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    1: displayTypes = ['ZSQLExtendFolder','ZSQLBibliography','ECHO_group','ECHO_collection','ECHO_resource','ECHO_link','ECHO_sqlElement']
    2: 
    3: def checkOnlyOneInGroup(object):
    4: 	"""check if object is a group and if it containt only one element it return this element"""
    5: 	displayedObjects=object.ZopeFind(object,obj_metatypes=displayTypes)
    6: 	if len(displayedObjects)==1: # nur ein Object dann redirect auf dieses Object
    7: 
    8: 		return displayedObjects[0][1]
    9: 	else:
   10: 		return object
   11: 
   12: def getSubCols(self,sortfield="weight",subColTypes= displayTypes):
   13: 
   14:         
   15:         ids=[]
   16: 	displayedObjects=self.ZopeFind(self,obj_metatypes=subColTypes)
   17: 	
   18: 	
   19: 	for entry in displayedObjects:
   20:             object=entry[1]
   21:             try:
   22:                 if object.meta_type in subColTypes:
   23: 			ids.append(object)
   24:                     
   25:             except:
   26:                 """nothing"""
   27:         try:
   28:             sortfield=self.sortfield
   29:         except:
   30:             """nothing"""
   31:             
   32:         tmplist=[]
   33:         for x in ids:
   34:             if hasattr(x,sortfield):
   35:                 try:
   36: 
   37:                     x=int(x)
   38:                 except:
   39:                     """nothing"""
   40:                 tmp=getattr(x,sortfield)
   41:             else:
   42:                 tmp=10000000
   43:             tmplist.append((tmp,x))
   44:         tmplist.sort()
   45:         return [x for (key,x) in tmplist]