[IMP] added commit_value()

bzr revid: nicolas.vanhoren@openerp.com-20121030155313-g2cx14h4rl6zks6z

addons/web/static/src/js/view_form.js

@@ -1991,6 +1991,11 @@ instance.web.form.FieldInterface = {
      * Called when the translate button is clicked.
      */
     on_translate: function() {},
+    /**
+        This method is called by the form view before reading on_change values and before saving. It tells
+        the field to save its value before reading it using get_value(). Must return a deferred.
+    */
+    commit_value: function() {},
 };
 
 /**
@@ -2134,7 +2139,10 @@ instance.web.form.AbstractField = instance.web.form.FormWidget.extend(instance.w
         }
         this.$el.attr('style', style);
         this.$el.css('minHeight', height);
-    }
+    },
+    commit_value: function() {
+        return $.when();
+    },
 });
 
 /**