1:
2:
3: from OFS.Folder import Folder
4: from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
5: from Products.PageTemplates.PageTemplateFile import PageTemplateFile
6: from AccessControl import ClassSecurityInfo
7: from AccessControl import getSecurityManager
8: from Globals import package_home
9:
10: from Ft.Xml.Domlette import NonvalidatingReader
11: from Ft.Xml.Domlette import PrettyPrint, Print
12: from Ft.Xml import EMPTY_NAMESPACE, Parse
13:
14: import Ft.Xml.XPath
15:
16: import os.path
17: import sys
18: import cgi
19: import urllib
20: import logging
21: import math
22:
23: import urlparse
24:
25: def logger(txt,method,txt2):
26: """logging"""
27: logging.info(txt+ txt2)
28:
29:
30: def getInt(number, default=0):
31: """returns always an int (0 in case of problems)"""
32: try:
33: return int(number)
34: except:
35: return int(default)
36:
37: def getTextFromNode(nodename):
38: """get the cdata content of a node"""
39: if nodename is None:
40: return ""
41: nodelist=nodename.childNodes
42: rc = ""
43: for node in nodelist:
44: if node.nodeType == node.TEXT_NODE:
45: rc = rc + node.data
46: return rc
47:
48:
49: def getParentDir(path):
50: """returns pathname shortened by one"""
51: return '/'.join(path.split('/')[0:-1])
52:
53:
54: import socket
55:
56: def urlopen(url,timeout=2):
57: """urlopen mit timeout"""
58: socket.setdefaulttimeout(timeout)
59: ret=urllib.urlopen(url)
60: socket.setdefaulttimeout(5)
61: return ret
62:
63:
64: ##
65: ## documentViewer class
66: ##
67: class documentViewer(Folder):
68: """document viewer"""
69: #textViewerUrl="http://127.0.0.1:8080/HFQP/testXSLT/getPage?"
70:
71: meta_type="Document viewer"
72:
73: security=ClassSecurityInfo()
74: manage_options=Folder.manage_options+(
75: {'label':'main config','action':'changeDocumentViewerForm'},
76: )
77:
78: # templates and forms
79: viewer_main = PageTemplateFile('zpt/viewer_main', globals())
80: thumbs_main = PageTemplateFile('zpt/thumbs_main', globals())
81: image_main = PageTemplateFile('zpt/image_main', globals())
82: head_main = PageTemplateFile('zpt/head_main', globals())
83: docuviewer_css = PageTemplateFile('css/docuviewer.css', globals())
84: info_xml = PageTemplateFile('zpt/info_xml', globals())
85:
86: thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals())
87: security.declareProtected('View management screens','changeDocumentViewerForm')
88: changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())
89:
90:
91: def __init__(self,id,imageViewerUrl,textViewerUrl=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=10,authgroups="mpiwg"):
92: """init document viewer"""
93: self.id=id
94: self.title=title
95: self.imageViewerUrl=imageViewerUrl
96: self.textViewerUrl=textViewerUrl
97:
98: if not digilibBaseUrl:
99: self.digilibBaseUrl = self.findDigilibUrl()
100: else:
101: self.digilibBaseUrl = digilibBaseUrl
102: self.thumbcols = thumbcols
103: self.thumbrows = thumbrows
104: # authgroups is list of authorized groups (delimited by ,)
105: self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
106: # add template folder so we can always use template.something
107: self.manage_addFolder('template')
108:
109:
110: security.declareProtected('View','thumbs_rss')
111: def thumbs_rss(self,mode,url,viewMode="auto",start=None,pn=1):
112: '''
113: view it
114: @param mode: defines how to access the document behind url
115: @param url: url which contains display information
116: @param viewMode: if images display images, if text display text, default is images (text,images or auto)
117:
118: '''
119: logging.info("HHHHHHHHHHHHHH:load the rss")
120: logger("documentViewer (index)", logging.INFO, "mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
121:
122: if not hasattr(self, 'template'):
123: # create template folder if it doesn't exist
124: self.manage_addFolder('template')
125:
126: if not self.digilibBaseUrl:
127: self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
128:
129: docinfo = self.getDocinfo(mode=mode,url=url)
130: pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
131: pt = getattr(self.template, 'thumbs_main_rss')
132:
133: if viewMode=="auto": # automodus gewaehlt
134: if docinfo.get("textURL",'') and self.textViewerUrl: #texturl gesetzt und textViewer konfiguriert
135: viewMode="text"
136: else:
137: viewMode="images"
138:
139: return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)
140:
141: security.declareProtected('View','index_html')
142: def index_html(self,mode,url,viewMode="auto",start=None,pn=1):
143: '''
144: view it
145: @param mode: defines how to access the document behind url
146: @param url: url which contains display information
147: @param viewMode: if images display images, if text display text, default is images (text,images or auto)
148:
149: '''
150:
151: logger("documentViewer (index)", logging.INFO, "mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
152:
153: if not hasattr(self, 'template'):
154: # create template folder if it doesn't exist
155: self.manage_addFolder('template')
156:
157: if not self.digilibBaseUrl:
158: self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
159:
160: docinfo = self.getDocinfo(mode=mode,url=url)
161: pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
162: pt = getattr(self.template, 'viewer_main')
163:
164: if viewMode=="auto": # automodus gewaehlt
165: if docinfo.get("textURL",'') and self.textViewerUrl: #texturl gesetzt und textViewer konfiguriert
166: viewMode="text"
167: else:
168: viewMode="images"
169:
170: return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)
171:
172:
173: def getLink(self,param=None,val=None):
174: """link to documentviewer with parameter param set to val"""
175: params=self.REQUEST.form.copy()
176: if param is not None:
177: if val is None:
178: if params.has_key(param):
179: del params[param]
180: else:
181: params[param] = str(val)
182:
183: # quote values and assemble into query string
184: ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()])
185: url=self.REQUEST['URL1']+"?"+ps
186: return url
187:
188: def getLinkAmp(self,param=None,val=None):
189: """link to documentviewer with parameter param set to val"""
190: params=self.REQUEST.form.copy()
191: if param is not None:
192: if val is None:
193: if params.has_key(param):
194: del params[param]
195: else:
196: params[param] = str(val)
197:
198: # quote values and assemble into query string
199: logging.info("XYXXXXX: %s"%repr(params.items()))
200: ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()])
201: url=self.REQUEST['URL1']+"?"+ps
202: return url
203: def getInfo_xml(self,url,mode):
204: """returns info about the document as XML"""
205:
206: if not self.digilibBaseUrl:
207: self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
208:
209: docinfo = self.getDocinfo(mode=mode,url=url)
210: pt = getattr(self.template, 'info_xml')
211: return pt(docinfo=docinfo)
212:
213:
214: def getStyle(self, idx, selected, style=""):
215: """returns a string with the given style and append 'sel' if path == selected."""
216: #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))
217: if idx == selected:
218: return style + 'sel'
219: else:
220: return style
221:
222:
223: def isAccessible(self, docinfo):
224: """returns if access to the resource is granted"""
225: access = docinfo.get('accessType', None)
226: logger("documentViewer (accessOK)", logging.INFO, "access type %s"%access)
227: if access is not None and access == 'free':
228: logger("documentViewer (accessOK)", logging.INFO, "access is free")
229: return True
230: elif access is None or access in self.authgroups:
231: # only local access -- only logged in users
232: user = getSecurityManager().getUser()
233: if user is not None:
234: #print "user: ", user
235: return (user.getUserName() != "Anonymous User")
236: else:
237: return False
238:
239: logger("documentViewer (accessOK)", logging.INFO, "unknown access type %s"%access)
240: return False
241:
242:
243: def getDirinfoFromDigilib(self,path,docinfo=None):
244: """gibt param von dlInfo aus"""
245: num_retries = 3
246: if docinfo is None:
247: docinfo = {}
248:
249: infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path
250:
251: logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo from %s"%(infoUrl))
252:
253: for cnt in range(num_retries):
254: try:
255: # dom = NonvalidatingReader.parseUri(imageUrl)
256: txt=urllib.urlopen(infoUrl).read()
257: dom = Parse(txt)
258: break
259: except:
260: logger("documentViewer (getdirinfofromdigilib)", logging.ERROR, "error reading %s (try %d)"%(infoUrl,cnt))
261: else:
262: raise IOError("Unable to get dir-info from %s"%(infoUrl))
263:
264: sizes=dom.xpath("//dir/size")
265: logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo:size"%sizes)
266:
267: if sizes:
268: docinfo['numPages'] = int(getTextFromNode(sizes[0]))
269: else:
270: docinfo['numPages'] = 0
271:
272: return docinfo
273:
274:
275: def getIndexMeta(self, url):
276: """returns dom of index.meta document at url"""
277: num_retries = 3
278: dom = None
279: metaUrl = None
280: if url.startswith("http://"):
281: # real URL
282: metaUrl = url
283: else:
284: # online path
285: server=self.digilibBaseUrl+"/servlet/Texter?fn="
286: metaUrl=server+url.replace("/mpiwg/online","")
287: if not metaUrl.endswith("index.meta"):
288: metaUrl += "/index.meta"
289: print metaUrl
290: for cnt in range(num_retries):
291: try:
292: # patch dirk encoding fehler treten dann nicht mehr auf
293: # dom = NonvalidatingReader.parseUri(metaUrl)
294: txt=urllib.urlopen(metaUrl).read()
295: dom = Parse(txt)
296: break
297: except:
298: logger("ERROR documentViewer (getIndexMata)", logging.INFO,"%s (%s)"%sys.exc_info()[0:2])
299:
300: if dom is None:
301: raise IOError("Unable to read index meta from %s"%(url))
302:
303: return dom
304:
305: def getPresentationInfoXML(self, url):
306: """returns dom of info.xml document at url"""
307: num_retries = 3
308: dom = None
309: metaUrl = None
310: if url.startswith("http://"):
311: # real URL
312: metaUrl = url
313: else:
314: # online path
315: server=self.digilibBaseUrl+"/servlet/Texter?fn="
316: metaUrl=server+url.replace("/mpiwg/online","")
317:
318:
319: for cnt in range(num_retries):
320: try:
321: # patch dirk encoding fehler treten dann nicht mehr auf
322: # dom = NonvalidatingReader.parseUri(metaUrl)
323: txt=urllib.urlopen(metaUrl).read()
324: dom = Parse(txt)
325: break
326: except:
327: logger("ERROR documentViewer (getPresentationInfoXML)", logging.INFO,"%s (%s)"%sys.exc_info()[0:2])
328:
329: if dom is None:
330: raise IOError("Unable to read infoXMLfrom %s"%(url))
331:
332: return dom
333:
334:
335: def getAuthinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
336: """gets authorization info from the index.meta file at path or given by dom"""
337: logger("documentViewer (getauthinfofromindexmeta)", logging.INFO,"path: %s"%(path))
338:
339: access = None
340:
341: if docinfo is None:
342: docinfo = {}
343:
344: if dom is None:
345: for x in range(cut+1):
346: path=getParentDir(path)
347: dom = self.getIndexMeta(path)
348:
349: acctype = dom.xpath("//access-conditions/access/@type")
350: if acctype and (len(acctype)>0):
351: access=acctype[0].value
352: if access in ['group', 'institution']:
353: access = getTextFromNode(dom.xpath("//access-conditions/access/name")[0]).lower()
354:
355: docinfo['accessType'] = access
356: return docinfo
357:
358:
359: def getBibinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
360: """gets bibliographical info from the index.meta file at path or given by dom"""
361: logging.debug("documentViewer (getbibinfofromindexmeta) path: %s"%(path))
362:
363: if docinfo is None:
364: docinfo = {}
365:
366: if dom is None:
367: for x in range(cut+1):
368: path=getParentDir(path)
369: dom = self.getIndexMeta(path)
370:
371: # put in all raw bib fields as dict "bib"
372: bib = dom.xpath("//bib/*")
373: if bib and len(bib)>0:
374: bibinfo = {}
375: for e in bib:
376: bibinfo[e.localName] = getTextFromNode(e)
377: docinfo['bib'] = bibinfo
378:
379: # extract some fields (author, title, year) according to their mapping
380: metaData=self.metadata.main.meta.bib
381: bibtype=dom.xpath("//bib/@type")
382: if bibtype and (len(bibtype)>0):
383: bibtype=bibtype[0].value
384: else:
385: bibtype="generic"
386:
387: bibtype=bibtype.replace("-"," ") # wrong typesiin index meta "-" instead of " " (not wrong! ROC)
388: docinfo['bib_type'] = bibtype
389: bibmap=metaData.generateMappingForType(bibtype)
390: # if there is no mapping bibmap is empty (mapping sometimes has empty fields)
391: if len(bibmap) > 0 and len(bibmap['author'][0]) > 0:
392: try:
393: docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['author'][0])[0])
394: except: pass
395: try:
396: docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['title'][0])[0])
397: except: pass
398: try:
399: docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['year'][0])[0])
400: except: pass
401: logging.debug("documentViewer (getbibinfofromindexmeta) using mapping for %s"%bibtype)
402: try:
403: docinfo['lang']=getTextFromNode(dom.xpath("//bib/lang")[0])
404: except:
405: docinfo['lang']=''
406:
407: return docinfo
408:
409:
410: def getDocinfoFromTextTool(self,url,dom=None,docinfo=None):
411: """parse texttool tag in index meta"""
412: logger("documentViewer (getdocinfofromtexttool)", logging.INFO,"url: %s"%(url))
413: if docinfo is None:
414: docinfo = {}
415:
416: if docinfo.get('lang',None) is None:
417: docinfo['lang']='' # default keine Sprache gesetzt
418: if dom is None:
419: dom = self.getIndexMeta(url)
420:
421: archivePath = None
422: archiveName = None
423:
424: archiveNames=dom.xpath("//resource/name")
425: if archiveNames and (len(archiveNames)>0):
426: archiveName=getTextFromNode(archiveNames[0])
427: else:
428: logger("documentViewer (getdocinfofromtexttool)", logging.WARNING,"resource/name missing in: %s"%(url))
429:
430: archivePaths=dom.xpath("//resource/archive-path")
431: if archivePaths and (len(archivePaths)>0):
432: archivePath=getTextFromNode(archivePaths[0])
433: # clean up archive path
434: if archivePath[0] != '/':
435: archivePath = '/' + archivePath
436: if archiveName and (not archivePath.endswith(archiveName)):
437: archivePath += "/" + archiveName
438: else:
439: # try to get archive-path from url
440: logger("documentViewer (getdocinfofromtexttool)", logging.WARNING,"resource/archive-path missing in: %s"%(url))
441: if (not url.startswith('http')):
442: archivePath = url.replace('index.meta', '')
443:
444: if archivePath is None:
445: # we balk without archive-path
446: raise IOError("Missing archive-path (for text-tool) in %s"%(url))
447:
448: imageDirs=dom.xpath("//texttool/image")
449: if imageDirs and (len(imageDirs)>0):
450: imageDir=getTextFromNode(imageDirs[0])
451: else:
452: # we balk with no image tag / not necessary anymore because textmode is now standard
453: #raise IOError("No text-tool info in %s"%(url))
454: imageDir=""
455: docinfo['numPages']=1 # im moment einfach auf eins setzen, navigation ueber die thumbs geht natuerlich nicht
456:
457: docinfo['imagePath'] = "" # keine Bilder
458: docinfo['imageURL'] = ""
459:
460: if imageDir and archivePath:
461: #print "image: ", imageDir, " archivepath: ", archivePath
462: imageDir=os.path.join(archivePath,imageDir)
463: imageDir=imageDir.replace("/mpiwg/online",'')
464: docinfo=self.getDirinfoFromDigilib(imageDir,docinfo=docinfo)
465: docinfo['imagePath'] = imageDir
466: docinfo['imageURL'] = self.digilibBaseUrl+"/servlet/Scaler?fn="+imageDir
467:
468: viewerUrls=dom.xpath("//texttool/digiliburlprefix")
469: if viewerUrls and (len(viewerUrls)>0):
470: viewerUrl=getTextFromNode(viewerUrls[0])
471: docinfo['viewerURL'] = viewerUrl
472:
473: textUrls=dom.xpath("//texttool/text")
474: if textUrls and (len(textUrls)>0):
475: textUrl=getTextFromNode(textUrls[0])
476: if urlparse.urlparse(textUrl)[0]=="": #keine url
477: textUrl=os.path.join(archivePath,textUrl)
478: # fix URLs starting with /mpiwg/online
479: if textUrl.startswith("/mpiwg/online"):
480: textUrl = textUrl.replace("/mpiwg/online",'',1)
481:
482: docinfo['textURL'] = textUrl
483:
484: presentationUrls=dom.xpath("//texttool/presentation")
485: docinfo = self.getBibinfoFromIndexMeta(url,docinfo=docinfo,dom=dom) # get info von bib tag
486:
487: if presentationUrls and (len(presentationUrls)>0): # ueberschreibe diese durch presentation informationen
488: # presentation url ergiebt sich ersetzen von index.meta in der url der fuer die Metadaten
489: # durch den relativen Pfad auf die presentation infos
490: presentationUrl=url.replace('index.meta',getTextFromNode(presentationUrls[0]))
491: docinfo = self.getBibinfoFromTextToolPresentation(presentationUrl,docinfo=docinfo,dom=dom)
492:
493: docinfo = self.getAuthinfoFromIndexMeta(url,docinfo=docinfo,dom=dom) # get access info
494: return docinfo
495:
496:
497: def getBibinfoFromTextToolPresentation(self,url,docinfo=None,dom=None):
498: """gets the bibliographical information from the preseantion entry in texttools
499: """
500: dom=self.getPresentationInfoXML(url)
501: try:
502: docinfo['author']=getTextFromNode(dom.xpath("//author")[0])
503: except:
504: pass
505: try:
506: docinfo['title']=getTextFromNode(dom.xpath("//title")[0])
507: except:
508: pass
509: try:
510: docinfo['year']=getTextFromNode(dom.xpath("//date")[0])
511: except:
512: pass
513: return docinfo
514:
515: def getDocinfoFromImagePath(self,path,docinfo=None,cut=0):
516: """path ist the path to the images it assumes that the index.meta file is one level higher."""
517: logger("documentViewer (getdocinfofromimagepath)", logging.INFO,"path: %s"%(path))
518: if docinfo is None:
519: docinfo = {}
520: path=path.replace("/mpiwg/online","")
521: docinfo['imagePath'] = path
522: docinfo=self.getDirinfoFromDigilib(path,docinfo=docinfo)
523: imageUrl=self.digilibBaseUrl+"/servlet/Scaler?fn="+path
524: docinfo['imageURL'] = imageUrl
525:
526: docinfo = self.getBibinfoFromIndexMeta(path,docinfo=docinfo,cut=cut)
527: docinfo = self.getAuthinfoFromIndexMeta(path,docinfo=docinfo,cut=cut)
528: return docinfo
529:
530:
531: def getDocinfo(self, mode, url):
532: """returns docinfo depending on mode"""
533: logger("documentViewer (getdocinfo)", logging.INFO,"mode: %s, url: %s"%(mode,url))
534: # look for cached docinfo in session
535: if self.REQUEST.SESSION.has_key('docinfo'):
536: docinfo = self.REQUEST.SESSION['docinfo']
537: # check if its still current
538: if docinfo is not None and docinfo.get('mode') == mode and docinfo.get('url') == url:
539: logger("documentViewer (getdocinfo)", logging.INFO,"docinfo in session: %s"%docinfo)
540: return docinfo
541: # new docinfo
542: docinfo = {'mode': mode, 'url': url}
543: if mode=="texttool": #index.meta with texttool information
544: docinfo = self.getDocinfoFromTextTool(url, docinfo=docinfo)
545: elif mode=="imagepath":
546: docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo)
547: elif mode=="filepath":
548: docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo,cut=2)
549: else:
550: logger("documentViewer (getdocinfo)", logging.ERROR,"unknown mode!")
551: raise ValueError("Unknown mode %s"%(mode))
552:
553: logger("documentViewer (getdocinfo)", logging.INFO,"docinfo: %s"%docinfo)
554: self.REQUEST.SESSION['docinfo'] = docinfo
555: return docinfo
556:
557:
558: def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None):
559: """returns pageinfo with the given parameters"""
560: pageinfo = {}
561: current = getInt(current)
562: pageinfo['current'] = current
563: rows = int(rows or self.thumbrows)
564: pageinfo['rows'] = rows
565: cols = int(cols or self.thumbcols)
566: pageinfo['cols'] = cols
567: grpsize = cols * rows
568: pageinfo['groupsize'] = grpsize
569: start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1)))
570: # int(current / grpsize) * grpsize +1))
571: pageinfo['start'] = start
572: pageinfo['end'] = start + grpsize
573: if docinfo is not None:
574: np = int(docinfo['numPages'])
575: pageinfo['end'] = min(pageinfo['end'], np)
576: pageinfo['numgroups'] = int(np / grpsize)
577: if np % grpsize > 0:
578: pageinfo['numgroups'] += 1
579:
580: return pageinfo
581:
582: def text(self,mode,url,pn):
583: """give text"""
584: if mode=="texttool": #index.meta with texttool information
585: (viewerUrl,imagepath,textpath)=parseUrlTextTool(url)
586:
587: #print textpath
588: try:
589: dom = NonvalidatingReader.parseUri(textpath)
590: except:
591: return None
592:
593: list=[]
594: nodes=dom.xpath("//pb")
595:
596: node=nodes[int(pn)-1]
597:
598: p=node
599:
600: while p.tagName!="p":
601: p=p.parentNode
602:
603:
604: endNode=nodes[int(pn)]
605:
606:
607: e=endNode
608:
609: while e.tagName!="p":
610: e=e.parentNode
611:
612:
613: next=node.parentNode
614:
615: #sammle s
616: while next and (next!=endNode.parentNode):
617: list.append(next)
618: next=next.nextSibling
619: list.append(endNode.parentNode)
620:
621: if p==e:# beide im selben paragraphen
622: pass
623: # else:
624: # next=p
625: # while next!=e:
626: # print next,e
627: # list.append(next)
628: # next=next.nextSibling
629: #
630: # for x in list:
631: # PrettyPrint(x)
632: #
633: # return list
634: #
635:
636: def findDigilibUrl(self):
637: """try to get the digilib URL from zogilib"""
638: url = self.imageViewerUrl[:-1] + "/getScalerUrl"
639: #print urlparse.urlparse(url)[0]
640: #print urlparse.urljoin(self.absolute_url(),url)
641: logging.info("finddigiliburl: %s"%urlparse.urlparse(url)[0])
642: logging.info("finddigiliburl: %s"%urlparse.urljoin(self.absolute_url(),url))
643:
644: try:
645: if urlparse.urlparse(url)[0]=='': #relative path
646: url=urlparse.urljoin(self.absolute_url()+"/",url)
647:
648: scaler = urlopen(url).read()
649: return scaler.replace("/servlet/Scaler?", "")
650: except:
651: return None
652:
653: def changeDocumentViewer(self,imageViewerUrl,textViewerUrl,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=10,authgroups='mpiwg',RESPONSE=None):
654: """init document viewer"""
655: self.title=title
656: self.imageViewerUrl=imageViewerUrl
657: self.textViewerUrl=textViewerUrl
658: self.digilibBaseUrl = digilibBaseUrl
659: self.thumbrows = thumbrows
660: self.thumbcols = thumbcols
661: self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
662: if RESPONSE is not None:
663: RESPONSE.redirect('manage_main')
664:
665:
666:
667:
668: # security.declareProtected('View management screens','renameImageForm')
669:
670: def manage_AddDocumentViewerForm(self):
671: """add the viewer form"""
672: pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self)
673: return pt()
674:
675: def manage_AddDocumentViewer(self,id,imageViewerUrl="",textViewerUrl="",title="",RESPONSE=None):
676: """add the viewer"""
677: newObj=documentViewer(id,imageViewerUrl,title=title,textViewerUrl=textViewerUrl)
678: self._setObject(id,newObj)
679:
680: if RESPONSE is not None:
681: RESPONSE.redirect('manage_main')
682:
683:
684: ##
685: ## DocumentViewerTemplate class
686: ##
687: class DocumentViewerTemplate(ZopePageTemplate):
688: """Template for document viewer"""
689: meta_type="DocumentViewer Template"
690:
691:
692: def manage_addDocumentViewerTemplateForm(self):
693: """Form for adding"""
694: pt=PageTemplateFile('zpt/addDocumentViewerTemplate', globals()).__of__(self)
695: return pt()
696:
697: def manage_addDocumentViewerTemplate(self, id='viewer_main', title=None, text=None,
698: REQUEST=None, submit=None):
699: "Add a Page Template with optional file content."
700:
701: self._setObject(id, DocumentViewerTemplate(id))
702: ob = getattr(self, id)
703: txt=file(os.path.join(package_home(globals()),'zpt/viewer_main.zpt'),'r').read()
704: logging.info("txt %s:"%txt)
705: ob.pt_edit(txt,"text/html")
706: if title:
707: ob.pt_setTitle(title)
708: try:
709: u = self.DestinationURL()
710: except AttributeError:
711: u = REQUEST['URL1']
712:
713: u = "%s/%s" % (u, urllib.quote(id))
714: REQUEST.RESPONSE.redirect(u+'/manage_main')
715: return ''
716:
717:
718:
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