setup_actions();
}
return self::$instance;
}
protected function __construct() {
/** Don't do anything **/
}
protected function setup_actions() {
add_action( 'admin_init', array( self::$instance, 'action_admin_init' ) );
add_action( 'admin_menu', array( self::$instance, 'action_admin_menu' ) );
}
public function get_options() {
if ( empty( $this->options ) ) {
$this->options = get_option( self::SLUG );
}
return $this->options;
}
public function get_option( $key ) {
$this->get_options();
return isset( $this->options[ $key ] ) ? $this->options[ $key ] : null;
}
public function action_admin_init() {
register_setting( self::SLUG, self::SLUG, array( self::$instance, 'sanitize_options' ) );
add_settings_section( 'general', false, '__return_false', self::SLUG );
add_settings_field( 'notice', __( 'Notice', 'adn' ), array( self::$instance, 'field' ), self::SLUG, 'general', array( 'field' => 'notice', 'type' => 'textarea' ) );
add_settings_field( 'enabled', __( 'Enabled', 'adn' ), array( self::$instance, 'field' ), self::SLUG, 'general', array( 'field' => 'enabled', 'type' => 'checkbox' ) );
}
public function action_admin_menu() {
add_options_page( __( 'A Dashboard Notice', 'adn' ), __( 'A Dashboard Notice', 'adn' ), $this->options_capability, self::SLUG, array( self::$instance, 'view_settings_page' ) );
}
public function field( $args ) {
$args = wp_parse_args( $args, array(
'type' => 'text'
) );
if ( empty( $args['field'] ) ) {
return;
}
switch ( $args['type'] ) {
case 'textarea' :
printf(
'',
esc_attr( self::SLUG ),
esc_attr( $args['field'] ),
esc_html( $this->get_option( $args['field'] ) )
);
break;
case 'checkbox' :
printf(
'',
esc_attr( self::SLUG ),
esc_attr( $args['field'] ),
checked( $this->get_option( $args['field'] ), true, false )
);
break;
default:
printf(
'',
esc_attr( $args['type'] ),
esc_attr( self::SLUG ),
esc_attr( $args['field'] ),
esc_attr( $this->get_option( $args['field'] ) )
);
break;
}
}
public function sanitize_options( $in ) {
$out = array();
$out['enabled'] = isset( $in['enabled'] ) && $in['enabled'] === '1' ? 1 : 0;
$out['notice'] = isset( $in['notice'] ) ? sanitize_text_field( $in['notice'] ) : '';
return $out;
}
public function view_settings_page() {
?>