Annotation of zogiLib/zogiLib.py, revision 1.26
1.13 casties 1:
1.1 dwinter 2: from Products.PageTemplates.PageTemplateFile import PageTemplateFile
3: from Products.PageTemplates.PageTemplate import PageTemplate
4: from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
1.4 dwinter 5: from OFS.Image import Image
6: from webdav.common import rfc1123_date
1.1 dwinter 7:
8: import xml.dom.minidom
9: from OFS.Folder import Folder
10: from xml_helpers import getText
11: import os
12: import re
13: import string
14: import urllib
1.24 casties 15: import types
1.1 dwinter 16: from Globals import package_home
17:
1.15 casties 18: def sendFile(self, filename, type):
1.17 casties 19: """sends an object or a local file (in the product) as response"""
20: paths = filename.split('/')
21: object = self
22: # look for an object called filename
23: for path in paths:
24: if hasattr(object, path):
25: object = getattr(object, path)
26: else:
27: object = None
28: break
29: if object:
1.18 casties 30: # if the object exists then send it
31: return object.index_html(self.REQUEST.REQUEST, self.REQUEST.RESPONSE)
1.17 casties 32: else:
33: # send a local file with the given content-type
34: fn = os.path.join(package_home(globals()), filename)
35: self.REQUEST.RESPONSE.setHeader("Content-Type", type)
36: self.REQUEST.RESPONSE.write(file(fn).read())
1.15 casties 37: return
38:
1.26 ! casties 39: def browserCheck(self):
1.18 casties 40: """check the browsers request to find out the browser type"""
1.26 ! casties 41: bt = {}
! 42: ua = self.REQUEST.get_header("HTTP_USER_AGENT")
! 43: bt['ua'] = ua
! 44: bt['isIE'] = string.find(ua, 'MSIE') > -1
! 45: bt['isN4'] = (string.find(ua, 'Mozilla/4.') > -1) and not bt['isIE']
! 46: nav = ua[string.find(ua, '('):]
! 47: ie = string.split(nav, "; ")[1]
! 48: if string.find(ie, "MSIE") > -1:
! 49: bt['versIE'] = string.split(ie, " ")[1]
! 50: bt['isMac'] = string.find(ua, 'Macintosh') > -1
! 51: bt['isWin'] = string.find(ua, 'Windows') > -1
! 52: bt['isIEWin'] = bt['isIE'] and bt['isWin']
! 53: bt['isIEMac'] = bt['isIE'] and bt['isMac']
! 54: bt['staticHTML'] = False
1.5 dwinter 55:
1.26 ! casties 56: return bt
1.5 dwinter 57:
58: def manage_addZogiLibMainTemplateForm(self):
59: """Form for adding"""
1.18 casties 60: #FIXME:???
61: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/AddOSAS_thumbTemplate.zpt')).__of__(self)
1.5 dwinter 62: return pt()
63:
64:
65:
66:
67: def manage_addZogiLibMainTemplate(self, id,title=None, text=None,
68: REQUEST=None, submit=None):
69: "Add a Page Template with optional file content."
1.18 casties 70: #FIXME:???
1.5 dwinter 71: id = str(id)
72: if REQUEST is None:
73: self._setObject(id, zogiLib_mainTemplate(id, text))
74: ob = getattr(self, id)
75:
76: if title:
77: ob.pt_setTitle(title)
78: return ob
79: else:
80: file = REQUEST.form.get('file')
81: headers = getattr(file, 'headers', None)
82: if headers is None or not file.filename:
83: zpt = zogiLib_mainTemplate(id)
84: else:
85: zpt = zogiLib_mainTemplate(id, file, headers.get('content_type'))
86:
87: self._setObject(id, zpt)
88: ob = getattr(self, id)
89:
90:
91: try:
92: u = self.DestinationURL()
93: except AttributeError:
94: u = REQUEST['URL1']
95:
96: if submit == " Add and Edit ":
97: u = "%s/%s" % (u, quote(id))
98: REQUEST.RESPONSE.redirect(u+'/manage_main')
99: return ''
100:
1.1 dwinter 101:
1.4 dwinter 102: class zogiImage(Image):
103: """einzelnes Image"""
104: meta_type="zogiImage"
105:
1.18 casties 106: manage_options=ZopePageTemplate.manage_options+(
107: {'label':'Main config','action':'changeZogiImageForm'},
108: )
1.4 dwinter 109:
110:
111: def __init__(self,id,title,baseUrl,queryString,content_type='',precondition=''):
112: """init"""
113: self.id=id
114: self.title=title
115: self.baseUrl=baseUrl
116: self.queryString=queryString
117: self.content_type=content_type
118: self.precondition=precondition
119:
120: def getData(self):
121: """getUrlData"""
122: return urllib.urlopen(self.baseUrl+self.queryString)
123:
124: def changeZogiImageForm(self):
125: """Main configuration"""
1.18 casties 126: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/changeZogiImageForm.zpt')).__of__(self)
1.4 dwinter 127: return pt()
128:
129: def changeZogiImage(self,title,baseUrl, queryString,RESPONSE=None):
130: """change it"""
131: self.title=title
132: self.baseUrl=baseUrl
133: self.queryString=queryString
134:
135: if RESPONSE is not None:
136: RESPONSE.redirect('manage_main')
137:
138:
139: def index_html(self, REQUEST, RESPONSE):
140: """
141: Modified version of OFS/Image.py
1.1 dwinter 142:
1.4 dwinter 143: The default view of the contents of a File or Image.
144:
145: Returns the contents of the file or image. Also, sets the
146: Content-Type HTTP header to the objects content type.
147: """
148:
149: # HTTP If-Modified-Since header handling.
150: header=REQUEST.get_header('If-Modified-Since', None)
151: if header is not None:
152: header=header.split( ';')[0]
153: # Some proxies seem to send invalid date strings for this
154: # header. If the date string is not valid, we ignore it
155: # rather than raise an error to be generally consistent
156: # with common servers such as Apache (which can usually
157: # understand the screwy date string as a lucky side effect
158: # of the way they parse it).
159: # This happens to be what RFC2616 tells us to do in the face of an
160: # invalid date.
161: try: mod_since=long(DateTime(header).timeTime())
162: except: mod_since=None
163: if mod_since is not None:
164: if self._p_mtime:
165: last_mod = long(self._p_mtime)
166: else:
167: last_mod = long(0)
168: if last_mod > 0 and last_mod <= mod_since:
169: # Set header values since apache caching will return Content-Length
170: # of 0 in response if size is not set here
171: RESPONSE.setHeader('Last-Modified', rfc1123_date(self._p_mtime))
172: RESPONSE.setHeader('Content-Type', self.content_type)
173: RESPONSE.setHeader('Content-Length', self.size)
174: RESPONSE.setHeader('Accept-Ranges', 'bytes')
175: self.ZCacheable_set(None)
176: RESPONSE.setStatus(304)
177: return ''
178:
179: if self.precondition and hasattr(self,self.precondition):
180: # Grab whatever precondition was defined and then
181: # execute it. The precondition will raise an exception
182: # if something violates its terms.
183: c=getattr(self,self.precondition)
184: if hasattr(c,'isDocTemp') and c.isDocTemp:
185: c(REQUEST['PARENTS'][1],REQUEST)
186: else:
187: c()
188:
189: # HTTP Range header handling
190: range = REQUEST.get_header('Range', None)
191: request_range = REQUEST.get_header('Request-Range', None)
192: if request_range is not None:
193: # Netscape 2 through 4 and MSIE 3 implement a draft version
194: # Later on, we need to serve a different mime-type as well.
195: range = request_range
196: if_range = REQUEST.get_header('If-Range', None)
197: if range is not None:
198: ranges = HTTPRangeSupport.parseRange(range)
199:
200: if if_range is not None:
201: # Only send ranges if the data isn't modified, otherwise send
202: # the whole object. Support both ETags and Last-Modified dates!
203: if len(if_range) > 1 and if_range[:2] == 'ts':
204: # ETag:
205: if if_range != self.http__etag():
206: # Modified, so send a normal response. We delete
207: # the ranges, which causes us to skip to the 200
208: # response.
209: ranges = None
210: else:
211: # Date
212: date = if_range.split( ';')[0]
213: try: mod_since=long(DateTime(date).timeTime())
214: except: mod_since=None
215: if mod_since is not None:
216: if self._p_mtime:
217: last_mod = long(self._p_mtime)
218: else:
219: last_mod = long(0)
220: if last_mod > mod_since:
221: # Modified, so send a normal response. We delete
222: # the ranges, which causes us to skip to the 200
223: # response.
224: ranges = None
225:
226: if ranges:
227: # Search for satisfiable ranges.
228: satisfiable = 0
229: for start, end in ranges:
230: if start < self.size:
231: satisfiable = 1
232: break
233:
234: if not satisfiable:
235: RESPONSE.setHeader('Content-Range',
236: 'bytes */%d' % self.size)
237: RESPONSE.setHeader('Accept-Ranges', 'bytes')
238: RESPONSE.setHeader('Last-Modified',
239: rfc1123_date(self._p_mtime))
240: RESPONSE.setHeader('Content-Type', self.content_type)
241: RESPONSE.setHeader('Content-Length', self.size)
242: RESPONSE.setStatus(416)
243: return ''
244:
245: ranges = HTTPRangeSupport.expandRanges(ranges, self.size)
246:
247: if len(ranges) == 1:
248: # Easy case, set extra header and return partial set.
249: start, end = ranges[0]
250: size = end - start
251:
252: RESPONSE.setHeader('Last-Modified',
253: rfc1123_date(self._p_mtime))
254: RESPONSE.setHeader('Content-Type', self.content_type)
255: RESPONSE.setHeader('Content-Length', size)
256: RESPONSE.setHeader('Accept-Ranges', 'bytes')
257: RESPONSE.setHeader('Content-Range',
258: 'bytes %d-%d/%d' % (start, end - 1, self.size))
259: RESPONSE.setStatus(206) # Partial content
260:
261: data = urllib.urlopen(self.baseUrl+self.queryString).read()
262: if type(data) is StringType:
263: return data[start:end]
264:
265: # Linked Pdata objects. Urgh.
266: pos = 0
267: while data is not None:
268: l = len(data.data)
269: pos = pos + l
270: if pos > start:
271: # We are within the range
272: lstart = l - (pos - start)
273:
274: if lstart < 0: lstart = 0
275:
276: # find the endpoint
277: if end <= pos:
278: lend = l - (pos - end)
279:
280: # Send and end transmission
281: RESPONSE.write(data[lstart:lend])
282: break
283:
284: # Not yet at the end, transmit what we have.
285: RESPONSE.write(data[lstart:])
286:
287: data = data.next
288:
289: return ''
290:
291: else:
292: boundary = choose_boundary()
293:
294: # Calculate the content length
295: size = (8 + len(boundary) + # End marker length
296: len(ranges) * ( # Constant lenght per set
297: 49 + len(boundary) + len(self.content_type) +
298: len('%d' % self.size)))
299: for start, end in ranges:
300: # Variable length per set
301: size = (size + len('%d%d' % (start, end - 1)) +
302: end - start)
303:
304:
305: # Some clients implement an earlier draft of the spec, they
306: # will only accept x-byteranges.
307: draftprefix = (request_range is not None) and 'x-' or ''
308:
309: RESPONSE.setHeader('Content-Length', size)
310: RESPONSE.setHeader('Accept-Ranges', 'bytes')
311: RESPONSE.setHeader('Last-Modified',
312: rfc1123_date(self._p_mtime))
313: RESPONSE.setHeader('Content-Type',
314: 'multipart/%sbyteranges; boundary=%s' % (
315: draftprefix, boundary))
316: RESPONSE.setStatus(206) # Partial content
317:
318: data = urllib.urlopen(self.baseUrl+self.queryString).read()
319: # The Pdata map allows us to jump into the Pdata chain
320: # arbitrarily during out-of-order range searching.
321: pdata_map = {}
322: pdata_map[0] = data
323:
324: for start, end in ranges:
325: RESPONSE.write('\r\n--%s\r\n' % boundary)
326: RESPONSE.write('Content-Type: %s\r\n' %
327: self.content_type)
328: RESPONSE.write(
329: 'Content-Range: bytes %d-%d/%d\r\n\r\n' % (
330: start, end - 1, self.size))
331:
332: if type(data) is StringType:
333: RESPONSE.write(data[start:end])
334:
335: else:
336: # Yippee. Linked Pdata objects. The following
337: # calculations allow us to fast-forward through the
338: # Pdata chain without a lot of dereferencing if we
339: # did the work already.
340: first_size = len(pdata_map[0].data)
341: if start < first_size:
342: closest_pos = 0
343: else:
344: closest_pos = (
345: ((start - first_size) >> 16 << 16) +
346: first_size)
347: pos = min(closest_pos, max(pdata_map.keys()))
348: data = pdata_map[pos]
349:
350: while data is not None:
351: l = len(data.data)
352: pos = pos + l
353: if pos > start:
354: # We are within the range
355: lstart = l - (pos - start)
356:
357: if lstart < 0: lstart = 0
358:
359: # find the endpoint
360: if end <= pos:
361: lend = l - (pos - end)
362:
363: # Send and loop to next range
364: RESPONSE.write(data[lstart:lend])
365: break
366:
367: # Not yet at the end, transmit what we have.
368: RESPONSE.write(data[lstart:])
369:
370: data = data.next
371: # Store a reference to a Pdata chain link so we
372: # don't have to deref during this request again.
373: pdata_map[pos] = data
374:
375: # Do not keep the link references around.
376: del pdata_map
377:
378: RESPONSE.write('\r\n--%s--\r\n' % boundary)
379: return ''
380:
381: RESPONSE.setHeader('Last-Modified', rfc1123_date(self._p_mtime))
382: RESPONSE.setHeader('Content-Type', self.content_type)
383: RESPONSE.setHeader('Content-Length', self.size)
384: RESPONSE.setHeader('Accept-Ranges', 'bytes')
385:
386: # Don't cache the data itself, but provide an opportunity
387: # for a cache manager to set response headers.
388: self.ZCacheable_set(None)
389:
390: data=urllib.urlopen(self.baseUrl+self.queryString).read()
391:
392: if type(data) is type(''):
393: RESPONSE.setBase(None)
394: return data
395:
396: while data is not None:
397: RESPONSE.write(data.data)
398: data=data.next
399:
400: return ''
401:
402:
403: def manage_addZogiImageForm(self):
404: """Form for adding"""
1.18 casties 405: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/addZogiImage.zpt')).__of__(self)
1.4 dwinter 406: return pt()
407:
408:
409: def manage_addZogiImage(self,id,title,baseUrl, queryString,RESPONSE=None):
410: """add dgilib"""
411: newObj=zogiImage(id,title,baseUrl, queryString)
412: self.Destination()._setObject(id,newObj)
413: if RESPONSE is not None:
414: RESPONSE.redirect('manage_main')
415:
416:
417:
1.1 dwinter 418: class zogiLib(Folder):
419: """StandardElement"""
420:
421: meta_type="zogiLib"
422:
1.18 casties 423: manage_options = Folder.manage_options+(
424: {'label':'Main Config','action':'changeZogiLibForm'},
425: )
1.1 dwinter 426:
1.21 casties 427: def __init__(self, id, title, digilibBaseUrl, localFileBase, version="book", basePath=""):
1.1 dwinter 428: """init"""
429:
430: self.id=id
431: self.title=title
1.2 dwinter 432: self.digilibBaseUrl=digilibBaseUrl
1.1 dwinter 433: self.localFileBase=localFileBase
1.21 casties 434: self.basePath=basePath
1.18 casties 435: self.layout=version
1.1 dwinter 436:
437:
1.18 casties 438: def getDLInfo(self):
439: """get DLInfo from digilib server"""
440: paramH={}
441: baseUrl=re.sub("servlet/Scaler","dlInfo-xml.jsp",self.digilibBaseUrl)
442: try:
443: url=urllib.urlopen(baseUrl+self.REQUEST['QUERY_STRING'])
444: dom=xml.dom.minidom.parse(url)
445: params=dom.getElementsByTagName('parameter')
446: for param in params:
447: paramH[param.getAttribute('name')]=param.getAttribute('value')
448: return paramH
449: except:
450: return null
451:
1.1 dwinter 452:
1.18 casties 453: def createHeadJS(self):
1.19 casties 454: """generate all javascript tags for head"""
1.26 ! casties 455: self.checkQuery()
! 456: bt = self.REQUEST.SESSION['browserType']
! 457: if bt['staticHTML']:
! 458: return
! 459:
1.18 casties 460: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogilib_head_js')).__of__(self)
461: return pt()
1.19 casties 462:
463: def createParamJS(self):
464: """generate javascript for parameters only"""
1.26 ! casties 465: self.checkQuery()
! 466: bt = self.REQUEST.SESSION['browserType']
! 467: if bt['staticHTML']:
! 468: return
! 469:
1.19 casties 470: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogilib_param_js')).__of__(self)
471: return pt()
472:
1.3 dwinter 473:
1.26 ! casties 474: def createScalerImg(self, requestString=None, bottom=0, side=0, width=500, height=500):
1.18 casties 475: """generate Scaler IMG Tag"""
1.20 casties 476: self.checkQuery()
477: bt = self.REQUEST.SESSION['browserType']
1.24 casties 478: # override with parameters from session
479: if self.REQUEST.SESSION.has_key('scalerDiv'):
1.26 ! casties 480: (requestString, bottom, side, width, height) = self.REQUEST.SESSION['scalerDiv']
1.24 casties 481: # if not explicitly defined take normal request
1.18 casties 482: if not requestString:
1.21 casties 483: requestString = self.getAllDLParams()
1.18 casties 484: url = self.digilibBaseUrl+requestString
1.24 casties 485: # construct bottom and side insets
486: b_par = ""
487: s_par = ""
488: if (bottom != 0) or (side != 0):
489: b_par = "-" + str(int(bottom))
490: s_par = "-" + str(int(side))
1.18 casties 491: tag = ""
1.26 ! casties 492: if bt['staticHTML']:
! 493: tag += '<div id="scaler"><img id="pic" src="%s&dw=%i&dh=%i" /></div>'%(url, int(width-side), int(height-bottom))
1.18 casties 494: else:
1.26 ! casties 495: if bt['isN4']:
! 496: # N4 needs layers
! 497: tag += '<ilayer id="scaler">'
! 498: else:
! 499: tag += '<div id="scaler">'
! 500: tag += '<script type="text/javascript">'
! 501: tag += "var ps = bestPicSize(getElement('scaler'));"
! 502: # write img tag with javascript
! 503: tag += 'document.write(\'<img id="pic" src="%s&dw=\'+(ps.width%s)+\'&dh=\'+(ps.height%s)+\'" />\');'%(url, s_par, b_par)
! 504: tag += '</script>'
! 505: if bt['isN4']:
! 506: tag += '</ilayer>'
! 507: else:
! 508: tag += '</div>'
1.18 casties 509: return tag
1.1 dwinter 510:
1.26 ! casties 511: def createScalerDiv(self, requestString = None, bottom = 0, side = 0, width=500, height=500):
1.23 casties 512: """generate scaler img and table with navigation arrows"""
513: self.checkQuery()
1.24 casties 514: if requestString != None or bottom != 0 or side != 0:
1.26 ! casties 515: self.REQUEST.SESSION['scalerDiv'] = (requestString, bottom, side, width, height)
1.24 casties 516: else:
517: if self.REQUEST.SESSION.has_key('scalerDiv'):
1.26 ! casties 518: # make shure to remove unused parameter
1.24 casties 519: del self.REQUEST.SESSION['scalerDiv']
1.26 ! casties 520:
1.23 casties 521: pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt/zogilib_img_div')).__of__(self)
522: return pt()
523:
1.18 casties 524: def createAuxDiv(self):
525: """generate other divs"""
1.20 casties 526: self.checkQuery()
527: bt = self.REQUEST.SESSION['browserType']
1.26 ! casties 528: if bt['staticHTML']:
! 529: return
! 530: if bt['isN4']:
1.18 casties 531: f = 'zpt/zogilib_divsN4.zpt'
532: else:
533: f = 'zpt/zogilib_divs.zpt'
534: pt=PageTemplateFile(os.path.join(package_home(globals()),f)).__of__(self)
535: return pt()
1.3 dwinter 536:
1.9 dwinter 537:
1.18 casties 538: def option_js(self):
539: """option_js"""
540: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/option_js')).__of__(self)
541: return pt()
1.1 dwinter 542:
1.18 casties 543: def dl_lib_js(self):
544: """javascript"""
545: return sendFile(self, 'js/dl_lib.js', 'text/plain')
546:
547: def js_lib_js(self):
548: """javascript"""
549: return sendFile(self, 'js/js_lib.js', 'text/plain')
1.1 dwinter 550:
1.18 casties 551: def optionwindow(self):
552: """showoptions"""
1.26 ! casties 553: self.checkQuery()
! 554: bt = self.REQUEST.SESSION['browserType']
! 555: if bt['staticHTML']:
! 556: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/optionwindow_static.zpt')).__of__(self)
! 557: else:
! 558: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/optionwindow.zpt')).__of__(self)
1.18 casties 559: return pt()
1.13 casties 560:
561: def mark1(self):
562: """mark image"""
1.18 casties 563: return sendFile(self, 'images/mark1.gif', 'image/gif')
1.13 casties 564:
565: def mark2(self):
566: """mark image"""
1.18 casties 567: return sendFile(self, 'images/mark2.gif', 'image/gif')
1.13 casties 568:
569: def mark3(self):
570: """mark image"""
1.18 casties 571: return sendFile(self, 'images/mark3.gif', 'image/gif')
1.13 casties 572:
573: def mark4(self):
574: """mark image"""
1.18 casties 575: return sendFile(self, 'images/mark4.gif', 'image/gif')
1.13 casties 576:
577: def mark5(self):
578: """mark image"""
1.18 casties 579: return sendFile(self, 'images/mark5.gif', 'image/gif')
1.13 casties 580:
581: def mark6(self):
582: """mark image"""
1.18 casties 583: return sendFile(self, 'images/mark6.gif', 'image/gif')
1.13 casties 584:
585: def mark7(self):
586: """mark image"""
1.18 casties 587: return sendFile(self, 'images/mark7.gif', 'image/gif')
1.13 casties 588:
589: def mark8(self):
590: """mark image"""
1.18 casties 591: return sendFile(self, 'images/mark8.gif', 'image/gif')
1.13 casties 592:
593: def corner1(self):
594: """mark image"""
1.18 casties 595: return sendFile(self, 'images/olinks.gif', 'image/gif')
1.13 casties 596:
597: def corner2(self):
598: """mark image"""
1.18 casties 599: return sendFile(self, 'images/orechts.gif', 'image/gif')
1.13 casties 600:
601: def corner3(self):
602: """mark image"""
1.18 casties 603: return sendFile(self, 'images/ulinks.gif', 'image/gif')
1.13 casties 604:
605: def corner4(self):
606: """mark image"""
1.18 casties 607: return sendFile(self, 'images/urechts.gif', 'image/gif')
1.13 casties 608:
1.22 casties 609: def up_img(self):
610: """mark image"""
611: return sendFile(self, 'images/up.gif', 'image/gif')
612:
613: def down_img(self):
614: """mark image"""
615: return sendFile(self, 'images/down.gif', 'image/gif')
616:
617: def left_img(self):
618: """mark image"""
619: return sendFile(self, 'images/left.gif', 'image/gif')
620:
621: def right_img(self):
622: """mark image"""
623: return sendFile(self, 'images/right.gif', 'image/gif')
1.13 casties 624:
625:
1.1 dwinter 626:
627: def index_html(self):
628: """main action"""
1.26 ! casties 629: self.checkQuery()
! 630: bt = self.REQUEST.SESSION['browserType']
1.18 casties 631: tp = "zogiLibMainTemplate"
632: if hasattr(self, tp):
633: pt = getattr(self, tp)
634: else:
1.26 ! casties 635: tpt = self.layout
! 636: if bt['staticHTML']:
! 637: tpt = "static"
! 638:
! 639: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogiLibMain_%s'%tpt)).__of__(self)
! 640:
1.18 casties 641: return pt()
642:
1.1 dwinter 643:
644:
1.21 casties 645: def storeQuery(self, more = None):
1.1 dwinter 646: """storeQuery in session"""
1.18 casties 647: dlParams = {}
1.1 dwinter 648: for fm in self.REQUEST.form.keys():
1.18 casties 649: dlParams[fm] = self.REQUEST.form[fm]
1.21 casties 650: # look for more
651: if more:
652: for fm in more.split('&'):
653: try:
654: pv = fm.split('=')
655: dlParams[pv[0]] = pv[1]
656: except:
1.26 ! casties 657: pass
! 658:
1.21 casties 659: # parse digilib mode parameter
1.18 casties 660: if 'mo' in dlParams:
661: if len(dlParams['mo']) > 0:
662: modes=dlParams['mo'].split(',')
663: else:
664: modes=[]
665:
666: self.REQUEST.SESSION['query'] = dlParams
667: self.REQUEST.SESSION['dlModes'] = modes
668: self.REQUEST.SESSION['dlInfo'] = self.getDLInfo()
1.26 ! casties 669: if not self.REQUEST.SESSION.has_key('browserType'):
! 670: self.REQUEST.SESSION['browserType'] = browserCheck(self)
! 671:
! 672: return
1.1 dwinter 673:
1.20 casties 674: def checkQuery(self):
675: """check if the query has been stored"""
1.26 ! casties 676: if not (self.REQUEST.SESSION and self.REQUEST.SESSION.has_key('query')) :
1.20 casties 677: print "ZOGILIB: have to store query!!"
1.26 ! casties 678: self.storeQuery()
1.24 casties 679: return
1.23 casties 680:
1.24 casties 681: def zogilibPath(self, otherbase=None):
1.23 casties 682: """returns an URL to the zogiLib instance"""
683: url = self.REQUEST['URL1']
1.24 casties 684: # should end with "/"
685: if len(url) > 0 and url[-1] != '/':
686: url += '/'
687: if type(otherbase) is str:
688: url += otherbase
689: else:
690: url += self.basePath
1.23 casties 691: # should end with "/"
692: if len(url) > 0 and url[-1] != '/':
693: url += '/'
694: return url
1.3 dwinter 695:
1.22 casties 696: def getDLParam(self, param):
1.18 casties 697: """returns parameter"""
1.3 dwinter 698: try:
699: return self.REQUEST.SESSION['query'][param]
700: except:
1.24 casties 701: return
1.3 dwinter 702:
1.18 casties 703: def setDLParam(self, param, value):
704: """sets parameter"""
705: self.REQUEST.SESSION['query'][param] = value
706: return
707:
708: def getAllDLParams(self):
709: """parameter string for digilib"""
710: dlParams = self.REQUEST.SESSION['query']
711: # save modes
712: modes = self.REQUEST.SESSION['dlModes']
713: dlParams['mo'] = string.join(modes, ',')
714: # assemble query string
715: ret = ""
716: for param in dlParams.keys():
717: val = str(dlParams[param])
718: if val != "":
719: ret += param + "=" + val + "&"
720: # omit trailing "&"
721: return ret.rstrip('&')
722:
723:
724: def setDLParams(self,pn=None,ws=None,rot=None,brgt=None,cont=None):
725: """setze Parameter"""
726:
1.23 casties 727: self.setDLParam('brgt', brgt)
728: self.setDLParam('cont', cont)
729: self.setDLParam('ws', ws)
730: self.setDLParam('rot', rot)
1.18 casties 731:
732: if pn:
1.21 casties 733: # unmark
734: self.setDLParam('mk', None)
1.18 casties 735: self.setDLParam('pn', pn)
736:
737: return self.display()
738:
739:
740: def display(self):
741: """(re)display page"""
742: params = self.getAllDLParams()
1.21 casties 743: if self.basePath:
744: self.REQUEST.RESPONSE.redirect(self.REQUEST['URL2']+'?'+params)
745: else:
746: self.REQUEST.RESPONSE.redirect(self.REQUEST['URL1']+'?'+params)
1.18 casties 747:
1.26 ! casties 748:
! 749: def setStaticHTML(self, static=True):
! 750: """sets the preference to static HTML"""
! 751: self.checkQuery()
! 752: self.REQUEST.SESSION['browserType']['staticHTML'] = static
! 753: return
! 754:
! 755: def isStaticHTML(self):
! 756: """returns if the page is using static HTML only"""
! 757: self.checkQuery()
! 758: return self.REQUEST.SESSION['browserType']['staticHTML']
! 759:
1.18 casties 760: def getPT(self):
761: """pagenums"""
762: di = self.REQUEST.SESSION['dlInfo']
763: if di:
764: return int(di['pt'])
765: else:
766: return 1
767:
768: def getPN(self):
769: """Pagenum"""
770: pn = self.getDLParam('pn')
1.25 casties 771: try:
1.18 casties 772: return int(pn)
1.25 casties 773: except:
1.3 dwinter 774: return 1
775:
1.18 casties 776: def getBiggerWS(self):
1.3 dwinter 777: """ws+1"""
1.23 casties 778: ws = self.getDLParam('ws')
1.25 casties 779: try:
1.26 ! casties 780: return float(ws)+0.5
1.25 casties 781: except:
1.26 ! casties 782: return 1.5
1.3 dwinter 783:
1.18 casties 784: def getSmallerWS(self):
785: """ws-1"""
786: ws=self.getDLParam('ws')
1.25 casties 787: try:
1.26 ! casties 788: return max(float(ws)-0.5, 1)
1.25 casties 789: except:
1.3 dwinter 790: return 1
1.1 dwinter 791:
1.18 casties 792: def hasMode(self, mode):
793: """returns if mode is in the diglib mo parameter"""
794: return (mode in self.REQUEST.SESSION['dlModes'])
795:
796: def hasNextPage(self):
797: """returns if there is a next page"""
798: pn = self.getPN()
799: pt = self.getPT()
800: return (pn < pt)
801:
802: def hasPrevPage(self):
803: """returns if there is a previous page"""
804: pn = self.getPN()
805: return (pn > 1)
1.1 dwinter 806:
1.22 casties 807: def canMoveLeft(self):
808: """returns if its possible to move left"""
809: wx = float(self.getDLParam('wx') or 0)
810: return (wx > 0)
811:
812: def canMoveRight(self):
813: """returns if its possible to move right"""
814: wx = float(self.getDLParam('wx') or 0)
815: ww = float(self.getDLParam('ww') or 1)
816: return (wx + ww < 1)
817:
818: def canMoveUp(self):
819: """returns if its possible to move up"""
820: wy = float(self.getDLParam('wy') or 0)
821: return (wy > 0)
822:
823: def canMoveDown(self):
824: """returns if its possible to move down"""
825: wy = float(self.getDLParam('wy') or 0)
826: wh = float(self.getDLParam('wh') or 1)
827: return (wy + wh < 1)
828:
1.26 ! casties 829:
! 830: def dl_StaticHTML(self):
! 831: """set rendering to static HTML"""
! 832: self.checkQuery()
! 833: self.REQUEST.SESSION['browserType']['staticHTML'] = True
! 834: return self.display()
! 835:
! 836: def dl_DynamicHTML(self):
! 837: """set rendering to dynamic HTML"""
! 838: self.checkQuery()
! 839: self.REQUEST.SESSION['browserType']['staticHTML'] = False
! 840: return self.display()
1.1 dwinter 841:
1.18 casties 842: def dl_HMirror(self):
843: """mirror action"""
844: modes = self.REQUEST.SESSION['dlModes']
845: if 'hmir' in modes:
846: modes.remove('hmir')
847: else:
848: modes.append('hmir')
1.1 dwinter 849:
1.18 casties 850: return self.display()
851:
852: def dl_VMirror(self):
853: """mirror action"""
854: modes = self.REQUEST.SESSION['dlModes']
855: if 'vmir' in modes:
856: modes.remove('vmir')
857: else:
858: modes.append('vmir')
1.1 dwinter 859:
1.18 casties 860: return self.display()
1.1 dwinter 861:
1.22 casties 862: def dl_Zoom(self, z):
863: """general zoom action"""
864: ww1 = float(self.getDLParam('ww') or 1)
865: wh1 = float(self.getDLParam('wh') or 1)
866: wx = float(self.getDLParam('wx') or 0)
867: wy = float(self.getDLParam('wy') or 0)
868: ww2 = ww1 * z
869: wh2 = wh1 * z
870: wx += (ww1 - ww2) / 2
871: wy += (wh1 - wh2) / 2
872: ww2 = max(min(ww2, 1), 0)
873: wh2 = max(min(wh2, 1), 0)
874: wx = max(min(wx, 1), 0)
875: wy = max(min(wy, 1), 0)
876: self.setDLParam('ww', ww2)
877: self.setDLParam('wh', wh2)
878: self.setDLParam('wx', wx)
879: self.setDLParam('wy', wy)
880: return self.display()
881:
882: def dl_ZoomIn(self):
883: """zoom in action"""
884: z = 0.7071
885: return self.dl_Zoom(z)
886:
887: def dl_ZoomOut(self):
888: """zoom out action"""
889: z = 1.4142
890: return self.dl_Zoom(z)
891:
892: def dl_Move(self, dx, dy):
893: """general move action"""
894: ww = float(self.getDLParam('ww') or 1)
895: wh = float(self.getDLParam('wh') or 1)
896: wx = float(self.getDLParam('wx') or 0)
897: wy = float(self.getDLParam('wy') or 0)
898: wx += dx * 0.5 * ww
899: wy += dy * 0.5 * wh
900: wx = max(min(wx, 1), 0)
901: wy = max(min(wy, 1), 0)
902: self.setDLParam('wx', wx)
903: self.setDLParam('wy', wy)
904: return self.display()
905:
906: def dl_MoveLeft(self):
907: """move left action"""
908: return self.dl_Move(-1, 0)
909:
910: def dl_MoveRight(self):
911: """move left action"""
912: return self.dl_Move(1, 0)
913:
914: def dl_MoveUp(self):
915: """move left action"""
916: return self.dl_Move(0, -1)
917:
918: def dl_MoveDown(self):
919: """move left action"""
920: return self.dl_Move(0, 1)
921:
1.18 casties 922: def dl_WholePage(self):
923: """zoom out action"""
924: self.setDLParam('ww', 1)
925: self.setDLParam('wh', 1)
926: self.setDLParam('wx', 0)
927: self.setDLParam('wy', 0)
928: return self.display()
929:
930: def dl_PrevPage(self):
931: """next page action"""
932: pn = self.getPN() - 1
933: if pn < 1:
934: pn = 1
935: self.setDLParam('pn', pn)
936: # unmark
937: self.setDLParam('mk', None)
938: return self.display()
939:
940: def dl_NextPage(self):
941: """next page action"""
942: pn = self.getPN() + 1
943: pt = self.getPT()
944: if pn > pt:
945: pn = pt
946: self.setDLParam('pn', pn)
947: # unmark
948: self.setDLParam('mk', None)
949: return self.display()
950:
951: def dl_FirstPage(self):
952: """first page action"""
953: self.setDLParam('pn', 1)
954: # unmark
955: self.setDLParam('mk', None)
956: return self.display()
957:
958: def dl_LastPage(self):
959: """last page action"""
960: self.setDLParam('pn', self.getPT())
961: # unmark
962: self.setDLParam('mk', None)
963: return self.display()
964:
965: def dl_Unmark(self):
966: """action to remove last mark"""
967: mk = self.getDLParam('mk')
968: if mk:
969: marks = mk.split(',')
970: marks.pop()
971: mk = string.join(marks, ',')
972: self.setDLParam('mk', mk)
973: return self.display()
1.1 dwinter 974:
975:
976:
1.18 casties 977: def changeZogiLibForm(self):
978: """Main configuration"""
979: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/changeZogiLibForm.zpt')).__of__(self)
980: return pt()
1.1 dwinter 981:
1.21 casties 982: def changeZogiLib(self,title,digilibBaseUrl, localFileBase, version, basePath, RESPONSE=None):
1.18 casties 983: """change it"""
984: self.title=title
985: self.digilibBaseUrl=digilibBaseUrl
986: self.localFileBase=localFileBase
1.21 casties 987: self.basePath = basePath
1.18 casties 988: self.layout=version
1.3 dwinter 989:
1.18 casties 990: if RESPONSE is not None:
991: RESPONSE.redirect('manage_main')
1.8 dwinter 992:
993:
1.1 dwinter 994: def manage_addZogiLibForm(self):
995: """interface for adding zogilib"""
1.18 casties 996: pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/addZogiLibForm')).__of__(self)
1.1 dwinter 997: return pt()
998:
1.21 casties 999: def manage_addZogiLib(self,id,title,digilibBaseUrl, localFileBase,version="book",basePath="",RESPONSE=None):
1.1 dwinter 1000: """add dgilib"""
1.21 casties 1001: newObj=zogiLib(id,title,digilibBaseUrl, localFileBase, version, basePath)
1.1 dwinter 1002: self.Destination()._setObject(id,newObj)
1003: if RESPONSE is not None:
1004: RESPONSE.redirect('manage_main')
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