From edc30ad41c3c4b2b4f3a81a578882b4f4d5827b6 Mon Sep 17 00:00:00 2001
From: Nikita Mashukov <mashukovnikita@gmail.com>
Date: Fri, 20 Oct 2017 20:20:42 +0700
Subject: [PATCH] no prevent the copy event when there is selected text

---
 modules/behavior/copy.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/modules/behavior/copy.js b/modules/behavior/copy.js
index 34e5ac88f..73fe16b5e 100644
--- a/modules/behavior/copy.js
+++ b/modules/behavior/copy.js
@@ -48,7 +48,7 @@ export function behaviorCopy(context) {
 
 
     function doCopy() {
-        d3_event.preventDefault();
+        if (!getSelectionText()) d3_event.preventDefault();
 
         var graph = context.graph(),
             selected = groupEntities(context.selectedIDs(), graph),
@@ -87,6 +87,9 @@ export function behaviorCopy(context) {
         return copy;
     }
 
+    function getSelectionText() {
+        return window.getSelection().toString();
+    }
 
     copy.off = function() {
         d3_select(document).call(keybinding.off);