--- MPIWGWeb/MPIWGProjects.py	2004/11/03 17:33:31	1.41
+++ MPIWGWeb/MPIWGProjects.py	2004/11/16 14:51:54	1.42
@@ -1,5 +1,5 @@
 """This contains the class MPIWG Projects
-for organizing and maintaining the different projectspages
+for organizing and maintaining the different project pages
 
 """
 from Products.PageTemplates.PageTemplateFile import PageTemplateFile
@@ -19,6 +19,7 @@ from OFS.SimpleItem import SimpleItem
 from OFS.Folder import Folder
 
 from bibliography import *
+import time
 
 definedFields=['WEB_title','xdata_01','xdata_02','xdata_03','xdata_04','xdata_05','xdata_06','xdata_07','xdata_08','xdata_09','xdata_10','xdata_11','xdata_12','xdata_13','WEB_project_header','WEB_project_description','WEB_related_pub']
 
@@ -848,6 +849,35 @@ class MPIWGProject(Folder):
 
     meta_type='MPIWGProject'
 
+
+    def versionHeader(self):
+        """version Header, gibt header text entsprechend der aktuellen version aus"""
+        
+        actualTime=time.localtime()
+        retTXT="""<h2>This is an outdated version, for the actual version please refer to <a href="%s">%s</a></h2>"""
+        s=self.aq_parent.absolute_url()
+        print getattr(self,'archiveTime',actualTime)
+        if getattr(self,'archiveTime',actualTime)< actualTime:
+            return retTXT%(s,s)
+        else:
+            return ""
+        
+    def copyObjectToArchive(self):
+        """kopiere aktuelles objekt ins archiv"""
+        cb=self.aq_parent.manage_copyObjects(self.getId())
+        self.manage_pasteObjects(cb)
+        actualTime=time.localtime()
+        
+        self.manage_renameObject(self.getId(),self.getId()+"_"+time.strftime("%Y%m%d%H%M%S",actualTime))
+        obj=getattr(self,self.getId()+"_"+time.strftime("%Y%m%d%H%M%S",actualTime))
+        obj.setArchiveTime(time.strftime("%Y%m%d%H%M%S",actualTime))
+        ids=[x[0] for x in self.ZopeFind(obj,obj_metatypes=['MPIWGProject'])]
+        obj.manage_delObjects(ids)
+        
+    def setArchiveTime(self,time):
+        """set Archive Time"""
+        self.archiveTime=time[0:]
+        
     def versionManageForm(self):
         """version Manage form:currently only set to invisible"""
         pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','MPIWGProject_versionManageForm.zpt')).__of__(self)
@@ -921,8 +951,36 @@ class MPIWGProject(Folder):
         )
 
 
+    def checkDate(self,date):
+        """teste ob zum Zeitpunkt date eine andere version existierte"""
+        
+
+        def sortProjectsByTime(x,y):
+            return cmp(x[1].archiveTime,y[1].archiveTime)
+        
+        finds=self.ZopeFind(self,obj_metatypes=['MPIWGProject'])
+        if not finds:
+            return self.absolute_url()
+        else:
+            finds.sort(sortProjectsByTime)
+
+        for find in finds:
+            if int(find[1].archiveTime) > int(date):
+                return find[1].absolute_url()
+
+        return self.absolute_url()
+        
+            
+            
     def index_html(self):
         """show homepage"""
+        
+        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']))
+        else:
+            self.REQUEST.SESSION['MPI_redirected']=None
+        
 	ext=self.ZopeFind(self.aq_parent,obj_ids=["project_main"])
 
         if ext:
@@ -1003,14 +1061,18 @@ class MPIWGProject(Folder):
         return pt()
 
     def editMPIWGProject(self,RESPONSE=None):
-        """edit the project"""
+        """edit the project and archive the old version"""
+        
+        self.copyObjectToArchive() # archive the object
+
 
-        #return self.REQUEST
         for x in definedFields:
             if self.REQUEST.has_key(x):
                 
                 setattr(self,x,[self.REQUEST[x].decode('utf-8')])
-            
+
+
+        
         if RESPONSE is not None:
             RESPONSE.redirect('manage_main')