Annotation of documentViewer/documentViewer.py, revision 1.175.2.34

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
1.1       dwinter     5: from AccessControl import ClassSecurityInfo
1.8       casties     6: from AccessControl import getSecurityManager
1.1       dwinter     7: from Globals import package_home
                      8: 
1.175.2.1  casties     9: import xml.etree.ElementTree as ET
                     10: 
1.175.2.32  casties    11: import os
1.7       casties    12: import sys
1.1       dwinter    13: import urllib
1.20      dwinter    14: import logging
1.28      casties    15: import math
1.18      dwinter    16: import urlparse 
1.99      dwinter    17: import re
1.149     abukhman   18: import string
1.117     abukhman   19: 
1.175.2.33  casties    20: from SrvTxtUtils import getInt, getText, getHttpData, refreshingImageFileIndexHtml
1.22      dwinter    21:     
1.170     abukhman   22: def serializeNode(node, encoding="utf-8"):
1.43      casties    23:     """returns a string containing node as XML"""
1.175.2.1  casties    24:     s = ET.tostring(node)
                     25:     
                     26:     # 4Suite:
                     27:     #    stream = cStringIO.StringIO()
                     28:     #    Ft.Xml.Domlette.Print(node, stream=stream, encoding=encoding)
                     29:     #    s = stream.getvalue()
                     30:     #    stream.close()
1.43      casties    31:     return s
                     32: 
1.148     abukhman   33: def browserCheck(self):
                     34:     """check the browsers request to find out the browser type"""
                     35:     bt = {}
                     36:     ua = self.REQUEST.get_header("HTTP_USER_AGENT")
                     37:     bt['ua'] = ua
                     38:     bt['isIE'] = False
                     39:     bt['isN4'] = False
1.165     abukhman   40:     bt['versFirefox']=""
                     41:     bt['versIE']=""
                     42:     bt['versSafariChrome']=""
                     43:     bt['versOpera']=""
                     44:     
1.148     abukhman   45:     if string.find(ua, 'MSIE') > -1:
                     46:         bt['isIE'] = True
                     47:     else:
                     48:         bt['isN4'] = (string.find(ua, 'Mozilla/4.') > -1)
1.165     abukhman   49:     # Safari oder Chrome identification    
                     50:     try:
                     51:         nav = ua[string.find(ua, '('):]
                     52:         nav1=ua[string.find(ua,')'):]
                     53:         nav2=nav1[string.find(nav1,'('):]
                     54:         nav3=nav2[string.find(nav2,')'):]
                     55:         ie = string.split(nav, "; ")[1]
                     56:         ie1 =string.split(nav1, " ")[2]
                     57:         ie2 =string.split(nav3, " ")[1]
                     58:         ie3 =string.split(nav3, " ")[2]
                     59:         if string.find(ie3, "Safari") >-1:
                     60:             bt['versSafariChrome']=string.split(ie2, "/")[1]
                     61:     except: pass
                     62:     # IE identification
1.148     abukhman   63:     try:
                     64:         nav = ua[string.find(ua, '('):]
                     65:         ie = string.split(nav, "; ")[1]
                     66:         if string.find(ie, "MSIE") > -1:
                     67:             bt['versIE'] = string.split(ie, " ")[1]
1.165     abukhman   68:     except:pass
                     69:     # Firefox identification
                     70:     try:
                     71:         nav = ua[string.find(ua, '('):]
                     72:         nav1=ua[string.find(ua,')'):]
                     73:         if string.find(ie1, "Firefox") >-1:
                     74:             nav5= string.split(ie1, "/")[1]
                     75:             logging.debug("FIREFOX: %s"%(nav5))
1.166     abukhman   76:             bt['versFirefox']=nav5[0:3]                   
1.165     abukhman   77:     except:pass
                     78:     #Opera identification
                     79:     try:
                     80:         if string.find(ua,"Opera") >-1:
                     81:             nav = ua[string.find(ua, '('):]
                     82:             nav1=nav[string.find(nav,')'):]
                     83:             bt['versOpera']=string.split(nav1,"/")[2]
                     84:     except:pass
1.148     abukhman   85:     
                     86:     bt['isMac'] = string.find(ua, 'Macintosh') > -1
                     87:     bt['isWin'] = string.find(ua, 'Windows') > -1
                     88:     bt['isIEWin'] = bt['isIE'] and bt['isWin']
                     89:     bt['isIEMac'] = bt['isIE'] and bt['isMac']
                     90:     bt['staticHTML'] = False
                     91: 
                     92:     return bt
1.118     abukhman   93: 
1.175.2.11  casties    94: def getParentPath(path, cnt=1):
                     95:     """returns pathname shortened by cnt"""
                     96:     # make sure path doesn't end with /
                     97:     path = path.rstrip('/')
                     98:     # split by /, shorten, and reassemble
                     99:     return '/'.join(path.split('/')[0:-cnt])
                    100: 
1.3       casties   101: ##
                    102: ## documentViewer class
                    103: ##
                    104: class documentViewer(Folder):
1.1       dwinter   105:     """document viewer"""
                    106:     meta_type="Document viewer"
                    107:     
                    108:     security=ClassSecurityInfo()
1.3       casties   109:     manage_options=Folder.manage_options+(
1.1       dwinter   110:         {'label':'main config','action':'changeDocumentViewerForm'},
                    111:         )
1.175.2.10  casties   112:     
                    113:     metadataService = None
                    114:     """MetaDataFolder instance"""
1.1       dwinter   115: 
1.3       casties   116:     # templates and forms
1.175.2.25  casties   117:     viewer_text = PageTemplateFile('zpt/viewer_text', globals())
1.175.2.28  casties   118:     viewer_images = PageTemplateFile('zpt/viewer_images', globals())
1.3       casties   119:     viewer_main = PageTemplateFile('zpt/viewer_main', globals())
1.44      casties   120:     toc_thumbs = PageTemplateFile('zpt/toc_thumbs', globals())
                    121:     toc_text = PageTemplateFile('zpt/toc_text', globals())
                    122:     toc_figures = PageTemplateFile('zpt/toc_figures', globals())
1.175.2.34! casties   123:     toc_none = PageTemplateFile('zpt/toc_none', globals())
1.43      casties   124:     page_main_images = PageTemplateFile('zpt/page_main_images', globals())
1.161     abukhman  125:     page_main_double = PageTemplateFile('zpt/page_main_double', globals())
1.43      casties   126:     page_main_text = PageTemplateFile('zpt/page_main_text', globals())
1.44      casties   127:     page_main_text_dict = PageTemplateFile('zpt/page_main_text_dict', globals())
1.77      abukhman  128:     page_main_gis =PageTemplateFile ('zpt/page_main_gis', globals())
1.48      abukhman  129:     page_main_xml = PageTemplateFile('zpt/page_main_xml', globals())
1.157     abukhman  130:     page_main_pureXml = PageTemplateFile('zpt/page_main_pureXml', globals())
1.3       casties   131:     head_main = PageTemplateFile('zpt/head_main', globals())
1.26      casties   132:     info_xml = PageTemplateFile('zpt/info_xml', globals())
1.175.2.30  casties   133:     docuviewer_css = ImageFile('css/docuviewer.css',globals())
1.175.2.32  casties   134:     # make ImageFile better for development
1.175.2.33  casties   135:     docuviewer_css.index_html = refreshingImageFileIndexHtml
1.70      casties   136:     
                    137:     
1.32      dwinter   138:     thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals())
1.3       casties   139: 
1.1       dwinter   140:     
1.45      abukhman  141:     def __init__(self,id,imageScalerUrl=None,textServerName=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=5,authgroups="mpiwg"):
1.1       dwinter   142:         """init document viewer"""
                    143:         self.id=id
                    144:         self.title=title
1.4       casties   145:         self.thumbcols = thumbcols
                    146:         self.thumbrows = thumbrows
1.8       casties   147:         # authgroups is list of authorized groups (delimited by ,)
                    148:         self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
1.43      casties   149:         # create template folder so we can always use template.something
                    150:         
                    151:         templateFolder = Folder('template')
                    152:         #self['template'] = templateFolder # Zope-2.12 style
                    153:         self._setObject('template',templateFolder) # old style
                    154:         try:
1.70      casties   155:             import MpdlXmlTextServer
1.71      casties   156:             textServer = MpdlXmlTextServer.MpdlXmlTextServer(id='fulltextclient',serverName=textServerName)
1.43      casties   157:             #templateFolder['fulltextclient'] = xmlRpcClient
1.70      casties   158:             templateFolder._setObject('fulltextclient',textServer)
1.43      casties   159:         except Exception, e:
1.70      casties   160:             logging.error("Unable to create MpdlXmlTextServer for fulltextclient: "+str(e))
1.175.2.10  casties   161:             
1.43      casties   162:         try:
                    163:             from Products.zogiLib.zogiLib import zogiLib
                    164:             zogilib = zogiLib(id="zogilib", title="zogilib for docuviewer", dlServerURL=imageScalerUrl, layout="book")
                    165:             #templateFolder['zogilib'] = zogilib
                    166:             templateFolder._setObject('zogilib',zogilib)
                    167:         except Exception, e:
                    168:             logging.error("Unable to create zogiLib for zogilib: "+str(e))
1.175.2.10  casties   169:             
                    170:         try:
                    171:             # assume MetaDataFolder instance is called metadata 
                    172:             self.metadataService = getattr(self, 'metadata')
                    173:         except Exception, e:
                    174:             logging.error("Unable to find MetaDataFolder 'metadata': "+str(e))
                    175:             
1.175.2.23  casties   176:         if digilibBaseUrl is not None:
                    177:             self.digilibBaseUrl = digilibBaseUrl
                    178:             
1.70      casties   179:         
                    180:     # proxy text server methods to fulltextclient
                    181:     def getTextPage(self, **args):
                    182:         """get page"""
                    183:         return self.template.fulltextclient.getTextPage(**args)
1.171     abukhman  184: 
                    185:     def getOrigPages(self, **args):
                    186:         """get page"""
                    187:         return self.template.fulltextclient.getOrigPages(**args)
1.167     abukhman  188:     
1.171     abukhman  189:     def getOrigPagesNorm(self, **args):
                    190:         """get page"""
                    191:         return self.template.fulltextclient.getOrigPagesNorm(**args)
                    192: 
1.70      casties   193:     def getQuery(self, **args):
1.163     abukhman  194:         """get query in search"""
1.70      casties   195:         return self.template.fulltextclient.getQuery(**args)
1.163     abukhman  196:      
1.70      casties   197:     def getSearch(self, **args):
                    198:         """get search"""
                    199:         return self.template.fulltextclient.getSearch(**args)
1.120     abukhman  200:     
                    201:     def getGisPlaces(self, **args):
1.121     abukhman  202:         """get gis places"""
1.120     abukhman  203:         return self.template.fulltextclient.getGisPlaces(**args)
1.121     abukhman  204:  
                    205:     def getAllGisPlaces(self, **args):
1.122     abukhman  206:         """get all gis places """
                    207:         return self.template.fulltextclient.getAllGisPlaces(**args)
1.163     abukhman  208:        
1.175.2.24  casties   209:     def getWordInfo(self, **args):
1.70      casties   210:         """get translate"""
1.175.2.24  casties   211:         return self.template.fulltextclient.getWordInfo(**args)
1.70      casties   212: 
                    213:     def getLemma(self, **args):
                    214:         """get lemma"""
                    215:         return self.template.fulltextclient.getLemma(**args)
                    216: 
1.173     abukhman  217:     def getLemmaQuery(self, **args):
                    218:         """get query"""
                    219:         return self.template.fulltextclient.getLemmaQuery(**args)
                    220: 
                    221:     def getLex(self, **args):
                    222:         """get lex"""
                    223:         return self.template.fulltextclient.getLex(**args)
                    224: 
1.70      casties   225:     def getToc(self, **args):
                    226:         """get toc"""
                    227:         return self.template.fulltextclient.getToc(**args)
                    228: 
                    229:     def getTocPage(self, **args):
                    230:         """get tocpage"""
                    231:         return self.template.fulltextclient.getTocPage(**args)
1.3       casties   232: 
1.70      casties   233:     
1.32      dwinter   234:     security.declareProtected('View','thumbs_rss')
                    235:     def thumbs_rss(self,mode,url,viewMode="auto",start=None,pn=1):
                    236:         '''
                    237:         view it
                    238:         @param mode: defines how to access the document behind url 
                    239:         @param url: url which contains display information
                    240:         @param viewMode: if images display images, if text display text, default is images (text,images or auto)
                    241:         
                    242:         '''
1.95      abukhman  243:         logging.debug("HHHHHHHHHHHHHH:load the rss")
1.175.2.5  casties   244:         logging.debug("documentViewer (index) mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
1.32      dwinter   245:         
                    246:         if not hasattr(self, 'template'):
                    247:             # create template folder if it doesn't exist
                    248:             self.manage_addFolder('template')
                    249:             
                    250:         if not self.digilibBaseUrl:
                    251:             self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
                    252:             
                    253:         docinfo = self.getDocinfo(mode=mode,url=url)
1.132     abukhman  254:         #pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
1.138     abukhman  255:         pageinfo = self.getPageinfo(start=start,current=pn, docinfo=docinfo)
1.126     abukhman  256:         ''' ZDES '''
1.32      dwinter   257:         pt = getattr(self.template, 'thumbs_main_rss')
                    258:         
                    259:         if viewMode=="auto": # automodus gewaehlt
1.159     casties   260:             if docinfo.has_key("textURL") or docinfo.get('textURLPath',None): #texturl gesetzt und textViewer konfiguriert
1.32      dwinter   261:                 viewMode="text"
                    262:             else:
                    263:                 viewMode="images"
                    264:                
                    265:         return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)
1.175.2.12  casties   266: 
1.32      dwinter   267:   
1.3       casties   268:     security.declareProtected('View','index_html')
1.175.2.18  casties   269:     def index_html(self,url,mode="texttool",viewMode="auto",viewType=None,tocMode="thumbs",start=1,pn=1):
1.175.2.11  casties   270:         """
1.175.2.17  casties   271:         view page
1.3       casties   272:         @param url: url which contains display information
1.175.2.17  casties   273:         @param mode: defines how to access the document behind url 
                    274:         @param viewMode: 'images': display images, 'text': display text, default is 'auto'
                    275:         @param viewType: sub-type of viewMode, e.g. 'dict' for viewMode='text'
1.48      abukhman  276:         @param tocMode: type of 'table of contents' for navigation (thumbs, text, figures, none)
1.175.2.11  casties   277:         """
1.3       casties   278:         
1.175.2.21  casties   279:         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   280:         
1.3       casties   281:         if not hasattr(self, 'template'):
1.43      casties   282:             # this won't work
                    283:             logging.error("template folder missing!")
                    284:             return "ERROR: template folder missing!"
1.3       casties   285:             
1.43      casties   286:         if not getattr(self, 'digilibBaseUrl', None):
1.71      casties   287:             self.digilibBaseUrl = self.findDigilibUrl() or "http://digilib.mpiwg-berlin.mpg.de/digitallibrary"
1.3       casties   288:             
1.4       casties   289:         docinfo = self.getDocinfo(mode=mode,url=url)
1.47      abukhman  290:         
1.44      casties   291:         if tocMode != "thumbs":
                    292:             # get table of contents
                    293:             docinfo = self.getToc(mode=tocMode, docinfo=docinfo)
1.175.2.3  casties   294: 
1.175.2.17  casties   295:         # auto viewMode: text if there is a text else images
1.175.2.3  casties   296:         if viewMode=="auto": 
                    297:             if docinfo.get('textURL', None) or docinfo.get('textURLPath', None): 
1.175.2.17  casties   298:                 viewMode = "text"
                    299:                 viewType = "dict"
1.21      dwinter   300:             else:
1.175.2.17  casties   301:                 viewMode = "images"
1.44      casties   302:                 
1.175.2.20  casties   303:         elif viewMode == "text_dict":
                    304:             # legacy fix
                    305:             viewMode = "text"
                    306:             viewType = "dict"
                    307:             
1.175.2.21  casties   308:         # stringify viewType
                    309:         if isinstance(viewType, list):
1.175.2.24  casties   310:             logging.debug("index_html: viewType is list:%s"%viewType)
1.175.2.21  casties   311:             viewType = ','.join([t for t in viewType if t])
                    312:                         
1.175.2.18  casties   313:         pageinfo = self.getPageinfo(start=start, current=pn, docinfo=docinfo, viewMode=viewMode, viewType=viewType, tocMode=tocMode)
1.175.2.16  casties   314:                     
1.175.2.21  casties   315:         # get template /template/viewer_$viewMode
                    316:         pt = getattr(self.template, 'viewer_%s'%viewMode, None)
                    317:         if pt is None:
                    318:             logging.error("No template for viewMode=%s!"%viewMode)
                    319:             # TODO: error page?
                    320:             return "No template for viewMode=%s!"%viewMode
                    321:         
1.175.2.3  casties   322:         # and execute with parameters
1.175.2.17  casties   323:         return pt(docinfo=docinfo, pageinfo=pageinfo)
1.1       dwinter   324:   
1.36      dwinter   325:     def generateMarks(self,mk):
                    326:         ret=""
1.44      casties   327:         if mk is None:
                    328:             return ""
1.73      casties   329:         if not isinstance(mk, list):
1.71      casties   330:             mk=[mk]
1.36      dwinter   331:         for m in mk:
1.37      dwinter   332:             ret+="mk=%s"%m
1.36      dwinter   333:         return ret
1.149     abukhman  334:     
                    335:     
1.148     abukhman  336:     def getBrowser(self):
                    337:         """getBrowser the version of browser """
1.162     casties   338:         bt = browserCheck(self)
1.164     abukhman  339:         logging.debug("BROWSER VERSION: %s"%(bt))
1.162     casties   340:         return bt
1.148     abukhman  341:         
1.43      casties   342:     def findDigilibUrl(self):
                    343:         """try to get the digilib URL from zogilib"""
                    344:         url = self.template.zogilib.getDLBaseUrl()
                    345:         return url
1.175.2.26  casties   346:     
                    347:     def getScalerUrl(self, fn=None, pn=None, dw=100, dh=100, docinfo=None):
                    348:         """returns URL to digilib Scaler with params"""
                    349:         url = None
                    350:         if docinfo is not None:
                    351:             url = docinfo.get('imageURL', None)
                    352:             
                    353:         if url is None:
                    354:             url = "%s/servlet/Scaler?"%self.digilibBaseUrl
                    355:             if fn is None and docinfo is not None:
                    356:                 fn = docinfo.get('imagePath','')
                    357:             
                    358:             url += "fn=%s"%fn
                    359:             
                    360:         if pn:
                    361:             url += "&pn=%s"%pn
                    362:             
                    363:         url += "&dw=%s&dh=%s"%(dw,dh)
                    364:         return url
1.67      casties   365: 
                    366:     def getDocumentViewerURL(self):
                    367:         """returns the URL of this instance"""
                    368:         return self.absolute_url()
1.43      casties   369:     
                    370:     def getStyle(self, idx, selected, style=""):
1.175.2.26  casties   371:         """returns a string with the given style and append 'sel' if idx == selected."""
1.43      casties   372:         #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))
                    373:         if idx == selected:
                    374:             return style + 'sel'
                    375:         else:
                    376:             return style
1.36      dwinter   377:     
1.175.2.24  casties   378:     def getParams(self, param=None, val=None, params=None, duplicates=None):
1.175.2.16  casties   379:         """returns dict with URL parameters.
                    380:         
                    381:         Takes URL parameters and additionally param=val or dict params.
                    382:         Deletes key if value is None."""
1.162     casties   383:         # copy existing request params
1.175.2.16  casties   384:         newParams=self.REQUEST.form.copy()
1.162     casties   385:         # change single param
1.4       casties   386:         if param is not None:
1.7       casties   387:             if val is None:
1.175.2.16  casties   388:                 if newParams.has_key(param):
                    389:                     del newParams[param]
1.4       casties   390:             else:
1.175.2.16  casties   391:                 newParams[param] = str(val)
1.43      casties   392:                 
1.162     casties   393:         # change more params
                    394:         if params is not None:
1.175.2.24  casties   395:             for (k, v) in params.items():
1.162     casties   396:                 if v is None:
                    397:                     # val=None removes param
1.175.2.16  casties   398:                     if newParams.has_key(k):
                    399:                         del newParams[k]
1.162     casties   400:                         
                    401:                 else:
1.175.2.16  casties   402:                     newParams[k] = v
1.175.2.24  casties   403: 
                    404:         if duplicates:
                    405:             # eliminate lists (coming from duplicate keys)
                    406:             for (k,v) in newParams.items():
                    407:                 if isinstance(v, list):
                    408:                     if duplicates == 'comma':
                    409:                         # make comma-separated list of non-empty entries
                    410:                         newParams[k] = ','.join([t for t in v if t])
                    411:                     elif duplicates == 'first':
                    412:                         # take first non-empty entry
                    413:                         newParams[k] = [t for t in v if t][0]
                    414:         
1.175.2.16  casties   415:         return newParams
                    416:     
1.175.2.24  casties   417:     def getLink(self, param=None, val=None, params=None, baseUrl=None, paramSep='&', duplicates='comma'):
1.175.2.16  casties   418:         """returns URL to documentviewer with parameter param set to val or from dict params"""
1.175.2.24  casties   419:         urlParams = self.getParams(param=param, val=val, params=params, duplicates=duplicates)
1.162     casties   420:         # quote values and assemble into query string (not escaping '/')
1.175.2.21  casties   421:         ps = paramSep.join(["%s=%s"%(k,urllib.quote_plus(unicode(v),'/')) for (k, v) in urlParams.items()])
1.162     casties   422:         if baseUrl is None:
1.175.2.16  casties   423:             baseUrl = self.getDocumentViewerURL()
1.162     casties   424:             
                    425:         url = "%s?%s"%(baseUrl, ps)
1.4       casties   426:         return url
                    427: 
1.175.2.24  casties   428:     def getLinkAmp(self, param=None, val=None, params=None, baseUrl=None, duplicates='comma'):
1.32      dwinter   429:         """link to documentviewer with parameter param set to val"""
1.175.2.24  casties   430:         return self.getLink(param=param, val=val, params=params, baseUrl=baseUrl, paramSep='&', duplicates=duplicates)
1.40      casties   431:     
1.175.2.16  casties   432:     
1.26      casties   433:     def getInfo_xml(self,url,mode):
                    434:         """returns info about the document as XML"""
                    435:         if not self.digilibBaseUrl:
                    436:             self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
                    437:         
                    438:         docinfo = self.getDocinfo(mode=mode,url=url)
                    439:         pt = getattr(self.template, 'info_xml')
                    440:         return pt(docinfo=docinfo)
                    441: 
1.9       casties   442:     def isAccessible(self, docinfo):
1.8       casties   443:         """returns if access to the resource is granted"""
                    444:         access = docinfo.get('accessType', None)
1.95      abukhman  445:         logging.debug("documentViewer (accessOK) access type %s"%access)
1.175.2.12  casties   446:         if access == 'free':
1.95      abukhman  447:             logging.debug("documentViewer (accessOK) access is free")
1.8       casties   448:             return True
1.175.2.12  casties   449:         
1.17      casties   450:         elif access is None or access in self.authgroups:
1.9       casties   451:             # only local access -- only logged in users
                    452:             user = getSecurityManager().getUser()
1.95      abukhman  453:             logging.debug("documentViewer (accessOK) user=%s ip=%s"%(user,self.REQUEST.getClientAddr()))
1.9       casties   454:             if user is not None:
                    455:                 #print "user: ", user
                    456:                 return (user.getUserName() != "Anonymous User")
                    457:             else:
                    458:                 return False
1.8       casties   459:         
1.95      abukhman  460:         logging.error("documentViewer (accessOK) unknown access type %s"%access)
1.8       casties   461:         return False
1.9       casties   462:     
1.175.2.11  casties   463: 
                    464: 
                    465:     def getDocinfo(self, mode, url):
                    466:         """returns docinfo depending on mode"""
                    467:         logging.debug("getDocinfo: mode=%s, url=%s"%(mode,url))
                    468:         # look for cached docinfo in session
                    469:         if self.REQUEST.SESSION.has_key('docinfo'):
                    470:             docinfo = self.REQUEST.SESSION['docinfo']
                    471:             # check if its still current
                    472:             if docinfo is not None and docinfo.get('mode', None) == mode and docinfo.get('url', None) == url:
                    473:                 logging.debug("getDocinfo: docinfo in session. keys=%s"%docinfo.keys())
                    474:                 return docinfo
                    475:             
                    476:         # new docinfo
                    477:         docinfo = {'mode': mode, 'url': url}
                    478:         # add self url
                    479:         docinfo['viewerUrl'] = self.getDocumentViewerURL()
1.175.2.23  casties   480:         docinfo['digilibBaseUrl'] = self.digilibBaseUrl
1.175.2.11  casties   481:         # get index.meta DOM
                    482:         docUrl = None
                    483:         metaDom = None
                    484:         if mode=="texttool": 
                    485:             # url points to document dir or index.meta
                    486:             metaDom = self.metadataService.getDomFromPathOrUrl(url)
                    487:             docUrl = url.replace('/index.meta', '')
                    488:             if metaDom is None:
                    489:                 raise IOError("Unable to find index.meta for mode=texttool!")
                    490: 
                    491:         elif mode=="imagepath":
                    492:             # url points to folder with images, index.meta optional
                    493:             # asssume index.meta in parent dir
                    494:             docUrl = getParentPath(url)
                    495:             metaDom = self.metadataService.getDomFromPathOrUrl(docUrl)
                    496: 
                    497:         elif mode=="filepath":
                    498:             # url points to image file, index.meta optional
                    499:             # asssume index.meta is two path segments up
                    500:             docUrl = getParentPath(url, 2)
                    501:             metaDom = self.metadataService.getDomFromPathOrUrl(docUrl)
                    502: 
                    503:         else:
                    504:             logging.error("documentViewer (getdocinfo) unknown mode: %s!"%mode)
                    505:             raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode))
                    506:         
                    507:         docinfo['documentUrl'] = docUrl
                    508:         # process index.meta contents
1.175.2.19  casties   509:         if metaDom is not None and metaDom.tag == 'resource':
1.175.2.11  casties   510:             # document directory name and path
                    511:             resource = self.metadataService.getResourceData(dom=metaDom)
                    512:             if resource:
                    513:                 docinfo = self.getDocinfoFromResource(docinfo, resource)
                    514: 
                    515:             # texttool info
                    516:             texttool = self.metadataService.getTexttoolData(dom=metaDom)
                    517:             if texttool:
                    518:                 docinfo = self.getDocinfoFromTexttool(docinfo, texttool)
                    519:             
                    520:             # bib info
                    521:             bib = self.metadataService.getBibData(dom=metaDom)
                    522:             if bib:
                    523:                 docinfo = self.getDocinfoFromBib(docinfo, bib)
1.175.2.12  casties   524:             else:
                    525:                 # no bib - try info.xml
                    526:                 docinfo = self.getDocinfoFromPresentationInfoXml(docinfo)
1.175.2.11  casties   527:                 
                    528:             # auth info
                    529:             access = self.metadataService.getAccessData(dom=metaDom)
                    530:             if access:
                    531:                 docinfo = self.getDocinfoFromAccess(docinfo, access)
                    532: 
1.175.2.13  casties   533:             # attribution info
                    534:             attribution = self.metadataService.getAttributionData(dom=metaDom)
                    535:             if attribution:
                    536:                 logging.debug("getDocinfo: attribution=%s"%repr(attribution))
                    537:                 docinfo['attribution'] = attribution
                    538:                 #docinfo = self.getDocinfoFromAccess(docinfo, access)
                    539: 
                    540:             # copyright info
                    541:             copyright = self.metadataService.getCopyrightData(dom=metaDom)
                    542:             if copyright:
                    543:                 logging.debug("getDocinfo: copyright=%s"%repr(copyright))
                    544:                 docinfo['copyright'] = copyright
                    545:                 #docinfo = self.getDocinfoFromAccess(docinfo, access)
                    546: 
1.175.2.11  casties   547:         # image path
                    548:         if mode != 'texttool':
1.175.2.23  casties   549:             # override image path from texttool with url
1.175.2.12  casties   550:             docinfo['imagePath'] = url.replace('/mpiwg/online/', '', 1)
1.175.2.11  casties   551: 
                    552:         # number of images from digilib
                    553:         if docinfo.get('imagePath', None):
                    554:             docinfo['imageURL'] = self.digilibBaseUrl + "/servlet/Scaler?fn=" + docinfo['imagePath']
                    555:             docinfo = self.getDocinfoFromDigilib(docinfo, docinfo['imagePath'])
                    556: 
                    557:         logging.debug("documentViewer (getdocinfo) docinfo: keys=%s"%docinfo.keys())
                    558:         #logging.debug("documentViewer (getdocinfo) docinfo: %s"%docinfo)
                    559:         # store in session
                    560:         self.REQUEST.SESSION['docinfo'] = docinfo
                    561:         return docinfo
                    562: 
                    563:     def getDocinfoFromResource(self, docinfo, resource):
                    564:         """reads contents of resource element into docinfo"""
                    565:         docName = resource.get('name', None)
                    566:         docinfo['documentName'] = docName
                    567:         docPath = resource.get('archive-path', None)
                    568:         if docPath:
                    569:             # clean up document path
                    570:             if docPath[0] != '/':
                    571:                 docPath = '/' + docPath
                    572:                 
                    573:             if docName and (not docPath.endswith(docName)):
                    574:                 docPath += "/" + docName
                    575:             
                    576:         else:
                    577:             # use docUrl as docPath
                    578:             docUrl = docinfo['documentURL']
                    579:             if not docUrl.startswith('http:'):
                    580:                 docPath = docUrl
1.175.2.12  casties   581:         if docPath:
                    582:             # fix URLs starting with /mpiwg/online
                    583:             docPath = docPath.replace('/mpiwg/online', '', 1)
                    584: 
1.175.2.11  casties   585:         docinfo['documentPath'] = docPath
                    586:         return docinfo
                    587: 
                    588:     def getDocinfoFromTexttool(self, docinfo, texttool):
                    589:         """reads contents of texttool element into docinfo"""
                    590:         # image dir
                    591:         imageDir = texttool.get('image', None)
                    592:         docPath = docinfo.get('documentPath', None)
                    593:         if imageDir and docPath:
                    594:             #print "image: ", imageDir, " archivepath: ", archivePath
                    595:             imageDir = os.path.join(docPath, imageDir)
                    596:             imageDir = imageDir.replace('/mpiwg/online', '', 1)
                    597:             docinfo['imagePath'] = imageDir
                    598:         
                    599:         # old style text URL
                    600:         textUrl = texttool.get('text', None)
                    601:         if textUrl and docPath:
                    602:             if urlparse.urlparse(textUrl)[0] == "": #keine url
                    603:                 textUrl = os.path.join(docPath, textUrl) 
                    604:             
                    605:             docinfo['textURL'] = textUrl
                    606:     
                    607:         # new style text-url-path
                    608:         textUrl = texttool.get('text-url-path', None)
                    609:         if textUrl:
                    610:             docinfo['textURLPath'] = textUrl
1.175.2.15  casties   611:             
                    612:         # page flow
                    613:         docinfo['pageFlow'] = texttool.get('page-flow', 'ltr')
                    614:             
                    615:         # odd pages are left
1.175.2.22  casties   616:         docinfo['oddPage'] = texttool.get('odd-scan-position', 'left')
1.175.2.15  casties   617:             
1.175.2.16  casties   618:         # number of title page (0: not defined)
1.175.2.15  casties   619:         docinfo['titlePage'] = texttool.get('title-scan-no', 0)
1.175.2.11  casties   620:             
                    621:         # old presentation stuff
                    622:         presentation = texttool.get('presentation', None)
                    623:         if presentation and docPath:
1.175.2.12  casties   624:             if presentation.startswith('http:'):
                    625:                 docinfo['presentationUrl'] = presentation
                    626:             else:
                    627:                 docinfo['presentationUrl'] = os.path.join(docPath, presentation)
1.175.2.11  casties   628:             
1.175.2.15  casties   629:         
1.175.2.11  casties   630:         return docinfo
                    631: 
                    632:     def getDocinfoFromBib(self, docinfo, bib):
                    633:         """reads contents of bib element into docinfo"""
1.175.2.12  casties   634:         logging.debug("getDocinfoFromBib bib=%s"%repr(bib))
1.175.2.11  casties   635:         # put all raw bib fields in dict "bib"
                    636:         docinfo['bib'] = bib
                    637:         bibtype = bib.get('@type', None)
                    638:         docinfo['bibType'] = bibtype
                    639:         # also store DC metadata for convenience
                    640:         dc = self.metadataService.getDCMappedData(bib)
                    641:         docinfo['creator'] = dc.get('creator',None)
                    642:         docinfo['title'] = dc.get('title',None)
                    643:         docinfo['date'] = dc.get('date',None)
                    644:         return docinfo
                    645:             
                    646:     def getDocinfoFromAccess(self, docinfo, acc):
                    647:         """reads contents of access element into docinfo"""
                    648:         #TODO: also read resource type
1.175.2.12  casties   649:         logging.debug("getDocinfoFromAccess acc=%s"%repr(acc))
1.175.2.11  casties   650:         try:
1.175.2.12  casties   651:             acctype = acc['@attr']['type']
1.175.2.11  casties   652:             if acctype:
                    653:                 access=acctype
                    654:                 if access in ['group', 'institution']:
                    655:                     access = acc['name'].lower()
                    656:                 
                    657:                 docinfo['accessType'] = access
                    658: 
                    659:         except:
                    660:             pass
                    661:         
                    662:         return docinfo
                    663: 
                    664:     def getDocinfoFromDigilib(self, docinfo, path):
                    665:         infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path
                    666:         # fetch data
                    667:         txt = getHttpData(infoUrl)
                    668:         if not txt:
                    669:             logging.error("Unable to get dir-info from %s"%(infoUrl))
                    670:             return docinfo
                    671: 
                    672:         dom = ET.fromstring(txt)
                    673:         size = getText(dom.find("size"))
                    674:         logging.debug("getDocinfoFromDigilib: size=%s"%size)
                    675:         if size:
                    676:             docinfo['numPages'] = int(size)
                    677:         else:
                    678:             docinfo['numPages'] = 0
                    679:             
                    680:         # TODO: produce and keep list of image names and numbers
                    681:         return docinfo
                    682:             
                    683:             
1.175.2.12  casties   684:     def getDocinfoFromPresentationInfoXml(self,docinfo):
                    685:         """gets DC-like bibliographical information from the presentation entry in texttools"""
                    686:         url = docinfo.get('presentationUrl', None)
                    687:         if not url:
                    688:             logging.error("getDocinfoFromPresentation: no URL!")
                    689:             return docinfo
                    690:         
                    691:         dom = None
                    692:         metaUrl = None
                    693:         if url.startswith("http://"):
                    694:             # real URL
                    695:             metaUrl = url
                    696:         else:
                    697:             # online path
                    698:             
                    699:             server=self.digilibBaseUrl+"/servlet/Texter?fn="
                    700:             metaUrl=server+url
                    701:         
                    702:         txt=getHttpData(metaUrl)
                    703:         if txt is None:
                    704:             logging.error("Unable to read info.xml from %s"%(url))
                    705:             return docinfo
                    706:             
                    707:         dom = ET.fromstring(txt)
                    708:         docinfo['creator']=getText(dom.find(".//author"))
                    709:         docinfo['title']=getText(dom.find(".//title"))
                    710:         docinfo['date']=getText(dom.find(".//date"))
                    711:         return docinfo
                    712:     
                    713: 
1.175.2.24  casties   714:     def getPageinfo(self, current=None, start=None, rows=None, cols=None, docinfo=None, viewMode=None, viewType=None, tocMode=None):
1.3       casties   715:         """returns pageinfo with the given parameters"""
1.175.2.24  casties   716:         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   717:         pageinfo = {}
1.175.2.17  casties   718:         pageinfo['viewMode'] = viewMode
                    719:         pageinfo['viewType'] = viewType
                    720:         pageinfo['tocMode'] = tocMode
                    721: 
1.4       casties   722:         current = getInt(current)
                    723:         pageinfo['current'] = current
1.175.2.26  casties   724:         pageinfo['pn'] = current
1.4       casties   725:         rows = int(rows or self.thumbrows)
                    726:         pageinfo['rows'] = rows
                    727:         cols = int(cols or self.thumbcols)
                    728:         pageinfo['cols'] = cols
                    729:         grpsize = cols * rows
                    730:         pageinfo['groupsize'] = grpsize
1.175.2.22  casties   731:         # is start is empty use one around current
1.28      casties   732:         start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1)))
                    733:         # int(current / grpsize) * grpsize +1))
1.3       casties   734:         pageinfo['start'] = start
1.175.2.26  casties   735:         
1.175.2.16  casties   736:         np = int(docinfo.get('numPages', 0))
                    737:         if np == 0:
                    738:             # numPages unknown - maybe we can get it from text page
                    739:             if docinfo.get('textURLPath', None):
                    740:                 # cache text page as well
1.175.2.26  casties   741:                 pageinfo['textPage'] = self.getTextPage(mode=viewType, pn=current, docinfo=docinfo, pageinfo=pageinfo)
1.175.2.16  casties   742:                 np = int(docinfo.get('numPages', 0))
                    743:                 
                    744:         pageinfo['numgroups'] = int(np / grpsize)
                    745:         if np % grpsize > 0:
                    746:             pageinfo['numgroups'] += 1
1.175.2.22  casties   747: 
                    748:         pageFlowLtr = docinfo.get('pageFlow', 'ltr') != 'rtl'
                    749:         oddScanLeft = docinfo.get('oddPage', 'left') != 'right'
                    750:         # add zeroth page for two columns
                    751:         pageZero = (cols == 2 and (pageFlowLtr != oddScanLeft))
                    752:         pageinfo['pageZero'] = pageZero
1.175.2.26  casties   753:         pageinfo['pageBatch'] = self.getPageBatch(start=start, rows=rows, cols=cols, pageFlowLtr=pageFlowLtr, pageZero=pageZero, minIdx=1, maxIdx=np)
1.175.2.7  casties   754:                 
1.175.2.26  casties   755:         # TODO: do we need this here?
1.161     abukhman  756:         pageinfo['characterNormalization'] = self.REQUEST.get('characterNormalization','reg')
1.156     abukhman  757:         pageinfo['query'] = self.REQUEST.get('query','') 
1.146     abukhman  758:         pageinfo['queryType'] = self.REQUEST.get('queryType','')
1.45      abukhman  759:         pageinfo['querySearch'] =self.REQUEST.get('querySearch', 'fulltext')
1.146     abukhman  760:         pageinfo['highlightQuery'] = self.REQUEST.get('highlightQuery','')
1.175.2.22  casties   761:         pageinfo['tocPageSize'] = getInt(self.REQUEST.get('tocPageSize', 30))
                    762:         pageinfo['queryPageSize'] = getInt(self.REQUEST.get('queryPageSize', 10))
                    763:         pageinfo['tocPN'] = getInt(self.REQUEST.get('tocPN', '1'))
                    764:         pageinfo['searchPN'] = getInt(self.REQUEST.get('searchPN','1'))
1.90      abukhman  765:         
1.175.2.22  casties   766:         # limit tocPN
1.48      abukhman  767:         if 'tocSize_%s'%tocMode in docinfo:
1.175.2.22  casties   768:             tocSize = docinfo['tocSize_%s'%tocMode]
                    769:             tocPageSize = pageinfo['tocPageSize']
1.69      abukhman  770:             # cached toc           
1.48      abukhman  771:             if tocSize%tocPageSize>0:
                    772:                 tocPages=tocSize/tocPageSize+1
                    773:             else:
                    774:                 tocPages=tocSize/tocPageSize
1.175.2.7  casties   775:                 
1.175.2.22  casties   776:             pageinfo['tocPN'] = min(tocPages,pageinfo['tocPN'])
1.175.2.7  casties   777:             
1.3       casties   778:         return pageinfo
1.175.2.7  casties   779: 
1.175.2.10  casties   780: 
1.175.2.27  casties   781:     def getPageBatch(self, start=1, rows=10, cols=2, pageFlowLtr=True, pageZero=False, minIdx=1, maxIdx=0):
1.175.2.26  casties   782:         """returns dict with array of page informations for one screenfull of thumbnails"""
1.175.2.27  casties   783:         batch = {}
1.175.2.26  casties   784:         grpsize = rows * cols
1.175.2.22  casties   785:         if maxIdx == 0:
1.175.2.26  casties   786:             maxIdx = start + grpsize
1.175.2.22  casties   787: 
1.175.2.27  casties   788:         nb = int(math.ceil(maxIdx / float(grpsize)))
                    789:         # list of all batch start and end points
                    790:         batches = []
                    791:         if pageZero:
                    792:             ofs = 0
                    793:         else:
                    794:             ofs = 1
                    795:             
                    796:         for i in range(nb):
                    797:             s = i * grpsize + ofs
                    798:             e = min((i + 1) * grpsize + ofs - 1, maxIdx)
                    799:             batches.append({'start':s, 'end':e})
                    800:             
                    801:         batch['batches'] = batches
                    802: 
1.175.2.22  casties   803:         pages = []
                    804:         if pageZero and start == 1:
                    805:             # correct beginning
                    806:             idx = 0
                    807:         else:
                    808:             idx = start
                    809:             
                    810:         for r in range(rows):
                    811:             row = []
                    812:             for c in range(cols):
                    813:                 if idx < minIdx or idx > maxIdx:
                    814:                     page = {'idx':None}
                    815:                 else:
                    816:                     page = {'idx':idx}
                    817:                     
                    818:                 idx += 1
                    819:                 if pageFlowLtr:
                    820:                     row.append(page)
                    821:                 else:
                    822:                     row.insert(0, page) 
                    823:                 
                    824:             pages.append(row)
                    825:             
1.175.2.26  casties   826:         if start > 1:
                    827:             batch['prevStart'] = max(start - grpsize, 1)
                    828:         else:
                    829:             batch['prevStart'] = None
                    830:             
                    831:         if start + grpsize < maxIdx:
                    832:             batch['nextStart'] = start + grpsize
                    833:         else:
                    834:             batch['nextStart'] = None
                    835: 
                    836:         batch['pages'] = pages
1.175.2.27  casties   837:         return batch
                    838:         
                    839:     def getBatch(self, start=1, size=10, end=0, data=None, fullData=True):
                    840:         """returns dict with information for one screenfull of data."""
                    841:         batch = {}
                    842:         if end == 0:
                    843:             end = start + size                    
                    844:             
                    845:         nb = int(math.ceil(end / float(size)))
                    846:         # list of all batch start and end points
                    847:         batches = []
                    848:         for i in range(nb):
                    849:             s = i * size + 1
                    850:             e = min((i + 1) * size, end)
                    851:             batches.append({'start':s, 'end':e})
                    852:             
                    853:         batch['batches'] = batches
                    854:         # list of elements in this batch
                    855:         this = []
                    856:         j = 0
                    857:         for i in range(start, min(start+size, end)):
                    858:             if data:
                    859:                 if fullData:
                    860:                     d = data[i]
                    861:                 else:
                    862:                     d = data[j]
                    863:                     j += 1
                    864:             
                    865:             else:
                    866:                 d = i+1
                    867:                 
                    868:             this.append(d)
                    869:             
                    870:         batch['this'] = this
                    871:         if start > 1:
                    872:             batch['prevStart'] = max(start - size, 1)
                    873:         else:
                    874:             batch['prevStart'] = None
                    875:             
                    876:         if start + size < end:
                    877:             batch['nextStart'] = start + size
                    878:         else:
                    879:             batch['nextStart'] = None
                    880:         
1.175.2.26  casties   881:         return batch
1.175.2.22  casties   882:         
                    883: 
1.175.2.10  casties   884:     security.declareProtected('View management screens','changeDocumentViewerForm')    
                    885:     changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())
1.3       casties   886:     
1.175.2.7  casties   887:     def changeDocumentViewer(self,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=5,authgroups='mpiwg',RESPONSE=None):
1.3       casties   888:         """init document viewer"""
                    889:         self.title=title
                    890:         self.digilibBaseUrl = digilibBaseUrl
1.4       casties   891:         self.thumbrows = thumbrows
                    892:         self.thumbcols = thumbcols
1.8       casties   893:         self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
1.175.2.10  casties   894:         try:
                    895:             # assume MetaDataFolder instance is called metadata 
                    896:             self.metadataService = getattr(self, 'metadata')
                    897:         except Exception, e:
                    898:             logging.error("Unable to find MetaDataFolder 'metadata': "+str(e))
                    899: 
1.3       casties   900:         if RESPONSE is not None:
                    901:             RESPONSE.redirect('manage_main')
1.1       dwinter   902:         
                    903: def manage_AddDocumentViewerForm(self):
                    904:     """add the viewer form"""
1.3       casties   905:     pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self)
1.1       dwinter   906:     return pt()
                    907:   
1.43      casties   908: def manage_AddDocumentViewer(self,id,imageScalerUrl="",textServerName="",title="",RESPONSE=None):
1.1       dwinter   909:     """add the viewer"""
1.43      casties   910:     newObj=documentViewer(id,imageScalerUrl=imageScalerUrl,title=title,textServerName=textServerName)
1.1       dwinter   911:     self._setObject(id,newObj)
                    912:     
                    913:     if RESPONSE is not None:
                    914:         RESPONSE.redirect('manage_main')

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