+ this.$input
+ // HACK: This widget just pretends to be a checkbox for visual purposes.
+ // In reality, all actions - setting to true or false, etc - are
+ // decided by the model, and executed by the controller. This means
+ // that we want to let the controller and model make the decision
+ // of whether to check/uncheck this checkboxInputWidget, and for that,
+ // we have to bypass the browser action that checks/unchecks it during
+ // click.
+ .on( 'click', false )
+ .on( 'change', this.onUserChange.bind( this ) );