File:  [Repository] / zogiLib / zogiLib.py
Revision 1.56: download - view: text, annotated - select for diffs - revision graph
Wed Jun 8 07:08:27 2005 UTC (19 years, 1 month ago) by dwinter
Branches: MAIN
CVS tags: HEAD
 image durch simpleItem

    1: from OFS.SimpleItem import SimpleItem
    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 AccessControl import ClassSecurityInfo
    7: import xml.dom.minidom
    8: from OFS.Folder import Folder
    9: from xml_helpers import getUniqueElementText,getText
   10: import os
   11: import re
   12: import string
   13: import urllib
   14: import types
   15: import random
   16: from Globals import package_home
   17: 
   18: ZOGIVERSION = "0.9.15b DW:22.2.2005"
   19: 
   20: def cropf(f):
   21:     """returns a float with reduced precision"""
   22:     return float(int(f * 10000)/10000.0)
   23: 
   24: 
   25: def sendFile(self, filename, type):
   26:     """sends an object or a local file (from the product) as response"""
   27:     paths = filename.split('/')
   28:     object = self
   29:     # look for an object called filename
   30:     for path in paths:
   31:         if hasattr(object, path):
   32: 	    object = getattr(object, path)
   33: 	else:
   34: 	    object = None
   35: 	    break
   36:     if object:
   37: 	# if the object exists then send it
   38: 	return object.index_html(self.REQUEST.REQUEST, self.REQUEST.RESPONSE)
   39:     else:
   40: 	# send a local file with the given content-type
   41: 	fn = os.path.join(package_home(globals()), filename)
   42: 	self.REQUEST.RESPONSE.setHeader("Content-Type", type)
   43: 	self.REQUEST.RESPONSE.write(file(fn).read())
   44:     return
   45: 
   46: def browserCheck(self):
   47:     """check the browsers request to find out the browser type"""
   48:     bt = {}
   49:     ua = self.REQUEST.get_header("HTTP_USER_AGENT")
   50:     bt['ua'] = ua
   51:     bt['isIE'] = False
   52:     bt['isN4'] = False
   53:     if string.find(ua, 'MSIE') > -1:
   54:         bt['isIE'] = True
   55:     else:
   56:         bt['isN4'] = (string.find(ua, 'Mozilla/4.') > -1)
   57:         
   58:     try:
   59:         nav = ua[string.find(ua, '('):]
   60:         ie = string.split(nav, "; ")[1]
   61:         if string.find(ie, "MSIE") > -1:
   62:             bt['versIE'] = string.split(ie, " ")[1]
   63:     except: pass
   64:     
   65:     bt['isMac'] = string.find(ua, 'Macintosh') > -1
   66:     bt['isWin'] = string.find(ua, 'Windows') > -1
   67:     bt['isIEWin'] = bt['isIE'] and bt['isWin']
   68:     bt['isIEMac'] = bt['isIE'] and bt['isMac']
   69:     bt['staticHTML'] = False
   70: 
   71:     return bt
   72: 
   73:     
   74: class zogiImage(SimpleItem):
   75:     """einzelnes Image"""
   76:     meta_type="zogiImage"
   77: 
   78:     manage_options=SimpleItem.manage_options+(
   79:         {'label':'Main config','action':'changeZogiImageForm'},
   80:        )
   81:     
   82:     
   83:     def __init__(self,id,title,baseUrl,queryString,content_type='',precondition=''):
   84:         """init"""
   85:         self.id=id
   86:         self.title=title
   87:         if baseUrl:
   88:             self.baseUrl=baseUrl
   89:         else:
   90:             self.baseUrl="http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary/servlet/Scaler?"
   91:             
   92:         self.queryString=queryString
   93:         self.content_type=content_type
   94:         self.precondition=precondition
   95: 
   96:     #def getData(self):
   97:     #    """getUrlData"""
   98:     #    return urllib.urlopen(self.baseUrl+self.queryString)
   99: 
  100:     def changeZogiImageForm(self):
  101:         """Main configuration"""
  102:         pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/changeZogiImageForm.zpt')).__of__(self)
  103:         return pt()
  104:     
  105:     def changeZogiImage(self,title,baseUrl, queryString,RESPONSE=None):
  106:         """change it"""
  107:         self.title=title
  108:         self.baseUrl=baseUrl
  109:         self.queryString=queryString
  110: 
  111:         if RESPONSE is not None:
  112:             RESPONSE.redirect('manage_main')
  113: 
  114:     def index_html(self, REQUEST, RESPONSE):
  115:         """service the request by redirecting to digilib server"""
  116:         RESPONSE.redirect(self.baseUrl+self.queryString)
  117:         return ''
  118:         
  119: 
  120: 
  121: def manage_addZogiImageForm(self):
  122:     """Form for adding"""
  123:     pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/addZogiImage.zpt')).__of__(self)
  124:     return pt()
  125: 
  126: 
  127: def manage_addZogiImage(self,id,title,baseUrl, queryString,RESPONSE=None):
  128:     """add zogiimage"""
  129:     newObj=zogiImage(id,title,baseUrl, queryString)
  130:     self.Destination()._setObject(id,newObj)
  131:     if RESPONSE is not None:
  132:         RESPONSE.redirect('manage_main')
  133: 
  134: 
  135: 
  136: class zogiLib(Folder):
  137:     """digilib frontend with ZOPE"""
  138: 
  139:     meta_type="zogiLib"
  140:     #xxxx
  141:     security=ClassSecurityInfo()
  142:     
  143:     manage_options = Folder.manage_options+(
  144:             {'label':'Main Config','action':'changeZogiLibForm'},
  145:             )
  146: 
  147:     def __init__(self, id, title, dlServerURL, layout="book", basePath="", dlTarget=None, dlToolbarBaseURL=None):
  148:         """init"""
  149: 
  150:         self.id=id
  151:         self.title=title
  152:         self.dlServerURL = dlServerURL
  153:         self.basePath=basePath
  154:         self.layout=layout
  155:         self.dlTarget = dlTarget
  156: 
  157:         if dlToolbarBaseURL:
  158:             self.dlToolbarBaseURL = dlToolbarBaseURL
  159:         else:
  160:             self.dlToolbarBaseURL = dlServerURL + "/digimage.jsp?"
  161: 
  162:     security.declareProtected('View','getLayout')
  163:     def getLayout(self):
  164:         """get Layout"""
  165:         return self.layout
  166:     
  167:     def version(self):
  168:         """version information"""
  169:         return ZOGIVERSION
  170: 
  171:     def getContextStatic(self):
  172:         """get all the contexts which go to static pages"""
  173:         
  174:         try:
  175:             dom=xml.dom.minidom.parse(urllib.urlopen(self.getMetaFileName()))
  176:             contexts=dom.getElementsByTagName("context")
  177: 
  178:             ret=[]
  179:             for context in contexts:
  180:                 name=getUniqueElementText(context.getElementsByTagName("name"))
  181: 
  182:                 link=getUniqueElementText(context.getElementsByTagName("link"))
  183:                 if name or link:
  184:                     ret.append((name,link))
  185:             return ret
  186:         except:
  187:             return []
  188: 
  189:     def getContextDatabases(self):
  190:         """get all dynamic contexts"""
  191:         try:
  192:             dom=xml.dom.minidom.parse(urllib.urlopen(self.getMetaFileName()))
  193:             contexts=dom.getElementsByTagName("context")
  194:             ret=[]
  195:             for context in contexts:
  196:                 metaDataLinks=context.getElementsByTagName("meta-datalink")
  197:                 for metaDataLink in metaDataLinks:
  198:                     db=metaDataLink.getAttribute("db")
  199:                     link=self.REQUEST['URL1']+"/dl_db?db=%s"%db
  200:                     if db:
  201:                         ret.append((db,link))
  202:                 metaDataLinks=context.getElementsByTagName("meta-baselink")
  203: 
  204:                 for metaDataLink in metaDataLinks:
  205:                     db=metaDataLink.getAttribute("db")
  206:                     link=self.REQUEST['URL1']+"/dl_db?db=%s"%db
  207:                     if db:
  208:                         ret.append((db,link))
  209: 
  210:             return ret
  211:         except:
  212: 
  213:             return []
  214: 
  215: 
  216:     def formatHTML(self,url,label=None,viewUrl=None):
  217: 
  218:         sets=xml.dom.minidom.parse(urllib.urlopen(url)).getElementsByTagName('dataset')
  219:         ret=""
  220:         print label
  221:         if label:
  222:             ret+="""<a href="%s">%s</a>"""%(viewUrl,label)
  223:         for set in sets:
  224:             ret+="<table>"
  225:             for node in set.childNodes:
  226:                 if hasattr(node,'tagName'):
  227:                     tag=node.tagName
  228:                     label=node.getAttribute("label")
  229:                     if not label:
  230:                         label=tag
  231:                     text=getText(node.childNodes)
  232:                     ret+="""<tr><td><b>%s:</b></td><td>%s</td></tr>"""%(label,text)
  233:             ret+="</table>"
  234:         return ret
  235: 
  236:     
  237:     def getMetaData(self):
  238:         """getMetaData"""
  239:         try:
  240:             dom=xml.dom.minidom.parse(urllib.urlopen(self.getMetaFileName()))
  241:         except:
  242:             return "error metadata"
  243:         
  244:         contexts=dom.getElementsByTagName("context")
  245:         ret=[]
  246:         db=self.getDLParam("db")
  247:         ob=self.getDLParam("object")
  248:         
  249:         fn=self.getDLParam("fn")
  250:         pn=self.getDLParam("pn")
  251:         if not fn:
  252:             fn=""
  253:         if not pn:
  254:             pn=""
  255:         if not ob:
  256:             ob=""
  257:             
  258:         for context in contexts:
  259:             metaDataLinks=context.getElementsByTagName("meta-datalink")
  260:             for metaDataLink in metaDataLinks:
  261:                  
  262:                 if (db==metaDataLink.getAttribute("db")) or (len(metaDataLinks)==1):
  263:                     
  264:                     link=getUniqueElementText(metaDataLink.getElementsByTagName("metadata-url"))
  265:                     label=getUniqueElementText(metaDataLink.getElementsByTagName("label"))
  266:                     url=getUniqueElementText(metaDataLink.getElementsByTagName("url"))
  267: 
  268:                     return self.formatHTML(link,label,url)
  269: 
  270:             metaDataLinks=context.getElementsByTagName("meta-baselink")
  271:              
  272:             for metaDataLink in metaDataLinks:
  273:                 
  274:                 if db==metaDataLink.getAttribute("db") or (len(metaDataLinks)==1):
  275:                     
  276:                     link=getUniqueElementText(metaDataLink.getElementsByTagName("metadata-url"))
  277:                     label=getUniqueElementText(metaDataLink.getElementsByTagName("label"))
  278:                     url=getUniqueElementText(metaDataLink.getElementsByTagName("url"))
  279: 
  280:                     return self.formatHTML(link+'fn=%s&pn=%s&object=%s'%(fn,pn,ob),label,url)
  281:         return ret
  282: 
  283: 
  284:     def getDLInfo(self):
  285:         """get DLInfo from digilib server"""
  286:         paramH={}
  287:         baseUrl=self.dlServerURL+"/dlInfo-xml.jsp"
  288:         try:
  289:             url=urllib.urlopen(baseUrl+'?'+self.REQUEST['QUERY_STRING'])
  290:             dom=xml.dom.minidom.parse(url)
  291:             params=dom.getElementsByTagName('parameter')
  292:             for param in params:
  293:                 paramH[param.getAttribute('name')]=param.getAttribute('value')
  294:             return paramH
  295:         except:
  296:             return {}
  297: 
  298: 
  299:     def createHeadJS(self):
  300:         """generate all javascript tags for head"""
  301: 	self.checkQuery()
  302: 	bt = self.REQUEST.SESSION.get('browserType', {})
  303:         if bt['staticHTML']:
  304:             return
  305:         
  306:         pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogilib_head_js')).__of__(self)
  307:         return pt()
  308: 
  309:     def createParamJS(self):
  310:         """generate javascript for parameters only"""
  311: 	self.checkQuery()
  312: 	bt = self.REQUEST.SESSION['browserType']
  313:         if bt['staticHTML']:
  314:             return
  315: 
  316:         pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogilib_param_js')).__of__(self)
  317:         return pt()
  318:         
  319:                         
  320:     def createScalerImg(self, requestString=None, bottom=0, side=0, width=500, height=500):
  321:         """generate Scaler IMG Tag"""
  322: 	self.checkQuery()
  323: 	bt = self.REQUEST.SESSION['browserType']
  324:         # override with parameters from session
  325:         if  self.REQUEST.SESSION.has_key('scalerDiv'):
  326:             (requestString, bottom, side, width, height) = self.REQUEST.SESSION['scalerDiv']
  327:         # if not explicitly defined take normal request
  328:         if not requestString:
  329:             requestString = self.getAllDLParams()
  330:         url = self.dlServerURL+'/servlet/Scaler?'+requestString
  331:         # construct bottom and side insets
  332:         b_par = ""
  333:         s_par = ""
  334:         if (bottom != 0) or (side != 0):
  335:             b_par = "-" + str(int(bottom))
  336:             s_par = "-" + str(int(side))
  337:         tag = ""
  338:         if bt['staticHTML']:
  339:             tag += '<div id="scaler"><img id="pic" src="%s&dw=%i&dh=%i" /></div>'%(url, int(width-side), int(height-bottom))
  340:         else:
  341:             if bt['isN4']:
  342:                 # N4 needs layers
  343:                 tag += '<ilayer id="scaler">'
  344:             else:
  345:                 tag += '<div id="scaler">'
  346:             tag += '<script type="text/javascript">'
  347:             tag += "var ps = bestPicSize(getElement('scaler'));"
  348:             # write img tag with javascript
  349:             tag += 'document.write(\'<img id="pic" src="%s&dw=\'+(ps.width%s)+\'&dh=\'+(ps.height%s)+\'" />\');'%(url, s_par, b_par)
  350:             tag += '</script>'
  351:             if bt['isN4']:
  352:                 tag += '</ilayer>'
  353:             else:
  354:                 tag += '</div>'
  355:         return tag
  356: 
  357:     def createScalerDiv(self, requestString = None, bottom = 0, side = 0, width=500, height=500):
  358:         """generate scaler img and table with navigation arrows"""
  359: 	self.checkQuery()
  360:         if requestString != None or bottom != 0 or side != 0:
  361:             self.REQUEST.SESSION['scalerDiv'] = (requestString, bottom, side, width, height)
  362:         else:
  363:             if self.REQUEST.SESSION.has_key('scalerDiv'):
  364:                 # make shure to remove unused parameter
  365:                 del self.REQUEST.SESSION['scalerDiv']
  366:                 
  367:         pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt/zogilib_img_div')).__of__(self)
  368:         return pt()
  369: 
  370:     def createAuxDiv(self):
  371:         """generate other divs"""
  372: 	self.checkQuery()
  373: 	bt = self.REQUEST.SESSION['browserType']
  374:         if bt['staticHTML']:
  375:             return
  376:         if bt['isN4']:
  377:             f = 'zpt/zogilib_divsN4.zpt'
  378:         else:
  379:             f = 'zpt/zogiLib_divs.zpt'
  380:         pt=PageTemplateFile(os.path.join(package_home(globals()),f)).__of__(self)
  381:         return pt()
  382: 
  383: 
  384:     def option_js(self):
  385:         """javascript"""
  386:         return sendFile(self, 'js/option.js', 'text/plain')
  387: 
  388:     def dl_lib_js(self):
  389:         """javascript"""
  390:         return sendFile(self, 'js/dllib.js', 'text/plain')
  391: 
  392:     def js_lib_js(self):
  393:         """javascript"""
  394:         return sendFile(self, 'js/baselib.js', 'text/plain')
  395: 
  396:     def optionwindow(self):
  397:         """showoptions"""
  398: 	self.checkQuery()
  399: 	bt = self.REQUEST.SESSION['browserType']
  400:         if bt['staticHTML']:
  401:             pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/optionwindow_static.zpt')).__of__(self)
  402:         else:
  403:             tp = "viewingTools.zpt"
  404:             if hasattr(self, tp):
  405:                 pt = getattr(self, tp)
  406: 	    else:
  407:                 pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/optionwindow.zpt')).__of__(self)
  408:                 
  409:         return pt()
  410: 
  411:     def mark1(self):
  412:         """mark image"""
  413:         return sendFile(self, 'images/mark1.gif', 'image/gif')
  414: 
  415:     def mark2(self):
  416:         """mark image"""
  417:         return sendFile(self, 'images/mark2.gif', 'image/gif')
  418: 
  419:     def mark3(self):
  420:         """mark image"""
  421:         return sendFile(self, 'images/mark3.gif', 'image/gif')
  422: 
  423:     def mark4(self):
  424:         """mark image"""
  425:         return sendFile(self, 'images/mark4.gif', 'image/gif')
  426: 
  427:     def mark5(self):
  428:         """mark image"""
  429:         return sendFile(self, 'images/mark5.gif', 'image/gif')
  430: 
  431:     def mark6(self):
  432:         """mark image"""
  433:         return sendFile(self, 'images/mark6.gif', 'image/gif')
  434: 
  435:     def mark7(self):
  436:         """mark image"""
  437:         return sendFile(self, 'images/mark7.gif', 'image/gif')
  438: 
  439:     def mark8(self):
  440:         """mark image"""
  441:         return sendFile(self, 'images/mark8.gif', 'image/gif')
  442: 
  443:     def corner1(self):
  444:         """mark image"""
  445:         return sendFile(self, 'images/olinks.gif', 'image/gif')
  446: 
  447:     def corner2(self):
  448:         """mark image"""
  449:         return sendFile(self, 'images/orechts.gif', 'image/gif')
  450: 
  451:     def corner3(self):
  452:         """mark image"""
  453:         return sendFile(self, 'images/ulinks.gif', 'image/gif')
  454: 
  455:     def corner4(self):
  456:         """mark image"""
  457:         return sendFile(self, 'images/urechts.gif', 'image/gif')
  458: 
  459:     def up_img(self):
  460:         """mark image"""
  461:         return sendFile(self, 'images/up.gif', 'image/gif')
  462: 
  463:     def down_img(self):
  464:         """mark image"""
  465:         return sendFile(self, 'images/down.gif', 'image/gif')
  466: 
  467:     def left_img(self):
  468:         """mark image"""
  469:         return sendFile(self, 'images/left.gif', 'image/gif')
  470: 
  471:     def right_img(self):
  472:         """mark image"""
  473:         return sendFile(self, 'images/right.gif', 'image/gif')
  474: 
  475: 
  476:             
  477:     def index_html(self):
  478:         """main action"""
  479: 	self.checkQuery()
  480: 	bt = self.REQUEST.SESSION['browserType']
  481:         tp = "zogiLibMainTemplate"
  482:         
  483:         if hasattr(self, tp):
  484: 	    pt = getattr(self, tp)
  485:         else:
  486:             tpt = self.layout
  487:             
  488:             if bt['staticHTML']:
  489:                 tpt = "static"
  490:                 
  491:             pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/zogiLibMain_%s'%tpt)).__of__(self)
  492:             
  493:         return pt()
  494: 
  495: 
  496:     def storeQuery(self, more = None):
  497:         """storeQuery in session"""
  498:         dlParams = {}
  499:         for fm in self.REQUEST.form.keys():
  500:             dlParams[fm] = self.REQUEST.form[fm]
  501:         # look for more
  502:         if more:
  503:             for fm in more.split('&'):
  504:                 try:
  505:                     pv = fm.split('=')
  506:                     dlParams[pv[0]] = pv[1]
  507:                 except:
  508:                     pass
  509:                 
  510:         # parse digilib mode parameter
  511:         if 'mo' in dlParams:
  512:             if len(dlParams['mo']) > 0:
  513:                 modes=dlParams['mo'].split(',')
  514:         else:
  515:             modes=[]
  516:             
  517:         wid = self.getWID()
  518:         self.REQUEST.set('wid', wid)
  519:         self.setSubSession('dlQuery', dlParams)
  520:         self.setSubSession('dlModes', modes)
  521:         self.setSubSession('dlInfo', self.getDLInfo())
  522:         if not self.REQUEST.SESSION.has_key('browserType'):
  523:             self.REQUEST.SESSION['browserType'] = browserCheck(self)
  524:             
  525:         return
  526: 
  527:     def checkQuery(self):
  528: 	"""check if the query has been stored"""
  529: 	if not (self.REQUEST.SESSION and self.getSubSession('dlQuery')) :
  530: 	    print "ZOGILIB: have to store query!!"
  531: 	    self.storeQuery()
  532:         return
  533: 
  534:     def zogilibPath(self, otherbase=None):
  535:         """returns an URL to the zogiLib instance"""
  536:         url = self.REQUEST['URL1']
  537:         # should end with "/"
  538:         if len(url) > 0 and url[-1] != '/':
  539:             url += '/'
  540:         if type(otherbase) is str:
  541:             url += otherbase
  542:         else:
  543:             url += self.basePath
  544:         # should end with "/"
  545:         if len(url) > 0 and url[-1] != '/':
  546:             url += '/'
  547:         return url
  548: 
  549:     def zogilibAction(self, action, otherbase=None, wid=None):
  550:         """returns a URL with zogilib path, action and wid"""
  551:         url = self.zogilibPath(otherbase)
  552:         url += action
  553:         if wid:
  554:             url += '?wid=' + wid
  555:         else:
  556:             url += '?wid=' + self.getWID()
  557:         return url
  558: 
  559:     def getSubSession(self, key, default=None):
  560:         """returns an element from a session with a wid"""
  561:         wid = self.getWID()
  562:         return self.REQUEST.SESSION.get(key+'_'+wid, default)
  563: 
  564:     def setSubSession(self, key, value):
  565:         """puts an element in a session with a wid"""
  566:         wid = self.getWID()
  567:         self.REQUEST.SESSION.set(key+'_'+wid, value)
  568:         return
  569: 
  570:     def getWID(self):
  571:         """returns a (new) window id"""
  572:         wid = self.REQUEST.get('wid')
  573:         if not wid:
  574:             wid = 'digi_'+str(int(random.random()*10000))
  575:             print "new WID:", wid
  576:         return wid
  577:         
  578:     def getDLParam(self, param, default=None):
  579:         """returns parameter or default"""
  580:         try:
  581:             return self.getSubSession('dlQuery').get(param, default)
  582:         except:
  583:             return default
  584: 
  585:     def setDLParam(self, param, value):
  586:         """sets parameter"""
  587:         dlParams = self.getSubSession('dlQuery')
  588:         #try:
  589:         dlParams[param] = value
  590:         #except:
  591:         #    self.setSubSession('dlQuery', {param: value})
  592:         return
  593: 
  594:     def getAllDLParams(self):
  595:         """parameter string for digilib"""
  596:         dlParams = self.getSubSession('dlQuery')
  597:         # save modes
  598:         modes = self.getSubSession('dlModes')
  599:         dlParams['mo'] = string.join(modes, ',')
  600:         # assemble query string
  601:         ret = ""
  602:         for param in dlParams.keys():
  603:             if dlParams[param] is None: continue
  604:             val = str(dlParams[param])
  605:             if val != "":
  606:                 ret += param + "=" + val + "&"
  607: 
  608:         # omit trailing "&"
  609:         return ret.rstrip('&')
  610: 
  611:         
  612:     def setDLParams(self,pn=None,ws=None,rot=None,brgt=None,cont=None):
  613:         """setze Parameter"""
  614: 
  615:         self.setDLParam('brgt', brgt)
  616:         self.setDLParam('cont', cont)
  617:         self.setDLParam('ws', ws)
  618:         self.setDLParam('rot', rot)
  619: 
  620:         if pn:
  621:             # unmark
  622:             self.setDLParam('mk', None)
  623:             self.setDLParam('pn', pn)
  624:             
  625:         return self.display()
  626: 
  627: 
  628:     def display(self):
  629:         """(re)display page"""
  630:         if not self.getDLParam('wid'):
  631:             wid = self.getWID()
  632:             self.setDLParam('wid', wid)
  633:             
  634:         params = self.getAllDLParams()
  635:             
  636:         if self.basePath:
  637:             self.REQUEST.RESPONSE.redirect(self.REQUEST['URL2']+'?'+params)
  638:         else:
  639:             self.REQUEST.RESPONSE.redirect(self.REQUEST['URL1']+'?'+params)
  640: 
  641:     def getMetaFileName(self):
  642:         url=self.dlServerURL+'/dlContext-xml.jsp?'+self.getAllDLParams()
  643:         return urlbase
  644: 
  645:     def getToolbarPageURL(self):
  646:         """returns a toolbar-enabled page URL"""
  647:         url=self.dlToolbarBaseURL+self.getAllDLParams()
  648:         return url
  649:     
  650:     def getDLTarget(self):
  651:         """returns dlTarget"""
  652:         self.checkQuery()
  653:         s = self.dlTarget
  654:         if s == None:
  655:             s = ""
  656: #         s = 'dl'
  657: #         if self.getDLParam('fn'):
  658: #             s += "_" + self.getDLParam('fn')
  659: #         if self.getDLParam('pn'):
  660: #             s += "_" + self.getDLParam('pn')
  661:         return s
  662: 
  663:     def setStaticHTML(self, static=True):
  664:         """sets the preference to static HTML"""
  665:         self.checkQuery()
  666:  	self.REQUEST.SESSION['browserType']['staticHTML'] = static
  667:         return
  668: 
  669:     def isStaticHTML(self):
  670:         """returns if the page is using static HTML only"""
  671:         self.checkQuery()
  672: 	return self.REQUEST.SESSION['browserType']['staticHTML']
  673: 
  674:     def getPT(self):
  675:         """pagenums"""
  676:         di = self.getSubSession('dlInfo')
  677:         if di:
  678:             return int(di['pt'])
  679:         else:
  680:             return 1
  681:     
  682:     def getPN(self):
  683:         """Pagenum"""
  684:         pn = self.getDLParam('pn')
  685:         try:
  686:             return int(pn)
  687:         except:
  688:             return 1
  689: 
  690:     def getBiggerWS(self):
  691:         """ws+1"""
  692:         ws = self.getDLParam('ws')
  693:         try:
  694:             return float(ws)+0.5
  695:         except:
  696:             return 1.5
  697:         
  698:     def getSmallerWS(self):
  699:         """ws-1"""
  700:         ws=self.getDLParam('ws')
  701:         try:
  702:             return max(float(ws)-0.5, 1)
  703:         except:
  704:             return 1
  705: 
  706:     def hasMode(self, mode):
  707:         """returns if mode is in the diglib mo parameter"""
  708:         wid = self.getWID()
  709:         return (mode in self.REQUEST.SESSION['dlModes_'+wid])
  710: 
  711:     def hasNextPage(self):
  712:         """returns if there is a next page"""
  713:         pn = self.getPN()
  714:         pt = self.getPT()
  715:         return (pn < pt)
  716:    
  717:     def hasPrevPage(self):
  718:         """returns if there is a previous page"""
  719:         pn = self.getPN()
  720:         return (pn > 1)
  721: 
  722:     def canMoveLeft(self):
  723:         """returns if its possible to move left"""
  724:         wx = float(self.getDLParam('wx') or 0)
  725:         return (wx > 0)
  726: 
  727:     def canMoveRight(self):
  728:         """returns if its possible to move right"""
  729:         wx = float(self.getDLParam('wx') or 0)
  730:         ww = float(self.getDLParam('ww') or 1)
  731:         return (wx + ww < 1)
  732: 
  733:     def canMoveUp(self):
  734:         """returns if its possible to move up"""
  735:         wy = float(self.getDLParam('wy') or 0)
  736:         return (wy > 0)
  737: 
  738:     def canMoveDown(self):
  739:         """returns if its possible to move down"""
  740:         wy = float(self.getDLParam('wy') or 0)
  741:         wh = float(self.getDLParam('wh') or 1)
  742:         return (wy + wh < 1)
  743: 
  744: 
  745:     def dl_StaticHTML(self):
  746:         """set rendering to static HTML"""
  747:         self.checkQuery()
  748:         self.REQUEST.SESSION['browserType']['staticHTML'] = True
  749:         return self.display()
  750: 
  751:     def dl_DynamicHTML(self):
  752:         """set rendering to dynamic HTML"""
  753:         self.checkQuery()
  754:         self.REQUEST.SESSION['browserType']['staticHTML'] = False
  755:         return self.display()
  756:         
  757:     def dl_HMirror(self):
  758:         """mirror action"""
  759:         modes = self.getSubSession('dlModes')
  760:         if 'hmir' in modes:
  761:             modes.remove('hmir')
  762:         else:
  763:             modes.append('hmir')
  764: 
  765:         return self.display()
  766:        
  767:     def dl_VMirror(self):
  768:         """mirror action"""
  769:         modes = self.getSubSession('dlModes')
  770:         if 'vmir' in modes:
  771:             modes.remove('vmir')
  772:         else:
  773:             modes.append('vmir')
  774: 
  775:         return self.display()
  776: 
  777:     def dl_Zoom(self, z):
  778:         """general zoom action"""
  779:         ww1 = float(self.getDLParam('ww') or 1)
  780:         wh1 = float(self.getDLParam('wh') or 1)
  781:         wx = float(self.getDLParam('wx') or 0)
  782:         wy = float(self.getDLParam('wy') or 0)
  783:         ww2 = ww1 * z
  784:         wh2 = wh1 * z
  785:         wx += (ww1 - ww2) / 2
  786:         wy += (wh1 - wh2) / 2
  787:         ww2 = max(min(ww2, 1), 0)
  788:         wh2 = max(min(wh2, 1), 0)
  789:         wx = max(min(wx, 1), 0)
  790:         wy = max(min(wy, 1), 0)
  791:         self.setDLParam('ww', cropf(ww2))
  792:         self.setDLParam('wh', cropf(wh2))
  793:         self.setDLParam('wx', cropf(wx))
  794:         self.setDLParam('wy', cropf(wy))
  795:         return self.display()
  796:         
  797:     def dl_ZoomIn(self):
  798:         """zoom in action"""
  799:         z = 0.7071
  800:         return self.dl_Zoom(z)
  801: 
  802:     def dl_ZoomOut(self):
  803:         """zoom out action"""
  804:         z = 1.4142
  805:         return self.dl_Zoom(z)
  806: 
  807:     def dl_Move(self, dx, dy):
  808:         """general move action"""
  809:         ww = float(self.getDLParam('ww') or 1)
  810:         wh = float(self.getDLParam('wh') or 1)
  811:         wx = float(self.getDLParam('wx') or 0)
  812:         wy = float(self.getDLParam('wy') or 0)
  813:         wx += dx * 0.5 * ww
  814:         wy += dy * 0.5 * wh
  815:         wx = max(min(wx, 1), 0)
  816:         wy = max(min(wy, 1), 0)
  817:         self.setDLParam('wx', cropf(wx))
  818:         self.setDLParam('wy', cropf(wy))
  819:         return self.display()
  820:         
  821:     def dl_MoveLeft(self):
  822:         """move left action"""
  823:         return self.dl_Move(-1, 0)
  824:     
  825:     def dl_MoveRight(self):
  826:         """move left action"""
  827:         return self.dl_Move(1, 0)
  828:     
  829:     def dl_MoveUp(self):
  830:         """move left action"""
  831:         return self.dl_Move(0, -1)
  832:     
  833:     def dl_MoveDown(self):
  834:         """move left action"""
  835:         return self.dl_Move(0, 1)
  836:     
  837:     def dl_WholePage(self):
  838:         """zoom out action"""
  839:         self.setDLParam('ww', 1)
  840:         self.setDLParam('wh', 1)
  841:         self.setDLParam('wx', 0)
  842:         self.setDLParam('wy', 0)
  843:         return self.display()
  844:         
  845:     def dl_PrevPage(self):
  846:         """next page action"""
  847:         pn = self.getPN() - 1
  848:         if pn < 1:
  849:             pn = 1
  850:         self.setDLParam('pn', pn)
  851:         # unmark
  852:         self.setDLParam('mk', None)
  853:         return self.display()
  854:         
  855:     def dl_NextPage(self):
  856:         """next page action"""
  857:         pn = self.getPN() + 1
  858:         pt = self.getPT()
  859:         if pn > pt:
  860:             pn = pt
  861:         self.setDLParam('pn', pn)
  862:         # unmark
  863:         self.setDLParam('mk', None)
  864:         return self.display()
  865: 
  866:     def dl_FirstPage(self):
  867:         """first page action"""
  868:         self.setDLParam('pn', 1)
  869:         # unmark
  870:         self.setDLParam('mk', None)
  871:         return self.display()
  872:     
  873:     def dl_LastPage(self):
  874:         """last page action"""
  875:         self.setDLParam('pn', self.getPT())
  876:         # unmark
  877:         self.setDLParam('mk', None)
  878:         return self.display()
  879: 
  880:     def dl_Unmark(self):
  881:         """action to remove last mark"""
  882:         mk = self.getDLParam('mk')
  883:         if mk:
  884:             marks = mk.split(',')
  885:             marks.pop()
  886:             mk = string.join(marks, ',')
  887:             self.setDLParam('mk', mk)
  888:         return self.display()
  889: 
  890:     def dl_db(self,db):
  891:         """set db"""
  892:         self.setDLParam('db',db)
  893:         self.display()
  894: 
  895:     def changeZogiLibForm(self):
  896:         """Main configuration"""
  897:         pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/changeZogiLibForm.zpt')).__of__(self)
  898:         return pt()
  899:     
  900:     def changeZogiLib(self,title,dlServerURL, version, basePath, dlTarget, dlToolbarBaseURL, RESPONSE=None):
  901:         """change it"""
  902:         self.title=title
  903:         self.dlServerURL=dlServerURL
  904:         self.basePath = basePath
  905:         self.layout=version
  906:         self.dlTarget = dlTarget
  907: 
  908:         if dlToolbarBaseURL:
  909:             self.dlToolbarBaseURL = dlToolbarBaseURL
  910:         else:
  911:             self.dlToolbarBaseURL = dlServerURL + "/digimage.jsp?"
  912: 
  913:         if RESPONSE is not None:
  914:             RESPONSE.redirect('manage_main')
  915: 
  916: 
  917: 
  918:     ##
  919:     ## odds and ends
  920:     ##
  921: 
  922:     def repairZogilib(self, obj=None):
  923:         """change stuff that broke on upgrading"""
  924: 
  925:         msg = ""
  926: 
  927:         if not obj:
  928:             obj = self.getPhysicalRoot()
  929: 
  930:         print "starting in ", obj
  931:         
  932:         entries=obj.ZopeFind(obj,obj_metatypes=['zogiLib'],search_sub=1)
  933: 
  934:         for entry in entries:
  935:             print "  found ", entry
  936:             #
  937:             # replace digilibBaseUrl by dlServerURL
  938:             if hasattr(entry[1], 'digilibBaseUrl'):
  939:                 msg += "  fixing digilibBaseUrl in "+entry[0]+"\n"
  940:                 entry[1].dlServerURL = re.sub('/servlet/Scaler\?','',entry[1].digilibBaseUrl)
  941:                 del entry[1].digilibBaseUrl
  942:                 
  943:             #
  944:             # add dlToolbarBaseURL
  945:             if not hasattr(entry[1], 'dlToolbarBaseURL'):
  946:                 msg += "  fixing dlToolbarBaseURL in "+entry[0]+"\n"
  947:                 entry[1].dlToolbarBaseURL = entry[1].dlServerURL + "/digimage.jsp?"
  948:                 
  949:         return msg+"\n\nfixed all zogilib instances in: "+obj.title
  950: 
  951:           
  952: def manage_addZogiLibForm(self):
  953:     """interface for adding zogilib"""
  954:     pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/addZogiLibForm')).__of__(self)
  955:     return pt()
  956: 
  957: def manage_addZogiLib(self,id,title,dlServerURL,version="book",basePath="",dlTarget=None,dlToolbarBaseURL=None,RESPONSE=None):
  958:     """add dgilib"""
  959:     newObj=zogiLib(id,title,dlServerURL, version, basePath, dlTarget, dlToolbarBaseURL)
  960:     self.Destination()._setObject(id,newObj)
  961:     if RESPONSE is not None:
  962:         RESPONSE.redirect('manage_main')
  963: 
  964: 
  965: class zogiLibPageTemplate(ZopePageTemplate):
  966:     """pageTemplate Objekt"""
  967:     meta_type="zogiLib_pageTemplate"
  968: 
  969: 
  970: ## def __init__(self, id, text=None, contentType=None):
  971: ##         self.id = str(id)
  972: ##         self.ZBindings_edit(self._default_bindings)
  973: ##         if text is None:
  974: ##             text = open(self._default_cont).read()
  975: ##         self.pt_edit(text, contentType)
  976: 
  977: def manage_addZogiLibPageTemplateForm(self):
  978:     """Form for adding"""
  979:     pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/addZogiLibPageTemplateForm')).__of__(self)
  980:     return pt()
  981: 
  982: def manage_addZogiLibPageTemplate(self, id='zogiLibMainTemplate', title=None, layout=None, text=None,
  983:                            REQUEST=None, submit=None):
  984:     "Add a Page Template with optional file content."
  985: 
  986:     id = str(id)
  987:     self._setObject(id, zogiLibPageTemplate(id))
  988:     ob = getattr(self, id)
  989:     if not layout: layout = "book"
  990:     ob.pt_edit(open(os.path.join(package_home(globals()),'zpt/zogiLibMain_%s.zpt'%layout)).read(),None)
  991:     if title:
  992:         ob.pt_setTitle(title)
  993:     try:
  994:         u = self.DestinationURL()
  995:     except AttributeError:
  996:         u = REQUEST['URL1']
  997:         
  998:     u = "%s/%s" % (u, urllib.quote(id))
  999:     REQUEST.RESPONSE.redirect(u+'/manage_main')
 1000:     return ''
 1001: 

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