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 = "0.9.9 ROC:28.8.2004"
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: self.baseUrl=baseUrl
80: self.queryString=queryString
81: self.content_type=content_type
82: self.precondition=precondition
83:
84: def getData(self):
85: """getUrlData"""
86: return urllib.urlopen(self.baseUrl+self.queryString)
87:
88: def changeZogiImageForm(self):
89: """Main configuration"""
90: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/changeZogiImageForm.zpt')).__of__(self)
91: return pt()
92:
93: def changeZogiImage(self,title,baseUrl, queryString,RESPONSE=None):
94: """change it"""
95: self.title=title
96: self.baseUrl=baseUrl
97: self.queryString=queryString
98:
99: if RESPONSE is not None:
100: RESPONSE.redirect('manage_main')
101:
102:
103: def index_html(self, REQUEST, RESPONSE):
104: """
105: Modified version of OFS/Image.py
106:
107: The default view of the contents of a File or Image.
108:
109: Returns the contents of the file or image. Also, sets the
110: Content-Type HTTP header to the objects content type.
111: """
112:
113: # HTTP If-Modified-Since header handling.
114: header=REQUEST.get_header('If-Modified-Since', None)
115: if header is not None:
116: header=header.split( ';')[0]
117: # Some proxies seem to send invalid date strings for this
118: # header. If the date string is not valid, we ignore it
119: # rather than raise an error to be generally consistent
120: # with common servers such as Apache (which can usually
121: # understand the screwy date string as a lucky side effect
122: # of the way they parse it).
123: # This happens to be what RFC2616 tells us to do in the face of an
124: # invalid date.
125: try: mod_since=long(DateTime(header).timeTime())
126: except: mod_since=None
127: if mod_since is not None:
128: if self._p_mtime:
129: last_mod = long(self._p_mtime)
130: else:
131: last_mod = long(0)
132: if last_mod > 0 and last_mod <= mod_since:
133: # Set header values since apache caching will return Content-Length
134: # of 0 in response if size is not set here
135: RESPONSE.setHeader('Last-Modified', rfc1123_date(self._p_mtime))
136: RESPONSE.setHeader('Content-Type', self.content_type)
137: RESPONSE.setHeader('Content-Length', self.size)
138: RESPONSE.setHeader('Accept-Ranges', 'bytes')
139: self.ZCacheable_set(None)
140: RESPONSE.setStatus(304)
141: return ''
142:
143: if self.precondition and hasattr(self,self.precondition):
144: # Grab whatever precondition was defined and then
145: # execute it. The precondition will raise an exception
146: # if something violates its terms.
147: c=getattr(self,self.precondition)
148: if hasattr(c,'isDocTemp') and c.isDocTemp:
149: c(REQUEST['PARENTS'][1],REQUEST)
150: else:
151: c()
152:
153: # HTTP Range header handling
154: range = REQUEST.get_header('Range', None)
155: request_range = REQUEST.get_header('Request-Range', None)
156: if request_range is not None:
157: # Netscape 2 through 4 and MSIE 3 implement a draft version
158: # Later on, we need to serve a different mime-type as well.
159: range = request_range
160: if_range = REQUEST.get_header('If-Range', None)
161: if range is not None:
162: ranges = HTTPRangeSupport.parseRange(range)
163:
164: if if_range is not None:
165: # Only send ranges if the data isn't modified, otherwise send
166: # the whole object. Support both ETags and Last-Modified dates!
167: if len(if_range) > 1 and if_range[:2] == 'ts':
168: # ETag:
169: if if_range != self.http__etag():
170: # Modified, so send a normal response. We delete
171: # the ranges, which causes us to skip to the 200
172: # response.
173: ranges = None
174: else:
175: # Date
176: date = if_range.split( ';')[0]
177: try: mod_since=long(DateTime(date).timeTime())
178: except: mod_since=None
179: if mod_since is not None:
180: if self._p_mtime:
181: last_mod = long(self._p_mtime)
182: else:
183: last_mod = long(0)
184: if last_mod > mod_since:
185: # Modified, so send a normal response. We delete
186: # the ranges, which causes us to skip to the 200
187: # response.
188: ranges = None
189:
190: if ranges:
191: # Search for satisfiable ranges.
192: satisfiable = 0
193: for start, end in ranges:
194: if start < self.size:
195: satisfiable = 1
196: break
197:
198: if not satisfiable:
199: RESPONSE.setHeader('Content-Range',
200: 'bytes */%d' % self.size)
201: RESPONSE.setHeader('Accept-Ranges', 'bytes')
202: RESPONSE.setHeader('Last-Modified',
203: rfc1123_date(self._p_mtime))
204: RESPONSE.setHeader('Content-Type', self.content_type)
205: RESPONSE.setHeader('Content-Length', self.size)
206: RESPONSE.setStatus(416)
207: return ''
208:
209: ranges = HTTPRangeSupport.expandRanges(ranges, self.size)
210:
211: if len(ranges) == 1:
212: # Easy case, set extra header and return partial set.
213: start, end = ranges[0]
214: size = end - start
215:
216: RESPONSE.setHeader('Last-Modified',
217: rfc1123_date(self._p_mtime))
218: RESPONSE.setHeader('Content-Type', self.content_type)
219: RESPONSE.setHeader('Content-Length', size)
220: RESPONSE.setHeader('Accept-Ranges', 'bytes')
221: RESPONSE.setHeader('Content-Range',
222: 'bytes %d-%d/%d' % (start, end - 1, self.size))
223: RESPONSE.setStatus(206) # Partial content
224:
225: data = urllib.urlopen(self.baseUrl+self.queryString).read()
226: if type(data) is StringType:
227: return data[start:end]
228:
229: # Linked Pdata objects. Urgh.
230: pos = 0
231: while data is not None:
232: l = len(data.data)
233: pos = pos + l
234: if pos > start:
235: # We are within the range
236: lstart = l - (pos - start)
237:
238: if lstart < 0: lstart = 0
239:
240: # find the endpoint
241: if end <= pos:
242: lend = l - (pos - end)
243:
244: # Send and end transmission
245: RESPONSE.write(data[lstart:lend])
246: break
247:
248: # Not yet at the end, transmit what we have.
249: RESPONSE.write(data[lstart:])
250:
251: data = data.next
252:
253: return ''
254:
255: else:
256: boundary = choose_boundary()
257:
258: # Calculate the content length
259: size = (8 + len(boundary) + # End marker length
260: len(ranges) * ( # Constant lenght per set
261: 49 + len(boundary) + len(self.content_type) +
262: len('%d' % self.size)))
263: for start, end in ranges:
264: # Variable length per set
265: size = (size + len('%d%d' % (start, end - 1)) +
266: end - start)
267:
268:
269: # Some clients implement an earlier draft of the spec, they
270: # will only accept x-byteranges.
271: draftprefix = (request_range is not None) and 'x-' or ''
272:
273: RESPONSE.setHeader('Content-Length', size)
274: RESPONSE.setHeader('Accept-Ranges', 'bytes')
275: RESPONSE.setHeader('Last-Modified',
276: rfc1123_date(self._p_mtime))
277: RESPONSE.setHeader('Content-Type',
278: 'multipart/%sbyteranges; boundary=%s' % (
279: draftprefix, boundary))
280: RESPONSE.setStatus(206) # Partial content
281:
282: data = urllib.urlopen(self.baseUrl+self.queryString).read()
283: # The Pdata map allows us to jump into the Pdata chain
284: # arbitrarily during out-of-order range searching.
285: pdata_map = {}
286: pdata_map[0] = data
287:
288: for start, end in ranges:
289: RESPONSE.write('\r\n--%s\r\n' % boundary)
290: RESPONSE.write('Content-Type: %s\r\n' %
291: self.content_type)
292: RESPONSE.write(
293: 'Content-Range: bytes %d-%d/%d\r\n\r\n' % (
294: start, end - 1, self.size))
295:
296: if type(data) is StringType:
297: RESPONSE.write(data[start:end])
298:
299: else:
300: # Yippee. Linked Pdata objects. The following
301: # calculations allow us to fast-forward through the
302: # Pdata chain without a lot of dereferencing if we
303: # did the work already.
304: first_size = len(pdata_map[0].data)
305: if start < first_size:
306: closest_pos = 0
307: else:
308: closest_pos = (
309: ((start - first_size) >> 16 << 16) +
310: first_size)
311: pos = min(closest_pos, max(pdata_map.keys()))
312: data = pdata_map[pos]
313:
314: while data is not None:
315: l = len(data.data)
316: pos = pos + l
317: if pos > start:
318: # We are within the range
319: lstart = l - (pos - start)
320:
321: if lstart < 0: lstart = 0
322:
323: # find the endpoint
324: if end <= pos:
325: lend = l - (pos - end)
326:
327: # Send and loop to next range
328: RESPONSE.write(data[lstart:lend])
329: break
330:
331: # Not yet at the end, transmit what we have.
332: RESPONSE.write(data[lstart:])
333:
334: data = data.next
335: # Store a reference to a Pdata chain link so we
336: # don't have to deref during this request again.
337: pdata_map[pos] = data
338:
339: # Do not keep the link references around.
340: del pdata_map
341:
342: RESPONSE.write('\r\n--%s--\r\n' % boundary)
343: return ''
344:
345: RESPONSE.setHeader('Last-Modified', rfc1123_date(self._p_mtime))
346: RESPONSE.setHeader('Content-Type', self.content_type)
347: RESPONSE.setHeader('Content-Length', self.size)
348: RESPONSE.setHeader('Accept-Ranges', 'bytes')
349:
350: # Don't cache the data itself, but provide an opportunity
351: # for a cache manager to set response headers.
352: self.ZCacheable_set(None)
353:
354: #return "zogiimage: "+self.baseUrl+self.queryString
355: data=urllib.urlopen(self.baseUrl+self.queryString).read()
356:
357: if type(data) is type(''):
358: RESPONSE.setBase(None)
359: return data
360:
361: while data is not None:
362: RESPONSE.write(data.data)
363: data=data.next
364:
365: return ''
366:
367:
368: def manage_addZogiImageForm(self):
369: """Form for adding"""
370: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/addZogiImage.zpt')).__of__(self)
371: return pt()
372:
373:
374: def manage_addZogiImage(self,id,title,baseUrl, queryString,RESPONSE=None):
375: """add dgilib"""
376: newObj=zogiImage(id,title,baseUrl, queryString)
377: self.Destination()._setObject(id,newObj)
378: if RESPONSE is not None:
379: RESPONSE.redirect('manage_main')
380:
381:
382:
383: class zogiLib(Folder):
384: """StandardElement"""
385:
386: meta_type="zogiLib"
387: #xxxx
388:
389: manage_options = Folder.manage_options+(
390: {'label':'Main Config','action':'changeZogiLibForm'},
391: )
392:
393: def __init__(self, id, title, dlServerURL, layout="book", basePath="", dlTarget=None, dlToolbarBaseURL=None):
394: """init"""
395:
396: self.id=id
397: self.title=title
398: self.dlServerURL = dlServerURL
399: self.basePath=basePath
400: self.layout=layout
401: self.dlTarget = dlTarget
402:
403: if dlToolbarBaseURL:
404: self.dlToolbarBaseURL = dlToolbarBaseURL
405: else:
406: self.dlToolbarBaseURL = dlServerURL + "/digimage.jsp?"
407:
408:
409: def version(self):
410: """version information"""
411: return ZOGIVERSION
412:
413: def getContextStatic(self):
414: """get all the contexts which go to static pages"""
415:
416: try:
417: dom=xml.dom.minidom.parse(urllib.urlopen(self.getMetaFileName()))
418: contexts=dom.getElementsByTagName("context")
419:
420: ret=[]
421: for context in contexts:
422: name=getUniqueElementText(context.getElementsByTagName("name"))
423:
424: link=getUniqueElementText(context.getElementsByTagName("link"))
425: if name or link:
426: ret.append((name,link))
427: return ret
428: except:
429: return []
430:
431: def getContextDatabases(self):
432: """get all dynamic contexts"""
433: try:
434: dom=xml.dom.minidom.parse(urllib.urlopen(self.getMetaFileName()))
435: contexts=dom.getElementsByTagName("context")
436: ret=[]
437: for context in contexts:
438: metaDataLinks=context.getElementsByTagName("meta-datalink")
439: for metaDataLink in metaDataLinks:
440: db=metaDataLink.getAttribute("db")
441: link=self.REQUEST['URL1']+"/dl_db?db=%s"%db
442: if db:
443: ret.append((db,link))
444: metaDataLinks=context.getElementsByTagName("meta-baselink")
445:
446: for metaDataLink in metaDataLinks:
447: db=metaDataLink.getAttribute("db")
448: link=self.REQUEST['URL1']+"/dl_db?db=%s"%db
449: if db:
450: ret.append((db,link))
451:
452: return ret
453: except:
454:
455: return []
456:
457:
458: def formatHTML(self,url,label=None,viewUrl=None):
459:
460: sets=xml.dom.minidom.parse(urllib.urlopen(url)).getElementsByTagName('dataset')
461: ret=""
462: print label
463: if label:
464: ret+="""<a href="%s">%s</a>"""%(viewUrl,label)
465: for set in sets:
466: ret+="<table>"
467: for node in set.childNodes:
468: if hasattr(node,'tagName'):
469: tag=node.tagName
470: label=node.getAttribute("label")
471: if not label:
472: label=tag
473: text=getText(node.childNodes)
474: ret+="""<tr><td><b>%s:</b></td><td>%s</td></tr>"""%(label,text)
475: ret+="</table>"
476: return ret
477:
478:
479: def getMetaData(self):
480: """getMetaData"""
481: try:
482: dom=xml.dom.minidom.parse(urllib.urlopen(self.getMetaFileName()))
483: except:
484: return "error metadata"
485:
486: contexts=dom.getElementsByTagName("context")
487: ret=[]
488: db=self.getDLParam("db")
489: ob=self.getDLParam("object")
490:
491: fn=self.getDLParam("fn")
492: pn=self.getDLParam("pn")
493: if not fn:
494: fn=""
495: if not pn:
496: pn=""
497: if not ob:
498: ob=""
499:
500: for context in contexts:
501: metaDataLinks=context.getElementsByTagName("meta-datalink")
502: for metaDataLink in metaDataLinks:
503:
504: if (db==metaDataLink.getAttribute("db")) or (len(metaDataLinks)==1):
505:
506: link=getUniqueElementText(metaDataLink.getElementsByTagName("metadata-url"))
507: label=getUniqueElementText(metaDataLink.getElementsByTagName("label"))
508: url=getUniqueElementText(metaDataLink.getElementsByTagName("url"))
509:
510: return self.formatHTML(link,label,url)
511:
512: metaDataLinks=context.getElementsByTagName("meta-baselink")
513:
514: for metaDataLink in metaDataLinks:
515:
516: if db==metaDataLink.getAttribute("db") or (len(metaDataLinks)==1):
517:
518: link=getUniqueElementText(metaDataLink.getElementsByTagName("metadata-url"))
519: label=getUniqueElementText(metaDataLink.getElementsByTagName("label"))
520: url=getUniqueElementText(metaDataLink.getElementsByTagName("url"))
521:
522: return self.formatHTML(link+'fn=%s&pn=%s&object=%s'%(fn,pn,ob),label,url)
523: return ret
524:
525:
526: def getDLInfo(self):
527: """get DLInfo from digilib server"""
528: paramH={}
529: baseUrl=self.dlServerURL+"/dlInfo-xml.jsp"
530: try:
531: url=urllib.urlopen(baseUrl+'?'+self.REQUEST['QUERY_STRING'])
532: dom=xml.dom.minidom.parse(url)
533: params=dom.getElementsByTagName('parameter')
534: for param in params:
535: paramH[param.getAttribute('name')]=param.getAttribute('value')
536: return paramH
537: except:
538: return {}
539:
540:
541: def createHeadJS(self):
542: """generate all javascript tags for head"""
543: self.checkQuery()
544: bt = self.REQUEST.SESSION.get('browserType', {})
545: if bt['staticHTML']:
546: return
547:
548: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogilib_head_js')).__of__(self)
549: return pt()
550:
551: def createParamJS(self):
552: """generate javascript for parameters only"""
553: self.checkQuery()
554: bt = self.REQUEST.SESSION['browserType']
555: if bt['staticHTML']:
556: return
557:
558: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogilib_param_js')).__of__(self)
559: return pt()
560:
561:
562: def createScalerImg(self, requestString=None, bottom=0, side=0, width=500, height=500):
563: """generate Scaler IMG Tag"""
564: self.checkQuery()
565: bt = self.REQUEST.SESSION['browserType']
566: # override with parameters from session
567: if self.REQUEST.SESSION.has_key('scalerDiv'):
568: (requestString, bottom, side, width, height) = self.REQUEST.SESSION['scalerDiv']
569: # if not explicitly defined take normal request
570: if not requestString:
571: requestString = self.getAllDLParams()
572: url = self.dlServerURL+'/servlet/Scaler?'+requestString
573: # construct bottom and side insets
574: b_par = ""
575: s_par = ""
576: if (bottom != 0) or (side != 0):
577: b_par = "-" + str(int(bottom))
578: s_par = "-" + str(int(side))
579: tag = ""
580: if bt['staticHTML']:
581: tag += '<div id="scaler"><img id="pic" src="%s&dw=%i&dh=%i" /></div>'%(url, int(width-side), int(height-bottom))
582: else:
583: if bt['isN4']:
584: # N4 needs layers
585: tag += '<ilayer id="scaler">'
586: else:
587: tag += '<div id="scaler">'
588: tag += '<script type="text/javascript">'
589: tag += "var ps = bestPicSize(getElement('scaler'));"
590: # write img tag with javascript
591: tag += 'document.write(\'<img id="pic" src="%s&dw=\'+(ps.width%s)+\'&dh=\'+(ps.height%s)+\'" />\');'%(url, s_par, b_par)
592: tag += '</script>'
593: if bt['isN4']:
594: tag += '</ilayer>'
595: else:
596: tag += '</div>'
597: return tag
598:
599: def createScalerDiv(self, requestString = None, bottom = 0, side = 0, width=500, height=500):
600: """generate scaler img and table with navigation arrows"""
601: self.checkQuery()
602: if requestString != None or bottom != 0 or side != 0:
603: self.REQUEST.SESSION['scalerDiv'] = (requestString, bottom, side, width, height)
604: else:
605: if self.REQUEST.SESSION.has_key('scalerDiv'):
606: # make shure to remove unused parameter
607: del self.REQUEST.SESSION['scalerDiv']
608:
609: pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt/zogilib_img_div')).__of__(self)
610: return pt()
611:
612: def createAuxDiv(self):
613: """generate other divs"""
614: self.checkQuery()
615: bt = self.REQUEST.SESSION['browserType']
616: if bt['staticHTML']:
617: return
618: if bt['isN4']:
619: f = 'zpt/zogilib_divsN4.zpt'
620: else:
621: f = 'zpt/zogilib_divs.zpt'
622: pt=PageTemplateFile(os.path.join(package_home(globals()),f)).__of__(self)
623: return pt()
624:
625:
626: def option_js(self):
627: """javascript"""
628: return sendFile(self, 'js/option.js', 'text/plain')
629:
630: def dl_lib_js(self):
631: """javascript"""
632: return sendFile(self, 'js/dllib.js', 'text/plain')
633:
634: def js_lib_js(self):
635: """javascript"""
636: return sendFile(self, 'js/baselib.js', 'text/plain')
637:
638: def optionwindow(self):
639: """showoptions"""
640: self.checkQuery()
641: bt = self.REQUEST.SESSION['browserType']
642: if bt['staticHTML']:
643: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/optionwindow_static.zpt')).__of__(self)
644: else:
645: tp = "viewingTools.zpt"
646: if hasattr(self, tp):
647: pt = getattr(self, tp)
648: else:
649: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/optionwindow.zpt')).__of__(self)
650:
651: return pt()
652:
653: def mark1(self):
654: """mark image"""
655: return sendFile(self, 'images/mark1.gif', 'image/gif')
656:
657: def mark2(self):
658: """mark image"""
659: return sendFile(self, 'images/mark2.gif', 'image/gif')
660:
661: def mark3(self):
662: """mark image"""
663: return sendFile(self, 'images/mark3.gif', 'image/gif')
664:
665: def mark4(self):
666: """mark image"""
667: return sendFile(self, 'images/mark4.gif', 'image/gif')
668:
669: def mark5(self):
670: """mark image"""
671: return sendFile(self, 'images/mark5.gif', 'image/gif')
672:
673: def mark6(self):
674: """mark image"""
675: return sendFile(self, 'images/mark6.gif', 'image/gif')
676:
677: def mark7(self):
678: """mark image"""
679: return sendFile(self, 'images/mark7.gif', 'image/gif')
680:
681: def mark8(self):
682: """mark image"""
683: return sendFile(self, 'images/mark8.gif', 'image/gif')
684:
685: def corner1(self):
686: """mark image"""
687: return sendFile(self, 'images/olinks.gif', 'image/gif')
688:
689: def corner2(self):
690: """mark image"""
691: return sendFile(self, 'images/orechts.gif', 'image/gif')
692:
693: def corner3(self):
694: """mark image"""
695: return sendFile(self, 'images/ulinks.gif', 'image/gif')
696:
697: def corner4(self):
698: """mark image"""
699: return sendFile(self, 'images/urechts.gif', 'image/gif')
700:
701: def up_img(self):
702: """mark image"""
703: return sendFile(self, 'images/up.gif', 'image/gif')
704:
705: def down_img(self):
706: """mark image"""
707: return sendFile(self, 'images/down.gif', 'image/gif')
708:
709: def left_img(self):
710: """mark image"""
711: return sendFile(self, 'images/left.gif', 'image/gif')
712:
713: def right_img(self):
714: """mark image"""
715: return sendFile(self, 'images/right.gif', 'image/gif')
716:
717:
718:
719: def index_html(self):
720: """main action"""
721: self.checkQuery()
722: bt = self.REQUEST.SESSION['browserType']
723: tp = "zogiLibMainTemplate"
724:
725: if hasattr(self, tp):
726: pt = getattr(self, tp)
727: else:
728: tpt = self.layout
729:
730: if bt['staticHTML']:
731: tpt = "static"
732:
733: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogiLibMain_%s'%tpt)).__of__(self)
734:
735: return pt()
736:
737:
738: def storeQuery(self, more = None):
739: """storeQuery in session"""
740: dlParams = {}
741: for fm in self.REQUEST.form.keys():
742: dlParams[fm] = self.REQUEST.form[fm]
743: # look for more
744: if more:
745: for fm in more.split('&'):
746: try:
747: pv = fm.split('=')
748: dlParams[pv[0]] = pv[1]
749: except:
750: pass
751:
752: # parse digilib mode parameter
753: if 'mo' in dlParams:
754: if len(dlParams['mo']) > 0:
755: modes=dlParams['mo'].split(',')
756: else:
757: modes=[]
758:
759: wid = self.getWID()
760: self.REQUEST.set('wid', wid)
761: self.setSubSession('dlQuery', dlParams)
762: self.setSubSession('dlModes', modes)
763: self.setSubSession('dlInfo', self.getDLInfo())
764: if not self.REQUEST.SESSION.has_key('browserType'):
765: self.REQUEST.SESSION['browserType'] = browserCheck(self)
766:
767: return
768:
769: def checkQuery(self):
770: """check if the query has been stored"""
771: if not (self.REQUEST.SESSION and self.getSubSession('dlQuery')) :
772: print "ZOGILIB: have to store query!!"
773: self.storeQuery()
774: return
775:
776: def zogilibPath(self, otherbase=None):
777: """returns an URL to the zogiLib instance"""
778: url = self.REQUEST['URL1']
779: # should end with "/"
780: if len(url) > 0 and url[-1] != '/':
781: url += '/'
782: if type(otherbase) is str:
783: url += otherbase
784: else:
785: url += self.basePath
786: # should end with "/"
787: if len(url) > 0 and url[-1] != '/':
788: url += '/'
789: return url
790:
791: def zogilibAction(self, action, otherbase=None, wid=None):
792: """returns a URL with zogilib path, action and wid"""
793: url = self.zogilibPath(otherbase)
794: url += action
795: if wid:
796: url += '?wid=' + wid
797: else:
798: url += '?wid=' + self.getWID()
799: return url
800:
801: def getSubSession(self, key, default=None):
802: """returns an element from a session with a wid"""
803: wid = self.getWID()
804: return self.REQUEST.SESSION.get(key+'_'+wid, default)
805:
806: def setSubSession(self, key, value):
807: """puts an element in a session with a wid"""
808: wid = self.getWID()
809: self.REQUEST.SESSION.set(key+'_'+wid, value)
810: return
811:
812: def getWID(self):
813: """returns a (new) window id"""
814: wid = self.REQUEST.get('wid')
815: if not wid:
816: wid = 'digi_'+str(int(random.random()*10000))
817: print "new WID:", wid
818: return wid
819:
820: def getDLParam(self, param):
821: """returns parameter"""
822: try:
823: return self.getSubSession('dlQuery').get(param)
824: except:
825: return
826:
827: def setDLParam(self, param, value):
828: """sets parameter"""
829: dlParams = self.getSubSession('dlQuery')
830: #try:
831: dlParams[param] = value
832: #except:
833: # self.setSubSession('dlQuery', {param: value})
834: return
835:
836: def getAllDLParams(self):
837: """parameter string for digilib"""
838: dlParams = self.getSubSession('dlQuery')
839: # save modes
840: modes = self.getSubSession('dlModes')
841: dlParams['mo'] = string.join(modes, ',')
842: # assemble query string
843: ret = ""
844: for param in dlParams.keys():
845: if dlParams[param] is None: continue
846: val = str(dlParams[param])
847: if val != "":
848: ret += param + "=" + val + "&"
849:
850: # omit trailing "&"
851: return ret.rstrip('&')
852:
853:
854: def setDLParams(self,pn=None,ws=None,rot=None,brgt=None,cont=None):
855: """setze Parameter"""
856:
857: self.setDLParam('brgt', brgt)
858: self.setDLParam('cont', cont)
859: self.setDLParam('ws', ws)
860: self.setDLParam('rot', rot)
861:
862: if pn:
863: # unmark
864: self.setDLParam('mk', None)
865: self.setDLParam('pn', pn)
866:
867: return self.display()
868:
869:
870: def display(self):
871: """(re)display page"""
872: if not self.getDLParam('wid'):
873: wid = self.getWID()
874: self.setDLParam('wid', wid)
875:
876: params = self.getAllDLParams()
877:
878: if self.basePath:
879: self.REQUEST.RESPONSE.redirect(self.REQUEST['URL2']+'?'+params)
880: else:
881: self.REQUEST.RESPONSE.redirect(self.REQUEST['URL1']+'?'+params)
882:
883: def getMetaFileName(self):
884: url=self.dlServerURL+'/dlContext-xml.jsp?'+self.getAllDLParams()
885: return urlbase
886:
887: def getToolbarPageURL(self):
888: """returns a toolbar-enabled page URL"""
889: url=self.dlToolbarBaseURL+self.getAllDLParams()
890: return url
891:
892: def getDLTarget(self):
893: """returns dlTarget"""
894: self.checkQuery()
895: s = self.dlTarget
896: if s == None:
897: s = ""
898: # s = 'dl'
899: # if self.getDLParam('fn'):
900: # s += "_" + self.getDLParam('fn')
901: # if self.getDLParam('pn'):
902: # s += "_" + self.getDLParam('pn')
903: return s
904:
905: def setStaticHTML(self, static=True):
906: """sets the preference to static HTML"""
907: self.checkQuery()
908: self.REQUEST.SESSION['browserType']['staticHTML'] = static
909: return
910:
911: def isStaticHTML(self):
912: """returns if the page is using static HTML only"""
913: self.checkQuery()
914: return self.REQUEST.SESSION['browserType']['staticHTML']
915:
916: def getPT(self):
917: """pagenums"""
918: di = self.getSubSession('dlInfo_')
919: if di:
920: return int(di['pt'])
921: else:
922: return 1
923:
924: def getPN(self):
925: """Pagenum"""
926: pn = self.getDLParam('pn')
927: try:
928: return int(pn)
929: except:
930: return 1
931:
932: def getBiggerWS(self):
933: """ws+1"""
934: ws = self.getDLParam('ws')
935: try:
936: return float(ws)+0.5
937: except:
938: return 1.5
939:
940: def getSmallerWS(self):
941: """ws-1"""
942: ws=self.getDLParam('ws')
943: try:
944: return max(float(ws)-0.5, 1)
945: except:
946: return 1
947:
948: def hasMode(self, mode):
949: """returns if mode is in the diglib mo parameter"""
950: wid = self.getWID()
951: return (mode in self.REQUEST.SESSION['dlModes_'+wid])
952:
953: def hasNextPage(self):
954: """returns if there is a next page"""
955: pn = self.getPN()
956: pt = self.getPT()
957: return (pn < pt)
958:
959: def hasPrevPage(self):
960: """returns if there is a previous page"""
961: pn = self.getPN()
962: return (pn > 1)
963:
964: def canMoveLeft(self):
965: """returns if its possible to move left"""
966: wx = float(self.getDLParam('wx') or 0)
967: return (wx > 0)
968:
969: def canMoveRight(self):
970: """returns if its possible to move right"""
971: wx = float(self.getDLParam('wx') or 0)
972: ww = float(self.getDLParam('ww') or 1)
973: return (wx + ww < 1)
974:
975: def canMoveUp(self):
976: """returns if its possible to move up"""
977: wy = float(self.getDLParam('wy') or 0)
978: return (wy > 0)
979:
980: def canMoveDown(self):
981: """returns if its possible to move down"""
982: wy = float(self.getDLParam('wy') or 0)
983: wh = float(self.getDLParam('wh') or 1)
984: return (wy + wh < 1)
985:
986:
987: def dl_StaticHTML(self):
988: """set rendering to static HTML"""
989: self.checkQuery()
990: self.REQUEST.SESSION['browserType']['staticHTML'] = True
991: return self.display()
992:
993: def dl_DynamicHTML(self):
994: """set rendering to dynamic HTML"""
995: self.checkQuery()
996: self.REQUEST.SESSION['browserType']['staticHTML'] = False
997: return self.display()
998:
999: def dl_HMirror(self):
1000: """mirror action"""
1001: modes = self.getSubSession('dlModes')
1002: if 'hmir' in modes:
1003: modes.remove('hmir')
1004: else:
1005: modes.append('hmir')
1006:
1007: return self.display()
1008:
1009: def dl_VMirror(self):
1010: """mirror action"""
1011: modes = self.getSubSession('dlModes')
1012: if 'vmir' in modes:
1013: modes.remove('vmir')
1014: else:
1015: modes.append('vmir')
1016:
1017: return self.display()
1018:
1019: def dl_Zoom(self, z):
1020: """general zoom action"""
1021: ww1 = float(self.getDLParam('ww') or 1)
1022: wh1 = float(self.getDLParam('wh') or 1)
1023: wx = float(self.getDLParam('wx') or 0)
1024: wy = float(self.getDLParam('wy') or 0)
1025: ww2 = ww1 * z
1026: wh2 = wh1 * z
1027: wx += (ww1 - ww2) / 2
1028: wy += (wh1 - wh2) / 2
1029: ww2 = max(min(ww2, 1), 0)
1030: wh2 = max(min(wh2, 1), 0)
1031: wx = max(min(wx, 1), 0)
1032: wy = max(min(wy, 1), 0)
1033: self.setDLParam('ww', cropf(ww2))
1034: self.setDLParam('wh', cropf(wh2))
1035: self.setDLParam('wx', cropf(wx))
1036: self.setDLParam('wy', cropf(wy))
1037: return self.display()
1038:
1039: def dl_ZoomIn(self):
1040: """zoom in action"""
1041: z = 0.7071
1042: return self.dl_Zoom(z)
1043:
1044: def dl_ZoomOut(self):
1045: """zoom out action"""
1046: z = 1.4142
1047: return self.dl_Zoom(z)
1048:
1049: def dl_Move(self, dx, dy):
1050: """general move action"""
1051: ww = float(self.getDLParam('ww') or 1)
1052: wh = float(self.getDLParam('wh') or 1)
1053: wx = float(self.getDLParam('wx') or 0)
1054: wy = float(self.getDLParam('wy') or 0)
1055: wx += dx * 0.5 * ww
1056: wy += dy * 0.5 * wh
1057: wx = max(min(wx, 1), 0)
1058: wy = max(min(wy, 1), 0)
1059: self.setDLParam('wx', cropf(wx))
1060: self.setDLParam('wy', cropf(wy))
1061: return self.display()
1062:
1063: def dl_MoveLeft(self):
1064: """move left action"""
1065: return self.dl_Move(-1, 0)
1066:
1067: def dl_MoveRight(self):
1068: """move left action"""
1069: return self.dl_Move(1, 0)
1070:
1071: def dl_MoveUp(self):
1072: """move left action"""
1073: return self.dl_Move(0, -1)
1074:
1075: def dl_MoveDown(self):
1076: """move left action"""
1077: return self.dl_Move(0, 1)
1078:
1079: def dl_WholePage(self):
1080: """zoom out action"""
1081: self.setDLParam('ww', 1)
1082: self.setDLParam('wh', 1)
1083: self.setDLParam('wx', 0)
1084: self.setDLParam('wy', 0)
1085: return self.display()
1086:
1087: def dl_PrevPage(self):
1088: """next page action"""
1089: pn = self.getPN() - 1
1090: if pn < 1:
1091: pn = 1
1092: self.setDLParam('pn', pn)
1093: # unmark
1094: self.setDLParam('mk', None)
1095: return self.display()
1096:
1097: def dl_NextPage(self):
1098: """next page action"""
1099: pn = self.getPN() + 1
1100: pt = self.getPT()
1101: if pn > pt:
1102: pn = pt
1103: self.setDLParam('pn', pn)
1104: # unmark
1105: self.setDLParam('mk', None)
1106: return self.display()
1107:
1108: def dl_FirstPage(self):
1109: """first page action"""
1110: self.setDLParam('pn', 1)
1111: # unmark
1112: self.setDLParam('mk', None)
1113: return self.display()
1114:
1115: def dl_LastPage(self):
1116: """last page action"""
1117: self.setDLParam('pn', self.getPT())
1118: # unmark
1119: self.setDLParam('mk', None)
1120: return self.display()
1121:
1122: def dl_Unmark(self):
1123: """action to remove last mark"""
1124: mk = self.getDLParam('mk')
1125: if mk:
1126: marks = mk.split(',')
1127: marks.pop()
1128: mk = string.join(marks, ',')
1129: self.setDLParam('mk', mk)
1130: return self.display()
1131:
1132: def dl_db(self,db):
1133: """set db"""
1134: self.setDLParam('db',db)
1135: self.display()
1136:
1137: def changeZogiLibForm(self):
1138: """Main configuration"""
1139: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/changeZogiLibForm.zpt')).__of__(self)
1140: return pt()
1141:
1142: def changeZogiLib(self,title,dlServerURL, version, basePath, dlTarget, dlToolbarBaseURL, RESPONSE=None):
1143: """change it"""
1144: self.title=title
1145: self.dlServerURL=dlServerURL
1146: self.basePath = basePath
1147: self.layout=version
1148: self.dlTarget = dlTarget
1149:
1150: if dlToolbarBaseURL:
1151: self.dlToolbarBaseURL = dlToolbarBaseURL
1152: else:
1153: self.dlToolbarBaseURL = dlServerURL + "/digimage.jsp?"
1154:
1155: if RESPONSE is not None:
1156: RESPONSE.redirect('manage_main')
1157:
1158:
1159:
1160: ##
1161: ## odds and ends
1162: ##
1163:
1164: def repairZogilib(self, obj=None):
1165: """change stuff that broke on upgrading"""
1166:
1167: msg = ""
1168:
1169: if not obj:
1170: obj = self.getPhysicalRoot()
1171:
1172: print "starting in ", obj
1173:
1174: entries=obj.ZopeFind(obj,obj_metatypes=['zogiLib'],search_sub=1)
1175:
1176: for entry in entries:
1177: print " found ", entry
1178: #
1179: # replace digilibBaseUrl by dlServerURL
1180: if hasattr(entry[1], 'digilibBaseUrl'):
1181: msg += " fixing digilibBaseUrl in "+entry[0]+"\n"
1182: entry[1].dlServerURL = re.sub('/servlet/Scaler\?','',entry[1].digilibBaseUrl)
1183: del entry[1].digilibBaseUrl
1184:
1185: #
1186: # add dlToolbarBaseURL
1187: if not hasattr(entry[1], 'dlToolbarBaseURL'):
1188: msg += " fixing dlToolbarBaseURL in "+entry[0]+"\n"
1189: entry[1].dlToolbarBaseURL = entry[1].dlServerURL + "/digimage.jsp?"
1190:
1191: return msg+"\n\nfixed all zogilib instances in: "+obj.title
1192:
1193:
1194: def manage_addZogiLibForm(self):
1195: """interface for adding zogilib"""
1196: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/addZogiLibForm')).__of__(self)
1197: return pt()
1198:
1199: def manage_addZogiLib(self,id,title,dlServerURL,version="book",basePath="",dlTarget=None,dlToolbarBaseURL=None,RESPONSE=None):
1200: """add dgilib"""
1201: newObj=zogiLib(id,title,dlServerURL, version, basePath, dlTarget, dlToolbarBaseURL)
1202: self.Destination()._setObject(id,newObj)
1203: if RESPONSE is not None:
1204: RESPONSE.redirect('manage_main')
1205:
1206:
1207: class zogiLibPageTemplate(ZopePageTemplate):
1208: """pageTemplate Objekt"""
1209: meta_type="zogiLib_pageTemplate"
1210:
1211:
1212: ## def __init__(self, id, text=None, contentType=None):
1213: ## self.id = str(id)
1214: ## self.ZBindings_edit(self._default_bindings)
1215: ## if text is None:
1216: ## text = open(self._default_cont).read()
1217: ## self.pt_edit(text, contentType)
1218:
1219: def manage_addZogiLibPageTemplateForm(self):
1220: """Form for adding"""
1221: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/addZogiLibPageTemplateForm')).__of__(self)
1222: return pt()
1223:
1224: def manage_addZogiLibPageTemplate(self, id='zogiLibMainTemplate', title=None, layout=None, text=None,
1225: REQUEST=None, submit=None):
1226: "Add a Page Template with optional file content."
1227:
1228: id = str(id)
1229: self._setObject(id, zogiLibPageTemplate(id))
1230: ob = getattr(self, id)
1231: if not layout: layout = "book"
1232: ob.pt_edit(open(os.path.join(package_home(globals()),'zpt/zogiLibMain_%s.zpt'%layout)).read(),None)
1233: if title:
1234: ob.pt_setTitle(title)
1235: try:
1236: u = self.DestinationURL()
1237: except AttributeError:
1238: u = REQUEST['URL1']
1239:
1240: u = "%s/%s" % (u, urllib.quote(id))
1241: REQUEST.RESPONSE.redirect(u+'/manage_main')
1242: return ''
1243:
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