From 1d04713e1ccdc852dff7ef554528003703e6c6e5 Mon Sep 17 00:00:00 2001
From: Cory ODaniel <cory@coryodaniel.com>
Date: Tue, 21 Apr 2020 13:38:26 -0700
Subject: [PATCH] tooltips

---
 diagrams/__init__.py | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/diagrams/__init__.py b/diagrams/__init__.py
index f3d3b589..3b180a9b 100644
--- a/diagrams/__init__.py
+++ b/diagrams/__init__.py
@@ -262,7 +262,7 @@ class Node:
 
     _height = 1.9
 
-    def __init__(self, label: str = "", URL: str = ""):
+    def __init__(self, label: str = "", URL: str = "", tooltip: str = ""):
         """Node represents a system component.
 
         :param label: Node label.
@@ -271,6 +271,7 @@ class Node:
         # Generates a hash for identifying a node.
         self._hash = self._rand_hash()
         self.label = label
+        self.attrs.update({"URL": URL, "tooltip": tooltip})        
 
         # fmt: off
         # If a node has an icon, increase the height slightly to avoid
@@ -284,9 +285,6 @@ class Node:
         } if self._icon else {}
         # fmt: on
 
-        if URL:
-            self.attrs.update({"URL": URL})
-
         # Node must be belong to a diagrams.
         self._diagram = getdiagram()
         if self._diagram is None: