From 34ef055d7b454cbee0fafae0cd082eb6dc8c64a2 Mon Sep 17 00:00:00 2001
From: Hiroyasu Nishiyama <hiroyasu.nishiyama.uq@hitachi.com>
Date: Thu, 28 Jan 2021 05:32:15 +0900
Subject: [PATCH] Fix line break of subflow label on palette (#2828)

* fix line break of subflow label on palette

* handle line break on palette
---
 .../@node-red/editor-client/src/js/ui/palette.js           | 7 ++++++-
 .../node_modules/@node-red/editor-client/src/js/ui/view.js | 2 +-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/palette.js b/packages/node_modules/@node-red/editor-client/src/js/ui/palette.js
index bd0b55cba..1a82a3e89 100755
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/palette.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/palette.js
@@ -97,13 +97,18 @@ RED.palette = (function() {
         label = RED.utils.sanitize(label);
 
 
-        var words = label.split(/[ -]/);
+        var words = label.split(/([ -]|\\n )/);
 
         var displayLines = [];
 
         var currentLine = "";
         for (var i=0;i<words.length;i++) {
             var word = words[i];
+            if (word === "\\n ") {
+                displayLines.push(currentLine);
+                currentLine = "";
+                continue;
+            }
             var sep = (i == 0) ? "" : " ";
             var newWidth = RED.view.calculateTextWidth(currentLine+sep+word, "red-ui-palette-label");
             if (newWidth < nodeWidth) {
diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/view.js b/packages/node_modules/@node-red/editor-client/src/js/ui/view.js
index 888871f4b..e6bf6476c 100755
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/view.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/view.js
@@ -2276,7 +2276,7 @@ RED.view = (function() {
     }
 
     function calculateTextWidth(str, className) {
-        var result=convertLineBreakCharacter(str);
+        var result = convertLineBreakCharacter(str);
         var width = 0;
         for (var i=0;i<result.length;i++) {
             var calculateTextW=calculateTextDimensions(result[i],className)[0];