File:  [Repository] / zogiLib / zogiLib.py
Revision 1.28: download - view: text, annotated - select for diffs - revision graph
Tue Jun 22 13:35:50 2004 UTC (20 years, 1 month ago) by casties
Branches: MAIN
CVS tags: HEAD
fix for onchange event behaviour in N4
option_js moved

    1: 
    2: from Products.PageTemplates.PageTemplateFile import PageTemplateFile
    3: from Products.PageTemplates.PageTemplate import PageTemplate
    4: from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
    5: from OFS.Image import Image
    6: from webdav.common import rfc1123_date
    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
   15: import types
   16: from Globals import package_home
   17: 
   18: ZOGIVERSION = "0.9.4 ROC:22.6.2004"
   19: 
   20: def sendFile(self, filename, type):
   21:     """sends an object or a local file (in the product) as response"""
   22:     paths = filename.split('/')
   23:     object = self
   24:     # look for an object called filename
   25:     for path in paths:
   26:         if hasattr(object, path):
   27: 	    object = getattr(object, path)
   28: 	else:
   29: 	    object = None
   30: 	    break
   31:     if object:
   32: 	# if the object exists then send it
   33: 	return object.index_html(self.REQUEST.REQUEST, self.REQUEST.RESPONSE)
   34:     else:
   35: 	# send a local file with the given content-type
   36: 	fn = os.path.join(package_home(globals()), filename)
   37: 	self.REQUEST.RESPONSE.setHeader("Content-Type", type)
   38: 	self.REQUEST.RESPONSE.write(file(fn).read())
   39:     return
   40: 
   41: def browserCheck(self):
   42:     """check the browsers request to find out the browser type"""
   43:     bt = {}
   44:     ua = self.REQUEST.get_header("HTTP_USER_AGENT")
   45:     bt['ua'] = ua
   46:     bt['isIE'] = string.find(ua, 'MSIE') > -1
   47:     bt['isN4'] = (string.find(ua, 'Mozilla/4.') > -1) and not bt['isIE']
   48:     nav = ua[string.find(ua, '('):]
   49:     ie = string.split(nav, "; ")[1]
   50:     if string.find(ie, "MSIE") > -1:
   51:         bt['versIE'] = string.split(ie, " ")[1]
   52:     bt['isMac'] = string.find(ua, 'Macintosh') > -1
   53:     bt['isWin'] = string.find(ua, 'Windows') > -1
   54:     bt['isIEWin'] = bt['isIE'] and bt['isWin']
   55:     bt['isIEMac'] = bt['isIE'] and bt['isMac']
   56:     bt['staticHTML'] = False
   57: 
   58:     return bt
   59: 
   60: def manage_addZogiLibMainTemplateForm(self):
   61:     """Form for adding"""
   62:     #FIXME:???
   63:     pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/AddOSAS_thumbTemplate.zpt')).__of__(self)
   64:     return pt()
   65: 
   66: 
   67: 
   68: 
   69: def manage_addZogiLibMainTemplate(self, id,title=None, text=None,
   70:                            REQUEST=None, submit=None):
   71:     "Add a Page Template with optional file content."
   72:     #FIXME:???
   73:     id = str(id)
   74:     if REQUEST is None:
   75:         self._setObject(id, zogiLib_mainTemplate(id, text))
   76:         ob = getattr(self, id)
   77:        
   78:         if title:
   79:             ob.pt_setTitle(title)
   80:         return ob
   81:     else:
   82:         file = REQUEST.form.get('file')
   83:         headers = getattr(file, 'headers', None)
   84:         if headers is None or not file.filename:
   85:             zpt = zogiLib_mainTemplate(id)
   86:         else:
   87:             zpt = zogiLib_mainTemplate(id, file, headers.get('content_type'))
   88: 
   89:         self._setObject(id, zpt)
   90:         ob = getattr(self, id)
   91: 
   92: 
   93:         try:
   94:             u = self.DestinationURL()
   95:         except AttributeError:
   96:             u = REQUEST['URL1']
   97: 
   98:         if submit == " Add and Edit ":
   99:             u = "%s/%s" % (u, quote(id))
  100:         REQUEST.RESPONSE.redirect(u+'/manage_main')
  101:     return ''
  102: 
  103:     
  104: class zogiImage(Image):
  105:     """einzelnes Image"""
  106:     meta_type="zogiImage"
  107: 
  108:     manage_options=ZopePageTemplate.manage_options+(
  109:         {'label':'Main config','action':'changeZogiImageForm'},
  110:        )
  111:     
  112:     
  113:     def __init__(self,id,title,baseUrl,queryString,content_type='',precondition=''):
  114:         """init"""
  115:         self.id=id
  116:         self.title=title
  117:         self.baseUrl=baseUrl
  118:         self.queryString=queryString
  119:         self.content_type=content_type
  120:         self.precondition=precondition
  121: 
  122:     def getData(self):
  123:         """getUrlData"""
  124:         return urllib.urlopen(self.baseUrl+self.queryString)
  125: 
  126:     def changeZogiImageForm(self):
  127:         """Main configuration"""
  128:         pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/changeZogiImageForm.zpt')).__of__(self)
  129:         return pt()
  130:     
  131:     def changeZogiImage(self,title,baseUrl, queryString,RESPONSE=None):
  132:         """change it"""
  133:         self.title=title
  134:         self.baseUrl=baseUrl
  135:         self.queryString=queryString
  136: 
  137:         if RESPONSE is not None:
  138:             RESPONSE.redirect('manage_main')
  139: 
  140:         
  141:     def index_html(self, REQUEST, RESPONSE):
  142:         """
  143:         Modified version of OFS/Image.py
  144:         
  145:         The default view of the contents of a File or Image.
  146: 
  147:         Returns the contents of the file or image.  Also, sets the
  148:         Content-Type HTTP header to the objects content type.
  149:         """
  150: 
  151:         # HTTP If-Modified-Since header handling.
  152:         header=REQUEST.get_header('If-Modified-Since', None)
  153:         if header is not None:
  154:             header=header.split( ';')[0]
  155:             # Some proxies seem to send invalid date strings for this
  156:             # header. If the date string is not valid, we ignore it
  157:             # rather than raise an error to be generally consistent
  158:             # with common servers such as Apache (which can usually
  159:             # understand the screwy date string as a lucky side effect
  160:             # of the way they parse it).
  161:             # This happens to be what RFC2616 tells us to do in the face of an
  162:             # invalid date.
  163:             try:    mod_since=long(DateTime(header).timeTime())
  164:             except: mod_since=None
  165:             if mod_since is not None:
  166:                 if self._p_mtime:
  167:                     last_mod = long(self._p_mtime)
  168:                 else:
  169:                     last_mod = long(0)
  170:                 if last_mod > 0 and last_mod <= mod_since:
  171:                     # Set header values since apache caching will return Content-Length
  172:                     # of 0 in response if size is not set here
  173:                     RESPONSE.setHeader('Last-Modified', rfc1123_date(self._p_mtime))
  174:                     RESPONSE.setHeader('Content-Type', self.content_type)
  175:                     RESPONSE.setHeader('Content-Length', self.size)
  176:                     RESPONSE.setHeader('Accept-Ranges', 'bytes')
  177:                     self.ZCacheable_set(None)
  178:                     RESPONSE.setStatus(304)
  179:                     return ''
  180: 
  181:         if self.precondition and hasattr(self,self.precondition):
  182:             # Grab whatever precondition was defined and then
  183:             # execute it.  The precondition will raise an exception
  184:             # if something violates its terms.
  185:             c=getattr(self,self.precondition)
  186:             if hasattr(c,'isDocTemp') and c.isDocTemp:
  187:                 c(REQUEST['PARENTS'][1],REQUEST)
  188:             else:
  189:                 c()
  190: 
  191:         # HTTP Range header handling
  192:         range = REQUEST.get_header('Range', None)
  193:         request_range = REQUEST.get_header('Request-Range', None)
  194:         if request_range is not None:
  195:             # Netscape 2 through 4 and MSIE 3 implement a draft version
  196:             # Later on, we need to serve a different mime-type as well.
  197:             range = request_range
  198:         if_range = REQUEST.get_header('If-Range', None)
  199:         if range is not None:
  200:             ranges = HTTPRangeSupport.parseRange(range)
  201: 
  202:             if if_range is not None:
  203:                 # Only send ranges if the data isn't modified, otherwise send
  204:                 # the whole object. Support both ETags and Last-Modified dates!
  205:                 if len(if_range) > 1 and if_range[:2] == 'ts':
  206:                     # ETag:
  207:                     if if_range != self.http__etag():
  208:                         # Modified, so send a normal response. We delete
  209:                         # the ranges, which causes us to skip to the 200
  210:                         # response.
  211:                         ranges = None
  212:                 else:
  213:                     # Date
  214:                     date = if_range.split( ';')[0]
  215:                     try: mod_since=long(DateTime(date).timeTime())
  216:                     except: mod_since=None
  217:                     if mod_since is not None:
  218:                         if self._p_mtime:
  219:                             last_mod = long(self._p_mtime)
  220:                         else:
  221:                             last_mod = long(0)
  222:                         if last_mod > mod_since:
  223:                             # Modified, so send a normal response. We delete
  224:                             # the ranges, which causes us to skip to the 200
  225:                             # response.
  226:                             ranges = None
  227: 
  228:             if ranges:
  229:                 # Search for satisfiable ranges.
  230:                 satisfiable = 0
  231:                 for start, end in ranges:
  232:                     if start < self.size:
  233:                         satisfiable = 1
  234:                         break
  235: 
  236:                 if not satisfiable:
  237:                     RESPONSE.setHeader('Content-Range',
  238:                         'bytes */%d' % self.size)
  239:                     RESPONSE.setHeader('Accept-Ranges', 'bytes')
  240:                     RESPONSE.setHeader('Last-Modified',
  241:                         rfc1123_date(self._p_mtime))
  242:                     RESPONSE.setHeader('Content-Type', self.content_type)
  243:                     RESPONSE.setHeader('Content-Length', self.size)
  244:                     RESPONSE.setStatus(416)
  245:                     return ''
  246: 
  247:                 ranges = HTTPRangeSupport.expandRanges(ranges, self.size)
  248:                                 
  249:                 if len(ranges) == 1:
  250:                     # Easy case, set extra header and return partial set.
  251:                     start, end = ranges[0]
  252:                     size = end - start
  253: 
  254:                     RESPONSE.setHeader('Last-Modified',
  255:                         rfc1123_date(self._p_mtime))
  256:                     RESPONSE.setHeader('Content-Type', self.content_type)
  257:                     RESPONSE.setHeader('Content-Length', size)
  258:                     RESPONSE.setHeader('Accept-Ranges', 'bytes')
  259:                     RESPONSE.setHeader('Content-Range',
  260:                         'bytes %d-%d/%d' % (start, end - 1, self.size))
  261:                     RESPONSE.setStatus(206) # Partial content
  262: 
  263:                     data = urllib.urlopen(self.baseUrl+self.queryString).read()
  264:                     if type(data) is StringType:
  265:                         return data[start:end]
  266: 
  267:                     # Linked Pdata objects. Urgh.
  268:                     pos = 0
  269:                     while data is not None:
  270:                         l = len(data.data)
  271:                         pos = pos + l
  272:                         if pos > start:
  273:                             # We are within the range
  274:                             lstart = l - (pos - start)
  275: 
  276:                             if lstart < 0: lstart = 0
  277: 
  278:                             # find the endpoint
  279:                             if end <= pos:
  280:                                 lend = l - (pos - end)
  281: 
  282:                                 # Send and end transmission
  283:                                 RESPONSE.write(data[lstart:lend])
  284:                                 break
  285: 
  286:                             # Not yet at the end, transmit what we have.
  287:                             RESPONSE.write(data[lstart:])
  288: 
  289:                         data = data.next
  290: 
  291:                     return ''
  292: 
  293:                 else:
  294:                     boundary = choose_boundary()
  295: 
  296:                     # Calculate the content length
  297:                     size = (8 + len(boundary) + # End marker length
  298:                         len(ranges) * (         # Constant lenght per set
  299:                             49 + len(boundary) + len(self.content_type) +
  300:                             len('%d' % self.size)))
  301:                     for start, end in ranges:
  302:                         # Variable length per set
  303:                         size = (size + len('%d%d' % (start, end - 1)) +
  304:                             end - start)
  305: 
  306: 
  307:                     # Some clients implement an earlier draft of the spec, they
  308:                     # will only accept x-byteranges.
  309:                     draftprefix = (request_range is not None) and 'x-' or ''
  310: 
  311:                     RESPONSE.setHeader('Content-Length', size)
  312:                     RESPONSE.setHeader('Accept-Ranges', 'bytes')
  313:                     RESPONSE.setHeader('Last-Modified',
  314:                         rfc1123_date(self._p_mtime))
  315:                     RESPONSE.setHeader('Content-Type',
  316:                         'multipart/%sbyteranges; boundary=%s' % (
  317:                             draftprefix, boundary))
  318:                     RESPONSE.setStatus(206) # Partial content
  319: 
  320:                     data = urllib.urlopen(self.baseUrl+self.queryString).read()
  321:                     # The Pdata map allows us to jump into the Pdata chain
  322:                     # arbitrarily during out-of-order range searching.
  323:                     pdata_map = {}
  324:                     pdata_map[0] = data
  325: 
  326:                     for start, end in ranges:
  327:                         RESPONSE.write('\r\n--%s\r\n' % boundary)
  328:                         RESPONSE.write('Content-Type: %s\r\n' %
  329:                             self.content_type)
  330:                         RESPONSE.write(
  331:                             'Content-Range: bytes %d-%d/%d\r\n\r\n' % (
  332:                                 start, end - 1, self.size))
  333: 
  334:                         if type(data) is StringType:
  335:                             RESPONSE.write(data[start:end])
  336: 
  337:                         else:
  338:                             # Yippee. Linked Pdata objects. The following
  339:                             # calculations allow us to fast-forward through the
  340:                             # Pdata chain without a lot of dereferencing if we
  341:                             # did the work already.
  342:                             first_size = len(pdata_map[0].data)
  343:                             if start < first_size:
  344:                                 closest_pos = 0
  345:                             else:
  346:                                 closest_pos = (
  347:                                     ((start - first_size) >> 16 << 16) +
  348:                                     first_size)
  349:                             pos = min(closest_pos, max(pdata_map.keys()))
  350:                             data = pdata_map[pos]
  351: 
  352:                             while data is not None:
  353:                                 l = len(data.data)
  354:                                 pos = pos + l
  355:                                 if pos > start:
  356:                                     # We are within the range
  357:                                     lstart = l - (pos - start)
  358: 
  359:                                     if lstart < 0: lstart = 0
  360: 
  361:                                     # find the endpoint
  362:                                     if end <= pos:
  363:                                         lend = l - (pos - end)
  364: 
  365:                                         # Send and loop to next range
  366:                                         RESPONSE.write(data[lstart:lend])
  367:                                         break
  368: 
  369:                                     # Not yet at the end, transmit what we have.
  370:                                     RESPONSE.write(data[lstart:])
  371: 
  372:                                 data = data.next
  373:                                 # Store a reference to a Pdata chain link so we
  374:                                 # don't have to deref during this request again.
  375:                                 pdata_map[pos] = data
  376: 
  377:                     # Do not keep the link references around.
  378:                     del pdata_map
  379: 
  380:                     RESPONSE.write('\r\n--%s--\r\n' % boundary)
  381:                     return ''
  382: 
  383:         RESPONSE.setHeader('Last-Modified', rfc1123_date(self._p_mtime))
  384:         RESPONSE.setHeader('Content-Type', self.content_type)
  385:         RESPONSE.setHeader('Content-Length', self.size)
  386:         RESPONSE.setHeader('Accept-Ranges', 'bytes')
  387: 
  388:         # Don't cache the data itself, but provide an opportunity
  389:         # for a cache manager to set response headers.
  390:         self.ZCacheable_set(None)
  391: 
  392:         data=urllib.urlopen(self.baseUrl+self.queryString).read()
  393:         
  394:         if type(data) is type(''): 
  395:             RESPONSE.setBase(None)
  396:             return data
  397: 
  398:         while data is not None:
  399:             RESPONSE.write(data.data)
  400:             data=data.next
  401: 
  402:         return ''
  403: 
  404: 
  405: def manage_addZogiImageForm(self):
  406:     """Form for adding"""
  407:     pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/addZogiImage.zpt')).__of__(self)
  408:     return pt()
  409: 
  410: 
  411: def manage_addZogiImage(self,id,title,baseUrl, queryString,RESPONSE=None):
  412:     """add dgilib"""
  413:     newObj=zogiImage(id,title,baseUrl, queryString)
  414:     self.Destination()._setObject(id,newObj)
  415:     if RESPONSE is not None:
  416:         RESPONSE.redirect('manage_main')
  417: 
  418: 
  419: 
  420: class zogiLib(Folder):
  421:     """StandardElement"""
  422: 
  423:     meta_type="zogiLib"
  424: 
  425:     manage_options = Folder.manage_options+(
  426:             {'label':'Main Config','action':'changeZogiLibForm'},
  427:             )
  428: 
  429:     def __init__(self, id, title, digilibBaseUrl, localFileBase, version="book", basePath="", dlTarget=None):
  430:         """init"""
  431: 
  432:         self.id=id
  433:         self.title=title
  434:         self.digilibBaseUrl=digilibBaseUrl
  435:         self.localFileBase=localFileBase
  436:         self.basePath=basePath
  437:         self.layout=version
  438:         if dlTarget:
  439:             self.dlTarget = dlTarget
  440:         else:
  441:             self.dlTarget = "digilib"
  442: 
  443:     def version(self):
  444:         """version information"""
  445:         return ZOGIVERSION
  446: 
  447:     def getDLInfo(self):
  448:         """get DLInfo from digilib server"""
  449:         paramH={}
  450:         baseUrl=re.sub("servlet/Scaler","dlInfo-xml.jsp",self.digilibBaseUrl)
  451:         try:
  452:             url=urllib.urlopen(baseUrl+self.REQUEST['QUERY_STRING'])
  453:             dom=xml.dom.minidom.parse(url)
  454:             params=dom.getElementsByTagName('parameter')
  455:             for param in params:
  456:                 paramH[param.getAttribute('name')]=param.getAttribute('value')
  457:             return paramH
  458:         except:
  459:             return null
  460: 
  461: 
  462:     def createHeadJS(self):
  463:         """generate all javascript tags for head"""
  464: 	self.checkQuery()
  465: 	bt = self.REQUEST.SESSION['browserType']
  466:         if bt['staticHTML']:
  467:             return
  468:         
  469:         pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogilib_head_js')).__of__(self)
  470:         return pt()
  471: 
  472:     def createParamJS(self):
  473:         """generate javascript for parameters only"""
  474: 	self.checkQuery()
  475: 	bt = self.REQUEST.SESSION['browserType']
  476:         if bt['staticHTML']:
  477:             return
  478: 
  479:         pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogilib_param_js')).__of__(self)
  480:         return pt()
  481:         
  482:                         
  483:     def createScalerImg(self, requestString=None, bottom=0, side=0, width=500, height=500):
  484:         """generate Scaler IMG Tag"""
  485: 	self.checkQuery()
  486: 	bt = self.REQUEST.SESSION['browserType']
  487:         # override with parameters from session
  488:         if  self.REQUEST.SESSION.has_key('scalerDiv'):
  489:             (requestString, bottom, side, width, height) = self.REQUEST.SESSION['scalerDiv']
  490:         # if not explicitly defined take normal request
  491:         if not requestString:
  492:             requestString = self.getAllDLParams()
  493:         url = self.digilibBaseUrl+requestString
  494:         # construct bottom and side insets
  495:         b_par = ""
  496:         s_par = ""
  497:         if (bottom != 0) or (side != 0):
  498:             b_par = "-" + str(int(bottom))
  499:             s_par = "-" + str(int(side))
  500:         tag = ""
  501:         if bt['staticHTML']:
  502:             tag += '<div id="scaler"><img id="pic" src="%s&dw=%i&dh=%i" /></div>'%(url, int(width-side), int(height-bottom))
  503:         else:
  504:             if bt['isN4']:
  505:                 # N4 needs layers
  506:                 tag += '<ilayer id="scaler">'
  507:             else:
  508:                 tag += '<div id="scaler">'
  509:             tag += '<script type="text/javascript">'
  510:             tag += "var ps = bestPicSize(getElement('scaler'));"
  511:             # write img tag with javascript
  512:             tag += 'document.write(\'<img id="pic" src="%s&dw=\'+(ps.width%s)+\'&dh=\'+(ps.height%s)+\'" />\');'%(url, s_par, b_par)
  513:             tag += '</script>'
  514:             if bt['isN4']:
  515:                 tag += '</ilayer>'
  516:             else:
  517:                 tag += '</div>'
  518:         return tag
  519: 
  520:     def createScalerDiv(self, requestString = None, bottom = 0, side = 0, width=500, height=500):
  521:         """generate scaler img and table with navigation arrows"""
  522: 	self.checkQuery()
  523:         if requestString != None or bottom != 0 or side != 0:
  524:             self.REQUEST.SESSION['scalerDiv'] = (requestString, bottom, side, width, height)
  525:         else:
  526:             if self.REQUEST.SESSION.has_key('scalerDiv'):
  527:                 # make shure to remove unused parameter
  528:                 del self.REQUEST.SESSION['scalerDiv']
  529:                 
  530:         pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt/zogilib_img_div')).__of__(self)
  531:         return pt()
  532: 
  533:     def createAuxDiv(self):
  534:         """generate other divs"""
  535: 	self.checkQuery()
  536: 	bt = self.REQUEST.SESSION['browserType']
  537:         if bt['staticHTML']:
  538:             return
  539:         if bt['isN4']:
  540:             f = 'zpt/zogilib_divsN4.zpt'
  541:         else:
  542:             f = 'zpt/zogilib_divs.zpt'
  543:         pt=PageTemplateFile(os.path.join(package_home(globals()),f)).__of__(self)
  544:         return pt()
  545: 
  546: 
  547:     def option_js(self):
  548:         """javascript"""
  549:         return sendFile(self, 'js/option.js', 'text/plain')
  550: 
  551:     def dl_lib_js(self):
  552:         """javascript"""
  553:         return sendFile(self, 'js/dl_lib.js', 'text/plain')
  554: 
  555:     def js_lib_js(self):
  556:         """javascript"""
  557:         return sendFile(self, 'js/js_lib.js', 'text/plain')
  558: 
  559:     def optionwindow(self):
  560:         """showoptions"""
  561: 	self.checkQuery()
  562: 	bt = self.REQUEST.SESSION['browserType']
  563:         if bt['staticHTML']:
  564:             pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/optionwindow_static.zpt')).__of__(self)
  565:         else:
  566:             pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/optionwindow.zpt')).__of__(self)
  567:         return pt()
  568: 
  569:     def mark1(self):
  570:         """mark image"""
  571:         return sendFile(self, 'images/mark1.gif', 'image/gif')
  572: 
  573:     def mark2(self):
  574:         """mark image"""
  575:         return sendFile(self, 'images/mark2.gif', 'image/gif')
  576: 
  577:     def mark3(self):
  578:         """mark image"""
  579:         return sendFile(self, 'images/mark3.gif', 'image/gif')
  580: 
  581:     def mark4(self):
  582:         """mark image"""
  583:         return sendFile(self, 'images/mark4.gif', 'image/gif')
  584: 
  585:     def mark5(self):
  586:         """mark image"""
  587:         return sendFile(self, 'images/mark5.gif', 'image/gif')
  588: 
  589:     def mark6(self):
  590:         """mark image"""
  591:         return sendFile(self, 'images/mark6.gif', 'image/gif')
  592: 
  593:     def mark7(self):
  594:         """mark image"""
  595:         return sendFile(self, 'images/mark7.gif', 'image/gif')
  596: 
  597:     def mark8(self):
  598:         """mark image"""
  599:         return sendFile(self, 'images/mark8.gif', 'image/gif')
  600: 
  601:     def corner1(self):
  602:         """mark image"""
  603:         return sendFile(self, 'images/olinks.gif', 'image/gif')
  604: 
  605:     def corner2(self):
  606:         """mark image"""
  607:         return sendFile(self, 'images/orechts.gif', 'image/gif')
  608: 
  609:     def corner3(self):
  610:         """mark image"""
  611:         return sendFile(self, 'images/ulinks.gif', 'image/gif')
  612: 
  613:     def corner4(self):
  614:         """mark image"""
  615:         return sendFile(self, 'images/urechts.gif', 'image/gif')
  616: 
  617:     def up_img(self):
  618:         """mark image"""
  619:         return sendFile(self, 'images/up.gif', 'image/gif')
  620: 
  621:     def down_img(self):
  622:         """mark image"""
  623:         return sendFile(self, 'images/down.gif', 'image/gif')
  624: 
  625:     def left_img(self):
  626:         """mark image"""
  627:         return sendFile(self, 'images/left.gif', 'image/gif')
  628: 
  629:     def right_img(self):
  630:         """mark image"""
  631:         return sendFile(self, 'images/right.gif', 'image/gif')
  632: 
  633: 
  634:             
  635:     def index_html(self):
  636:         """main action"""
  637: 	self.checkQuery()
  638: 	bt = self.REQUEST.SESSION['browserType']
  639:         tp = "zogiLibMainTemplate"
  640:         if hasattr(self, tp):
  641: 	    pt = getattr(self, tp)
  642:         else:
  643:             tpt = self.layout
  644:             if bt['staticHTML']:
  645:                 tpt = "static"
  646:                 
  647:             pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogiLibMain_%s'%tpt)).__of__(self)
  648:             
  649:         return pt()
  650: 
  651: 
  652: 
  653:     def storeQuery(self, more = None):
  654:         """storeQuery in session"""
  655:         dlParams = {}
  656:         for fm in self.REQUEST.form.keys():
  657:             dlParams[fm] = self.REQUEST.form[fm]
  658:         # look for more
  659:         if more:
  660:             for fm in more.split('&'):
  661:                 try:
  662:                     pv = fm.split('=')
  663:                     dlParams[pv[0]] = pv[1]
  664:                 except:
  665:                     pass
  666:                 
  667:         # parse digilib mode parameter
  668:         if 'mo' in dlParams:
  669:             if len(dlParams['mo']) > 0:
  670:                 modes=dlParams['mo'].split(',')
  671:         else:
  672:             modes=[]
  673: 
  674:         self.REQUEST.SESSION['query'] = dlParams
  675:         self.REQUEST.SESSION['dlModes'] = modes
  676:         self.REQUEST.SESSION['dlInfo'] = self.getDLInfo()
  677:         if not self.REQUEST.SESSION.has_key('browserType'):
  678:             self.REQUEST.SESSION['browserType'] = browserCheck(self)
  679:             
  680:         return
  681: 
  682:     def checkQuery(self):
  683: 	"""check if the query has been stored"""
  684: 	if not (self.REQUEST.SESSION and self.REQUEST.SESSION.has_key('query')) :
  685: 	    print "ZOGILIB: have to store query!!"
  686: 	    self.storeQuery()
  687:         return
  688: 
  689:     def zogilibPath(self, otherbase=None):
  690:         """returns an URL to the zogiLib instance"""
  691:         url = self.REQUEST['URL1']
  692:         # should end with "/"
  693:         if len(url) > 0 and url[-1] != '/':
  694:             url += '/'
  695:         if type(otherbase) is str:
  696:             url += otherbase
  697:         else:
  698:             url += self.basePath
  699:         # should end with "/"
  700:         if len(url) > 0 and url[-1] != '/':
  701:             url += '/'
  702:         return url
  703:         
  704:     def getDLParam(self, param):
  705:         """returns parameter"""
  706:         try:
  707:             return self.REQUEST.SESSION['query'][param]
  708:         except:
  709:             return
  710: 
  711:     def setDLParam(self, param, value):
  712:         """sets parameter"""
  713:         self.REQUEST.SESSION['query'][param] = value
  714:         return
  715: 
  716:     def getAllDLParams(self):
  717:         """parameter string for digilib"""
  718:         dlParams = self.REQUEST.SESSION['query']
  719:         # save modes
  720:         modes = self.REQUEST.SESSION['dlModes']
  721:         dlParams['mo'] = string.join(modes, ',')
  722:         # assemble query string
  723:         ret = ""
  724:         for param in dlParams.keys():
  725:             if dlParams[param] == None: continue
  726:             val = str(dlParams[param])
  727:             if val != "":
  728:                 ret += param + "=" + val + "&"
  729: 
  730:         # omit trailing "&"
  731:         return ret.rstrip('&')
  732: 
  733:         
  734:     def setDLParams(self,pn=None,ws=None,rot=None,brgt=None,cont=None):
  735:         """setze Parameter"""
  736: 
  737:         self.setDLParam('brgt', brgt)
  738:         self.setDLParam('cont', cont)
  739:         self.setDLParam('ws', ws)
  740:         self.setDLParam('rot', rot)
  741: 
  742:         if pn:
  743:             # unmark
  744:             self.setDLParam('mk', None)
  745:             self.setDLParam('pn', pn)
  746:             
  747:         return self.display()
  748: 
  749: 
  750:     def display(self):
  751:         """(re)display page"""
  752:         params = self.getAllDLParams()
  753:         if self.basePath:
  754:             self.REQUEST.RESPONSE.redirect(self.REQUEST['URL2']+'?'+params)
  755:         else:
  756:             self.REQUEST.RESPONSE.redirect(self.REQUEST['URL1']+'?'+params)
  757: 
  758: 
  759:     def setStaticHTML(self, static=True):
  760:         """sets the preference to static HTML"""
  761:         self.checkQuery()
  762:  	self.REQUEST.SESSION['browserType']['staticHTML'] = static
  763:         return
  764: 
  765:     def isStaticHTML(self):
  766:         """returns if the page is using static HTML only"""
  767:         self.checkQuery()
  768: 	return self.REQUEST.SESSION['browserType']['staticHTML']
  769: 
  770:     def getPT(self):
  771:         """pagenums"""
  772:         di = self.REQUEST.SESSION['dlInfo']
  773:         if di:
  774:             return int(di['pt'])
  775:         else:
  776:             return 1
  777:     
  778:     def getPN(self):
  779:         """Pagenum"""
  780:         pn = self.getDLParam('pn')
  781:         try:
  782:             return int(pn)
  783:         except:
  784:             return 1
  785: 
  786:     def getBiggerWS(self):
  787:         """ws+1"""
  788:         ws = self.getDLParam('ws')
  789:         try:
  790:             return float(ws)+0.5
  791:         except:
  792:             return 1.5
  793:         
  794:     def getSmallerWS(self):
  795:         """ws-1"""
  796:         ws=self.getDLParam('ws')
  797:         try:
  798:             return max(float(ws)-0.5, 1)
  799:         except:
  800:             return 1
  801: 
  802:     def hasMode(self, mode):
  803:         """returns if mode is in the diglib mo parameter"""
  804:         return (mode in self.REQUEST.SESSION['dlModes'])
  805: 
  806:     def hasNextPage(self):
  807:         """returns if there is a next page"""
  808:         pn = self.getPN()
  809:         pt = self.getPT()
  810:         return (pn < pt)
  811:    
  812:     def hasPrevPage(self):
  813:         """returns if there is a previous page"""
  814:         pn = self.getPN()
  815:         return (pn > 1)
  816: 
  817:     def canMoveLeft(self):
  818:         """returns if its possible to move left"""
  819:         wx = float(self.getDLParam('wx') or 0)
  820:         return (wx > 0)
  821: 
  822:     def canMoveRight(self):
  823:         """returns if its possible to move right"""
  824:         wx = float(self.getDLParam('wx') or 0)
  825:         ww = float(self.getDLParam('ww') or 1)
  826:         return (wx + ww < 1)
  827: 
  828:     def canMoveUp(self):
  829:         """returns if its possible to move up"""
  830:         wy = float(self.getDLParam('wy') or 0)
  831:         return (wy > 0)
  832: 
  833:     def canMoveDown(self):
  834:         """returns if its possible to move down"""
  835:         wy = float(self.getDLParam('wy') or 0)
  836:         wh = float(self.getDLParam('wh') or 1)
  837:         return (wy + wh < 1)
  838: 
  839: 
  840:     def dl_StaticHTML(self):
  841:         """set rendering to static HTML"""
  842:         self.checkQuery()
  843:         self.REQUEST.SESSION['browserType']['staticHTML'] = True
  844:         return self.display()
  845: 
  846:     def dl_DynamicHTML(self):
  847:         """set rendering to dynamic HTML"""
  848:         self.checkQuery()
  849:         self.REQUEST.SESSION['browserType']['staticHTML'] = False
  850:         return self.display()
  851:         
  852:     def dl_HMirror(self):
  853:         """mirror action"""
  854:         modes = self.REQUEST.SESSION['dlModes']
  855:         if 'hmir' in modes:
  856:             modes.remove('hmir')
  857:         else:
  858:             modes.append('hmir')
  859: 
  860:         return self.display()
  861:        
  862:     def dl_VMirror(self):
  863:         """mirror action"""
  864:         modes = self.REQUEST.SESSION['dlModes']
  865:         if 'vmir' in modes:
  866:             modes.remove('vmir')
  867:         else:
  868:             modes.append('vmir')
  869: 
  870:         return self.display()
  871: 
  872:     def dl_Zoom(self, z):
  873:         """general zoom action"""
  874:         ww1 = float(self.getDLParam('ww') or 1)
  875:         wh1 = float(self.getDLParam('wh') or 1)
  876:         wx = float(self.getDLParam('wx') or 0)
  877:         wy = float(self.getDLParam('wy') or 0)
  878:         ww2 = ww1 * z
  879:         wh2 = wh1 * z
  880:         wx += (ww1 - ww2) / 2
  881:         wy += (wh1 - wh2) / 2
  882:         ww2 = max(min(ww2, 1), 0)
  883:         wh2 = max(min(wh2, 1), 0)
  884:         wx = max(min(wx, 1), 0)
  885:         wy = max(min(wy, 1), 0)
  886:         self.setDLParam('ww', ww2)
  887:         self.setDLParam('wh', wh2)
  888:         self.setDLParam('wx', wx)
  889:         self.setDLParam('wy', wy)
  890:         return self.display()
  891:         
  892:     def dl_ZoomIn(self):
  893:         """zoom in action"""
  894:         z = 0.7071
  895:         return self.dl_Zoom(z)
  896: 
  897:     def dl_ZoomOut(self):
  898:         """zoom out action"""
  899:         z = 1.4142
  900:         return self.dl_Zoom(z)
  901: 
  902:     def dl_Move(self, dx, dy):
  903:         """general move action"""
  904:         ww = float(self.getDLParam('ww') or 1)
  905:         wh = float(self.getDLParam('wh') or 1)
  906:         wx = float(self.getDLParam('wx') or 0)
  907:         wy = float(self.getDLParam('wy') or 0)
  908:         wx += dx * 0.5 * ww
  909:         wy += dy * 0.5 * wh
  910:         wx = max(min(wx, 1), 0)
  911:         wy = max(min(wy, 1), 0)
  912:         self.setDLParam('wx', wx)
  913:         self.setDLParam('wy', wy)
  914:         return self.display()
  915:         
  916:     def dl_MoveLeft(self):
  917:         """move left action"""
  918:         return self.dl_Move(-1, 0)
  919:     
  920:     def dl_MoveRight(self):
  921:         """move left action"""
  922:         return self.dl_Move(1, 0)
  923:     
  924:     def dl_MoveUp(self):
  925:         """move left action"""
  926:         return self.dl_Move(0, -1)
  927:     
  928:     def dl_MoveDown(self):
  929:         """move left action"""
  930:         return self.dl_Move(0, 1)
  931:     
  932:     def dl_WholePage(self):
  933:         """zoom out action"""
  934:         self.setDLParam('ww', 1)
  935:         self.setDLParam('wh', 1)
  936:         self.setDLParam('wx', 0)
  937:         self.setDLParam('wy', 0)
  938:         return self.display()
  939:         
  940:     def dl_PrevPage(self):
  941:         """next page action"""
  942:         pn = self.getPN() - 1
  943:         if pn < 1:
  944:             pn = 1
  945:         self.setDLParam('pn', pn)
  946:         # unmark
  947:         self.setDLParam('mk', None)
  948:         return self.display()
  949:         
  950:     def dl_NextPage(self):
  951:         """next page action"""
  952:         pn = self.getPN() + 1
  953:         pt = self.getPT()
  954:         if pn > pt:
  955:             pn = pt
  956:         self.setDLParam('pn', pn)
  957:         # unmark
  958:         self.setDLParam('mk', None)
  959:         return self.display()
  960: 
  961:     def dl_FirstPage(self):
  962:         """first page action"""
  963:         self.setDLParam('pn', 1)
  964:         # unmark
  965:         self.setDLParam('mk', None)
  966:         return self.display()
  967:     
  968:     def dl_LastPage(self):
  969:         """last page action"""
  970:         self.setDLParam('pn', self.getPT())
  971:         # unmark
  972:         self.setDLParam('mk', None)
  973:         return self.display()
  974: 
  975:     def dl_Unmark(self):
  976:         """action to remove last mark"""
  977:         mk = self.getDLParam('mk')
  978:         if mk:
  979:             marks = mk.split(',')
  980:             marks.pop()
  981:             mk = string.join(marks, ',')
  982:             self.setDLParam('mk', mk)
  983:         return self.display()
  984: 
  985: 
  986: 
  987:     def changeZogiLibForm(self):
  988:         """Main configuration"""
  989:         pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/changeZogiLibForm.zpt')).__of__(self)
  990:         return pt()
  991:     
  992:     def changeZogiLib(self,title,digilibBaseUrl, localFileBase, version, basePath, dlTarget, RESPONSE=None):
  993:         """change it"""
  994:         self.title=title
  995:         self.digilibBaseUrl=digilibBaseUrl
  996:         self.localFileBase=localFileBase
  997:         self.basePath = basePath
  998:         self.layout=version
  999:         if dlTarget:
 1000:             self.dlTarget = dlTarget
 1001:         else:
 1002:             self.dlTarget = "digilib"
 1003: 
 1004:         if RESPONSE is not None:
 1005:             RESPONSE.redirect('manage_main')
 1006: 
 1007:           
 1008: def manage_addZogiLibForm(self):
 1009:     """interface for adding zogilib"""
 1010:     pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/addZogiLibForm')).__of__(self)
 1011:     return pt()
 1012: 
 1013: def manage_addZogiLib(self,id,title,digilibBaseUrl, localFileBase,version="book",basePath="",dlTarget="digilib",RESPONSE=None):
 1014:     """add dgilib"""
 1015:     newObj=zogiLib(id,title,digilibBaseUrl, localFileBase, version, basePath, dlTarget)
 1016:     self.Destination()._setObject(id,newObj)
 1017:     if RESPONSE is not None:
 1018:         RESPONSE.redirect('manage_main')

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