Need to declare which anaysis dimension is expected on each slot.

Otherwise we can write every analysis code on every analysis slot.

account_invoice.py

@@ -10,8 +10,11 @@
         'a1_id': fields.many2one(
             'analytic.code',
             "Analysis Code 1",
-            domain=[('nd_id.ns_id.model_name', '=', 'account_invoice_line')]
+            domain=[
+                ('nd_id.ns_id.model_name', '=', 'account_invoice_line'),
+                ('nd_id.ns_id.ordering', '=', '1'),
+            ]
         ),
         'a2_id': fields.many2one(
             'analytic.code',
             "Analysis Code 2",
@@ -14,9 +17,12 @@
         ),
         'a2_id': fields.many2one(
             'analytic.code',
             "Analysis Code 2",
-            domain=[('nd_id.ns_id.model_name', '=', 'account_invoice_line')]
+            domain=[
+                ('nd_id.ns_id.model_name', '=', 'account_invoice_line'),
+                ('nd_id.ns_id.ordering', '=', '2'),
+            ]
         ),
         'a3_id': fields.many2one(
             'analytic.code',
             "Analysis Code 3",
@@ -19,9 +25,12 @@
         ),
         'a3_id': fields.many2one(
             'analytic.code',
             "Analysis Code 3",
-            domain=[('nd_id.ns_id.model_name', '=', 'account_invoice_line')]
+            domain=[
+                ('nd_id.ns_id.model_name', '=', 'account_invoice_line'),
+                ('nd_id.ns_id.ordering', '=', '3'),
+            ]
         ),
         'a4_id': fields.many2one(
             'analytic.code',
             "Analysis Code 4",
@@ -24,9 +33,12 @@
         ),
         'a4_id': fields.many2one(
             'analytic.code',
             "Analysis Code 4",
-            domain=[('nd_id.ns_id.model_name', '=', 'account_invoice_line')]
+            domain=[
+                ('nd_id.ns_id.model_name', '=', 'account_invoice_line'),
+                ('nd_id.ns_id.ordering', '=', '4'),
+            ]
         ),
         'a5_id': fields.many2one(
             'analytic.code',
             "Analysis Code 5",
@@ -29,8 +41,11 @@
         ),
         'a5_id': fields.many2one(
             'analytic.code',
             "Analysis Code 5",
-            domain=[('nd_id.ns_id.model_name', '=', 'account_invoice_line')]
+            domain=[
+                ('nd_id.ns_id.model_name', '=', 'account_invoice_line'),
+                ('nd_id.ns_id.ordering', '=', '5'),
+            ]
         ),
     }