From 70ce96b612d5c36134ec06e2339c05182542fe8f Mon Sep 17 00:00:00 2001
From: Alon Levy <alon@pobox.com>
Date: Sun, 12 Oct 2014 21:06:18 +0300
Subject: #63 don't move on node click

---
 scripts/rhizicore.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'scripts')

diff --git a/scripts/rhizicore.js b/scripts/rhizicore.js
index 9db4c4ac..71219d95 100644
--- a/scripts/rhizicore.js
+++ b/scripts/rhizicore.js
@@ -494,6 +494,7 @@ function myGraph(el) {
     function dragstarted(d) {
         d3.event.sourceEvent.stopPropagation();
         d3.select(this).classed("dragging", true);
+        d.dragstart = {clientX:d3.event.sourceEvent.clientX, clientY:d3.event.sourceEvent.clientY};
         force.stop();
     }
 
@@ -506,8 +507,11 @@ function myGraph(el) {
         d3.select(this).classed("dragging", false);
         d3.select(this).classed("fixed", true);
         d3.select(this).attr("dx", d3.event.x).attr("dy", d3.event.y);
-        tick();
-        force.resume();
+        if (d.dragstart.clientX - d3.event.sourceEvent.clientX != 0 ||
+            d.dragstart.clientY - d3.event.sourceEvent.clientY != 0) {
+            tick();
+            force.resume();
+        }
     }
 
     function load_from_json(json) {
-- 
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