Ext.ux.BoxReorderer: disable if container overflows

Ext.ux.BoxReorderer:_disable_if_container overflows.diff

--- BoxReorderer.js.orig	Wed Apr  2 19:15:32 2014
+++ BoxReorderer.js	Thu Apr 10 11:58:35 2014
@@ -76,11 +76,13 @@
         me.animatePolicy = {};
         me.animatePolicy[container.getLayout().names.x] = true;
 
-
+        // Disable if overflow
+        me.__overflow = false
 
         // Initialize the DD on first layout, when the innerCt has been created.
         me.container.on({
             scope: me,
+            overflowchange: me.overflowChange,
             boxready: me.onBoxReady,
             beforedestroy: me.onContainerDestroy
         });
@@ -97,6 +99,11 @@
         }
     },
 
+    overflowChange: function(){
+        //lastHiddenCount, hiddenCount, The, eOpts
+        this.__overflow = !!arguments[1];
+    },
+
     onBoxReady: function() {
         var me = this,
             layout = me.container.getLayout(),
@@ -107,7 +114,7 @@
         // TODO: Ext5's DD classes should apply config to themselves.
         // TODO: Ext5's DD classes should not use init internally because it collides with use as a plugin
         // TODO: Ext5's DD classes should be Observable.
-        // TODO: When all the above are trus, this plugin should extend the DD class.
+        // TODO: When all the above are true, this plugin should extend the DD class.
         dd = me.dd = new Ext.dd.DD(layout.innerCt, me.container.id + '-reorderer');
         Ext.apply(dd, {
             animate: me.animate,
@@ -140,7 +147,7 @@
         var cmp = this.getDragCmp(e);
 
         // If cmp is null, this expression MUST be coerced to boolean so that createInterceptor is able to test it against false
-        return !!(cmp && cmp.reorderable !== false);
+        return !this.__overflow && !!(cmp && cmp.reorderable !== false);
     },
 
     onMouseDown: function(e) {

updated to ext-5.0.0.736