Demonstrates how to add repeatable tabbed sections in meta boxes with Admin Page Framework.

admin-page-framework-demo-repeatable-tabbed-sections-inmeta-boxes.php

<?php
/* 
    Plugin Name:    Admin Page Framework Demo - Repeatable Tabbed Sections in Meta Boxes
    Plugin URI:     http://en.michaeluno.jp/admin-page-framework
    Description:    Demonstrates how to add repeatable tabbed sections in meta boxes with Admin Page Framework.
    Author:         Michael Uno
    Author URI:     http://michaeluno.jp
    Version:        1.0.0
    Requirements:   Admin Page Framework
*/

if ( ! class_exists( 'AdminPageFramework' ) ) {
    include_once( dirname( dirname( __FILE__ ) ) . '/admin-page-framework/development/admin-page-framework.php' );
    // include_once( dirname( dirname( __FILE__ ) ) . '/admin-page-framework/library/admin-page-framework.min.php' );
}

class APFDemo_RepeatableTabbedSectionsInMetaBoxes extends AdminPageFramework_MetaBox {
        
    /**
     * Do set-ups.
     */
    public function setUp() {
        
        /*
         * Create repetable tabbed sections.
         */    
        $this->addSettingSections(
            array(
                'section_id'        => 'repeatable_tabbed_sections_demo',
                'section_tab_slug'  => 'repeatable_tabbes_sections_demo',
                'title'             => __( 'Repeatable', 'admin-page-framework-demo' ),
                'description'       => __( 'It is possible to tab repeatable sections.', 'admin-page-framework-demo' ),
                'repeatable'        =>    true, // this makes the section repeatable
            )        
        );
        
        /*
         * Add form fields that belong to the repeatable section.
         */ 
         $this->addSettingFields(    
            'repeatable_tabbed_sections_demo',
            array(
                'field_id'      => 'tab_title',
                'type'          => 'section_title',
                'label'         => __( 'Name', 'admin-page-framework-demo' ),
                'attributes'    => array(
                    'size' => 10,
                ),
            ),     
            array(
                'field_id'      => 'text_field_in_tabbed_repeatable_section',
                'title'         => __( 'Text', 'admin-page-framework-demo' ),
                'type'          => 'text',
                'default'       => 'xyz',
            ),
            array(
                'field_id'      => 'repeatable_field_in_tabbed_repetable_section',
                'title'         => __( 'Repeatable', 'admin-page-framework-demo' ),
                'type'          => 'text',
                'repeatable'    =>    true,
            )
        );     
    }
    
}
if ( is_admin() ) {
    
    new APFDemo_RepeatableTabbedSectionsInMetaBoxes(
        null,  // meta box ID - can be null. If null is passed, the ID gets automatically generated and the class name with all lower case characters will be applied.
        __( 'Repeatable Section Tabs', 'admin-page-framework-demo' ), // title
        array( 'apf_posts' ),                               // post type slugs: post, page, etc.
        'normal',                                           // context (what kind of metabox this is)
        'default'                                           // priority
    );
    
}