Force readonly on screen to override any states attributes

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

@@ -106,6 +106,8 @@ class CharField(object):
                         eval(state_changes[key], values)
             elif key in self.attrs:
                 self.get_state_attrs(model)[key] = self.attrs[key]
+        if model.mgroup.readonly:
+            self.get_state_attrs(model)['readonly'] = True
         if 'value' in state_changes:
             value = eval(state_changes['value'], values)
             if value:

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

@@ -68,7 +68,8 @@ class ModelList(list):
 
 class ModelRecordGroup(SignalEvent):
 
-    def __init__(self, resource, fields, window, ids=None, parent=None, context=None):
+    def __init__(self, resource, fields, window, ids=None, parent=None, context=None,
+            readonly=False):
         super(ModelRecordGroup, self).__init__()
         self.window = window
         self.parent = parent
@@ -84,6 +85,7 @@ class ModelRecordGroup(SignalEvent):
         self.load(ids)
         self.model_removed = []
         self.on_write = ''
+        self.readonly = readonly
 
     @staticmethod
     def mfields_load(fkeys, models):

tryton/gui/window/view_form/screen/screen.py

@@ -60,7 +60,8 @@ class Screen(SignalEvent):
         self.parent = parent
         self.window = window
         models = ModelRecordGroup(model_name, self.fields, self.window,
-                parent=self.parent, context=self.context)
+                parent=self.parent, context=self.context,
+                readonly=readonly)
         self.models_set(models)
         self.current_model = None
         self.screen_container = ScreenContainer()
@@ -69,7 +70,6 @@ class Screen(SignalEvent):
         self.__current_view = 0
         self.tree_saves = tree_saves
         self.limit = limit
-        self.readonly = readonly
         self.form = form
         self.fields_view_tree = None
         self.exclude_field = exclude_field
@@ -274,8 +274,6 @@ class Screen(SignalEvent):
                     attrs = node_attributes(node)
                     if attrs.get('widget', False):
                         attrs['type'] = attrs['widget']
-                    if self.readonly:
-                        attrs['readonly'] = 1
                     try:
                         fields[str(attrs['name'])].update(attrs)
                     except: