From: Richard Fairhurst <richard@systemeD.net>
Date: Sun, 9 Mar 2014 21:29:48 +0000 (+0000)
Subject: Firefox-friendly calculation of dragstart offset
X-Git-Tag: live~5136^2~18
X-Git-Url: https://git.openstreetmap.org./rails.git/commitdiff_plain/888db7a3b45a789b7e67e602a0002200a8219e18?hp=608ec07b1f356ac8f9e857d1a31b9eb94a2c79ab

Firefox-friendly calculation of dragstart offset
(personally I am not feeling very Firefox-friendly right now)
---

diff --git a/app/assets/javascripts/index.js b/app/assets/javascripts/index.js
index e5f6fe478..2b5f23ef1 100644
--- a/app/assets/javascripts/index.js
+++ b/app/assets/javascripts/index.js
@@ -361,8 +361,10 @@ $(document).ready(function () {
     $(".routing_marker").on('dragstart',function(e) {
       e.originalEvent.dataTransfer.effectAllowed = 'move';
       e.originalEvent.dataTransfer.setData('id', this.id);
-      e.originalEvent.dataTransfer.setData('offsetX', e.originalEvent.target.width/2 - (e.originalEvent.x-e.target.x));
-      e.originalEvent.dataTransfer.setData('offsetY', e.originalEvent.target.height  - (e.originalEvent.y-e.target.y));
+      var xo=e.originalEvent.clientX - $(e.target).offset().left;
+      var yo=e.originalEvent.clientY - $(e.target).offset().top;
+      e.originalEvent.dataTransfer.setData('offsetX', e.originalEvent.target.width/2 - xo);
+      e.originalEvent.dataTransfer.setData('offsetY', e.originalEvent.target.height  - yo);
     });
   });