Custom Theme Types

custom-theme-types.php

<?php
/*
Plugin Name: Custom Theme Types
Plugin URI: http://bigwing.com
Description: Content Types and Meta Boxes
Author: BigWing Interactive
Version: 1.0.0
Requires at least: 4.1
Author URI: http://bigwing.com
Contributors: ronalfy, bigwing
*/
class Custom_Theme_Types {
	private static $instance = null;
	private $post_types      = '';
	
	//Singleton
	public static function get_instance() {
		if ( null == self::$instance ) {
			self::$instance = new self;
		}
		return self::$instance;
	} //end get_instance
	
	private function __construct() {
		add_action( 'init', array( &$this, 'init' ), 9 );
		add_action( 'cmb2_admin_init', array( &$this, 'custom_meta_boxes' ) );
		
		$this->post_types = array(
			'gallery',
		);
		
		require_once( 'class-cpt-sub-menus.php' );
		foreach( $this->post_types as $post_type ) {
			new Custom_Theme_CPT_Admin( $post_type );
		}
	} //end init	
	
	public function init() {
		$labels = array(
			'name'               => 'Galleries',
			'singular_name'      => 'Gallery',
			'menu_name'          => 'Galleries',
			'name_admin_bar'     => 'Galleries',
			'add_new'            => 'Add New',
			'add_new_item'       => 'Add New Gallery',
			'new_item'           => 'New Gallery',
			'edit_item'          => 'Edit Gallery',
			'view_item'          => 'View Gallery',
			'all_items'          => 'All Galleries',
			'search_items'       => 'Search Galleries',
			'parent_item_colon'  => 'Parent Gallery:',
			'not_found'          => 'No Galleries found.',
			'not_found_in_trash' => 'No Galleries in trash.'
		);
		register_post_type( 'gallery', array(
			'public'        => true,
			'label'         => 'Galleries',
			'labels'        => $labels,
			'hierarchical'  => false,
			'menu_position' => 20,
			'menu_icon'     => 'dashicons-format-image',
			'supports'      => array( 'title', 'page-attributes' ),
			'has_archive'   => true,
			'rewrite'       => array(
				'slug'       => 'gallery',
				'with_front' => false,
			)
		) );
	}
	
	public function custom_meta_boxes() {
        $cmb = new_cmb2_box( array(
            'id'            => 'galleries',
            'title'         => 'Gallery Images',
            'object_types'  => array( 'gallery' ), // Post type
            'context'       => 'normal',
            'priority'      => 'high',
            'show_names'    => true, // Show field names on the left
            // 'cmb_styles' => false, // false to disable the CMB stylesheet
            // 'closed'     => true, // Keep the metabox closed by default
        ) );
        $cmb->add_field( array(
        'name' => 'Gallery Files',
        'desc' => '',
        'id'   => '_gallery_list',
        'type' => 'file_list',
        // 'preview_size' => array( 100, 100 ), // Default: array( 50, 50 )
        // Optional, override default text strings
        'text' => array(
            'add_upload_files_text' => 'Gallery Image', // default: "Add or Upload Files"
            'remove_image_text' => 'Gallery Image', // default: "Remove Image"
            'file_text' => 'Gallery Image', // default: "File:"
            'file_download_text' => 'Gallery Image', // default: "Download"
            'remove_text' => 'Gallery Image', // default: "Remove"
            ),
        ) );
	}
}

add_action( 'plugins_loaded', 'custom_theme_instantiate' );
function custom_theme_instantiate() {
	Custom_Theme_Types::get_instance();
} //end braumstypes_instantiate