From 712cba98a028043aa329e89bba918519caeacfef Mon Sep 17 00:00:00 2001
From: Alexander Ebert <ebert@woltlab.com>
Date: Thu, 25 Aug 2016 11:52:41 +0200
Subject: [PATCH] Fixed empty paragraphs after paste

---
 com.woltlab.wcf/templates/wysiwyg.tpl         |  2 ++
 .../redactor2/plugins/WoltLabInsert.js        | 24 +++++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 wcfsetup/install/files/js/3rdParty/redactor2/plugins/WoltLabInsert.js

diff --git a/com.woltlab.wcf/templates/wysiwyg.tpl b/com.woltlab.wcf/templates/wysiwyg.tpl
index 4abf9700cb..c26711b263 100644
--- a/com.woltlab.wcf/templates/wysiwyg.tpl
+++ b/com.woltlab.wcf/templates/wysiwyg.tpl
@@ -21,6 +21,7 @@
 			'{@$__wcf->getPath()}js/3rdParty/redactor2/plugins/WoltLabEvent.js?v={@LAST_UPDATE_TIME}',
 			'{@$__wcf->getPath()}js/3rdParty/redactor2/plugins/WoltLabImage.js?v={@LAST_UPDATE_TIME}',
 			'{@$__wcf->getPath()}js/3rdParty/redactor2/plugins/WoltLabInlineCode.js?v={@LAST_UPDATE_TIME}',
+			'{@$__wcf->getPath()}js/3rdParty/redactor2/plugins/WoltLabInsert.js?v={@LAST_UPDATE_TIME}',
 			'{@$__wcf->getPath()}js/3rdParty/redactor2/plugins/WoltLabKeydown.js?v={@LAST_UPDATE_TIME}',
 			'{@$__wcf->getPath()}js/3rdParty/redactor2/plugins/WoltLabLink.js?v={@LAST_UPDATE_TIME}',
 			'{@$__wcf->getPath()}js/3rdParty/redactor2/plugins/WoltLabMedia.js?v={@LAST_UPDATE_TIME}',
@@ -171,6 +172,7 @@
 					'WoltLabEvent',
 					'WoltLabImage',
 					'WoltLabInlineCode',
+					'WoltLabInsert',
 					'WoltLabLink',
 					'WoltLabModal',
 					'WoltLabPaste',
diff --git a/wcfsetup/install/files/js/3rdParty/redactor2/plugins/WoltLabInsert.js b/wcfsetup/install/files/js/3rdParty/redactor2/plugins/WoltLabInsert.js
new file mode 100644
index 0000000000..2a220a5051
--- /dev/null
+++ b/wcfsetup/install/files/js/3rdParty/redactor2/plugins/WoltLabInsert.js
@@ -0,0 +1,24 @@
+$.Redactor.prototype.WoltLabInsert = function() {
+	"use strict";
+	
+	return {
+		init: function () {
+			var mpHtml = this.insert.html;
+			this.insert.html = (function (html, data) {
+				this.placeholder.hide();
+				this.core.editor().focus();
+				
+				/** @var Element */
+				var block = this.selection.block();
+				
+				mpHtml.call(this, html, data);
+				
+				if (block && block.nodeName === 'P' && block.nextElementSibling && !block.childElementCount && block.textContent.replace(/\u200B/g, '').trim() === '') {
+					// inserting HTML tends to cause new paragraphs inserted
+					// rather than using the current, empty one
+					elRemove(block);
+				}
+			}).bind(this);
+		}
+	};
+};
-- 
2.20.1