Annotation of documentViewer/documentViewer.py, revision 1.175.2.30

1.1       dwinter     1: from OFS.Folder import Folder
                      2: from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
1.175.2.29  casties     3: from Products.PageTemplates.PageTemplateFile import PageTemplateFile
1.175.2.30! casties     4: from App.ImageFile import ImageFile
        !             5: #from Products.ZSimpleFile.ZSimpleFile import ZSimpleFile
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: 
1.175.2.1  casties    10: #from Ft.Xml import EMPTY_NAMESPACE, Parse 
                     11: #import Ft.Xml.Domlette
                     12: 
                     13: import xml.etree.ElementTree as ET
                     14: 
1.1       dwinter    15: import os.path
1.7       casties    16: import sys
1.1       dwinter    17: import urllib
1.20      dwinter    18: import logging
1.28      casties    19: import math
1.18      dwinter    20: import urlparse 
1.99      dwinter    21: import re
1.149     abukhman   22: import string
1.117     abukhman   23: 
1.175.2.5  casties    24: from SrvTxtUtils import getInt, getText, getHttpData
                     25: 
1.22      dwinter    26: def logger(txt,method,txt2):
                     27:     """logging"""
                     28:     logging.info(txt+ txt2)
                     29:     
                     30:     
1.170     abukhman   31: def serializeNode(node, encoding="utf-8"):
1.43      casties    32:     """returns a string containing node as XML"""
1.175.2.1  casties    33:     s = ET.tostring(node)
                     34:     
                     35:     # 4Suite:
                     36:     #    stream = cStringIO.StringIO()
                     37:     #    Ft.Xml.Domlette.Print(node, stream=stream, encoding=encoding)
                     38:     #    s = stream.getvalue()
                     39:     #    stream.close()
1.43      casties    40:     return s
                     41: 
1.148     abukhman   42: def browserCheck(self):
                     43:     """check the browsers request to find out the browser type"""
                     44:     bt = {}
                     45:     ua = self.REQUEST.get_header("HTTP_USER_AGENT")
                     46:     bt['ua'] = ua
                     47:     bt['isIE'] = False
                     48:     bt['isN4'] = False
1.165     abukhman   49:     bt['versFirefox']=""
                     50:     bt['versIE']=""
                     51:     bt['versSafariChrome']=""
                     52:     bt['versOpera']=""
                     53:     
1.148     abukhman   54:     if string.find(ua, 'MSIE') > -1:
                     55:         bt['isIE'] = True
                     56:     else:
                     57:         bt['isN4'] = (string.find(ua, 'Mozilla/4.') > -1)
1.165     abukhman   58:     # Safari oder Chrome identification    
                     59:     try:
                     60:         nav = ua[string.find(ua, '('):]
                     61:         nav1=ua[string.find(ua,')'):]
                     62:         nav2=nav1[string.find(nav1,'('):]
                     63:         nav3=nav2[string.find(nav2,')'):]
                     64:         ie = string.split(nav, "; ")[1]
                     65:         ie1 =string.split(nav1, " ")[2]
                     66:         ie2 =string.split(nav3, " ")[1]
                     67:         ie3 =string.split(nav3, " ")[2]
                     68:         if string.find(ie3, "Safari") >-1:
                     69:             bt['versSafariChrome']=string.split(ie2, "/")[1]
                     70:     except: pass
                     71:     # IE identification
1.148     abukhman   72:     try:
                     73:         nav = ua[string.find(ua, '('):]
                     74:         ie = string.split(nav, "; ")[1]
                     75:         if string.find(ie, "MSIE") > -1:
                     76:             bt['versIE'] = string.split(ie, " ")[1]
1.165     abukhman   77:     except:pass
                     78:     # Firefox identification
                     79:     try:
                     80:         nav = ua[string.find(ua, '('):]
                     81:         nav1=ua[string.find(ua,')'):]
                     82:         if string.find(ie1, "Firefox") >-1:
                     83:             nav5= string.split(ie1, "/")[1]
                     84:             logging.debug("FIREFOX: %s"%(nav5))
1.166     abukhman   85:             bt['versFirefox']=nav5[0:3]                   
1.165     abukhman   86:     except:pass
                     87:     #Opera identification
                     88:     try:
                     89:         if string.find(ua,"Opera") >-1:
                     90:             nav = ua[string.find(ua, '('):]
                     91:             nav1=nav[string.find(nav,')'):]
                     92:             bt['versOpera']=string.split(nav1,"/")[2]
                     93:     except:pass
1.148     abukhman   94:     
                     95:     bt['isMac'] = string.find(ua, 'Macintosh') > -1
                     96:     bt['isWin'] = string.find(ua, 'Windows') > -1
                     97:     bt['isIEWin'] = bt['isIE'] and bt['isWin']
                     98:     bt['isIEMac'] = bt['isIE'] and bt['isMac']
                     99:     bt['staticHTML'] = False
                    100: 
                    101:     return bt
1.118     abukhman  102: 
1.175.2.11  casties   103: def getParentPath(path, cnt=1):
                    104:     """returns pathname shortened by cnt"""
                    105:     # make sure path doesn't end with /
                    106:     path = path.rstrip('/')
                    107:     # split by /, shorten, and reassemble
                    108:     return '/'.join(path.split('/')[0:-cnt])
                    109: 
1.175.2.8  casties   110: 
1.3       casties   111: ##
                    112: ## documentViewer class
                    113: ##
                    114: class documentViewer(Folder):
1.1       dwinter   115:     """document viewer"""
                    116:     meta_type="Document viewer"
                    117:     
                    118:     security=ClassSecurityInfo()
1.3       casties   119:     manage_options=Folder.manage_options+(
1.1       dwinter   120:         {'label':'main config','action':'changeDocumentViewerForm'},
                    121:         )
1.175.2.10  casties   122:     
                    123:     metadataService = None
                    124:     """MetaDataFolder instance"""
1.1       dwinter   125: 
1.3       casties   126:     # templates and forms
1.175.2.25  casties   127:     viewer_text = PageTemplateFile('zpt/viewer_text', globals())
1.175.2.28  casties   128:     viewer_images = PageTemplateFile('zpt/viewer_images', globals())
1.3       casties   129:     viewer_main = PageTemplateFile('zpt/viewer_main', globals())
1.44      casties   130:     toc_thumbs = PageTemplateFile('zpt/toc_thumbs', globals())
                    131:     toc_text = PageTemplateFile('zpt/toc_text', globals())
                    132:     toc_figures = PageTemplateFile('zpt/toc_figures', globals())
1.43      casties   133:     page_main_images = PageTemplateFile('zpt/page_main_images', globals())
1.161     abukhman  134:     page_main_double = PageTemplateFile('zpt/page_main_double', globals())
1.43      casties   135:     page_main_text = PageTemplateFile('zpt/page_main_text', globals())
1.44      casties   136:     page_main_text_dict = PageTemplateFile('zpt/page_main_text_dict', globals())
1.77      abukhman  137:     page_main_gis =PageTemplateFile ('zpt/page_main_gis', globals())
1.48      abukhman  138:     page_main_xml = PageTemplateFile('zpt/page_main_xml', globals())
1.157     abukhman  139:     page_main_pureXml = PageTemplateFile('zpt/page_main_pureXml', globals())
1.3       casties   140:     head_main = PageTemplateFile('zpt/head_main', globals())
1.26      casties   141:     info_xml = PageTemplateFile('zpt/info_xml', globals())
1.175.2.26  casties   142:     # TODO: can this be nicer?
1.175.2.30! casties   143:     docuviewer_css = ImageFile('css/docuviewer.css',globals())
1.70      casties   144:     
                    145:     
1.32      dwinter   146:     thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals())
1.3       casties   147: 
1.1       dwinter   148:     
1.45      abukhman  149:     def __init__(self,id,imageScalerUrl=None,textServerName=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=5,authgroups="mpiwg"):
1.1       dwinter   150:         """init document viewer"""
                    151:         self.id=id
                    152:         self.title=title
1.4       casties   153:         self.thumbcols = thumbcols
                    154:         self.thumbrows = thumbrows
1.8       casties   155:         # authgroups is list of authorized groups (delimited by ,)
                    156:         self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
1.43      casties   157:         # create template folder so we can always use template.something
                    158:         
                    159:         templateFolder = Folder('template')
                    160:         #self['template'] = templateFolder # Zope-2.12 style
                    161:         self._setObject('template',templateFolder) # old style
                    162:         try:
1.70      casties   163:             import MpdlXmlTextServer
1.71      casties   164:             textServer = MpdlXmlTextServer.MpdlXmlTextServer(id='fulltextclient',serverName=textServerName)
1.43      casties   165:             #templateFolder['fulltextclient'] = xmlRpcClient
1.70      casties   166:             templateFolder._setObject('fulltextclient',textServer)
1.43      casties   167:         except Exception, e:
1.70      casties   168:             logging.error("Unable to create MpdlXmlTextServer for fulltextclient: "+str(e))
1.175.2.10  casties   169:             
1.43      casties   170:         try:
                    171:             from Products.zogiLib.zogiLib import zogiLib
                    172:             zogilib = zogiLib(id="zogilib", title="zogilib for docuviewer", dlServerURL=imageScalerUrl, layout="book")
                    173:             #templateFolder['zogilib'] = zogilib
                    174:             templateFolder._setObject('zogilib',zogilib)
                    175:         except Exception, e:
                    176:             logging.error("Unable to create zogiLib for zogilib: "+str(e))
1.175.2.10  casties   177:             
                    178:         try:
                    179:             # assume MetaDataFolder instance is called metadata 
                    180:             self.metadataService = getattr(self, 'metadata')
                    181:         except Exception, e:
                    182:             logging.error("Unable to find MetaDataFolder 'metadata': "+str(e))
                    183:             
1.175.2.23  casties   184:         if digilibBaseUrl is not None:
                    185:             self.digilibBaseUrl = digilibBaseUrl
                    186:             
1.70      casties   187:         
                    188:     # proxy text server methods to fulltextclient
                    189:     def getTextPage(self, **args):
                    190:         """get page"""
                    191:         return self.template.fulltextclient.getTextPage(**args)
1.171     abukhman  192: 
                    193:     def getOrigPages(self, **args):
                    194:         """get page"""
                    195:         return self.template.fulltextclient.getOrigPages(**args)
1.167     abukhman  196:     
1.171     abukhman  197:     def getOrigPagesNorm(self, **args):
                    198:         """get page"""
                    199:         return self.template.fulltextclient.getOrigPagesNorm(**args)
                    200: 
1.70      casties   201:     def getQuery(self, **args):
1.163     abukhman  202:         """get query in search"""
1.70      casties   203:         return self.template.fulltextclient.getQuery(**args)
1.163     abukhman  204:      
1.70      casties   205:     def getSearch(self, **args):
                    206:         """get search"""
                    207:         return self.template.fulltextclient.getSearch(**args)
1.120     abukhman  208:     
                    209:     def getGisPlaces(self, **args):
1.121     abukhman  210:         """get gis places"""
1.120     abukhman  211:         return self.template.fulltextclient.getGisPlaces(**args)
1.121     abukhman  212:  
                    213:     def getAllGisPlaces(self, **args):
1.122     abukhman  214:         """get all gis places """
                    215:         return self.template.fulltextclient.getAllGisPlaces(**args)
1.163     abukhman  216:        
1.175.2.24  casties   217:     def getWordInfo(self, **args):
1.70      casties   218:         """get translate"""
1.175.2.24  casties   219:         return self.template.fulltextclient.getWordInfo(**args)
1.70      casties   220: 
                    221:     def getLemma(self, **args):
                    222:         """get lemma"""
                    223:         return self.template.fulltextclient.getLemma(**args)
                    224: 
1.173     abukhman  225:     def getLemmaQuery(self, **args):
                    226:         """get query"""
                    227:         return self.template.fulltextclient.getLemmaQuery(**args)
                    228: 
                    229:     def getLex(self, **args):
                    230:         """get lex"""
                    231:         return self.template.fulltextclient.getLex(**args)
                    232: 
1.70      casties   233:     def getToc(self, **args):
                    234:         """get toc"""
                    235:         return self.template.fulltextclient.getToc(**args)
                    236: 
                    237:     def getTocPage(self, **args):
                    238:         """get tocpage"""
                    239:         return self.template.fulltextclient.getTocPage(**args)
1.3       casties   240: 
1.70      casties   241:     
1.32      dwinter   242:     security.declareProtected('View','thumbs_rss')
                    243:     def thumbs_rss(self,mode,url,viewMode="auto",start=None,pn=1):
                    244:         '''
                    245:         view it
                    246:         @param mode: defines how to access the document behind url 
                    247:         @param url: url which contains display information
                    248:         @param viewMode: if images display images, if text display text, default is images (text,images or auto)
                    249:         
                    250:         '''
1.95      abukhman  251:         logging.debug("HHHHHHHHHHHHHH:load the rss")
1.175.2.5  casties   252:         logging.debug("documentViewer (index) mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
1.32      dwinter   253:         
                    254:         if not hasattr(self, 'template'):
                    255:             # create template folder if it doesn't exist
                    256:             self.manage_addFolder('template')
                    257:             
                    258:         if not self.digilibBaseUrl:
                    259:             self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
                    260:             
                    261:         docinfo = self.getDocinfo(mode=mode,url=url)
1.132     abukhman  262:         #pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
1.138     abukhman  263:         pageinfo = self.getPageinfo(start=start,current=pn, docinfo=docinfo)
1.126     abukhman  264:         ''' ZDES '''
1.32      dwinter   265:         pt = getattr(self.template, 'thumbs_main_rss')
                    266:         
                    267:         if viewMode=="auto": # automodus gewaehlt
1.159     casties   268:             if docinfo.has_key("textURL") or docinfo.get('textURLPath',None): #texturl gesetzt und textViewer konfiguriert
1.32      dwinter   269:                 viewMode="text"
                    270:             else:
                    271:                 viewMode="images"
                    272:                
                    273:         return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)
1.175.2.12  casties   274: 
1.32      dwinter   275:   
1.3       casties   276:     security.declareProtected('View','index_html')
1.175.2.18  casties   277:     def index_html(self,url,mode="texttool",viewMode="auto",viewType=None,tocMode="thumbs",start=1,pn=1):
1.175.2.11  casties   278:         """
1.175.2.17  casties   279:         view page
1.3       casties   280:         @param url: url which contains display information
1.175.2.17  casties   281:         @param mode: defines how to access the document behind url 
                    282:         @param viewMode: 'images': display images, 'text': display text, default is 'auto'
                    283:         @param viewType: sub-type of viewMode, e.g. 'dict' for viewMode='text'
1.48      abukhman  284:         @param tocMode: type of 'table of contents' for navigation (thumbs, text, figures, none)
1.175.2.11  casties   285:         """
1.3       casties   286:         
1.175.2.21  casties   287:         logging.debug("documentViewer(index_html) mode=%s url=%s viewMode=%s viewType=%s start=%s pn=%s"%(mode,url,viewMode,viewType,start,pn))
1.1       dwinter   288:         
1.3       casties   289:         if not hasattr(self, 'template'):
1.43      casties   290:             # this won't work
                    291:             logging.error("template folder missing!")
                    292:             return "ERROR: template folder missing!"
1.3       casties   293:             
1.43      casties   294:         if not getattr(self, 'digilibBaseUrl', None):
1.71      casties   295:             self.digilibBaseUrl = self.findDigilibUrl() or "http://digilib.mpiwg-berlin.mpg.de/digitallibrary"
1.3       casties   296:             
1.4       casties   297:         docinfo = self.getDocinfo(mode=mode,url=url)
1.47      abukhman  298:         
1.44      casties   299:         if tocMode != "thumbs":
                    300:             # get table of contents
                    301:             docinfo = self.getToc(mode=tocMode, docinfo=docinfo)
1.175.2.3  casties   302: 
1.175.2.17  casties   303:         # auto viewMode: text if there is a text else images
1.175.2.3  casties   304:         if viewMode=="auto": 
                    305:             if docinfo.get('textURL', None) or docinfo.get('textURLPath', None): 
1.175.2.17  casties   306:                 viewMode = "text"
                    307:                 viewType = "dict"
1.21      dwinter   308:             else:
1.175.2.17  casties   309:                 viewMode = "images"
1.44      casties   310:                 
1.175.2.20  casties   311:         elif viewMode == "text_dict":
                    312:             # legacy fix
                    313:             viewMode = "text"
                    314:             viewType = "dict"
                    315:             
1.175.2.21  casties   316:         # stringify viewType
                    317:         if isinstance(viewType, list):
1.175.2.24  casties   318:             logging.debug("index_html: viewType is list:%s"%viewType)
1.175.2.21  casties   319:             viewType = ','.join([t for t in viewType if t])
                    320:                         
1.175.2.18  casties   321:         pageinfo = self.getPageinfo(start=start, current=pn, docinfo=docinfo, viewMode=viewMode, viewType=viewType, tocMode=tocMode)
1.175.2.16  casties   322:                     
1.175.2.21  casties   323:         # get template /template/viewer_$viewMode
                    324:         pt = getattr(self.template, 'viewer_%s'%viewMode, None)
                    325:         if pt is None:
                    326:             logging.error("No template for viewMode=%s!"%viewMode)
                    327:             # TODO: error page?
                    328:             return "No template for viewMode=%s!"%viewMode
                    329:         
1.175.2.3  casties   330:         # and execute with parameters
1.175.2.17  casties   331:         return pt(docinfo=docinfo, pageinfo=pageinfo)
1.1       dwinter   332:   
1.36      dwinter   333:     def generateMarks(self,mk):
                    334:         ret=""
1.44      casties   335:         if mk is None:
                    336:             return ""
1.73      casties   337:         if not isinstance(mk, list):
1.71      casties   338:             mk=[mk]
1.36      dwinter   339:         for m in mk:
1.37      dwinter   340:             ret+="mk=%s"%m
1.36      dwinter   341:         return ret
1.149     abukhman  342:     
                    343:     
1.148     abukhman  344:     def getBrowser(self):
                    345:         """getBrowser the version of browser """
1.162     casties   346:         bt = browserCheck(self)
1.164     abukhman  347:         logging.debug("BROWSER VERSION: %s"%(bt))
1.162     casties   348:         return bt
1.148     abukhman  349:         
1.43      casties   350:     def findDigilibUrl(self):
                    351:         """try to get the digilib URL from zogilib"""
                    352:         url = self.template.zogilib.getDLBaseUrl()
                    353:         return url
1.175.2.26  casties   354:     
                    355:     def getScalerUrl(self, fn=None, pn=None, dw=100, dh=100, docinfo=None):
                    356:         """returns URL to digilib Scaler with params"""
                    357:         url = None
                    358:         if docinfo is not None:
                    359:             url = docinfo.get('imageURL', None)
                    360:             
                    361:         if url is None:
                    362:             url = "%s/servlet/Scaler?"%self.digilibBaseUrl
                    363:             if fn is None and docinfo is not None:
                    364:                 fn = docinfo.get('imagePath','')
                    365:             
                    366:             url += "fn=%s"%fn
                    367:             
                    368:         if pn:
                    369:             url += "&pn=%s"%pn
                    370:             
                    371:         url += "&dw=%s&dh=%s"%(dw,dh)
                    372:         return url
1.67      casties   373: 
                    374:     def getDocumentViewerURL(self):
                    375:         """returns the URL of this instance"""
                    376:         return self.absolute_url()
1.43      casties   377:     
                    378:     def getStyle(self, idx, selected, style=""):
1.175.2.26  casties   379:         """returns a string with the given style and append 'sel' if idx == selected."""
1.43      casties   380:         #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))
                    381:         if idx == selected:
                    382:             return style + 'sel'
                    383:         else:
                    384:             return style
1.36      dwinter   385:     
1.175.2.24  casties   386:     def getParams(self, param=None, val=None, params=None, duplicates=None):
1.175.2.16  casties   387:         """returns dict with URL parameters.
                    388:         
                    389:         Takes URL parameters and additionally param=val or dict params.
                    390:         Deletes key if value is None."""
1.162     casties   391:         # copy existing request params
1.175.2.16  casties   392:         newParams=self.REQUEST.form.copy()
1.162     casties   393:         # change single param
1.4       casties   394:         if param is not None:
1.7       casties   395:             if val is None:
1.175.2.16  casties   396:                 if newParams.has_key(param):
                    397:                     del newParams[param]
1.4       casties   398:             else:
1.175.2.16  casties   399:                 newParams[param] = str(val)
1.43      casties   400:                 
1.162     casties   401:         # change more params
                    402:         if params is not None:
1.175.2.24  casties   403:             for (k, v) in params.items():
1.162     casties   404:                 if v is None:
                    405:                     # val=None removes param
1.175.2.16  casties   406:                     if newParams.has_key(k):
                    407:                         del newParams[k]
1.162     casties   408:                         
                    409:                 else:
1.175.2.16  casties   410:                     newParams[k] = v
1.175.2.24  casties   411: 
                    412:         if duplicates:
                    413:             # eliminate lists (coming from duplicate keys)
                    414:             for (k,v) in newParams.items():
                    415:                 if isinstance(v, list):
                    416:                     if duplicates == 'comma':
                    417:                         # make comma-separated list of non-empty entries
                    418:                         newParams[k] = ','.join([t for t in v if t])
                    419:                     elif duplicates == 'first':
                    420:                         # take first non-empty entry
                    421:                         newParams[k] = [t for t in v if t][0]
                    422:         
1.175.2.16  casties   423:         return newParams
                    424:     
1.175.2.24  casties   425:     def getLink(self, param=None, val=None, params=None, baseUrl=None, paramSep='&', duplicates='comma'):
1.175.2.16  casties   426:         """returns URL to documentviewer with parameter param set to val or from dict params"""
1.175.2.24  casties   427:         urlParams = self.getParams(param=param, val=val, params=params, duplicates=duplicates)
1.162     casties   428:         # quote values and assemble into query string (not escaping '/')
1.175.2.21  casties   429:         ps = paramSep.join(["%s=%s"%(k,urllib.quote_plus(unicode(v),'/')) for (k, v) in urlParams.items()])
1.162     casties   430:         if baseUrl is None:
1.175.2.16  casties   431:             baseUrl = self.getDocumentViewerURL()
1.162     casties   432:             
                    433:         url = "%s?%s"%(baseUrl, ps)
1.4       casties   434:         return url
                    435: 
1.175.2.24  casties   436:     def getLinkAmp(self, param=None, val=None, params=None, baseUrl=None, duplicates='comma'):
1.32      dwinter   437:         """link to documentviewer with parameter param set to val"""
1.175.2.24  casties   438:         return self.getLink(param=param, val=val, params=params, baseUrl=baseUrl, paramSep='&', duplicates=duplicates)
1.40      casties   439:     
1.175.2.16  casties   440:     
1.26      casties   441:     def getInfo_xml(self,url,mode):
                    442:         """returns info about the document as XML"""
                    443:         if not self.digilibBaseUrl:
                    444:             self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
                    445:         
                    446:         docinfo = self.getDocinfo(mode=mode,url=url)
                    447:         pt = getattr(self.template, 'info_xml')
                    448:         return pt(docinfo=docinfo)
                    449: 
1.9       casties   450:     def isAccessible(self, docinfo):
1.8       casties   451:         """returns if access to the resource is granted"""
                    452:         access = docinfo.get('accessType', None)
1.95      abukhman  453:         logging.debug("documentViewer (accessOK) access type %s"%access)
1.175.2.12  casties   454:         if access == 'free':
1.95      abukhman  455:             logging.debug("documentViewer (accessOK) access is free")
1.8       casties   456:             return True
1.175.2.12  casties   457:         
1.17      casties   458:         elif access is None or access in self.authgroups:
1.9       casties   459:             # only local access -- only logged in users
                    460:             user = getSecurityManager().getUser()
1.95      abukhman  461:             logging.debug("documentViewer (accessOK) user=%s ip=%s"%(user,self.REQUEST.getClientAddr()))
1.9       casties   462:             if user is not None:
                    463:                 #print "user: ", user
                    464:                 return (user.getUserName() != "Anonymous User")
                    465:             else:
                    466:                 return False
1.8       casties   467:         
1.95      abukhman  468:         logging.error("documentViewer (accessOK) unknown access type %s"%access)
1.8       casties   469:         return False
1.9       casties   470:     
1.175.2.11  casties   471: 
                    472: 
                    473:     def getDocinfo(self, mode, url):
                    474:         """returns docinfo depending on mode"""
                    475:         logging.debug("getDocinfo: mode=%s, url=%s"%(mode,url))
                    476:         # look for cached docinfo in session
                    477:         if self.REQUEST.SESSION.has_key('docinfo'):
                    478:             docinfo = self.REQUEST.SESSION['docinfo']
                    479:             # check if its still current
                    480:             if docinfo is not None and docinfo.get('mode', None) == mode and docinfo.get('url', None) == url:
                    481:                 logging.debug("getDocinfo: docinfo in session. keys=%s"%docinfo.keys())
                    482:                 return docinfo
                    483:             
                    484:         # new docinfo
                    485:         docinfo = {'mode': mode, 'url': url}
                    486:         # add self url
                    487:         docinfo['viewerUrl'] = self.getDocumentViewerURL()
1.175.2.23  casties   488:         docinfo['digilibBaseUrl'] = self.digilibBaseUrl
1.175.2.11  casties   489:         # get index.meta DOM
                    490:         docUrl = None
                    491:         metaDom = None
                    492:         if mode=="texttool": 
                    493:             # url points to document dir or index.meta
                    494:             metaDom = self.metadataService.getDomFromPathOrUrl(url)
                    495:             docUrl = url.replace('/index.meta', '')
                    496:             if metaDom is None:
                    497:                 raise IOError("Unable to find index.meta for mode=texttool!")
                    498: 
                    499:         elif mode=="imagepath":
                    500:             # url points to folder with images, index.meta optional
                    501:             # asssume index.meta in parent dir
                    502:             docUrl = getParentPath(url)
                    503:             metaDom = self.metadataService.getDomFromPathOrUrl(docUrl)
                    504: 
                    505:         elif mode=="filepath":
                    506:             # url points to image file, index.meta optional
                    507:             # asssume index.meta is two path segments up
                    508:             docUrl = getParentPath(url, 2)
                    509:             metaDom = self.metadataService.getDomFromPathOrUrl(docUrl)
                    510: 
                    511:         else:
                    512:             logging.error("documentViewer (getdocinfo) unknown mode: %s!"%mode)
                    513:             raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode))
                    514:         
                    515:         docinfo['documentUrl'] = docUrl
                    516:         # process index.meta contents
1.175.2.19  casties   517:         if metaDom is not None and metaDom.tag == 'resource':
1.175.2.11  casties   518:             # document directory name and path
                    519:             resource = self.metadataService.getResourceData(dom=metaDom)
                    520:             if resource:
                    521:                 docinfo = self.getDocinfoFromResource(docinfo, resource)
                    522: 
                    523:             # texttool info
                    524:             texttool = self.metadataService.getTexttoolData(dom=metaDom)
                    525:             if texttool:
                    526:                 docinfo = self.getDocinfoFromTexttool(docinfo, texttool)
                    527:             
                    528:             # bib info
                    529:             bib = self.metadataService.getBibData(dom=metaDom)
                    530:             if bib:
                    531:                 docinfo = self.getDocinfoFromBib(docinfo, bib)
1.175.2.12  casties   532:             else:
                    533:                 # no bib - try info.xml
                    534:                 docinfo = self.getDocinfoFromPresentationInfoXml(docinfo)
1.175.2.11  casties   535:                 
                    536:             # auth info
                    537:             access = self.metadataService.getAccessData(dom=metaDom)
                    538:             if access:
                    539:                 docinfo = self.getDocinfoFromAccess(docinfo, access)
                    540: 
1.175.2.13  casties   541:             # attribution info
                    542:             attribution = self.metadataService.getAttributionData(dom=metaDom)
                    543:             if attribution:
                    544:                 logging.debug("getDocinfo: attribution=%s"%repr(attribution))
                    545:                 docinfo['attribution'] = attribution
                    546:                 #docinfo = self.getDocinfoFromAccess(docinfo, access)
                    547: 
                    548:             # copyright info
                    549:             copyright = self.metadataService.getCopyrightData(dom=metaDom)
                    550:             if copyright:
                    551:                 logging.debug("getDocinfo: copyright=%s"%repr(copyright))
                    552:                 docinfo['copyright'] = copyright
                    553:                 #docinfo = self.getDocinfoFromAccess(docinfo, access)
                    554: 
1.175.2.11  casties   555:         # image path
                    556:         if mode != 'texttool':
1.175.2.23  casties   557:             # override image path from texttool with url
1.175.2.12  casties   558:             docinfo['imagePath'] = url.replace('/mpiwg/online/', '', 1)
1.175.2.11  casties   559: 
                    560:         # number of images from digilib
                    561:         if docinfo.get('imagePath', None):
                    562:             docinfo['imageURL'] = self.digilibBaseUrl + "/servlet/Scaler?fn=" + docinfo['imagePath']
                    563:             docinfo = self.getDocinfoFromDigilib(docinfo, docinfo['imagePath'])
                    564: 
                    565:         logging.debug("documentViewer (getdocinfo) docinfo: keys=%s"%docinfo.keys())
                    566:         #logging.debug("documentViewer (getdocinfo) docinfo: %s"%docinfo)
                    567:         # store in session
                    568:         self.REQUEST.SESSION['docinfo'] = docinfo
                    569:         return docinfo
                    570: 
                    571:     def getDocinfoFromResource(self, docinfo, resource):
                    572:         """reads contents of resource element into docinfo"""
                    573:         docName = resource.get('name', None)
                    574:         docinfo['documentName'] = docName
                    575:         docPath = resource.get('archive-path', None)
                    576:         if docPath:
                    577:             # clean up document path
                    578:             if docPath[0] != '/':
                    579:                 docPath = '/' + docPath
                    580:                 
                    581:             if docName and (not docPath.endswith(docName)):
                    582:                 docPath += "/" + docName
                    583:             
                    584:         else:
                    585:             # use docUrl as docPath
                    586:             docUrl = docinfo['documentURL']
                    587:             if not docUrl.startswith('http:'):
                    588:                 docPath = docUrl
1.175.2.12  casties   589:         if docPath:
                    590:             # fix URLs starting with /mpiwg/online
                    591:             docPath = docPath.replace('/mpiwg/online', '', 1)
                    592: 
1.175.2.11  casties   593:         docinfo['documentPath'] = docPath
                    594:         return docinfo
                    595: 
                    596:     def getDocinfoFromTexttool(self, docinfo, texttool):
                    597:         """reads contents of texttool element into docinfo"""
                    598:         # image dir
                    599:         imageDir = texttool.get('image', None)
                    600:         docPath = docinfo.get('documentPath', None)
                    601:         if imageDir and docPath:
                    602:             #print "image: ", imageDir, " archivepath: ", archivePath
                    603:             imageDir = os.path.join(docPath, imageDir)
                    604:             imageDir = imageDir.replace('/mpiwg/online', '', 1)
                    605:             docinfo['imagePath'] = imageDir
                    606:         
                    607:         # old style text URL
                    608:         textUrl = texttool.get('text', None)
                    609:         if textUrl and docPath:
                    610:             if urlparse.urlparse(textUrl)[0] == "": #keine url
                    611:                 textUrl = os.path.join(docPath, textUrl) 
                    612:             
                    613:             docinfo['textURL'] = textUrl
                    614:     
                    615:         # new style text-url-path
                    616:         textUrl = texttool.get('text-url-path', None)
                    617:         if textUrl:
                    618:             docinfo['textURLPath'] = textUrl
1.175.2.15  casties   619:             
                    620:         # page flow
                    621:         docinfo['pageFlow'] = texttool.get('page-flow', 'ltr')
                    622:             
                    623:         # odd pages are left
1.175.2.22  casties   624:         docinfo['oddPage'] = texttool.get('odd-scan-position', 'left')
1.175.2.15  casties   625:             
1.175.2.16  casties   626:         # number of title page (0: not defined)
1.175.2.15  casties   627:         docinfo['titlePage'] = texttool.get('title-scan-no', 0)
1.175.2.11  casties   628:             
                    629:         # old presentation stuff
                    630:         presentation = texttool.get('presentation', None)
                    631:         if presentation and docPath:
1.175.2.12  casties   632:             if presentation.startswith('http:'):
                    633:                 docinfo['presentationUrl'] = presentation
                    634:             else:
                    635:                 docinfo['presentationUrl'] = os.path.join(docPath, presentation)
1.175.2.11  casties   636:             
1.175.2.15  casties   637:         
1.175.2.11  casties   638:         return docinfo
                    639: 
                    640:     def getDocinfoFromBib(self, docinfo, bib):
                    641:         """reads contents of bib element into docinfo"""
1.175.2.12  casties   642:         logging.debug("getDocinfoFromBib bib=%s"%repr(bib))
1.175.2.11  casties   643:         # put all raw bib fields in dict "bib"
                    644:         docinfo['bib'] = bib
                    645:         bibtype = bib.get('@type', None)
                    646:         docinfo['bibType'] = bibtype
                    647:         # also store DC metadata for convenience
                    648:         dc = self.metadataService.getDCMappedData(bib)
                    649:         docinfo['creator'] = dc.get('creator',None)
                    650:         docinfo['title'] = dc.get('title',None)
                    651:         docinfo['date'] = dc.get('date',None)
                    652:         return docinfo
                    653:             
                    654:     def getDocinfoFromAccess(self, docinfo, acc):
                    655:         """reads contents of access element into docinfo"""
                    656:         #TODO: also read resource type
1.175.2.12  casties   657:         logging.debug("getDocinfoFromAccess acc=%s"%repr(acc))
1.175.2.11  casties   658:         try:
1.175.2.12  casties   659:             acctype = acc['@attr']['type']
1.175.2.11  casties   660:             if acctype:
                    661:                 access=acctype
                    662:                 if access in ['group', 'institution']:
                    663:                     access = acc['name'].lower()
                    664:                 
                    665:                 docinfo['accessType'] = access
                    666: 
                    667:         except:
                    668:             pass
                    669:         
                    670:         return docinfo
                    671: 
                    672:     def getDocinfoFromDigilib(self, docinfo, path):
                    673:         infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path
                    674:         # fetch data
                    675:         txt = getHttpData(infoUrl)
                    676:         if not txt:
                    677:             logging.error("Unable to get dir-info from %s"%(infoUrl))
                    678:             return docinfo
                    679: 
                    680:         dom = ET.fromstring(txt)
                    681:         size = getText(dom.find("size"))
                    682:         logging.debug("getDocinfoFromDigilib: size=%s"%size)
                    683:         if size:
                    684:             docinfo['numPages'] = int(size)
                    685:         else:
                    686:             docinfo['numPages'] = 0
                    687:             
                    688:         # TODO: produce and keep list of image names and numbers
                    689:         return docinfo
                    690:             
                    691:             
1.175.2.12  casties   692:     def getDocinfoFromPresentationInfoXml(self,docinfo):
                    693:         """gets DC-like bibliographical information from the presentation entry in texttools"""
                    694:         url = docinfo.get('presentationUrl', None)
                    695:         if not url:
                    696:             logging.error("getDocinfoFromPresentation: no URL!")
                    697:             return docinfo
                    698:         
                    699:         dom = None
                    700:         metaUrl = None
                    701:         if url.startswith("http://"):
                    702:             # real URL
                    703:             metaUrl = url
                    704:         else:
                    705:             # online path
                    706:             
                    707:             server=self.digilibBaseUrl+"/servlet/Texter?fn="
                    708:             metaUrl=server+url
                    709:         
                    710:         txt=getHttpData(metaUrl)
                    711:         if txt is None:
                    712:             logging.error("Unable to read info.xml from %s"%(url))
                    713:             return docinfo
                    714:             
                    715:         dom = ET.fromstring(txt)
                    716:         docinfo['creator']=getText(dom.find(".//author"))
                    717:         docinfo['title']=getText(dom.find(".//title"))
                    718:         docinfo['date']=getText(dom.find(".//date"))
                    719:         return docinfo
                    720:     
                    721: 
1.175.2.24  casties   722:     def getPageinfo(self, current=None, start=None, rows=None, cols=None, docinfo=None, viewMode=None, viewType=None, tocMode=None):
1.3       casties   723:         """returns pageinfo with the given parameters"""
1.175.2.24  casties   724:         logging.debug("getPageInfo(current=%s, start=%s, rows=%s, cols=%s, viewMode=%s, viewType=%s, tocMode=%s)"%(current,start,rows,cols,viewMode,viewType,tocMode))
1.3       casties   725:         pageinfo = {}
1.175.2.17  casties   726:         pageinfo['viewMode'] = viewMode
                    727:         pageinfo['viewType'] = viewType
                    728:         pageinfo['tocMode'] = tocMode
                    729: 
1.4       casties   730:         current = getInt(current)
                    731:         pageinfo['current'] = current
1.175.2.26  casties   732:         pageinfo['pn'] = current
1.4       casties   733:         rows = int(rows or self.thumbrows)
                    734:         pageinfo['rows'] = rows
                    735:         cols = int(cols or self.thumbcols)
                    736:         pageinfo['cols'] = cols
                    737:         grpsize = cols * rows
                    738:         pageinfo['groupsize'] = grpsize
1.175.2.22  casties   739:         # is start is empty use one around current
1.28      casties   740:         start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1)))
                    741:         # int(current / grpsize) * grpsize +1))
1.3       casties   742:         pageinfo['start'] = start
1.175.2.26  casties   743:         
1.175.2.16  casties   744:         np = int(docinfo.get('numPages', 0))
                    745:         if np == 0:
                    746:             # numPages unknown - maybe we can get it from text page
                    747:             if docinfo.get('textURLPath', None):
                    748:                 # cache text page as well
1.175.2.26  casties   749:                 pageinfo['textPage'] = self.getTextPage(mode=viewType, pn=current, docinfo=docinfo, pageinfo=pageinfo)
1.175.2.16  casties   750:                 np = int(docinfo.get('numPages', 0))
                    751:                 
                    752:         pageinfo['numgroups'] = int(np / grpsize)
                    753:         if np % grpsize > 0:
                    754:             pageinfo['numgroups'] += 1
1.175.2.22  casties   755: 
                    756:         pageFlowLtr = docinfo.get('pageFlow', 'ltr') != 'rtl'
                    757:         oddScanLeft = docinfo.get('oddPage', 'left') != 'right'
                    758:         # add zeroth page for two columns
                    759:         pageZero = (cols == 2 and (pageFlowLtr != oddScanLeft))
                    760:         pageinfo['pageZero'] = pageZero
1.175.2.26  casties   761:         pageinfo['pageBatch'] = self.getPageBatch(start=start, rows=rows, cols=cols, pageFlowLtr=pageFlowLtr, pageZero=pageZero, minIdx=1, maxIdx=np)
1.175.2.7  casties   762:                 
1.175.2.26  casties   763:         # TODO: do we need this here?
1.161     abukhman  764:         pageinfo['characterNormalization'] = self.REQUEST.get('characterNormalization','reg')
1.156     abukhman  765:         pageinfo['query'] = self.REQUEST.get('query','') 
1.146     abukhman  766:         pageinfo['queryType'] = self.REQUEST.get('queryType','')
1.45      abukhman  767:         pageinfo['querySearch'] =self.REQUEST.get('querySearch', 'fulltext')
1.146     abukhman  768:         pageinfo['highlightQuery'] = self.REQUEST.get('highlightQuery','')
1.175.2.22  casties   769:         pageinfo['tocPageSize'] = getInt(self.REQUEST.get('tocPageSize', 30))
                    770:         pageinfo['queryPageSize'] = getInt(self.REQUEST.get('queryPageSize', 10))
                    771:         pageinfo['tocPN'] = getInt(self.REQUEST.get('tocPN', '1'))
                    772:         pageinfo['searchPN'] = getInt(self.REQUEST.get('searchPN','1'))
1.90      abukhman  773:         
1.175.2.22  casties   774:         # limit tocPN
1.48      abukhman  775:         if 'tocSize_%s'%tocMode in docinfo:
1.175.2.22  casties   776:             tocSize = docinfo['tocSize_%s'%tocMode]
                    777:             tocPageSize = pageinfo['tocPageSize']
1.69      abukhman  778:             # cached toc           
1.48      abukhman  779:             if tocSize%tocPageSize>0:
                    780:                 tocPages=tocSize/tocPageSize+1
                    781:             else:
                    782:                 tocPages=tocSize/tocPageSize
1.175.2.7  casties   783:                 
1.175.2.22  casties   784:             pageinfo['tocPN'] = min(tocPages,pageinfo['tocPN'])
1.175.2.7  casties   785:             
1.3       casties   786:         return pageinfo
1.175.2.7  casties   787: 
1.175.2.10  casties   788: 
1.175.2.27  casties   789:     def getPageBatch(self, start=1, rows=10, cols=2, pageFlowLtr=True, pageZero=False, minIdx=1, maxIdx=0):
1.175.2.26  casties   790:         """returns dict with array of page informations for one screenfull of thumbnails"""
1.175.2.27  casties   791:         batch = {}
1.175.2.26  casties   792:         grpsize = rows * cols
1.175.2.22  casties   793:         if maxIdx == 0:
1.175.2.26  casties   794:             maxIdx = start + grpsize
1.175.2.22  casties   795: 
1.175.2.27  casties   796:         nb = int(math.ceil(maxIdx / float(grpsize)))
                    797:         # list of all batch start and end points
                    798:         batches = []
                    799:         if pageZero:
                    800:             ofs = 0
                    801:         else:
                    802:             ofs = 1
                    803:             
                    804:         for i in range(nb):
                    805:             s = i * grpsize + ofs
                    806:             e = min((i + 1) * grpsize + ofs - 1, maxIdx)
                    807:             batches.append({'start':s, 'end':e})
                    808:             
                    809:         batch['batches'] = batches
                    810: 
1.175.2.22  casties   811:         pages = []
                    812:         if pageZero and start == 1:
                    813:             # correct beginning
                    814:             idx = 0
                    815:         else:
                    816:             idx = start
                    817:             
                    818:         for r in range(rows):
                    819:             row = []
                    820:             for c in range(cols):
                    821:                 if idx < minIdx or idx > maxIdx:
                    822:                     page = {'idx':None}
                    823:                 else:
                    824:                     page = {'idx':idx}
                    825:                     
                    826:                 idx += 1
                    827:                 if pageFlowLtr:
                    828:                     row.append(page)
                    829:                 else:
                    830:                     row.insert(0, page) 
                    831:                 
                    832:             pages.append(row)
                    833:             
1.175.2.26  casties   834:         if start > 1:
                    835:             batch['prevStart'] = max(start - grpsize, 1)
                    836:         else:
                    837:             batch['prevStart'] = None
                    838:             
                    839:         if start + grpsize < maxIdx:
                    840:             batch['nextStart'] = start + grpsize
                    841:         else:
                    842:             batch['nextStart'] = None
                    843: 
                    844:         batch['pages'] = pages
1.175.2.27  casties   845:         return batch
                    846:         
                    847:     def getBatch(self, start=1, size=10, end=0, data=None, fullData=True):
                    848:         """returns dict with information for one screenfull of data."""
                    849:         batch = {}
                    850:         if end == 0:
                    851:             end = start + size                    
                    852:             
                    853:         nb = int(math.ceil(end / float(size)))
                    854:         # list of all batch start and end points
                    855:         batches = []
                    856:         for i in range(nb):
                    857:             s = i * size + 1
                    858:             e = min((i + 1) * size, end)
                    859:             batches.append({'start':s, 'end':e})
                    860:             
                    861:         batch['batches'] = batches
                    862:         # list of elements in this batch
                    863:         this = []
                    864:         j = 0
                    865:         for i in range(start, min(start+size, end)):
                    866:             if data:
                    867:                 if fullData:
                    868:                     d = data[i]
                    869:                 else:
                    870:                     d = data[j]
                    871:                     j += 1
                    872:             
                    873:             else:
                    874:                 d = i+1
                    875:                 
                    876:             this.append(d)
                    877:             
                    878:         batch['this'] = this
                    879:         if start > 1:
                    880:             batch['prevStart'] = max(start - size, 1)
                    881:         else:
                    882:             batch['prevStart'] = None
                    883:             
                    884:         if start + size < end:
                    885:             batch['nextStart'] = start + size
                    886:         else:
                    887:             batch['nextStart'] = None
                    888:         
1.175.2.26  casties   889:         return batch
1.175.2.22  casties   890:         
                    891: 
1.175.2.10  casties   892:     security.declareProtected('View management screens','changeDocumentViewerForm')    
                    893:     changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())
1.3       casties   894:     
1.175.2.7  casties   895:     def changeDocumentViewer(self,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=5,authgroups='mpiwg',RESPONSE=None):
1.3       casties   896:         """init document viewer"""
                    897:         self.title=title
                    898:         self.digilibBaseUrl = digilibBaseUrl
1.4       casties   899:         self.thumbrows = thumbrows
                    900:         self.thumbcols = thumbcols
1.8       casties   901:         self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
1.175.2.10  casties   902:         try:
                    903:             # assume MetaDataFolder instance is called metadata 
                    904:             self.metadataService = getattr(self, 'metadata')
                    905:         except Exception, e:
                    906:             logging.error("Unable to find MetaDataFolder 'metadata': "+str(e))
                    907: 
1.3       casties   908:         if RESPONSE is not None:
                    909:             RESPONSE.redirect('manage_main')
1.1       dwinter   910:         
                    911: def manage_AddDocumentViewerForm(self):
                    912:     """add the viewer form"""
1.3       casties   913:     pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self)
1.1       dwinter   914:     return pt()
                    915:   
1.43      casties   916: def manage_AddDocumentViewer(self,id,imageScalerUrl="",textServerName="",title="",RESPONSE=None):
1.1       dwinter   917:     """add the viewer"""
1.43      casties   918:     newObj=documentViewer(id,imageScalerUrl=imageScalerUrl,title=title,textServerName=textServerName)
1.1       dwinter   919:     self._setObject(id,newObj)
                    920:     
                    921:     if RESPONSE is not None:
                    922:         RESPONSE.redirect('manage_main')

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