Annotation of documentViewer/documentViewer.py, revision 1.21

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

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