third-party.php

<?php

/*
*  ACF 3rd Party Compatibility Class
*
*  All the logic for 3rd party functionality
*
*  @class       acf_third_party
*  @package     ACF
*  @subpackage  Core
*/

if ( ! class_exists( 'acf_third_party' ) ) :

	class acf_third_party {


		/*
		*  __construct
		*
		*  This function will setup the class functionality
		*
		*  @type    function
		*  @date    5/03/2014
		*  @since   5.0.0
		*
		*  @param   n/a
		*  @return  n/a
		*/

		function __construct() {

			// Tabify Edit Screen - http://wordpress.org/extend/plugins/tabify-edit-screen/
			if ( class_exists( 'Tabify_Edit_Screen' ) ) {
				add_filter( 'tabify_posttypes', array( $this, 'tabify_posttypes' ) );
				add_action( 'tabify_add_meta_boxes', array( $this, 'tabify_add_meta_boxes' ) );
			}

			// Post Type Switcher - http://wordpress.org/extend/plugins/post-type-switcher/
			if ( class_exists( 'Post_Type_Switcher' ) ) {
				add_filter( 'pts_allowed_pages', array( $this, 'pts_allowed_pages' ) );
			}

			// Event Espresso - https://wordpress.org/plugins/event-espresso-decaf/
			if ( function_exists( 'espresso_version' ) ) {
				add_filter( 'acf/get_post_types', array( $this, 'ee_get_post_types' ), 10, 2 );
			}

			// Dark Mode
			if ( class_exists( 'Dark_Mode' ) ) {
				add_action( 'doing_dark_mode', array( $this, 'doing_dark_mode' ) );
			}
		}


		/**
		 *  acf_get_post_types
		 *
		 *  EE post types do not use the native post.php edit page, but instead render their own.
		 *  Show the EE post types in lists where 'show_ui' is used.
		 *
		 *  @date    24/2/18
		 *  @since   5.6.9
		 *
		 *  @param   array $post_types
		 *  @param   array $args
		 *  @return  array
		 */

		function ee_get_post_types( $post_types, $args ) {

			if ( ! empty( $args['show_ui'] ) ) {
				$ee_post_types = get_post_types( array( 'show_ee_ui' => 1 ) );
				$ee_post_types = array_keys( $ee_post_types );
				$post_types    = array_merge( $post_types, $ee_post_types );
				$post_types    = array_unique( $post_types );
			}

			// return
			return $post_types;
		}


		/*
		*  tabify_posttypes
		*
		*  This function removes ACF post types from the tabify edit screen (post type selection sidebar)
		*
		*  @type    function
		*  @date    9/10/12
		*  @since   3.5.1
		*
		*  @param   $post_id (int)
		*  @return  $post_id (int)
		*/

		function tabify_posttypes( $posttypes ) {

			// unset
			unset( $posttypes['acf-field-group'] );
			unset( $posttypes['acf-field'] );

			// return
			return $posttypes;
		}


		/*
		*  tabify_add_meta_boxes
		*
		*  This function creates dummy metaboxes on the tabify edit screen page
		*
		*  @type    function
		*  @date    9/10/12
		*  @since   3.5.1
		*
		*  @param   $post_type (string)
		*  @return  n/a
		*/

		function tabify_add_meta_boxes( $post_type ) {

			// get field groups
			$field_groups = acf_get_field_groups();

			if ( ! empty( $field_groups ) ) {

				foreach ( $field_groups as $field_group ) {

					// vars
					$id    = "acf-{$field_group['key']}";
					$title = 'ACF: ' . $field_group['title'];

					// add meta box
					add_meta_box( $id, acf_esc_html( $title ), '__return_true', $post_type );

				}
			}

		}


		/*
		*  pts_allowed_pages
		*
		*  This filter will prevent PTS from running on the field group page!
		*
		*  @type    function
		*  @date    25/09/2014
		*  @since   5.0.0
		*
		*  @param   $pages (array)
		*  @return  $pages
		*/

		function pts_allowed_pages( $pages ) {

			// vars
			$post_type = '';

			// phpcs:disable WordPress.Security.NonceVerification.Recommended -- Verified elsewhere.
			// check $_GET because it is too early to use functions / global vars.
			if ( ! empty( $_GET['post_type'] ) ) {

				$post_type = sanitize_text_field( $_GET['post_type'] );

			} elseif ( ! empty( $_GET['post'] ) ) {

				$post_type = get_post_type( $_GET['post'] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Sanitized when get_post_type() calls get_post().

			}
			// phpcs:enable WordPress.Security.NonceVerification.Recommended
			// check post type
			if ( $post_type == 'acf-field-group' ) {

				$pages = array();

			}

			// return
			return $pages;

		}

		/**
		 *  doing_dark_mode
		 *
		 *  Runs during 'admin_enqueue_scripts' if dark mode is enabled
		 *
		 *  @date    13/8/18
		 *  @since   5.7.3
		 *
		 *  @param   void
		 *  @return  void
		 */

		function doing_dark_mode() {
			wp_enqueue_style( 'acf-dark', acf_get_url( 'assets/css/acf-dark.css' ), array(), ACF_VERSION );
		}

	}

	new acf_third_party();

endif;