From: Elias Fleckenstein <eliasfleckenstein@web.de>
Date: Fri, 4 Jun 2021 16:21:25 +0000 (+0200)
Subject: Fix dblib.centerVertical when the parent element is the body
X-Git-Url: https://git.lizzy.rs/?a=commitdiff_plain;h=f2c5fa4710bd40c728fcef56498f87d83b203d1d;p=dragonblocks.git

Fix dblib.centerVertical when the parent element is the body
---

diff --git a/lib/dblib.js b/lib/dblib.js
index f167d51..df2189b 100755
--- a/lib/dblib.js
+++ b/lib/dblib.js
@@ -4,7 +4,10 @@ class dblib{
 		elem.style.left = elem.parentNode.clientWidth / 2 - parseInt(elem.clientWidth) / 2 + "px";
 	}
 	static centerVertical(elem){
-		elem.style.top = elem.parentNode.clientHeight / 2 - parseInt(elem.clientHeight) / 2 + "px";
+		let parent = elem.parentNode;
+		if (parent == document.body)
+			parent = document.documentElement;
+		elem.style.top = parent.clientHeight / 2 - parseInt(elem.clientHeight) / 2 + "px";
 	}
 	static remove(elem){
 		if(elem)
@@ -16,7 +19,7 @@ class dblib{
 	static humanFormat(str){
 		var str = str.replace("_", " ");
 		str = str[0].toUpperCase() + str.slice(1, str.length);
-		return str;	
+		return str;
 	}
 	static copy(dest, src){
 		for(let prop in src){
@@ -64,7 +67,7 @@ class dblib{
 			if(obj[prop] === search)
 				obj[prop] = replace;
 			else if(obj[prop] instanceof Object)
-				obj[prop] = this.replaceRecursive(obj[prop], search, replace); 
+				obj[prop] = this.replaceRecursive(obj[prop], search, replace);
 		}
 		return obj;
 	}