logger("documentViewer (getauthinfofromindexmeta)", logging.INFO,"path: %s"%(path))
1.8       casties   357:         
                    358:         access = None
                    359:         
                    360:         if docinfo is None:
                    361:             docinfo = {}
                    362:             
                    363:         if dom is None:
1.38      dwinter   364:             for x in range(cut):
1.33      dwinter   365:                 path=getParentDir(path)
                    366:             dom = self.getIndexMeta(path)
1.18      dwinter   367:        
1.8       casties   368:         acctype = dom.xpath("//access-conditions/access/@type")
                    369:         if acctype and (len(acctype)>0):
                    370:             access=acctype[0].value
1.9       casties   371:             if access in ['group', 'institution']:
1.8       casties   372:                 access = getTextFromNode(dom.xpath("//access-conditions/access/name")[0]).lower()
                    373:             
                    374:         docinfo['accessType'] = access
                    375:         return docinfo
1.6       casties   376:     
1.8       casties   377:         
1.33      dwinter   378:     def getBibinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
1.9       casties   379:         """gets bibliographical info from the index.meta file at path or given by dom"""
1.27      casties   380:         logging.debug("documentViewer (getbibinfofromindexmeta) path: %s"%(path))
1.2       dwinter   381:         
1.3       casties   382:         if docinfo is None:
                    383:             docinfo = {}
1.38      dwinter   384:         
1.3       casties   385:         if dom is None:
1.38      dwinter   386:             for x in range(cut):
1.33      dwinter   387:                 path=getParentDir(path)
                    388:             dom = self.getIndexMeta(path)
1.39      dwinter   389:         
                    390:         logging.debug("documentViewer (getbibinfofromindexmeta cutted) path: %s"%(path))
1.27      casties   391:         # put in all raw bib fields as dict "bib"
                    392:         bib = dom.xpath("//bib/*")
                    393:         if bib and len(bib)>0:
                    394:             bibinfo = {}
                    395:             for e in bib:
                    396:                 bibinfo[e.localName] = getTextFromNode(e)
                    397:             docinfo['bib'] = bibinfo
                    398:         
                    399:         # extract some fields (author, title, year) according to their mapping
1.4       casties   400:         metaData=self.metadata.main.meta.bib
                    401:         bibtype=dom.xpath("//bib/@type")
                    402:         if bibtype and (len(bibtype)>0):
                    403:             bibtype=bibtype[0].value
1.2       dwinter   404:         else:
1.4       casties   405:             bibtype="generic"
1.27      casties   406:             
1.4       casties   407:         bibtype=bibtype.replace("-"," ") # wrong typesiin index meta "-" instead of " " (not wrong! ROC)
1.27      casties   408:         docinfo['bib_type'] = bibtype
1.4       casties   409:         bibmap=metaData.generateMappingForType(bibtype)
1.8       casties   410:         # if there is no mapping bibmap is empty (mapping sometimes has empty fields)
1.7       casties   411:         if len(bibmap) > 0 and len(bibmap['author'][0]) > 0:
1.30      casties   412:             try:
                    413:                 docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['author'][0])[0])
                    414:             except: pass
                    415:             try:
                    416:                 docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['title'][0])[0])
                    417:             except: pass
                    418:             try:
                    419:                 docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['year'][0])[0])
                    420:             except: pass
1.27      casties   421:             logging.debug("documentViewer (getbibinfofromindexmeta) using mapping for %s"%bibtype)
1.22      dwinter   422:             try:
                    423:                 docinfo['lang']=getTextFromNode(dom.xpath("//bib/lang")[0])
                    424:             except:
                    425:                 docinfo['lang']=''
1.27      casties   426: 
1.3       casties   427:         return docinfo
                    428: 
                    429:         
1.8       casties   430:     def getDocinfoFromTextTool(self,url,dom=None,docinfo=None):
1.3       casties   431:        """parse texttool tag in index meta"""
1.22      dwinter   432:        logger("documentViewer (getdocinfofromtexttool)", logging.INFO,"url: %s"%(url))
1.3       casties   433:        if docinfo is None:
                    434:            docinfo = {}
                    435:            
1.22      dwinter   436:        if docinfo.get('lang',None) is None:
                    437:            docinfo['lang']='' # default keine Sprache gesetzt
1.8       casties   438:        if dom is None:
1.9       casties   439:            dom = self.getIndexMeta(url)
1.8       casties   440:        
1.16      casties   441:        archivePath = None
                    442:        archiveName = None
                    443: 
1.8       casties   444:        archiveNames=dom.xpath("//resource/name")
                    445:        if archiveNames and (len(archiveNames)>0):
                    446:            archiveName=getTextFromNode(archiveNames[0])
1.16      casties   447:        else:
1.22      dwinter   448:            logger("documentViewer (getdocinfofromtexttool)", logging.WARNING,"resource/name missing in: %s"%(url))
1.3       casties   449:        
                    450:        archivePaths=dom.xpath("//resource/archive-path")
                    451:        if archivePaths and (len(archivePaths)>0):
                    452:            archivePath=getTextFromNode(archivePaths[0])
1.8       casties   453:            # clean up archive path
                    454:            if archivePath[0] != '/':
                    455:                archivePath = '/' + archivePath
1.16      casties   456:            if archiveName and (not archivePath.endswith(archiveName)):
1.8       casties   457:                archivePath += "/" + archiveName
1.3       casties   458:        else:
1.16      casties   459:            # try to get archive-path from url
1.22      dwinter   460:            logger("documentViewer (getdocinfofromtexttool)", logging.WARNING,"resource/archive-path missing in: %s"%(url))
1.16      casties   461:            if (not url.startswith('http')):
                    462:                archivePath = url.replace('index.meta', '')
                    463:                
                    464:        if archivePath is None:
                    465:            # we balk without archive-path
                    466:            raise IOError("Missing archive-path (for text-tool) in %s"%(url))
1.3       casties   467:        
1.9       casties   468:        imageDirs=dom.xpath("//texttool/image")
                    469:        if imageDirs and (len(imageDirs)>0):
                    470:            imageDir=getTextFromNode(imageDirs[0])
1.3       casties   471:        else:
1.22      dwinter   472:            # we balk with no image tag / not necessary anymore because textmode is now standard
                    473:            #raise IOError("No text-tool info in %s"%(url))
                    474:            imageDir=""
                    475:            docinfo['numPages']=1 # im moment einfach auf eins setzen, navigation ueber die thumbs geht natuerlich nicht
                    476:        
                    477:            docinfo['imagePath'] = "" # keine Bilder
                    478:            docinfo['imageURL'] = ""
                    479: 
1.9       casties   480:        if imageDir and archivePath:
                    481:            #print "image: ", imageDir, " archivepath: ", archivePath
                    482:            imageDir=os.path.join(archivePath,imageDir)
                    483:            imageDir=imageDir.replace("/mpiwg/online",'')
                    484:            docinfo=self.getDirinfoFromDigilib(imageDir,docinfo=docinfo)
                    485:            docinfo['imagePath'] = imageDir
1.38      dwinter   486:            
1.9       casties   487:            docinfo['imageURL'] = self.digilibBaseUrl+"/servlet/Scaler?fn="+imageDir
1.3       casties   488:            
                    489:        viewerUrls=dom.xpath("//texttool/digiliburlprefix")
                    490:        if viewerUrls and (len(viewerUrls)>0):
                    491:            viewerUrl=getTextFromNode(viewerUrls[0])
1.7       casties   492:            docinfo['viewerURL'] = viewerUrl
1.3       casties   493:                   
                    494:        textUrls=dom.xpath("//texttool/text")
                    495:        if textUrls and (len(textUrls)>0):
                    496:            textUrl=getTextFromNode(textUrls[0])
1.19      dwinter   497:            if urlparse.urlparse(textUrl)[0]=="": #keine url
                    498:                textUrl=os.path.join(archivePath,textUrl) 
1.31      casties   499:            # fix URLs starting with /mpiwg/online
                    500:            if textUrl.startswith("/mpiwg/online"):
                    501:                textUrl = textUrl.replace("/mpiwg/online",'',1)
                    502:            
1.7       casties   503:            docinfo['textURL'] = textUrl
1.20      dwinter   504:    
                    505:        presentationUrls=dom.xpath("//texttool/presentation")
1.22      dwinter   506:        docinfo = self.getBibinfoFromIndexMeta(url,docinfo=docinfo,dom=dom)   # get info von bib tag
                    507:        
                    508:        if presentationUrls and (len(presentationUrls)>0): # ueberschreibe diese durch presentation informationen 
1.40    ! casties   509:            # presentation url ergiebt sich ersetzen von index.meta in der url der fuer die Metadaten
        !           510:            # durch den relativen Pfad auf die presentation infos
        !           511:            presentationPath = getTextFromNode(presentationUrls[0])
        !           512:            if url.endswith("index.meta"): 
        !           513:                presentationUrl=url.replace('index.meta',presentationPath)
        !           514:            else:
        !           515:                presentationUrl=url + "/" + presentationPath
        !           516:                
1.20      dwinter   517:            docinfo = self.getBibinfoFromTextToolPresentation(presentationUrl,docinfo=docinfo,dom=dom)
1.22      dwinter   518: 
1.25      casties   519:        docinfo = self.getAuthinfoFromIndexMeta(url,docinfo=docinfo,dom=dom)   # get access info
1.3       casties   520:        return docinfo
                    521:    
1.20      dwinter   522:    
                    523:     def getBibinfoFromTextToolPresentation(self,url,docinfo=None,dom=None):
                    524:         """gets the bibliographical information from the preseantion entry in texttools
                    525:         """
                    526:         dom=self.getPresentationInfoXML(url)
1.29      casties   527:         try:
                    528:             docinfo['author']=getTextFromNode(dom.xpath("//author")[0])
                    529:         except:
                    530:             pass
                    531:         try:
                    532:             docinfo['title']=getTextFromNode(dom.xpath("//title")[0])
                    533:         except:
                    534:             pass
                    535:         try:
                    536:             docinfo['year']=getTextFromNode(dom.xpath("//date")[0])
                    537:         except:
                    538:             pass
1.20      dwinter   539:         return docinfo
                    540:     
1.33      dwinter   541:     def getDocinfoFromImagePath(self,path,docinfo=None,cut=0):
1.3       casties   542:         """path ist the path to the images it assumes that the index.meta file is one level higher."""
1.22      dwinter   543:         logger("documentViewer (getdocinfofromimagepath)", logging.INFO,"path: %s"%(path))
1.3       casties   544:         if docinfo is None:
                    545:             docinfo = {}
1.6       casties   546:         path=path.replace("/mpiwg/online","")
1.3       casties   547:         docinfo['imagePath'] = path
1.35      dwinter   548:         docinfo=self.getDirinfoFromDigilib(path,docinfo=docinfo,cut=cut)
1.38      dwinter   549:         
1.39      dwinter   550:         pathorig=path
1.38      dwinter   551:         for x in range(cut):       
                    552:                 path=getParentDir(path)
                    553:         logging.error("PATH:"+path)
1.7       casties   554:         imageUrl=self.digilibBaseUrl+"/servlet/Scaler?fn="+path
1.3       casties   555:         docinfo['imageURL'] = imageUrl
                    556:         
1.39      dwinter   557:         #path ist the path to the images it assumes that the index.meta file is one level higher.
                    558:         docinfo = self.getBibinfoFromIndexMeta(pathorig,docinfo=docinfo,cut=cut+1)
                    559:         docinfo = self.getAuthinfoFromIndexMeta(pathorig,docinfo=docinfo,cut=cut+1)
1.3       casties   560:         return docinfo
                    561:     
1.2       dwinter   562:     
1.3       casties   563:     def getDocinfo(self, mode, url):
                    564:         """returns docinfo depending on mode"""
1.22      dwinter   565:         logger("documentViewer (getdocinfo)", logging.INFO,"mode: %s, url: %s"%(mode,url))
1.3       casties   566:         # look for cached docinfo in session
1.21      dwinter   567:         if self.REQUEST.SESSION.has_key('docinfo'):
1.3       casties   568:             docinfo = self.REQUEST.SESSION['docinfo']
                    569:             # check if its still current
                    570:             if docinfo is not None and docinfo.get('mode') == mode and docinfo.get('url') == url:
1.22      dwinter   571:                 logger("documentViewer (getdocinfo)", logging.INFO,"docinfo in session: %s"%docinfo)
1.3       casties   572:                 return docinfo
                    573:         # new docinfo
                    574:         docinfo = {'mode': mode, 'url': url}
                    575:         if mode=="texttool": #index.meta with texttool information
                    576:             docinfo = self.getDocinfoFromTextTool(url, docinfo=docinfo)
                    577:         elif mode=="imagepath":
                    578:             docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo)
1.33      dwinter   579:         elif mode=="filepath":
1.37      dwinter   580:             docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo,cut=1)
1.3       casties   581:         else:
1.22      dwinter   582:             logger("documentViewer (getdocinfo)", logging.ERROR,"unknown mode!")
1.10      casties   583:             raise ValueError("Unknown mode %s"%(mode))
                    584:                         
1.22      dwinter   585:         logger("documentViewer (getdocinfo)", logging.INFO,"docinfo: %s"%docinfo)
1.3       casties   586:         self.REQUEST.SESSION['docinfo'] = docinfo
                    587:         return docinfo
1.2       dwinter   588:         
                    589:         
1.4       casties   590:     def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None):
1.3       casties   591:         """returns pageinfo with the given parameters"""
                    592:         pageinfo = {}
1.4       casties   593:         current = getInt(current)
                    594:         pageinfo['current'] = current
                    595:         rows = int(rows or self.thumbrows)
                    596:         pageinfo['rows'] = rows
                    597:         cols = int(cols or self.thumbcols)
                    598:         pageinfo['cols'] = cols
                    599:         grpsize = cols * rows
                    600:         pageinfo['groupsize'] = grpsize
1.28      casties   601:         start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1)))
                    602:         # int(current / grpsize) * grpsize +1))
1.3       casties   603:         pageinfo['start'] = start
1.4       casties   604:         pageinfo['end'] = start + grpsize
                    605:         if docinfo is not None:
                    606:             np = int(docinfo['numPages'])
                    607:             pageinfo['end'] = min(pageinfo['end'], np)
                    608:             pageinfo['numgroups'] = int(np / grpsize)
                    609:             if np % grpsize > 0:
                    610:                 pageinfo['numgroups'] += 1
1.38      dwinter   611: 
1.3       casties   612:         return pageinfo
                    613:                 
1.1       dwinter   614:     def text(self,mode,url,pn):
                    615:         """give text"""
                    616:         if mode=="texttool": #index.meta with texttool information
                    617:             (viewerUrl,imagepath,textpath)=parseUrlTextTool(url)
                    618:         
1.9       casties   619:         #print textpath
1.1       dwinter   620:         try:
                    621:             dom = NonvalidatingReader.parseUri(textpath)
                    622:         except:
                    623:             return None
                    624:     
                    625:         list=[]
                    626:         nodes=dom.xpath("//pb")
                    627: 
                    628:         node=nodes[int(pn)-1]
                    629:         
                    630:         p=node
                    631:         
                    632:         while p.tagName!="p":
                    633:             p=p.parentNode
                    634:         
                    635:         
                    636:         endNode=nodes[int(pn)]
                    637:         
                    638:         
                    639:         e=endNode
                    640:         
                    641:         while e.tagName!="p":
                    642:             e=e.parentNode
                    643:         
                    644:         
                    645:         next=node.parentNode
                    646:         
                    647:         #sammle s
                    648:         while next and (next!=endNode.parentNode):
                    649:             list.append(next)    
                    650:             next=next.nextSibling    
                    651:         list.append(endNode.parentNode)
                    652:         
                    653:         if p==e:# beide im selben paragraphen
1.2       dwinter   654:             pass
                    655: #    else:
                    656: #            next=p
                    657: #            while next!=e:
                    658: #                print next,e
                    659: #                list.append(next)
                    660: #                next=next.nextSibling
                    661: #            
                    662: #        for x in list:
                    663: #            PrettyPrint(x)
                    664: #
                    665: #        return list
1.3       casties   666: #
                    667: 
                    668:     def findDigilibUrl(self):
                    669:         """try to get the digilib URL from zogilib"""
                    670:         url = self.imageViewerUrl[:-1] + "/getScalerUrl"
1.20      dwinter   671:         #print urlparse.urlparse(url)[0]
                    672:         #print urlparse.urljoin(self.absolute_url(),url)
                    673:         logging.info("finddigiliburl: %s"%urlparse.urlparse(url)[0])
                    674:         logging.info("finddigiliburl: %s"%urlparse.urljoin(self.absolute_url(),url))
                    675:         
1.3       casties   676:         try:
1.18      dwinter   677:             if urlparse.urlparse(url)[0]=='': #relative path
                    678:                 url=urlparse.urljoin(self.absolute_url()+"/",url)
                    679:                 
1.3       casties   680:             scaler = urlopen(url).read()
                    681:             return scaler.replace("/servlet/Scaler?", "")
                    682:         except:
                    683:             return None
                    684:     
1.18      dwinter   685:     def changeDocumentViewer(self,imageViewerUrl,textViewerUrl,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=10,authgroups='mpiwg',RESPONSE=None):
1.3       casties   686:         """init document viewer"""
                    687:         self.title=title
                    688:         self.imageViewerUrl=imageViewerUrl
1.18      dwinter   689:         self.textViewerUrl=textViewerUrl
1.3       casties   690:         self.digilibBaseUrl = digilibBaseUrl
1.4       casties   691:         self.thumbrows = thumbrows
                    692:         self.thumbcols = thumbcols
1.8       casties   693:         self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
1.3       casties   694:         if RESPONSE is not None:
                    695:             RESPONSE.redirect('manage_main')
1.1       dwinter   696:     
                    697:     
                    698:         
                    699:         
                    700: #    security.declareProtected('View management screens','renameImageForm')
                    701: 
                    702: def manage_AddDocumentViewerForm(self):
                    703:     """add the viewer form"""
1.3       casties   704:     pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self)
1.1       dwinter   705:     return pt()
                    706:   
1.18      dwinter   707: def manage_AddDocumentViewer(self,id,imageViewerUrl="",textViewerUrl="",title="",RESPONSE=None):
1.1       dwinter   708:     """add the viewer"""
1.18      dwinter   709:     newObj=documentViewer(id,imageViewerUrl,title=title,textViewerUrl=textViewerUrl)
1.1       dwinter   710:     self._setObject(id,newObj)
                    711:     
                    712:     if RESPONSE is not None:
                    713:         RESPONSE.redirect('manage_main')
1.3       casties   714: 
                    715: 
                    716: ##
                    717: ## DocumentViewerTemplate class
                    718: ##
                    719: class DocumentViewerTemplate(ZopePageTemplate):
                    720:     """Template for document viewer"""
                    721:     meta_type="DocumentViewer Template"
                    722: 
                    723: 
                    724: def manage_addDocumentViewerTemplateForm(self):
                    725:     """Form for adding"""
                    726:     pt=PageTemplateFile('zpt/addDocumentViewerTemplate', globals()).__of__(self)
                    727:     return pt()
                    728: 
                    729: def manage_addDocumentViewerTemplate(self, id='viewer_main', title=None, text=None,
                    730:                            REQUEST=None, submit=None):
                    731:     "Add a Page Template with optional file content."
                    732: 
                    733:     self._setObject(id, DocumentViewerTemplate(id))
                    734:     ob = getattr(self, id)
1.23      dwinter   735:     txt=file(os.path.join(package_home(globals()),'zpt/viewer_main.zpt'),'r').read()
                    736:     logging.info("txt %s:"%txt)
                    737:     ob.pt_edit(txt,"text/html")
1.3       casties   738:     if title:
                    739:         ob.pt_setTitle(title)
                    740:     try:
                    741:         u = self.DestinationURL()
                    742:     except AttributeError:
                    743:         u = REQUEST['URL1']
                    744:         
                    745:     u = "%s/%s" % (u, urllib.quote(id))
                    746:     REQUEST.RESPONSE.redirect(u+'/manage_main')
                    747:     return ''
                    748: 
                    749: 
1.14      casties   750:     

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>