/public/wp-content/plugins/the-events-calendar/vendor/tickets/common/src/Tribe/Main.php

<?php
/**
 * Main Tribe Common class.
 */

// Don't load directly
if ( ! defined( 'ABSPATH' ) ) {
	die( '-1' );
}

if ( class_exists( 'Tribe__Main' ) ) {
	return;
}

class Tribe__Main {
	const EVENTSERROROPT      = '_tribe_events_errors';
	const OPTIONNAME          = 'tribe_events_calendar_options';
	const OPTIONNAMENETWORK   = 'tribe_events_calendar_network_options';

	const VERSION           = '4.1';
	const FEED_URL          = 'https://theeventscalendar.com/feed/';

	protected $plugin_context;
	protected $plugin_context_class;
	protected $doing_ajax = false;

	public static $tribe_url = 'http://tri.be/';
	public static $tec_url = 'http://theeventscalendar.com/';

	public $plugin_dir;
	public $plugin_path;
	public $plugin_url;

	/**
	 * constructor
	 */
	public function __construct( $context = null ) {
		if ( is_object( $context ) ) {
			$this->plugin_context = $context;
			$this->plugin_context_class = get_class( $context );
		}

		$this->plugin_path = trailingslashit( dirname( dirname( dirname( __FILE__ ) ) ) );
		$this->plugin_dir  = trailingslashit( basename( $this->plugin_path ) );
		$this->plugin_url  = plugins_url( $this->plugin_dir );

		$this->init_autoloading();

		$this->init_libraries();
		$this->add_hooks();

		$this->doing_ajax = defined( 'DOING_AJAX' ) && DOING_AJAX;
	}

	/**
	 * Get's the instantiated context of this class. I.e. the object that instantiated this one.
	 */
	public function context() {
		return $this->plugin_context;
	}

	/**
	 * Setup the autoloader for common files
	 */
	protected function init_autoloading() {
		if ( ! class_exists( 'Tribe__Autoloader' ) ) {
			require_once dirname( __FILE__ ) . '/Autoloader.php';
		}

		$prefixes = array( 'Tribe__' => dirname( __FILE__ ) );
		$autoloader = Tribe__Autoloader::instance();
		$autoloader->register_prefixes( $prefixes );
		$autoloader->register_autoloader();
	}

	/**
	 * Get's the class name of the instantiated plugin context of this class. I.e. the class name of the object that instantiated this one.
	 */
	public function context_class() {
		return $this->plugin_context_class;
	}

	/**
	 * initializes all required libraries
	 */
	public function init_libraries() {
		Tribe__Debug::instance();
		Tribe__Settings_Manager::instance();

		require_once $this->plugin_path . 'src/functions/template-tags/general.php';
		require_once $this->plugin_path . 'src/functions/template-tags/date.php';
	}

	/**
	 * Registers resources that can/should be enqueued
	 */
	public function register_resources() {
		$resources_url = plugins_url( 'src/resources', dirname( dirname( __FILE__ ) ) );

		wp_register_style(
			'tribe-common-admin',
			$resources_url . '/css/tribe-common-admin.css',
			array(),
			apply_filters( 'tribe_events_css_version', self::VERSION )
		);

		wp_register_script(
			'ba-dotimeout',
			$resources_url . '/js/jquery.ba-dotimeout.js',
			array(
				'jquery',
			),
			apply_filters( 'tribe_events_css_version', self::VERSION ),
			true
		);

		wp_register_script(
			'tribe-inline-bumpdown',
			$resources_url . '/js/inline-bumpdown.js',
			array(
				'ba-dotimeout',
			),
			apply_filters( 'tribe_events_css_version', self::VERSION ),
			true
		);

		wp_register_script(
			'tribe-notice-dismiss',
			$resources_url . '/js/notice-dismiss.js',
			array( 'jquery' ),
			apply_filters( 'tribe_events_css_version', self::VERSION ),
			true
		);
	}

	/**
	 * Registers vendor assets that can/should be enqueued
	 */
	public function register_vendor() {
		$vendor_base = plugins_url( 'vendor', dirname( dirname( __FILE__ ) ) );

		wp_register_style(
			'tribe-jquery-ui-theme',
			$vendor_base . '/jquery/ui.theme.css',
			array(),
			apply_filters( 'tribe_events_css_version', self::VERSION )
		);

		wp_register_style(
			'tribe-jquery-ui-datepicker',
			$vendor_base . '/jquery/ui.datepicker.css',
			array( 'tribe-jquery-ui-theme' ),
			apply_filters( 'tribe_events_css_version', self::VERSION )
		);

	}

	/**
	 * Adds core hooks
	 */
	public function add_hooks() {
		add_action( 'plugins_loaded', array( 'Tribe__App_Shop', 'instance' ) );

		add_action( 'init', array( $this, 'load_text_domain' ), 1 );

		// Register for the assets to be availble everywhere
		add_action( 'init', array( $this, 'register_resources' ), 1 );
		add_action( 'init', array( $this, 'register_vendor' ), 1 );

		// Enqueue only when needed (admin)
		add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts' ) );
	}

	/**
	 * Loads the textdomain
	 */
	public function load_text_domain() {
		$dir = basename( dirname( dirname( dirname( dirname( __FILE__ ) ) ) ) ) . '/common/lang/';
		load_plugin_textdomain( 'tribe-common', false, $dir );
	}

	public function admin_enqueue_scripts() {
		wp_enqueue_script( 'tribe-inline-bumpdown' );
		wp_enqueue_script( 'tribe-notice-dismiss' );
		wp_enqueue_style( 'tribe-common-admin' );

		$helper = Tribe__Admin__Helpers::instance();
		if ( $helper->is_post_type_screen() ) {
			wp_enqueue_style( 'tribe-jquery-ui-datepicker' );
		}
	}

	/**
	 * Returns the post types registered by Tribe plugins
	 */
	public static function get_post_types() {
		// we default the post type array to empty in tribe-common. Plugins like TEC add to it
		return apply_filters( 'tribe_post_types', array() );
	}

	/**
	 * Insert an array after a specified key within another array.
	 *
	 * @param $key
	 * @param $source_array
	 * @param $insert_array
	 *
	 * @return array
	 *
	 */
	public static function array_insert_after_key( $key, $source_array, $insert_array ) {
		if ( array_key_exists( $key, $source_array ) ) {
			$position     = array_search( $key, array_keys( $source_array ) ) + 1;
			$source_array = array_slice( $source_array, 0, $position, true ) + $insert_array + array_slice( $source_array, $position, null, true );
		} else {
			// If no key is found, then add it to the end of the array.
			$source_array += $insert_array;
		}

		return $source_array;
	}

	/**
	 * Insert an array immediately before a specified key within another array.
	 *
	 * @param $key
	 * @param $source_array
	 * @param $insert_array
	 *
	 * @return array
	 */
	public static function array_insert_before_key( $key, $source_array, $insert_array ) {
		if ( array_key_exists( $key, $source_array ) ) {
			$position     = array_search( $key, array_keys( $source_array ) );
			$source_array = array_slice( $source_array, 0, $position, true ) + $insert_array + array_slice( $source_array, $position, null, true );
		} else {
			// If no key is found, then add it to the end of the array.
			$source_array += $insert_array;
		}

		return $source_array;
	}

	/**
	 * Helper function for getting Post Id. Accepts null or a post id. If no $post object exists, returns false to avoid a PHP NOTICE
	 *
	 * @param int $post (optional)
	 *
	 * @return int post ID or False
	 */
	public static function post_id_helper( $post = null ) {
		if ( ! is_null( $post ) && is_numeric( $post ) > 0 ) {
			return (int) $post;
		} elseif ( is_object( $post ) && ! empty( $post->ID ) ) {
			return (int) $post->ID;
		} else {
			if ( ! empty( $GLOBALS['post'] ) && $GLOBALS['post'] instanceof WP_Post ) {
				return get_the_ID();
			} else {
				return false;
			}
		}
	}

	/**
	 * Helper function to indicate whether the current execution context is AJAX
	 *
	 * This method exists to allow us test code that behaves differently depending on the execution
	 * context.
	 *
	 * @since 4.0
	 * @return boolean
	 */
	public function doing_ajax( $doing_ajax = null ) {
		if ( ! is_null( $doing_ajax ) ) {
			$this->doing_ajax = $doing_ajax;
		}

		return $this->doing_ajax;
	}

	/**
	 * Static Singleton Factory Method
	 *
	 * @return Tribe__Main
	 */
	public static function instance() {
		static $instance;

		if ( ! $instance ) {
			$instance = new self;
		}

		return $instance;
	}
}