plugin.php

<?php
/**
 * Plugin Name: Mayflower Blocks (G4)
 * Plugin URI: https://github.com/bellevuecollege/mayflower-blocks
 * Description: Companion Gutenberg Blocks for BC Mayflower Theme
 * Author: BC Integration (Taija, Angela, Elizabeth)
 * Author URI: https://www.bellevuecollege.edu
 * Version: 3.6.0 #{versionStamp}#
 * License: GPL2+
 * License URI: http://www.gnu.org/licenses/gpl-2.0.txt
 *
 */

// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Theme Names that are supported by this plugin.
 */
$mbg4_enabled_themes = array(
	'Mayflower G4',
	'Mayflower G5',
	'Bellevue 2022',
	'BC "Douglas Fir" Theme',
	'BC "Sitka Spruce" Department Theme',
);

/**
 * Enable this plugin for supported themes only.
 */
$mbg4_current_theme = wp_get_theme(); // gets the current theme!
foreach ( $mbg4_enabled_themes as $mbg4_enabled_theme ) {
	if ( $mbg4_enabled_theme === $mbg4_current_theme->name || $mbg4_enabled_theme === $mbg4_current_theme->parent_theme ) {
		/**
		 * Block Initializer.
		 */
		add_action( 'init', 'mg4_blocks_init' );
		add_filter( 'block_categories_all', 'mbg4_block_categories', 10, 2 );
		// Exit loop
		break;
	}
}

/**
 * Load the blocks!
 *
 * Note- all blocks must be registered here.
 *
 * @return void
 */
function mg4_blocks_init() {
	/** List of blocks - should match folder names */

	// Dynamic Blocks.
	if ( wp_get_theme()->name !== 'Bellevue 2022' ) {
		mbg4_register_block( 'child-pages', true );
	}
	mbg4_register_block( 'course', true );

	// Static Blocks.
	mbg4_register_block( 'alert' );
	mbg4_register_block( 'button' );
	mbg4_register_block( 'button-group' );
	mbg4_register_block( 'panel' );
	mbg4_register_block( 'jumbotron' );
	mbg4_register_block( 'lead' );
	mbg4_register_block( 'well' );

	// Multi-Block Structures
	// Blocks for Row/Columns.
	mbg4_register_block( 'row' );
	mbg4_register_block( 'column' );

	// All the blocks for the Tab block.
	mbg4_register_block( 'tab-content-panel' );
	mbg4_register_block( 'tab-content' );
	mbg4_register_block( 'tab-list-tab' );
	mbg4_register_block( 'tab-list' );
	mbg4_register_block( 'tabs' );

	// Blocks for the Collapse block.
	mbg4_register_block( 'collapse' );
	mbg4_register_block( 'collapsibles' );

	// Specialized Blocks.

	/**
	 * Register Staff List block if Mayflower is active and Staff List is enabled.
	 */
	if ( function_exists( 'mayflower_get_option' ) && true === mayflower_get_option( 'staff_toggle' ) ) {
		mbg4_register_block( 'staff-list', true );
	}

	/**
	 * Only Register TablePress block if TablePress is active.
	 */
	if ( ! function_exists( 'is_plugin_active' ) ) {
		include_once ABSPATH . 'wp-admin/includes/plugin.php';
	}

	if ( is_plugin_active( 'tablepress/tablepress.php' ) ) {
		mbg4_register_block( 'tablepress', true );
	}

}

/**
 * Register blocks
 *
 * @param string  $block_name Name of the block.
 * @param boolean $dynamic Is the block dynamic?
 * @return void
 *
 * Registers static and dynamic blocks
 */
function mbg4_register_block( $block_name, $dynamic = false ) {
	$path = dirname( __FILE__ ) . "/build/$block_name";
	if ( $dynamic ) {
		require "src/$block_name/block.php";
		register_block_type(
			"$path/block.json",
			array(
				'render_callback' => 'mbg4_' . str_replace( '-', '_', $block_name ) . '_callback',
			)
		);
	} else {
		register_block_type( "$path/block.json" );
	}
}


/**
 * Create a 'Bootstrap Blocks' category
 *
 * @param array  $categories Array of categories.
 * @param object $post Post object.
 * @return string
 */
function mbg4_block_categories( $categories, $post ) {
	return array_merge(
		$categories,
		array(
			array(
				'slug'  => 'bootstrap-blocks',
				'title' => __( 'Bootstrap Blocks', 'bootstrap-blocks' ),
				'icon'  => 'editor-bold',
			),
		)
	);
}

/**
 * Filter WP KSES to allow required ARIA attributes.
 *
 * Allow aria-controls in post content
 *
 * @param array  $tags Array of allowed tags.
 * @param string $context Context of the tags.
 * @return array
 */
function mbg4_allow_aria_attributes( $tags, $context ) {
	$tags['a']['aria-controls'] = true;
	$tags['a']['aria-expanded'] = true;
	$tags['a']['aria-disabled'] = true;

	$tags['button']['aria-controls'] = true;
	$tags['button']['aria-expanded'] = true;
	$tags['button']['aria-disabled'] = true;
	return $tags;
}
add_filter( 'wp_kses_allowed_html', 'mbg4_allow_aria_attributes', 10, 2 );

// Make the `tablepress_tables option available via REST api to allow table lookup by post ID
add_action( 'rest_api_init', function () {
	register_rest_route( 'mayflower-blocks/v1', '/tableid-by-postid/(?P<id>\d+)', array(
		'methods' => 'GET',
		'callback' => 'mbg4_table_callback',
		'args' => array(
			'id' => array(
				'required' => true,
				'type' => 'integer',
			),
		),


		'permission_callback' => function () {
			return current_user_can( 'edit_posts' );
		}
	) );
} );

/**
 * Callback function for retrieving a TablePress table ID by post ID via REST API.
 *
 * @param array $request The REST API request data, should contain 'postid'.
 * @return mixed The TablePress table ID corresponding to the given post ID, or null if not found.
 */
function mbg4_table_callback( $request  ) {
	$id = $request['id'];
	if ( ! $id ) {
		return null;
	}

	$table_option = json_decode( get_option( 'tablepress_tables' ) );
	foreach ( $table_option->table_post as $key => $value ) {
		if ( $value == $id ) {
			return array( 'tableId' => $key );
		}
	}

	return array( 'tableId' => false );

}