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:23.7.2004"
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, layout="book", basePath="", dlTarget=None, dlToolbarBaseURL=None):
392: """init"""
393:
394: self.id=id
395: self.title=title
396: self.dlServerURL = dlServerURL
397: self.basePath=basePath
398: self.layout=layout
399: if dlTarget:
400: self.dlTarget = dlTarget
401: else:
402: self.dlTarget = "digilib"
403:
404: if dlToolbarBaseURL:
405: self.dlToolbarBaseURL = dlToolbarBaseURL
406: else:
407: self.dlToolbarBaseURL = dlServerURL + "/digimage.jsp?"
408:
409:
410: def version(self):
411: """version information"""
412: return ZOGIVERSION
413:
414: def getContextStatic(self):
415: """get all the contexts which go to static pages"""
416:
417: try:
418: dom=xml.dom.minidom.parse(urllib.urlopen(self.getMetaFileName()))
419: contexts=dom.getElementsByTagName("context")
420:
421: ret=[]
422: for context in contexts:
423: name=getUniqueElementText(context.getElementsByTagName("name"))
424:
425: link=getUniqueElementText(context.getElementsByTagName("link"))
426: if name or link:
427: ret.append((name,link))
428: return ret
429: except:
430: return []
431:
432: def getContextDatabases(self):
433: """get all dynamic contexts"""
434: try:
435: dom=xml.dom.minidom.parse(urllib.urlopen(self.getMetaFileName()))
436: contexts=dom.getElementsByTagName("context")
437: ret=[]
438: for context in contexts:
439: metaDataLinks=context.getElementsByTagName("meta-datalink")
440: for metaDataLink in metaDataLinks:
441: db=metaDataLink.getAttribute("db")
442: link=self.REQUEST['URL1']+"/dl_db?db=%s"%db
443: if db:
444: ret.append((db,link))
445: metaDataLinks=context.getElementsByTagName("meta-baselink")
446:
447: for metaDataLink in metaDataLinks:
448: db=metaDataLink.getAttribute("db")
449: link=self.REQUEST['URL1']+"/dl_db?db=%s"%db
450: if db:
451: ret.append((db,link))
452:
453: return ret
454: except:
455: return ret
456:
457: def formatHTML(self,url,label=None,viewUrl=None):
458:
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: def getMetaData(self):
479: """getMetaData"""
480: try:
481: dom=xml.dom.minidom.parse(urllib.urlopen(self.getMetaFileName()))
482: except:
483: return "error metadata"
484:
485: contexts=dom.getElementsByTagName("context")
486: ret=[]
487: db=self.getDLParam("db")
488: ob=self.getDLParam("object")
489:
490: fn=self.getDLParam("fn")
491: pn=self.getDLParam("pn")
492: if not fn:
493: fn=""
494: if not pn:
495: pn=""
496: if not ob:
497: ob=""
498:
499: for context in contexts:
500: metaDataLinks=context.getElementsByTagName("meta-datalink")
501: for metaDataLink in metaDataLinks:
502:
503: if (db==metaDataLink.getAttribute("db")) or (len(metaDataLinks)==1):
504:
505: link=getUniqueElementText(metaDataLink.getElementsByTagName("metadata-url"))
506: label=getUniqueElementText(metaDataLink.getElementsByTagName("label"))
507: url=getUniqueElementText(metaDataLink.getElementsByTagName("url"))
508:
509: return self.formatHTML(link,label,url)
510:
511: metaDataLinks=context.getElementsByTagName("meta-baselink")
512:
513: for metaDataLink in metaDataLinks:
514:
515: if db==metaDataLink.getAttribute("db") or (len(metaDataLinks)==1):
516:
517: link=getUniqueElementText(metaDataLink.getElementsByTagName("metadata-url"))
518: label=getUniqueElementText(metaDataLink.getElementsByTagName("label"))
519: url=getUniqueElementText(metaDataLink.getElementsByTagName("url"))
520:
521: return self.formatHTML(link+'fn=%s&pn=%s&object=%s'%(fn,pn,ob),label,url)
522: return ret
523:
524: def getDLInfo(self):
525: """get DLInfo from digilib server"""
526: paramH={}
527: baseUrl=self.dlServerURL+"/dlInfo-xml.jsp"
528: try:
529: url=urllib.urlopen(baseUrl+self.REQUEST['QUERY_STRING'])
530: dom=xml.dom.minidom.parse(url)
531: params=dom.getElementsByTagName('parameter')
532: for param in params:
533: paramH[param.getAttribute('name')]=param.getAttribute('value')
534: return paramH
535: except:
536: return {}
537:
538:
539: def createHeadJS(self):
540: """generate all javascript tags for head"""
541: self.checkQuery()
542: bt = self.REQUEST.SESSION['browserType']
543: if bt['staticHTML']:
544: return
545:
546: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogilib_head_js')).__of__(self)
547: return pt()
548:
549: def createParamJS(self):
550: """generate javascript for parameters only"""
551: self.checkQuery()
552: bt = self.REQUEST.SESSION['browserType']
553: if bt['staticHTML']:
554: return
555:
556: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogilib_param_js')).__of__(self)
557: return pt()
558:
559:
560: def createScalerImg(self, requestString=None, bottom=0, side=0, width=500, height=500):
561: """generate Scaler IMG Tag"""
562: self.checkQuery()
563: bt = self.REQUEST.SESSION['browserType']
564: # override with parameters from session
565: if self.REQUEST.SESSION.has_key('scalerDiv'):
566: (requestString, bottom, side, width, height) = self.REQUEST.SESSION['scalerDiv']
567: # if not explicitly defined take normal request
568: if not requestString:
569: requestString = self.getAllDLParams()
570: url = self.dlServerURL+'/servlet/Scaler?'+requestString
571: # construct bottom and side insets
572: b_par = ""
573: s_par = ""
574: if (bottom != 0) or (side != 0):
575: b_par = "-" + str(int(bottom))
576: s_par = "-" + str(int(side))
577: tag = ""
578: if bt['staticHTML']:
579: tag += '<div id="scaler"><img id="pic" src="%s&dw=%i&dh=%i" /></div>'%(url, int(width-side), int(height-bottom))
580: else:
581: if bt['isN4']:
582: # N4 needs layers
583: tag += '<ilayer id="scaler">'
584: else:
585: tag += '<div id="scaler">'
586: tag += '<script type="text/javascript">'
587: tag += "var ps = bestPicSize(getElement('scaler'));"
588: # write img tag with javascript
589: tag += 'document.write(\'<img id="pic" src="%s&dw=\'+(ps.width%s)+\'&dh=\'+(ps.height%s)+\'" />\');'%(url, s_par, b_par)
590: tag += '</script>'
591: if bt['isN4']:
592: tag += '</ilayer>'
593: else:
594: tag += '</div>'
595: return tag
596:
597: def createScalerDiv(self, requestString = None, bottom = 0, side = 0, width=500, height=500):
598: """generate scaler img and table with navigation arrows"""
599: self.checkQuery()
600: if requestString != None or bottom != 0 or side != 0:
601: self.REQUEST.SESSION['scalerDiv'] = (requestString, bottom, side, width, height)
602: else:
603: if self.REQUEST.SESSION.has_key('scalerDiv'):
604: # make shure to remove unused parameter
605: del self.REQUEST.SESSION['scalerDiv']
606:
607: pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt/zogilib_img_div')).__of__(self)
608: return pt()
609:
610: def createAuxDiv(self):
611: """generate other divs"""
612: self.checkQuery()
613: bt = self.REQUEST.SESSION['browserType']
614: if bt['staticHTML']:
615: return
616: if bt['isN4']:
617: f = 'zpt/zogilib_divsN4.zpt'
618: else:
619: f = 'zpt/zogilib_divs.zpt'
620: pt=PageTemplateFile(os.path.join(package_home(globals()),f)).__of__(self)
621: return pt()
622:
623:
624: def option_js(self):
625: """javascript"""
626: return sendFile(self, 'js/option.js', 'text/plain')
627:
628: def dl_lib_js(self):
629: """javascript"""
630: return sendFile(self, 'js/dllib.js', 'text/plain')
631:
632: def js_lib_js(self):
633: """javascript"""
634: return sendFile(self, 'js/baselib.js', 'text/plain')
635:
636: def optionwindow(self):
637: """showoptions"""
638: self.checkQuery()
639: if self.REQUEST.has_key('frametarget'):
640: self.dlTarget = self.REQUEST['frametarget']
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:
739: def storeQuery(self, more = None):
740: """storeQuery in session"""
741: dlParams = {}
742: for fm in self.REQUEST.form.keys():
743: dlParams[fm] = self.REQUEST.form[fm]
744: # look for more
745: if more:
746: for fm in more.split('&'):
747: try:
748: pv = fm.split('=')
749: dlParams[pv[0]] = pv[1]
750: except:
751: pass
752:
753: # parse digilib mode parameter
754: if 'mo' in dlParams:
755: if len(dlParams['mo']) > 0:
756: modes=dlParams['mo'].split(',')
757: else:
758: modes=[]
759:
760: self.REQUEST.SESSION['query'] = dlParams
761: self.REQUEST.SESSION['dlModes'] = modes
762: self.REQUEST.SESSION['dlInfo'] = self.getDLInfo()
763: if not self.REQUEST.SESSION.has_key('browserType'):
764: self.REQUEST.SESSION['browserType'] = browserCheck(self)
765:
766: return
767:
768: def checkQuery(self):
769: """check if the query has been stored"""
770: if not (self.REQUEST.SESSION and self.REQUEST.SESSION.has_key('query')) :
771: print "ZOGILIB: have to store query!!"
772: self.storeQuery()
773: return
774:
775: def zogilibPath(self, otherbase=None):
776: """returns an URL to the zogiLib instance"""
777: url = self.REQUEST['URL1']
778: # should end with "/"
779: if len(url) > 0 and url[-1] != '/':
780: url += '/'
781: if type(otherbase) is str:
782: url += otherbase
783: else:
784: url += self.basePath
785: # should end with "/"
786: if len(url) > 0 and url[-1] != '/':
787: url += '/'
788: return url
789:
790: def getDLParam(self, param):
791: """returns parameter"""
792: try:
793: return self.REQUEST.SESSION['query'][param]
794: except:
795: return
796:
797: def setDLParam(self, param, value):
798: """sets parameter"""
799: self.REQUEST.SESSION['query'][param] = value
800: return
801:
802: def getAllDLParams(self):
803: """parameter string for digilib"""
804: dlParams = self.REQUEST.SESSION['query']
805: # save modes
806: modes = self.REQUEST.SESSION['dlModes']
807: dlParams['mo'] = string.join(modes, ',')
808: # assemble query string
809: ret = ""
810: for param in dlParams.keys():
811: if dlParams[param] is None: continue
812: val = str(dlParams[param])
813: if val != "":
814: ret += param + "=" + val + "&"
815:
816: # omit trailing "&"
817: return ret.rstrip('&')
818:
819:
820: def setDLParams(self,pn=None,ws=None,rot=None,brgt=None,cont=None):
821: """setze Parameter"""
822:
823: self.setDLParam('brgt', brgt)
824: self.setDLParam('cont', cont)
825: self.setDLParam('ws', ws)
826: self.setDLParam('rot', rot)
827:
828: if pn:
829: # unmark
830: self.setDLParam('mk', None)
831: self.setDLParam('pn', pn)
832:
833: return self.display()
834:
835:
836: def display(self):
837: """(re)display page"""
838: params = self.getAllDLParams()
839: if self.basePath:
840: self.REQUEST.RESPONSE.redirect(self.REQUEST['URL2']+'?'+params)
841: else:
842: self.REQUEST.RESPONSE.redirect(self.REQUEST['URL1']+'?'+params)
843:
844: def getMetaFileName(self):
845: url=self.dlServerURL+'/dlContext-xml.jsp?'+self.getAllDLParams()
846: return urlbase
847:
848: def getToolbarPageURL(self):
849: """returns a toolbar-enabled page URL"""
850: url=self.dlToolbarBaseURL+self.getAllDLParams()
851: return url
852:
853: def getDLTarget(self):
854: """returns dlTarget"""
855: self.checkQuery()
856: s = self.dlTarget
857: # s = 'dl'
858: # if self.getDLParam('fn'):
859: # s += "_" + self.getDLParam('fn')
860: # if self.getDLParam('pn'):
861: # s += "_" + self.getDLParam('pn')
862: return s
863:
864: def setStaticHTML(self, static=True):
865: """sets the preference to static HTML"""
866: self.checkQuery()
867: self.REQUEST.SESSION['browserType']['staticHTML'] = static
868: return
869:
870: def isStaticHTML(self):
871: """returns if the page is using static HTML only"""
872: self.checkQuery()
873: return self.REQUEST.SESSION['browserType']['staticHTML']
874:
875: def getPT(self):
876: """pagenums"""
877: di = self.REQUEST.SESSION['dlInfo']
878: if di:
879: return int(di['pt'])
880: else:
881: return 1
882:
883: def getPN(self):
884: """Pagenum"""
885: pn = self.getDLParam('pn')
886: try:
887: return int(pn)
888: except:
889: return 1
890:
891: def getBiggerWS(self):
892: """ws+1"""
893: ws = self.getDLParam('ws')
894: try:
895: return float(ws)+0.5
896: except:
897: return 1.5
898:
899: def getSmallerWS(self):
900: """ws-1"""
901: ws=self.getDLParam('ws')
902: try:
903: return max(float(ws)-0.5, 1)
904: except:
905: return 1
906:
907: def hasMode(self, mode):
908: """returns if mode is in the diglib mo parameter"""
909: return (mode in self.REQUEST.SESSION['dlModes'])
910:
911: def hasNextPage(self):
912: """returns if there is a next page"""
913: pn = self.getPN()
914: pt = self.getPT()
915: return (pn < pt)
916:
917: def hasPrevPage(self):
918: """returns if there is a previous page"""
919: pn = self.getPN()
920: return (pn > 1)
921:
922: def canMoveLeft(self):
923: """returns if its possible to move left"""
924: wx = float(self.getDLParam('wx') or 0)
925: return (wx > 0)
926:
927: def canMoveRight(self):
928: """returns if its possible to move right"""
929: wx = float(self.getDLParam('wx') or 0)
930: ww = float(self.getDLParam('ww') or 1)
931: return (wx + ww < 1)
932:
933: def canMoveUp(self):
934: """returns if its possible to move up"""
935: wy = float(self.getDLParam('wy') or 0)
936: return (wy > 0)
937:
938: def canMoveDown(self):
939: """returns if its possible to move down"""
940: wy = float(self.getDLParam('wy') or 0)
941: wh = float(self.getDLParam('wh') or 1)
942: return (wy + wh < 1)
943:
944:
945: def dl_StaticHTML(self):
946: """set rendering to static HTML"""
947: self.checkQuery()
948: self.REQUEST.SESSION['browserType']['staticHTML'] = True
949: return self.display()
950:
951: def dl_DynamicHTML(self):
952: """set rendering to dynamic HTML"""
953: self.checkQuery()
954: self.REQUEST.SESSION['browserType']['staticHTML'] = False
955: return self.display()
956:
957: def dl_HMirror(self):
958: """mirror action"""
959: modes = self.REQUEST.SESSION['dlModes']
960: if 'hmir' in modes:
961: modes.remove('hmir')
962: else:
963: modes.append('hmir')
964:
965: return self.display()
966:
967: def dl_VMirror(self):
968: """mirror action"""
969: modes = self.REQUEST.SESSION['dlModes']
970: if 'vmir' in modes:
971: modes.remove('vmir')
972: else:
973: modes.append('vmir')
974:
975: return self.display()
976:
977: def dl_Zoom(self, z):
978: """general zoom action"""
979: ww1 = float(self.getDLParam('ww') or 1)
980: wh1 = float(self.getDLParam('wh') or 1)
981: wx = float(self.getDLParam('wx') or 0)
982: wy = float(self.getDLParam('wy') or 0)
983: ww2 = ww1 * z
984: wh2 = wh1 * z
985: wx += (ww1 - ww2) / 2
986: wy += (wh1 - wh2) / 2
987: ww2 = max(min(ww2, 1), 0)
988: wh2 = max(min(wh2, 1), 0)
989: wx = max(min(wx, 1), 0)
990: wy = max(min(wy, 1), 0)
991: self.setDLParam('ww', cropf(ww2))
992: self.setDLParam('wh', cropf(wh2))
993: self.setDLParam('wx', cropf(wx))
994: self.setDLParam('wy', cropf(wy))
995: return self.display()
996:
997: def dl_ZoomIn(self):
998: """zoom in action"""
999: z = 0.7071
1000: return self.dl_Zoom(z)
1001:
1002: def dl_ZoomOut(self):
1003: """zoom out action"""
1004: z = 1.4142
1005: return self.dl_Zoom(z)
1006:
1007: def dl_Move(self, dx, dy):
1008: """general move action"""
1009: ww = float(self.getDLParam('ww') or 1)
1010: wh = float(self.getDLParam('wh') or 1)
1011: wx = float(self.getDLParam('wx') or 0)
1012: wy = float(self.getDLParam('wy') or 0)
1013: wx += dx * 0.5 * ww
1014: wy += dy * 0.5 * wh
1015: wx = max(min(wx, 1), 0)
1016: wy = max(min(wy, 1), 0)
1017: self.setDLParam('wx', cropf(wx))
1018: self.setDLParam('wy', cropf(wy))
1019: return self.display()
1020:
1021: def dl_MoveLeft(self):
1022: """move left action"""
1023: return self.dl_Move(-1, 0)
1024:
1025: def dl_MoveRight(self):
1026: """move left action"""
1027: return self.dl_Move(1, 0)
1028:
1029: def dl_MoveUp(self):
1030: """move left action"""
1031: return self.dl_Move(0, -1)
1032:
1033: def dl_MoveDown(self):
1034: """move left action"""
1035: return self.dl_Move(0, 1)
1036:
1037: def dl_WholePage(self):
1038: """zoom out action"""
1039: self.setDLParam('ww', 1)
1040: self.setDLParam('wh', 1)
1041: self.setDLParam('wx', 0)
1042: self.setDLParam('wy', 0)
1043: return self.display()
1044:
1045: def dl_PrevPage(self):
1046: """next page action"""
1047: pn = self.getPN() - 1
1048: if pn < 1:
1049: pn = 1
1050: self.setDLParam('pn', pn)
1051: # unmark
1052: self.setDLParam('mk', None)
1053: return self.display()
1054:
1055: def dl_NextPage(self):
1056: """next page action"""
1057: pn = self.getPN() + 1
1058: pt = self.getPT()
1059: if pn > pt:
1060: pn = pt
1061: self.setDLParam('pn', pn)
1062: # unmark
1063: self.setDLParam('mk', None)
1064: return self.display()
1065:
1066: def dl_FirstPage(self):
1067: """first page action"""
1068: self.setDLParam('pn', 1)
1069: # unmark
1070: self.setDLParam('mk', None)
1071: return self.display()
1072:
1073: def dl_LastPage(self):
1074: """last page action"""
1075: self.setDLParam('pn', self.getPT())
1076: # unmark
1077: self.setDLParam('mk', None)
1078: return self.display()
1079:
1080: def dl_Unmark(self):
1081: """action to remove last mark"""
1082: mk = self.getDLParam('mk')
1083: if mk:
1084: marks = mk.split(',')
1085: marks.pop()
1086: mk = string.join(marks, ',')
1087: self.setDLParam('mk', mk)
1088: return self.display()
1089:
1090: def dl_db(self,db):
1091: """set db"""
1092: self.setDLParam('db',db)
1093: self.display()
1094:
1095: def changeZogiLibForm(self):
1096: """Main configuration"""
1097: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/changeZogiLibForm.zpt')).__of__(self)
1098: return pt()
1099:
1100: def changeZogiLib(self,title,dlServerURL, version, basePath, dlTarget, dlToolbarBaseURL, RESPONSE=None):
1101: """change it"""
1102: self.title=title
1103: self.dlServerURL=dlServerURL
1104: self.basePath = basePath
1105: self.layout=version
1106: if dlTarget:
1107: self.dlTarget = dlTarget
1108: else:
1109: self.dlTarget = "digilib"
1110:
1111: if dlToolbarBaseURL:
1112: self.dlToolbarBaseURL = dlToolbarBaseURL
1113: else:
1114: self.dlToolbarBaseURL = dlServerURL + "/digimage.jsp?"
1115:
1116: if RESPONSE is not None:
1117: RESPONSE.redirect('manage_main')
1118:
1119:
1120:
1121: ##
1122: ## odd stuff
1123: ##
1124:
1125: def repairZogilib(self, obj=None):
1126: """change stuff that broke on upgrading"""
1127:
1128: msg = ""
1129:
1130: if not obj:
1131: obj = self.getPhysicalRoot()
1132:
1133: print "starting in ", obj
1134:
1135: entries=obj.ZopeFind(obj,obj_metatypes=['zogiLib'],search_sub=1)
1136:
1137: for entry in entries:
1138: print " found ", entry
1139: #
1140: # replace digilibBaseUrl by dlServerURL
1141: if hasattr(entry[1], 'digilibBaseUrl'):
1142: msg += " fixing digilibBaseUrl in "+entry[0]+"\n"
1143: entry[1].dlServerURL = re.sub('/servlet/Scaler\?','',entry[1].digilibBaseUrl)
1144: del entry[1].digilibBaseUrl
1145:
1146: #
1147: # add dlToolbarBaseURL
1148: if not hasattr(entry[1], 'dlToolbarBaseURL'):
1149: msg += " fixing dlToolbarBaseURL in "+entry[0]+"\n"
1150: entry[1].dlToolbarBaseURL = entry[1].dlServerURL + "/digimage.jsp?"
1151:
1152: return msg+"\n\nfixed all zogilib instances in: "+obj.title
1153:
1154:
1155: def manage_addZogiLibForm(self):
1156: """interface for adding zogilib"""
1157: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/addZogiLibForm')).__of__(self)
1158: return pt()
1159:
1160: def manage_addZogiLib(self,id,title,dlServerURL,layout="book",basePath="",dlTarget="digilib",dlToolbarBaseURL=None,RESPONSE=None):
1161: """add dgilib"""
1162: newObj=zogiLib(id,title,dlServerURL, localFileBase, version, basePath, dlTarget, dlToolbarBaseURL)
1163: self.Destination()._setObject(id,newObj)
1164: if RESPONSE is not None:
1165: RESPONSE.redirect('manage_main')
1166:
1167:
1168: class zogiLibPageTemplate(ZopePageTemplate):
1169: """pageTemplate Objekt"""
1170: meta_type="zogiLib_pageTemplate"
1171:
1172:
1173: ## def __init__(self, id, text=None, contentType=None):
1174: ## self.id = str(id)
1175: ## self.ZBindings_edit(self._default_bindings)
1176: ## if text is None:
1177: ## text = open(self._default_cont).read()
1178: ## self.pt_edit(text, contentType)
1179:
1180: def manage_addZogiLibPageTemplateForm(self):
1181: """Form for adding"""
1182: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/addZogiLibPageTemplateForm')).__of__(self)
1183: return pt()
1184:
1185: def manage_addZogiLibPageTemplate(self, id='zogiLibMainTemplate', title=None, layout=None, text=None,
1186: REQUEST=None, submit=None):
1187: "Add a Page Template with optional file content."
1188:
1189: id = str(id)
1190: self._setObject(id, zogiLibPageTemplate(id))
1191: ob = getattr(self, id)
1192: if not layout: layout = "book"
1193: ob.pt_edit(open(os.path.join(package_home(globals()),'zpt/zogiLibMain_%s.zpt'%layout)).read(),None)
1194: if title:
1195: ob.pt_setTitle(title)
1196: try:
1197: u = self.DestinationURL()
1198: except AttributeError:
1199: u = REQUEST['URL1']
1200:
1201: u = "%s/%s" % (u, urllib.quote(id))
1202: REQUEST.RESPONSE.redirect(u+'/manage_main')
1203: return ''
1204:
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