From 20314d972544b41a826064aed3d97f9ac18876c1 Mon Sep 17 00:00:00 2001
From: Pavel Reznikov <pashka.reznikov@gmail.com>
Date: Fri, 5 Dec 2014 19:18:08 -0800
Subject: [PATCH] update gridstack.js

---
 gridstack.js | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/gridstack.js b/gridstack.js
index 7f04d20..38b94e6 100644
--- a/gridstack.js
+++ b/gridstack.js
@@ -64,15 +64,19 @@
                 if (n._updating || typeof n._orig_y == 'undefined' || n.y == n._orig_y)
                     return;
 
-                var collision_node = _.chain(this.nodes)
-                    .find(function (bn) {
-                        return n != bn && Utils.is_intercepted({x: n.x, y: n._orig_y, width: n.width, height: n.height}, bn);
-                    })
-                    .value();
+                var new_y = n.y;
+                while (new_y >= n._orig_y) {
+                    var collision_node = _.chain(this.nodes)
+                        .find(function (bn) {
+                            return n != bn && Utils.is_intercepted({x: n.x, y: new_y, width: n.width, height: n.height}, bn);
+                        })
+                        .value();
 
-                if (!collision_node) {
-                    n._dirty = true;
-                    n.y = n._orig_y;
+                    if (!collision_node) {
+                        n._dirty = true;
+                        n.y = new_y;
+                    }
+                    --new_y;
                 }
             }, this);
         }