1:
2: from OFS.Folder import Folder
3: from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
4: from Products.PageTemplates.PageTemplateFile import PageTemplateFile
5: from AccessControl import ClassSecurityInfo
6: from AccessControl import getSecurityManager
7: from Globals import package_home
8:
9: from Ft.Xml.Domlette import NonvalidatingReader
10: from Ft.Xml.Domlette import PrettyPrint, Print
11: from Ft.Xml import EMPTY_NAMESPACE, Parse
12:
13:
14: import Ft.Xml.XPath
15: import cStringIO
16: import xmlrpclib
17: import os.path
18: import sys
19: import cgi
20: import urllib
21: import logging
22: import math
23:
24: import urlparse
25: from types import *
26:
27: def logger(txt,method,txt2):
28: """logging"""
29: logging.info(txt+ txt2)
30:
31:
32: def getInt(number, default=0):
33: """returns always an int (0 in case of problems)"""
34: try:
35: return int(number)
36: except:
37: return int(default)
38:
39: def getTextFromNode(nodename):
40: """get the cdata content of a node"""
41: if nodename is None:
42: return ""
43: nodelist=nodename.childNodes
44: rc = ""
45: for node in nodelist:
46: if node.nodeType == node.TEXT_NODE:
47: rc = rc + node.data
48: return rc
49:
50: def serializeNode(node, encoding='utf-8'):
51: """returns a string containing node as XML"""
52: buf = cStringIO.StringIO()
53: Print(node, stream=buf, encoding=encoding)
54: s = buf.getvalue()
55: buf.close()
56: return s
57:
58:
59: def getParentDir(path):
60: """returns pathname shortened by one"""
61: return '/'.join(path.split('/')[0:-1])
62:
63:
64: import socket
65:
66: def urlopen(url,timeout=2):
67: """urlopen mit timeout"""
68: socket.setdefaulttimeout(timeout)
69: ret=urllib.urlopen(url)
70: socket.setdefaulttimeout(5)
71: return ret
72:
73:
74: ##
75: ## documentViewer class
76: ##
77: class documentViewer(Folder):
78: """document viewer"""
79: #textViewerUrl="http://127.0.0.1:8080/HFQP/testXSLT/getPage?"
80:
81: meta_type="Document viewer"
82:
83: security=ClassSecurityInfo()
84: manage_options=Folder.manage_options+(
85: {'label':'main config','action':'changeDocumentViewerForm'},
86: )
87:
88: # templates and forms
89: viewer_main = PageTemplateFile('zpt/viewer_main', globals())
90: toc_thumbs = PageTemplateFile('zpt/toc_thumbs', globals())
91: toc_text = PageTemplateFile('zpt/toc_text', globals())
92: toc_figures = PageTemplateFile('zpt/toc_figures', globals())
93: page_main_images = PageTemplateFile('zpt/page_main_images', globals())
94: page_main_text = PageTemplateFile('zpt/page_main_text', globals())
95: page_main_text_dict = PageTemplateFile('zpt/page_main_text_dict', globals())
96: head_main = PageTemplateFile('zpt/head_main', globals())
97: docuviewer_css = PageTemplateFile('css/docuviewer.css', globals())
98: info_xml = PageTemplateFile('zpt/info_xml', globals())
99:
100: thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals())
101: security.declareProtected('View management screens','changeDocumentViewerForm')
102: changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())
103:
104:
105: def __init__(self,id,imageScalerUrl=None,textServerName=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=5,authgroups="mpiwg"):
106: """init document viewer"""
107: self.id=id
108: self.title=title
109: self.thumbcols = thumbcols
110: self.thumbrows = thumbrows
111: # authgroups is list of authorized groups (delimited by ,)
112: self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
113: # create template folder so we can always use template.something
114:
115: templateFolder = Folder('template')
116: #self['template'] = templateFolder # Zope-2.12 style
117: self._setObject('template',templateFolder) # old style
118: try:
119: from Products.XMLRpcTools.XMLRpcTools import XMLRpcServerProxy
120: xmlRpcClient = XMLRpcServerProxy(id='fulltextclient', serverUrl=textServerName, use_xmlrpc=False)
121: #templateFolder['fulltextclient'] = xmlRpcClient
122: templateFolder._setObject('fulltextclient',xmlRpcClient)
123: except Exception, e:
124: logging.error("Unable to create XMLRpcTools for fulltextclient: "+str(e))
125: try:
126: from Products.zogiLib.zogiLib import zogiLib
127: zogilib = zogiLib(id="zogilib", title="zogilib for docuviewer", dlServerURL=imageScalerUrl, layout="book")
128: #templateFolder['zogilib'] = zogilib
129: templateFolder._setObject('zogilib',zogilib)
130: except Exception, e:
131: logging.error("Unable to create zogiLib for zogilib: "+str(e))
132:
133:
134: security.declareProtected('View','thumbs_rss')
135: def thumbs_rss(self,mode,url,viewMode="auto",start=None,pn=1):
136: '''
137: view it
138: @param mode: defines how to access the document behind url
139: @param url: url which contains display information
140: @param viewMode: if images display images, if text display text, default is images (text,images or auto)
141:
142: '''
143: logging.debug("HHHHHHHHHHHHHH:load the rss")
144: logger("documentViewer (index)", logging.INFO, "mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
145:
146: if not hasattr(self, 'template'):
147: # create template folder if it doesn't exist
148: self.manage_addFolder('template')
149:
150: if not self.digilibBaseUrl:
151: self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
152:
153: docinfo = self.getDocinfo(mode=mode,url=url)
154: pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
155: pt = getattr(self.template, 'thumbs_main_rss')
156:
157: if viewMode=="auto": # automodus gewaehlt
158: if docinfo.get("textURL",'') and self.textViewerUrl: #texturl gesetzt und textViewer konfiguriert
159: viewMode="text"
160: else:
161: viewMode="images"
162:
163: return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)
164:
165: security.declareProtected('View','index_html')
166: def index_html(self,url,mode="texttool",viewMode="auto",tocMode="thumbs",start=None,pn=1,mk=None, query=None, querySearch=None):
167: '''
168: view it
169: @param mode: defines how to access the document behind url
170: @param url: url which contains display information
171: @param viewMode: if images display images, if text display text, default is auto (text,images or auto)
172: @param tocMode: type of 'table of contents' for navigation (thumbs, text, figures, search)
173: @param querySearch: type of different search modes (fulltext, fulltextMorph, xpath, xquery, ftIndex, ftIndexMorph)
174: '''
175:
176: logging.debug("documentViewer (index) mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
177:
178: if not hasattr(self, 'template'):
179: # this won't work
180: logging.error("template folder missing!")
181: return "ERROR: template folder missing!"
182:
183: if not getattr(self, 'digilibBaseUrl', None):
184: self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
185:
186: docinfo = self.getDocinfo(mode=mode,url=url)
187: pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo,viewMode=viewMode,tocMode=tocMode)
188: if tocMode != "thumbs":
189: # get table of contents
190: docinfo = self.getToc(mode=tocMode, docinfo=docinfo)
191:
192: if viewMode=="auto": # automodus gewaehlt
193: if docinfo.get("textURL",''): #texturl gesetzt und textViewer konfiguriert
194: viewMode="text"
195: else:
196: viewMode="images"
197:
198: pt = getattr(self.template, 'viewer_main')
199: return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode,mk=self.generateMarks(mk))
200:
201: def generateMarks(self,mk):
202: ret=""
203: if mk is None:
204: return ""
205: if type(mk) is not ListType:
206: mk=[mk]
207: for m in mk:
208: ret+="mk=%s"%m
209: return ret
210:
211:
212: def findDigilibUrl(self):
213: """try to get the digilib URL from zogilib"""
214: url = self.template.zogilib.getDLBaseUrl()
215: return url
216:
217: def getStyle(self, idx, selected, style=""):
218: """returns a string with the given style and append 'sel' if path == selected."""
219: #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))
220: if idx == selected:
221: return style + 'sel'
222: else:
223: return style
224:
225: def getLink(self,param=None,val=None):
226: """link to documentviewer with parameter param set to val"""
227: params=self.REQUEST.form.copy()
228: if param is not None:
229: if val is None:
230: if params.has_key(param):
231: del params[param]
232: else:
233: params[param] = str(val)
234:
235: if params.get("mode", None) == "filepath": #wenn beim erst Aufruf filepath gesetzt wurde aendere das nun zu imagepath
236: params["mode"] = "imagepath"
237: params["url"] = getParentDir(params["url"])
238:
239: # quote values and assemble into query string
240: ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()])
241: url=self.REQUEST['URL1']+"?"+ps
242: return url
243:
244: def getLinkAmp(self,param=None,val=None):
245: """link to documentviewer with parameter param set to val"""
246: params=self.REQUEST.form.copy()
247: if param is not None:
248: if val is None:
249: if params.has_key(param):
250: del params[param]
251: else:
252: params[param] = str(val)
253:
254: # quote values and assemble into query string
255: logging.info("XYXXXXX: %s"%repr(params.items()))
256: ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()])
257: url=self.REQUEST['URL1']+"?"+ps
258: return url
259:
260: def getInfo_xml(self,url,mode):
261: """returns info about the document as XML"""
262:
263: if not self.digilibBaseUrl:
264: self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
265:
266: docinfo = self.getDocinfo(mode=mode,url=url)
267: pt = getattr(self.template, 'info_xml')
268: return pt(docinfo=docinfo)
269:
270:
271: def isAccessible(self, docinfo):
272: """returns if access to the resource is granted"""
273: access = docinfo.get('accessType', None)
274: logger("documentViewer (accessOK)", logging.INFO, "access type %s"%access)
275: if access is not None and access == 'free':
276: logger("documentViewer (accessOK)", logging.INFO, "access is free")
277: return True
278: elif access is None or access in self.authgroups:
279: # only local access -- only logged in users
280: user = getSecurityManager().getUser()
281: if user is not None:
282: #print "user: ", user
283: return (user.getUserName() != "Anonymous User")
284: else:
285: return False
286:
287: logger("documentViewer (accessOK)", logging.INFO, "unknown access type %s"%access)
288: return False
289:
290:
291: def getDirinfoFromDigilib(self,path,docinfo=None,cut=0):
292: """gibt param von dlInfo aus"""
293: num_retries = 3
294: if docinfo is None:
295: docinfo = {}
296:
297: for x in range(cut):
298:
299: path=getParentDir(path)
300:
301: infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path
302:
303: logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo from %s"%(infoUrl))
304:
305: for cnt in range(num_retries):
306: try:
307: # dom = NonvalidatingReader.parseUri(imageUrl)
308: txt=urllib.urlopen(infoUrl).read()
309: dom = Parse(txt)
310: break
311: except:
312: logger("documentViewer (getdirinfofromdigilib)", logging.ERROR, "error reading %s (try %d)"%(infoUrl,cnt))
313: else:
314: raise IOError("Unable to get dir-info from %s"%(infoUrl))
315:
316: sizes=dom.xpath("//dir/size")
317: logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo:size"%sizes)
318:
319: if sizes:
320: docinfo['numPages'] = int(getTextFromNode(sizes[0]))
321: else:
322: docinfo['numPages'] = 0
323:
324: # TODO: produce and keep list of image names and numbers
325:
326: return docinfo
327:
328:
329: def getIndexMeta(self, url):
330: """returns dom of index.meta document at url"""
331: num_retries = 3
332: dom = None
333: metaUrl = None
334: if url.startswith("http://"):
335: # real URL
336: metaUrl = url
337: else:
338: # online path
339: server=self.digilibBaseUrl+"/servlet/Texter?fn="
340: metaUrl=server+url.replace("/mpiwg/online","")
341: if not metaUrl.endswith("index.meta"):
342: metaUrl += "/index.meta"
343: logging.debug("METAURL: %s"%metaUrl)
344: for cnt in range(num_retries):
345: try:
346: # patch dirk encoding fehler treten dann nicht mehr auf
347: # dom = NonvalidatingReader.parseUri(metaUrl)
348: txt=urllib.urlopen(metaUrl).read()
349: dom = Parse(txt)
350: break
351: except:
352: logger("ERROR documentViewer (getIndexMeta)", logging.INFO,"%s (%s)"%sys.exc_info()[0:2])
353:
354: if dom is None:
355: raise IOError("Unable to read index meta from %s"%(url))
356:
357: return dom
358:
359: def getPresentationInfoXML(self, url):
360: """returns dom of info.xml document at url"""
361: num_retries = 3
362: dom = None
363: metaUrl = None
364: if url.startswith("http://"):
365: # real URL
366: metaUrl = url
367: else:
368: # online path
369: server=self.digilibBaseUrl+"/servlet/Texter?fn="
370: metaUrl=server+url.replace("/mpiwg/online","")
371:
372: for cnt in range(num_retries):
373: try:
374: # patch dirk encoding fehler treten dann nicht mehr auf
375: # dom = NonvalidatingReader.parseUri(metaUrl)
376: txt=urllib.urlopen(metaUrl).read()
377: dom = Parse(txt)
378: break
379: except:
380: logger("ERROR documentViewer (getPresentationInfoXML)", logging.INFO,"%s (%s)"%sys.exc_info()[0:2])
381:
382: if dom is None:
383: raise IOError("Unable to read infoXMLfrom %s"%(url))
384:
385: return dom
386:
387:
388: def getAuthinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
389: """gets authorization info from the index.meta file at path or given by dom"""
390: logger("documentViewer (getauthinfofromindexmeta)", logging.INFO,"path: %s"%(path))
391:
392: access = None
393:
394: if docinfo is None:
395: docinfo = {}
396:
397: if dom is None:
398: for x in range(cut):
399: path=getParentDir(path)
400: dom = self.getIndexMeta(path)
401:
402: acctype = dom.xpath("//access-conditions/access/@type")
403: if acctype and (len(acctype)>0):
404: access=acctype[0].value
405: if access in ['group', 'institution']:
406: access = getTextFromNode(dom.xpath("//access-conditions/access/name")[0]).lower()
407:
408: docinfo['accessType'] = access
409: return docinfo
410:
411:
412: def getBibinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
413: """gets bibliographical info from the index.meta file at path or given by dom"""
414: logging.debug("documentViewer (getbibinfofromindexmeta) path: %s"%(path))
415:
416: if docinfo is None:
417: docinfo = {}
418:
419: if dom is None:
420: for x in range(cut):
421: path=getParentDir(path)
422: dom = self.getIndexMeta(path)
423:
424: logging.debug("documentViewer (getbibinfofromindexmeta cutted) path: %s"%(path))
425: # put in all raw bib fields as dict "bib"
426: bib = dom.xpath("//bib/*")
427: if bib and len(bib)>0:
428: bibinfo = {}
429: for e in bib:
430: bibinfo[e.localName] = getTextFromNode(e)
431: docinfo['bib'] = bibinfo
432:
433: # extract some fields (author, title, year) according to their mapping
434: metaData=self.metadata.main.meta.bib
435: bibtype=dom.xpath("//bib/@type")
436: if bibtype and (len(bibtype)>0):
437: bibtype=bibtype[0].value
438: else:
439: bibtype="generic"
440:
441: bibtype=bibtype.replace("-"," ") # wrong typesiin index meta "-" instead of " " (not wrong! ROC)
442: docinfo['bib_type'] = bibtype
443: bibmap=metaData.generateMappingForType(bibtype)
444: # if there is no mapping bibmap is empty (mapping sometimes has empty fields)
445: if len(bibmap) > 0 and len(bibmap['author'][0]) > 0:
446: try:
447: docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['author'][0])[0])
448: except: pass
449: try:
450: docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['title'][0])[0])
451: except: pass
452: try:
453: docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['year'][0])[0])
454: except: pass
455: logging.debug("documentViewer (getbibinfofromindexmeta) using mapping for %s"%bibtype)
456: try:
457: docinfo['lang']=getTextFromNode(dom.xpath("//bib/lang")[0])
458: except:
459: docinfo['lang']=''
460:
461: return docinfo
462:
463:
464: def getDocinfoFromTextTool(self, url, dom=None, docinfo=None):
465: """parse texttool tag in index meta"""
466: logger("documentViewer (getdocinfofromtexttool)", logging.INFO, "url: %s" % (url))
467: if docinfo is None:
468: docinfo = {}
469: if docinfo.get('lang', None) is None:
470: docinfo['lang'] = '' # default keine Sprache gesetzt
471: if dom is None:
472: dom = self.getIndexMeta(url)
473:
474: archivePath = None
475: archiveName = None
476:
477: archiveNames = dom.xpath("//resource/name")
478: if archiveNames and (len(archiveNames) > 0):
479: archiveName = getTextFromNode(archiveNames[0])
480: else:
481: logger("documentViewer (getdocinfofromtexttool)", logging.WARNING, "resource/name missing in: %s" % (url))
482:
483: archivePaths = dom.xpath("//resource/archive-path")
484: if archivePaths and (len(archivePaths) > 0):
485: archivePath = getTextFromNode(archivePaths[0])
486: # clean up archive path
487: if archivePath[0] != '/':
488: archivePath = '/' + archivePath
489: if archiveName and (not archivePath.endswith(archiveName)):
490: archivePath += "/" + archiveName
491: else:
492: # try to get archive-path from url
493: logger("documentViewer (getdocinfofromtexttool)", logging.WARNING, "resource/archive-path missing in: %s" % (url))
494: if (not url.startswith('http')):
495: archivePath = url.replace('index.meta', '')
496:
497: if archivePath is None:
498: # we balk without archive-path
499: raise IOError("Missing archive-path (for text-tool) in %s" % (url))
500:
501: imageDirs = dom.xpath("//texttool/image")
502: if imageDirs and (len(imageDirs) > 0):
503: imageDir = getTextFromNode(imageDirs[0])
504:
505: else:
506: # we balk with no image tag / not necessary anymore because textmode is now standard
507: #raise IOError("No text-tool info in %s"%(url))
508: imageDir = ""
509: #xquery="//pb"
510: docinfo['imagePath'] = "" # keine Bilder
511: docinfo['imageURL'] = ""
512:
513: if imageDir and archivePath:
514: #print "image: ", imageDir, " archivepath: ", archivePath
515: imageDir = os.path.join(archivePath, imageDir)
516: imageDir = imageDir.replace("/mpiwg/online", '')
517: docinfo = self.getDirinfoFromDigilib(imageDir, docinfo=docinfo)
518: docinfo['imagePath'] = imageDir
519:
520: docinfo['imageURL'] = self.digilibBaseUrl + "/servlet/Scaler?fn=" + imageDir
521:
522: viewerUrls = dom.xpath("//texttool/digiliburlprefix")
523: if viewerUrls and (len(viewerUrls) > 0):
524: viewerUrl = getTextFromNode(viewerUrls[0])
525: docinfo['viewerURL'] = viewerUrl
526:
527: textUrls = dom.xpath("//texttool/text")
528: if textUrls and (len(textUrls) > 0):
529: textUrl = getTextFromNode(textUrls[0])
530: if urlparse.urlparse(textUrl)[0] == "": #keine url
531: textUrl = os.path.join(archivePath, textUrl)
532: # fix URLs starting with /mpiwg/online
533: if textUrl.startswith("/mpiwg/online"):
534: textUrl = textUrl.replace("/mpiwg/online", '', 1)
535:
536: docinfo['textURL'] = textUrl
537:
538: textUrls = dom.xpath("//texttool/text-url-path")
539: if textUrls and (len(textUrls) > 0):
540: textUrl = getTextFromNode(textUrls[0])
541: docinfo['textURLPath'] = textUrl
542:
543: presentationUrls = dom.xpath("//texttool/presentation")
544: docinfo = self.getBibinfoFromIndexMeta(url, docinfo=docinfo, dom=dom) # get info von bib tag
545:
546: if presentationUrls and (len(presentationUrls) > 0): # ueberschreibe diese durch presentation informationen
547: # presentation url ergiebt sich ersetzen von index.meta in der url der fuer die Metadaten
548: # durch den relativen Pfad auf die presentation infos
549: presentationPath = getTextFromNode(presentationUrls[0])
550: if url.endswith("index.meta"):
551: presentationUrl = url.replace('index.meta', presentationPath)
552: else:
553: presentationUrl = url + "/" + presentationPath
554: docinfo = self.getNumPages(docinfo) #im moment einfach auf eins setzen, navigation ueber die thumbs geht natuerlich nicht
555: docinfo = self.getBibinfoFromTextToolPresentation(presentationUrl, docinfo=docinfo, dom=dom)
556:
557: docinfo = self.getAuthinfoFromIndexMeta(url, docinfo=docinfo, dom=dom) # get access info
558:
559: return docinfo
560:
561:
562: def getBibinfoFromTextToolPresentation(self,url,docinfo=None,dom=None):
563: """gets the bibliographical information from the preseantion entry in texttools
564: """
565: dom=self.getPresentationInfoXML(url)
566: try:
567: docinfo['author']=getTextFromNode(dom.xpath("//author")[0])
568: except:
569: pass
570: try:
571: docinfo['title']=getTextFromNode(dom.xpath("//title")[0])
572: except:
573: pass
574: try:
575: docinfo['year']=getTextFromNode(dom.xpath("//date")[0])
576: except:
577: pass
578: return docinfo
579:
580: def getDocinfoFromImagePath(self,path,docinfo=None,cut=0):
581: """path ist the path to the images it assumes that the index.meta file is one level higher."""
582: logger("documentViewer (getdocinfofromimagepath)", logging.INFO,"path: %s"%(path))
583: if docinfo is None:
584: docinfo = {}
585: path=path.replace("/mpiwg/online","")
586: docinfo['imagePath'] = path
587: docinfo=self.getDirinfoFromDigilib(path,docinfo=docinfo,cut=cut)
588:
589: pathorig=path
590: for x in range(cut):
591: path=getParentDir(path)
592: logging.error("PATH:"+path)
593: imageUrl=self.digilibBaseUrl+"/servlet/Scaler?fn="+path
594: docinfo['imageURL'] = imageUrl
595:
596: #path ist the path to the images it assumes that the index.meta file is one level higher.
597: docinfo = self.getBibinfoFromIndexMeta(pathorig,docinfo=docinfo,cut=cut+1)
598: docinfo = self.getAuthinfoFromIndexMeta(pathorig,docinfo=docinfo,cut=cut+1)
599: return docinfo
600:
601:
602: def getDocinfo(self, mode, url):
603: """returns docinfo depending on mode"""
604: logger("documentViewer (getdocinfo)", logging.INFO,"mode: %s, url: %s"%(mode,url))
605: # look for cached docinfo in session
606: if self.REQUEST.SESSION.has_key('docinfo'):
607: docinfo = self.REQUEST.SESSION['docinfo']
608: # check if its still current
609: if docinfo is not None and docinfo.get('mode') == mode and docinfo.get('url') == url:
610: logger("documentViewer (getdocinfo)", logging.INFO,"docinfo in session: %s"%docinfo)
611: return docinfo
612: # new docinfo
613: docinfo = {'mode': mode, 'url': url}
614: if mode=="texttool": #index.meta with texttool information
615: docinfo = self.getDocinfoFromTextTool(url, docinfo=docinfo)
616: elif mode=="imagepath":
617: docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo)
618: elif mode=="filepath":
619: docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo,cut=1)
620: else:
621: logger("documentViewer (getdocinfo)", logging.ERROR,"unknown mode!")
622: raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode))
623:
624: logger("documentViewer (getdocinfo)", logging.INFO,"docinfo: %s"%docinfo)
625: self.REQUEST.SESSION['docinfo'] = docinfo
626: return docinfo
627:
628:
629: def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None, viewMode=None, tocMode=None):
630: """returns pageinfo with the given parameters"""
631: pageinfo = {}
632: current = getInt(current)
633: pageinfo['current'] = current
634: rows = int(rows or self.thumbrows)
635: pageinfo['rows'] = rows
636: cols = int(cols or self.thumbcols)
637: pageinfo['cols'] = cols
638: grpsize = cols * rows
639: pageinfo['groupsize'] = grpsize
640: start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1)))
641: # int(current / grpsize) * grpsize +1))
642: pageinfo['start'] = start
643: pageinfo['end'] = start + grpsize
644: if (docinfo is not None) and ('numPages' in docinfo):
645: np = int(docinfo['numPages'])
646: pageinfo['end'] = min(pageinfo['end'], np)
647: pageinfo['numgroups'] = int(np / grpsize)
648: if np % grpsize > 0:
649: pageinfo['numgroups'] += 1
650:
651: pageinfo['viewMode'] = viewMode
652: pageinfo['tocMode'] = tocMode
653: pageinfo['query'] = self.REQUEST.get('query',' ')
654: pageinfo['queryType'] = self.REQUEST.get('queryType',' ')
655: pageinfo['querySearch'] =self.REQUEST.get('querySearch', 'fulltext')
656: pageinfo['tocPageSize'] = self.REQUEST.get('tocPageSize', '30')
657: pageinfo['queryPageSize'] =self.REQUEST.get('queryPageSize', '20')
658: pageinfo['tocPN'] = self.REQUEST.get('tocPN', '1')
659: pageinfo['searchPN'] =self.REQUEST.get('searchPN','1')
660: pageinfo['sn'] =self.REQUEST.get('sn','1')
661:
662: return pageinfo
663:
664: def getSearch(self, pn=1, pageinfo=None, docinfo=None, query=None, queryType=None):
665: """get search list"""
666: docpath = docinfo['textURLPath']
667: pagesize = pageinfo['queryPageSize']
668: pn = pageinfo['searchPN']
669: sn = pageinfo['sn']
670: query =pageinfo['query']
671: queryType =pageinfo['queryType']
672:
673: pagexml=self.template.fulltextclient.eval("/mpdl/interface/doc-query.xql","document=%s&mode=%s&queryType=%s&query=%s&queryResultPageSize=%s&queryResultPN=%s&sn=%s"%(docpath, 'text', queryType, query, pagesize, pn, sn) ,outputUnicode=False)
674: pagedom = Parse(pagexml)
675: #pagedivs = pagedom.xpath("//div[@class='queryResultPage']")
676:
677: return pagexml
678: #if len(pagedivs) > 0:
679: # pagenode = pagedom[0]
680: # return serializeNode(pagenode)
681: #else:
682: # return "xaxa"
683:
684: def getNumPages(self,docinfo=None):
685: """get list of pages from fulltext and put in docinfo"""
686: xquery = '//pb'
687: text = self.template.fulltextclient.eval("/mpdl/interface/xquery.xql", "document=%s&xquery=%s"%(docinfo['textURLPath'],xquery))
688: # TODO: better processing of the page list. do we need the info somewhere else also?
689: docinfo['numPages'] = text.count("<pb ")
690: return docinfo
691:
692: def getTextPage(self, mode="text", pn=1, docinfo=None):
693: """returns single page from fulltext"""
694: docpath = docinfo['textURLPath']
695: if mode == "text_dict":
696: textmode = "textPollux"
697: else:
698: textmode = mode
699:
700: pagexml=self.template.fulltextclient.eval("/mpdl/interface/page-fragment.xql", "document=%s&mode=%s&pn=%s"%(docpath,textmode,pn), outputUnicode=False)
701: #######
702: #textpython = pagexml.replace('page-fragment.xql?document=/echo/la/Benedetti_1585.xml','?url=/mpiwg/online/permanent/library/163127KK&tocMode='+str(tocMode)+'&queryResultPN='+str(queryResultPN)+'&viewMode='+str(viewMode))
703: #textnew =textpython.replace('mode=text','mode=texttool')
704: #######
705: # post-processing downloaded xml
706: pagedom = Parse(pagexml)
707: # plain text mode
708: if mode == "text":
709: # first div contains text
710: pagedivs = pagedom.xpath("/div")
711: #queryResultPage
712: if len(pagedivs) > 0:
713: pagenode = pagedivs[0]
714: return serializeNode(pagenode)
715:
716: # text-with-links mode
717: if mode == "text_dict":
718: # first div contains text
719: pagedivs = pagedom.xpath("/div")
720: if len(pagedivs) > 0:
721: pagenode = pagedivs[0]
722: # check all a-tags
723: links = pagenode.xpath("//a")
724: for l in links:
725: hrefNode = l.getAttributeNodeNS(None, u"href")
726: if hrefNode:
727: # is link with href
728: href = hrefNode.nodeValue
729: if href.startswith('lt/lex.xql'):
730: # is pollux link
731: selfurl = self.absolute_url()
732: # change href
733: hrefNode.nodeValue = href.replace('lt/lex.xql','%s/head_main_voc'%selfurl)
734: # add target
735: l.setAttributeNS(None, 'target', '_blank')
736: return serializeNode(pagenode)
737:
738: return "no text here"
739:
740: def getToc(self, mode="text", docinfo=None):
741: """loads table of contents and stores in docinfo"""
742: logging.debug("documentViewer (gettoc) mode: %s"%(mode))
743: if 'tocSize_%s'%mode in docinfo:
744: # cached toc
745: return docinfo
746:
747: docpath = docinfo['textURLPath']
748: # we need to set a result set size
749: pagesize = 1000
750: pn = 1
751: if mode == "text":
752: queryType = "toc"
753: else:
754: queryType = mode
755: # number of entries in toc
756: tocSize = 0
757: tocDiv = None
758: pagexml=self.template.fulltextclient.eval("/mpdl/interface/doc-query.xql", "document=%s&queryType=%s&queryResultPageSize=%s&queryResultPN=%s"%(docpath,queryType,pagesize,pn), outputUnicode=False)
759: # post-processing downloaded xml
760: pagedom = Parse(pagexml)
761: # get number of entries
762: numdivs = pagedom.xpath("//div[@class='queryResultHits']")
763: if len(numdivs) > 0:
764: tocSize = int(getTextFromNode(numdivs[0]))
765: # div contains text
766: #pagedivs = pagedom.xpath("//div[@class='queryResultPage']")
767: #if len(pagedivs) > 0:
768: # tocDiv = pagedivs[0]
769:
770: docinfo['tocSize_%s'%mode] = tocSize
771: #docinfo['tocDiv_%s'%mode] = tocDiv
772: return docinfo
773:
774: def getTocPage(self, mode="text", pn=1, pageinfo=None, docinfo=None):
775: """returns single page from the table of contents"""
776: # TODO: this should use the cached TOC
777: if mode == "text":
778: queryType = "toc"
779: else:
780: queryType = mode
781: docpath = docinfo['textURLPath']
782: pagesize = pageinfo['tocPageSize']
783: pn = pageinfo['tocPN']
784: pagexml=self.template.fulltextclient.eval("/mpdl/interface/doc-query.xql", "document=%s&queryType=%s&queryResultPageSize=%s&queryResultPN=%s"%(docpath,queryType, pagesize, pn), outputUnicode=False)
785: # post-processing downloaded xml
786: pagedom = Parse(pagexml)
787: # div contains text
788: pagedivs = pagedom.xpath("//div[@class='queryResultPage']")
789: if len(pagedivs) > 0:
790: pagenode = pagedivs[0]
791: return serializeNode(pagenode)
792: else:
793: return "No TOC!"
794:
795:
796: def changeDocumentViewer(self,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=5,authgroups='mpiwg',RESPONSE=None):
797: """init document viewer"""
798: self.title=title
799: self.digilibBaseUrl = digilibBaseUrl
800: self.thumbrows = thumbrows
801: self.thumbcols = thumbcols
802: self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
803: if RESPONSE is not None:
804: RESPONSE.redirect('manage_main')
805:
806:
807:
808: def manage_AddDocumentViewerForm(self):
809: """add the viewer form"""
810: pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self)
811: return pt()
812:
813: def manage_AddDocumentViewer(self,id,imageScalerUrl="",textServerName="",title="",RESPONSE=None):
814: """add the viewer"""
815: newObj=documentViewer(id,imageScalerUrl=imageScalerUrl,title=title,textServerName=textServerName)
816: self._setObject(id,newObj)
817:
818: if RESPONSE is not None:
819: RESPONSE.redirect('manage_main')
820:
821:
822: ##
823: ## DocumentViewerTemplate class
824: ##
825: class DocumentViewerTemplate(ZopePageTemplate):
826: """Template for document viewer"""
827: meta_type="DocumentViewer Template"
828:
829:
830: def manage_addDocumentViewerTemplateForm(self):
831: """Form for adding"""
832: pt=PageTemplateFile('zpt/addDocumentViewerTemplate', globals()).__of__(self)
833: return pt()
834:
835: def manage_addDocumentViewerTemplate(self, id='viewer_main', title=None, text=None,
836: REQUEST=None, submit=None):
837: "Add a Page Template with optional file content."
838:
839: self._setObject(id, DocumentViewerTemplate(id))
840: ob = getattr(self, id)
841: txt=file(os.path.join(package_home(globals()),'zpt/viewer_main.zpt'),'r').read()
842: logging.info("txt %s:"%txt)
843: ob.pt_edit(txt,"text/html")
844: if title:
845: ob.pt_setTitle(title)
846: try:
847: u = self.DestinationURL()
848: except AttributeError:
849: u = REQUEST['URL1']
850:
851: u = "%s/%s" % (u, urllib.quote(id))
852: REQUEST.RESPONSE.redirect(u+'/manage_main')
853: return ''
854:
855:
856:
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