Annotation of documentViewer/documentViewer.py, revision 1.175.2.32

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
1.175.2.32! casties     5: from App.Common import rfc1123_date
1.175.2.30  casties     6: #from Products.ZSimpleFile.ZSimpleFile import ZSimpleFile
1.1       dwinter     7: from AccessControl import ClassSecurityInfo
1.8       casties     8: from AccessControl import getSecurityManager
1.1       dwinter     9: from Globals import package_home
                     10: 
1.175.2.1  casties    11: import xml.etree.ElementTree as ET
                     12: 
1.175.2.32! casties    13: import os
        !            14: import stat
1.7       casties    15: import sys
1.1       dwinter    16: import urllib
1.20      dwinter    17: import logging
1.28      casties    18: import math
1.18      dwinter    19: import urlparse 
1.99      dwinter    20: import re
1.149     abukhman   21: import string
1.117     abukhman   22: 
1.175.2.5  casties    23: from SrvTxtUtils import getInt, getText, getHttpData
                     24: 
1.22      dwinter    25: def logger(txt,method,txt2):
                     26:     """logging"""
                     27:     logging.info(txt+ txt2)
                     28:     
                     29:     
1.170     abukhman   30: def serializeNode(node, encoding="utf-8"):
1.43      casties    31:     """returns a string containing node as XML"""
1.175.2.1  casties    32:     s = ET.tostring(node)
                     33:     
                     34:     # 4Suite:
                     35:     #    stream = cStringIO.StringIO()
                     36:     #    Ft.Xml.Domlette.Print(node, stream=stream, encoding=encoding)
                     37:     #    s = stream.getvalue()
                     38:     #    stream.close()
1.43      casties    39:     return s
                     40: 
1.148     abukhman   41: def browserCheck(self):
                     42:     """check the browsers request to find out the browser type"""
                     43:     bt = {}
                     44:     ua = self.REQUEST.get_header("HTTP_USER_AGENT")
                     45:     bt['ua'] = ua
                     46:     bt['isIE'] = False
                     47:     bt['isN4'] = False
1.165     abukhman   48:     bt['versFirefox']=""
                     49:     bt['versIE']=""
                     50:     bt['versSafariChrome']=""
                     51:     bt['versOpera']=""
                     52:     
1.148     abukhman   53:     if string.find(ua, 'MSIE') > -1:
                     54:         bt['isIE'] = True
                     55:     else:
                     56:         bt['isN4'] = (string.find(ua, 'Mozilla/4.') > -1)
1.165     abukhman   57:     # Safari oder Chrome identification    
                     58:     try:
                     59:         nav = ua[string.find(ua, '('):]
                     60:         nav1=ua[string.find(ua,')'):]
                     61:         nav2=nav1[string.find(nav1,'('):]
                     62:         nav3=nav2[string.find(nav2,')'):]
                     63:         ie = string.split(nav, "; ")[1]
                     64:         ie1 =string.split(nav1, " ")[2]
                     65:         ie2 =string.split(nav3, " ")[1]
                     66:         ie3 =string.split(nav3, " ")[2]
                     67:         if string.find(ie3, "Safari") >-1:
                     68:             bt['versSafariChrome']=string.split(ie2, "/")[1]
                     69:     except: pass
                     70:     # IE identification
1.148     abukhman   71:     try:
                     72:         nav = ua[string.find(ua, '('):]
                     73:         ie = string.split(nav, "; ")[1]
                     74:         if string.find(ie, "MSIE") > -1:
                     75:             bt['versIE'] = string.split(ie, " ")[1]
1.165     abukhman   76:     except:pass
                     77:     # Firefox identification
                     78:     try:
                     79:         nav = ua[string.find(ua, '('):]
                     80:         nav1=ua[string.find(ua,')'):]
                     81:         if string.find(ie1, "Firefox") >-1:
                     82:             nav5= string.split(ie1, "/")[1]
                     83:             logging.debug("FIREFOX: %s"%(nav5))
1.166     abukhman   84:             bt['versFirefox']=nav5[0:3]                   
1.165     abukhman   85:     except:pass
                     86:     #Opera identification
                     87:     try:
                     88:         if string.find(ua,"Opera") >-1:
                     89:             nav = ua[string.find(ua, '('):]
                     90:             nav1=nav[string.find(nav,')'):]
                     91:             bt['versOpera']=string.split(nav1,"/")[2]
                     92:     except:pass
1.148     abukhman   93:     
                     94:     bt['isMac'] = string.find(ua, 'Macintosh') > -1
                     95:     bt['isWin'] = string.find(ua, 'Windows') > -1
                     96:     bt['isIEWin'] = bt['isIE'] and bt['isWin']
                     97:     bt['isIEMac'] = bt['isIE'] and bt['isMac']
                     98:     bt['staticHTML'] = False
                     99: 
                    100:     return bt
1.118     abukhman  101: 
1.175.2.11  casties   102: def getParentPath(path, cnt=1):
                    103:     """returns pathname shortened by cnt"""
                    104:     # make sure path doesn't end with /
                    105:     path = path.rstrip('/')
                    106:     # split by /, shorten, and reassemble
                    107:     return '/'.join(path.split('/')[0:-cnt])
                    108: 
1.175.2.32! casties   109: def devImageFileIndexHtml(self, REQUEST, RESPONSE):
        !           110:     """index_html method for App.ImageFile that updates the file info for each request."""
        !           111:     stat_info = os.stat(self.path)
        !           112:     self.size = stat_info[stat.ST_SIZE]
        !           113:     self.lmt = float(stat_info[stat.ST_MTIME]) or time.time()
        !           114:     self.lmh = rfc1123_date(self.lmt)
        !           115:     # call original method
        !           116:     return ImageFile.index_html(self, REQUEST, RESPONSE)
1.175.2.8  casties   117: 
1.3       casties   118: ##
                    119: ## documentViewer class
                    120: ##
                    121: class documentViewer(Folder):
1.1       dwinter   122:     """document viewer"""
                    123:     meta_type="Document viewer"
                    124:     
                    125:     security=ClassSecurityInfo()
1.3       casties   126:     manage_options=Folder.manage_options+(
1.1       dwinter   127:         {'label':'main config','action':'changeDocumentViewerForm'},
                    128:         )
1.175.2.10  casties   129:     
                    130:     metadataService = None
                    131:     """MetaDataFolder instance"""
1.1       dwinter   132: 
1.3       casties   133:     # templates and forms
1.175.2.25  casties   134:     viewer_text = PageTemplateFile('zpt/viewer_text', globals())
1.175.2.28  casties   135:     viewer_images = PageTemplateFile('zpt/viewer_images', globals())
1.3       casties   136:     viewer_main = PageTemplateFile('zpt/viewer_main', globals())
1.44      casties   137:     toc_thumbs = PageTemplateFile('zpt/toc_thumbs', globals())
                    138:     toc_text = PageTemplateFile('zpt/toc_text', globals())
                    139:     toc_figures = PageTemplateFile('zpt/toc_figures', globals())
1.43      casties   140:     page_main_images = PageTemplateFile('zpt/page_main_images', globals())
1.161     abukhman  141:     page_main_double = PageTemplateFile('zpt/page_main_double', globals())
1.43      casties   142:     page_main_text = PageTemplateFile('zpt/page_main_text', globals())
1.44      casties   143:     page_main_text_dict = PageTemplateFile('zpt/page_main_text_dict', globals())
1.77      abukhman  144:     page_main_gis =PageTemplateFile ('zpt/page_main_gis', globals())
1.48      abukhman  145:     page_main_xml = PageTemplateFile('zpt/page_main_xml', globals())
1.157     abukhman  146:     page_main_pureXml = PageTemplateFile('zpt/page_main_pureXml', globals())
1.3       casties   147:     head_main = PageTemplateFile('zpt/head_main', globals())
1.26      casties   148:     info_xml = PageTemplateFile('zpt/info_xml', globals())
1.175.2.30  casties   149:     docuviewer_css = ImageFile('css/docuviewer.css',globals())
1.175.2.32! casties   150:     # make ImageFile better for development
        !           151:     docuviewer_css.index_html = devImageFileIndexHtml
1.70      casties   152:     
                    153:     
1.32      dwinter   154:     thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals())
1.3       casties   155: 
1.1       dwinter   156:     
1.45      abukhman  157:     def __init__(self,id,imageScalerUrl=None,textServerName=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=5,authgroups="mpiwg"):
1.1       dwinter   158:         """init document viewer"""
                    159:         self.id=id
                    160:         self.title=title
1.4       casties   161:         self.thumbcols = thumbcols
                    162:         self.thumbrows = thumbrows
1.8       casties   163:         # authgroups is list of authorized groups (delimited by ,)
                    164:         self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
1.43      casties   165:         # create template folder so we can always use template.something
                    166:         
                    167:         templateFolder = Folder('template')
                    168:         #self['template'] = templateFolder # Zope-2.12 style
                    169:         self._setObject('template',templateFolder) # old style
                    170:         try:
1.70      casties   171:             import MpdlXmlTextServer
1.71      casties   172:             textServer = MpdlXmlTextServer.MpdlXmlTextServer(id='fulltextclient',serverName=textServerName)
1.43      casties   173:             #templateFolder['fulltextclient'] = xmlRpcClient
1.70      casties   174:             templateFolder._setObject('fulltextclient',textServer)
1.43      casties   175:         except Exception, e:
1.70      casties   176:             logging.error("Unable to create MpdlXmlTextServer for fulltextclient: "+str(e))
1.175.2.10  casties   177:             
1.43      casties   178:         try:
                    179:             from Products.zogiLib.zogiLib import zogiLib
                    180:             zogilib = zogiLib(id="zogilib", title="zogilib for docuviewer", dlServerURL=imageScalerUrl, layout="book")
                    181:             #templateFolder['zogilib'] = zogilib
                    182:             templateFolder._setObject('zogilib',zogilib)
                    183:         except Exception, e:
                    184:             logging.error("Unable to create zogiLib for zogilib: "+str(e))
1.175.2.10  casties   185:             
                    186:         try:
                    187:             # assume MetaDataFolder instance is called metadata 
                    188:             self.metadataService = getattr(self, 'metadata')
                    189:         except Exception, e:
                    190:             logging.error("Unable to find MetaDataFolder 'metadata': "+str(e))
                    191:             
1.175.2.23  casties   192:         if digilibBaseUrl is not None:
                    193:             self.digilibBaseUrl = digilibBaseUrl
                    194:             
1.70      casties   195:         
                    196:     # proxy text server methods to fulltextclient
                    197:     def getTextPage(self, **args):
                    198:         """get page"""
                    199:         return self.template.fulltextclient.getTextPage(**args)
1.171     abukhman  200: 
                    201:     def getOrigPages(self, **args):
                    202:         """get page"""
                    203:         return self.template.fulltextclient.getOrigPages(**args)
1.167     abukhman  204:     
1.171     abukhman  205:     def getOrigPagesNorm(self, **args):
                    206:         """get page"""
                    207:         return self.template.fulltextclient.getOrigPagesNorm(**args)
                    208: 
1.70      casties   209:     def getQuery(self, **args):
1.163     abukhman  210:         """get query in search"""
1.70      casties   211:         return self.template.fulltextclient.getQuery(**args)
1.163     abukhman  212:      
1.70      casties   213:     def getSearch(self, **args):
                    214:         """get search"""
                    215:         return self.template.fulltextclient.getSearch(**args)
1.120     abukhman  216:     
                    217:     def getGisPlaces(self, **args):
1.121     abukhman  218:         """get gis places"""
1.120     abukhman  219:         return self.template.fulltextclient.getGisPlaces(**args)
1.121     abukhman  220:  
                    221:     def getAllGisPlaces(self, **args):
1.122     abukhman  222:         """get all gis places """
                    223:         return self.template.fulltextclient.getAllGisPlaces(**args)
1.163     abukhman  224:        
1.175.2.24  casties   225:     def getWordInfo(self, **args):
1.70      casties   226:         """get translate"""
1.175.2.24  casties   227:         return self.template.fulltextclient.getWordInfo(**args)
1.70      casties   228: 
                    229:     def getLemma(self, **args):
                    230:         """get lemma"""
                    231:         return self.template.fulltextclient.getLemma(**args)
                    232: 
1.173     abukhman  233:     def getLemmaQuery(self, **args):
                    234:         """get query"""
                    235:         return self.template.fulltextclient.getLemmaQuery(**args)
                    236: 
                    237:     def getLex(self, **args):
                    238:         """get lex"""
                    239:         return self.template.fulltextclient.getLex(**args)
                    240: 
1.70      casties   241:     def getToc(self, **args):
                    242:         """get toc"""
                    243:         return self.template.fulltextclient.getToc(**args)
                    244: 
                    245:     def getTocPage(self, **args):
                    246:         """get tocpage"""
                    247:         return self.template.fulltextclient.getTocPage(**args)
1.3       casties   248: 
1.70      casties   249:     
1.32      dwinter   250:     security.declareProtected('View','thumbs_rss')
                    251:     def thumbs_rss(self,mode,url,viewMode="auto",start=None,pn=1):
                    252:         '''
                    253:         view it
                    254:         @param mode: defines how to access the document behind url 
                    255:         @param url: url which contains display information
                    256:         @param viewMode: if images display images, if text display text, default is images (text,images or auto)
                    257:         
                    258:         '''
1.95      abukhman  259:         logging.debug("HHHHHHHHHHHHHH:load the rss")
1.175.2.5  casties   260:         logging.debug("documentViewer (index) mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
1.32      dwinter   261:         
                    262:         if not hasattr(self, 'template'):
                    263:             # create template folder if it doesn't exist
                    264:             self.manage_addFolder('template')
                    265:             
                    266:         if not self.digilibBaseUrl:
                    267:             self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
                    268:             
                    269:         docinfo = self.getDocinfo(mode=mode,url=url)
1.132     abukhman  270:         #pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
1.138     abukhman  271:         pageinfo = self.getPageinfo(start=start,current=pn, docinfo=docinfo)
1.126     abukhman  272:         ''' ZDES '''
1.32      dwinter   273:         pt = getattr(self.template, 'thumbs_main_rss')
                    274:         
                    275:         if viewMode=="auto": # automodus gewaehlt
1.159     casties   276:             if docinfo.has_key("textURL") or docinfo.get('textURLPath',None): #texturl gesetzt und textViewer konfiguriert
1.32      dwinter   277:                 viewMode="text"
                    278:             else:
                    279:                 viewMode="images"
                    280:                
                    281:         return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)
1.175.2.12  casties   282: 
1.32      dwinter   283:   
1.3       casties   284:     security.declareProtected('View','index_html')
1.175.2.18  casties   285:     def index_html(self,url,mode="texttool",viewMode="auto",viewType=None,tocMode="thumbs",start=1,pn=1):
1.175.2.11  casties   286:         """
1.175.2.17  casties   287:         view page
1.3       casties   288:         @param url: url which contains display information
1.175.2.17  casties   289:         @param mode: defines how to access the document behind url 
                    290:         @param viewMode: 'images': display images, 'text': display text, default is 'auto'
                    291:         @param viewType: sub-type of viewMode, e.g. 'dict' for viewMode='text'
1.48      abukhman  292:         @param tocMode: type of 'table of contents' for navigation (thumbs, text, figures, none)
1.175.2.11  casties   293:         """
1.3       casties   294:         
1.175.2.21  casties   295:         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   296:         
1.3       casties   297:         if not hasattr(self, 'template'):
1.43      casties   298:             # this won't work
                    299:             logging.error("template folder missing!")
                    300:             return "ERROR: template folder missing!"
1.3       casties   301:             
1.43      casties   302:         if not getattr(self, 'digilibBaseUrl', None):
1.71      casties   303:             self.digilibBaseUrl = self.findDigilibUrl() or "http://digilib.mpiwg-berlin.mpg.de/digitallibrary"
1.3       casties   304:             
1.4       casties   305:         docinfo = self.getDocinfo(mode=mode,url=url)
1.47      abukhman  306:         
1.44      casties   307:         if tocMode != "thumbs":
                    308:             # get table of contents
                    309:             docinfo = self.getToc(mode=tocMode, docinfo=docinfo)
1.175.2.3  casties   310: 
1.175.2.17  casties   311:         # auto viewMode: text if there is a text else images
1.175.2.3  casties   312:         if viewMode=="auto": 
                    313:             if docinfo.get('textURL', None) or docinfo.get('textURLPath', None): 
1.175.2.17  casties   314:                 viewMode = "text"
                    315:                 viewType = "dict"
1.21      dwinter   316:             else:
1.175.2.17  casties   317:                 viewMode = "images"
1.44      casties   318:                 
1.175.2.20  casties   319:         elif viewMode == "text_dict":
                    320:             # legacy fix
                    321:             viewMode = "text"
                    322:             viewType = "dict"
                    323:             
1.175.2.21  casties   324:         # stringify viewType
                    325:         if isinstance(viewType, list):
1.175.2.24  casties   326:             logging.debug("index_html: viewType is list:%s"%viewType)
1.175.2.21  casties   327:             viewType = ','.join([t for t in viewType if t])
                    328:                         
1.175.2.18  casties   329:         pageinfo = self.getPageinfo(start=start, current=pn, docinfo=docinfo, viewMode=viewMode, viewType=viewType, tocMode=tocMode)
1.175.2.16  casties   330:                     
1.175.2.21  casties   331:         # get template /template/viewer_$viewMode
                    332:         pt = getattr(self.template, 'viewer_%s'%viewMode, None)
                    333:         if pt is None:
                    334:             logging.error("No template for viewMode=%s!"%viewMode)
                    335:             # TODO: error page?
                    336:             return "No template for viewMode=%s!"%viewMode
                    337:         
1.175.2.3  casties   338:         # and execute with parameters
1.175.2.17  casties   339:         return pt(docinfo=docinfo, pageinfo=pageinfo)
1.1       dwinter   340:   
1.36      dwinter   341:     def generateMarks(self,mk):
                    342:         ret=""
1.44      casties   343:         if mk is None:
                    344:             return ""
1.73      casties   345:         if not isinstance(mk, list):
1.71      casties   346:             mk=[mk]
1.36      dwinter   347:         for m in mk:
1.37      dwinter   348:             ret+="mk=%s"%m
1.36      dwinter   349:         return ret
1.149     abukhman  350:     
                    351:     
1.148     abukhman  352:     def getBrowser(self):
                    353:         """getBrowser the version of browser """
1.162     casties   354:         bt = browserCheck(self)
1.164     abukhman  355:         logging.debug("BROWSER VERSION: %s"%(bt))
1.162     casties   356:         return bt
1.148     abukhman  357:         
1.43      casties   358:     def findDigilibUrl(self):
                    359:         """try to get the digilib URL from zogilib"""
                    360:         url = self.template.zogilib.getDLBaseUrl()
                    361:         return url
1.175.2.26  casties   362:     
                    363:     def getScalerUrl(self, fn=None, pn=None, dw=100, dh=100, docinfo=None):
                    364:         """returns URL to digilib Scaler with params"""
                    365:         url = None
                    366:         if docinfo is not None:
                    367:             url = docinfo.get('imageURL', None)
                    368:             
                    369:         if url is None:
                    370:             url = "%s/servlet/Scaler?"%self.digilibBaseUrl
                    371:             if fn is None and docinfo is not None:
                    372:                 fn = docinfo.get('imagePath','')
                    373:             
                    374:             url += "fn=%s"%fn
                    375:             
                    376:         if pn:
                    377:             url += "&pn=%s"%pn
                    378:             
                    379:         url += "&dw=%s&dh=%s"%(dw,dh)
                    380:         return url
1.67      casties   381: 
                    382:     def getDocumentViewerURL(self):
                    383:         """returns the URL of this instance"""
                    384:         return self.absolute_url()
1.43      casties   385:     
                    386:     def getStyle(self, idx, selected, style=""):
1.175.2.26  casties   387:         """returns a string with the given style and append 'sel' if idx == selected."""
1.43      casties   388:         #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))
                    389:         if idx == selected:
                    390:             return style + 'sel'
                    391:         else:
                    392:             return style
1.36      dwinter   393:     
1.175.2.24  casties   394:     def getParams(self, param=None, val=None, params=None, duplicates=None):
1.175.2.16  casties   395:         """returns dict with URL parameters.
                    396:         
                    397:         Takes URL parameters and additionally param=val or dict params.
                    398:         Deletes key if value is None."""
1.162     casties   399:         # copy existing request params
1.175.2.16  casties   400:         newParams=self.REQUEST.form.copy()
1.162     casties   401:         # change single param
1.4       casties   402:         if param is not None:
1.7       casties   403:             if val is None:
1.175.2.16  casties   404:                 if newParams.has_key(param):
                    405:                     del newParams[param]
1.4       casties   406:             else:
1.175.2.16  casties   407:                 newParams[param] = str(val)
1.43      casties   408:                 
1.162     casties   409:         # change more params
                    410:         if params is not None:
1.175.2.24  casties   411:             for (k, v) in params.items():
1.162     casties   412:                 if v is None:
                    413:                     # val=None removes param
1.175.2.16  casties   414:                     if newParams.has_key(k):
                    415:                         del newParams[k]
1.162     casties   416:                         
                    417:                 else:
1.175.2.16  casties   418:                     newParams[k] = v
1.175.2.24  casties   419: 
                    420:         if duplicates:
                    421:             # eliminate lists (coming from duplicate keys)
                    422:             for (k,v) in newParams.items():
                    423:                 if isinstance(v, list):
                    424:                     if duplicates == 'comma':
                    425:                         # make comma-separated list of non-empty entries
                    426:                         newParams[k] = ','.join([t for t in v if t])
                    427:                     elif duplicates == 'first':
                    428:                         # take first non-empty entry
                    429:                         newParams[k] = [t for t in v if t][0]
                    430:         
1.175.2.16  casties   431:         return newParams
                    432:     
1.175.2.24  casties   433:     def getLink(self, param=None, val=None, params=None, baseUrl=None, paramSep='&', duplicates='comma'):
1.175.2.16  casties   434:         """returns URL to documentviewer with parameter param set to val or from dict params"""
1.175.2.24  casties   435:         urlParams = self.getParams(param=param, val=val, params=params, duplicates=duplicates)
1.162     casties   436:         # quote values and assemble into query string (not escaping '/')
1.175.2.21  casties   437:         ps = paramSep.join(["%s=%s"%(k,urllib.quote_plus(unicode(v),'/')) for (k, v) in urlParams.items()])
1.162     casties   438:         if baseUrl is None:
1.175.2.16  casties   439:             baseUrl = self.getDocumentViewerURL()
1.162     casties   440:             
                    441:         url = "%s?%s"%(baseUrl, ps)
1.4       casties   442:         return url
                    443: 
1.175.2.24  casties   444:     def getLinkAmp(self, param=None, val=None, params=None, baseUrl=None, duplicates='comma'):
1.32      dwinter   445:         """link to documentviewer with parameter param set to val"""
1.175.2.24  casties   446:         return self.getLink(param=param, val=val, params=params, baseUrl=baseUrl, paramSep='&', duplicates=duplicates)
1.40      casties   447:     
1.175.2.16  casties   448:     
1.26      casties   449:     def getInfo_xml(self,url,mode):
                    450:         """returns info about the document as XML"""
                    451:         if not self.digilibBaseUrl:
                    452:             self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
                    453:         
                    454:         docinfo = self.getDocinfo(mode=mode,url=url)
                    455:         pt = getattr(self.template, 'info_xml')
                    456:         return pt(docinfo=docinfo)
                    457: 
1.9       casties   458:     def isAccessible(self, docinfo):
1.8       casties   459:         """returns if access to the resource is granted"""
                    460:         access = docinfo.get('accessType', None)
1.95      abukhman  461:         logging.debug("documentViewer (accessOK) access type %s"%access)
1.175.2.12  casties   462:         if access == 'free':
1.95      abukhman  463:             logging.debug("documentViewer (accessOK) access is free")
1.8       casties   464:             return True
1.175.2.12  casties   465:         
1.17      casties   466:         elif access is None or access in self.authgroups:
1.9       casties   467:             # only local access -- only logged in users
                    468:             user = getSecurityManager().getUser()
1.95      abukhman  469:             logging.debug("documentViewer (accessOK) user=%s ip=%s"%(user,self.REQUEST.getClientAddr()))
1.9       casties   470:             if user is not None:
                    471:                 #print "user: ", user
                    472:                 return (user.getUserName() != "Anonymous User")
                    473:             else:
                    474:                 return False
1.8       casties   475:         
1.95      abukhman  476:         logging.error("documentViewer (accessOK) unknown access type %s"%access)
1.8       casties   477:         return False
1.9       casties   478:     
1.175.2.11  casties   479: 
                    480: 
                    481:     def getDocinfo(self, mode, url):
                    482:         """returns docinfo depending on mode"""
                    483:         logging.debug("getDocinfo: mode=%s, url=%s"%(mode,url))
                    484:         # look for cached docinfo in session
                    485:         if self.REQUEST.SESSION.has_key('docinfo'):
                    486:             docinfo = self.REQUEST.SESSION['docinfo']
                    487:             # check if its still current
                    488:             if docinfo is not None and docinfo.get('mode', None) == mode and docinfo.get('url', None) == url:
                    489:                 logging.debug("getDocinfo: docinfo in session. keys=%s"%docinfo.keys())
                    490:                 return docinfo
                    491:             
                    492:         # new docinfo
                    493:         docinfo = {'mode': mode, 'url': url}
                    494:         # add self url
                    495:         docinfo['viewerUrl'] = self.getDocumentViewerURL()
1.175.2.23  casties   496:         docinfo['digilibBaseUrl'] = self.digilibBaseUrl
1.175.2.11  casties   497:         # get index.meta DOM
                    498:         docUrl = None
                    499:         metaDom = None
                    500:         if mode=="texttool": 
                    501:             # url points to document dir or index.meta
                    502:             metaDom = self.metadataService.getDomFromPathOrUrl(url)
                    503:             docUrl = url.replace('/index.meta', '')
                    504:             if metaDom is None:
                    505:                 raise IOError("Unable to find index.meta for mode=texttool!")
                    506: 
                    507:         elif mode=="imagepath":
                    508:             # url points to folder with images, index.meta optional
                    509:             # asssume index.meta in parent dir
                    510:             docUrl = getParentPath(url)
                    511:             metaDom = self.metadataService.getDomFromPathOrUrl(docUrl)
                    512: 
                    513:         elif mode=="filepath":
                    514:             # url points to image file, index.meta optional
                    515:             # asssume index.meta is two path segments up
                    516:             docUrl = getParentPath(url, 2)
                    517:             metaDom = self.metadataService.getDomFromPathOrUrl(docUrl)
                    518: 
                    519:         else:
                    520:             logging.error("documentViewer (getdocinfo) unknown mode: %s!"%mode)
                    521:             raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode))
                    522:         
                    523:         docinfo['documentUrl'] = docUrl
                    524:         # process index.meta contents
1.175.2.19  casties   525:         if metaDom is not None and metaDom.tag == 'resource':
1.175.2.11  casties   526:             # document directory name and path
                    527:             resource = self.metadataService.getResourceData(dom=metaDom)
                    528:             if resource:
                    529:                 docinfo = self.getDocinfoFromResource(docinfo, resource)
                    530: 
                    531:             # texttool info
                    532:             texttool = self.metadataService.getTexttoolData(dom=metaDom)
                    533:             if texttool:
                    534:                 docinfo = self.getDocinfoFromTexttool(docinfo, texttool)
                    535:             
                    536:             # bib info
                    537:             bib = self.metadataService.getBibData(dom=metaDom)
                    538:             if bib:
                    539:                 docinfo = self.getDocinfoFromBib(docinfo, bib)
1.175.2.12  casties   540:             else:
                    541:                 # no bib - try info.xml
                    542:                 docinfo = self.getDocinfoFromPresentationInfoXml(docinfo)
1.175.2.11  casties   543:                 
                    544:             # auth info
                    545:             access = self.metadataService.getAccessData(dom=metaDom)
                    546:             if access:
                    547:                 docinfo = self.getDocinfoFromAccess(docinfo, access)
                    548: 
1.175.2.13  casties   549:             # attribution info
                    550:             attribution = self.metadataService.getAttributionData(dom=metaDom)
                    551:             if attribution:
                    552:                 logging.debug("getDocinfo: attribution=%s"%repr(attribution))
                    553:                 docinfo['attribution'] = attribution
                    554:                 #docinfo = self.getDocinfoFromAccess(docinfo, access)
                    555: 
                    556:             # copyright info
                    557:             copyright = self.metadataService.getCopyrightData(dom=metaDom)
                    558:             if copyright:
                    559:                 logging.debug("getDocinfo: copyright=%s"%repr(copyright))
                    560:                 docinfo['copyright'] = copyright
                    561:                 #docinfo = self.getDocinfoFromAccess(docinfo, access)
                    562: 
1.175.2.11  casties   563:         # image path
                    564:         if mode != 'texttool':
1.175.2.23  casties   565:             # override image path from texttool with url
1.175.2.12  casties   566:             docinfo['imagePath'] = url.replace('/mpiwg/online/', '', 1)
1.175.2.11  casties   567: 
                    568:         # number of images from digilib
                    569:         if docinfo.get('imagePath', None):
                    570:             docinfo['imageURL'] = self.digilibBaseUrl + "/servlet/Scaler?fn=" + docinfo['imagePath']
                    571:             docinfo = self.getDocinfoFromDigilib(docinfo, docinfo['imagePath'])
                    572: 
                    573:         logging.debug("documentViewer (getdocinfo) docinfo: keys=%s"%docinfo.keys())
                    574:         #logging.debug("documentViewer (getdocinfo) docinfo: %s"%docinfo)
                    575:         # store in session
                    576:         self.REQUEST.SESSION['docinfo'] = docinfo
                    577:         return docinfo
                    578: 
                    579:     def getDocinfoFromResource(self, docinfo, resource):
                    580:         """reads contents of resource element into docinfo"""
                    581:         docName = resource.get('name', None)
                    582:         docinfo['documentName'] = docName
                    583:         docPath = resource.get('archive-path', None)
                    584:         if docPath:
                    585:             # clean up document path
                    586:             if docPath[0] != '/':
                    587:                 docPath = '/' + docPath
                    588:                 
                    589:             if docName and (not docPath.endswith(docName)):
                    590:                 docPath += "/" + docName
                    591:             
                    592:         else:
                    593:             # use docUrl as docPath
                    594:             docUrl = docinfo['documentURL']
                    595:             if not docUrl.startswith('http:'):
                    596:                 docPath = docUrl
1.175.2.12  casties   597:         if docPath:
                    598:             # fix URLs starting with /mpiwg/online
                    599:             docPath = docPath.replace('/mpiwg/online', '', 1)
                    600: 
1.175.2.11  casties   601:         docinfo['documentPath'] = docPath
                    602:         return docinfo
                    603: 
                    604:     def getDocinfoFromTexttool(self, docinfo, texttool):
                    605:         """reads contents of texttool element into docinfo"""
                    606:         # image dir
                    607:         imageDir = texttool.get('image', None)
                    608:         docPath = docinfo.get('documentPath', None)
                    609:         if imageDir and docPath:
                    610:             #print "image: ", imageDir, " archivepath: ", archivePath
                    611:             imageDir = os.path.join(docPath, imageDir)
                    612:             imageDir = imageDir.replace('/mpiwg/online', '', 1)
                    613:             docinfo['imagePath'] = imageDir
                    614:         
                    615:         # old style text URL
                    616:         textUrl = texttool.get('text', None)
                    617:         if textUrl and docPath:
                    618:             if urlparse.urlparse(textUrl)[0] == "": #keine url
                    619:                 textUrl = os.path.join(docPath, textUrl) 
                    620:             
                    621:             docinfo['textURL'] = textUrl
                    622:     
                    623:         # new style text-url-path
                    624:         textUrl = texttool.get('text-url-path', None)
                    625:         if textUrl:
                    626:             docinfo['textURLPath'] = textUrl
1.175.2.15  casties   627:             
                    628:         # page flow
                    629:         docinfo['pageFlow'] = texttool.get('page-flow', 'ltr')
                    630:             
                    631:         # odd pages are left
1.175.2.22  casties   632:         docinfo['oddPage'] = texttool.get('odd-scan-position', 'left')
1.175.2.15  casties   633:             
1.175.2.16  casties   634:         # number of title page (0: not defined)
1.175.2.15  casties   635:         docinfo['titlePage'] = texttool.get('title-scan-no', 0)
1.175.2.11  casties   636:             
                    637:         # old presentation stuff
                    638:         presentation = texttool.get('presentation', None)
                    639:         if presentation and docPath:
1.175.2.12  casties   640:             if presentation.startswith('http:'):
                    641:                 docinfo['presentationUrl'] = presentation
                    642:             else:
                    643:                 docinfo['presentationUrl'] = os.path.join(docPath, presentation)
1.175.2.11  casties   644:             
1.175.2.15  casties   645:         
1.175.2.11  casties   646:         return docinfo
                    647: 
                    648:     def getDocinfoFromBib(self, docinfo, bib):
                    649:         """reads contents of bib element into docinfo"""
1.175.2.12  casties   650:         logging.debug("getDocinfoFromBib bib=%s"%repr(bib))
1.175.2.11  casties   651:         # put all raw bib fields in dict "bib"
                    652:         docinfo['bib'] = bib
                    653:         bibtype = bib.get('@type', None)
                    654:         docinfo['bibType'] = bibtype
                    655:         # also store DC metadata for convenience
                    656:         dc = self.metadataService.getDCMappedData(bib)
                    657:         docinfo['creator'] = dc.get('creator',None)
                    658:         docinfo['title'] = dc.get('title',None)
                    659:         docinfo['date'] = dc.get('date',None)
                    660:         return docinfo
                    661:             
                    662:     def getDocinfoFromAccess(self, docinfo, acc):
                    663:         """reads contents of access element into docinfo"""
                    664:         #TODO: also read resource type
1.175.2.12  casties   665:         logging.debug("getDocinfoFromAccess acc=%s"%repr(acc))
1.175.2.11  casties   666:         try:
1.175.2.12  casties   667:             acctype = acc['@attr']['type']
1.175.2.11  casties   668:             if acctype:
                    669:                 access=acctype
                    670:                 if access in ['group', 'institution']:
                    671:                     access = acc['name'].lower()
                    672:                 
                    673:                 docinfo['accessType'] = access
                    674: 
                    675:         except:
                    676:             pass
                    677:         
                    678:         return docinfo
                    679: 
                    680:     def getDocinfoFromDigilib(self, docinfo, path):
                    681:         infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path
                    682:         # fetch data
                    683:         txt = getHttpData(infoUrl)
                    684:         if not txt:
                    685:             logging.error("Unable to get dir-info from %s"%(infoUrl))
                    686:             return docinfo
                    687: 
                    688:         dom = ET.fromstring(txt)
                    689:         size = getText(dom.find("size"))
                    690:         logging.debug("getDocinfoFromDigilib: size=%s"%size)
                    691:         if size:
                    692:             docinfo['numPages'] = int(size)
                    693:         else:
                    694:             docinfo['numPages'] = 0
                    695:             
                    696:         # TODO: produce and keep list of image names and numbers
                    697:         return docinfo
                    698:             
                    699:             
1.175.2.12  casties   700:     def getDocinfoFromPresentationInfoXml(self,docinfo):
                    701:         """gets DC-like bibliographical information from the presentation entry in texttools"""
                    702:         url = docinfo.get('presentationUrl', None)
                    703:         if not url:
                    704:             logging.error("getDocinfoFromPresentation: no URL!")
                    705:             return docinfo
                    706:         
                    707:         dom = None
                    708:         metaUrl = None
                    709:         if url.startswith("http://"):
                    710:             # real URL
                    711:             metaUrl = url
                    712:         else:
                    713:             # online path
                    714:             
                    715:             server=self.digilibBaseUrl+"/servlet/Texter?fn="
                    716:             metaUrl=server+url
                    717:         
                    718:         txt=getHttpData(metaUrl)
                    719:         if txt is None:
                    720:             logging.error("Unable to read info.xml from %s"%(url))
                    721:             return docinfo
                    722:             
                    723:         dom = ET.fromstring(txt)
                    724:         docinfo['creator']=getText(dom.find(".//author"))
                    725:         docinfo['title']=getText(dom.find(".//title"))
                    726:         docinfo['date']=getText(dom.find(".//date"))
                    727:         return docinfo
                    728:     
                    729: 
1.175.2.24  casties   730:     def getPageinfo(self, current=None, start=None, rows=None, cols=None, docinfo=None, viewMode=None, viewType=None, tocMode=None):
1.3       casties   731:         """returns pageinfo with the given parameters"""
1.175.2.24  casties   732:         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   733:         pageinfo = {}
1.175.2.17  casties   734:         pageinfo['viewMode'] = viewMode
                    735:         pageinfo['viewType'] = viewType
                    736:         pageinfo['tocMode'] = tocMode
                    737: 
1.4       casties   738:         current = getInt(current)
                    739:         pageinfo['current'] = current
1.175.2.26  casties   740:         pageinfo['pn'] = current
1.4       casties   741:         rows = int(rows or self.thumbrows)
                    742:         pageinfo['rows'] = rows
                    743:         cols = int(cols or self.thumbcols)
                    744:         pageinfo['cols'] = cols
                    745:         grpsize = cols * rows
                    746:         pageinfo['groupsize'] = grpsize
1.175.2.22  casties   747:         # is start is empty use one around current
1.28      casties   748:         start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1)))
                    749:         # int(current / grpsize) * grpsize +1))
1.3       casties   750:         pageinfo['start'] = start
1.175.2.26  casties   751:         
1.175.2.16  casties   752:         np = int(docinfo.get('numPages', 0))
                    753:         if np == 0:
                    754:             # numPages unknown - maybe we can get it from text page
                    755:             if docinfo.get('textURLPath', None):
                    756:                 # cache text page as well
1.175.2.26  casties   757:                 pageinfo['textPage'] = self.getTextPage(mode=viewType, pn=current, docinfo=docinfo, pageinfo=pageinfo)
1.175.2.16  casties   758:                 np = int(docinfo.get('numPages', 0))
                    759:                 
                    760:         pageinfo['numgroups'] = int(np / grpsize)
                    761:         if np % grpsize > 0:
                    762:             pageinfo['numgroups'] += 1
1.175.2.22  casties   763: 
                    764:         pageFlowLtr = docinfo.get('pageFlow', 'ltr') != 'rtl'
                    765:         oddScanLeft = docinfo.get('oddPage', 'left') != 'right'
                    766:         # add zeroth page for two columns
                    767:         pageZero = (cols == 2 and (pageFlowLtr != oddScanLeft))
                    768:         pageinfo['pageZero'] = pageZero
1.175.2.26  casties   769:         pageinfo['pageBatch'] = self.getPageBatch(start=start, rows=rows, cols=cols, pageFlowLtr=pageFlowLtr, pageZero=pageZero, minIdx=1, maxIdx=np)
1.175.2.7  casties   770:                 
1.175.2.26  casties   771:         # TODO: do we need this here?
1.161     abukhman  772:         pageinfo['characterNormalization'] = self.REQUEST.get('characterNormalization','reg')
1.156     abukhman  773:         pageinfo['query'] = self.REQUEST.get('query','') 
1.146     abukhman  774:         pageinfo['queryType'] = self.REQUEST.get('queryType','')
1.45      abukhman  775:         pageinfo['querySearch'] =self.REQUEST.get('querySearch', 'fulltext')
1.146     abukhman  776:         pageinfo['highlightQuery'] = self.REQUEST.get('highlightQuery','')
1.175.2.22  casties   777:         pageinfo['tocPageSize'] = getInt(self.REQUEST.get('tocPageSize', 30))
                    778:         pageinfo['queryPageSize'] = getInt(self.REQUEST.get('queryPageSize', 10))
                    779:         pageinfo['tocPN'] = getInt(self.REQUEST.get('tocPN', '1'))
                    780:         pageinfo['searchPN'] = getInt(self.REQUEST.get('searchPN','1'))
1.90      abukhman  781:         
1.175.2.22  casties   782:         # limit tocPN
1.48      abukhman  783:         if 'tocSize_%s'%tocMode in docinfo:
1.175.2.22  casties   784:             tocSize = docinfo['tocSize_%s'%tocMode]
                    785:             tocPageSize = pageinfo['tocPageSize']
1.69      abukhman  786:             # cached toc           
1.48      abukhman  787:             if tocSize%tocPageSize>0:
                    788:                 tocPages=tocSize/tocPageSize+1
                    789:             else:
                    790:                 tocPages=tocSize/tocPageSize
1.175.2.7  casties   791:                 
1.175.2.22  casties   792:             pageinfo['tocPN'] = min(tocPages,pageinfo['tocPN'])
1.175.2.7  casties   793:             
1.3       casties   794:         return pageinfo
1.175.2.7  casties   795: 
1.175.2.10  casties   796: 
1.175.2.27  casties   797:     def getPageBatch(self, start=1, rows=10, cols=2, pageFlowLtr=True, pageZero=False, minIdx=1, maxIdx=0):
1.175.2.26  casties   798:         """returns dict with array of page informations for one screenfull of thumbnails"""
1.175.2.27  casties   799:         batch = {}
1.175.2.26  casties   800:         grpsize = rows * cols
1.175.2.22  casties   801:         if maxIdx == 0:
1.175.2.26  casties   802:             maxIdx = start + grpsize
1.175.2.22  casties   803: 
1.175.2.27  casties   804:         nb = int(math.ceil(maxIdx / float(grpsize)))
                    805:         # list of all batch start and end points
                    806:         batches = []
                    807:         if pageZero:
                    808:             ofs = 0
                    809:         else:
                    810:             ofs = 1
                    811:             
                    812:         for i in range(nb):
                    813:             s = i * grpsize + ofs
                    814:             e = min((i + 1) * grpsize + ofs - 1, maxIdx)
                    815:             batches.append({'start':s, 'end':e})
                    816:             
                    817:         batch['batches'] = batches
                    818: 
1.175.2.22  casties   819:         pages = []
                    820:         if pageZero and start == 1:
                    821:             # correct beginning
                    822:             idx = 0
                    823:         else:
                    824:             idx = start
                    825:             
                    826:         for r in range(rows):
                    827:             row = []
                    828:             for c in range(cols):
                    829:                 if idx < minIdx or idx > maxIdx:
                    830:                     page = {'idx':None}
                    831:                 else:
                    832:                     page = {'idx':idx}
                    833:                     
                    834:                 idx += 1
                    835:                 if pageFlowLtr:
                    836:                     row.append(page)
                    837:                 else:
                    838:                     row.insert(0, page) 
                    839:                 
                    840:             pages.append(row)
                    841:             
1.175.2.26  casties   842:         if start > 1:
                    843:             batch['prevStart'] = max(start - grpsize, 1)
                    844:         else:
                    845:             batch['prevStart'] = None
                    846:             
                    847:         if start + grpsize < maxIdx:
                    848:             batch['nextStart'] = start + grpsize
                    849:         else:
                    850:             batch['nextStart'] = None
                    851: 
                    852:         batch['pages'] = pages
1.175.2.27  casties   853:         return batch
                    854:         
                    855:     def getBatch(self, start=1, size=10, end=0, data=None, fullData=True):
                    856:         """returns dict with information for one screenfull of data."""
                    857:         batch = {}
                    858:         if end == 0:
                    859:             end = start + size                    
                    860:             
                    861:         nb = int(math.ceil(end / float(size)))
                    862:         # list of all batch start and end points
                    863:         batches = []
                    864:         for i in range(nb):
                    865:             s = i * size + 1
                    866:             e = min((i + 1) * size, end)
                    867:             batches.append({'start':s, 'end':e})
                    868:             
                    869:         batch['batches'] = batches
                    870:         # list of elements in this batch
                    871:         this = []
                    872:         j = 0
                    873:         for i in range(start, min(start+size, end)):
                    874:             if data:
                    875:                 if fullData:
                    876:                     d = data[i]
                    877:                 else:
                    878:                     d = data[j]
                    879:                     j += 1
                    880:             
                    881:             else:
                    882:                 d = i+1
                    883:                 
                    884:             this.append(d)
                    885:             
                    886:         batch['this'] = this
                    887:         if start > 1:
                    888:             batch['prevStart'] = max(start - size, 1)
                    889:         else:
                    890:             batch['prevStart'] = None
                    891:             
                    892:         if start + size < end:
                    893:             batch['nextStart'] = start + size
                    894:         else:
                    895:             batch['nextStart'] = None
                    896:         
1.175.2.26  casties   897:         return batch
1.175.2.22  casties   898:         
                    899: 
1.175.2.10  casties   900:     security.declareProtected('View management screens','changeDocumentViewerForm')    
                    901:     changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())
1.3       casties   902:     
1.175.2.7  casties   903:     def changeDocumentViewer(self,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=5,authgroups='mpiwg',RESPONSE=None):
1.3       casties   904:         """init document viewer"""
                    905:         self.title=title
                    906:         self.digilibBaseUrl = digilibBaseUrl
1.4       casties   907:         self.thumbrows = thumbrows
                    908:         self.thumbcols = thumbcols
1.8       casties   909:         self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
1.175.2.10  casties   910:         try:
                    911:             # assume MetaDataFolder instance is called metadata 
                    912:             self.metadataService = getattr(self, 'metadata')
                    913:         except Exception, e:
                    914:             logging.error("Unable to find MetaDataFolder 'metadata': "+str(e))
                    915: 
1.3       casties   916:         if RESPONSE is not None:
                    917:             RESPONSE.redirect('manage_main')
1.1       dwinter   918:         
                    919: def manage_AddDocumentViewerForm(self):
                    920:     """add the viewer form"""
1.3       casties   921:     pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self)
1.1       dwinter   922:     return pt()
                    923:   
1.43      casties   924: def manage_AddDocumentViewer(self,id,imageScalerUrl="",textServerName="",title="",RESPONSE=None):
1.1       dwinter   925:     """add the viewer"""
1.43      casties   926:     newObj=documentViewer(id,imageScalerUrl=imageScalerUrl,title=title,textServerName=textServerName)
1.1       dwinter   927:     self._setObject(id,newObj)
                    928:     
                    929:     if RESPONSE is not None:
                    930:         RESPONSE.redirect('manage_main')

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