File:  [Repository] / ECHO_content / VLPExtension.py
Revision 1.35: download - view: text, annotated - select for diffs - revision graph
Thu Nov 18 14:30:21 2004 UTC (19 years, 6 months ago) by dwinter
Branches: MAIN
CVS tags: HEAD
minor

    1: """
    2: This module contains extensions which where originally made for the VLP.
    3: """
    4: from OFS.Cache import Cacheable
    5: from Products.ECHO_content.ECHO_collection import *
    6: from Products.PageTemplates.PageTemplateFile import PageTemplateFile
    7: from Products.PageTemplates.PageTemplate import PageTemplate
    8: from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
    9: from OFS.Image import File
   10: try:
   11: 	from Products.zogiLib import zogiLib
   12: except:
   13: 	print "Zogilib not installed, VLP_resource will not work"
   14: 
   15: import xml.dom.minidom
   16: import urllib
   17: import xmlrpclib
   18: import vlp_xmlhelpers
   19: from types import *
   20: from Globals import package_home
   21: 
   22: 
   23: 
   24: def lemmatize(str):
   25: 	"""takes a str and addes links the dictionary service"""
   26: 	server = xmlrpclib.ServerProxy("http://archimedes.fas.harvard.edu/cgi-bin/donatus-rpc")
   27: 	if server:
   28: 		splitted=str.split(" ")
   29: 		wordlist=["<w>%s</w>"%split for split in splitted].join()
   30: 	return wordlist
   31: 
   32: 		
   33: 
   34: 		
   35: def makeXML(str):
   36: 	  
   37: 	    try:
   38: 		    dom=xml.dom.minidom.parseString(str)
   39: 		    return str
   40: 	    except:
   41: 		    str=str.replace("& ","&amp; ")
   42: 		    return """<?xml version="1.0" encoding="utf-8" ?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><page>
   43: 		              %s
   44: 			      </page>"""%str
   45: 	    
   46: 	             
   47: 	    
   48: def getText(nodelist):
   49: 
   50:     rc = ""
   51:     for node in nodelist:
   52:     	if node.nodeType == node.TEXT_NODE:
   53:            rc = rc + node.data
   54:     return rc
   55: 
   56: class sendMailForm(ZopePageTemplate):
   57: 	"""sendMailForm"""
   58: 	meta_type="sendMailForm"
   59: 
   60: 	_default_content_fn = os.path.join(package_home(globals()), 'vlp','sendMail_template.zpt')
   61: 
   62: 	manage_options = ZopePageTemplate.manage_options+(
   63:         {'label':'Main Config','action':'main_configForm'},
   64:         )
   65: 
   66: 	main_configForm = PageTemplateFile(
   67:     'vlp/changeSendMailForm', globals())
   68: 
   69: 	def main_config(self, toAddrs,mailServer, subjectAdd=None, RESPONSE=None):
   70: 		"""main_config"""
   71: 		self.toAddrs=toAddrs.split("\n")
   72: 		self.mailServer=mailServer
   73: 		self.subjectAdd=subjectAdd
   74: 		if RESPONSE:
   75: 			RESPONSE.redirect('manage_main')
   76: 
   77: 	def sendForm(self,fromaddr,subject,content,nextPage="index_html",RESPONSE=None):
   78: 		"""sendform"""
   79: 		fromaddr=fromaddr.strip("\r\n\t") # sicherstellen dass keine zusaetzlichen headerzeilen eingefuegt werden
   80: 		subject=subject.strip("\r\n\t") # sicherstellen dass keine zusaetzlichen headerzeilen eingefuegt werden
   81: 		toaddrs=self.toAddrs
   82: 
   83: 		subject="%s %s"%(self.subjectAdd,subject)
   84: 		
   85: 		msg = ("From: %s\r\nSubject: %s\r\nTo: %s\r\n\r\n"
   86: 		       % (fromaddr, subject, ", ".join(toaddrs)))
   87: 		server = smtplib.SMTP(self.mailServer)
   88: 	        #server.set_debuglevel(1)
   89: 		msg=msg+content
   90: 		server.sendmail(fromaddr, toaddrs, msg)
   91: 		server.quit()
   92: 
   93: 		if RESPONSE:
   94: 			RESPONSE.redirect(nextPage)
   95: 
   96: manage_addSendMailFormForm = PageTemplateFile(
   97:     'vlp/addSendMailForm', globals(), __name__='manage_addSendMailFormFrom')
   98: 
   99: from urllib import quote
  100: 
  101: def manage_addSendMailForm(self, id, toAddrs,mailServer, title=None, text=None, subjectAdd=None,
  102:                            REQUEST=None, submit=None):
  103:     "Add a Page Template with optional file content."
  104:     toAddrsList=toAddrs.split("\n")
  105:     id = str(id)
  106:     if REQUEST is None:
  107:         self._setObject(id, sendMailForm(id, text))
  108:         ob = getattr(self, id)
  109:         if title:
  110:             ob.pt_setTitle(title)
  111: 	setattr(ob,'toAddrs',toAddrsList)
  112: 	setattr(ob,'mailServer',mailServer)
  113: 	setattr(ob,'subjectAdd',subjectAdd)
  114:         return ob
  115:     else:
  116:         file = REQUEST.form.get('file')
  117:         headers = getattr(file, 'headers', None)
  118:         if headers is None or not file.filename:
  119:             zpt = sendMailForm(id)
  120:         else:
  121:             zpt = sendMailForm(id, file, headers.get('content_type'))
  122: 
  123:         self._setObject(id, zpt)
  124: 
  125:         try:
  126:             u = self.DestinationURL()
  127:         except AttributeError:
  128:             u = REQUEST['URL1']
  129: 
  130:         if submit == " Add and Edit ":
  131:             u = "%s/%s" % (u, quote(id))
  132: 	    
  133: 	ob = getattr(self, id)
  134:         if title:
  135:             ob.pt_setTitle(title)
  136: 	    
  137: 	setattr(ob,'toAddrs',toAddrsList)
  138: 	setattr(ob,'mailServer',mailServer)
  139: 	setattr(ob,'subjectAdd',subjectAdd)
  140:         REQUEST.RESPONSE.redirect(u+'/manage_main')
  141:     return ''
  142: 
  143: 	
  144: class VLP_essay(Folder):
  145:     """classe für VLP essays"""
  146: 
  147:     meta_type="VLP_essay"
  148: 
  149:     manage_options = Folder.manage_options+(
  150: 		{'label':'Main Config','action':'ConfigVLP_essayForm'},
  151: 		{'label':'Generate Essay Template','action':'generateEssayTemplateHTML'},
  152:                 )
  153: 
  154:     def content_html(self,type='collection'):
  155:         """template fuer content"""
  156:         #templates = self.ZopeFind(self.aq_parent,obj_ids=[type+"_template"])
  157:         #
  158:         #if templates:
  159:         #    return templates[0][1]()
  160: 	
  161:         if hasattr(self,type+"_template"):
  162:             obj=getattr(self,type+"_template")
  163:             return obj()
  164:         else:
  165:             pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','ECHO_%s_template_standard.zpt'%type)).__of__(self)
  166:             pt.content_type="text/html"
  167:             return pt()
  168: 
  169:     def ConfigVLP_essayForm(self):
  170:         """Form for adding"""
  171:         pt=PageTemplateFile(os.path.join(package_home(globals()),'vlp','ChangeVLP_essay.zpt')).__of__(self)
  172:         return pt()
  173: 
  174:     def ChangeVLP_essay(self,title,label,description,RESPONSE=None):
  175:         """Change vlp_essay"""
  176:         self.title=title
  177:         self.label=label
  178:         self.description=description
  179: 
  180:         if RESPONSE is not None:
  181:             RESPONSE.redirect('manage_main')
  182: 
  183:     def __init__(self,id,title,label):
  184:         """init"""
  185:         self.id=id
  186:         self.title=title
  187:         self.label=label
  188: 
  189:     def index_html(self):
  190: 	
  191: 	    """show the rendered file"""
  192: 	    
  193: 	    if hasattr(self,'essayTemplate.html'):
  194: 			return getattr(self,'essayTemplate.html')()
  195: 
  196: 	    pt=PageTemplateFile(os.path.join(package_home(globals()),'vlp','essay_template.zpt')).__of__(self)
  197: 	    pt.content_type="text/html"
  198: 	    return pt()
  199: 
  200:     def generateEssayTemplateHTML(self,RESPONSE=None):
  201:         """lege standard index.html an"""
  202: 
  203: 	if not hasattr(self,'essayTemplate.html'):
  204:             zt=ZopePageTemplate('essayTemplate.html')
  205:             self._setObject('essayTemplate.html',zt)
  206:             default_content_fn = os.path.join(package_home(globals()),
  207:                                                'vlp/essay_template.zpt')
  208:             text = open(default_content_fn).read()
  209:             zt.pt_edit(text, 'text/html')
  210: 
  211:         else:
  212:             return "already exists!"
  213:         
  214:         if RESPONSE is not None:
  215:             RESPONSE.redirect('manage_main')
  216: 
  217: 
  218:     def getPage(self,pagenum):
  219:         """gibt essay page mit num aus"""
  220:         def sortFind(x,y):
  221:             return cmp(x[0],y[0])
  222:         pages=[]
  223:         pagestmp=self.ZopeFind(self,obj_metatypes=['DTML Document','File'])
  224: 	for page in pagestmp:
  225: 		if not (page[1].getId()[0]=="."):
  226: 			pages.append(page)
  227: 			
  228:         pages.sort(sortFind)
  229:         #print str(pages[int(pagenum)][1]())
  230:         if pages[int(pagenum)-1][1].meta_type=='File':
  231: 		
  232: 		#return makeXML(str(pages[int(pagenum)-1][1]))
  233: 		#txt=pages[int(pagenum)-1][1].data.decode('utf-8')
  234: 		txt=pages[int(pagenum)-1][1].data
  235: 		#print txt.encode('utf-8')
  236: 		
  237: 		return self.xml2html(makeXML(txt),quote="no")
  238:         else:
  239: 		
  240: 		
  241: 
  242: 		return self.xml2html(makeXML(pages[int(pagenum)-1][1]()),quote="no")
  243:         
  244:     def nextPage(self,pagenum,url):
  245:         pages=len(self.ZopeFind(self,obj_metatypes=['DTML Document','File'])) # teste ob performance ok, sonst in variable
  246:         if int(pagenum)+1 <= pages:
  247:             retstr=url+"?p="+str(int(pagenum)+1)
  248:             return """<td align="right" <a href="%s">next</a></td>"""%retstr
  249:         
  250:     def previousPage(self,pagenum,url):
  251:         
  252:         if int(pagenum)-1 > 0:
  253:             retstr=url+"?p="+str(int(pagenum)-1)
  254:             return """<td align="left" <a href="%s">previous</a></td>"""%retstr
  255:         
  256:     def nextURL(self,pagenum,url):
  257:         pages=len(self.ZopeFind(self,obj_metatypes=['DTML Document','File'])) # teste ob performance ok, sonst in variable
  258:         if int(pagenum)+1 <= pages:
  259:             retstr=url+"?p="+str(int(pagenum)+1)
  260:             return retstr
  261:         
  262:     def previousURL(self,pagenum,url):
  263:         
  264:         if int(pagenum)-1 > 0:
  265:             retstr=url+"?p="+str(int(pagenum)-1)
  266:             return retstr
  267:         
  268:         
  269: def manage_addVLP_essayForm(self):
  270:     """Form for adding"""
  271:     pt=PageTemplateFile(os.path.join(package_home(globals()),'vlp','AddVLP_essay.zpt')).__of__(self)
  272:     return pt()
  273: 
  274: def manage_addVLP_essay(self, id,title,label,RESPONSE=None):
  275: 	"""add the copyright"""
  276: 
  277: 	
  278: 	self._setObject(id, VLP_essay(id, title,label))
  279: 
  280: 	if RESPONSE is not None:
  281: 		RESPONSE.redirect('manage_main')
  282: 	
  283: 
  284: class VLP_encyclopaedia(VLP_essay):
  285: 	"""essay"""
  286: 
  287: 	meta_type="VLP_encyclopaedia"
  288: 	
  289: 	manage_options = VLP_essay.manage_options+(
  290: 		{'label':'Load File','action':'loadNewFileForm'},
  291: 		)
  292: 
  293: 	
  294: 	def loadNewFileForm(self):
  295: 		"""Neues XML-File einlesen"""
  296: 		pt=PageTemplateFile(os.path.join(package_home(globals()),'vlp','VLP_newfile.zpt')).__of__(self)
  297: 		return pt()
  298: 
  299: 	def loadNewFile(self,RESPONSE=None):
  300: 		"""einlesen des neuen files"""
  301: 		fileupload=self.REQUEST['fileupload']
  302: 		if fileupload:
  303: 			file_name=fileupload.filename
  304: 			filedata=fileupload.read()
  305: 
  306: 			argv=vlp_xmlhelpers.proj2hash(self,filedata)
  307: 			textsStr=string.join(argv['text']).encode('utf-8')
  308: 			
  309: 			texts=textsStr.split("<pb/>")
  310: 			
  311: 			i=0
  312: 			for text in texts:
  313: 				i+=1
  314: 				pageName='page%03d.xml'%i
  315: 				pages=self.ZopeFind(self,obj_ids=[pageName])
  316: 				if pages:
  317: 					pages[0][1].update_data(text)
  318: 
  319: 				else:
  320: 					zt=File(pageName,pageName,text,content_type="text/plain")
  321: 					self._setObject(pageName,zt)
  322: 				
  323: 		if RESPONSE is not None:
  324: 			RESPONSE.redirect('manage_main')
  325: 			
  326: 	
  327: def manage_addVLP_encycForm(self):
  328:     """Form for adding"""
  329:     pt=PageTemplateFile(os.path.join(package_home(globals()),'vlp','AddVLP_encyc.zpt')).__of__(self)
  330:     return pt()
  331: 
  332: def manage_addVLP_encyc(self, id,title,label,RESPONSE=None):
  333: 	"""add the copyright"""
  334: 
  335: 	
  336: 	self._setObject(id, VLP_encyclopaedia(id, title,label))
  337: 
  338: 	if RESPONSE is not None:
  339: 		RESPONSE.redirect('manage_main')
  340: 	
  341: 
  342: class VLP_collection(ECHO_collection):
  343:     """VLP spezifische Erweiterung der Collection"""
  344: 
  345:     meta_type="VLP_collection"
  346:     manage_options=ECHO_collection.manage_options+(
  347:         {'label':'Change Path','action':'VLP_path_configForm'},
  348:         {'label':'Update Library','action':'updateCollection'},
  349:         {'label':'Update Metadata','action':'updateCollectionMD'},
  350:         )
  351: 
  352:     def VLP_path_configForm(self):
  353:         """change pt"""
  354:         path=PageTemplateFile(os.path.join(package_home(globals()),'vlp','ChangeVLPPath.zpt')).__of__(self)
  355:         return pt()
  356: 
  357:     def VLP_path_config(self,path,RESPONSE=None):
  358:         """config"""
  359:         self.path=path
  360:         if RESPONSE is not None:
  361:             RESPONSE.redirect('manage_main')
  362: 
  363:     def updateCollection(self,RESPONSE=None):
  364:         """liest verzeichnisse aus dem pfad und legt sie dann als objekte in den ordner"""
  365:         files=os.listdir(self.path)
  366:         for fileName in files:
  367:             
  368:             if fileName[0:3]=="lit":
  369:                 
  370:                 metalink=self.REQUEST['URL1']+"/"+fileName+"/index_meta"
  371: 		if not hasattr(self,fileName):
  372: 			newObj=VLP_resource(fileName,'',metalink,fileName,fileName,fileName,'generated','book','','','','','','')
  373: 			self._setObject(fileName,newObj)
  374:                 
  375:                 genObj=getattr(self,fileName)
  376:                 genObj.createIndexFile()
  377: 
  378:                 
  379:                 
  380:         if RESPONSE is not None:
  381:             RESPONSE.redirect('manage_main')
  382: 
  383:     def updateCollectionMD(self,RESPONSE=None):
  384:         """updateMD"""
  385:         files=os.listdir(self.path)
  386:         for fileName in files:
  387:             if fileName[0:3]=="lit":
  388:                 genObj=getattr(self,fileName)
  389:                 genObj.copyIndex_meta2echo_resource()
  390:                 genObj.generate_title()
  391: 
  392:         if RESPONSE is not None:
  393:             RESPONSE.redirect('manage_main')
  394: 
  395:     def copyFullTextsFromDB(self,RESPONSE=None):
  396: 	    """copy fulltext aus DB"""
  397: 
  398: 	    ress=self.ZopeFind(self,obj_metatypes=['VLP_resource'])
  399: 	    ret=""
  400: 	    for res in ress:
  401: 		    tmp=res[1].copyTranscriptionFromDB()
  402: 		    ret+=tmp
  403: 
  404: 		    if RESPONSE:
  405: 			    RESPONSE.write(tmp+"\n")
  406: 	    if not RESPONSE:		    
  407: 		    return ret
  408: 	    else:
  409: 		    RESPONSE.write("END\n")
  410: 		    
  411: 	    
  412: def manage_addVLP_collectionForm(self):
  413:         """Form for adding a ressource"""
  414:         pt=PageTemplateFile(os.path.join(package_home(globals()),'vlp','AddVLP_collectionForm.zpt')).__of__(self)
  415:         return pt()
  416: 
  417: 
  418: 
  419: def manage_addVLP_collection(self,id,title,label,description,contentType,responsible,weight,sortfield,path,coords="",secondaryLinkTitle="",secondaryLink="",credits=None,RESPONSE=None,imageTag="",bgcolour=""):
  420:     """add a echo collection"""
  421:     
  422: 
  423:     newObj=VLP_collection(id,title,label,description,contentType,responsible,credits,weight,sortfield,coords,secondaryLinkTitle=secondaryLinkTitle,secondaryLink=secondaryLink,imageTag=imageTag,bgcolour="")
  424: 
  425:     self._setObject(id,newObj)
  426:     setattr(newObj,'path',path)
  427: 
  428:     if RESPONSE is not None:
  429:         RESPONSE.redirect('manage_main')
  430: 
  431: 
  432: 
  433: class VLP_resource(ECHO_resource,Cacheable):
  434:     """VLP spezifische Erweiterung"""
  435: 
  436:     meta_type="VLP_resource"
  437: 
  438:     vlp_basis="/mpiwg/online/permanent/vlp"
  439: 
  440:     
  441:     referencetypes=[]
  442: 
  443:     manage_options=ECHO_resource.manage_options+Cacheable.manage_options+(
  444:         {'label':'Update Index','action':'createIndexFile'},
  445:         {'label':'Reset MetaLink','action':'resetMetaLink'},
  446:         {'label':'Generate Title','action':'generate_title'},
  447: 	{'label':'Generate Library Template','action':'generateLibraryTemplateHTML'},
  448:         )
  449: 
  450:     
  451:     def transcription(self):
  452: 	    """show the rendered transcriptiofile"""
  453: 	    
  454: 	    if hasattr(self,'libraryTranscriptionTemplate.html'):
  455: 			return getattr(self,'libraryTranscriptionTemplate.html')()
  456: 
  457: 	    pt=PageTemplateFile(os.path.join(package_home(globals()),'vlp','library_transcriptionTemplate.zpt')).__of__(self)
  458: 	    pt.content_type="text/html"
  459: 	    return pt()
  460: 
  461: 
  462: 
  463:     def copyTranscriptionFromDB(self):
  464: 	    """checks if transcription exits in DB"""
  465: 	    founds=self.search(var='select * from vl_transcript where source=\''+self.resourceID+'\' order by id')
  466: 
  467: 	    
  468: 	    ret="""<?xml version="1.0" encoding="utf-8"?>
  469:                <text>"""
  470:         
  471: 	    if founds:
  472: 		    
  473: 		    for found in founds:
  474: 			    text=found.transcript
  475: 			    if not text: text=""
  476: 			    ret+="<page><pb/>"+text+"</page>"
  477: 
  478: 		    ret+="</text>"
  479: 		    re2=ret[0:]
  480: 		    re3=re2.decode('latin-1')
  481: 		    
  482: 		    ft=self.ZopeFind(self,obj_metatypes=['ECHO_fullText'])
  483: 		    
  484: 		    if ft:
  485: 			
  486: 			    ft[0][1].pt_edit(re3.encode('utf-8','ignore'),'text/xml')
  487: 			
  488: 		    else:
  489: 			    self._setObject('fulltext',ECHO_fullText(id,re3))
  490: 			
  491: 		    return "FT: %s"%self.getId()
  492: 	    else:
  493: 		    return "no: %s"%self.getId()
  494: 	    
  495:     def resetMetaLink(self,all="no",RESPONSE=None):
  496:         """resets metalink to standard resp. in case of server change it sets to the new server url"""
  497:         if all=="yes":
  498:             self.metalink=self.absolute_url()+"/index_meta"
  499:         else:
  500:             splitted=self.metalink.split("/")
  501:             if (len(splitted)>1) and (splitted[len(splitted)-1]=="index_meta") and (splitted[len(splitted)-2]==self.getId()): # heuristic nur generische Metadatafiles andern
  502:                 self.metalink=self.absolute_url()+"/index_meta"
  503: 
  504:         if RESPONSE:
  505:             return "done"
  506:             
  507:     def show(self):
  508:         """show the rendered file"""
  509: 
  510:         if self.REQUEST.get('p',None):
  511:             #self.REQUEST.set('pn',self.file2page(self.REQUEST.get('p',None)))
  512: 	    self.REQUEST.RESPONSE.redirect(self.REQUEST['URL']+"?pn="+self.file2page(self.REQUEST.get('p',None)))
  513: 
  514:            
  515: 	if hasattr(self,'libraryTemplate.html'):
  516: 		return getattr(self,'libraryTemplate.html')()
  517: 	
  518:         pt=PageTemplateFile(os.path.join(package_home(globals()),'vlp','library_template.zpt')).__of__(self)
  519:         pt.content_type="text/html"
  520:         return pt()
  521:     
  522:     index_html=show
  523: 
  524:     def generateLibraryTemplateHTML(self,RESPONSE=None):
  525:         """lege standard index.html an"""
  526: 
  527: 	if not hasattr(self,'libraryTemplate.html'):
  528:             zt=ZopePageTemplate('libraryTemplate.html')
  529:             self._setObject('libraryTemplate.html',zt)
  530:             default_content_fn = os.path.join(package_home(globals()),
  531:                                                'vlp/library_template.zpt')
  532:             text = open(default_content_fn).read()
  533:             zt.pt_edit(text, 'text/html')
  534: 
  535:         else:
  536:             return "already exists!"
  537:         
  538:         if RESPONSE is not None:
  539:             RESPONSE.redirect('manage_main')
  540: 
  541: 
  542:     def index_meta(self):
  543:         """index_meta"""
  544:         
  545:         pt=PageTemplateFile(os.path.join(package_home(globals()),'vlp','index_meta.zpt')).__of__(self)
  546:         pt.content_type="text/html"
  547:         return pt()
  548: 
  549:     def file2page(self,p):
  550:         """converts filename to pagenumber"""
  551:         dom=xml.dom.minidom.parse(ECHO_helpers.urlopen(getattr(self,'index.xml').absolute_url()))
  552:         
  553:         for page in dom.getElementsByTagName('page'):
  554: 		 # pageummer mit lo oder hi sind aequivalent
  555: 		 if (page.getAttribute('file')==p) or ("%slo"%page.getAttribute('file')==p) or ("%shi"%page.getAttribute('file')==p):
  556: 			 return page.getAttribute('nr')
  557:             
  558:         return 0
  559:     
  560:     def dir2index(self):
  561:         """dir to index"""
  562: 
  563:         def calculateName(str):
  564: 	    name=os.path.splitext(str[1:])[0]
  565:             ret="%s: %s"%(str[0],name)
  566:             return ret
  567: 
  568:         try:
  569:             ret=os.listdir(os.path.join(self.vlp_basis,self.resourceID,'pageimg'))
  570:             self.imagePath='pageimg'
  571:         except:
  572:             ret=os.listdir(os.path.join(self.vlp_basis,self.resourceID,'pagesHi'))
  573:             self.imagePath='pagesHi'
  574:         temp=[]
  575: 	ret.sort()
  576:         for x in ret:
  577:             if not (x[0]=="."):
  578:                 
  579:                 temp.append((calculateName(x),os.path.splitext(x)[0]))
  580:         return temp
  581: 
  582:     
  583:     def firstPage(self,url=None):
  584:         """showlink to the first image"""
  585:         if self.REQUEST.get('pn','1')=="1": #erste seinte dann kein a tag
  586:             return """<img src="../../images/first.gif" alt="first" width="14" height="14" border="0"><br>first"""
  587: 
  588:         else:
  589: 		ws=self.REQUEST.get('ws','1')
  590: 		return """<a href=%s>
  591:                          <img src="../../images/first.gif" alt="first" width="14" height="14" border="0"><br>first
  592:                          </a>
  593:                          """%(self.REQUEST['URL']+"?pn=1&ws=%s"%ws)
  594: 
  595:     def lastPage(self,url=None):
  596:         """showlink to the first image"""
  597:         pages=self.readIndexFile(url)
  598:         if pages:
  599:             ln=len(pages)
  600:         
  601:         if (self.REQUEST.get('pn')==str(ln)) or (ln==1): #letzte seite dann kein a tag oder nur eine Seite
  602:             return """<img src="../../images/last.gif" alt="last" width="14" height="14" border="0"><br>last"""
  603: 
  604:         else:
  605: 		ws=self.REQUEST.get('ws','1')
  606: 		return """<a href=%s>
  607: 		         <img src="../../images/last.gif" alt="last" width="14" height="14" border="0"><br>last
  608:                          </a>
  609:                          """%(self.REQUEST['URL']+"?pn="+str(ln)+"&ws="+ws)
  610:             
  611:     def prevPage(self,url=None):
  612:         """showlink to the first image"""
  613:         
  614: 
  615:         nn = int(self.REQUEST.get('pn','1'))-1
  616:         if nn < 1: #letzte  seite dann kein a tag
  617:             return """<img src="../../images/lisePrev.gif" alt="prev" width="14" height="14" border="0"><br>prev"""
  618: 
  619:         else:
  620: 		ws=self.REQUEST.get('ws','1')
  621: 		return """<a href=%s>
  622:                          <img src="../../images/lisePrev.gif" alt="prev" width="14" height="14" border="0"><br>prev
  623:                          </a>
  624:                          """%(self.REQUEST['URL']+"?pn="+str(nn)+"&ws="+ws)
  625: 
  626:     def nextPage(self,url=None):
  627:         """showlink to the first image"""
  628:         pages=self.readIndexFile(url)
  629:         if pages:
  630:             ln=len(pages)
  631: 
  632:         nn = int(self.REQUEST.get('pn','1'))+1
  633:         if (nn>int(ln)) or (ln==1): #letzte  seite dann kein a tag
  634:             return """<img src="../../images/liseNext.gif" alt="next" width="14" height="14" border="0"><br>next"""
  635: 
  636:         else:
  637: 		ws=self.REQUEST.get('ws','1')
  638: 		return """<a href=%s>
  639:                          <img src="../../images/liseNext.gif" alt="next" width="14" height="14" border="0"><br>next
  640:                          </a>
  641:                          """%(self.REQUEST['URL']+"?pn="+str(nn)+"&ws="+ws)
  642:         
  643:     
  644:     def readIndexFile(self,url=None):
  645:         """reads the indexfile. presently url not None isn't implemented. In the future url can be defined."""
  646: 	if not url:
  647:             url=self.absolute_url()+"/index.xml"
  648: 
  649: 	if self.ZCacheable_isCachingEnabled():
  650:             
  651:             result = self.ZCacheable_get(view_name=url)
  652:             if result is not None:
  653:                 # Got a cached value.
  654:                 return result
  655: 
  656:         pagelist=[]
  657:    
  658:         fh=ECHO_helpers.urlopen(url)
  659:         dom=xml.dom.minidom.parse(fh)
  660:         
  661:         
  662:         for page in dom.getElementsByTagName('page'):
  663:             text=getText(page.childNodes)
  664:             pageNum=page.getAttribute('nr')
  665: 	    fileName=page.getAttribute('file')
  666:             pagelist.append((pageNum,text,fileName))
  667: 
  668: 	self.ZCacheable_set(pagelist,view_name=url)
  669:         return pagelist 
  670: 
  671:     def getFileName(self):
  672: 	   """getNameOfCurrentFile"""
  673: 	   try:
  674: 	    pn=int(self.REQUEST.get('pn','1'))
  675: 	   except:
  676: 	    pn=1
  677: 	   pageinfo=self.readIndexFile()[pn-1]
  678: 	   return pageinfo[2]
  679:    
  680:     def createIndexFile(self,RESPONSE=None):
  681:         """create index file"""
  682: 
  683:         
  684:         pt=PageTemplateFile(os.path.join(package_home(globals()),'vlp','index_template.zpt')).__of__(self)()
  685: 
  686: 
  687:         
  688:         if not hasattr(self,'index.xml'):
  689:             zt=ZopePageTemplate('index.xml')
  690:             self._setObject('index.xml',zt)
  691:         else:
  692:             zt=getattr(self,'index.xml')
  693:             
  694:             
  695:         zt.pt_edit(pt, 'text/xml')
  696: 
  697:         if RESPONSE is not None:
  698:             RESPONSE.redirect('manage_main')
  699: 
  700:         
  701: def manage_addVLP_resourceForm(self):
  702:         """Form for adding a ressource"""
  703:         pt=PageTemplateFile(os.path.join(package_home(globals()),'vlp','AddVLP_resourceForm.zpt')).__of__(self)
  704:         return pt()
  705: 
  706: 
  707: 
  708: def manage_addVLP_resource(self,id,title,label,description,responsible,link,metalink,weight,resourceID=None,contentType=None,renderingType=None,credits=None,coords=None,RESPONSE=None):
  709:     """addaresource"""
  710: 
  711:     
  712:     if metalink=='':
  713:         metalink=self.absolute_url()+"/"+id+"/index_meta"
  714:             
  715:     newObj=VLP_resource(id,link,metalink,resourceID,title,label,description,contentType,renderingType,responsible,credits,weight,coords)
  716: 
  717:     self._setObject(id,newObj)
  718: 
  719:     if RESPONSE is not None:
  720:         RESPONSE.redirect('manage_main')
  721:  

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