Gutenberg for Term Description

blocks-everywhere.php

@@ -16,6 +16,7 @@
 require_once __DIR__ . '/classes/handlers/class-bbpress.php';
 require_once __DIR__ . '/classes/handlers/class-buddypress.php';
 require_once __DIR__ . '/classes/handlers/class-comments.php';
+require_once __DIR__ . '/classes/handlers/class-terms.php';
 
 class Blocks_Everywhere {
 	const VERSION = '1.23.0';
@@ -72,6 +73,7 @@ public function load_handlers() {
 		$default_comments = defined( 'BLOCKS_EVERYWHERE_COMMENTS' ) ? BLOCKS_EVERYWHERE_COMMENTS : false;
 		$default_bbpress = defined( 'BLOCKS_EVERYWHERE_BBPRESS' ) ? BLOCKS_EVERYWHERE_BBPRESS : false;
 		$default_buddypress = defined( 'BLOCKS_EVERYWHERE_BUDDYPRESS' ) ? BLOCKS_EVERYWHERE_BUDDYPRESS : false;
+		$default_terms = defined( 'BLOCKS_EVERYWHERE_TERMS' ) ? BLOCKS_EVERYWHERE_TERMS : false;
 
 		if ( apply_filters( 'blocks_everywhere_comments', $default_comments ) ) {
 			$this->handlers['Comments'] = new Handler\Comments();
@@ -84,12 +86,16 @@ public function load_handlers() {
 		if ( apply_filters( 'blocks_everywhere_buddypress', $default_buddypress ) ) {
 			$this->handlers['BuddyPress'] = new Handler\BuddyPress();
 		}
+
+		if ( apply_filters( 'blocks_everywhere_terms', $default_terms ) ) {
+			$this->handlers['Terms'] = new Handler\Terms();
+		}
 	}
 
 	/**
 	 * Get the instantiated handler class for the specified type, or null if it isn't configured or known.
 	 *
-	 * @param 'Comments'|'bbPress'|'BuddyPress' $which The handler type.
+	 * @param 'Comments'|'bbPress'|'BuddyPress'|'Terms' $which The handler type.
 	 * @return Handler\Handler|null object or null it not configured.
 	 */
 	public function get_handler( $which ) {

classes/handlers/class-terms.php

@@ -0,0 +1,140 @@
+<?php
+
+namespace Automattic\Blocks_Everywhere\Handler;
+use WP_Block_Type;
+use WP_Block_Type_Registry;
+
+class Terms extends Handler {
+	/**
+	 * Constructor
+	 */
+
+	private $enabled_blocks;
+
+	public function __construct() {
+		parent::__construct();
+
+		/* Only users with the "publish_posts" capability can use this feature */
+		if ( current_user_can( 'publish_posts' ) ) {
+
+			/* Remove the filters which disallow HTML in term descriptions */
+			remove_filter( 'pre_term_description', 'wp_filter_kses' );
+			remove_filter( 'term_description', 'wp_kses_data' );
+
+			/* Add filters to disallow unsafe HTML tags */
+			if ( ! current_user_can( 'unfiltered_html' ) ) {
+				add_filter( 'pre_term_description', 'wp_kses_post' );
+				add_filter( 'term_description', 'wp_kses_post' );
+			}
+
+			add_action( 'current_screen', function() {
+
+				$this->enabled_blocks = array_values( array_map( function( $block ) {
+					return $block->name;
+				}, WP_Block_Type_Registry::get_instance()->get_all_registered() ) );
+
+				$this->enabled_blocks[] = 'blocks-everywhere/support-content';
+
+				/* Loop through the taxonomies, adding actions */
+				$taxonomies = get_taxonomies( [
+					'show_ui' => true,
+					'public' => true,
+				] );
+				foreach ( $taxonomies as $taxonomy ) {
+					add_action( $taxonomy . '_edit_form_fields', [ $this, 'add_to_terms_edit' ], 1, 2 );
+					add_action( $taxonomy . '_add_form_fields', [ $this, 'add_to_terms_add' ], 1, 1 );
+				}
+			} );
+
+		}
+
+		add_filter( 'pre_term_description', [ $this, 'remove_blocks' ] );
+
+		// Ensure blocks are processed when displaying
+		add_filter(
+			'term_description',
+			function( $content ) {
+				return $this->do_blocks( $content, 'term_description' );
+			},
+			8
+		);
+
+		add_filter( 'blocks_everywhere_editor_settings', [ $this, 'settings' ], 1, 1 );
+		add_filter( 'blocks_everywhere_allowed_blocks', [ $this, 'allowed_blocks' ], 1, 1 );
+
+		add_filter( 'body_class', [ $this, 'body_class' ] );
+
+	}
+
+	public function body_class( $classes ) {
+		$classes[] = 'gutenberg-support';
+
+		$can_upload = false;
+		if ( isset( $this->settings['editor']['hasUploadPermissions'] ) && $this->settings['editor']['hasUploadPermissions'] ) {
+			$can_upload = true;
+		}
+
+		if ( $can_upload ) {
+			$classes[] = 'gutenberg-support-upload';
+		}
+
+		return $classes;
+	}
+
+	public function can_show_admin_editor( $hook ) {
+		return false; //$hook === 'term.php';
+	}
+
+	public function get_editor_type() {
+		return 'core';
+	}
+
+	public function allowed_blocks( $blocks ) {
+		return $this->enabled_blocks;
+	}
+
+	public function settings( $settings ) {
+
+		$settings['iso']['moreMenu'] = array(
+			'editor' => true,
+			'fullscreen' => true,
+			'preview' => true,
+			'topToolbar' => true
+		);
+
+		$settings['iso']['sidebar'] = array(
+			'inserter'  => false,
+			'inspector' => false
+		);
+
+		$settings['editor']['hasUploadPermissions'] = true;
+		$settings['editor']['reusableBlocks'] = true;
+
+
+		return $settings;
+	}
+
+	/**
+	 * Get the HTML that the editor uses on the page
+	 *
+	 * @return void
+	 */
+	public function add_to_terms_edit() {
+		$this->load_editor( '#description' );
+	}
+
+	/**
+	 * Get the HTML that the editor uses on the page
+	 *
+	 * @return void
+	 */
+	public function add_to_terms_add() {
+		$this->load_editor( '#tag-description' );
+	}
+
+	public function wp_editor_settings( $settings ) {
+		$settings['tinymce'] = false;
+		$settings['quicktags'] = true;
+		return $settings;
+	}
+}

src/styles/style.scss

@@ -21,3 +21,4 @@
 @import "./comments.scss";
 @import "./bbpress.scss";
 @import "./editor.scss";
+@import "./terms.scss";

src/styles/terms.scss

@@ -0,0 +1,6 @@
+// Terms
+.gutenberg-support-loaded {
+	textarea#description, textarea#tag-description {
+		display: none;
+	}
+}