_editManager = EditManager.activeEditManager(UIMeta.getInstance(), session());
// register validation callback if necessary
Boolean editing = (Boolean)context.propertyForKey(UIMeta.KeyEditing);
if (editing != null && editing.booleanValue()) {
_object = context.values().get("object");
_contextSnapshot = context.snapshot();
// ToDo: Need to change error manager not to add dups
errorManager().registerFullValidationHandler(this);
}
}