From e68bee9b84b16ee8a757a7a1f44d93f4ba78c656 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Scott=20Gonz=C3=A1lez?= Date: Tue, 31 Jul 2012 16:27:43 -0400 Subject: [PATCH] Mouse: Don't try to unbind delegated event handlers if they don't exist. Fixes #8416 - Draggable breaks during drag if any other draggable is removed or destroyed. --- ui/jquery.ui.mouse.js | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/ui/jquery.ui.mouse.js b/ui/jquery.ui.mouse.js index 6f95765f2..dc10d9401 100644 --- a/ui/jquery.ui.mouse.js +++ b/ui/jquery.ui.mouse.js @@ -47,9 +47,11 @@ $.widget("ui.mouse", { // other instances of mouse _mouseDestroy: function() { this.element.unbind('.'+this.widgetName); - $(document) - .unbind('mousemove.'+this.widgetName, this._mouseMoveDelegate) - .unbind('mouseup.'+this.widgetName, this._mouseUpDelegate); + if ( this._mouseMoveDelegate ) { + $(document) + .unbind('mousemove.'+this.widgetName, this._mouseMoveDelegate) + .unbind('mouseup.'+this.widgetName, this._mouseUpDelegate); + } }, _mouseDown: function(event) { -- 2.39.5