1: from Products.PageTemplates.PageTemplateFile import PageTemplateFile
2: from Products.PageTemplates.PageTemplate import PageTemplate
3: from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
4: from OFS.Image import Image
5: from webdav.common import rfc1123_date
6:
7: import xml.dom.minidom
8: from OFS.Folder import Folder
9: from xml_helpers import getUniqueElementText,getText
10: import os
11: import re
12: import string
13: import urllib
14: import types
15: import random
16: from Globals import package_home
17:
18: ZOGIVERSION = "0.9.10b ROC:12.10.2004"
19:
20: def cropf(f):
21: """returns a float with reduced precision"""
22: return float(int(f * 10000)/10000.0)
23:
24:
25: def sendFile(self, filename, type):
26: """sends an object or a local file (from the product) as response"""
27: paths = filename.split('/')
28: object = self
29: # look for an object called filename
30: for path in paths:
31: if hasattr(object, path):
32: object = getattr(object, path)
33: else:
34: object = None
35: break
36: if object:
37: # if the object exists then send it
38: return object.index_html(self.REQUEST.REQUEST, self.REQUEST.RESPONSE)
39: else:
40: # send a local file with the given content-type
41: fn = os.path.join(package_home(globals()), filename)
42: self.REQUEST.RESPONSE.setHeader("Content-Type", type)
43: self.REQUEST.RESPONSE.write(file(fn).read())
44: return
45:
46: def browserCheck(self):
47: """check the browsers request to find out the browser type"""
48: bt = {}
49: ua = self.REQUEST.get_header("HTTP_USER_AGENT")
50: bt['ua'] = ua
51: bt['isIE'] = string.find(ua, 'MSIE') > -1
52: bt['isN4'] = (string.find(ua, 'Mozilla/4.') > -1) and not bt['isIE']
53: nav = ua[string.find(ua, '('):]
54: ie = string.split(nav, "; ")[1]
55: if string.find(ie, "MSIE") > -1:
56: bt['versIE'] = string.split(ie, " ")[1]
57: bt['isMac'] = string.find(ua, 'Macintosh') > -1
58: bt['isWin'] = string.find(ua, 'Windows') > -1
59: bt['isIEWin'] = bt['isIE'] and bt['isWin']
60: bt['isIEMac'] = bt['isIE'] and bt['isMac']
61: bt['staticHTML'] = False
62:
63: return bt
64:
65:
66: class zogiImage(Image):
67: """einzelnes Image"""
68: meta_type="zogiImage"
69:
70: manage_options=ZopePageTemplate.manage_options+(
71: {'label':'Main config','action':'changeZogiImageForm'},
72: )
73:
74:
75: def __init__(self,id,title,baseUrl,queryString,content_type='',precondition=''):
76: """init"""
77: self.id=id
78: self.title=title
79: if baseUrl:
80: self.baseUrl=baseUrl
81: else:
82: self.baseUrl="http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary/servlet/Scaler?"
83:
84: self.queryString=queryString
85: self.content_type=content_type
86: self.precondition=precondition
87:
88: def getData(self):
89: """getUrlData"""
90: return urllib.urlopen(self.baseUrl+self.queryString)
91:
92: def changeZogiImageForm(self):
93: """Main configuration"""
94: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/changeZogiImageForm.zpt')).__of__(self)
95: return pt()
96:
97: def changeZogiImage(self,title,baseUrl, queryString,RESPONSE=None):
98: """change it"""
99: self.title=title
100: self.baseUrl=baseUrl
101: self.queryString=queryString
102:
103: if RESPONSE is not None:
104: RESPONSE.redirect('manage_main')
105:
106: def index_html(self, REQUEST, RESPONSE):
107: """service the request by redirecting to digilib server"""
108: print "REDIRECT: ", self.baseUrl+self.queryString
109: RESPONSE.redirect(self.baseUrl+self.queryString)
110: return ''
111:
112: def index_html2(self, REQUEST, RESPONSE):
113: """
114: Modified version of OFS/Image.py
115:
116: The default view of the contents of a File or Image.
117:
118: Returns the contents of the file or image. Also, sets the
119: Content-Type HTTP header to the objects content type.
120: """
121:
122: # HTTP If-Modified-Since header handling.
123: header=REQUEST.get_header('If-Modified-Since', None)
124: if header is not None:
125: header=header.split( ';')[0]
126: # Some proxies seem to send invalid date strings for this
127: # header. If the date string is not valid, we ignore it
128: # rather than raise an error to be generally consistent
129: # with common servers such as Apache (which can usually
130: # understand the screwy date string as a lucky side effect
131: # of the way they parse it).
132: # This happens to be what RFC2616 tells us to do in the face of an
133: # invalid date.
134: try: mod_since=long(DateTime(header).timeTime())
135: except: mod_since=None
136: if mod_since is not None:
137: if self._p_mtime:
138: last_mod = long(self._p_mtime)
139: else:
140: last_mod = long(0)
141: if last_mod > 0 and last_mod <= mod_since:
142: # Set header values since apache caching will return Content-Length
143: # of 0 in response if size is not set here
144: RESPONSE.setHeader('Last-Modified', rfc1123_date(self._p_mtime))
145: RESPONSE.setHeader('Content-Type', self.content_type)
146: RESPONSE.setHeader('Content-Length', self.size)
147: RESPONSE.setHeader('Accept-Ranges', 'bytes')
148: self.ZCacheable_set(None)
149: RESPONSE.setStatus(304)
150: return ''
151:
152: if self.precondition and hasattr(self,self.precondition):
153: # Grab whatever precondition was defined and then
154: # execute it. The precondition will raise an exception
155: # if something violates its terms.
156: c=getattr(self,self.precondition)
157: if hasattr(c,'isDocTemp') and c.isDocTemp:
158: c(REQUEST['PARENTS'][1],REQUEST)
159: else:
160: c()
161:
162: # HTTP Range header handling
163: range = REQUEST.get_header('Range', None)
164: request_range = REQUEST.get_header('Request-Range', None)
165: if request_range is not None:
166: # Netscape 2 through 4 and MSIE 3 implement a draft version
167: # Later on, we need to serve a different mime-type as well.
168: range = request_range
169: if_range = REQUEST.get_header('If-Range', None)
170: if range is not None:
171: ranges = HTTPRangeSupport.parseRange(range)
172:
173: if if_range is not None:
174: # Only send ranges if the data isn't modified, otherwise send
175: # the whole object. Support both ETags and Last-Modified dates!
176: if len(if_range) > 1 and if_range[:2] == 'ts':
177: # ETag:
178: if if_range != self.http__etag():
179: # Modified, so send a normal response. We delete
180: # the ranges, which causes us to skip to the 200
181: # response.
182: ranges = None
183: else:
184: # Date
185: date = if_range.split( ';')[0]
186: try: mod_since=long(DateTime(date).timeTime())
187: except: mod_since=None
188: if mod_since is not None:
189: if self._p_mtime:
190: last_mod = long(self._p_mtime)
191: else:
192: last_mod = long(0)
193: if last_mod > mod_since:
194: # Modified, so send a normal response. We delete
195: # the ranges, which causes us to skip to the 200
196: # response.
197: ranges = None
198:
199: if ranges:
200: # Search for satisfiable ranges.
201: satisfiable = 0
202: for start, end in ranges:
203: if start < self.size:
204: satisfiable = 1
205: break
206:
207: if not satisfiable:
208: RESPONSE.setHeader('Content-Range',
209: 'bytes */%d' % self.size)
210: RESPONSE.setHeader('Accept-Ranges', 'bytes')
211: RESPONSE.setHeader('Last-Modified',
212: rfc1123_date(self._p_mtime))
213: RESPONSE.setHeader('Content-Type', self.content_type)
214: RESPONSE.setHeader('Content-Length', self.size)
215: RESPONSE.setStatus(416)
216: return ''
217:
218: ranges = HTTPRangeSupport.expandRanges(ranges, self.size)
219:
220: if len(ranges) == 1:
221: # Easy case, set extra header and return partial set.
222: start, end = ranges[0]
223: size = end - start
224:
225: RESPONSE.setHeader('Last-Modified',
226: rfc1123_date(self._p_mtime))
227: RESPONSE.setHeader('Content-Type', self.content_type)
228: RESPONSE.setHeader('Content-Length', size)
229: RESPONSE.setHeader('Accept-Ranges', 'bytes')
230: RESPONSE.setHeader('Content-Range',
231: 'bytes %d-%d/%d' % (start, end - 1, self.size))
232: RESPONSE.setStatus(206) # Partial content
233:
234: data = urllib.urlopen(self.baseUrl+self.queryString).read()
235: if type(data) is StringType:
236: return data[start:end]
237:
238: # Linked Pdata objects. Urgh.
239: pos = 0
240: while data is not None:
241: l = len(data.data)
242: pos = pos + l
243: if pos > start:
244: # We are within the range
245: lstart = l - (pos - start)
246:
247: if lstart < 0: lstart = 0
248:
249: # find the endpoint
250: if end <= pos:
251: lend = l - (pos - end)
252:
253: # Send and end transmission
254: RESPONSE.write(data[lstart:lend])
255: break
256:
257: # Not yet at the end, transmit what we have.
258: RESPONSE.write(data[lstart:])
259:
260: data = data.next
261:
262: return ''
263:
264: else:
265: boundary = choose_boundary()
266:
267: # Calculate the content length
268: size = (8 + len(boundary) + # End marker length
269: len(ranges) * ( # Constant lenght per set
270: 49 + len(boundary) + len(self.content_type) +
271: len('%d' % self.size)))
272: for start, end in ranges:
273: # Variable length per set
274: size = (size + len('%d%d' % (start, end - 1)) +
275: end - start)
276:
277:
278: # Some clients implement an earlier draft of the spec, they
279: # will only accept x-byteranges.
280: draftprefix = (request_range is not None) and 'x-' or ''
281:
282: RESPONSE.setHeader('Content-Length', size)
283: RESPONSE.setHeader('Accept-Ranges', 'bytes')
284: RESPONSE.setHeader('Last-Modified',
285: rfc1123_date(self._p_mtime))
286: RESPONSE.setHeader('Content-Type',
287: 'multipart/%sbyteranges; boundary=%s' % (
288: draftprefix, boundary))
289: RESPONSE.setStatus(206) # Partial content
290:
291: data = urllib.urlopen(self.baseUrl+self.queryString).read()
292: # The Pdata map allows us to jump into the Pdata chain
293: # arbitrarily during out-of-order range searching.
294: pdata_map = {}
295: pdata_map[0] = data
296:
297: for start, end in ranges:
298: RESPONSE.write('\r\n--%s\r\n' % boundary)
299: RESPONSE.write('Content-Type: %s\r\n' %
300: self.content_type)
301: RESPONSE.write(
302: 'Content-Range: bytes %d-%d/%d\r\n\r\n' % (
303: start, end - 1, self.size))
304:
305: if type(data) is StringType:
306: RESPONSE.write(data[start:end])
307:
308: else:
309: # Yippee. Linked Pdata objects. The following
310: # calculations allow us to fast-forward through the
311: # Pdata chain without a lot of dereferencing if we
312: # did the work already.
313: first_size = len(pdata_map[0].data)
314: if start < first_size:
315: closest_pos = 0
316: else:
317: closest_pos = (
318: ((start - first_size) >> 16 << 16) +
319: first_size)
320: pos = min(closest_pos, max(pdata_map.keys()))
321: data = pdata_map[pos]
322:
323: while data is not None:
324: l = len(data.data)
325: pos = pos + l
326: if pos > start:
327: # We are within the range
328: lstart = l - (pos - start)
329:
330: if lstart < 0: lstart = 0
331:
332: # find the endpoint
333: if end <= pos:
334: lend = l - (pos - end)
335:
336: # Send and loop to next range
337: RESPONSE.write(data[lstart:lend])
338: break
339:
340: # Not yet at the end, transmit what we have.
341: RESPONSE.write(data[lstart:])
342:
343: data = data.next
344: # Store a reference to a Pdata chain link so we
345: # don't have to deref during this request again.
346: pdata_map[pos] = data
347:
348: # Do not keep the link references around.
349: del pdata_map
350:
351: RESPONSE.write('\r\n--%s--\r\n' % boundary)
352: return ''
353:
354: RESPONSE.setHeader('Last-Modified', rfc1123_date(self._p_mtime))
355: RESPONSE.setHeader('Content-Type', self.content_type)
356: RESPONSE.setHeader('Content-Length', self.size)
357: RESPONSE.setHeader('Accept-Ranges', 'bytes')
358:
359: # Don't cache the data itself, but provide an opportunity
360: # for a cache manager to set response headers.
361: self.ZCacheable_set(None)
362:
363: #return "zogiimage: "+self.baseUrl+self.queryString
364: data=urllib.urlopen(self.baseUrl+self.queryString).read()
365:
366: if type(data) is type(''):
367: RESPONSE.setBase(None)
368: return data
369:
370: while data is not None:
371: RESPONSE.write(data.data)
372: data=data.next
373:
374: return ''
375:
376:
377: def manage_addZogiImageForm(self):
378: """Form for adding"""
379: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/addZogiImage.zpt')).__of__(self)
380: return pt()
381:
382:
383: def manage_addZogiImage(self,id,title,baseUrl, queryString,RESPONSE=None):
384: """add zogiimage"""
385: newObj=zogiImage(id,title,baseUrl, queryString)
386: self.Destination()._setObject(id,newObj)
387: if RESPONSE is not None:
388: RESPONSE.redirect('manage_main')
389:
390:
391:
392: class zogiLib(Folder):
393: """StandardElement"""
394:
395: meta_type="zogiLib"
396: #xxxx
397:
398: manage_options = Folder.manage_options+(
399: {'label':'Main Config','action':'changeZogiLibForm'},
400: )
401:
402: def __init__(self, id, title, dlServerURL, layout="book", basePath="", dlTarget=None, dlToolbarBaseURL=None):
403: """init"""
404:
405: self.id=id
406: self.title=title
407: self.dlServerURL = dlServerURL
408: self.basePath=basePath
409: self.layout=layout
410: self.dlTarget = dlTarget
411:
412: if dlToolbarBaseURL:
413: self.dlToolbarBaseURL = dlToolbarBaseURL
414: else:
415: self.dlToolbarBaseURL = dlServerURL + "/digimage.jsp?"
416:
417:
418: def version(self):
419: """version information"""
420: return ZOGIVERSION
421:
422: def getContextStatic(self):
423: """get all the contexts which go to static pages"""
424:
425: try:
426: dom=xml.dom.minidom.parse(urllib.urlopen(self.getMetaFileName()))
427: contexts=dom.getElementsByTagName("context")
428:
429: ret=[]
430: for context in contexts:
431: name=getUniqueElementText(context.getElementsByTagName("name"))
432:
433: link=getUniqueElementText(context.getElementsByTagName("link"))
434: if name or link:
435: ret.append((name,link))
436: return ret
437: except:
438: return []
439:
440: def getContextDatabases(self):
441: """get all dynamic contexts"""
442: try:
443: dom=xml.dom.minidom.parse(urllib.urlopen(self.getMetaFileName()))
444: contexts=dom.getElementsByTagName("context")
445: ret=[]
446: for context in contexts:
447: metaDataLinks=context.getElementsByTagName("meta-datalink")
448: for metaDataLink in metaDataLinks:
449: db=metaDataLink.getAttribute("db")
450: link=self.REQUEST['URL1']+"/dl_db?db=%s"%db
451: if db:
452: ret.append((db,link))
453: metaDataLinks=context.getElementsByTagName("meta-baselink")
454:
455: for metaDataLink in metaDataLinks:
456: db=metaDataLink.getAttribute("db")
457: link=self.REQUEST['URL1']+"/dl_db?db=%s"%db
458: if db:
459: ret.append((db,link))
460:
461: return ret
462: except:
463:
464: return []
465:
466:
467: def formatHTML(self,url,label=None,viewUrl=None):
468:
469: sets=xml.dom.minidom.parse(urllib.urlopen(url)).getElementsByTagName('dataset')
470: ret=""
471: print label
472: if label:
473: ret+="""<a href="%s">%s</a>"""%(viewUrl,label)
474: for set in sets:
475: ret+="<table>"
476: for node in set.childNodes:
477: if hasattr(node,'tagName'):
478: tag=node.tagName
479: label=node.getAttribute("label")
480: if not label:
481: label=tag
482: text=getText(node.childNodes)
483: ret+="""<tr><td><b>%s:</b></td><td>%s</td></tr>"""%(label,text)
484: ret+="</table>"
485: return ret
486:
487:
488: def getMetaData(self):
489: """getMetaData"""
490: try:
491: dom=xml.dom.minidom.parse(urllib.urlopen(self.getMetaFileName()))
492: except:
493: return "error metadata"
494:
495: contexts=dom.getElementsByTagName("context")
496: ret=[]
497: db=self.getDLParam("db")
498: ob=self.getDLParam("object")
499:
500: fn=self.getDLParam("fn")
501: pn=self.getDLParam("pn")
502: if not fn:
503: fn=""
504: if not pn:
505: pn=""
506: if not ob:
507: ob=""
508:
509: for context in contexts:
510: metaDataLinks=context.getElementsByTagName("meta-datalink")
511: for metaDataLink in metaDataLinks:
512:
513: if (db==metaDataLink.getAttribute("db")) or (len(metaDataLinks)==1):
514:
515: link=getUniqueElementText(metaDataLink.getElementsByTagName("metadata-url"))
516: label=getUniqueElementText(metaDataLink.getElementsByTagName("label"))
517: url=getUniqueElementText(metaDataLink.getElementsByTagName("url"))
518:
519: return self.formatHTML(link,label,url)
520:
521: metaDataLinks=context.getElementsByTagName("meta-baselink")
522:
523: for metaDataLink in metaDataLinks:
524:
525: if db==metaDataLink.getAttribute("db") or (len(metaDataLinks)==1):
526:
527: link=getUniqueElementText(metaDataLink.getElementsByTagName("metadata-url"))
528: label=getUniqueElementText(metaDataLink.getElementsByTagName("label"))
529: url=getUniqueElementText(metaDataLink.getElementsByTagName("url"))
530:
531: return self.formatHTML(link+'fn=%s&pn=%s&object=%s'%(fn,pn,ob),label,url)
532: return ret
533:
534:
535: def getDLInfo(self):
536: """get DLInfo from digilib server"""
537: paramH={}
538: baseUrl=self.dlServerURL+"/dlInfo-xml.jsp"
539: try:
540: print "querying: ", baseUrl+'?'+self.REQUEST['QUERY_STRING']
541: url=urllib.urlopen(baseUrl+'?'+self.REQUEST['QUERY_STRING'])
542: print " ok, parsing..."
543: dom=xml.dom.minidom.parse(url)
544: print " ok"
545: params=dom.getElementsByTagName('parameter')
546: for param in params:
547: print " param: ", param.getAttribute('name'), " = ", param.getAttribute('value')
548: paramH[param.getAttribute('name')]=param.getAttribute('value')
549: return paramH
550: except:
551: return {}
552:
553:
554: def createHeadJS(self):
555: """generate all javascript tags for head"""
556: self.checkQuery()
557: bt = self.REQUEST.SESSION.get('browserType', {})
558: if bt['staticHTML']:
559: return
560:
561: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogilib_head_js')).__of__(self)
562: return pt()
563:
564: def createParamJS(self):
565: """generate javascript for parameters only"""
566: self.checkQuery()
567: bt = self.REQUEST.SESSION['browserType']
568: if bt['staticHTML']:
569: return
570:
571: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogilib_param_js')).__of__(self)
572: return pt()
573:
574:
575: def createScalerImg(self, requestString=None, bottom=0, side=0, width=500, height=500):
576: """generate Scaler IMG Tag"""
577: self.checkQuery()
578: bt = self.REQUEST.SESSION['browserType']
579: # override with parameters from session
580: if self.REQUEST.SESSION.has_key('scalerDiv'):
581: (requestString, bottom, side, width, height) = self.REQUEST.SESSION['scalerDiv']
582: # if not explicitly defined take normal request
583: if not requestString:
584: requestString = self.getAllDLParams()
585: url = self.dlServerURL+'/servlet/Scaler?'+requestString
586: # construct bottom and side insets
587: b_par = ""
588: s_par = ""
589: if (bottom != 0) or (side != 0):
590: b_par = "-" + str(int(bottom))
591: s_par = "-" + str(int(side))
592: tag = ""
593: if bt['staticHTML']:
594: tag += '<div id="scaler"><img id="pic" src="%s&dw=%i&dh=%i" /></div>'%(url, int(width-side), int(height-bottom))
595: else:
596: if bt['isN4']:
597: # N4 needs layers
598: tag += '<ilayer id="scaler">'
599: else:
600: tag += '<div id="scaler">'
601: tag += '<script type="text/javascript">'
602: tag += "var ps = bestPicSize(getElement('scaler'));"
603: # write img tag with javascript
604: tag += 'document.write(\'<img id="pic" src="%s&dw=\'+(ps.width%s)+\'&dh=\'+(ps.height%s)+\'" />\');'%(url, s_par, b_par)
605: tag += '</script>'
606: if bt['isN4']:
607: tag += '</ilayer>'
608: else:
609: tag += '</div>'
610: return tag
611:
612: def createScalerDiv(self, requestString = None, bottom = 0, side = 0, width=500, height=500):
613: """generate scaler img and table with navigation arrows"""
614: self.checkQuery()
615: if requestString != None or bottom != 0 or side != 0:
616: self.REQUEST.SESSION['scalerDiv'] = (requestString, bottom, side, width, height)
617: else:
618: if self.REQUEST.SESSION.has_key('scalerDiv'):
619: # make shure to remove unused parameter
620: del self.REQUEST.SESSION['scalerDiv']
621:
622: pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt/zogilib_img_div')).__of__(self)
623: return pt()
624:
625: def createAuxDiv(self):
626: """generate other divs"""
627: self.checkQuery()
628: bt = self.REQUEST.SESSION['browserType']
629: if bt['staticHTML']:
630: return
631: if bt['isN4']:
632: f = 'zpt/zogilib_divsN4.zpt'
633: else:
634: f = 'zpt/zogilib_divs.zpt'
635: pt=PageTemplateFile(os.path.join(package_home(globals()),f)).__of__(self)
636: return pt()
637:
638:
639: def option_js(self):
640: """javascript"""
641: return sendFile(self, 'js/option.js', 'text/plain')
642:
643: def dl_lib_js(self):
644: """javascript"""
645: return sendFile(self, 'js/dllib.js', 'text/plain')
646:
647: def js_lib_js(self):
648: """javascript"""
649: return sendFile(self, 'js/baselib.js', 'text/plain')
650:
651: def optionwindow(self):
652: """showoptions"""
653: self.checkQuery()
654: bt = self.REQUEST.SESSION['browserType']
655: if bt['staticHTML']:
656: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/optionwindow_static.zpt')).__of__(self)
657: else:
658: tp = "viewingTools.zpt"
659: if hasattr(self, tp):
660: pt = getattr(self, tp)
661: else:
662: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/optionwindow.zpt')).__of__(self)
663:
664: return pt()
665:
666: def mark1(self):
667: """mark image"""
668: return sendFile(self, 'images/mark1.gif', 'image/gif')
669:
670: def mark2(self):
671: """mark image"""
672: return sendFile(self, 'images/mark2.gif', 'image/gif')
673:
674: def mark3(self):
675: """mark image"""
676: return sendFile(self, 'images/mark3.gif', 'image/gif')
677:
678: def mark4(self):
679: """mark image"""
680: return sendFile(self, 'images/mark4.gif', 'image/gif')
681:
682: def mark5(self):
683: """mark image"""
684: return sendFile(self, 'images/mark5.gif', 'image/gif')
685:
686: def mark6(self):
687: """mark image"""
688: return sendFile(self, 'images/mark6.gif', 'image/gif')
689:
690: def mark7(self):
691: """mark image"""
692: return sendFile(self, 'images/mark7.gif', 'image/gif')
693:
694: def mark8(self):
695: """mark image"""
696: return sendFile(self, 'images/mark8.gif', 'image/gif')
697:
698: def corner1(self):
699: """mark image"""
700: return sendFile(self, 'images/olinks.gif', 'image/gif')
701:
702: def corner2(self):
703: """mark image"""
704: return sendFile(self, 'images/orechts.gif', 'image/gif')
705:
706: def corner3(self):
707: """mark image"""
708: return sendFile(self, 'images/ulinks.gif', 'image/gif')
709:
710: def corner4(self):
711: """mark image"""
712: return sendFile(self, 'images/urechts.gif', 'image/gif')
713:
714: def up_img(self):
715: """mark image"""
716: return sendFile(self, 'images/up.gif', 'image/gif')
717:
718: def down_img(self):
719: """mark image"""
720: return sendFile(self, 'images/down.gif', 'image/gif')
721:
722: def left_img(self):
723: """mark image"""
724: return sendFile(self, 'images/left.gif', 'image/gif')
725:
726: def right_img(self):
727: """mark image"""
728: return sendFile(self, 'images/right.gif', 'image/gif')
729:
730:
731:
732: def index_html(self):
733: """main action"""
734: self.checkQuery()
735: bt = self.REQUEST.SESSION['browserType']
736: tp = "zogiLibMainTemplate"
737:
738: if hasattr(self, tp):
739: pt = getattr(self, tp)
740: else:
741: tpt = self.layout
742:
743: if bt['staticHTML']:
744: tpt = "static"
745:
746: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogiLibMain_%s'%tpt)).__of__(self)
747:
748: return pt()
749:
750:
751: def storeQuery(self, more = None):
752: """storeQuery in session"""
753: dlParams = {}
754: for fm in self.REQUEST.form.keys():
755: dlParams[fm] = self.REQUEST.form[fm]
756: # look for more
757: if more:
758: for fm in more.split('&'):
759: try:
760: pv = fm.split('=')
761: dlParams[pv[0]] = pv[1]
762: except:
763: pass
764:
765: # parse digilib mode parameter
766: if 'mo' in dlParams:
767: if len(dlParams['mo']) > 0:
768: modes=dlParams['mo'].split(',')
769: else:
770: modes=[]
771:
772: wid = self.getWID()
773: self.REQUEST.set('wid', wid)
774: self.setSubSession('dlQuery', dlParams)
775: self.setSubSession('dlModes', modes)
776: self.setSubSession('dlInfo', self.getDLInfo())
777: if not self.REQUEST.SESSION.has_key('browserType'):
778: self.REQUEST.SESSION['browserType'] = browserCheck(self)
779:
780: return
781:
782: def checkQuery(self):
783: """check if the query has been stored"""
784: if not (self.REQUEST.SESSION and self.getSubSession('dlQuery')) :
785: print "ZOGILIB: have to store query!!"
786: self.storeQuery()
787: return
788:
789: def zogilibPath(self, otherbase=None):
790: """returns an URL to the zogiLib instance"""
791: url = self.REQUEST['URL1']
792: # should end with "/"
793: if len(url) > 0 and url[-1] != '/':
794: url += '/'
795: if type(otherbase) is str:
796: url += otherbase
797: else:
798: url += self.basePath
799: # should end with "/"
800: if len(url) > 0 and url[-1] != '/':
801: url += '/'
802: return url
803:
804: def zogilibAction(self, action, otherbase=None, wid=None):
805: """returns a URL with zogilib path, action and wid"""
806: url = self.zogilibPath(otherbase)
807: url += action
808: if wid:
809: url += '?wid=' + wid
810: else:
811: url += '?wid=' + self.getWID()
812: return url
813:
814: def getSubSession(self, key, default=None):
815: """returns an element from a session with a wid"""
816: wid = self.getWID()
817: return self.REQUEST.SESSION.get(key+'_'+wid, default)
818:
819: def setSubSession(self, key, value):
820: """puts an element in a session with a wid"""
821: wid = self.getWID()
822: self.REQUEST.SESSION.set(key+'_'+wid, value)
823: return
824:
825: def getWID(self):
826: """returns a (new) window id"""
827: wid = self.REQUEST.get('wid')
828: if not wid:
829: wid = 'digi_'+str(int(random.random()*10000))
830: print "new WID:", wid
831: return wid
832:
833: def getDLParam(self, param):
834: """returns parameter"""
835: try:
836: return self.getSubSession('dlQuery').get(param)
837: except:
838: return
839:
840: def setDLParam(self, param, value):
841: """sets parameter"""
842: dlParams = self.getSubSession('dlQuery')
843: #try:
844: dlParams[param] = value
845: #except:
846: # self.setSubSession('dlQuery', {param: value})
847: return
848:
849: def getAllDLParams(self):
850: """parameter string for digilib"""
851: dlParams = self.getSubSession('dlQuery')
852: # save modes
853: modes = self.getSubSession('dlModes')
854: dlParams['mo'] = string.join(modes, ',')
855: # assemble query string
856: ret = ""
857: for param in dlParams.keys():
858: if dlParams[param] is None: continue
859: val = str(dlParams[param])
860: if val != "":
861: ret += param + "=" + val + "&"
862:
863: # omit trailing "&"
864: return ret.rstrip('&')
865:
866:
867: def setDLParams(self,pn=None,ws=None,rot=None,brgt=None,cont=None):
868: """setze Parameter"""
869:
870: self.setDLParam('brgt', brgt)
871: self.setDLParam('cont', cont)
872: self.setDLParam('ws', ws)
873: self.setDLParam('rot', rot)
874:
875: if pn:
876: # unmark
877: self.setDLParam('mk', None)
878: self.setDLParam('pn', pn)
879:
880: return self.display()
881:
882:
883: def display(self):
884: """(re)display page"""
885: if not self.getDLParam('wid'):
886: wid = self.getWID()
887: self.setDLParam('wid', wid)
888:
889: params = self.getAllDLParams()
890:
891: if self.basePath:
892: self.REQUEST.RESPONSE.redirect(self.REQUEST['URL2']+'?'+params)
893: else:
894: self.REQUEST.RESPONSE.redirect(self.REQUEST['URL1']+'?'+params)
895:
896: def getMetaFileName(self):
897: url=self.dlServerURL+'/dlContext-xml.jsp?'+self.getAllDLParams()
898: return urlbase
899:
900: def getToolbarPageURL(self):
901: """returns a toolbar-enabled page URL"""
902: url=self.dlToolbarBaseURL+self.getAllDLParams()
903: return url
904:
905: def getDLTarget(self):
906: """returns dlTarget"""
907: self.checkQuery()
908: s = self.dlTarget
909: if s == None:
910: s = ""
911: # s = 'dl'
912: # if self.getDLParam('fn'):
913: # s += "_" + self.getDLParam('fn')
914: # if self.getDLParam('pn'):
915: # s += "_" + self.getDLParam('pn')
916: return s
917:
918: def setStaticHTML(self, static=True):
919: """sets the preference to static HTML"""
920: self.checkQuery()
921: self.REQUEST.SESSION['browserType']['staticHTML'] = static
922: return
923:
924: def isStaticHTML(self):
925: """returns if the page is using static HTML only"""
926: self.checkQuery()
927: return self.REQUEST.SESSION['browserType']['staticHTML']
928:
929: def getPT(self):
930: """pagenums"""
931: di = self.getSubSession('dlInfo')
932: if di:
933: return int(di['pt'])
934: else:
935: return 1
936:
937: def getPN(self):
938: """Pagenum"""
939: pn = self.getDLParam('pn')
940: try:
941: return int(pn)
942: except:
943: return 1
944:
945: def getBiggerWS(self):
946: """ws+1"""
947: ws = self.getDLParam('ws')
948: try:
949: return float(ws)+0.5
950: except:
951: return 1.5
952:
953: def getSmallerWS(self):
954: """ws-1"""
955: ws=self.getDLParam('ws')
956: try:
957: return max(float(ws)-0.5, 1)
958: except:
959: return 1
960:
961: def hasMode(self, mode):
962: """returns if mode is in the diglib mo parameter"""
963: wid = self.getWID()
964: return (mode in self.REQUEST.SESSION['dlModes_'+wid])
965:
966: def hasNextPage(self):
967: """returns if there is a next page"""
968: pn = self.getPN()
969: pt = self.getPT()
970: return (pn < pt)
971:
972: def hasPrevPage(self):
973: """returns if there is a previous page"""
974: pn = self.getPN()
975: return (pn > 1)
976:
977: def canMoveLeft(self):
978: """returns if its possible to move left"""
979: wx = float(self.getDLParam('wx') or 0)
980: return (wx > 0)
981:
982: def canMoveRight(self):
983: """returns if its possible to move right"""
984: wx = float(self.getDLParam('wx') or 0)
985: ww = float(self.getDLParam('ww') or 1)
986: return (wx + ww < 1)
987:
988: def canMoveUp(self):
989: """returns if its possible to move up"""
990: wy = float(self.getDLParam('wy') or 0)
991: return (wy > 0)
992:
993: def canMoveDown(self):
994: """returns if its possible to move down"""
995: wy = float(self.getDLParam('wy') or 0)
996: wh = float(self.getDLParam('wh') or 1)
997: return (wy + wh < 1)
998:
999:
1000: def dl_StaticHTML(self):
1001: """set rendering to static HTML"""
1002: self.checkQuery()
1003: self.REQUEST.SESSION['browserType']['staticHTML'] = True
1004: return self.display()
1005:
1006: def dl_DynamicHTML(self):
1007: """set rendering to dynamic HTML"""
1008: self.checkQuery()
1009: self.REQUEST.SESSION['browserType']['staticHTML'] = False
1010: return self.display()
1011:
1012: def dl_HMirror(self):
1013: """mirror action"""
1014: modes = self.getSubSession('dlModes')
1015: if 'hmir' in modes:
1016: modes.remove('hmir')
1017: else:
1018: modes.append('hmir')
1019:
1020: return self.display()
1021:
1022: def dl_VMirror(self):
1023: """mirror action"""
1024: modes = self.getSubSession('dlModes')
1025: if 'vmir' in modes:
1026: modes.remove('vmir')
1027: else:
1028: modes.append('vmir')
1029:
1030: return self.display()
1031:
1032: def dl_Zoom(self, z):
1033: """general zoom action"""
1034: ww1 = float(self.getDLParam('ww') or 1)
1035: wh1 = float(self.getDLParam('wh') or 1)
1036: wx = float(self.getDLParam('wx') or 0)
1037: wy = float(self.getDLParam('wy') or 0)
1038: ww2 = ww1 * z
1039: wh2 = wh1 * z
1040: wx += (ww1 - ww2) / 2
1041: wy += (wh1 - wh2) / 2
1042: ww2 = max(min(ww2, 1), 0)
1043: wh2 = max(min(wh2, 1), 0)
1044: wx = max(min(wx, 1), 0)
1045: wy = max(min(wy, 1), 0)
1046: self.setDLParam('ww', cropf(ww2))
1047: self.setDLParam('wh', cropf(wh2))
1048: self.setDLParam('wx', cropf(wx))
1049: self.setDLParam('wy', cropf(wy))
1050: return self.display()
1051:
1052: def dl_ZoomIn(self):
1053: """zoom in action"""
1054: z = 0.7071
1055: return self.dl_Zoom(z)
1056:
1057: def dl_ZoomOut(self):
1058: """zoom out action"""
1059: z = 1.4142
1060: return self.dl_Zoom(z)
1061:
1062: def dl_Move(self, dx, dy):
1063: """general move action"""
1064: ww = float(self.getDLParam('ww') or 1)
1065: wh = float(self.getDLParam('wh') or 1)
1066: wx = float(self.getDLParam('wx') or 0)
1067: wy = float(self.getDLParam('wy') or 0)
1068: wx += dx * 0.5 * ww
1069: wy += dy * 0.5 * wh
1070: wx = max(min(wx, 1), 0)
1071: wy = max(min(wy, 1), 0)
1072: self.setDLParam('wx', cropf(wx))
1073: self.setDLParam('wy', cropf(wy))
1074: return self.display()
1075:
1076: def dl_MoveLeft(self):
1077: """move left action"""
1078: return self.dl_Move(-1, 0)
1079:
1080: def dl_MoveRight(self):
1081: """move left action"""
1082: return self.dl_Move(1, 0)
1083:
1084: def dl_MoveUp(self):
1085: """move left action"""
1086: return self.dl_Move(0, -1)
1087:
1088: def dl_MoveDown(self):
1089: """move left action"""
1090: return self.dl_Move(0, 1)
1091:
1092: def dl_WholePage(self):
1093: """zoom out action"""
1094: self.setDLParam('ww', 1)
1095: self.setDLParam('wh', 1)
1096: self.setDLParam('wx', 0)
1097: self.setDLParam('wy', 0)
1098: return self.display()
1099:
1100: def dl_PrevPage(self):
1101: """next page action"""
1102: pn = self.getPN() - 1
1103: if pn < 1:
1104: pn = 1
1105: self.setDLParam('pn', pn)
1106: # unmark
1107: self.setDLParam('mk', None)
1108: return self.display()
1109:
1110: def dl_NextPage(self):
1111: """next page action"""
1112: pn = self.getPN() + 1
1113: pt = self.getPT()
1114: if pn > pt:
1115: pn = pt
1116: self.setDLParam('pn', pn)
1117: # unmark
1118: self.setDLParam('mk', None)
1119: return self.display()
1120:
1121: def dl_FirstPage(self):
1122: """first page action"""
1123: self.setDLParam('pn', 1)
1124: # unmark
1125: self.setDLParam('mk', None)
1126: return self.display()
1127:
1128: def dl_LastPage(self):
1129: """last page action"""
1130: self.setDLParam('pn', self.getPT())
1131: # unmark
1132: self.setDLParam('mk', None)
1133: return self.display()
1134:
1135: def dl_Unmark(self):
1136: """action to remove last mark"""
1137: mk = self.getDLParam('mk')
1138: if mk:
1139: marks = mk.split(',')
1140: marks.pop()
1141: mk = string.join(marks, ',')
1142: self.setDLParam('mk', mk)
1143: return self.display()
1144:
1145: def dl_db(self,db):
1146: """set db"""
1147: self.setDLParam('db',db)
1148: self.display()
1149:
1150: def changeZogiLibForm(self):
1151: """Main configuration"""
1152: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/changeZogiLibForm.zpt')).__of__(self)
1153: return pt()
1154:
1155: def changeZogiLib(self,title,dlServerURL, version, basePath, dlTarget, dlToolbarBaseURL, RESPONSE=None):
1156: """change it"""
1157: self.title=title
1158: self.dlServerURL=dlServerURL
1159: self.basePath = basePath
1160: self.layout=version
1161: self.dlTarget = dlTarget
1162:
1163: if dlToolbarBaseURL:
1164: self.dlToolbarBaseURL = dlToolbarBaseURL
1165: else:
1166: self.dlToolbarBaseURL = dlServerURL + "/digimage.jsp?"
1167:
1168: if RESPONSE is not None:
1169: RESPONSE.redirect('manage_main')
1170:
1171:
1172:
1173: ##
1174: ## odds and ends
1175: ##
1176:
1177: def repairZogilib(self, obj=None):
1178: """change stuff that broke on upgrading"""
1179:
1180: msg = ""
1181:
1182: if not obj:
1183: obj = self.getPhysicalRoot()
1184:
1185: print "starting in ", obj
1186:
1187: entries=obj.ZopeFind(obj,obj_metatypes=['zogiLib'],search_sub=1)
1188:
1189: for entry in entries:
1190: print " found ", entry
1191: #
1192: # replace digilibBaseUrl by dlServerURL
1193: if hasattr(entry[1], 'digilibBaseUrl'):
1194: msg += " fixing digilibBaseUrl in "+entry[0]+"\n"
1195: entry[1].dlServerURL = re.sub('/servlet/Scaler\?','',entry[1].digilibBaseUrl)
1196: del entry[1].digilibBaseUrl
1197:
1198: #
1199: # add dlToolbarBaseURL
1200: if not hasattr(entry[1], 'dlToolbarBaseURL'):
1201: msg += " fixing dlToolbarBaseURL in "+entry[0]+"\n"
1202: entry[1].dlToolbarBaseURL = entry[1].dlServerURL + "/digimage.jsp?"
1203:
1204: return msg+"\n\nfixed all zogilib instances in: "+obj.title
1205:
1206:
1207: def manage_addZogiLibForm(self):
1208: """interface for adding zogilib"""
1209: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/addZogiLibForm')).__of__(self)
1210: return pt()
1211:
1212: def manage_addZogiLib(self,id,title,dlServerURL,version="book",basePath="",dlTarget=None,dlToolbarBaseURL=None,RESPONSE=None):
1213: """add dgilib"""
1214: newObj=zogiLib(id,title,dlServerURL, version, basePath, dlTarget, dlToolbarBaseURL)
1215: self.Destination()._setObject(id,newObj)
1216: if RESPONSE is not None:
1217: RESPONSE.redirect('manage_main')
1218:
1219:
1220: class zogiLibPageTemplate(ZopePageTemplate):
1221: """pageTemplate Objekt"""
1222: meta_type="zogiLib_pageTemplate"
1223:
1224:
1225: ## def __init__(self, id, text=None, contentType=None):
1226: ## self.id = str(id)
1227: ## self.ZBindings_edit(self._default_bindings)
1228: ## if text is None:
1229: ## text = open(self._default_cont).read()
1230: ## self.pt_edit(text, contentType)
1231:
1232: def manage_addZogiLibPageTemplateForm(self):
1233: """Form for adding"""
1234: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/addZogiLibPageTemplateForm')).__of__(self)
1235: return pt()
1236:
1237: def manage_addZogiLibPageTemplate(self, id='zogiLibMainTemplate', title=None, layout=None, text=None,
1238: REQUEST=None, submit=None):
1239: "Add a Page Template with optional file content."
1240:
1241: id = str(id)
1242: self._setObject(id, zogiLibPageTemplate(id))
1243: ob = getattr(self, id)
1244: if not layout: layout = "book"
1245: ob.pt_edit(open(os.path.join(package_home(globals()),'zpt/zogiLibMain_%s.zpt'%layout)).read(),None)
1246: if title:
1247: ob.pt_setTitle(title)
1248: try:
1249: u = self.DestinationURL()
1250: except AttributeError:
1251: u = REQUEST['URL1']
1252:
1253: u = "%s/%s" % (u, urllib.quote(id))
1254: REQUEST.RESPONSE.redirect(u+'/manage_main')
1255: return ''
1256:
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