json['palette'] = $this->palette; $this->json['choices']['alpha'] = ( isset( $this->choices['alpha'] ) && $this->choices['alpha'] ) ? 'true' : 'false'; $this->json['mode'] = $this->mode; } /** * An Underscore (JS) template for this control's content (but not its container). * * Class variables for this control class are available in the `data` JS object; * export custom variables by overriding {@see WP_Customize_Control::to_json()}. * * @see WP_Customize_Control::print_template() * * @access protected */ protected function content_template() { ?>