rilwis/meta-box

<?php
defined( 'ABSPATH' ) || die;

/**
 * The Button group.
 */
class RWMB_Button_Group_Field extends RWMB_Choice_Field {
    public static function admin_enqueue_scripts() {
        wp_enqueue_style( 'rwmb-button-group', RWMB_CSS_URL . 'button-group.css', [], RWMB_VER );
        wp_style_add_data( 'rwmb-button-group', 'path', RWMB_CSS_DIR . 'button-group.css' );
        wp_enqueue_script( 'rwmb-button-group', RWMB_JS_URL . 'button-group.js', [ 'rwmb' ], RWMB_VER, true );
    }

    /**
     * Get field HTML.
     *
     * @param mixed $meta  Meta value.
     * @param array $field Field parameters.
     * @return string
     */
    public static function html( $meta, $field ) {
        $options = self::transform_options( $field['options'] );
        $walker  = new RWMB_Walker_Input_List( $field, $meta );

        $output  = sprintf(
            '<fieldset class="rwmb-button-input-list %s">',
            $field['inline'] ? 'rwmb-inline' : ''
        );
        $output .= $walker->walk( $options, -1 );
        $output .= '</fieldset>';

        return $output;
    }

    /**
     * Normalize parameters for field.
     *
     * @param array $field Field parameters.
     *
     * @return array
     */
    public static function normalize( $field ) {
        $field = parent::normalize( $field );
        $field = wp_parse_args( $field, [
            'inline' => true,
        ] );

        $field = $field['multiple'] ? RWMB_Multiple_Values_Field::normalize( $field ) : $field;
        $field = RWMB_Input_Field::normalize( $field );

        $field['flatten'] = true;

        return $field;
    }

    /**
     * Get the attributes for a field.
     *
     * @param array $field Field parameters.
     * @param mixed $value Meta value.
     *
     * @return array
     */
    public static function get_attributes( $field, $value = null ) {
        $attributes          = RWMB_Input_Field::get_attributes( $field, $value );
        $attributes['id']    = false;
        $attributes['type']  = $field['multiple'] ? 'checkbox' : 'radio';
        $attributes['value'] = $value;

        return $attributes;
    }
}