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",tocMode="thumbs",start=None,pn=1,mk=None):
270: """
271: view it
272: @param mode: defines how to access the document behind url
273: @param url: url which contains display information
274: @param viewMode: if images display images, if text display text, default is auto (text,images or auto)
275: @param tocMode: type of 'table of contents' for navigation (thumbs, text, figures, none)
276: """
277:
278: logging.debug("documentViewer (index) mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
279:
280: if not hasattr(self, 'template'):
281: # this won't work
282: logging.error("template folder missing!")
283: return "ERROR: template folder missing!"
284:
285: if not getattr(self, 'digilibBaseUrl', None):
286: self.digilibBaseUrl = self.findDigilibUrl() or "http://digilib.mpiwg-berlin.mpg.de/digitallibrary"
287:
288: docinfo = self.getDocinfo(mode=mode,url=url)
289:
290: if tocMode != "thumbs":
291: # get table of contents
292: docinfo = self.getToc(mode=tocMode, docinfo=docinfo)
293:
294: # auto viewMode: text_dict if text else images
295: if viewMode=="auto":
296: if docinfo.get('textURL', None) or docinfo.get('textURLPath', None):
297: viewMode="text_dict"
298: else:
299: viewMode="images"
300:
301: pageinfo = self.getPageinfo(start=start, current=pn, docinfo=docinfo, viewMode=viewMode, tocMode=tocMode)
302:
303: if viewMode != 'images' and docinfo.get('textURLPath', None):
304: # get full text page
305: page = self.getTextPage(mode=viewMode, pn=pn, docinfo=docinfo, pageinfo=pageinfo)
306: pageinfo['textPage'] = page
307:
308: # get template /template/viewer_main
309: pt = getattr(self.template, 'viewer_main')
310: # and execute with parameters
311: return pt(docinfo=docinfo, pageinfo=pageinfo, viewMode=viewMode, mk=self.generateMarks(mk))
312:
313: def generateMarks(self,mk):
314: ret=""
315: if mk is None:
316: return ""
317: if not isinstance(mk, list):
318: mk=[mk]
319: for m in mk:
320: ret+="mk=%s"%m
321: return ret
322:
323:
324: def getBrowser(self):
325: """getBrowser the version of browser """
326: bt = browserCheck(self)
327: logging.debug("BROWSER VERSION: %s"%(bt))
328: return bt
329:
330: def findDigilibUrl(self):
331: """try to get the digilib URL from zogilib"""
332: url = self.template.zogilib.getDLBaseUrl()
333: return url
334:
335: def getDocumentViewerURL(self):
336: """returns the URL of this instance"""
337: return self.absolute_url()
338:
339: def getStyle(self, idx, selected, style=""):
340: """returns a string with the given style and append 'sel' if path == selected."""
341: #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))
342: if idx == selected:
343: return style + 'sel'
344: else:
345: return style
346:
347: def getLink(self, param=None, val=None, params=None, baseUrl=None, paramSep='&'):
348: """returns URL to documentviewer with parameter param set to val or from dict params"""
349: # copy existing request params
350: urlParams=self.REQUEST.form.copy()
351: # change single param
352: if param is not None:
353: if val is None:
354: if urlParams.has_key(param):
355: del urlParams[param]
356: else:
357: urlParams[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 urlParams.has_key(k):
366: del urlParams[k]
367:
368: else:
369: urlParams[k] = v
370:
371: # FIXME: does this belong here?
372: if urlParams.get("mode", None) == "filepath": #wenn beim erst Aufruf filepath gesetzt wurde aendere das nun zu imagepath
373: urlParams["mode"] = "imagepath"
374: urlParams["url"] = getParentPath(urlParams["url"])
375:
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: #ps = urllib.urlencode(urlParams)
379: if baseUrl is None:
380: baseUrl = self.REQUEST['URL1']
381:
382: url = "%s?%s"%(baseUrl, ps)
383: return url
384:
385:
386: def getLinkAmp(self, param=None, val=None, params=None, baseUrl=None):
387: """link to documentviewer with parameter param set to val"""
388: return self.getLink(param, val, params, baseUrl, '&')
389:
390: def getInfo_xml(self,url,mode):
391: """returns info about the document as XML"""
392: if not self.digilibBaseUrl:
393: self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
394:
395: docinfo = self.getDocinfo(mode=mode,url=url)
396: pt = getattr(self.template, 'info_xml')
397: return pt(docinfo=docinfo)
398:
399: def isAccessible(self, docinfo):
400: """returns if access to the resource is granted"""
401: access = docinfo.get('accessType', None)
402: logging.debug("documentViewer (accessOK) access type %s"%access)
403: if access == 'free':
404: logging.debug("documentViewer (accessOK) access is free")
405: return True
406:
407: elif access is None or access in self.authgroups:
408: # only local access -- only logged in users
409: user = getSecurityManager().getUser()
410: logging.debug("documentViewer (accessOK) user=%s ip=%s"%(user,self.REQUEST.getClientAddr()))
411: if user is not None:
412: #print "user: ", user
413: return (user.getUserName() != "Anonymous User")
414: else:
415: return False
416:
417: logging.error("documentViewer (accessOK) unknown access type %s"%access)
418: return False
419:
420:
421:
422: def getDocinfo(self, mode, url):
423: """returns docinfo depending on mode"""
424: logging.debug("getDocinfo: mode=%s, url=%s"%(mode,url))
425: # look for cached docinfo in session
426: if self.REQUEST.SESSION.has_key('docinfo'):
427: docinfo = self.REQUEST.SESSION['docinfo']
428: # check if its still current
429: if docinfo is not None and docinfo.get('mode', None) == mode and docinfo.get('url', None) == url:
430: logging.debug("getDocinfo: docinfo in session. keys=%s"%docinfo.keys())
431: return docinfo
432:
433: # new docinfo
434: docinfo = {'mode': mode, 'url': url}
435: # add self url
436: docinfo['viewerUrl'] = self.getDocumentViewerURL()
437: # get index.meta DOM
438: docUrl = None
439: metaDom = None
440: if mode=="texttool":
441: # url points to document dir or index.meta
442: metaDom = self.metadataService.getDomFromPathOrUrl(url)
443: docUrl = url.replace('/index.meta', '')
444: if metaDom is None:
445: raise IOError("Unable to find index.meta for mode=texttool!")
446:
447: elif mode=="imagepath":
448: # url points to folder with images, index.meta optional
449: # asssume index.meta in parent dir
450: docUrl = getParentPath(url)
451: metaDom = self.metadataService.getDomFromPathOrUrl(docUrl)
452:
453: elif mode=="filepath":
454: # url points to image file, index.meta optional
455: # asssume index.meta is two path segments up
456: docUrl = getParentPath(url, 2)
457: metaDom = self.metadataService.getDomFromPathOrUrl(docUrl)
458:
459: else:
460: logging.error("documentViewer (getdocinfo) unknown mode: %s!"%mode)
461: raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode))
462:
463: docinfo['documentUrl'] = docUrl
464: # process index.meta contents
465: if metaDom is not None:
466: # document directory name and path
467: logging.debug("RESOURCE: %s"%repr(self.metadataService.resource.meta.getData(dom=metaDom, all=True, recursive=2)))
468: resource = self.metadataService.getResourceData(dom=metaDom)
469: if resource:
470: docinfo = self.getDocinfoFromResource(docinfo, resource)
471:
472: # texttool info
473: texttool = self.metadataService.getTexttoolData(dom=metaDom)
474: if texttool:
475: docinfo = self.getDocinfoFromTexttool(docinfo, texttool)
476:
477: # bib info
478: bib = self.metadataService.getBibData(dom=metaDom)
479: if bib:
480: docinfo = self.getDocinfoFromBib(docinfo, bib)
481: else:
482: # no bib - try info.xml
483: docinfo = self.getDocinfoFromPresentationInfoXml(docinfo)
484:
485: # auth info
486: access = self.metadataService.getAccessData(dom=metaDom)
487: if access:
488: docinfo = self.getDocinfoFromAccess(docinfo, access)
489:
490: # attribution info
491: attribution = self.metadataService.getAttributionData(dom=metaDom)
492: if attribution:
493: logging.debug("getDocinfo: attribution=%s"%repr(attribution))
494: docinfo['attribution'] = attribution
495: #docinfo = self.getDocinfoFromAccess(docinfo, access)
496:
497: # copyright info
498: copyright = self.metadataService.getCopyrightData(dom=metaDom)
499: if copyright:
500: logging.debug("getDocinfo: copyright=%s"%repr(copyright))
501: docinfo['copyright'] = copyright
502: #docinfo = self.getDocinfoFromAccess(docinfo, access)
503:
504: # image path
505: if mode != 'texttool':
506: # override image path from texttool
507: docinfo['imagePath'] = url.replace('/mpiwg/online/', '', 1)
508:
509: # number of images from digilib
510: if docinfo.get('imagePath', None):
511: docinfo['imageURL'] = self.digilibBaseUrl + "/servlet/Scaler?fn=" + docinfo['imagePath']
512: docinfo = self.getDocinfoFromDigilib(docinfo, docinfo['imagePath'])
513:
514: logging.debug("documentViewer (getdocinfo) docinfo: keys=%s"%docinfo.keys())
515: #logging.debug("documentViewer (getdocinfo) docinfo: %s"%docinfo)
516: # store in session
517: self.REQUEST.SESSION['docinfo'] = docinfo
518: return docinfo
519:
520: def getDocinfoFromResource(self, docinfo, resource):
521: """reads contents of resource element into docinfo"""
522: docName = resource.get('name', None)
523: docinfo['documentName'] = docName
524: docPath = resource.get('archive-path', None)
525: if docPath:
526: # clean up document path
527: if docPath[0] != '/':
528: docPath = '/' + docPath
529:
530: if docName and (not docPath.endswith(docName)):
531: docPath += "/" + docName
532:
533: else:
534: # use docUrl as docPath
535: docUrl = docinfo['documentURL']
536: if not docUrl.startswith('http:'):
537: docPath = docUrl
538: if docPath:
539: # fix URLs starting with /mpiwg/online
540: docPath = docPath.replace('/mpiwg/online', '', 1)
541:
542: docinfo['documentPath'] = docPath
543: return docinfo
544:
545: def getDocinfoFromTexttool(self, docinfo, texttool):
546: """reads contents of texttool element into docinfo"""
547: # image dir
548: imageDir = texttool.get('image', None)
549: docPath = docinfo.get('documentPath', None)
550: if imageDir and docPath:
551: #print "image: ", imageDir, " archivepath: ", archivePath
552: imageDir = os.path.join(docPath, imageDir)
553: imageDir = imageDir.replace('/mpiwg/online', '', 1)
554: docinfo['imagePath'] = imageDir
555:
556: # old style text URL
557: textUrl = texttool.get('text', None)
558: if textUrl and docPath:
559: if urlparse.urlparse(textUrl)[0] == "": #keine url
560: textUrl = os.path.join(docPath, textUrl)
561:
562: docinfo['textURL'] = textUrl
563:
564: # new style text-url-path
565: textUrl = texttool.get('text-url-path', None)
566: if textUrl:
567: docinfo['textURLPath'] = textUrl
568:
569: # page flow
570: docinfo['pageFlow'] = texttool.get('page-flow', 'ltr')
571:
572: # odd pages are left
573: docinfo['oddPage'] = texttool.get('odd-scan-orientation', 'left')
574:
575: # number of title page
576: docinfo['titlePage'] = texttool.get('title-scan-no', 0)
577:
578: # old presentation stuff
579: presentation = texttool.get('presentation', None)
580: if presentation and docPath:
581: if presentation.startswith('http:'):
582: docinfo['presentationUrl'] = presentation
583: else:
584: docinfo['presentationUrl'] = os.path.join(docPath, presentation)
585:
586:
587: return docinfo
588:
589: def getDocinfoFromBib(self, docinfo, bib):
590: """reads contents of bib element into docinfo"""
591: logging.debug("getDocinfoFromBib bib=%s"%repr(bib))
592: # put all raw bib fields in dict "bib"
593: docinfo['bib'] = bib
594: bibtype = bib.get('@type', None)
595: docinfo['bibType'] = bibtype
596: # also store DC metadata for convenience
597: dc = self.metadataService.getDCMappedData(bib)
598: docinfo['creator'] = dc.get('creator',None)
599: docinfo['title'] = dc.get('title',None)
600: docinfo['date'] = dc.get('date',None)
601: return docinfo
602:
603: def getDocinfoFromAccess(self, docinfo, acc):
604: """reads contents of access element into docinfo"""
605: #TODO: also read resource type
606: logging.debug("getDocinfoFromAccess acc=%s"%repr(acc))
607: try:
608: acctype = acc['@attr']['type']
609: if acctype:
610: access=acctype
611: if access in ['group', 'institution']:
612: access = acc['name'].lower()
613:
614: docinfo['accessType'] = access
615:
616: except:
617: pass
618:
619: return docinfo
620:
621: def getDocinfoFromDigilib(self, docinfo, path):
622: infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path
623: # fetch data
624: txt = getHttpData(infoUrl)
625: if not txt:
626: logging.error("Unable to get dir-info from %s"%(infoUrl))
627: return docinfo
628:
629: dom = ET.fromstring(txt)
630: size = getText(dom.find("size"))
631: logging.debug("getDocinfoFromDigilib: size=%s"%size)
632: if size:
633: docinfo['numPages'] = int(size)
634: else:
635: docinfo['numPages'] = 0
636:
637: # TODO: produce and keep list of image names and numbers
638: return docinfo
639:
640:
641: def getDocinfoFromPresentationInfoXml(self,docinfo):
642: """gets DC-like bibliographical information from the presentation entry in texttools"""
643: url = docinfo.get('presentationUrl', None)
644: if not url:
645: logging.error("getDocinfoFromPresentation: no URL!")
646: return docinfo
647:
648: dom = None
649: metaUrl = None
650: if url.startswith("http://"):
651: # real URL
652: metaUrl = url
653: else:
654: # online path
655:
656: server=self.digilibBaseUrl+"/servlet/Texter?fn="
657: metaUrl=server+url
658:
659: txt=getHttpData(metaUrl)
660: if txt is None:
661: logging.error("Unable to read info.xml from %s"%(url))
662: return docinfo
663:
664: dom = ET.fromstring(txt)
665: docinfo['creator']=getText(dom.find(".//author"))
666: docinfo['title']=getText(dom.find(".//title"))
667: docinfo['date']=getText(dom.find(".//date"))
668: return docinfo
669:
670:
671: def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None, viewMode=None, tocMode=None):
672: """returns pageinfo with the given parameters"""
673: pageinfo = {}
674: current = getInt(current)
675:
676: pageinfo['current'] = current
677: rows = int(rows or self.thumbrows)
678: pageinfo['rows'] = rows
679: cols = int(cols or self.thumbcols)
680: pageinfo['cols'] = cols
681: grpsize = cols * rows
682: pageinfo['groupsize'] = grpsize
683: # what does this do?
684: start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1)))
685: # int(current / grpsize) * grpsize +1))
686: pageinfo['start'] = start
687: pageinfo['end'] = start + grpsize
688: if (docinfo is not None) and ('numPages' in docinfo):
689: np = int(docinfo['numPages'])
690: pageinfo['end'] = min(pageinfo['end'], np)
691: pageinfo['numgroups'] = int(np / grpsize)
692: if np % grpsize > 0:
693: pageinfo['numgroups'] += 1
694:
695: pageinfo['viewMode'] = viewMode
696: pageinfo['tocMode'] = tocMode
697: pageinfo['characterNormalization'] = self.REQUEST.get('characterNormalization','reg')
698: #pageinfo['optionToggle'] = self.REQUEST.get('optionToggle','1')
699: pageinfo['query'] = self.REQUEST.get('query','')
700: pageinfo['queryType'] = self.REQUEST.get('queryType','')
701: pageinfo['querySearch'] =self.REQUEST.get('querySearch', 'fulltext')
702: pageinfo['textPN'] = self.REQUEST.get('textPN','1')
703: pageinfo['highlightQuery'] = self.REQUEST.get('highlightQuery','')
704: pageinfo['tocPageSize'] = self.REQUEST.get('tocPageSize', '30')
705: pageinfo['queryPageSize'] =self.REQUEST.get('queryPageSize', '10')
706: pageinfo['tocPN'] = self.REQUEST.get('tocPN', '1')
707: # WTF?:
708: toc = int(pageinfo['tocPN'])
709: pageinfo['textPages'] =int(toc)
710:
711: # What does this do?
712: if 'tocSize_%s'%tocMode in docinfo:
713: tocSize = int(docinfo['tocSize_%s'%tocMode])
714: tocPageSize = int(pageinfo['tocPageSize'])
715: # cached toc
716: if tocSize%tocPageSize>0:
717: tocPages=tocSize/tocPageSize+1
718: else:
719: tocPages=tocSize/tocPageSize
720:
721: pageinfo['tocPN'] = min(tocPages,toc)
722:
723: pageinfo['searchPN'] =self.REQUEST.get('searchPN','1')
724: pageinfo['sn'] =self.REQUEST.get('sn','')
725: return pageinfo
726:
727:
728: security.declareProtected('View management screens','changeDocumentViewerForm')
729: changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())
730:
731: def changeDocumentViewer(self,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=5,authgroups='mpiwg',RESPONSE=None):
732: """init document viewer"""
733: self.title=title
734: self.digilibBaseUrl = digilibBaseUrl
735: self.thumbrows = thumbrows
736: self.thumbcols = thumbcols
737: self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
738: try:
739: # assume MetaDataFolder instance is called metadata
740: self.metadataService = getattr(self, 'metadata')
741: except Exception, e:
742: logging.error("Unable to find MetaDataFolder 'metadata': "+str(e))
743:
744: if RESPONSE is not None:
745: RESPONSE.redirect('manage_main')
746:
747: def manage_AddDocumentViewerForm(self):
748: """add the viewer form"""
749: pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self)
750: return pt()
751:
752: def manage_AddDocumentViewer(self,id,imageScalerUrl="",textServerName="",title="",RESPONSE=None):
753: """add the viewer"""
754: newObj=documentViewer(id,imageScalerUrl=imageScalerUrl,title=title,textServerName=textServerName)
755: self._setObject(id,newObj)
756:
757: if RESPONSE is not None:
758: RESPONSE.redirect('manage_main')
759:
760: ## DocumentViewerTemplate class
761: class DocumentViewerTemplate(ZopePageTemplate):
762: """Template for document viewer"""
763: meta_type="DocumentViewer Template"
764:
765:
766: def manage_addDocumentViewerTemplateForm(self):
767: """Form for adding"""
768: pt=PageTemplateFile('zpt/addDocumentViewerTemplate', globals()).__of__(self)
769: return pt()
770:
771: def manage_addDocumentViewerTemplate(self, id='viewer_main', title=None, text=None,
772: REQUEST=None, submit=None):
773: "Add a Page Template with optional file content."
774:
775: self._setObject(id, DocumentViewerTemplate(id))
776: ob = getattr(self, id)
777: txt=file(os.path.join(package_home(globals()),'zpt/viewer_main.zpt'),'r').read()
778: logging.info("txt %s:"%txt)
779: ob.pt_edit(txt,"text/html")
780: if title:
781: ob.pt_setTitle(title)
782: try:
783: u = self.DestinationURL()
784: except AttributeError:
785: u = REQUEST['URL1']
786:
787: u = "%s/%s" % (u, urllib.quote(id))
788: REQUEST.RESPONSE.redirect(u+'/manage_main')
789: return ''
790:
791:
792:
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