From 070308c25427ab0a288aa0222716f761e6cd7420 Mon Sep 17 00:00:00 2001
From: Bruno Meneguello <1322552+bkmeneguello@users.noreply.github.com>
Date: Tue, 29 Dec 2020 21:24:53 -0300
Subject: [PATCH] Better handling of multiline Cluster labels

---
 diagrams/__init__.py | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/diagrams/__init__.py b/diagrams/__init__.py
index 19b23152..ca84e75c 100644
--- a/diagrams/__init__.py
+++ b/diagrams/__init__.py
@@ -346,10 +346,12 @@ class Node(_Cluster):
 
         icon = self._load_icon()
         if icon:
-            self.dot.graph_attr["label"] = '<<TABLE border="0"><TR>'\
-                '<TD fixedsize="true" width="' + str(self._icon_size) + '" height="' + str(self._icon_size) + '">'\
-                '<IMG SRC="' + icon + '"></IMG></TD>'\
-                '<TD>' + html.escape(self.label) + '</TD></TR></TABLE>>'
+            lines = iter(html.escape(self.label).split("\n"))
+            self.dot.graph_attr["label"] = '<<TABLE border="0"><TR>' +\
+                f'<TD fixedsize="true" width="{self._icon_size}" height="{self._icon_size}"><IMG SRC="{icon}"></IMG></TD>' +\
+                f'<TD align="left">{next(lines)}</TD></TR>' +\
+                ''.join(f'<TR><TD colspan="2" align="left">{line}</TD></TR>' for line in lines) +\
+                '</TABLE>>'
 
         if not self._validate_direction(self._direction):
             raise ValueError(f'"{self._direction}" is not a valid direction')