class-plugin.php

<?php

/**
 * The core plugin class.
 *
 * This is used to define internationalization, admin-specific hooks, and
 * public-facing site hooks.
 *
 * Also maintains the unique identifier of this plugin as well as the current
 * version of the plugin.
 *
 * @since      1.0.0
 * @package    Plugin
 * @subpackage Plugin/includes
 * @author     Plugin_Author <email@example.com>
 */

if( ! class_exists( 'Plugin_Main' ) ) {

	class Plugin_Main {
	
		/**
		 * The loader that's responsible for maintaining and registering all hooks that power
		 * the plugin.
		 *
		 * @since    1.0.0
		 * @access   protected
		 * @var      Plugin_Loader    $loader    Maintains and registers all hooks for the plugin.
		 */
		protected $loader;
	
		/**
		 * The variables container object for the plugin.
		 *
		 * @since    1.0.0
		 * @access   private
		 * @var      object    $plugin    The plugin variables.
		 */
		private $plugin;
	
		/**
		 * Define the core functionality of the plugin.
		 *
		 * @since    1.0.0
		 */
		public function __construct( $plugin ) {
	
			$this->plugin = $plugin;
	
			$this->load_dependencies();
			$this->set_locale();
			$this->define_admin_hooks();
			$this->define_public_hooks();
	
		}
	
		/**
		 * Load the required dependencies for this plugin.
		 *
		 * Include the following files that make up the plugin:
		 *
		 * - Plugin_Loader. Orchestrates the hooks of the plugin.
		 * - Plugin_i18n. Defines internationalization functionality.
		 * - Plugin_Admin. Defines all hooks for the admin area.
		 * - Plugin_Public. Defines all hooks for the public side of the site.
		 *
		 * Create an instance of the loader which will be used to register the hooks
		 * with WordPress.
		 *
		 * @since    1.0.0
		 * @access   private
		 */
		private function load_dependencies() {
	
			/**
			 * The class responsible for orchestrating the actions and filters of the
			 * core plugin.
			 */
			require_once $this->plugin['path'] . 'includes/class-plugin-loader.php';
	
			/**
			 * The class responsible for defining internationalization functionality
			 * of the plugin.
			 */
			require_once $this->plugin['path'] . 'includes/class-plugin-i18n.php';
	
			/**
			 * The class responsible for defining all actions that occur in the admin area.
			 */
			require_once $this->plugin['path'] . 'admin/class-plugin-admin.php';
	
			/**
			 * The class responsible for settings in the admin area.
			 */
			require_once $this->plugin['path'] . 'admin/class-plugin-settings.php';

			/**
			 * The class responsible for custom post types.
			 */
			require_once $this->plugin['path'] . 'admin/class-plugin-types.php';

			/**
			 * The class responsible for custom metadata.
			 */
			require_once $this->plugin['path'] . 'admin/class-plugin-meta-boxes.php';
	
			/**
			 * The class responsible for defining all actions that occur in the public-facing
			 * side of the site.
			 */
			require_once $this->plugin['path'] . 'public/class-plugin-public.php';

			/**
			 * The class responsible for public views.
			 */
			require_once $this->plugin['path'] . 'public/class-plugin-views.php';

			/**
			 * The class responsible for public AJAX functionality.
			 */
			require_once $this->plugin['path'] . 'public/class-plugin-ajax.php';
	
			/**
			 * Initialize the plugin loader class.
			 */
			$this->loader = new Plugin_Loader();
	
		}
	
		/**
		 * Define the locale for this plugin for internationalization.
		 *
		 * Uses the Plugin_i18n class in order to set the domain and to register the hook
		 * with WordPress.
		 *
		 * @since    1.0.0
		 * @access   private
		 */
		private function set_locale() {
	
			$plugin_i18n = new Plugin_i18n();
	
			$this->loader->add_action( 'plugins_loaded', $plugin_i18n, 'load_plugin_textdomain' );
	
		}
	
		/**
		 * Register all of the hooks related to the admin area functionality
		 * of the plugin.
		 *
		 * @since    1.0.0
		 * @access   private
		 */
		private function define_admin_hooks() {
	
			/**
			 * Admin
			 */

			$plugin_admin = new Plugin_Admin( $this->plugin );
	
			// Enqueue the stylesheets.
			$this->loader->add_action( 'admin_enqueue_scripts', $plugin_admin, 'enqueue_styles' );
	
			// Enqueue the scripts.
			$this->loader->add_action( 'admin_enqueue_scripts', $plugin_admin, 'enqueue_scripts' );
	
			// Add the additional action links.
			$this->loader->add_filter( 'plugin_action_links_' . $this->plugin['basename'], $plugin_admin, 'action_links' );

			/**
			 * Settings
			 */

			$plugin_settings = new Plugin_Settings( $this->plugin );

			// Register the settings page.
			$this->loader->add_action( 'admin_menu', $plugin_settings, 'plugin_menu' );

			/**
			 * Post Types
			 */

			$plugin_types = new Plugin_Post_Types( $this->plugin );

			// Register the "item" post type.
			$this->loader->add_action( 'init', $plugin_types, 'register_type_item' );

			// Register the "item_category" taxonomy.
			$this->loader->add_action( 'init', $plugin_types, 'register_taxonomy_item_category' );

			/**
			 * Meta Boxes
			 */

			$plugin_meta = new Plugin_Meta_Boxes();

			// Register the meta boxes.
			$this->loader->add_action( 'add_meta_boxes', $plugin_meta, 'register_meta_boxes' );

			// Save the meta boxes.
			$this->loader->add_action( 'save_post', $plugin_meta, 'save_meta_boxes' );

		}
	
		/**
		 * Register all of the hooks related to the public-facing functionality
		 * of the plugin.
		 *
		 * @since    1.0.0
		 * @access   private
		 */
		private function define_public_hooks() {
	
			/**
			 * Public
			 */

			$plugin_public = new Plugin_Public( $this->plugin );
	
			// Enqueue the stylesheets.
			$this->loader->add_action( 'wp_enqueue_scripts', $plugin_public, 'enqueue_styles' );

			// Enqueue the scripts.
			$this->loader->add_action( 'wp_enqueue_scripts', $plugin_public, 'enqueue_scripts' );

			/**
			 * Views
			 */

			$plugin_views = new Plugin_Views( $this->plugin );

			// Setup the single template for the 'item' custom post type.
			$this->loader->add_filter( 'single_template', $plugin_views, 'template_item_single' );

			// Setup the archive template for the 'item' custom post type.
			$this->loader->add_filter( 'archive_template', $plugin_views, 'template_item_archive' );

			/**
			 * AJAX
			 */

			$plugin_ajax = new Plugin_Public_Ajax( $this->plugin );

			// Setup the public AJAX actions.
			$this->loader->add_action( 'wp_ajax_nopriv_callback', $plugin_ajax, 'callback' );
			$this->loader->add_action( 'wp_ajax_callback', $plugin_ajax, 'callback' );
	
		}
	
		/**
		 * Run the loader to execute all of the hooks with WordPress.
		 *
		 * @since    1.0.0
		 */
		public function run() {
			$this->loader->run();
		}
	
	}		

}