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,mk=None):
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,marks=self.generateMarks(mk))
171:
172: def generateMarks(self,mk):
173: ret=""
174: for m in mk:
175: ret+="mk=%s"%mk
176: return ret
177:
178: def getLink(self,param=None,val=None):
179: """link to documentviewer with parameter param set to val"""
180: params=self.REQUEST.form.copy()
181: if param is not None:
182: if val is None:
183: if params.has_key(param):
184: del params[param]
185: else:
186: params[param] = str(val)
187:
188: # quote values and assemble into query string
189: ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()])
190: url=self.REQUEST['URL1']+"?"+ps
191: return url
192:
193: def getLinkAmp(self,param=None,val=None):
194: """link to documentviewer with parameter param set to val"""
195: params=self.REQUEST.form.copy()
196: if param is not None:
197: if val is None:
198: if params.has_key(param):
199: del params[param]
200: else:
201: params[param] = str(val)
202:
203: # quote values and assemble into query string
204: logging.info("XYXXXXX: %s"%repr(params.items()))
205: ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()])
206: url=self.REQUEST['URL1']+"?"+ps
207: return url
208: def getInfo_xml(self,url,mode):
209: """returns info about the document as XML"""
210:
211: if not self.digilibBaseUrl:
212: self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
213:
214: docinfo = self.getDocinfo(mode=mode,url=url)
215: pt = getattr(self.template, 'info_xml')
216: return pt(docinfo=docinfo)
217:
218:
219: def getStyle(self, idx, selected, style=""):
220: """returns a string with the given style and append 'sel' if path == selected."""
221: #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))
222: if idx == selected:
223: return style + 'sel'
224: else:
225: return style
226:
227:
228: def isAccessible(self, docinfo):
229: """returns if access to the resource is granted"""
230: access = docinfo.get('accessType', None)
231: logger("documentViewer (accessOK)", logging.INFO, "access type %s"%access)
232: if access is not None and access == 'free':
233: logger("documentViewer (accessOK)", logging.INFO, "access is free")
234: return True
235: elif access is None or access in self.authgroups:
236: # only local access -- only logged in users
237: user = getSecurityManager().getUser()
238: if user is not None:
239: #print "user: ", user
240: return (user.getUserName() != "Anonymous User")
241: else:
242: return False
243:
244: logger("documentViewer (accessOK)", logging.INFO, "unknown access type %s"%access)
245: return False
246:
247:
248: def getDirinfoFromDigilib(self,path,docinfo=None,cut=0):
249: """gibt param von dlInfo aus"""
250: num_retries = 3
251: if docinfo is None:
252: docinfo = {}
253:
254: for x in range(cut):
255: path=getParentDir(path)
256: infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path
257:
258: logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo from %s"%(infoUrl))
259:
260: for cnt in range(num_retries):
261: try:
262: # dom = NonvalidatingReader.parseUri(imageUrl)
263: txt=urllib.urlopen(infoUrl).read()
264: dom = Parse(txt)
265: break
266: except:
267: logger("documentViewer (getdirinfofromdigilib)", logging.ERROR, "error reading %s (try %d)"%(infoUrl,cnt))
268: else:
269: raise IOError("Unable to get dir-info from %s"%(infoUrl))
270:
271: sizes=dom.xpath("//dir/size")
272: logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo:size"%sizes)
273:
274: if sizes:
275: docinfo['numPages'] = int(getTextFromNode(sizes[0]))
276: else:
277: docinfo['numPages'] = 0
278:
279: return docinfo
280:
281:
282: def getIndexMeta(self, url):
283: """returns dom of index.meta document at url"""
284: num_retries = 3
285: dom = None
286: metaUrl = None
287: if url.startswith("http://"):
288: # real URL
289: metaUrl = url
290: else:
291: # online path
292: server=self.digilibBaseUrl+"/servlet/Texter?fn="
293: metaUrl=server+url.replace("/mpiwg/online","")
294: if not metaUrl.endswith("index.meta"):
295: metaUrl += "/index.meta"
296: print metaUrl
297: for cnt in range(num_retries):
298: try:
299: # patch dirk encoding fehler treten dann nicht mehr auf
300: # dom = NonvalidatingReader.parseUri(metaUrl)
301: txt=urllib.urlopen(metaUrl).read()
302: dom = Parse(txt)
303: break
304: except:
305: logger("ERROR documentViewer (getIndexMata)", logging.INFO,"%s (%s)"%sys.exc_info()[0:2])
306:
307: if dom is None:
308: raise IOError("Unable to read index meta from %s"%(url))
309:
310: return dom
311:
312: def getPresentationInfoXML(self, url):
313: """returns dom of info.xml document at url"""
314: num_retries = 3
315: dom = None
316: metaUrl = None
317: if url.startswith("http://"):
318: # real URL
319: metaUrl = url
320: else:
321: # online path
322: server=self.digilibBaseUrl+"/servlet/Texter?fn="
323: metaUrl=server+url.replace("/mpiwg/online","")
324:
325:
326: for cnt in range(num_retries):
327: try:
328: # patch dirk encoding fehler treten dann nicht mehr auf
329: # dom = NonvalidatingReader.parseUri(metaUrl)
330: txt=urllib.urlopen(metaUrl).read()
331: dom = Parse(txt)
332: break
333: except:
334: logger("ERROR documentViewer (getPresentationInfoXML)", logging.INFO,"%s (%s)"%sys.exc_info()[0:2])
335:
336: if dom is None:
337: raise IOError("Unable to read infoXMLfrom %s"%(url))
338:
339: return dom
340:
341:
342: def getAuthinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
343: """gets authorization info from the index.meta file at path or given by dom"""
344: logger("documentViewer (getauthinfofromindexmeta)", logging.INFO,"path: %s"%(path))
345:
346: access = None
347:
348: if docinfo is None:
349: docinfo = {}
350:
351: if dom is None:
352: for x in range(cut+1):
353: path=getParentDir(path)
354: dom = self.getIndexMeta(path)
355:
356: acctype = dom.xpath("//access-conditions/access/@type")
357: if acctype and (len(acctype)>0):
358: access=acctype[0].value
359: if access in ['group', 'institution']:
360: access = getTextFromNode(dom.xpath("//access-conditions/access/name")[0]).lower()
361:
362: docinfo['accessType'] = access
363: return docinfo
364:
365:
366: def getBibinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0):
367: """gets bibliographical info from the index.meta file at path or given by dom"""
368: logging.debug("documentViewer (getbibinfofromindexmeta) path: %s"%(path))
369:
370: if docinfo is None:
371: docinfo = {}
372:
373: if dom is None:
374: for x in range(cut+1):
375: path=getParentDir(path)
376: dom = self.getIndexMeta(path)
377:
378: # put in all raw bib fields as dict "bib"
379: bib = dom.xpath("//bib/*")
380: if bib and len(bib)>0:
381: bibinfo = {}
382: for e in bib:
383: bibinfo[e.localName] = getTextFromNode(e)
384: docinfo['bib'] = bibinfo
385:
386: # extract some fields (author, title, year) according to their mapping
387: metaData=self.metadata.main.meta.bib
388: bibtype=dom.xpath("//bib/@type")
389: if bibtype and (len(bibtype)>0):
390: bibtype=bibtype[0].value
391: else:
392: bibtype="generic"
393:
394: bibtype=bibtype.replace("-"," ") # wrong typesiin index meta "-" instead of " " (not wrong! ROC)
395: docinfo['bib_type'] = bibtype
396: bibmap=metaData.generateMappingForType(bibtype)
397: # if there is no mapping bibmap is empty (mapping sometimes has empty fields)
398: if len(bibmap) > 0 and len(bibmap['author'][0]) > 0:
399: try:
400: docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['author'][0])[0])
401: except: pass
402: try:
403: docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['title'][0])[0])
404: except: pass
405: try:
406: docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['year'][0])[0])
407: except: pass
408: logging.debug("documentViewer (getbibinfofromindexmeta) using mapping for %s"%bibtype)
409: try:
410: docinfo['lang']=getTextFromNode(dom.xpath("//bib/lang")[0])
411: except:
412: docinfo['lang']=''
413:
414: return docinfo
415:
416:
417: def getDocinfoFromTextTool(self,url,dom=None,docinfo=None):
418: """parse texttool tag in index meta"""
419: logger("documentViewer (getdocinfofromtexttool)", logging.INFO,"url: %s"%(url))
420: if docinfo is None:
421: docinfo = {}
422:
423: if docinfo.get('lang',None) is None:
424: docinfo['lang']='' # default keine Sprache gesetzt
425: if dom is None:
426: dom = self.getIndexMeta(url)
427:
428: archivePath = None
429: archiveName = None
430:
431: archiveNames=dom.xpath("//resource/name")
432: if archiveNames and (len(archiveNames)>0):
433: archiveName=getTextFromNode(archiveNames[0])
434: else:
435: logger("documentViewer (getdocinfofromtexttool)", logging.WARNING,"resource/name missing in: %s"%(url))
436:
437: archivePaths=dom.xpath("//resource/archive-path")
438: if archivePaths and (len(archivePaths)>0):
439: archivePath=getTextFromNode(archivePaths[0])
440: # clean up archive path
441: if archivePath[0] != '/':
442: archivePath = '/' + archivePath
443: if archiveName and (not archivePath.endswith(archiveName)):
444: archivePath += "/" + archiveName
445: else:
446: # try to get archive-path from url
447: logger("documentViewer (getdocinfofromtexttool)", logging.WARNING,"resource/archive-path missing in: %s"%(url))
448: if (not url.startswith('http')):
449: archivePath = url.replace('index.meta', '')
450:
451: if archivePath is None:
452: # we balk without archive-path
453: raise IOError("Missing archive-path (for text-tool) in %s"%(url))
454:
455: imageDirs=dom.xpath("//texttool/image")
456: if imageDirs and (len(imageDirs)>0):
457: imageDir=getTextFromNode(imageDirs[0])
458: else:
459: # we balk with no image tag / not necessary anymore because textmode is now standard
460: #raise IOError("No text-tool info in %s"%(url))
461: imageDir=""
462: docinfo['numPages']=1 # im moment einfach auf eins setzen, navigation ueber die thumbs geht natuerlich nicht
463:
464: docinfo['imagePath'] = "" # keine Bilder
465: docinfo['imageURL'] = ""
466:
467: if imageDir and archivePath:
468: #print "image: ", imageDir, " archivepath: ", archivePath
469: imageDir=os.path.join(archivePath,imageDir)
470: imageDir=imageDir.replace("/mpiwg/online",'')
471: docinfo=self.getDirinfoFromDigilib(imageDir,docinfo=docinfo)
472: docinfo['imagePath'] = imageDir
473: docinfo['imageURL'] = self.digilibBaseUrl+"/servlet/Scaler?fn="+imageDir
474:
475: viewerUrls=dom.xpath("//texttool/digiliburlprefix")
476: if viewerUrls and (len(viewerUrls)>0):
477: viewerUrl=getTextFromNode(viewerUrls[0])
478: docinfo['viewerURL'] = viewerUrl
479:
480: textUrls=dom.xpath("//texttool/text")
481: if textUrls and (len(textUrls)>0):
482: textUrl=getTextFromNode(textUrls[0])
483: if urlparse.urlparse(textUrl)[0]=="": #keine url
484: textUrl=os.path.join(archivePath,textUrl)
485: # fix URLs starting with /mpiwg/online
486: if textUrl.startswith("/mpiwg/online"):
487: textUrl = textUrl.replace("/mpiwg/online",'',1)
488:
489: docinfo['textURL'] = textUrl
490:
491: presentationUrls=dom.xpath("//texttool/presentation")
492: docinfo = self.getBibinfoFromIndexMeta(url,docinfo=docinfo,dom=dom) # get info von bib tag
493:
494: if presentationUrls and (len(presentationUrls)>0): # ueberschreibe diese durch presentation informationen
495: # presentation url ergiebt sich ersetzen von index.meta in der url der fuer die Metadaten
496: # durch den relativen Pfad auf die presentation infos
497: presentationUrl=url.replace('index.meta',getTextFromNode(presentationUrls[0]))
498: docinfo = self.getBibinfoFromTextToolPresentation(presentationUrl,docinfo=docinfo,dom=dom)
499:
500: docinfo = self.getAuthinfoFromIndexMeta(url,docinfo=docinfo,dom=dom) # get access info
501: return docinfo
502:
503:
504: def getBibinfoFromTextToolPresentation(self,url,docinfo=None,dom=None):
505: """gets the bibliographical information from the preseantion entry in texttools
506: """
507: dom=self.getPresentationInfoXML(url)
508: try:
509: docinfo['author']=getTextFromNode(dom.xpath("//author")[0])
510: except:
511: pass
512: try:
513: docinfo['title']=getTextFromNode(dom.xpath("//title")[0])
514: except:
515: pass
516: try:
517: docinfo['year']=getTextFromNode(dom.xpath("//date")[0])
518: except:
519: pass
520: return docinfo
521:
522: def getDocinfoFromImagePath(self,path,docinfo=None,cut=0):
523: """path ist the path to the images it assumes that the index.meta file is one level higher."""
524: logger("documentViewer (getdocinfofromimagepath)", logging.INFO,"path: %s"%(path))
525: if docinfo is None:
526: docinfo = {}
527: path=path.replace("/mpiwg/online","")
528: docinfo['imagePath'] = path
529: docinfo=self.getDirinfoFromDigilib(path,docinfo=docinfo,cut=cut)
530: imageUrl=self.digilibBaseUrl+"/servlet/Scaler?fn="+path
531: docinfo['imageURL'] = imageUrl
532:
533: docinfo = self.getBibinfoFromIndexMeta(path,docinfo=docinfo,cut=cut)
534: docinfo = self.getAuthinfoFromIndexMeta(path,docinfo=docinfo,cut=cut)
535: return docinfo
536:
537:
538: def getDocinfo(self, mode, url):
539: """returns docinfo depending on mode"""
540: logger("documentViewer (getdocinfo)", logging.INFO,"mode: %s, url: %s"%(mode,url))
541: # look for cached docinfo in session
542: if self.REQUEST.SESSION.has_key('docinfo'):
543: docinfo = self.REQUEST.SESSION['docinfo']
544: # check if its still current
545: if docinfo is not None and docinfo.get('mode') == mode and docinfo.get('url') == url:
546: logger("documentViewer (getdocinfo)", logging.INFO,"docinfo in session: %s"%docinfo)
547: return docinfo
548: # new docinfo
549: docinfo = {'mode': mode, 'url': url}
550: if mode=="texttool": #index.meta with texttool information
551: docinfo = self.getDocinfoFromTextTool(url, docinfo=docinfo)
552: elif mode=="imagepath":
553: docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo)
554: elif mode=="filepath":
555: docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo,cut=2)
556: else:
557: logger("documentViewer (getdocinfo)", logging.ERROR,"unknown mode!")
558: raise ValueError("Unknown mode %s"%(mode))
559:
560: logger("documentViewer (getdocinfo)", logging.INFO,"docinfo: %s"%docinfo)
561: self.REQUEST.SESSION['docinfo'] = docinfo
562: return docinfo
563:
564:
565: def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None):
566: """returns pageinfo with the given parameters"""
567: pageinfo = {}
568: current = getInt(current)
569: pageinfo['current'] = current
570: rows = int(rows or self.thumbrows)
571: pageinfo['rows'] = rows
572: cols = int(cols or self.thumbcols)
573: pageinfo['cols'] = cols
574: grpsize = cols * rows
575: pageinfo['groupsize'] = grpsize
576: start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1)))
577: # int(current / grpsize) * grpsize +1))
578: pageinfo['start'] = start
579: pageinfo['end'] = start + grpsize
580: if docinfo is not None:
581: np = int(docinfo['numPages'])
582: pageinfo['end'] = min(pageinfo['end'], np)
583: pageinfo['numgroups'] = int(np / grpsize)
584: if np % grpsize > 0:
585: pageinfo['numgroups'] += 1
586:
587: return pageinfo
588:
589: def text(self,mode,url,pn):
590: """give text"""
591: if mode=="texttool": #index.meta with texttool information
592: (viewerUrl,imagepath,textpath)=parseUrlTextTool(url)
593:
594: #print textpath
595: try:
596: dom = NonvalidatingReader.parseUri(textpath)
597: except:
598: return None
599:
600: list=[]
601: nodes=dom.xpath("//pb")
602:
603: node=nodes[int(pn)-1]
604:
605: p=node
606:
607: while p.tagName!="p":
608: p=p.parentNode
609:
610:
611: endNode=nodes[int(pn)]
612:
613:
614: e=endNode
615:
616: while e.tagName!="p":
617: e=e.parentNode
618:
619:
620: next=node.parentNode
621:
622: #sammle s
623: while next and (next!=endNode.parentNode):
624: list.append(next)
625: next=next.nextSibling
626: list.append(endNode.parentNode)
627:
628: if p==e:# beide im selben paragraphen
629: pass
630: # else:
631: # next=p
632: # while next!=e:
633: # print next,e
634: # list.append(next)
635: # next=next.nextSibling
636: #
637: # for x in list:
638: # PrettyPrint(x)
639: #
640: # return list
641: #
642:
643: def findDigilibUrl(self):
644: """try to get the digilib URL from zogilib"""
645: url = self.imageViewerUrl[:-1] + "/getScalerUrl"
646: #print urlparse.urlparse(url)[0]
647: #print urlparse.urljoin(self.absolute_url(),url)
648: logging.info("finddigiliburl: %s"%urlparse.urlparse(url)[0])
649: logging.info("finddigiliburl: %s"%urlparse.urljoin(self.absolute_url(),url))
650:
651: try:
652: if urlparse.urlparse(url)[0]=='': #relative path
653: url=urlparse.urljoin(self.absolute_url()+"/",url)
654:
655: scaler = urlopen(url).read()
656: return scaler.replace("/servlet/Scaler?", "")
657: except:
658: return None
659:
660: def changeDocumentViewer(self,imageViewerUrl,textViewerUrl,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=10,authgroups='mpiwg',RESPONSE=None):
661: """init document viewer"""
662: self.title=title
663: self.imageViewerUrl=imageViewerUrl
664: self.textViewerUrl=textViewerUrl
665: self.digilibBaseUrl = digilibBaseUrl
666: self.thumbrows = thumbrows
667: self.thumbcols = thumbcols
668: self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
669: if RESPONSE is not None:
670: RESPONSE.redirect('manage_main')
671:
672:
673:
674:
675: # security.declareProtected('View management screens','renameImageForm')
676:
677: def manage_AddDocumentViewerForm(self):
678: """add the viewer form"""
679: pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self)
680: return pt()
681:
682: def manage_AddDocumentViewer(self,id,imageViewerUrl="",textViewerUrl="",title="",RESPONSE=None):
683: """add the viewer"""
684: newObj=documentViewer(id,imageViewerUrl,title=title,textViewerUrl=textViewerUrl)
685: self._setObject(id,newObj)
686:
687: if RESPONSE is not None:
688: RESPONSE.redirect('manage_main')
689:
690:
691: ##
692: ## DocumentViewerTemplate class
693: ##
694: class DocumentViewerTemplate(ZopePageTemplate):
695: """Template for document viewer"""
696: meta_type="DocumentViewer Template"
697:
698:
699: def manage_addDocumentViewerTemplateForm(self):
700: """Form for adding"""
701: pt=PageTemplateFile('zpt/addDocumentViewerTemplate', globals()).__of__(self)
702: return pt()
703:
704: def manage_addDocumentViewerTemplate(self, id='viewer_main', title=None, text=None,
705: REQUEST=None, submit=None):
706: "Add a Page Template with optional file content."
707:
708: self._setObject(id, DocumentViewerTemplate(id))
709: ob = getattr(self, id)
710: txt=file(os.path.join(package_home(globals()),'zpt/viewer_main.zpt'),'r').read()
711: logging.info("txt %s:"%txt)
712: ob.pt_edit(txt,"text/html")
713: if title:
714: ob.pt_setTitle(title)
715: try:
716: u = self.DestinationURL()
717: except AttributeError:
718: u = REQUEST['URL1']
719:
720: u = "%s/%s" % (u, urllib.quote(id))
721: REQUEST.RESPONSE.redirect(u+'/manage_main')
722: return ''
723:
724:
725:
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