--- MPIWGWeb/MPIWGProjects.py	2008/09/12 12:28:48	1.47.2.106
+++ MPIWGWeb/MPIWGProjects.py	2008/10/23 07:53:50	1.47.2.107
@@ -20,6 +20,7 @@ from OFS.SimpleItem import SimpleItem
 from OFS.Folder import Folder
 from OFS.Image import Image
 from AccessControl import ClassSecurityInfo
+from AccessControl import getSecurityManager
 from bibliography import *
 import time
 from OFS.Cache import Cacheable
@@ -750,9 +751,66 @@ class MPIWGProject(CatalogAware,Folder,C
 
 
              return pt()
-         
+      
     def index_html(self,request=True,context=None):
         """show homepage"""
+    
+        bound_names={}
+         
+        if not context:
+            context=self
+        if request:
+            if self.REQUEST.has_key('date') and self.REQUEST.SESSION.get('MPI_redirected',None)==None:
+                self.REQUEST.SESSION['MPI_redirected']=1
+                self.REQUEST.RESPONSE.redirect(self.checkDate(self.REQUEST['date'])+"?date="+self.REQUEST['date'])
+            else:
+                self.REQUEST.SESSION['MPI_redirected']=None
+        
+        #ext=self.ZopeFind(self.aq_parent,obj_ids=["project_main"])
+      
+   
+        request2=getattr(self,'REQUEST',None)
+        
+        if request2 is not None:
+            response = request2.response
+            if not response.headers.has_key('content-type'):
+                response.setHeader('content-type', 'text/html')
+
+        security = getSecurityManager()
+        bound_names['user'] = security.getUser()
+
+      
+        # Retrieve the value from the cache.
+        keyset = None
+        if self.ZCacheable_isCachingEnabled():
+            
+            # Prepare a cache key.
+            keyset = {'here': self, 'params':request2['QUERY_STRING']}
+                      
+            result = self.ZCacheable_get(keywords=keyset)
+           
+            if result is not None:
+                # Got a cached value.
+                return result
+        
+        pt = getTemplate(self, "project_main")
+         # Execute the template in a new security context.
+        security.addContext(self)
+
+        try:
+            result = pt.pt_render(extra_context=bound_names)
+            if keyset is not None:
+                # Store the result in the cache.
+                self.ZCacheable_set(result, keywords=keyset)
+               
+            return result
+        finally:
+            security.removeContext(self)
+       
+
+      
+    def index_html_old(self,request=True,context=None):
+        """show homepage"""
         if not context:
             context=self
         if request:
@@ -914,6 +972,7 @@ class MPIWGProject(CatalogAware,Folder,C
             return self.preview(newcontent)
 
         self.copyObjectToArchive()
+        self.ZCacheable_invalidate()
         self.WEB_project_description=newcontent[0:]
        
         self.REQUEST.RESPONSE.redirect("./index.html")
@@ -1146,7 +1205,7 @@ class MPIWGProject(CatalogAware,Folder,C
         """edit the project and archive the old version"""
         
         self.copyObjectToArchive() # archive the object
-
+        self.ZCacheable_invalidate()
 
         for x in definedFields:
             if self.REQUEST.has_key(x):