Ticket #4835: 4835.diff

new file wordpress.org/public_html/wp-content/plugins/wporg-bbp-code-blocks/wporg-bbp-code-blocks-expand-contract.css

@@ +1 @@
+.wporg-bbp-code-tools {
+        margin-top: -24px;
+        margin-bottom: 24px;
+}
+
+#bbpress-forums div.bbp-reply-content a.wporg-bbp-code-expand,
+#bbpress-forums div.bbp-topic-content a.wporg-bbp-code-expand {
+        background: #f0f0f0;
+        display: inline-block;
+        border: 1px solid #ddd;
+        border-top: none;
+        padding: 3px 8px 3px 4px;
+        text-decoration: none;
+}
+
+.wporg-bbp-code-expand:before {
+        font: 400 16px/1 dashicons;
+        margin-right: 3px;
+        float: left;
+        padding-top: 3px;
+        content: "\f347";
+}
+
+.wporg-bbp-code-expand.wporg-bbp-code-expanded:before {
+        content: "\f343";
+}

new file wordpress.org/public_html/wp-content/plugins/wporg-bbp-code-blocks/wporg-bbp-code-blocks-expand-contract.js

@@ +1 @@
+jQuery(document).ready( function($) {
+        $( '.bbp-topic-content > pre > code, .bbp-reply-content > pre > code' ).each( function() {
+                var $el = $( this );
+
+                if ( typeof this.scrollHeight !== 'undefined' && $el.height() < this.scrollHeight ) {
+                        var btn = $( '<div class="wporg-bbp-code-tools"><a class="wporg-bbp-code-expand" href="#">Expand</a></div>' );
+
+                        btn.insertAfter( $el.closest( 'pre' ) )
+                }
+        });
+
+        $( '.wporg-bbp-code-expand' ).on( 'click', function(el) {
+                var pre = $( this ).closest( 'div' ).prev( 'pre' ),
+                        code = pre.find( 'code' ),
+                        heightGoal,
+                        maxHeightGoal,
+                        scrollGoal;
+
+                if ( $( this ).hasClass( 'wporg-bbp-code-expanded' ) ) {
+                        maxHeightGoal = pre.data( 'bbpInitHeight' );
+                        scrollGoal = pre.offset().top - 45;
+                } else {
+                        pre.data( 'bbpInitHeight', pre.css( 'max-height' ) );
+                        heightGoal = code.get( 0 ).scrollHeight;
+                        maxHeightGoal = 'none';
+                }
+
+                if ( typeof heightGoal !== 'undefined' ) {
+                        pre.css( 'max-height', maxHeightGoal );
+                        code.css( 'max-height', maxHeightGoal );
+                        code.animate( { height: heightGoal });
+                        $( this ).text( 'Contract' );
+                } else {
+                        $( [document.documentElement, document.body] ).animate({
+                                scrollTop: scrollGoal
+                            },
+                            600,
+                            'swing',
+                            function() {
+                                        pre.css( 'max-height', maxHeightGoal );
+                                        code.css( 'max-height', maxHeightGoal );
+                            }
+                    );
+
+                        $( this ).text( 'Expand' );
+                }
+
+                $( this ).toggleClass( 'wporg-bbp-code-expanded' );
+
+                return false;
+        });
+});
+ No newline at end of file

new file wordpress.org/public_html/wp-content/plugins/wporg-bbp-code-blocks/wporg-bbp-code-blocks.php

@@ +1 @@
+<?php
+/**
+ * Plugin Name: bbPress: Code blocks formatter
+ * Description: Convert wiki markup links into HTML WordPress Codex links.
+ * Version:     1.0
+ * Author:      WordPress.org
+ * Author URI:  https://wordpress.org/
+ * License:     GPLv2 or later
+ *
+ */
+
+/**
+ *      This program is free software; you can redistribute it and/or modify
+ *      it under the terms of the GNU General Public License, version 2, as
+ *      published by the Free Software Foundation.
+ *
+ *      This program is distributed in the hope that it will be useful,
+ *      but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *      GNU General Public License for more details.
+ *
+ *      You should have received a copy of the GNU General Public License
+ *      along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+if ( ! defined( 'ABSPATH' ) ) exit;
+
+if ( ! class_exists( 'WPORG_bbPress_Code_Blocks' ) ) {
+class WPORG_bbPress_Code_Blocks {
+        public function __construct() {
+                wp_enqueue_script( 'wporg-bbp-code-blocks-expand-contract', plugins_url( 'wporg-bbp-code-blocks-expand-contract.js', __FILE__ ), [ 'jquery' ], 1, true );
+                wp_enqueue_style( 'wporg-bbp-code-blocks-expand-contract', plugins_url( 'wporg-bbp-code-blocks-expand-contract.css', __FILE__ ), [], 1 );
+        }
+} }
+
+new WPORG_bbPress_Code_Blocks;