1: from OFS.Folder import Folder
2: from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
3: from Products.PageTemplates.PageTemplateFile import PageTemplateFile
4: from AccessControl import ClassSecurityInfo
5: from AccessControl import getSecurityManager
6: from Globals import package_home
7:
8: #from Ft.Xml import EMPTY_NAMESPACE, Parse
9: #import Ft.Xml.Domlette
10:
11: import xml.etree.ElementTree as ET
12:
13: import os.path
14: import sys
15: import urllib
16: import logging
17: import math
18: import urlparse
19: import re
20: import string
21:
22: from SrvTxtUtils import getInt, getText, getHttpData
23:
24: def logger(txt,method,txt2):
25: """logging"""
26: logging.info(txt+ txt2)
27:
28:
29: def serializeNode(node, encoding="utf-8"):
30: """returns a string containing node as XML"""
31: s = ET.tostring(node)
32:
33: # 4Suite:
34: # stream = cStringIO.StringIO()
35: # Ft.Xml.Domlette.Print(node, stream=stream, encoding=encoding)
36: # s = stream.getvalue()
37: # stream.close()
38: return s
39:
40: def browserCheck(self):
41: """check the browsers request to find out the browser type"""
42: bt = {}
43: ua = self.REQUEST.get_header("HTTP_USER_AGENT")
44: bt['ua'] = ua
45: bt['isIE'] = False
46: bt['isN4'] = False
47: bt['versFirefox']=""
48: bt['versIE']=""
49: bt['versSafariChrome']=""
50: bt['versOpera']=""
51:
52: if string.find(ua, 'MSIE') > -1:
53: bt['isIE'] = True
54: else:
55: bt['isN4'] = (string.find(ua, 'Mozilla/4.') > -1)
56: # Safari oder Chrome identification
57: try:
58: nav = ua[string.find(ua, '('):]
59: nav1=ua[string.find(ua,')'):]
60: nav2=nav1[string.find(nav1,'('):]
61: nav3=nav2[string.find(nav2,')'):]
62: ie = string.split(nav, "; ")[1]
63: ie1 =string.split(nav1, " ")[2]
64: ie2 =string.split(nav3, " ")[1]
65: ie3 =string.split(nav3, " ")[2]
66: if string.find(ie3, "Safari") >-1:
67: bt['versSafariChrome']=string.split(ie2, "/")[1]
68: except: pass
69: # IE identification
70: try:
71: nav = ua[string.find(ua, '('):]
72: ie = string.split(nav, "; ")[1]
73: if string.find(ie, "MSIE") > -1:
74: bt['versIE'] = string.split(ie, " ")[1]
75: except:pass
76: # Firefox identification
77: try:
78: nav = ua[string.find(ua, '('):]
79: nav1=ua[string.find(ua,')'):]
80: if string.find(ie1, "Firefox") >-1:
81: nav5= string.split(ie1, "/")[1]
82: logging.debug("FIREFOX: %s"%(nav5))
83: bt['versFirefox']=nav5[0:3]
84: except:pass
85: #Opera identification
86: try:
87: if string.find(ua,"Opera") >-1:
88: nav = ua[string.find(ua, '('):]
89: nav1=nav[string.find(nav,')'):]
90: bt['versOpera']=string.split(nav1,"/")[2]
91: except:pass
92:
93: bt['isMac'] = string.find(ua, 'Macintosh') > -1
94: bt['isWin'] = string.find(ua, 'Windows') > -1
95: bt['isIEWin'] = bt['isIE'] and bt['isWin']
96: bt['isIEMac'] = bt['isIE'] and bt['isMac']
97: bt['staticHTML'] = False
98:
99: return bt
100:
101: def getParentPath(path, cnt=1):
102: """returns pathname shortened by cnt"""
103: # make sure path doesn't end with /
104: path = path.rstrip('/')
105: # split by /, shorten, and reassemble
106: return '/'.join(path.split('/')[0:-cnt])
107:
108:
109: ##
110: ## documentViewer class
111: ##
112: class documentViewer(Folder):
113: """document viewer"""
114: meta_type="Document viewer"
115:
116: security=ClassSecurityInfo()
117: manage_options=Folder.manage_options+(
118: {'label':'main config','action':'changeDocumentViewerForm'},
119: )
120:
121: metadataService = None
122: """MetaDataFolder instance"""
123:
124: # templates and forms
125: viewer_main = PageTemplateFile('zpt/viewer_main', globals())
126: toc_thumbs = PageTemplateFile('zpt/toc_thumbs', globals())
127: toc_text = PageTemplateFile('zpt/toc_text', globals())
128: toc_figures = PageTemplateFile('zpt/toc_figures', globals())
129: page_main_images = PageTemplateFile('zpt/page_main_images', globals())
130: page_main_double = PageTemplateFile('zpt/page_main_double', globals())
131: page_main_text = PageTemplateFile('zpt/page_main_text', globals())
132: page_main_text_dict = PageTemplateFile('zpt/page_main_text_dict', globals())
133: page_main_gis =PageTemplateFile ('zpt/page_main_gis', globals())
134: page_main_xml = PageTemplateFile('zpt/page_main_xml', globals())
135: page_main_pureXml = PageTemplateFile('zpt/page_main_pureXml', globals())
136: head_main = PageTemplateFile('zpt/head_main', globals())
137: docuviewer_css = PageTemplateFile('css/docuviewer.css', globals())
138: info_xml = PageTemplateFile('zpt/info_xml', globals())
139:
140:
141: thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals())
142:
143:
144: def __init__(self,id,imageScalerUrl=None,textServerName=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=5,authgroups="mpiwg"):
145: """init document viewer"""
146: self.id=id
147: self.title=title
148: self.thumbcols = thumbcols
149: self.thumbrows = thumbrows
150: # authgroups is list of authorized groups (delimited by ,)
151: self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
152: # create template folder so we can always use template.something
153:
154: templateFolder = Folder('template')
155: #self['template'] = templateFolder # Zope-2.12 style
156: self._setObject('template',templateFolder) # old style
157: try:
158: import MpdlXmlTextServer
159: textServer = MpdlXmlTextServer.MpdlXmlTextServer(id='fulltextclient',serverName=textServerName)
160: #templateFolder['fulltextclient'] = xmlRpcClient
161: templateFolder._setObject('fulltextclient',textServer)
162: except Exception, e:
163: logging.error("Unable to create MpdlXmlTextServer for fulltextclient: "+str(e))
164:
165: try:
166: from Products.zogiLib.zogiLib import zogiLib
167: zogilib = zogiLib(id="zogilib", title="zogilib for docuviewer", dlServerURL=imageScalerUrl, layout="book")
168: #templateFolder['zogilib'] = zogilib
169: templateFolder._setObject('zogilib',zogilib)
170: except Exception, e:
171: logging.error("Unable to create zogiLib for zogilib: "+str(e))
172:
173: try:
174: # assume MetaDataFolder instance is called metadata
175: self.metadataService = getattr(self, 'metadata')
176: except Exception, e:
177: logging.error("Unable to find MetaDataFolder 'metadata': "+str(e))
178:
179:
180: # proxy text server methods to fulltextclient
181: def getTextPage(self, **args):
182: """get page"""
183: return self.template.fulltextclient.getTextPage(**args)
184:
185: def getOrigPages(self, **args):
186: """get page"""
187: return self.template.fulltextclient.getOrigPages(**args)
188:
189: def getOrigPagesNorm(self, **args):
190: """get page"""
191: return self.template.fulltextclient.getOrigPagesNorm(**args)
192:
193: def getQuery(self, **args):
194: """get query in search"""
195: return self.template.fulltextclient.getQuery(**args)
196:
197: def getSearch(self, **args):
198: """get search"""
199: return self.template.fulltextclient.getSearch(**args)
200:
201: def getGisPlaces(self, **args):
202: """get gis places"""
203: return self.template.fulltextclient.getGisPlaces(**args)
204:
205: def getAllGisPlaces(self, **args):
206: """get all gis places """
207: return self.template.fulltextclient.getAllGisPlaces(**args)
208:
209: def getTranslate(self, **args):
210: """get translate"""
211: return self.template.fulltextclient.getTranslate(**args)
212:
213: def getLemma(self, **args):
214: """get lemma"""
215: return self.template.fulltextclient.getLemma(**args)
216:
217: def getLemmaQuery(self, **args):
218: """get query"""
219: return self.template.fulltextclient.getLemmaQuery(**args)
220:
221: def getLex(self, **args):
222: """get lex"""
223: return self.template.fulltextclient.getLex(**args)
224:
225: def getToc(self, **args):
226: """get toc"""
227: return self.template.fulltextclient.getToc(**args)
228:
229: def getTocPage(self, **args):
230: """get tocpage"""
231: return self.template.fulltextclient.getTocPage(**args)
232:
233:
234: security.declareProtected('View','thumbs_rss')
235: def thumbs_rss(self,mode,url,viewMode="auto",start=None,pn=1):
236: '''
237: view it
238: @param mode: defines how to access the document behind url
239: @param url: url which contains display information
240: @param viewMode: if images display images, if text display text, default is images (text,images or auto)
241:
242: '''
243: logging.debug("HHHHHHHHHHHHHH:load the rss")
244: logging.debug("documentViewer (index) mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
245:
246: if not hasattr(self, 'template'):
247: # create template folder if it doesn't exist
248: self.manage_addFolder('template')
249:
250: if not self.digilibBaseUrl:
251: self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
252:
253: docinfo = self.getDocinfo(mode=mode,url=url)
254: #pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
255: pageinfo = self.getPageinfo(start=start,current=pn, docinfo=docinfo)
256: ''' ZDES '''
257: pt = getattr(self.template, 'thumbs_main_rss')
258:
259: if viewMode=="auto": # automodus gewaehlt
260: if docinfo.has_key("textURL") or docinfo.get('textURLPath',None): #texturl gesetzt und textViewer konfiguriert
261: viewMode="text"
262: else:
263: viewMode="images"
264:
265: return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)
266:
267:
268: security.declareProtected('View','index_html')
269: def index_html(self,url,mode="texttool",viewMode="auto",viewType=None,tocMode="thumbs",start=1,pn=1):
270: """
271: view page
272: @param url: url which contains display information
273: @param mode: defines how to access the document behind url
274: @param viewMode: 'images': display images, 'text': display text, default is 'auto'
275: @param viewType: sub-type of viewMode, e.g. 'dict' for viewMode='text'
276: @param tocMode: type of 'table of contents' for navigation (thumbs, text, figures, none)
277: """
278:
279: logging.debug("documentViewer (index) mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
280:
281: if not hasattr(self, 'template'):
282: # this won't work
283: logging.error("template folder missing!")
284: return "ERROR: template folder missing!"
285:
286: if not getattr(self, 'digilibBaseUrl', None):
287: self.digilibBaseUrl = self.findDigilibUrl() or "http://digilib.mpiwg-berlin.mpg.de/digitallibrary"
288:
289: docinfo = self.getDocinfo(mode=mode,url=url)
290:
291: if tocMode != "thumbs":
292: # get table of contents
293: docinfo = self.getToc(mode=tocMode, docinfo=docinfo)
294:
295: # auto viewMode: text if there is a text else images
296: if viewMode=="auto":
297: if docinfo.get('textURL', None) or docinfo.get('textURLPath', None):
298: viewMode = "text"
299: viewType = "dict"
300: else:
301: viewMode = "images"
302:
303: pageinfo = self.getPageinfo(start=start, current=pn, docinfo=docinfo, viewMode=viewMode, viewType=viewType, tocMode=tocMode)
304:
305: # get template /template/viewer_main
306: pt = getattr(self.template, 'viewer_main')
307: # and execute with parameters
308: return pt(docinfo=docinfo, pageinfo=pageinfo)
309:
310: def generateMarks(self,mk):
311: ret=""
312: if mk is None:
313: return ""
314: if not isinstance(mk, list):
315: mk=[mk]
316: for m in mk:
317: ret+="mk=%s"%m
318: return ret
319:
320:
321: def getBrowser(self):
322: """getBrowser the version of browser """
323: bt = browserCheck(self)
324: logging.debug("BROWSER VERSION: %s"%(bt))
325: return bt
326:
327: def findDigilibUrl(self):
328: """try to get the digilib URL from zogilib"""
329: url = self.template.zogilib.getDLBaseUrl()
330: return url
331:
332: def getDocumentViewerURL(self):
333: """returns the URL of this instance"""
334: return self.absolute_url()
335:
336: def getStyle(self, idx, selected, style=""):
337: """returns a string with the given style and append 'sel' if path == selected."""
338: #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))
339: if idx == selected:
340: return style + 'sel'
341: else:
342: return style
343:
344: def getParams(self, param=None, val=None, params=None):
345: """returns dict with URL parameters.
346:
347: Takes URL parameters and additionally param=val or dict params.
348: Deletes key if value is None."""
349: # copy existing request params
350: newParams=self.REQUEST.form.copy()
351: # change single param
352: if param is not None:
353: if val is None:
354: if newParams.has_key(param):
355: del newParams[param]
356: else:
357: newParams[param] = str(val)
358:
359: # change more params
360: if params is not None:
361: for k in params.keys():
362: v = params[k]
363: if v is None:
364: # val=None removes param
365: if newParams.has_key(k):
366: del newParams[k]
367:
368: else:
369: newParams[k] = v
370:
371: return newParams
372:
373: def getLink(self, param=None, val=None, params=None, baseUrl=None, paramSep='&'):
374: """returns URL to documentviewer with parameter param set to val or from dict params"""
375: urlParams = self.getParams(param=param, val=val, params=params)
376: # quote values and assemble into query string (not escaping '/')
377: ps = paramSep.join(["%s=%s"%(k,urllib.quote_plus(v,'/')) for (k, v) in urlParams.items()])
378: if baseUrl is None:
379: baseUrl = self.getDocumentViewerURL()
380:
381: url = "%s?%s"%(baseUrl, ps)
382: return url
383:
384: def getLinkAmp(self, param=None, val=None, params=None, baseUrl=None):
385: """link to documentviewer with parameter param set to val"""
386: return self.getLink(param, val, params, baseUrl, '&')
387:
388:
389: def getInfo_xml(self,url,mode):
390: """returns info about the document as XML"""
391: if not self.digilibBaseUrl:
392: self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
393:
394: docinfo = self.getDocinfo(mode=mode,url=url)
395: pt = getattr(self.template, 'info_xml')
396: return pt(docinfo=docinfo)
397:
398: def isAccessible(self, docinfo):
399: """returns if access to the resource is granted"""
400: access = docinfo.get('accessType', None)
401: logging.debug("documentViewer (accessOK) access type %s"%access)
402: if access == 'free':
403: logging.debug("documentViewer (accessOK) access is free")
404: return True
405:
406: elif access is None or access in self.authgroups:
407: # only local access -- only logged in users
408: user = getSecurityManager().getUser()
409: logging.debug("documentViewer (accessOK) user=%s ip=%s"%(user,self.REQUEST.getClientAddr()))
410: if user is not None:
411: #print "user: ", user
412: return (user.getUserName() != "Anonymous User")
413: else:
414: return False
415:
416: logging.error("documentViewer (accessOK) unknown access type %s"%access)
417: return False
418:
419:
420:
421: def getDocinfo(self, mode, url):
422: """returns docinfo depending on mode"""
423: logging.debug("getDocinfo: mode=%s, url=%s"%(mode,url))
424: # look for cached docinfo in session
425: if self.REQUEST.SESSION.has_key('docinfo'):
426: docinfo = self.REQUEST.SESSION['docinfo']
427: # check if its still current
428: if docinfo is not None and docinfo.get('mode', None) == mode and docinfo.get('url', None) == url:
429: logging.debug("getDocinfo: docinfo in session. keys=%s"%docinfo.keys())
430: return docinfo
431:
432: # new docinfo
433: docinfo = {'mode': mode, 'url': url}
434: # add self url
435: docinfo['viewerUrl'] = self.getDocumentViewerURL()
436: # get index.meta DOM
437: docUrl = None
438: metaDom = None
439: if mode=="texttool":
440: # url points to document dir or index.meta
441: metaDom = self.metadataService.getDomFromPathOrUrl(url)
442: docUrl = url.replace('/index.meta', '')
443: if metaDom is None:
444: raise IOError("Unable to find index.meta for mode=texttool!")
445:
446: elif mode=="imagepath":
447: # url points to folder with images, index.meta optional
448: # asssume index.meta in parent dir
449: docUrl = getParentPath(url)
450: metaDom = self.metadataService.getDomFromPathOrUrl(docUrl)
451:
452: elif mode=="filepath":
453: # url points to image file, index.meta optional
454: # asssume index.meta is two path segments up
455: docUrl = getParentPath(url, 2)
456: metaDom = self.metadataService.getDomFromPathOrUrl(docUrl)
457:
458: else:
459: logging.error("documentViewer (getdocinfo) unknown mode: %s!"%mode)
460: raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode))
461:
462: docinfo['documentUrl'] = docUrl
463: # process index.meta contents
464: if metaDom is not None and metaDom.tag == 'resource':
465: # document directory name and path
466: resource = self.metadataService.getResourceData(dom=metaDom)
467: if resource:
468: docinfo = self.getDocinfoFromResource(docinfo, resource)
469:
470: # texttool info
471: texttool = self.metadataService.getTexttoolData(dom=metaDom)
472: if texttool:
473: docinfo = self.getDocinfoFromTexttool(docinfo, texttool)
474:
475: # bib info
476: bib = self.metadataService.getBibData(dom=metaDom)
477: if bib:
478: docinfo = self.getDocinfoFromBib(docinfo, bib)
479: else:
480: # no bib - try info.xml
481: docinfo = self.getDocinfoFromPresentationInfoXml(docinfo)
482:
483: # auth info
484: access = self.metadataService.getAccessData(dom=metaDom)
485: if access:
486: docinfo = self.getDocinfoFromAccess(docinfo, access)
487:
488: # attribution info
489: attribution = self.metadataService.getAttributionData(dom=metaDom)
490: if attribution:
491: logging.debug("getDocinfo: attribution=%s"%repr(attribution))
492: docinfo['attribution'] = attribution
493: #docinfo = self.getDocinfoFromAccess(docinfo, access)
494:
495: # copyright info
496: copyright = self.metadataService.getCopyrightData(dom=metaDom)
497: if copyright:
498: logging.debug("getDocinfo: copyright=%s"%repr(copyright))
499: docinfo['copyright'] = copyright
500: #docinfo = self.getDocinfoFromAccess(docinfo, access)
501:
502: # image path
503: if mode != 'texttool':
504: # override image path from texttool
505: docinfo['imagePath'] = url.replace('/mpiwg/online/', '', 1)
506:
507: # number of images from digilib
508: if docinfo.get('imagePath', None):
509: docinfo['imageURL'] = self.digilibBaseUrl + "/servlet/Scaler?fn=" + docinfo['imagePath']
510: docinfo = self.getDocinfoFromDigilib(docinfo, docinfo['imagePath'])
511:
512: logging.debug("documentViewer (getdocinfo) docinfo: keys=%s"%docinfo.keys())
513: #logging.debug("documentViewer (getdocinfo) docinfo: %s"%docinfo)
514: # store in session
515: self.REQUEST.SESSION['docinfo'] = docinfo
516: return docinfo
517:
518: def getDocinfoFromResource(self, docinfo, resource):
519: """reads contents of resource element into docinfo"""
520: docName = resource.get('name', None)
521: docinfo['documentName'] = docName
522: docPath = resource.get('archive-path', None)
523: if docPath:
524: # clean up document path
525: if docPath[0] != '/':
526: docPath = '/' + docPath
527:
528: if docName and (not docPath.endswith(docName)):
529: docPath += "/" + docName
530:
531: else:
532: # use docUrl as docPath
533: docUrl = docinfo['documentURL']
534: if not docUrl.startswith('http:'):
535: docPath = docUrl
536: if docPath:
537: # fix URLs starting with /mpiwg/online
538: docPath = docPath.replace('/mpiwg/online', '', 1)
539:
540: docinfo['documentPath'] = docPath
541: return docinfo
542:
543: def getDocinfoFromTexttool(self, docinfo, texttool):
544: """reads contents of texttool element into docinfo"""
545: # image dir
546: imageDir = texttool.get('image', None)
547: docPath = docinfo.get('documentPath', None)
548: if imageDir and docPath:
549: #print "image: ", imageDir, " archivepath: ", archivePath
550: imageDir = os.path.join(docPath, imageDir)
551: imageDir = imageDir.replace('/mpiwg/online', '', 1)
552: docinfo['imagePath'] = imageDir
553:
554: # old style text URL
555: textUrl = texttool.get('text', None)
556: if textUrl and docPath:
557: if urlparse.urlparse(textUrl)[0] == "": #keine url
558: textUrl = os.path.join(docPath, textUrl)
559:
560: docinfo['textURL'] = textUrl
561:
562: # new style text-url-path
563: textUrl = texttool.get('text-url-path', None)
564: if textUrl:
565: docinfo['textURLPath'] = textUrl
566:
567: # page flow
568: docinfo['pageFlow'] = texttool.get('page-flow', 'ltr')
569:
570: # odd pages are left
571: docinfo['oddPage'] = texttool.get('odd-scan-orientation', 'left')
572:
573: # number of title page (0: not defined)
574: docinfo['titlePage'] = texttool.get('title-scan-no', 0)
575:
576: # old presentation stuff
577: presentation = texttool.get('presentation', None)
578: if presentation and docPath:
579: if presentation.startswith('http:'):
580: docinfo['presentationUrl'] = presentation
581: else:
582: docinfo['presentationUrl'] = os.path.join(docPath, presentation)
583:
584:
585: return docinfo
586:
587: def getDocinfoFromBib(self, docinfo, bib):
588: """reads contents of bib element into docinfo"""
589: logging.debug("getDocinfoFromBib bib=%s"%repr(bib))
590: # put all raw bib fields in dict "bib"
591: docinfo['bib'] = bib
592: bibtype = bib.get('@type', None)
593: docinfo['bibType'] = bibtype
594: # also store DC metadata for convenience
595: dc = self.metadataService.getDCMappedData(bib)
596: docinfo['creator'] = dc.get('creator',None)
597: docinfo['title'] = dc.get('title',None)
598: docinfo['date'] = dc.get('date',None)
599: return docinfo
600:
601: def getDocinfoFromAccess(self, docinfo, acc):
602: """reads contents of access element into docinfo"""
603: #TODO: also read resource type
604: logging.debug("getDocinfoFromAccess acc=%s"%repr(acc))
605: try:
606: acctype = acc['@attr']['type']
607: if acctype:
608: access=acctype
609: if access in ['group', 'institution']:
610: access = acc['name'].lower()
611:
612: docinfo['accessType'] = access
613:
614: except:
615: pass
616:
617: return docinfo
618:
619: def getDocinfoFromDigilib(self, docinfo, path):
620: infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path
621: # fetch data
622: txt = getHttpData(infoUrl)
623: if not txt:
624: logging.error("Unable to get dir-info from %s"%(infoUrl))
625: return docinfo
626:
627: dom = ET.fromstring(txt)
628: size = getText(dom.find("size"))
629: logging.debug("getDocinfoFromDigilib: size=%s"%size)
630: if size:
631: docinfo['numPages'] = int(size)
632: else:
633: docinfo['numPages'] = 0
634:
635: # TODO: produce and keep list of image names and numbers
636: return docinfo
637:
638:
639: def getDocinfoFromPresentationInfoXml(self,docinfo):
640: """gets DC-like bibliographical information from the presentation entry in texttools"""
641: url = docinfo.get('presentationUrl', None)
642: if not url:
643: logging.error("getDocinfoFromPresentation: no URL!")
644: return docinfo
645:
646: dom = None
647: metaUrl = None
648: if url.startswith("http://"):
649: # real URL
650: metaUrl = url
651: else:
652: # online path
653:
654: server=self.digilibBaseUrl+"/servlet/Texter?fn="
655: metaUrl=server+url
656:
657: txt=getHttpData(metaUrl)
658: if txt is None:
659: logging.error("Unable to read info.xml from %s"%(url))
660: return docinfo
661:
662: dom = ET.fromstring(txt)
663: docinfo['creator']=getText(dom.find(".//author"))
664: docinfo['title']=getText(dom.find(".//title"))
665: docinfo['date']=getText(dom.find(".//date"))
666: return docinfo
667:
668:
669: def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None, viewMode=None, viewType=None, tocMode=None):
670: """returns pageinfo with the given parameters"""
671: pageinfo = {}
672: pageinfo['viewMode'] = viewMode
673: pageinfo['viewType'] = viewType
674: pageinfo['tocMode'] = tocMode
675:
676: current = getInt(current)
677: pageinfo['current'] = current
678: rows = int(rows or self.thumbrows)
679: pageinfo['rows'] = rows
680: cols = int(cols or self.thumbcols)
681: pageinfo['cols'] = cols
682: grpsize = cols * rows
683: pageinfo['groupsize'] = grpsize
684: # what does this do?
685: start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1)))
686: # int(current / grpsize) * grpsize +1))
687: pageinfo['start'] = start
688: pageinfo['end'] = start + grpsize
689: pn = self.REQUEST.get('pn','1')
690: pageinfo['pn'] = pn
691: np = int(docinfo.get('numPages', 0))
692: if np == 0:
693: # numPages unknown - maybe we can get it from text page
694: if docinfo.get('textURLPath', None):
695: # cache text page as well
696: pageinfo['textPage'] = self.getTextPage(mode=viewType, pn=pn, docinfo=docinfo, pageinfo=pageinfo)
697: np = int(docinfo.get('numPages', 0))
698:
699: pageinfo['end'] = min(pageinfo['end'], np)
700: pageinfo['numgroups'] = int(np / grpsize)
701: if np % grpsize > 0:
702: pageinfo['numgroups'] += 1
703:
704: pageinfo['characterNormalization'] = self.REQUEST.get('characterNormalization','reg')
705: pageinfo['query'] = self.REQUEST.get('query','')
706: pageinfo['queryType'] = self.REQUEST.get('queryType','')
707: pageinfo['querySearch'] =self.REQUEST.get('querySearch', 'fulltext')
708: pageinfo['highlightQuery'] = self.REQUEST.get('highlightQuery','')
709: pageinfo['tocPageSize'] = self.REQUEST.get('tocPageSize', '30')
710: pageinfo['queryPageSize'] =self.REQUEST.get('queryPageSize', '10')
711: pageinfo['tocPN'] = self.REQUEST.get('tocPN', '1')
712: # WTF?:
713: toc = int(pageinfo['tocPN'])
714: pageinfo['textPages'] = int(toc)
715:
716: # What does this do?
717: if 'tocSize_%s'%tocMode in docinfo:
718: tocSize = int(docinfo['tocSize_%s'%tocMode])
719: tocPageSize = int(pageinfo['tocPageSize'])
720: # cached toc
721: if tocSize%tocPageSize>0:
722: tocPages=tocSize/tocPageSize+1
723: else:
724: tocPages=tocSize/tocPageSize
725:
726: pageinfo['tocPN'] = min(tocPages,toc)
727:
728: pageinfo['searchPN'] =self.REQUEST.get('searchPN','1')
729: return pageinfo
730:
731:
732: security.declareProtected('View management screens','changeDocumentViewerForm')
733: changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())
734:
735: def changeDocumentViewer(self,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=5,authgroups='mpiwg',RESPONSE=None):
736: """init document viewer"""
737: self.title=title
738: self.digilibBaseUrl = digilibBaseUrl
739: self.thumbrows = thumbrows
740: self.thumbcols = thumbcols
741: self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
742: try:
743: # assume MetaDataFolder instance is called metadata
744: self.metadataService = getattr(self, 'metadata')
745: except Exception, e:
746: logging.error("Unable to find MetaDataFolder 'metadata': "+str(e))
747:
748: if RESPONSE is not None:
749: RESPONSE.redirect('manage_main')
750:
751: def manage_AddDocumentViewerForm(self):
752: """add the viewer form"""
753: pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self)
754: return pt()
755:
756: def manage_AddDocumentViewer(self,id,imageScalerUrl="",textServerName="",title="",RESPONSE=None):
757: """add the viewer"""
758: newObj=documentViewer(id,imageScalerUrl=imageScalerUrl,title=title,textServerName=textServerName)
759: self._setObject(id,newObj)
760:
761: if RESPONSE is not None:
762: RESPONSE.redirect('manage_main')
763:
764: ## DocumentViewerTemplate class
765: class DocumentViewerTemplate(ZopePageTemplate):
766: """Template for document viewer"""
767: meta_type="DocumentViewer Template"
768:
769:
770: def manage_addDocumentViewerTemplateForm(self):
771: """Form for adding"""
772: pt=PageTemplateFile('zpt/addDocumentViewerTemplate', globals()).__of__(self)
773: return pt()
774:
775: def manage_addDocumentViewerTemplate(self, id='viewer_main', title=None, text=None,
776: REQUEST=None, submit=None):
777: "Add a Page Template with optional file content."
778:
779: self._setObject(id, DocumentViewerTemplate(id))
780: ob = getattr(self, id)
781: txt=file(os.path.join(package_home(globals()),'zpt/viewer_main.zpt'),'r').read()
782: logging.info("txt %s:"%txt)
783: ob.pt_edit(txt,"text/html")
784: if title:
785: ob.pt_setTitle(title)
786: try:
787: u = self.DestinationURL()
788: except AttributeError:
789: u = REQUEST['URL1']
790:
791: u = "%s/%s" % (u, urllib.quote(id))
792: REQUEST.RESPONSE.redirect(u+'/manage_main')
793: return ''
794:
795:
796:
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