Correctly set xxx2many modified by on_change

set_on_change should not trigger any signal but it should register
the field as modified.

issue4968
review20391002

tryton/gui/window/view_form/model/field.py

@@ -454,11 +454,6 @@ class O2MField(Field):
 
     def __init__(self, attrs):
         super(O2MField, self).__init__(attrs)
-        self.in_on_change = False
-
-    def sig_changed(self, record):
-        if not self.in_on_change:
-            return super(O2MField, self).sig_changed(record)
 
     def _group_changed(self, group, record):
         if not record.parent:
@@ -661,11 +656,10 @@ class O2MField(Field):
         record.modified_fields.setdefault(self.name)
 
     def set_on_change(self, record, value):
+        record.modified_fields.setdefault(self.name)
         self._set_default_value(record)
         if isinstance(value, (list, tuple)):
             self._set_value(record, value)
-            record.modified_fields.setdefault(self.name)
-            record.signal('record-modified')
             return
 
         if value and (value.get('add') or value.get('update')):
@@ -703,8 +697,6 @@ class O2MField(Field):
                 new_record = record.value[self.name].new(default=False)
                 record.value[self.name].add(new_record, index, signal=False)
                 new_record.set_on_change(vals)
-            if value.get('add'):
-                record.value[self.name].signal('group-changed', new_record)
 
             for vals in value.get('update', []):
                 if 'id' not in vals:

tryton/gui/window/view_form/model/record.py

@@ -461,13 +461,9 @@ class Record(SignalEvent):
             self.signal('record-changed')
 
     def set_on_change(self, values):
-        later = {}
         for fieldname, value in values.items():
             if fieldname not in self.group.fields:
                 continue
-            if isinstance(self.group.fields[fieldname], fields.O2MField):
-                later[fieldname] = value
-                continue
             if isinstance(self.group.fields[fieldname], (fields.M2OField,
                         fields.ReferenceField)):
                 field_rec_name = fieldname + '.rec_name'
@@ -476,14 +472,6 @@ class Record(SignalEvent):
                 elif field_rec_name in self.value:
                     del self.value[field_rec_name]
             self.group.fields[fieldname].set_on_change(self, value)
-        for fieldname, value in later.items():
-            # on change recursion checking is done only for x2many
-            field_x2many = self.group.fields[fieldname]
-            try:
-                field_x2many.in_on_change = True
-                field_x2many.set_on_change(self, value)
-            finally:
-                field_x2many.in_on_change = False
 
     def reload(self, fields=None):
         if self.id < 0: