simplify this script

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@27294 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_trade/SkinTemplateItem/portal_skins/erp5_trade/Movement_isQuantityEditable.xml

@@ -53,10 +53,11 @@
         </item>
         <item>
             <key> <string>_body</string> </key>
-            <value> <string>if context.getPortalType() in [\'Purchase Packing List Line\',\'Inventory Line\'] and (context.getResource() and context.getResourceValue().getAggregatedPortalTypeList()) or (context.getAggregate()) or (context.getResource() is None and context.getPortalItemTypeList()):\n
-  return 0\n
-else:\n
-  return 1\n
+            <value> <string>"""This scripts is used to know if quantity can be edited by user.\n
+If items are used, quantity is set by the item quantity.\n
+"""\n
+return not (context.getPortalType() in context.getPortalDeliveryMovementTypeList()\n
+      and (context.getResource() and context.getResourceValue().getAggregatedPortalTypeList()))\n
 </string> </value>
         </item>
         <item>
@@ -95,7 +96,6 @@ else:\n
                           <tuple>
                             <string>_getattr_</string>
                             <string>context</string>
-                            <string>None</string>
                           </tuple>
                         </value>
                     </item>

bt5/erp5_trade/bt/revision

-664
+665
\ No newline at end of file