--- ECHO_content/VLPExtension.py	2004/11/03 15:04:46	1.32
+++ ECHO_content/VLPExtension.py	2004/11/29 20:39:25	1.36
@@ -1,7 +1,7 @@
 """
 This module contains extensions which where originally made for the VLP.
 """
-
+from OFS.Cache import Cacheable
 from Products.ECHO_content.ECHO_collection import *
 from Products.PageTemplates.PageTemplateFile import PageTemplateFile
 from Products.PageTemplates.PageTemplate import PageTemplate
@@ -374,6 +374,7 @@ class VLP_collection(ECHO_collection):
                 
                 genObj=getattr(self,fileName)
                 genObj.createIndexFile()
+
                 
                 
         if RESPONSE is not None:
@@ -429,7 +430,7 @@ def manage_addVLP_collection(self,id,tit
 
 
 
-class VLP_resource(ECHO_resource):
+class VLP_resource(ECHO_resource,Cacheable):
     """VLP spezifische Erweiterung"""
 
     meta_type="VLP_resource"
@@ -439,14 +440,25 @@ class VLP_resource(ECHO_resource):
     
     referencetypes=[]
 
-    manage_options=ECHO_resource.manage_options+(
+    manage_options=ECHO_resource.manage_options+Cacheable.manage_options+(
         {'label':'Update Index','action':'createIndexFile'},
         {'label':'Reset MetaLink','action':'resetMetaLink'},
         {'label':'Generate Title','action':'generate_title'},
 	{'label':'Generate Library Template','action':'generateLibraryTemplateHTML'},
         )
 
+
+    def getImagePath(self):
+	    """Pfad zu den Images"""
+	    if os.path.isdir(os.path.join(self.vlp_basis,self.resourceID,'pageimg')):
+		    return os.path.join(self.vlp_basis,self.resourceID,'pageimg')
+	    elif os.path.isdir(os.path.join(self.vlp_basis,self.resourceID,'pagesHi')):
+		    return os.path.join(self.vlp_basis,self.resourceID,'pagesHi')
+	    else:
+		    return "<error>no images </error>"
     
+
+	    
     def transcription(self):
 	    """show the rendered transcriptiofile"""
 	    
@@ -642,10 +654,18 @@ class VLP_resource(ECHO_resource):
     
     def readIndexFile(self,url=None):
         """reads the indexfile. presently url not None isn't implemented. In the future url can be defined."""
-        pagelist=[]
-        if not url:
+	if not url:
             url=self.absolute_url()+"/index.xml"
 
+	if self.ZCacheable_isCachingEnabled():
+            
+            result = self.ZCacheable_get(view_name=url)
+            if result is not None:
+                # Got a cached value.
+                return result
+
+        pagelist=[]
+   
         fh=ECHO_helpers.urlopen(url)
         dom=xml.dom.minidom.parse(fh)
         
@@ -656,7 +676,8 @@ class VLP_resource(ECHO_resource):
 	    fileName=page.getAttribute('file')
             pagelist.append((pageNum,text,fileName))
 
-        return pagelist
+	self.ZCacheable_set(pagelist,view_name=url)
+        return pagelist 
 
     def getFileName(self):
 	   """getNameOfCurrentFile"""