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: if digilibBaseUrl is not None:
180: self.digilibBaseUrl = digilibBaseUrl
181:
182:
183: # proxy text server methods to fulltextclient
184: def getTextPage(self, **args):
185: """get page"""
186: return self.template.fulltextclient.getTextPage(**args)
187:
188: def getOrigPages(self, **args):
189: """get page"""
190: return self.template.fulltextclient.getOrigPages(**args)
191:
192: def getOrigPagesNorm(self, **args):
193: """get page"""
194: return self.template.fulltextclient.getOrigPagesNorm(**args)
195:
196: def getQuery(self, **args):
197: """get query in search"""
198: return self.template.fulltextclient.getQuery(**args)
199:
200: def getSearch(self, **args):
201: """get search"""
202: return self.template.fulltextclient.getSearch(**args)
203:
204: def getGisPlaces(self, **args):
205: """get gis places"""
206: return self.template.fulltextclient.getGisPlaces(**args)
207:
208: def getAllGisPlaces(self, **args):
209: """get all gis places """
210: return self.template.fulltextclient.getAllGisPlaces(**args)
211:
212: def getTranslate(self, **args):
213: """get translate"""
214: return self.template.fulltextclient.getTranslate(**args)
215:
216: def getLemma(self, **args):
217: """get lemma"""
218: return self.template.fulltextclient.getLemma(**args)
219:
220: def getLemmaQuery(self, **args):
221: """get query"""
222: return self.template.fulltextclient.getLemmaQuery(**args)
223:
224: def getLex(self, **args):
225: """get lex"""
226: return self.template.fulltextclient.getLex(**args)
227:
228: def getToc(self, **args):
229: """get toc"""
230: return self.template.fulltextclient.getToc(**args)
231:
232: def getTocPage(self, **args):
233: """get tocpage"""
234: return self.template.fulltextclient.getTocPage(**args)
235:
236:
237: security.declareProtected('View','thumbs_rss')
238: def thumbs_rss(self,mode,url,viewMode="auto",start=None,pn=1):
239: '''
240: view it
241: @param mode: defines how to access the document behind url
242: @param url: url which contains display information
243: @param viewMode: if images display images, if text display text, default is images (text,images or auto)
244:
245: '''
246: logging.debug("HHHHHHHHHHHHHH:load the rss")
247: logging.debug("documentViewer (index) mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn))
248:
249: if not hasattr(self, 'template'):
250: # create template folder if it doesn't exist
251: self.manage_addFolder('template')
252:
253: if not self.digilibBaseUrl:
254: self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
255:
256: docinfo = self.getDocinfo(mode=mode,url=url)
257: #pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo)
258: pageinfo = self.getPageinfo(start=start,current=pn, docinfo=docinfo)
259: ''' ZDES '''
260: pt = getattr(self.template, 'thumbs_main_rss')
261:
262: if viewMode=="auto": # automodus gewaehlt
263: if docinfo.has_key("textURL") or docinfo.get('textURLPath',None): #texturl gesetzt und textViewer konfiguriert
264: viewMode="text"
265: else:
266: viewMode="images"
267:
268: return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode)
269:
270:
271: security.declareProtected('View','index_html')
272: def index_html(self,url,mode="texttool",viewMode="auto",viewType=None,tocMode="thumbs",start=1,pn=1):
273: """
274: view page
275: @param url: url which contains display information
276: @param mode: defines how to access the document behind url
277: @param viewMode: 'images': display images, 'text': display text, default is 'auto'
278: @param viewType: sub-type of viewMode, e.g. 'dict' for viewMode='text'
279: @param tocMode: type of 'table of contents' for navigation (thumbs, text, figures, none)
280: """
281:
282: logging.debug("documentViewer(index_html) mode=%s url=%s viewMode=%s viewType=%s start=%s pn=%s"%(mode,url,viewMode,viewType,start,pn))
283:
284: if not hasattr(self, 'template'):
285: # this won't work
286: logging.error("template folder missing!")
287: return "ERROR: template folder missing!"
288:
289: if not getattr(self, 'digilibBaseUrl', None):
290: self.digilibBaseUrl = self.findDigilibUrl() or "http://digilib.mpiwg-berlin.mpg.de/digitallibrary"
291:
292: docinfo = self.getDocinfo(mode=mode,url=url)
293:
294: if tocMode != "thumbs":
295: # get table of contents
296: docinfo = self.getToc(mode=tocMode, docinfo=docinfo)
297:
298: # auto viewMode: text if there is a text else images
299: if viewMode=="auto":
300: if docinfo.get('textURL', None) or docinfo.get('textURLPath', None):
301: viewMode = "text"
302: viewType = "dict"
303: else:
304: viewMode = "images"
305:
306: elif viewMode == "text_dict":
307: # legacy fix
308: viewMode = "text"
309: viewType = "dict"
310:
311: # stringify viewType
312: if isinstance(viewType, list):
313: viewType = ','.join([t for t in viewType if t])
314:
315: pageinfo = self.getPageinfo(start=start, current=pn, docinfo=docinfo, viewMode=viewMode, viewType=viewType, tocMode=tocMode)
316:
317: # get template /template/viewer_$viewMode
318: pt = getattr(self.template, 'viewer_%s'%viewMode, None)
319: if pt is None:
320: logging.error("No template for viewMode=%s!"%viewMode)
321: # TODO: error page?
322: return "No template for viewMode=%s!"%viewMode
323:
324: # and execute with parameters
325: return pt(docinfo=docinfo, pageinfo=pageinfo)
326:
327: def generateMarks(self,mk):
328: ret=""
329: if mk is None:
330: return ""
331: if not isinstance(mk, list):
332: mk=[mk]
333: for m in mk:
334: ret+="mk=%s"%m
335: return ret
336:
337:
338: def getBrowser(self):
339: """getBrowser the version of browser """
340: bt = browserCheck(self)
341: logging.debug("BROWSER VERSION: %s"%(bt))
342: return bt
343:
344: def findDigilibUrl(self):
345: """try to get the digilib URL from zogilib"""
346: url = self.template.zogilib.getDLBaseUrl()
347: return url
348:
349: def getDocumentViewerURL(self):
350: """returns the URL of this instance"""
351: return self.absolute_url()
352:
353: def getStyle(self, idx, selected, style=""):
354: """returns a string with the given style and append 'sel' if path == selected."""
355: #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style))
356: if idx == selected:
357: return style + 'sel'
358: else:
359: return style
360:
361: def getParams(self, param=None, val=None, params=None):
362: """returns dict with URL parameters.
363:
364: Takes URL parameters and additionally param=val or dict params.
365: Deletes key if value is None."""
366: # copy existing request params
367: newParams=self.REQUEST.form.copy()
368: # change single param
369: if param is not None:
370: if val is None:
371: if newParams.has_key(param):
372: del newParams[param]
373: else:
374: newParams[param] = str(val)
375:
376: # change more params
377: if params is not None:
378: for k in params.keys():
379: v = params[k]
380: if v is None:
381: # val=None removes param
382: if newParams.has_key(k):
383: del newParams[k]
384:
385: else:
386: newParams[k] = v
387:
388: return newParams
389:
390: def getLink(self, param=None, val=None, params=None, baseUrl=None, paramSep='&'):
391: """returns URL to documentviewer with parameter param set to val or from dict params"""
392: urlParams = self.getParams(param=param, val=val, params=params)
393: # quote values and assemble into query string (not escaping '/')
394: ps = paramSep.join(["%s=%s"%(k,urllib.quote_plus(unicode(v),'/')) for (k, v) in urlParams.items()])
395: if baseUrl is None:
396: baseUrl = self.getDocumentViewerURL()
397:
398: url = "%s?%s"%(baseUrl, ps)
399: return url
400:
401: def getLinkAmp(self, param=None, val=None, params=None, baseUrl=None):
402: """link to documentviewer with parameter param set to val"""
403: return self.getLink(param, val, params, baseUrl, '&')
404:
405:
406: def getInfo_xml(self,url,mode):
407: """returns info about the document as XML"""
408: if not self.digilibBaseUrl:
409: self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary"
410:
411: docinfo = self.getDocinfo(mode=mode,url=url)
412: pt = getattr(self.template, 'info_xml')
413: return pt(docinfo=docinfo)
414:
415: def isAccessible(self, docinfo):
416: """returns if access to the resource is granted"""
417: access = docinfo.get('accessType', None)
418: logging.debug("documentViewer (accessOK) access type %s"%access)
419: if access == 'free':
420: logging.debug("documentViewer (accessOK) access is free")
421: return True
422:
423: elif access is None or access in self.authgroups:
424: # only local access -- only logged in users
425: user = getSecurityManager().getUser()
426: logging.debug("documentViewer (accessOK) user=%s ip=%s"%(user,self.REQUEST.getClientAddr()))
427: if user is not None:
428: #print "user: ", user
429: return (user.getUserName() != "Anonymous User")
430: else:
431: return False
432:
433: logging.error("documentViewer (accessOK) unknown access type %s"%access)
434: return False
435:
436:
437:
438: def getDocinfo(self, mode, url):
439: """returns docinfo depending on mode"""
440: logging.debug("getDocinfo: mode=%s, url=%s"%(mode,url))
441: # look for cached docinfo in session
442: if self.REQUEST.SESSION.has_key('docinfo'):
443: docinfo = self.REQUEST.SESSION['docinfo']
444: # check if its still current
445: if docinfo is not None and docinfo.get('mode', None) == mode and docinfo.get('url', None) == url:
446: logging.debug("getDocinfo: docinfo in session. keys=%s"%docinfo.keys())
447: return docinfo
448:
449: # new docinfo
450: docinfo = {'mode': mode, 'url': url}
451: # add self url
452: docinfo['viewerUrl'] = self.getDocumentViewerURL()
453: docinfo['digilibBaseUrl'] = self.digilibBaseUrl
454: # get index.meta DOM
455: docUrl = None
456: metaDom = None
457: if mode=="texttool":
458: # url points to document dir or index.meta
459: metaDom = self.metadataService.getDomFromPathOrUrl(url)
460: docUrl = url.replace('/index.meta', '')
461: if metaDom is None:
462: raise IOError("Unable to find index.meta for mode=texttool!")
463:
464: elif mode=="imagepath":
465: # url points to folder with images, index.meta optional
466: # asssume index.meta in parent dir
467: docUrl = getParentPath(url)
468: metaDom = self.metadataService.getDomFromPathOrUrl(docUrl)
469:
470: elif mode=="filepath":
471: # url points to image file, index.meta optional
472: # asssume index.meta is two path segments up
473: docUrl = getParentPath(url, 2)
474: metaDom = self.metadataService.getDomFromPathOrUrl(docUrl)
475:
476: else:
477: logging.error("documentViewer (getdocinfo) unknown mode: %s!"%mode)
478: raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode))
479:
480: docinfo['documentUrl'] = docUrl
481: # process index.meta contents
482: if metaDom is not None and metaDom.tag == 'resource':
483: # document directory name and path
484: resource = self.metadataService.getResourceData(dom=metaDom)
485: if resource:
486: docinfo = self.getDocinfoFromResource(docinfo, resource)
487:
488: # texttool info
489: texttool = self.metadataService.getTexttoolData(dom=metaDom)
490: if texttool:
491: docinfo = self.getDocinfoFromTexttool(docinfo, texttool)
492:
493: # bib info
494: bib = self.metadataService.getBibData(dom=metaDom)
495: if bib:
496: docinfo = self.getDocinfoFromBib(docinfo, bib)
497: else:
498: # no bib - try info.xml
499: docinfo = self.getDocinfoFromPresentationInfoXml(docinfo)
500:
501: # auth info
502: access = self.metadataService.getAccessData(dom=metaDom)
503: if access:
504: docinfo = self.getDocinfoFromAccess(docinfo, access)
505:
506: # attribution info
507: attribution = self.metadataService.getAttributionData(dom=metaDom)
508: if attribution:
509: logging.debug("getDocinfo: attribution=%s"%repr(attribution))
510: docinfo['attribution'] = attribution
511: #docinfo = self.getDocinfoFromAccess(docinfo, access)
512:
513: # copyright info
514: copyright = self.metadataService.getCopyrightData(dom=metaDom)
515: if copyright:
516: logging.debug("getDocinfo: copyright=%s"%repr(copyright))
517: docinfo['copyright'] = copyright
518: #docinfo = self.getDocinfoFromAccess(docinfo, access)
519:
520: # image path
521: if mode != 'texttool':
522: # override image path from texttool with url
523: docinfo['imagePath'] = url.replace('/mpiwg/online/', '', 1)
524:
525:
526:
527: # number of images from digilib
528: if docinfo.get('imagePath', None):
529: docinfo['imageURL'] = self.digilibBaseUrl + "/servlet/Scaler?fn=" + docinfo['imagePath']
530: docinfo = self.getDocinfoFromDigilib(docinfo, docinfo['imagePath'])
531:
532: logging.debug("documentViewer (getdocinfo) docinfo: keys=%s"%docinfo.keys())
533: #logging.debug("documentViewer (getdocinfo) docinfo: %s"%docinfo)
534: # store in session
535: self.REQUEST.SESSION['docinfo'] = docinfo
536: return docinfo
537:
538: def getDocinfoFromResource(self, docinfo, resource):
539: """reads contents of resource element into docinfo"""
540: docName = resource.get('name', None)
541: docinfo['documentName'] = docName
542: docPath = resource.get('archive-path', None)
543: if docPath:
544: # clean up document path
545: if docPath[0] != '/':
546: docPath = '/' + docPath
547:
548: if docName and (not docPath.endswith(docName)):
549: docPath += "/" + docName
550:
551: else:
552: # use docUrl as docPath
553: docUrl = docinfo['documentURL']
554: if not docUrl.startswith('http:'):
555: docPath = docUrl
556: if docPath:
557: # fix URLs starting with /mpiwg/online
558: docPath = docPath.replace('/mpiwg/online', '', 1)
559:
560: docinfo['documentPath'] = docPath
561: return docinfo
562:
563: def getDocinfoFromTexttool(self, docinfo, texttool):
564: """reads contents of texttool element into docinfo"""
565: # image dir
566: imageDir = texttool.get('image', None)
567: docPath = docinfo.get('documentPath', None)
568: if imageDir and docPath:
569: #print "image: ", imageDir, " archivepath: ", archivePath
570: imageDir = os.path.join(docPath, imageDir)
571: imageDir = imageDir.replace('/mpiwg/online', '', 1)
572: docinfo['imagePath'] = imageDir
573:
574: # old style text URL
575: textUrl = texttool.get('text', None)
576: if textUrl and docPath:
577: if urlparse.urlparse(textUrl)[0] == "": #keine url
578: textUrl = os.path.join(docPath, textUrl)
579:
580: docinfo['textURL'] = textUrl
581:
582: # new style text-url-path
583: textUrl = texttool.get('text-url-path', None)
584: if textUrl:
585: docinfo['textURLPath'] = textUrl
586:
587: # page flow
588: docinfo['pageFlow'] = texttool.get('page-flow', 'ltr')
589:
590: # odd pages are left
591: docinfo['oddPage'] = texttool.get('odd-scan-position', 'left')
592:
593: # number of title page (0: not defined)
594: docinfo['titlePage'] = texttool.get('title-scan-no', 0)
595:
596: # old presentation stuff
597: presentation = texttool.get('presentation', None)
598: if presentation and docPath:
599: if presentation.startswith('http:'):
600: docinfo['presentationUrl'] = presentation
601: else:
602: docinfo['presentationUrl'] = os.path.join(docPath, presentation)
603:
604:
605: return docinfo
606:
607: def getDocinfoFromBib(self, docinfo, bib):
608: """reads contents of bib element into docinfo"""
609: logging.debug("getDocinfoFromBib bib=%s"%repr(bib))
610: # put all raw bib fields in dict "bib"
611: docinfo['bib'] = bib
612: bibtype = bib.get('@type', None)
613: docinfo['bibType'] = bibtype
614: # also store DC metadata for convenience
615: dc = self.metadataService.getDCMappedData(bib)
616: docinfo['creator'] = dc.get('creator',None)
617: docinfo['title'] = dc.get('title',None)
618: docinfo['date'] = dc.get('date',None)
619: return docinfo
620:
621: def getDocinfoFromAccess(self, docinfo, acc):
622: """reads contents of access element into docinfo"""
623: #TODO: also read resource type
624: logging.debug("getDocinfoFromAccess acc=%s"%repr(acc))
625: try:
626: acctype = acc['@attr']['type']
627: if acctype:
628: access=acctype
629: if access in ['group', 'institution']:
630: access = acc['name'].lower()
631:
632: docinfo['accessType'] = access
633:
634: except:
635: pass
636:
637: return docinfo
638:
639: def getDocinfoFromDigilib(self, docinfo, path):
640: infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path
641: # fetch data
642: txt = getHttpData(infoUrl)
643: if not txt:
644: logging.error("Unable to get dir-info from %s"%(infoUrl))
645: return docinfo
646:
647: dom = ET.fromstring(txt)
648: size = getText(dom.find("size"))
649: logging.debug("getDocinfoFromDigilib: size=%s"%size)
650: if size:
651: docinfo['numPages'] = int(size)
652: else:
653: docinfo['numPages'] = 0
654:
655: # TODO: produce and keep list of image names and numbers
656: return docinfo
657:
658:
659: def getDocinfoFromPresentationInfoXml(self,docinfo):
660: """gets DC-like bibliographical information from the presentation entry in texttools"""
661: url = docinfo.get('presentationUrl', None)
662: if not url:
663: logging.error("getDocinfoFromPresentation: no URL!")
664: return docinfo
665:
666: dom = None
667: metaUrl = None
668: if url.startswith("http://"):
669: # real URL
670: metaUrl = url
671: else:
672: # online path
673:
674: server=self.digilibBaseUrl+"/servlet/Texter?fn="
675: metaUrl=server+url
676:
677: txt=getHttpData(metaUrl)
678: if txt is None:
679: logging.error("Unable to read info.xml from %s"%(url))
680: return docinfo
681:
682: dom = ET.fromstring(txt)
683: docinfo['creator']=getText(dom.find(".//author"))
684: docinfo['title']=getText(dom.find(".//title"))
685: docinfo['date']=getText(dom.find(".//date"))
686: return docinfo
687:
688:
689: def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None, viewMode=None, viewType=None, tocMode=None):
690: """returns pageinfo with the given parameters"""
691: pageinfo = {}
692: pageinfo['viewMode'] = viewMode
693: pageinfo['viewType'] = viewType
694: pageinfo['tocMode'] = tocMode
695:
696: current = getInt(current)
697: pageinfo['current'] = current
698: rows = int(rows or self.thumbrows)
699: pageinfo['rows'] = rows
700: cols = int(cols or self.thumbcols)
701: pageinfo['cols'] = cols
702: grpsize = cols * rows
703: pageinfo['groupsize'] = grpsize
704: # is start is empty use one around current
705: start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1)))
706: # int(current / grpsize) * grpsize +1))
707: pageinfo['start'] = start
708: pn = self.REQUEST.get('pn','1')
709: pageinfo['pn'] = pn
710: np = int(docinfo.get('numPages', 0))
711: if np == 0:
712: # numPages unknown - maybe we can get it from text page
713: if docinfo.get('textURLPath', None):
714: # cache text page as well
715: pageinfo['textPage'] = self.getTextPage(mode=viewType, pn=pn, docinfo=docinfo, pageinfo=pageinfo)
716: np = int(docinfo.get('numPages', 0))
717:
718: pageinfo['numgroups'] = int(np / grpsize)
719: if np % grpsize > 0:
720: pageinfo['numgroups'] += 1
721:
722: pageFlowLtr = docinfo.get('pageFlow', 'ltr') != 'rtl'
723: oddScanLeft = docinfo.get('oddPage', 'left') != 'right'
724: # add zeroth page for two columns
725: pageZero = (cols == 2 and (pageFlowLtr != oddScanLeft))
726: pageinfo['pageZero'] = pageZero
727: pageinfo['pageList'] = self.getPageList(start=start, rows=rows, cols=cols, pageFlowLtr=pageFlowLtr, pageZero=pageZero, minIdx=1, maxIdx=np)
728:
729: pageinfo['characterNormalization'] = self.REQUEST.get('characterNormalization','reg')
730: pageinfo['query'] = self.REQUEST.get('query','')
731: pageinfo['queryType'] = self.REQUEST.get('queryType','')
732: pageinfo['querySearch'] =self.REQUEST.get('querySearch', 'fulltext')
733: pageinfo['highlightQuery'] = self.REQUEST.get('highlightQuery','')
734: pageinfo['tocPageSize'] = getInt(self.REQUEST.get('tocPageSize', 30))
735: pageinfo['queryPageSize'] = getInt(self.REQUEST.get('queryPageSize', 10))
736: pageinfo['tocPN'] = getInt(self.REQUEST.get('tocPN', '1'))
737: pageinfo['searchPN'] = getInt(self.REQUEST.get('searchPN','1'))
738:
739: # limit tocPN
740: if 'tocSize_%s'%tocMode in docinfo:
741: tocSize = docinfo['tocSize_%s'%tocMode]
742: tocPageSize = pageinfo['tocPageSize']
743: # cached toc
744: if tocSize%tocPageSize>0:
745: tocPages=tocSize/tocPageSize+1
746: else:
747: tocPages=tocSize/tocPageSize
748:
749: pageinfo['tocPN'] = min(tocPages,pageinfo['tocPN'])
750:
751: return pageinfo
752:
753:
754: def getPageList(self, start=None, rows=None, cols=None, pageFlowLtr=True, pageZero=False, minIdx=1, maxIdx=0):
755: """returns array of page informations for one screenfull of thumbnails"""
756: if maxIdx == 0:
757: maxIdx = start + rows * cols
758:
759: pages = []
760: if pageZero and start == 1:
761: # correct beginning
762: idx = 0
763: else:
764: idx = start
765:
766: for r in range(rows):
767: row = []
768: for c in range(cols):
769: if idx < minIdx or idx > maxIdx:
770: page = {'idx':None}
771: else:
772: page = {'idx':idx}
773:
774: idx += 1
775: if pageFlowLtr:
776: row.append(page)
777: else:
778: row.insert(0, page)
779:
780: pages.append(row)
781:
782: logging.debug("getPageList returns=%s"%(pages))
783: return pages
784:
785:
786: security.declareProtected('View management screens','changeDocumentViewerForm')
787: changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals())
788:
789: def changeDocumentViewer(self,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=5,authgroups='mpiwg',RESPONSE=None):
790: """init document viewer"""
791: self.title=title
792: self.digilibBaseUrl = digilibBaseUrl
793: self.thumbrows = thumbrows
794: self.thumbcols = thumbcols
795: self.authgroups = [s.strip().lower() for s in authgroups.split(',')]
796: try:
797: # assume MetaDataFolder instance is called metadata
798: self.metadataService = getattr(self, 'metadata')
799: except Exception, e:
800: logging.error("Unable to find MetaDataFolder 'metadata': "+str(e))
801:
802: if RESPONSE is not None:
803: RESPONSE.redirect('manage_main')
804:
805: def manage_AddDocumentViewerForm(self):
806: """add the viewer form"""
807: pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self)
808: return pt()
809:
810: def manage_AddDocumentViewer(self,id,imageScalerUrl="",textServerName="",title="",RESPONSE=None):
811: """add the viewer"""
812: newObj=documentViewer(id,imageScalerUrl=imageScalerUrl,title=title,textServerName=textServerName)
813: self._setObject(id,newObj)
814:
815: if RESPONSE is not None:
816: RESPONSE.redirect('manage_main')
817:
818: ## DocumentViewerTemplate class
819: class DocumentViewerTemplate(ZopePageTemplate):
820: """Template for document viewer"""
821: meta_type="DocumentViewer Template"
822:
823:
824: def manage_addDocumentViewerTemplateForm(self):
825: """Form for adding"""
826: pt=PageTemplateFile('zpt/addDocumentViewerTemplate', globals()).__of__(self)
827: return pt()
828:
829: def manage_addDocumentViewerTemplate(self, id='viewer_main', title=None, text=None,
830: REQUEST=None, submit=None):
831: "Add a Page Template with optional file content."
832:
833: self._setObject(id, DocumentViewerTemplate(id))
834: ob = getattr(self, id)
835: txt=file(os.path.join(package_home(globals()),'zpt/viewer_main.zpt'),'r').read()
836: logging.info("txt %s:"%txt)
837: ob.pt_edit(txt,"text/html")
838: if title:
839: ob.pt_setTitle(title)
840: try:
841: u = self.DestinationURL()
842: except AttributeError:
843: u = REQUEST['URL1']
844:
845: u = "%s/%s" % (u, urllib.quote(id))
846: REQUEST.RESPONSE.redirect(u+'/manage_main')
847: return ''
848:
849:
850:
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