File:  [Repository] / ECHO_content / ECHO_helpers.py
Revision 1.58: download - view: text, annotated - select for diffs - revision graph
Wed Jul 20 11:49:05 2005 UTC (18 years, 10 months ago) by dwinter
Branches: MAIN
CVS tags: HEAD
minor

    1: import re
    2: import string
    3: import socket
    4: import urllib
    5: import string
    6: import xml.dom.minidom
    7: import types
    8: from Products.PageTemplates.PageTemplateFile import PageTemplateFile
    9: from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
   10: from OFS.SimpleItem import SimpleItem
   11: from Globals import package_home
   12: import Globals
   13: from AccessControl import ClassSecurityInfo
   14: import os.path
   15: from OFS.Folder import Folder
   16: import ECHO_collection
   17: 
   18: displayTypes = ['ZSQLExtendFolder','ZSQLBibliography','ECHO_group','ECHO_collection','ECHO_resource','ECHO_link','ECHO_sqlElement','ECHO_pageTemplate','ECHO_externalLink','ImageCollectionIFrame','VLP_resource','VLP_essay','ECHO_ZCatalogElement','ImageCollection','versionedFileFolder','ECHO_movie']
   19: 
   20: def content_html(self,type):
   21:         """template fuer content"""
   22:         #templates = self.ZopeFind(self.aq_parent,obj_ids=[type+"_template"])
   23:         #
   24:         #if templates:
   25:         #    return templates[0][1]()
   26: 
   27:         if hasattr(self,type+"_template"):
   28:             obj=getattr(self,type+"_template")
   29:             return obj()
   30:         else:
   31: 	    pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','ECHO_%s_template_standard.zpt'%type)).__of__(self)
   32:             pt.content_type="text/html"
   33:             return pt()
   34:     
   35:     
   36: 
   37: class ECHO_basis:
   38:     """basis eigenschaften fuer echo objekte"""
   39:     security=ClassSecurityInfo()
   40:     security.declarePublic('getImageTag')
   41: 
   42:     def manage_addECHO_locale(self,lang,title,label,text=None,content_type=None,RESPONSE=None):
   43: 	    return ECHO_collection.manage_addECHO_locale(self,lang,title,label)
   44: 	    
   45:     def getImageTag(self):
   46: 	    """sollte uerberschrieben werden, falls von der Klasse eine imagetag zurueckkommt"""
   47: 	    
   48: 	    return ""
   49:     
   50:     def showRDF(self):
   51: 	    """showrdf"""
   52:             self.REQUEST.RESPONSE.setHeader('Content-Type','text/xml')
   53: 	    ret="""<?xml version="1.0" encoding="utf-8"?>\n<RDF:RDF xmlns:RDF="http://www.w3.org/1999/02/22-rdf-syntax-ns#"  xmlns:ECHONAVIGATION="http://www.echo.eu/rdf#">\n"""
   54: 
   55: 	    ret+=self.getRDF(urn="echo:collectionroot")+"\n"
   56: 
   57: 
   58: 	    ret+="""</RDF:RDF>"""
   59:     	    return ret 
   60: 
   61:   
   62:     def RDF(self):
   63: 	    """showrdf"""
   64:             self.REQUEST.RESPONSE.setHeader('Content-Type','text/xml')
   65: 	    ret="""<?xml version="1.0" encoding="utf-8"?>\n<RDF:RDF xmlns:RDF="http://www.w3.org/1999/02/22-rdf-syntax-ns#"  xmlns:ECHONAVIGATION="http://www.echo.eu/rdf#">\n"""
   66: 
   67: 	    ret+=self.getRDF(urn=self.absolute_url())+"\n"
   68: 
   69: 
   70: 	    ret+="""</RDF:RDF>"""
   71:     	    return ret 
   72: 
   73:   
   74:     def createSubElementRDF(self,urn=None):
   75: 	    """rdf list"""
   76: 	    if not urn:
   77: 		    urn=self.absolute_url()
   78: 	    ret=""
   79: 
   80: 	    rettemp="""<RDF:Seq RDF:about="%s">\n"""%urn
   81: 	    flag=0
   82: 	    
   83: 	    li="""<RDF:li RDF:resource="%s" />\n"""
   84: 	    if not ('<error>' in self.getFullTextXML(noredirect='Yes')):
   85: 		    nurn=self.absolute_url()+'/getFullTextXML'
   86: 		    rettemp+=li%nurn
   87: 		    flag=1
   88: 	    if not ('<error>' in self.getImageView(noredirect='Yes')):
   89: 		    nurn=self.absolute_url()+'/getImageView'
   90: 		    rettemp+=li%nurn
   91: 		    flag=1
   92: 
   93: 
   94: 	    if not ('<error>' in self.showMetaDataXML()):
   95: 		    nurn=self.absolute_url()+'/showMetaDataXML'
   96: 		    rettemp+=li%nurn
   97: 		    flag=1
   98: 		    
   99: 	    rettemp+="</RDF:Seq>"
  100: 
  101: 	    if flag==1:
  102: 		    ret+=rettemp
  103: 		    
  104: 	    if not ('<error>' in self.getFullTextXML(noredirect='Yes')):
  105:                     nurn=self.absolute_url()+'/getFullTextXML'	
  106: 		    ret+=getRDFDescription(self,self.absolute_url()+'/getFullTextXML',urn=nurn,nameDef="Fulltext",typeName="ECHO_fulltext")
  107: 
  108: 	    if not ('<error>' in self.getImageView(noredirect='Yes')):
  109:                     nurn=self.absolute_url()+'/getImageView'
  110: 		    ret+=getRDFDescription(self,self.absolute_url()+'/getImageView',urn=nurn,nameDef="Image View",typeName="ECHO_imageview")
  111: 		    
  112: 	    if not ('<error>' in self.showMetaDataXML()):
  113:                     nurn=self.absolute_url()+'/showMetaDataXML'
  114: 		    ret+=getRDFDescription(self,self.absolute_url()+'/showMetaDataXML',urn=nurn,nameDef="Metadata",typeName="ECHO_metaData")
  115: 
  116: 	    return ret
  117: 	    
  118:     def content_html(self,type="collection"):
  119: 	    """template fuer content bei einbau und ECHO_Umgebung"""
  120: 	    
  121: 	    return content_html(self,type)
  122:         
  123:     def getTitle(self):
  124: 	"""title"""
  125: 	lang=self.getLanguage()
  126: 	locale=None
  127: 	if lang and not (lang =="de"):
  128: 		locale=self.ZopeFind(self,obj_ids=["locale_"+lang])
  129: 
  130: 	if locale:
  131: 		return self.decode(locale[0][1].title)
  132: 	else:
  133: 		return self.decode(self.title)
  134: 
  135: 
  136: 	try:
  137: 		return self.title.encode('utf-8','ignore') 
  138: 	except:
  139: 		self.title=self.title.decode('iso-8859-1','ignore')[0:] #correnct conding error
  140: 		return self.title.encode('utf-8','ignore') 
  141: 	
  142:     def getLabel(self):
  143: 	"""title"""
  144: 	lang=self.getLanguage()
  145: 	locale=None
  146: 	if lang and not (lang=="de"):
  147: 		locale=self.ZopeFind(self,obj_ids=["locale_"+lang])
  148: 
  149: 	if locale:
  150: 		return self.decode(locale[0][1].label)
  151: 	
  152: 
  153: 	if not hasattr(self,'label'):
  154: 		self.label=""
  155: 		
  156: 	if self.label=="":
  157: 		ret=self.getTitle()
  158: 		if ret=="":
  159: 			ret=self.getId()
  160: 		return ret
  161: 	
  162: 	return self.decode(self.label)
  163: 	try:
  164: 		return self.label.encode('utf-8','ignore') 
  165: 	except:
  166: 		self.label=self.label.decode('iso-8859-1','ignore')[0:] #correnct conding error
  167: 		return self.label.encode('utf-8','ignore') 
  168: 	
  169:     
  170:     def changeECHOEntriesForm(self):
  171:         """change Entries for the ECHO Navigation environment"""
  172:         pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','changeECHOEntriesForm')).__of__(self)
  173:         return pt()
  174:     
  175:     def changeECHOEntries(self,label,weight,description,queryString,RESPONSE=None):
  176:         """change Entries for the ECHO Navigation environment
  177:         @param label: label fuer die Navigation"""
  178:         self.label=label
  179:         self.weight=weight
  180:         self.description=description
  181: 	self.queryString=queryString
  182:         
  183:         if RESPONSE:
  184:             RESPONSE.redirect("manage_main")
  185: 
  186:     manage_options=({'label':'change ECHO Navigation Entries','action':'changeECHOEntriesForm'},)
  187: 
  188: 
  189:     def hasOverview(self):
  190:         """returns if there is an overview graphics"""
  191: 	return hasattr(self, 'overview')
  192: 
  193:     def hasParentOverview(self):
  194:         """returns if the parent has an overview graphics"""
  195: 	return hasattr(self.aq_parent, 'overview')
  196: 
  197:     def getOverview(self):
  198:         """map overview graphics"""
  199:         #return self.aq_parent.ZopeFind(self.aq_parent,obj_ids=['overview'])[0][1]
  200: 	if self.hasOverview():
  201: 	    return getattr(self, 'overview')
  202: 	return None
  203: 
  204:     def getMapAreas(self):
  205:         """returns the list of MapAreas"""
  206: 	forcetypes = self.REQUEST.get('map_force_types', None)
  207: 	if forcetypes:
  208: 	    typelist = forcetypes.split(',')
  209: 	else:
  210: 	    typelist = None
  211: 	areas = []
  212: 	# get all contained MapAreas
  213:         for res in self.ZopeFind(self, obj_metatypes=('MapArea')):
  214: 	    area = res[1]
  215: 	    # check the allowed types
  216: 	    if typelist is not None and area.getType() not in typelist:
  217: 		continue
  218: 	    areas.append(area)
  219: 	return areas
  220: 
  221:     def addMapArea(self, newarea):
  222: 	"""add a map area to this object"""
  223: 	if (newarea.id is None):
  224: 	    # create new id
  225: 	    ids = [a.id for a in self.getMapAreas()]
  226: 	    i = len(ids)
  227: 	    while ("a%02d"%i in ids):
  228: 		# if it exists, try the next one
  229: 		i += 1
  230: 	    newarea.id = "a%02d"%i
  231: 	self._setObject(newarea.id, newarea)
  232: 
  233:     def getMapText(self):
  234:         """returns the MapText"""
  235: 	# get (the first) contained MapText
  236: 	#lang="en"
  237: 	lang=self.getLanguage()
  238: 	res=None
  239: 	if lang and not (lang=="de"):
  240: 		resTmp = self.ZopeFind(self, obj_metatypes=('ECHO_mapText'))
  241: 		res = self.ZopeFind(resTmp[0][1])
  242: 
  243: 	if not res:
  244: 		res = self.ZopeFind(self, obj_metatypes=('ECHO_mapText'))
  245: 	if len(res) > 0:
  246: 	    text = res[0][1]
  247: 	    return text
  248: 	return None
  249: 
  250:     def ECHO_graphicEntry(self):
  251:         """change map coordinates"""
  252:         if self.hasParentOverview():
  253:             pt=zptFile(self, 'zpt/ECHO_draw.zpt')
  254:             return pt()
  255:         else:
  256:             return "NO OVERVIEW GRAPHICS"
  257: 
  258:     def ECHO_addCoords(self,RESPONSE=None):
  259:         """change or add MapArea"""
  260: 	#return self.REQUEST
  261: 	# change existing areas
  262: 	for area in self.getMapAreas():
  263: 	    id = area.getId()
  264: 	    if self.REQUEST.has_key('del.'+id):
  265: 		# delete this area
  266: 		self._delObject(id)
  267: 		# return to same menu
  268: 		if RESPONSE is not None:
  269: 		    RESPONSE.redirect('ECHO_graphicEntry')
  270: 		return
  271: 	    # modify this area
  272: 	    coordstring = self.REQUEST.get('coords.'+id, '')
  273: 	    coords = string.split(coordstring, ',')
  274: 	    angle = self.REQUEST.get('angle.'+id, '0')
  275: 	    type = self.REQUEST.get('type.'+id, 'area')
  276: 	    permanent = self.REQUEST.get('permanent.'+id, '')
  277: 	    if len(coords) == 4:
  278: 		area.setCoordString(coordstring)
  279: 		area.setAngle(angle)
  280: 		area.setType(type)
  281: 		area.setPermanent(permanent)
  282: 	# add the "new" area
  283: 	if self.REQUEST.has_key('add'):
  284: 	    coordstring = self.REQUEST.get('coords.new', '')
  285: 	    coords = string.split(coordstring, ',')
  286: 	    angle = self.REQUEST.get('angle.new', '0')
  287: 	    type = self.REQUEST.get('type.new', 'area')
  288: 	    permanent = self.REQUEST.get('permanent.new', '')
  289: 	    if len(coords) == 4:
  290: 		coords.append(angle)
  291: 		area = MapArea(None, coords, type=type, permanent=permanent)
  292: 		self.addMapArea(area)
  293: 	# return to edit area menu
  294: 	if RESPONSE is not None:
  295: 	    RESPONSE.redirect('ECHO_graphicEntry')
  296: 
  297:     def createJSAreas(self, areas):
  298:         """create area calls for JavaScript"""
  299: 	forceperm = self.REQUEST.get('map_force_permanent', None)
  300:         js="\n"
  301:         for ob in areas:
  302: 	    # check for force-permanent
  303: 	    if forceperm is not None:
  304: 		perm = forceperm
  305: 	    else:
  306: 		perm = ob.isPermanent()
  307: 	    js+="""addArea('%s', 'overview', %s, '%s', '%s');\n"""%(ob.getFullId(),ob.getCoordString(),ob.getType(),perm)
  308:         return js
  309: 
  310:     def createMapHead(self):
  311:         """create javascript include and script tags for head"""
  312:         pt=zptFile(self, 'zpt/ECHO_content_map_frag_js')
  313:         return pt()
  314: 
  315:     def createMapImg(self):
  316: 	"""generate img-tag for map"""
  317: 	bt = BrowserCheck(self)
  318: 	tag = ""
  319: 	src = self.getOverview().absolute_url()
  320: 	if bt.isN4:
  321: 	    # N4 needs ilayer to create an id
  322: 	    tag += '<ilayer id="overview" visibility="show"><img src="%s"></ilayer>'%src
  323: 	else:
  324: 	    # img with id
  325: 	    tag += '<img id="overview" src="%s" />'%src
  326: 	return tag
  327:         
  328:     def createParentMapImg(self):
  329: 	"""generate img-tag for map of parent"""
  330: 	return self.aq_parent.createMapImg()
  331: 
  332:     def createMapLink(self, ob, text=None, target="_blank"):
  333: 	"""generate map link"""
  334: 	bt = BrowserCheck(self)
  335: 	id = ob.getFullId()
  336: 	link = ob.getLinkId()
  337: 	if text is None:
  338: 	    text = ob.getLabel()
  339: 	if text is None:
  340: 	    text = "link"
  341: 	tiptext = ob.getTip()
  342: 	tag = ""
  343: 	if bt.isN4:
  344: 	    # N4 needs layer for highlighting
  345: 	    tag += '<ilayer id="a.%s"><a class="maplink" onmouseover="highlightPair(\'%s\', true)" onmouseout="highlightPair(\'%s\', false)" href="%s" target="%s"'%(id,id,id,link,target)
  346: 	    tag += ">" + text + "</a></ilayer>"
  347: 	else:
  348: 	    # a-element
  349: 	    tag = '<a id="a.%s" class="maplink" onmouseover="highlightPair(\'%s\', true)" onmouseout="highlightPair(\'%s\', false)" href="%s" target="%s"'%(id,id,id,link,target)
  350: 	    if tiptext:
  351: 		tag += ' title="%s"'%tiptext
  352: 	    tag += ">" + text + "</a>"
  353: 	return tag
  354: 
  355:     def createMapAux(self, ob, arrowsrc="http://nausikaa2.rz-berlin.mpg.de/digitallibrary/servlet/Scaler/?dw=15&fn=icons/pfeil", circlesrc="http://nausikaa2.rz-berlin.mpg.de/digitallibrary/servlet/Scaler/?dw=15&fn=icons/kreis", target="_blank"):
  356: 	"""generate map link image, text and other stuff"""
  357: 	bt = BrowserCheck(self)
  358: 	id = ob.getFullId()
  359: 	link = ob.getLinkId()
  360: 	tiptext = ob.getTip()
  361: 	tag = ""
  362: 
  363: 	if bt.isN4:
  364: 	    #
  365: 	    # N4 needs layer and img elements
  366: 	    #
  367: 	    tag += '<layer id="i.%s" onmouseover="highlightPair(\'%s\', true)" onmouseout="highlightPair(\'%s\', false)">'%(id,id,id)
  368: 	    if ob.isTypeArrow():
  369: 		# N4 - Arrow
  370: 	        rot = ob.angle
  371: 		marksrc = arrowsrc
  372: 		if float(rot) < 0:
  373: 		    marksrc = circlesrc
  374: 		tag += '<a href="%s"><img border="0" src="%s&rot=%s" /></a>'%(link,marksrc,rot)
  375: 	    elif ob.isTypeText():
  376: 		# N4 - Text
  377: 		tag += '<div id="t.%s" class="maptext"'%(id)
  378: 		tag += 'style="visibility:hidden">'
  379: 		tag += ob.getText()
  380: 		tag += '</div>'
  381: 	    else:
  382: 		# N4 - Area
  383: 		tag += '<a href="%s"><img border="0" width="1000" height="1000" src="trans_img"'%(link)
  384: 		if tiptext:
  385: 		    tag += ' alt="%s"'%tiptext
  386: 		tag += ' /></a>'
  387: 	    tag += '</layer>'
  388: 	else:
  389: 	    #
  390: 	    # (more or less) DOM capable browser
  391: 	    #
  392: 	    tag = '<a id="b.%s" class="mapmarklink" onmouseover="highlightPair(\'%s\', true)" onmouseout="highlightPair(\'%s\', false)" href="%s" target="%s">'%(id,id,id,link,target)
  393: 	    if ob.isTypeArrow():
  394: 		# DOM - Arrow
  395: 		rot = ob.angle
  396: 		marksrc = arrowsrc
  397: 		try:
  398: 		   rot=float(rot)
  399: 		except:
  400: 		   rot=0
  401: 
  402: 		if float(rot) < 0:
  403: 		    marksrc = circlesrc
  404: 		if bt.isIEWin and bt.versIE > 5:
  405: 		    # IE/Win 5.5 has "feature" for PNG transparency
  406: 		    tag += '<span id="i.%s" style="position:absolute; top:-100px; left:-100px; border-style:none; border-width=1px; filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'%s&rot=%s\');"><img style="visibility:hidden" src="%s&rot=%s" /></span>'%(id,marksrc,rot,marksrc,rot)
  407: 		else:
  408: 		    # arrow image
  409: 		    tag += '<img id="i.%s" src="%s&rot=%s" border="1" style="position:absolute; top:-100px; left:-100px; border-style:none;" />'%(id,marksrc,rot)
  410: 	    elif ob.isTypeText():
  411: 		# DOM - Text
  412: 		tag += '<div id="i.%s" style="position:absolute; top:-100px; left:-100px;"'%(id)
  413: 		tag += '><div id="t.%s" class="maptext"'%(id)
  414: 		tag += 'style="visibility:hidden">'
  415: 		tag += ob.getText()
  416: 		tag += '</div></div>'
  417: 	    else:
  418: 		# DOM - Area
  419: 		if bt.isIE:
  420: 		    # IE needs transparent img for area
  421: 		    tag += '<img id="i.%s" border="0" style="position:absolute; top:-100px; left:-100px;" src="trans_img"'%(id)
  422: 		    if tiptext:
  423: 			tag += ' title="%s"'%tiptext
  424: 		    tag += " />"
  425: 		else:
  426: 		    # empty div for area
  427: 		    tag += '<div id="i.%s" style="position:absolute; top:-100px; left:-100px;"'%(id)
  428: 		    if tiptext:
  429: 			tag += ' title="%s"'%tiptext
  430: 		    tag += '> </div>'
  431: 	    tag += '</a>'
  432: 	return tag
  433: 
  434: 
  435:     #ende der echo erweiterungen
  436: 
  437: 
  438: def toList(field):
  439:     """Einzelfeld in Liste umwandeln"""
  440:     if type(field)==types.StringType:
  441:         return [field]
  442:     else:
  443:         return field
  444: 
  445: def getText(nodelist):
  446:     rc = ""
  447:     for node in nodelist:
  448:     	if node.nodeType == node.TEXT_NODE:
  449:            rc = rc + node.data
  450:     return rc
  451: 
  452: def getTextFromNode(nodename):
  453:     nodelist=nodename.childNodes
  454:     rc = ""
  455:     for node in nodelist:
  456:     	if node.nodeType == node.TEXT_NODE:
  457:            rc = rc + node.data
  458:     return rc
  459: 
  460: 
  461: def readFieldFromXML(meta_url,parent,field):
  462: 	"""lesespezifisches metadatum"""
  463: 	
  464: 	try:
  465: 		dom=xml.dom.minidom.parse(meta_url)
  466: 
  467: 	except:
  468: 		try:
  469: 			fh=urllib.urlopen(meta_url)
  470: 			dom=xml.dom.minidom.parse(fh)
  471: 	        except:
  472: 			return None
  473: 	if not dom: return None
  474: 
  475: 	parent=dom.getElementsByTagName(parent)
  476: 	if not parent: return None
  477: 
  478: 	field=parent[0].getElementsByTagName(field)
  479: 
  480: 	if not field: return None
  481: 
  482: 	return getText(field[0].childNodes)
  483: 	
  484: 	
  485: 	      
  486: def urlopen(url):
  487: 	"""urlopen mit timeout"""
  488: 	socket.setdefaulttimeout(2)
  489: 	ret=urllib.urlopen(url)
  490: 	socket.setdefaulttimeout(5)
  491: 	return ret
  492: #	urlopener = urllib.URLopener()
  493: #
  494: #	try:		
  495: #		con = urlopener.open(url)
  496: #		return con
  497: #	except timeoutsocket.Timeout:
  498: #		return None
  499: 
  500: 
  501: 
  502: 
  503: 
  504: def checkOnlyOneInGroup(object): 
  505: 	"""check if object is a group and if it containt only one element it return this element"""
  506: 	displayedObjects=object.ZopeFind(object,obj_metatypes=displayTypes)
  507: 	if len(displayedObjects)==1: # nur ein Object dann redirect auf dieses Object
  508: 
  509: 		return displayedObjects[0][1]
  510: 	else:		return object
  511: 
  512: def getSubCols(self, sortfield=None, subColTypes=displayTypes, sortFieldMD=None,searchMD=None):
  513: 	
  514: 	
  515: 	def sort(x,y):
  516: 		return cmp(x[0],y[0])
  517: 	
  518: 	def sortfnc(sortfield,x,y):
  519: 		try:
  520: 			xa=x[1].getMDValue(sortfield)
  521: 		except:
  522: 			xa=""
  523: 		try:
  524: 			ya=y[1].getMDValue(sortfield)
  525: 		except:
  526: 			ya=""
  527: 		return cmp(xa,ya)
  528: 	
  529: 	sortWithMD = lambda sortfield : (lambda x,y : sortfnc(sortfield,x,y))
  530:         ids=[]
  531: 	displayedObjects=self.ZopeFind(self,obj_metatypes=subColTypes)
  532: 
  533: 	
  534: 	for entry in displayedObjects:
  535: 
  536: 			
  537: 		object=entry[1]
  538: 		if searchMD and hasattr(object,'getMDValue'):
  539: 			flag=0
  540: 			for field in searchMD.keys():
  541: 				if object.getMDValue(field)==searchMD[field]:
  542: 					flag=1
  543: 				else:
  544: 					flag=0
  545: 					break
  546: 			if flag==1:
  547: 				ids.append(object)
  548: 		else:
  549: 			ids.append(object)
  550: 
  551: 	if not sortfield:
  552:             sortfield=getattr(self,'sortfield','weight')
  553: 
  554:             
  555:         tmplist=[]
  556: 
  557:         for x in ids:
  558: 		
  559: 		if hasattr(x,sortfield):
  560: 			try:
  561: 				tmp=int(getattr(x,sortfield))
  562: 			except:
  563: 				tmp=getattr(x,sortfield)
  564: 				
  565: 		else:
  566: 			tmp=10000000
  567: 			
  568: 		tmplist.append((tmp,x))
  569: 
  570: 	if not sortFieldMD:
  571: 		tmplist.sort(sort)
  572: 	else:
  573: 		tmplist.sort(sortWithMD(sortFieldMD))
  574: 	
  575:         return [x for (key,x) in tmplist]
  576: 
  577: def ECHO_rerenderLinksMD(self,obj=None,types=['title','label']):
  578:         """Rerender all Links"""
  579: 	ret=""
  580: 	
  581:         if not obj:
  582:             obj = self
  583:             
  584:         entries=obj.ZopeFind(obj,obj_metatypes=['ECHO_resource'],search_sub=1)
  585: 
  586:         for entry in entries:
  587: 		if entry[1].meta_type == 'ECHO_resource':
  588: 			try:
  589: 				entry[1].ECHO_getResourceMD(template="no")
  590:                                 if "title" in types:
  591:                                     entry[1].generate_title()
  592:                                 if "label" in types:
  593:                                     entry[1].generate_label()
  594: 				ret+="OK:"+entry[0]+"-- "+entry[1].getTitle().decode('utf-8')+"-- "+entry[1].getTitle().decode('utf-8')+"<br>"
  595: 			except:
  596: 				ret+="Error:"+entry[0]+"<br>"
  597: 
  598: 		
  599:                 
  600:                 
  601:         return "<html><body>"+ret+"Rerenderd all links to resources in: "+self.title+"</html></body>"
  602: 
  603: def reloadMetaDataFromStorage(self,RESPONSE=None):
  604: 	    """copy metadata from the storage to ECHO"""
  605: 	    ret=""
  606: 	    resources=self.ZopeFind(self,obj_metatypes=['ECHO_resource'],search_sub=1)
  607: 
  608: 	    for resource in resources:
  609: 		    x=str(resource[1].copyIndex_meta2echo_resource())+"<br>"
  610: 		    ret+=x
  611: 
  612: 	    if RESPONSE is not None:
  613: 		    #RESPONSE.redirect('./manage_main')
  614: 		    return "<html><body>"+ret+"</html></body>"
  615: 
  616: 	    return ret
  617:     
  618: def getRDFDescription(self,linkURL,urn=None,nameDef=None,typeName=None):
  619: 	    """rdf"""
  620: 	    
  621: 	    ret=""
  622: 	    about="""<RDF:Description RDF:about="%s">"""
  623: 	    name="""<ECHONAVIGATION:name>%s</ECHONAVIGATION:name>"""
  624: 	    link="""<ECHONAVIGATION:link xlink:href="%s">%s</ECHONAVIGATION:link>"""
  625: 	    clickable="""<ECHONAVIGATION:linkClickable>%s</ECHONAVIGATION:linkClickable>"""
  626: 	    #link="""<ECHONAVIGATION:link RDF:about="%s"/>"""
  627: 	    type="""<ECHONAVIGATION:type>%s</ECHONAVIGATION:type>"""
  628:             #xlink="""<ECHONAVIGATION:xlink xlink:href="%s"/>"""	
  629: 	    if not urn:
  630: 		    #urn="urn:"+re.sub('/',':',self.absolute_url())
  631: 		    urn=self.absolute_url()
  632: 	    about2=about%urn
  633: 	    if not nameDef:
  634: 		    if hasattr(self,'label') and not (self.label==""):
  635: 			    name2=name%self.label
  636: 		    elif not self.title=="":
  637: 			    name2=name%self.title
  638: 		    else:
  639: 			    name2=name%self.getId()
  640: 
  641: 		    name2=re.sub('&','&amp;',name2)
  642: 	    else:
  643: 		    name2=name%nameDef
  644: 
  645: 	    linkURL=re.sub('http:','',linkURL)
  646: 	    linkURL2=re.sub('&','&amp;',linkURL)
  647: 	    link2=link%(("http:"+linkURL2),("http:"+urllib.quote(linkURL)))
  648: 	    clickable2=clickable%"true"
  649: 
  650: 	    if not typeName:
  651: 		    type2=type%self.meta_type
  652: 	    else:
  653: 		    type2=type%typeName
  654: 	    
  655: 	    #ret=about2+"\n"+name2+"\n"+link2+"\n"+type2+"\n"+clickable2+"\n</RDF:Description>"
  656: 	    ret=about2+"\n"+name2+"\n"+type2+"\n"+clickable2+"\n</RDF:Description>"
  657: 	    return ret
  658:     
  659: def getCopyrightsFromForm(self,argv): 
  660: 	medias={}
  661: 	partners={}
  662: 	copyrights={}
  663: 	
  664: 	copyrightsFinal=[]
  665: 	for arg in argv.keys():
  666: 		
  667: 		if arg[0:5]=='media':
  668: 			nm=int(arg[5:])
  669: 			medias[nm]=argv[arg]
  670: 		elif arg[0:5]=='partn':
  671: 			nm=int(arg[5:])
  672: 			partners[nm]=argv[arg]
  673: 		elif arg[0:5]=='copyr':
  674: 			nm=int(arg[5:])
  675: 			copyrights[nm]=argv[arg]
  676: 
  677: 
  678: 
  679: 	copyrightsList=[(medias[nm],partners[nm],copyrights[nm]) for nm in medias.keys()]
  680: 	for copyright in copyrightsList:
  681: 		
  682: 		if copyright[2]=='institution0000':
  683: 			copyrightsFinal.append((copyright[0],copyright[1],self.getPartnerCopyright(copyright[1],'')))
  684: 		else:
  685: 			if not copyright[0]=='':
  686: 				copyrightsFinal.append(copyright)
  687: 		
  688: 			
  689: 	return copyrightsFinal
  690: 
  691: #List of different types for the graphical linking viewer
  692: viewClassificationListMaster=['view point','area']
  693: 
  694: 
  695: def checkDiffs(self,metadict):
  696: 	    """check differences"""
  697: 
  698: 	    
  699: 
  700:     
  701: 	    def NoneToEmpty(obj):
  702: 		    if obj:
  703: 			    return obj
  704: 		    else:
  705: 			    return ""
  706: 
  707: 	    
  708: 	    
  709: 	    diffs={}
  710: 	    
  711: 	    tags=self.findTagsFromMapping(self.contentType)
  712: 	    self.referencetypes=tags[2]
  713: 	    self.fields=tags[3]
  714: 	    
  715:     
  716: 	    for field in tags[1]:
  717: 		    try:
  718: 			    if (NoneToEmpty(self.getFieldValue(self.getFieldTag(tags,field)))==metadict[self.getFieldTag(tags,field)]):
  719: 				    diffs[self.getFieldTag(tags,field)]=1
  720: 			    else:
  721: 				    
  722: 				    diffs[self.getFieldTag(tags,field)]=0
  723: 		    except:
  724: 			    diffs[self.getFieldTag(tags,field)]=0
  725: 			    
  726: 	    return diffs
  727:     
  728: 
  729: def zptFile(self, path, orphaned=False):
  730:     """returns a page template file from the product"""
  731:     if orphaned:
  732: 	# unusual case
  733: 	pt=PageTemplateFile(os.path.join(package_home(globals()), path))
  734:     else:
  735: 	pt=PageTemplateFile(os.path.join(package_home(globals()), path)).__of__(self)
  736:     return pt
  737: 
  738: 
  739: def findObjectPath(startobject, filename):
  740:     """returns the object with the name filename starting at startobject"""
  741:     if startobject is None:
  742: 	return None
  743:     paths = filename.split('/')
  744:     object = startobject
  745:     for path in paths:
  746: 	    
  747:         if hasattr(object, path):
  748: 	    object = getattr(object, path)
  749: 	else:
  750: 	    object = None
  751: 	    break
  752:     return object
  753: 
  754: 
  755: def zptObjectOrFile(self, filename, localdir='zpt', orphaned=False):
  756:     """returns a page template instance or a file from the product"""
  757:     # look for an object called path
  758:     pt = findObjectPath(self, filename)
  759:     # the object should also not be a python function
  760:     if (pt is None) or isinstance(pt, types.FunctionType):
  761: 	# get a ZPT file
  762: 	pt = zptFile(self, localdir+'/'+filename, orphaned=orphaned)
  763:     return pt
  764: 
  765: 
  766: def sendFile(self, filename, type):
  767:     """sends an object or a local file (in the product) as response"""
  768:     # look for an object called filename
  769:     object = findObjectPath(self, filename)
  770:     if object:
  771: 	# if the object exists then send it
  772: 	return object.index_html(self.REQUEST.REQUEST, self.REQUEST.RESPONSE)
  773:     else:
  774: 	# send a local file with the given content-type
  775: 	fn = os.path.join(package_home(globals()), filename)
  776: 	self.REQUEST.RESPONSE.setHeader("Content-Type", type)
  777: 	self.REQUEST.RESPONSE.write(file(fn).read())
  778:     return
  779: 
  780: 
  781: class BrowserCheck:
  782:     """check the browsers request to find out the browser type"""
  783:     
  784:     def __init__(self, zope):
  785:         """initialisiere"""
  786: 	self.ua = zope.REQUEST.get_header("HTTP_USER_AGENT")
  787: 	self.isN4 = False
  788: 	self.isIE = False
  789: 	if string.find(self.ua, 'MSIE') > -1:
  790: 	    self.isIE = True
  791: 	else:
  792: 	    self.isN4 = string.find(self.ua, 'Mozilla/4.') > -1
  793: 	try:
  794: 	    self.nav = self.ua[string.find(self.ua, '('):]
  795: 	    ie = string.split(self.nav, "; ")[1]
  796: 	    if string.find(ie, "MSIE") > -1:
  797: 		self.versIE = string.split(ie, " ")[1]
  798: 	except: pass
  799: 	self.isMac = string.find(self.ua, 'Macintosh') > -1
  800: 	self.isWin = string.find(self.ua, 'Windows') > -1
  801: 	self.isIEWin = self.isIE and self.isWin
  802: 	self.isIEMac = self.isIE and self.isMac
  803: 
  804: 		
  805: def writeMetadata(url,metadict,project=None,startpage=None,xslt=None,thumbtemplate=None,topbar=None,digiLibTemplate=None,xmlfrag=None,digiliburlprefix=None):
  806: 	"""Einlesen der Metadaten und und erstellen des geaenderten XML file"""
  807: 
  808: 	def updateTextToolNode(tag,value):
  809: 
  810: 		metanode=dom.getElementsByTagName('texttool')[0]
  811: 		try:
  812: 			nodeOld=metanode.getElementsByTagName(tag)
  813: 		except:
  814: 			nodeOld=None
  815: 			
  816: 		if nodeOld:
  817: 			metanode.removeChild(nodeOld[0]).unlink()
  818: 
  819: 		node=dom.createElement(tag)
  820: 		nodetext=dom.createTextNode(value)
  821: 		node.appendChild(nodetext)
  822: 		metanode.appendChild(node)
  823: 
  824: 	if xmlfrag:
  825: 		geturl="""<?xml version="1.0" ?>
  826:                            <resource type="MPIWG">
  827: 			   <meta>
  828: 			    <bib type="Book">
  829: 	                    </bib>
  830: 			    </meta>
  831: 			    </resource>"""
  832: 		dom=xml.dom.minidom.parseString(geturl)
  833: 	else:
  834: 		try:
  835: 			geturl=""
  836: 			for line in urlopen(url).readlines():
  837: 				geturl=geturl+line
  838: 
  839: 
  840: 		except:
  841: 			return (None,"XCannot open: "+url)
  842: 
  843: 		try:
  844: 			dom=xml.dom.minidom.parseString(geturl)
  845: 		except:
  846: 			return (None,"Cannot parse: "+url+"<br>"+geturl)
  847: 
  848: 	
  849: 
  850: 	metanodes=dom.getElementsByTagName('bib')
  851: 
  852: 	if not metanodes:
  853: 		metanodes=dom.getElementsByTagName('archimedes')
  854: 
  855: 	metanode=metanodes[0]
  856: 
  857: 	for metaData in metadict.keys():
  858: 		
  859: 		try:
  860: 			nodeOld=metanode.getElementsByTagName(metaData)
  861: 		except:
  862: 			nodeOld=None
  863: 			
  864: 		if nodeOld:
  865: 			metanode.removeChild(nodeOld[0]).unlink()
  866: 		else:
  867: 			# try also old writing rule - instead of _:
  868: 			try:
  869: 				nodeOld=metanode.getElementsByTagName(re.sub('_','-',metaData))
  870: 			except:
  871: 				nodeOld=None
  872: 				
  873: 			if nodeOld:
  874: 				metanode.removeChild(nodeOld[0]).unlink()
  875: 
  876: 		metanodeneu=dom.createElement(metaData)
  877:                 metanodetext=dom.createTextNode(metadict[metaData])
  878: 		#try:
  879: 			#metanodetext=dom.createTextNode(unicode(metadict[metaData],"utf-8"))
  880: 		#except:
  881: 			#metanodetext=dom.createTextNode(metadict[metaData].encode('utf-8'))
  882: 		metanodeneu.appendChild(metanodetext)
  883: 		metanode.appendChild(metanodeneu)
  884: 
  885: 
  886: 	
  887: 	
  888: 	
  889: 	if project:
  890: 		updateTextToolNode('project',project)
  891: 
  892: 	if startpage:
  893: 		updateTextToolNode('startpage',startpage)
  894: 
  895: 	if topbar:
  896: 		updateTextToolNode('toptemplate',topbar)
  897: 
  898: 	if thumbtemplate:
  899: 		updateTextToolNode('thumbtemplate',thumbtemplate)
  900: 
  901: 	if xslt:
  902: 		updateTextToolNode('xslt',xslt)
  903: 
  904: 	
  905: 	if digiliburlprefix:
  906: 		updateTextToolNode('digiliburlprefix',digiliburlprefix)
  907: 	
  908:         try:	
  909: 	 return dom.toxml().encode('utf-8')
  910: 	except:
  911: 	 return dom.toxml('utf-8')
  912: 
  913: 	
  914: 	
  915: def readMetadata(url):
  916:     """Methode zum Auslesen der Metadateninformation zu einer Resource
  917:     Vorerst noch Typ bib"""
  918:     
  919:     metadict={}
  920:     
  921:     try:
  922:         geturl=""
  923:         for line in urlopen(url).readlines():
  924:             geturl=geturl+line
  925:         
  926:         
  927:     except:
  928:         return (None,"Cannot open: "+url)
  929: 
  930:     try:
  931:         dom=xml.dom.minidom.parseString(geturl)
  932:     except:
  933: 	    return (None,"Cannot parse: "+url+"<br>"+geturl)
  934: 
  935:     metanode=dom.getElementsByTagName('bib')
  936:     metadict['bib_type']='Book'
  937:     if len(metanode)==0:
  938:         metanode=dom.getElementsByTagName('archimedes')
  939:         metadict['bib_type']='Archimedes'
  940:         
  941:         
  942:     if not len(metanode)==0:    
  943:         metacontent=metanode[0].childNodes
  944:     
  945:         try:
  946:             metadict['bib_type']=getText(dom.getElementsByTagName('bib')[0].attributes['type'].childNodes)
  947:         except:
  948:             """nothing"""
  949:         
  950:         for node in metacontent:
  951: 		try:
  952: 			#print urllib.unquote(getText(node.childNodes)),getText(node.childNodes)
  953: 			#metadict[re.sub('-','_',node.tagName.lower())]=urllib.unquote(getText(node.childNodes))
  954: 			metadict[re.sub('-','_',node.tagName.lower())]=getText(node.childNodes)
  955: 		
  956: 		except:
  957: 			"""nothing"""
  958: 
  959: 
  960:     return metadict,""
  961:     
  962: 
  963: class MapArea(SimpleItem):
  964:     """simple class to hold coordinates"""
  965: 
  966:     meta_type = 'MapArea'
  967:     # Create a SecurityInfo for this class.
  968:     security = ClassSecurityInfo()
  969:     security.setDefaultAccess("allow")
  970:     # type constants
  971:     TYPE_AREA = 'area'
  972:     TYPE_ARROW = 'arrow'
  973:     TYPE_TEXT = 'text'
  974: 	
  975:     def __init__(self, id, coords, label=None, type=None, tip=None, permanent=False):
  976: 	"""init"""
  977: 	self.coords = coords[0:4]
  978: 	if len(coords) > 4:
  979: 	    self.angle = coords[4]
  980: 	else:
  981: 	    self.angle = 0
  982: 	self.id = id
  983: 	self.label = label
  984: 	self.setType(type)
  985: 	self.tip = tip
  986: 	self.permanent = permanent
  987: 
  988:     def setCoords(self, coords):
  989: 	"""sets the coords"""
  990: 	self.coords = coords
  991: 
  992:     def getCoordString(self):
  993: 	"""returns coordinates as a string"""
  994: 	return string.join(self.coords, ',')
  995: 
  996:     def setCoordString(self, coordstring):
  997: 	"""sets coordinates from a string"""
  998: 	coords = string.split(coordstring, ',')
  999: 	self.coords = [c.strip() for c in coords]
 1000: 
 1001:     def getFullId(self, prefix=None):
 1002: 	"""returns the id with prefixed parent id"""
 1003: 	if prefix is None:
 1004: 	    if hasattr(self, 'aq_parent'):
 1005: 		prefix = self.aq_parent.id
 1006: 	    else:
 1007: 		prefix = "id"
 1008: 	fid = prefix + "." + self.id
 1009: 	return fid
 1010: 
 1011:     def getType(self):
 1012: 	"""returns the type"""
 1013: 	return self.type
 1014: 
 1015:     def setType(self, type):
 1016: 	"""sets the type"""
 1017: 	if type == MapArea.TYPE_ARROW:
 1018: 	    self.type = MapArea.TYPE_ARROW
 1019: 	elif type == MapArea.TYPE_AREA:
 1020: 	    self.type = MapArea.TYPE_AREA
 1021: 	elif type == MapArea.TYPE_TEXT:
 1022: 	    self.type = MapArea.TYPE_TEXT
 1023: 	else:
 1024: 	    self.type = MapArea.TYPE_AREA
 1025: 	    
 1026:     def isTypeArea(self):
 1027: 	"""returns if the type is area"""
 1028: 	return self.type == MapArea.TYPE_AREA
 1029: 
 1030:     def isTypeArrow(self):
 1031: 	"""returns if the type is arrow"""
 1032: 	return self.type == MapArea.TYPE_ARROW
 1033: 
 1034:     def isTypeText(self):
 1035: 	"""returns if the type is text"""
 1036: 	return self.type == MapArea.TYPE_TEXT
 1037: 
 1038:     def getAngle(self):
 1039: 	"""returns the angle"""
 1040: 	return self.angle
 1041: 
 1042:     def setAngle(self, angle):
 1043: 	"""sets the angle"""
 1044: 	self.angle = angle
 1045: 
 1046:     def getTip(self):
 1047: 	"""returns the popup text"""
 1048: 	# patch old version
 1049: 	if not hasattr(self, 'tip'):
 1050: 	    self.tip = self.text
 1051: 
 1052: 	if self.tip is None:
 1053: 	    if hasattr(self, 'aq_parent'):
 1054: 		parent = self.aq_parent
 1055: 		if parent.contentType == 'text-popup':
 1056: 		    return parent.description
 1057: 	return self.tip
 1058: 
 1059:     def setTip(self, text):
 1060: 	"""sets the text"""
 1061: 	self.tiptext = text
 1062: 
 1063:     def getText(self):
 1064: 	"""returns the text fpr the area"""
 1065: 	if hasattr(self, 'aq_parent'):
 1066: 	    parent = self.aq_parent
 1067: 	    text = parent.getMapText()
 1068: 	    if text is not None:
 1069: 		return text.document_src()
 1070: 	return ""
 1071: 
 1072:     def getLabel(self):
 1073: 	"""returns the link label"""
 1074: 	if self.label is None:
 1075: 	    if hasattr(self, 'aq_parent'):
 1076: 		return self.aq_parent.label or self.aq_parent.id
 1077: 	return self.label
 1078: 
 1079:     def setLabel(self, label):
 1080: 	"""sets the label"""
 1081: 	self.label = label
 1082: 
 1083:     def isPermanent(self):
 1084: 	"""returns the permanent state"""
 1085: 	# patch old objects
 1086: 	if not hasattr(self, 'permanent'):
 1087: 	    self.permanent = False
 1088: 	return self.permanent
 1089: 
 1090:     def setPermanent(self, state):
 1091: 	"""sets the permanent state"""
 1092: 	if state:
 1093: 	    self.permanent = True
 1094: 	else:
 1095: 	    self.permanent = False
 1096: 
 1097:     def getLinkId(self):
 1098: 	if hasattr(self, 'aq_parent'):
 1099: 	    return self.aq_parent.id
 1100: 	return self.id
 1101: 
 1102: # call this to initialize framework classes, which
 1103: # does the right thing with the security assertions.
 1104: Globals.InitializeClass(MapArea)
 1105: 
 1106: 
 1107: class MapText(Folder,ZopePageTemplate):
 1108:     """class to hold text for map areas"""
 1109: 
 1110:     meta_type = 'ECHO_mapText'
 1111:     # Create a SecurityInfo for this class.
 1112:     security = ClassSecurityInfo()
 1113:     security.setDefaultAccess("allow")
 1114: 
 1115:     
 1116:     _default_content_fn = os.path.join(package_home(globals()),
 1117:                                        'html', 'ECHO_mapText_default.html')
 1118: 
 1119:     def __init__(self, id, text=None, content_type=None):
 1120:         self.id = str(id)
 1121:         self.ZBindings_edit(self._default_bindings)
 1122:         if text is None:
 1123:             text = open(self._default_content_fn).read()
 1124:         self.pt_edit(text, content_type)
 1125: 
 1126:     def createLocale(self):
 1127: 	    """create locale"""
 1128: 	    return ECHO_collection.manage_addECHO_localeForm(self)
 1129: 
 1130:     manage_main=ZopePageTemplate.pt_editForm
 1131: 
 1132:     def manage_addECHO_locale(self,lang,title,label,text=None,content_type=None,RESPONSE=None):
 1133: 	    """manage add echo locale in map"""
 1134: 	    ECHO_collection.manage_addECHO_locale(self,lang,title,label,text,content_type)
 1135: 	    if RESPONSE is not None:
 1136: 			RESPONSE.redirect('manage_main')
 1137: 
 1138: 
 1139:     def changeLocale(self):
 1140: 	   """change locale"""
 1141: 	   return self.locale_en.change_ECHO_localeForm()
 1142: 
 1143:     def change_ECHO_locale(self,lang,title,label,text=None,content_type=None,RESPONSE=None):
 1144: 		"""change echo locale"""
 1145: 
 1146: 		obj= self.locale_en.change_ECHO_locale(lang,title,label,text,content_type,RESPONSE)
 1147: 	
 1148: 
 1149: 
 1150: 		if RESPONSE is not None:
 1151: 			RESPONSE.redirect('manage_main')
 1152: 
 1153: 		
 1154: # Product registration and Add support
 1155: manage_addMapTextForm = PageTemplateFile(
 1156:     'zpt/AddECHO_mapText', globals(), __name__='manage_addMapTextForm')
 1157: 
 1158: def manage_addMapText(self, id, title=None, text=None,
 1159:                            REQUEST=None, submit=None):
 1160:     "Add a Map Text with optional file content."
 1161: 
 1162:     id = str(id)
 1163:     if REQUEST is None:
 1164:         self._setObject(id, MapText(id, text))
 1165:         ob = getattr(self, id)
 1166:         if title:
 1167:             ob.pt_setTitle(title)
 1168:         return ob
 1169:     else:
 1170:         file = REQUEST.form.get('file')
 1171:         headers = getattr(file, 'headers', None)
 1172:         if headers is None or not file.filename:
 1173:             zpt = MapText(id, text)
 1174:         else:
 1175:             zpt = MapText(id, file, headers.get('content_type'))
 1176: 
 1177:         self._setObject(id, zpt)
 1178:         if title:
 1179:             ob = getattr(self, id)
 1180:             ob.pt_setTitle(title)
 1181: 
 1182:         try:
 1183:             u = self.DestinationURL()
 1184:         except AttributeError:
 1185:             u = REQUEST['URL1']
 1186: 
 1187:         if submit == " Add and Edit ":
 1188:             u = "%s/%s" % (u, urllib.quote(id))
 1189:         REQUEST.RESPONSE.redirect(u+'/manage_main')
 1190:     return ''
 1191: 
 1192: # call this to initialize framework classes, which
 1193: # does the right thing with the security assertions.
 1194: Globals.InitializeClass(MapText)

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