[IMP] server_action_navigate

Co-authored-by: Holger Brunn <mail@hunki-enterprises.com>

[IMP] tests

server_action_navigate/models/ir_actions_server_navigate_line.py

@@ -2,7 +2,7 @@
 # @author: Sylvain LE GAL (https://twitter.com/legalsylvain)
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
-from odoo import fields, models
+from odoo import api, fields, models
 
 
 class IrActionsServerNavigateLine(models.Model):
@@ -10,14 +10,7 @@ class IrActionsServerNavigateLine(models.Model):
     _description = "Server Actions Navigation Lines"
     _order = "sequence"
 
-    sequence = fields.Integer(string="Sequence", default=9999)
-
-    sequence2 = fields.Integer(
-        related='sequence',
-        string="Line Number",
-        readonly=True,
-        store=True,
-    )
+    sequence = fields.Integer(string="Sequence", default=1)
 
     field_model = fields.Char(
         string="Model", related="field_id.relation", store=True)
@@ -29,3 +22,23 @@ class IrActionsServerNavigateLine(models.Model):
     field_id = fields.Many2one(
         comodel_name="ir.model.fields", string="Field",
         required=True)
+
+    # when adding a record, onchange is called for every field on the
+    # form, also in editable list views
+    @api.onchange('field_id')
+    def _onchange_field_id(self):
+        # check out the docstring of this in odoo/models.py
+        lines = self.action_id.resolve_2many_commands(
+            'navigate_line_ids',
+            self.env.context.get('navigate_line_ids', []),
+        )
+        lines = sum(map(self.new, lines), self.browse([]))
+        model = lines[-1:].field_id.relation or self.action_id.model_id.model
+        return {
+            'domain': {
+                'field_id': [
+                    ('ttype', 'in', ['many2one', 'one2many', 'many2many']),
+                    ('model', '=', model),
+                ],
+            }
+        }