Remove colors attribute on tree view

issue4861
review16551003

move.py

@@ -15,7 +15,7 @@ from trytond.wizard import Wizard, StateTransition, StateView, StateAction, \
     StateReport, Button
 from trytond.report import Report
 from trytond import backend
-from trytond.pyson import Eval, Bool, PYSONEncoder, If
+from trytond.pyson import Eval, Bool, PYSONEncoder
 from trytond.transaction import Transaction
 from trytond.pool import Pool, PoolMeta
 from trytond.rpc import RPC
@@ -1482,8 +1482,8 @@ class Line(ModelSQL, ModelView):
                 return result
 
             xml = '<?xml version="1.0"?>\n' \
-                '<tree string="%s" editable="top" on_write="on_write" ' \
-                'colors="red:state==\'draft\'">\n' % title
+                '<tree string="%s" editable="top" on_write="on_write">\n' \
+                % title
             fields = set()
             for column in journal.view.columns:
                 fields.add(column.field.name)
@@ -1508,11 +1508,6 @@ class Line(ModelSQL, ModelView):
             result['fields'] = cls.fields_get(fields_names=list(fields))
         return result
 
-    @classmethod
-    def view_attributes(cls):
-        return [('/tree[@on_write="on_write"]', 'colors',
-                If(Eval('state') == 'draft', 'red', 'black'))]
-
     @classmethod
     def reconcile(cls, lines, journal=None, date=None, account=None,
             description=None):