From: Tim Düsterhus <duesterhus@woltlab.com>
Date: Wed, 9 Dec 2020 13:49:11 +0000 (+0100)
Subject: Suppress enumeration that is part of the headline in ToC
X-Git-Tag: 5.4.0_Alpha_1~553^2
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4db2d4d78fce509a88e3e801cd53b67cd37bd71a;p=GitHub%2FWoltLab%2FWCF.git

Suppress enumeration that is part of the headline in ToC

Resolves #3757
---

diff --git a/wcfsetup/install/files/lib/system/html/toc/HtmlTocItem.class.php b/wcfsetup/install/files/lib/system/html/toc/HtmlTocItem.class.php
index 92b42fe7a8..213a3f35ef 100644
--- a/wcfsetup/install/files/lib/system/html/toc/HtmlTocItem.class.php
+++ b/wcfsetup/install/files/lib/system/html/toc/HtmlTocItem.class.php
@@ -46,7 +46,15 @@ class HtmlTocItem implements \Countable, \RecursiveIterator {
 	}
 	
 	public function getTitle() {
-		return $this->title;
+		return preg_replace_callback('/^\s*(\d+)([\.):]|\s*-)\s*/', function ($matches) {
+			// Strip of a enumeration prefix if the prefixed number matches
+			// the current offset within the ToC.
+			if ($this->getParent() && intval($matches[1]) === ($this->getParent()->position + 1)) {
+				return '';
+			}
+			
+			return $matches[0];
+		}, $this->title);
 	}
 	
 	public function setParent($parent) {