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: from Globals import package_home
16:
17: ZOGIVERSION = "0.9.7 ROC:21.7.2004"
18:
19: def cropf(f):
20: """returns a float with reduced precision"""
21: return float(int(f * 10000)/10000.0)
22:
23:
24: def sendFile(self, filename, type):
25: """sends an object or a local file (in the product) as response"""
26: paths = filename.split('/')
27: object = self
28: # look for an object called filename
29: for path in paths:
30: if hasattr(object, path):
31: object = getattr(object, path)
32: else:
33: object = None
34: break
35: if object:
36: # if the object exists then send it
37: return object.index_html(self.REQUEST.REQUEST, self.REQUEST.RESPONSE)
38: else:
39: # send a local file with the given content-type
40: fn = os.path.join(package_home(globals()), filename)
41: self.REQUEST.RESPONSE.setHeader("Content-Type", type)
42: self.REQUEST.RESPONSE.write(file(fn).read())
43: return
44:
45: def browserCheck(self):
46: """check the browsers request to find out the browser type"""
47: bt = {}
48: ua = self.REQUEST.get_header("HTTP_USER_AGENT")
49: bt['ua'] = ua
50: bt['isIE'] = string.find(ua, 'MSIE') > -1
51: bt['isN4'] = (string.find(ua, 'Mozilla/4.') > -1) and not bt['isIE']
52: nav = ua[string.find(ua, '('):]
53: ie = string.split(nav, "; ")[1]
54: if string.find(ie, "MSIE") > -1:
55: bt['versIE'] = string.split(ie, " ")[1]
56: bt['isMac'] = string.find(ua, 'Macintosh') > -1
57: bt['isWin'] = string.find(ua, 'Windows') > -1
58: bt['isIEWin'] = bt['isIE'] and bt['isWin']
59: bt['isIEMac'] = bt['isIE'] and bt['isMac']
60: bt['staticHTML'] = False
61:
62: return bt
63:
64:
65: class zogiImage(Image):
66: """einzelnes Image"""
67: meta_type="zogiImage"
68:
69: manage_options=ZopePageTemplate.manage_options+(
70: {'label':'Main config','action':'changeZogiImageForm'},
71: )
72:
73:
74: def __init__(self,id,title,baseUrl,queryString,content_type='',precondition=''):
75: """init"""
76: self.id=id
77: self.title=title
78: self.baseUrl=baseUrl
79: self.queryString=queryString
80: self.content_type=content_type
81: self.precondition=precondition
82:
83: def getData(self):
84: """getUrlData"""
85: return urllib.urlopen(self.baseUrl+self.queryString)
86:
87: def changeZogiImageForm(self):
88: """Main configuration"""
89: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/changeZogiImageForm.zpt')).__of__(self)
90: return pt()
91:
92: def changeZogiImage(self,title,baseUrl, queryString,RESPONSE=None):
93: """change it"""
94: self.title=title
95: self.baseUrl=baseUrl
96: self.queryString=queryString
97:
98: if RESPONSE is not None:
99: RESPONSE.redirect('manage_main')
100:
101:
102: def index_html(self, REQUEST, RESPONSE):
103: """
104: Modified version of OFS/Image.py
105:
106: The default view of the contents of a File or Image.
107:
108: Returns the contents of the file or image. Also, sets the
109: Content-Type HTTP header to the objects content type.
110: """
111:
112: # HTTP If-Modified-Since header handling.
113: header=REQUEST.get_header('If-Modified-Since', None)
114: if header is not None:
115: header=header.split( ';')[0]
116: # Some proxies seem to send invalid date strings for this
117: # header. If the date string is not valid, we ignore it
118: # rather than raise an error to be generally consistent
119: # with common servers such as Apache (which can usually
120: # understand the screwy date string as a lucky side effect
121: # of the way they parse it).
122: # This happens to be what RFC2616 tells us to do in the face of an
123: # invalid date.
124: try: mod_since=long(DateTime(header).timeTime())
125: except: mod_since=None
126: if mod_since is not None:
127: if self._p_mtime:
128: last_mod = long(self._p_mtime)
129: else:
130: last_mod = long(0)
131: if last_mod > 0 and last_mod <= mod_since:
132: # Set header values since apache caching will return Content-Length
133: # of 0 in response if size is not set here
134: RESPONSE.setHeader('Last-Modified', rfc1123_date(self._p_mtime))
135: RESPONSE.setHeader('Content-Type', self.content_type)
136: RESPONSE.setHeader('Content-Length', self.size)
137: RESPONSE.setHeader('Accept-Ranges', 'bytes')
138: self.ZCacheable_set(None)
139: RESPONSE.setStatus(304)
140: return ''
141:
142: if self.precondition and hasattr(self,self.precondition):
143: # Grab whatever precondition was defined and then
144: # execute it. The precondition will raise an exception
145: # if something violates its terms.
146: c=getattr(self,self.precondition)
147: if hasattr(c,'isDocTemp') and c.isDocTemp:
148: c(REQUEST['PARENTS'][1],REQUEST)
149: else:
150: c()
151:
152: # HTTP Range header handling
153: range = REQUEST.get_header('Range', None)
154: request_range = REQUEST.get_header('Request-Range', None)
155: if request_range is not None:
156: # Netscape 2 through 4 and MSIE 3 implement a draft version
157: # Later on, we need to serve a different mime-type as well.
158: range = request_range
159: if_range = REQUEST.get_header('If-Range', None)
160: if range is not None:
161: ranges = HTTPRangeSupport.parseRange(range)
162:
163: if if_range is not None:
164: # Only send ranges if the data isn't modified, otherwise send
165: # the whole object. Support both ETags and Last-Modified dates!
166: if len(if_range) > 1 and if_range[:2] == 'ts':
167: # ETag:
168: if if_range != self.http__etag():
169: # Modified, so send a normal response. We delete
170: # the ranges, which causes us to skip to the 200
171: # response.
172: ranges = None
173: else:
174: # Date
175: date = if_range.split( ';')[0]
176: try: mod_since=long(DateTime(date).timeTime())
177: except: mod_since=None
178: if mod_since is not None:
179: if self._p_mtime:
180: last_mod = long(self._p_mtime)
181: else:
182: last_mod = long(0)
183: if last_mod > mod_since:
184: # Modified, so send a normal response. We delete
185: # the ranges, which causes us to skip to the 200
186: # response.
187: ranges = None
188:
189: if ranges:
190: # Search for satisfiable ranges.
191: satisfiable = 0
192: for start, end in ranges:
193: if start < self.size:
194: satisfiable = 1
195: break
196:
197: if not satisfiable:
198: RESPONSE.setHeader('Content-Range',
199: 'bytes */%d' % self.size)
200: RESPONSE.setHeader('Accept-Ranges', 'bytes')
201: RESPONSE.setHeader('Last-Modified',
202: rfc1123_date(self._p_mtime))
203: RESPONSE.setHeader('Content-Type', self.content_type)
204: RESPONSE.setHeader('Content-Length', self.size)
205: RESPONSE.setStatus(416)
206: return ''
207:
208: ranges = HTTPRangeSupport.expandRanges(ranges, self.size)
209:
210: if len(ranges) == 1:
211: # Easy case, set extra header and return partial set.
212: start, end = ranges[0]
213: size = end - start
214:
215: RESPONSE.setHeader('Last-Modified',
216: rfc1123_date(self._p_mtime))
217: RESPONSE.setHeader('Content-Type', self.content_type)
218: RESPONSE.setHeader('Content-Length', size)
219: RESPONSE.setHeader('Accept-Ranges', 'bytes')
220: RESPONSE.setHeader('Content-Range',
221: 'bytes %d-%d/%d' % (start, end - 1, self.size))
222: RESPONSE.setStatus(206) # Partial content
223:
224: data = urllib.urlopen(self.baseUrl+self.queryString).read()
225: if type(data) is StringType:
226: return data[start:end]
227:
228: # Linked Pdata objects. Urgh.
229: pos = 0
230: while data is not None:
231: l = len(data.data)
232: pos = pos + l
233: if pos > start:
234: # We are within the range
235: lstart = l - (pos - start)
236:
237: if lstart < 0: lstart = 0
238:
239: # find the endpoint
240: if end <= pos:
241: lend = l - (pos - end)
242:
243: # Send and end transmission
244: RESPONSE.write(data[lstart:lend])
245: break
246:
247: # Not yet at the end, transmit what we have.
248: RESPONSE.write(data[lstart:])
249:
250: data = data.next
251:
252: return ''
253:
254: else:
255: boundary = choose_boundary()
256:
257: # Calculate the content length
258: size = (8 + len(boundary) + # End marker length
259: len(ranges) * ( # Constant lenght per set
260: 49 + len(boundary) + len(self.content_type) +
261: len('%d' % self.size)))
262: for start, end in ranges:
263: # Variable length per set
264: size = (size + len('%d%d' % (start, end - 1)) +
265: end - start)
266:
267:
268: # Some clients implement an earlier draft of the spec, they
269: # will only accept x-byteranges.
270: draftprefix = (request_range is not None) and 'x-' or ''
271:
272: RESPONSE.setHeader('Content-Length', size)
273: RESPONSE.setHeader('Accept-Ranges', 'bytes')
274: RESPONSE.setHeader('Last-Modified',
275: rfc1123_date(self._p_mtime))
276: RESPONSE.setHeader('Content-Type',
277: 'multipart/%sbyteranges; boundary=%s' % (
278: draftprefix, boundary))
279: RESPONSE.setStatus(206) # Partial content
280:
281: data = urllib.urlopen(self.baseUrl+self.queryString).read()
282: # The Pdata map allows us to jump into the Pdata chain
283: # arbitrarily during out-of-order range searching.
284: pdata_map = {}
285: pdata_map[0] = data
286:
287: for start, end in ranges:
288: RESPONSE.write('\r\n--%s\r\n' % boundary)
289: RESPONSE.write('Content-Type: %s\r\n' %
290: self.content_type)
291: RESPONSE.write(
292: 'Content-Range: bytes %d-%d/%d\r\n\r\n' % (
293: start, end - 1, self.size))
294:
295: if type(data) is StringType:
296: RESPONSE.write(data[start:end])
297:
298: else:
299: # Yippee. Linked Pdata objects. The following
300: # calculations allow us to fast-forward through the
301: # Pdata chain without a lot of dereferencing if we
302: # did the work already.
303: first_size = len(pdata_map[0].data)
304: if start < first_size:
305: closest_pos = 0
306: else:
307: closest_pos = (
308: ((start - first_size) >> 16 << 16) +
309: first_size)
310: pos = min(closest_pos, max(pdata_map.keys()))
311: data = pdata_map[pos]
312:
313: while data is not None:
314: l = len(data.data)
315: pos = pos + l
316: if pos > start:
317: # We are within the range
318: lstart = l - (pos - start)
319:
320: if lstart < 0: lstart = 0
321:
322: # find the endpoint
323: if end <= pos:
324: lend = l - (pos - end)
325:
326: # Send and loop to next range
327: RESPONSE.write(data[lstart:lend])
328: break
329:
330: # Not yet at the end, transmit what we have.
331: RESPONSE.write(data[lstart:])
332:
333: data = data.next
334: # Store a reference to a Pdata chain link so we
335: # don't have to deref during this request again.
336: pdata_map[pos] = data
337:
338: # Do not keep the link references around.
339: del pdata_map
340:
341: RESPONSE.write('\r\n--%s--\r\n' % boundary)
342: return ''
343:
344: RESPONSE.setHeader('Last-Modified', rfc1123_date(self._p_mtime))
345: RESPONSE.setHeader('Content-Type', self.content_type)
346: RESPONSE.setHeader('Content-Length', self.size)
347: RESPONSE.setHeader('Accept-Ranges', 'bytes')
348:
349: # Don't cache the data itself, but provide an opportunity
350: # for a cache manager to set response headers.
351: self.ZCacheable_set(None)
352:
353: data=urllib.urlopen(self.baseUrl+self.queryString).read()
354:
355: if type(data) is type(''):
356: RESPONSE.setBase(None)
357: return data
358:
359: while data is not None:
360: RESPONSE.write(data.data)
361: data=data.next
362:
363: return ''
364:
365:
366: def manage_addZogiImageForm(self):
367: """Form for adding"""
368: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/addZogiImage.zpt')).__of__(self)
369: return pt()
370:
371:
372: def manage_addZogiImage(self,id,title,baseUrl, queryString,RESPONSE=None):
373: """add dgilib"""
374: newObj=zogiImage(id,title,baseUrl, queryString)
375: self.Destination()._setObject(id,newObj)
376: if RESPONSE is not None:
377: RESPONSE.redirect('manage_main')
378:
379:
380:
381: class zogiLib(Folder):
382: """StandardElement"""
383:
384: meta_type="zogiLib"
385: #xxxx
386:
387: manage_options = Folder.manage_options+(
388: {'label':'Main Config','action':'changeZogiLibForm'},
389: )
390:
391: def __init__(self, id, title, dlServerURL,localFileBase, version="book", basePath="", dlTarget=None):
392: """init"""
393:
394: self.id=id
395: self.title=title
396: self.dlServerURL = dlServerURL
397:
398: self.localFileBase=localFileBase
399: self.basePath=basePath
400: self.layout=version
401: if dlTarget:
402: self.dlTarget = dlTarget
403: else:
404: self.dlTarget = "digilib"
405:
406: def version(self):
407: """version information"""
408: return ZOGIVERSION
409:
410: def getContextStatic(self):
411: """get all the contexts which go to static pages"""
412:
413: try:
414: dom=xml.dom.minidom.parse(urllib.urlopen(self.getMetaFileName()))
415: contexts=dom.getElementsByTagName("context")
416:
417: ret=[]
418: for context in contexts:
419: name=getUniqueElementText(context.getElementsByTagName("name"))
420:
421: link=getUniqueElementText(context.getElementsByTagName("link"))
422: if name or link:
423: ret.append((name,link))
424: return ret
425: except:
426: return []
427:
428: def getContextDatabases(self):
429: """get all dynamic contexts"""
430: try:
431: dom=xml.dom.minidom.parse(urllib.urlopen(self.getMetaFileName()))
432: contexts=dom.getElementsByTagName("context")
433: ret=[]
434: for context in contexts:
435: metaDataLinks=context.getElementsByTagName("meta-datalink")
436: for metaDataLink in metaDataLinks:
437: db=metaDataLink.getAttribute("db")
438: link=self.REQUEST['URL1']+"/dl_db?db=%s"%db
439: if db:
440: ret.append((db,link))
441: metaDataLinks=context.getElementsByTagName("meta-baselink")
442:
443: for metaDataLink in metaDataLinks:
444: db=metaDataLink.getAttribute("db")
445: link=self.REQUEST['URL1']+"/dl_db?db=%s"%db
446: if db:
447: ret.append((db,link))
448:
449: return ret
450: except:
451: return ret
452:
453: def formatHTML(self,url,label=None,viewUrl=None):
454:
455:
456: sets=xml.dom.minidom.parse(urllib.urlopen(url)).getElementsByTagName('dataset')
457: ret=""
458: print label
459: if label:
460: ret+="""<a href="%s">%s</a>"""%(viewUrl,label)
461: for set in sets:
462: ret+="<table>"
463: for node in set.childNodes:
464: if hasattr(node,'tagName'):
465: tag=node.tagName
466: label=node.getAttribute("label")
467: if not label:
468: label=tag
469: text=getText(node.childNodes)
470: ret+="""<tr><td><b>%s:</b></td><td>%s</td></tr>"""%(label,text)
471: ret+="</table>"
472: return ret
473:
474: def getMetaData(self):
475: """getMetaData"""
476: try:
477: dom=xml.dom.minidom.parse(urllib.urlopen(self.getMetaFileName()))
478: except:
479: return "error metadata"
480:
481: contexts=dom.getElementsByTagName("context")
482: ret=[]
483: db=self.getDLParam("db")
484: ob=self.getDLParam("object")
485:
486: fn=self.getDLParam("fn")
487: pn=self.getDLParam("pn")
488: if not fn:
489: fn=""
490: if not pn:
491: pn=""
492: if not ob:
493: ob=""
494:
495: for context in contexts:
496: metaDataLinks=context.getElementsByTagName("meta-datalink")
497: for metaDataLink in metaDataLinks:
498:
499: if (db==metaDataLink.getAttribute("db")) or (len(metaDataLinks)==1):
500:
501: link=getUniqueElementText(metaDataLink.getElementsByTagName("metadata-url"))
502: label=getUniqueElementText(metaDataLink.getElementsByTagName("label"))
503: url=getUniqueElementText(metaDataLink.getElementsByTagName("url"))
504:
505: return self.formatHTML(link,label,url)
506:
507: metaDataLinks=context.getElementsByTagName("meta-baselink")
508:
509: for metaDataLink in metaDataLinks:
510:
511: if db==metaDataLink.getAttribute("db") or (len(metaDataLinks)==1):
512:
513: link=getUniqueElementText(metaDataLink.getElementsByTagName("metadata-url"))
514: label=getUniqueElementText(metaDataLink.getElementsByTagName("label"))
515: url=getUniqueElementText(metaDataLink.getElementsByTagName("url"))
516:
517: return self.formatHTML(link+'fn=%s&pn=%s&object=%s'%(fn,pn,ob),label,url)
518: return ret
519:
520: def getDLInfo(self):
521: """get DLInfo from digilib server"""
522: paramH={}
523: baseUrl=self.dlServerURL+"/dlInfo-xml.jsp"
524: try:
525: url=urllib.urlopen(baseUrl+self.REQUEST['QUERY_STRING'])
526: dom=xml.dom.minidom.parse(url)
527: params=dom.getElementsByTagName('parameter')
528: for param in params:
529: paramH[param.getAttribute('name')]=param.getAttribute('value')
530: return paramH
531: except:
532: return {}
533:
534:
535: def createHeadJS(self):
536: """generate all javascript tags for head"""
537: self.checkQuery()
538: bt = self.REQUEST.SESSION['browserType']
539: if bt['staticHTML']:
540: return
541:
542: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogilib_head_js')).__of__(self)
543: return pt()
544:
545: def createParamJS(self):
546: """generate javascript for parameters only"""
547: self.checkQuery()
548: bt = self.REQUEST.SESSION['browserType']
549: if bt['staticHTML']:
550: return
551:
552: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogilib_param_js')).__of__(self)
553: return pt()
554:
555:
556: def createScalerImg(self, requestString=None, bottom=0, side=0, width=500, height=500):
557: """generate Scaler IMG Tag"""
558: self.checkQuery()
559: bt = self.REQUEST.SESSION['browserType']
560: # override with parameters from session
561: if self.REQUEST.SESSION.has_key('scalerDiv'):
562: (requestString, bottom, side, width, height) = self.REQUEST.SESSION['scalerDiv']
563: # if not explicitly defined take normal request
564: if not requestString:
565: requestString = self.getAllDLParams()
566: url = self.dlServerURL+'/servlet/Scaler?'+requestString
567: # construct bottom and side insets
568: b_par = ""
569: s_par = ""
570: if (bottom != 0) or (side != 0):
571: b_par = "-" + str(int(bottom))
572: s_par = "-" + str(int(side))
573: tag = ""
574: if bt['staticHTML']:
575: tag += '<div id="scaler"><img id="pic" src="%s&dw=%i&dh=%i" /></div>'%(url, int(width-side), int(height-bottom))
576: else:
577: if bt['isN4']:
578: # N4 needs layers
579: tag += '<ilayer id="scaler">'
580: else:
581: tag += '<div id="scaler">'
582: tag += '<script type="text/javascript">'
583: tag += "var ps = bestPicSize(getElement('scaler'));"
584: # write img tag with javascript
585: tag += 'document.write(\'<img id="pic" src="%s&dw=\'+(ps.width%s)+\'&dh=\'+(ps.height%s)+\'" />\');'%(url, s_par, b_par)
586: tag += '</script>'
587: if bt['isN4']:
588: tag += '</ilayer>'
589: else:
590: tag += '</div>'
591: return tag
592:
593: def createScalerDiv(self, requestString = None, bottom = 0, side = 0, width=500, height=500):
594: """generate scaler img and table with navigation arrows"""
595: self.checkQuery()
596: if requestString != None or bottom != 0 or side != 0:
597: self.REQUEST.SESSION['scalerDiv'] = (requestString, bottom, side, width, height)
598: else:
599: if self.REQUEST.SESSION.has_key('scalerDiv'):
600: # make shure to remove unused parameter
601: del self.REQUEST.SESSION['scalerDiv']
602:
603: pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt/zogilib_img_div')).__of__(self)
604: return pt()
605:
606: def createAuxDiv(self):
607: """generate other divs"""
608: self.checkQuery()
609: bt = self.REQUEST.SESSION['browserType']
610: if bt['staticHTML']:
611: return
612: if bt['isN4']:
613: f = 'zpt/zogilib_divsN4.zpt'
614: else:
615: f = 'zpt/zogilib_divs.zpt'
616: pt=PageTemplateFile(os.path.join(package_home(globals()),f)).__of__(self)
617: return pt()
618:
619:
620: def option_js(self):
621: """javascript"""
622: return sendFile(self, 'js/option.js', 'text/plain')
623:
624: def dl_lib_js(self):
625: """javascript"""
626: return sendFile(self, 'js/dllib.js', 'text/plain')
627:
628: def js_lib_js(self):
629: """javascript"""
630: return sendFile(self, 'js/baselib.js', 'text/plain')
631:
632: def optionwindow(self):
633: """showoptions"""
634: self.checkQuery()
635: if self.REQUEST.has_key('frametarget'):
636: self.dlTarget = self.REQUEST['frametarget']
637: print "current dltarget: ", self.dlTarget
638: bt = self.REQUEST.SESSION['browserType']
639: if bt['staticHTML']:
640: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/optionwindow_static.zpt')).__of__(self)
641: else:
642: finds=self.ZopeFind(self,obj_ids=['viewingTools.zpt'])
643: if finds:
644:
645: return finds[0][1]()
646: else:
647: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/optionwindow.zpt')).__of__(self)
648: return pt()
649:
650: def mark1(self):
651: """mark image"""
652: return sendFile(self, 'images/mark1.gif', 'image/gif')
653:
654: def mark2(self):
655: """mark image"""
656: return sendFile(self, 'images/mark2.gif', 'image/gif')
657:
658: def mark3(self):
659: """mark image"""
660: return sendFile(self, 'images/mark3.gif', 'image/gif')
661:
662: def mark4(self):
663: """mark image"""
664: return sendFile(self, 'images/mark4.gif', 'image/gif')
665:
666: def mark5(self):
667: """mark image"""
668: return sendFile(self, 'images/mark5.gif', 'image/gif')
669:
670: def mark6(self):
671: """mark image"""
672: return sendFile(self, 'images/mark6.gif', 'image/gif')
673:
674: def mark7(self):
675: """mark image"""
676: return sendFile(self, 'images/mark7.gif', 'image/gif')
677:
678: def mark8(self):
679: """mark image"""
680: return sendFile(self, 'images/mark8.gif', 'image/gif')
681:
682: def corner1(self):
683: """mark image"""
684: return sendFile(self, 'images/olinks.gif', 'image/gif')
685:
686: def corner2(self):
687: """mark image"""
688: return sendFile(self, 'images/orechts.gif', 'image/gif')
689:
690: def corner3(self):
691: """mark image"""
692: return sendFile(self, 'images/ulinks.gif', 'image/gif')
693:
694: def corner4(self):
695: """mark image"""
696: return sendFile(self, 'images/urechts.gif', 'image/gif')
697:
698: def up_img(self):
699: """mark image"""
700: return sendFile(self, 'images/up.gif', 'image/gif')
701:
702: def down_img(self):
703: """mark image"""
704: return sendFile(self, 'images/down.gif', 'image/gif')
705:
706: def left_img(self):
707: """mark image"""
708: return sendFile(self, 'images/left.gif', 'image/gif')
709:
710: def right_img(self):
711: """mark image"""
712: return sendFile(self, 'images/right.gif', 'image/gif')
713:
714:
715:
716: def index_html(self):
717: """main action"""
718: self.checkQuery()
719: bt = self.REQUEST.SESSION['browserType']
720: tp = "zogiLibMainTemplate"
721:
722: if hasattr(self, tp):
723: pt = getattr(self, tp)
724: else:
725: tpt = self.layout
726:
727: if bt['staticHTML']:
728: tpt = "static"
729:
730: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogiLibMain_%s'%tpt)).__of__(self)
731:
732: return pt()
733:
734:
735:
736: def storeQuery(self, more = None):
737: """storeQuery in session"""
738: dlParams = {}
739: for fm in self.REQUEST.form.keys():
740: dlParams[fm] = self.REQUEST.form[fm]
741: # look for more
742: if more:
743: for fm in more.split('&'):
744: try:
745: pv = fm.split('=')
746: dlParams[pv[0]] = pv[1]
747: except:
748: pass
749:
750: # parse digilib mode parameter
751: if 'mo' in dlParams:
752: if len(dlParams['mo']) > 0:
753: modes=dlParams['mo'].split(',')
754: else:
755: modes=[]
756:
757: self.REQUEST.SESSION['query'] = dlParams
758: self.REQUEST.SESSION['dlModes'] = modes
759: self.REQUEST.SESSION['dlInfo'] = self.getDLInfo()
760: if not self.REQUEST.SESSION.has_key('browserType'):
761: self.REQUEST.SESSION['browserType'] = browserCheck(self)
762:
763: return
764:
765: def checkQuery(self):
766: """check if the query has been stored"""
767: if not (self.REQUEST.SESSION and self.REQUEST.SESSION.has_key('query')) :
768: print "ZOGILIB: have to store query!!"
769: self.storeQuery()
770: return
771:
772: def zogilibPath(self, otherbase=None):
773: """returns an URL to the zogiLib instance"""
774: url = self.REQUEST['URL1']
775: # should end with "/"
776: if len(url) > 0 and url[-1] != '/':
777: url += '/'
778: if type(otherbase) is str:
779: url += otherbase
780: else:
781: url += self.basePath
782: # should end with "/"
783: if len(url) > 0 and url[-1] != '/':
784: url += '/'
785: return url
786:
787: def getDLParam(self, param):
788: """returns parameter"""
789: try:
790: return self.REQUEST.SESSION['query'][param]
791: except:
792: return
793:
794: def setDLParam(self, param, value):
795: """sets parameter"""
796: self.REQUEST.SESSION['query'][param] = value
797: return
798:
799: def getAllDLParams(self):
800: """parameter string for digilib"""
801: dlParams = self.REQUEST.SESSION['query']
802: # save modes
803: modes = self.REQUEST.SESSION['dlModes']
804: dlParams['mo'] = string.join(modes, ',')
805: # assemble query string
806: ret = ""
807: for param in dlParams.keys():
808: if dlParams[param] is None: continue
809: val = str(dlParams[param])
810: if val != "":
811: ret += param + "=" + val + "&"
812:
813: # omit trailing "&"
814: return ret.rstrip('&')
815:
816:
817: def setDLParams(self,pn=None,ws=None,rot=None,brgt=None,cont=None):
818: """setze Parameter"""
819:
820: self.setDLParam('brgt', brgt)
821: self.setDLParam('cont', cont)
822: self.setDLParam('ws', ws)
823: self.setDLParam('rot', rot)
824:
825: if pn:
826: # unmark
827: self.setDLParam('mk', None)
828: self.setDLParam('pn', pn)
829:
830: return self.display()
831:
832:
833: def display(self):
834: """(re)display page"""
835: params = self.getAllDLParams()
836: if self.basePath:
837: self.REQUEST.RESPONSE.redirect(self.REQUEST['URL2']+'?'+params)
838: else:
839: self.REQUEST.RESPONSE.redirect(self.REQUEST['URL1']+'?'+params)
840:
841: def getMetaFileName(self):
842: url=self.dlServerURL+'/dlContext-xml.jsp?'+self.getAllDLParams()
843: return urlbase
844:
845: def getToolbarPageURL(self):
846: """returns a toolbar-enabled page URL"""
847: url=self.dlServerURL+'/digimage.jsp?'+self.getAllDLParams()
848: return url
849:
850: def getDLTarget(self):
851: """returns dlTarget"""
852: self.checkQuery()
853: s = self.dlTarget
854: # s = 'dl'
855: # if self.getDLParam('fn'):
856: # s += "_" + self.getDLParam('fn')
857: # if self.getDLParam('pn'):
858: # s += "_" + self.getDLParam('pn')
859: return s
860:
861: def setStaticHTML(self, static=True):
862: """sets the preference to static HTML"""
863: self.checkQuery()
864: self.REQUEST.SESSION['browserType']['staticHTML'] = static
865: return
866:
867: def isStaticHTML(self):
868: """returns if the page is using static HTML only"""
869: self.checkQuery()
870: return self.REQUEST.SESSION['browserType']['staticHTML']
871:
872: def getPT(self):
873: """pagenums"""
874: di = self.REQUEST.SESSION['dlInfo']
875: if di:
876: return int(di['pt'])
877: else:
878: return 1
879:
880: def getPN(self):
881: """Pagenum"""
882: pn = self.getDLParam('pn')
883: try:
884: return int(pn)
885: except:
886: return 1
887:
888: def getBiggerWS(self):
889: """ws+1"""
890: ws = self.getDLParam('ws')
891: try:
892: return float(ws)+0.5
893: except:
894: return 1.5
895:
896: def getSmallerWS(self):
897: """ws-1"""
898: ws=self.getDLParam('ws')
899: try:
900: return max(float(ws)-0.5, 1)
901: except:
902: return 1
903:
904: def hasMode(self, mode):
905: """returns if mode is in the diglib mo parameter"""
906: return (mode in self.REQUEST.SESSION['dlModes'])
907:
908: def hasNextPage(self):
909: """returns if there is a next page"""
910: pn = self.getPN()
911: pt = self.getPT()
912: return (pn < pt)
913:
914: def hasPrevPage(self):
915: """returns if there is a previous page"""
916: pn = self.getPN()
917: return (pn > 1)
918:
919: def canMoveLeft(self):
920: """returns if its possible to move left"""
921: wx = float(self.getDLParam('wx') or 0)
922: return (wx > 0)
923:
924: def canMoveRight(self):
925: """returns if its possible to move right"""
926: wx = float(self.getDLParam('wx') or 0)
927: ww = float(self.getDLParam('ww') or 1)
928: return (wx + ww < 1)
929:
930: def canMoveUp(self):
931: """returns if its possible to move up"""
932: wy = float(self.getDLParam('wy') or 0)
933: return (wy > 0)
934:
935: def canMoveDown(self):
936: """returns if its possible to move down"""
937: wy = float(self.getDLParam('wy') or 0)
938: wh = float(self.getDLParam('wh') or 1)
939: return (wy + wh < 1)
940:
941:
942: def dl_StaticHTML(self):
943: """set rendering to static HTML"""
944: self.checkQuery()
945: self.REQUEST.SESSION['browserType']['staticHTML'] = True
946: return self.display()
947:
948: def dl_DynamicHTML(self):
949: """set rendering to dynamic HTML"""
950: self.checkQuery()
951: self.REQUEST.SESSION['browserType']['staticHTML'] = False
952: return self.display()
953:
954: def dl_HMirror(self):
955: """mirror action"""
956: modes = self.REQUEST.SESSION['dlModes']
957: if 'hmir' in modes:
958: modes.remove('hmir')
959: else:
960: modes.append('hmir')
961:
962: return self.display()
963:
964: def dl_VMirror(self):
965: """mirror action"""
966: modes = self.REQUEST.SESSION['dlModes']
967: if 'vmir' in modes:
968: modes.remove('vmir')
969: else:
970: modes.append('vmir')
971:
972: return self.display()
973:
974: def dl_Zoom(self, z):
975: """general zoom action"""
976: ww1 = float(self.getDLParam('ww') or 1)
977: wh1 = float(self.getDLParam('wh') or 1)
978: wx = float(self.getDLParam('wx') or 0)
979: wy = float(self.getDLParam('wy') or 0)
980: ww2 = ww1 * z
981: wh2 = wh1 * z
982: wx += (ww1 - ww2) / 2
983: wy += (wh1 - wh2) / 2
984: ww2 = max(min(ww2, 1), 0)
985: wh2 = max(min(wh2, 1), 0)
986: wx = max(min(wx, 1), 0)
987: wy = max(min(wy, 1), 0)
988: self.setDLParam('ww', cropf(ww2))
989: self.setDLParam('wh', cropf(wh2))
990: self.setDLParam('wx', cropf(wx))
991: self.setDLParam('wy', cropf(wy))
992: return self.display()
993:
994: def dl_ZoomIn(self):
995: """zoom in action"""
996: z = 0.7071
997: return self.dl_Zoom(z)
998:
999: def dl_ZoomOut(self):
1000: """zoom out action"""
1001: z = 1.4142
1002: return self.dl_Zoom(z)
1003:
1004: def dl_Move(self, dx, dy):
1005: """general move action"""
1006: ww = float(self.getDLParam('ww') or 1)
1007: wh = float(self.getDLParam('wh') or 1)
1008: wx = float(self.getDLParam('wx') or 0)
1009: wy = float(self.getDLParam('wy') or 0)
1010: wx += dx * 0.5 * ww
1011: wy += dy * 0.5 * wh
1012: wx = max(min(wx, 1), 0)
1013: wy = max(min(wy, 1), 0)
1014: self.setDLParam('wx', cropf(wx))
1015: self.setDLParam('wy', cropf(wy))
1016: return self.display()
1017:
1018: def dl_MoveLeft(self):
1019: """move left action"""
1020: return self.dl_Move(-1, 0)
1021:
1022: def dl_MoveRight(self):
1023: """move left action"""
1024: return self.dl_Move(1, 0)
1025:
1026: def dl_MoveUp(self):
1027: """move left action"""
1028: return self.dl_Move(0, -1)
1029:
1030: def dl_MoveDown(self):
1031: """move left action"""
1032: return self.dl_Move(0, 1)
1033:
1034: def dl_WholePage(self):
1035: """zoom out action"""
1036: self.setDLParam('ww', 1)
1037: self.setDLParam('wh', 1)
1038: self.setDLParam('wx', 0)
1039: self.setDLParam('wy', 0)
1040: return self.display()
1041:
1042: def dl_PrevPage(self):
1043: """next page action"""
1044: pn = self.getPN() - 1
1045: if pn < 1:
1046: pn = 1
1047: self.setDLParam('pn', pn)
1048: # unmark
1049: self.setDLParam('mk', None)
1050: return self.display()
1051:
1052: def dl_NextPage(self):
1053: """next page action"""
1054: pn = self.getPN() + 1
1055: pt = self.getPT()
1056: if pn > pt:
1057: pn = pt
1058: self.setDLParam('pn', pn)
1059: # unmark
1060: self.setDLParam('mk', None)
1061: return self.display()
1062:
1063: def dl_FirstPage(self):
1064: """first page action"""
1065: self.setDLParam('pn', 1)
1066: # unmark
1067: self.setDLParam('mk', None)
1068: return self.display()
1069:
1070: def dl_LastPage(self):
1071: """last page action"""
1072: self.setDLParam('pn', self.getPT())
1073: # unmark
1074: self.setDLParam('mk', None)
1075: return self.display()
1076:
1077: def dl_Unmark(self):
1078: """action to remove last mark"""
1079: mk = self.getDLParam('mk')
1080: if mk:
1081: marks = mk.split(',')
1082: marks.pop()
1083: mk = string.join(marks, ',')
1084: self.setDLParam('mk', mk)
1085: return self.display()
1086:
1087: def dl_db(self,db):
1088: """set db"""
1089: self.setDLParam('db',db)
1090: self.display()
1091:
1092: def changeZogiLibForm(self):
1093: """Main configuration"""
1094: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/changeZogiLibForm.zpt')).__of__(self)
1095: return pt()
1096:
1097: def changeZogiLib(self,title,dlServerURL, localFileBase, version, basePath, dlTarget, RESPONSE=None):
1098: """change it"""
1099: self.title=title
1100: self.dlServerURL=dlServerURL
1101: self.localFileBase=localFileBase
1102: self.basePath = basePath
1103: self.layout=version
1104: if dlTarget:
1105: self.dlTarget = dlTarget
1106: else:
1107: self.dlTarget = "digilib"
1108:
1109: if RESPONSE is not None:
1110: RESPONSE.redirect('manage_main')
1111:
1112:
1113:
1114: ##
1115: ## odd stuff
1116: ##
1117:
1118: def repairZogilib(self, obj=None):
1119: """change stuff that broke on upgrading"""
1120:
1121: msg = ""
1122:
1123: if not obj:
1124: obj = self.getPhysicalRoot()
1125:
1126: print "starting in ", obj
1127:
1128: entries=obj.ZopeFind(obj,obj_metatypes=['zogiLib'],search_sub=1)
1129:
1130: for entry in entries:
1131: print " found ", entry
1132: if hasattr(entry[1], 'digilibBaseUrl'):
1133: msg += " fixing "+entry[0]+"\n"
1134: entry[1].dlServerURL = re.sub('/servlet/Scaler\?','',entry[1].digilibBaseUrl)
1135: del entry[1].digilibBaseUrl
1136:
1137: return msg+"\n\nfixed all zogilib instances in: "+obj.title
1138:
1139:
1140: def manage_addZogiLibForm(self):
1141: """interface for adding zogilib"""
1142: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/addZogiLibForm')).__of__(self)
1143: return pt()
1144:
1145: def manage_addZogiLib(self,id,title,dlServerURL, localFileBase,version="book",basePath="",dlTarget="digilib",RESPONSE=None):
1146: """add dgilib"""
1147: newObj=zogiLib(id,title,dlServerURL, localFileBase, version, basePath, dlTarget)
1148: self.Destination()._setObject(id,newObj)
1149: if RESPONSE is not None:
1150: RESPONSE.redirect('manage_main')
1151:
1152:
1153: class zogiLibPageTemplate(ZopePageTemplate):
1154: """pageTemplate Objekt"""
1155: meta_type="zogiLib_pageTemplate"
1156:
1157:
1158: ## def __init__(self, id, text=None, contentType=None):
1159: ## self.id = str(id)
1160: ## self.ZBindings_edit(self._default_bindings)
1161: ## if text is None:
1162: ## text = open(self._default_cont).read()
1163: ## self.pt_edit(text, contentType)
1164:
1165: def manage_addZogiLibPageTemplateForm(self):
1166: """Form for adding"""
1167: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/addZogiLibPageTemplateForm')).__of__(self)
1168: return pt()
1169:
1170: def manage_addZogiLibPageTemplate(self, id='zogiLibMainTemplate', title=None, layout=None, text=None,
1171: REQUEST=None, submit=None):
1172: "Add a Page Template with optional file content."
1173:
1174: id = str(id)
1175: self._setObject(id, zogiLibPageTemplate(id))
1176: ob = getattr(self, id)
1177: if not layout: layout = "book"
1178: ob.pt_edit(open(os.path.join(package_home(globals()),'zpt/zogiLibMain_%s.zpt'%layout)).read(),None)
1179: if title:
1180: ob.pt_setTitle(title)
1181: try:
1182: u = self.DestinationURL()
1183: except AttributeError:
1184: u = REQUEST['URL1']
1185:
1186: u = "%s/%s" % (u, urllib.quote(id))
1187: REQUEST.RESPONSE.redirect(u+'/manage_main')
1188: return ''
1189:
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