From 88e375c959cde08c707182f5effccacd5308a0d1 Mon Sep 17 00:00:00 2001
From: Alexander Ebert <ebert@woltlab.com>
Date: Wed, 7 Sep 2016 13:03:49 +0200
Subject: [PATCH] Fixed text alignment lost on new line

---
 .../redactor2/plugins/WoltLabKeydown.js       | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/wcfsetup/install/files/js/3rdParty/redactor2/plugins/WoltLabKeydown.js b/wcfsetup/install/files/js/3rdParty/redactor2/plugins/WoltLabKeydown.js
index 05b68f50cb..d774fb5849 100644
--- a/wcfsetup/install/files/js/3rdParty/redactor2/plugins/WoltLabKeydown.js
+++ b/wcfsetup/install/files/js/3rdParty/redactor2/plugins/WoltLabKeydown.js
@@ -37,6 +37,39 @@ $.Redactor.prototype.WoltLabKeydown = function() {
 				if (isBlockquote) this.keydown.blockquote = isBlockquote;
 			}).bind(this);
 			
+			this.keydown.replaceToParagraph = (function(tag) {
+				var blockElem = this.selection.block();
+				
+				var blockHtml = blockElem.innerHTML.replace(/<br\s?\/?>/gi, '');
+				if (blockElem.tagName === tag && this.utils.isEmpty(blockHtml) && !$(blockElem).hasClass('redactor-in'))
+				{
+					var p = document.createElement('p');
+					$(blockElem).replaceWith(p);
+					
+					// caret to p
+					var range = document.createRange();
+					range.setStart(p, 0);
+					
+					var textNode = document.createTextNode('\u200B');
+					
+					range.insertNode(textNode);
+					range.setStartAfter(textNode);
+					range.collapse(true);
+					
+					var sel = window.getSelection();
+					sel.removeAllRanges();
+					sel.addRange(range);
+					
+					return false;
+				}
+				else if (blockElem.tagName === 'P')
+				{
+					// WoltLab modification: do not remove class, preserving
+					// text alignment
+					$(blockElem)/*.removeAttr('class')*/.removeAttr('style');
+				}
+			}).bind(this);
+			
 			this.keydown.onShiftEnter = (function(e) {
 				this.buffer.set();
 				
-- 
2.20.1