From 0c424c2637a6b20b09f054839714ca1a70168412 Mon Sep 17 00:00:00 2001
From: d <dylan.weiss@gmail.com>
Date: Tue, 16 Aug 2016 14:36:02 -0400
Subject: [PATCH] Always call notify when removing a widget. Only remove the
 actual element if detachNode is not false. Update tests to reflect these
 changes.

---
 spec/gridstack-engine-spec.js | 24 +++++++++++++++++-------
 src/gridstack.js              | 17 +++++++++--------
 2 files changed, 26 insertions(+), 15 deletions(-)

diff --git a/spec/gridstack-engine-spec.js b/spec/gridstack-engine-spec.js
index 4bb3b0e..db52d2f 100644
--- a/spec/gridstack-engine-spec.js
+++ b/spec/gridstack-engine-spec.js
@@ -176,21 +176,31 @@ describe('gridstack engine', function() {
             expect(spy.callback).toHaveBeenCalledWith([
                 engine.nodes[0],
                 engine.nodes[1]
-            ]);
+            ], true);
         });
 
-        it('should by called with extra passed dirty nodes', function() {
-            var n1 = {idx: -1},
-                n2 = {idx: -2};
+        it('should by called with extra passed node to be removed', function() {
+            var n1 = {idx: -1};
 
-            engine._notify(n1, n2);
+            engine._notify(n1);
 
             expect(spy.callback).toHaveBeenCalledWith([
                 n1,
-                n2,
                 engine.nodes[0],
                 engine.nodes[1]
-            ]);
+            ], true);
+        });
+
+        it('should by called with extra passed node to be removed and should maintain false parameter', function() {
+            var n1 = {idx: -1};
+
+            engine._notify(n1, false);
+
+            expect(spy.callback).toHaveBeenCalledWith([
+                n1,
+                engine.nodes[0],
+                engine.nodes[1]
+            ], false);
         });
     });
 
diff --git a/src/gridstack.js b/src/gridstack.js
index 6fa9612..9ed863a 100644
--- a/src/gridstack.js
+++ b/src/gridstack.js
@@ -281,12 +281,14 @@
     };
 
     GridStackEngine.prototype._notify = function() {
+        var args = Array.prototype.slice.call(arguments, 0);
+        args[0] = typeof args[0] === 'undefined' ? [] : [args[0]];
+        args[1] = typeof args[1] === 'undefined' ? true : args[1];
         if (this._updateCounter) {
             return;
         }
-        var deletedNodes = Array.prototype.slice.call(arguments, 0);
-        deletedNodes = deletedNodes.concat(this.getDirtyNodes());
-        this.onchange(deletedNodes);
+        var deletedNodes = args[0].concat(this.getDirtyNodes());
+        this.onchange(deletedNodes, args[1]);
     };
 
     GridStackEngine.prototype.cleanNodes = function() {
@@ -345,9 +347,7 @@
         node._id = null;
         this.nodes = _.without(this.nodes, node);
         this._packNodes();
-        if (detachNode) {
-            this._notify(node);
-        }
+        this._notify(node, detachNode);
     };
 
     GridStackEngine.prototype.canMoveNode = function(node, x, y, width, height) {
@@ -578,10 +578,11 @@
 
         this._initStyles();
 
-        this.grid = new GridStackEngine(this.opts.width, function(nodes) {
+        this.grid = new GridStackEngine(this.opts.width, function(nodes, detachNode) {
+            detachNode = typeof detachNode === 'undefined' ? true : detachNode;
             var maxHeight = 0;
             _.each(nodes, function(n) {
-                if (n._id === null) {
+                if (detachNode && n._id === null) {
                     if (n.el) {
                         n.el.remove();
                     }