Droppable: Added dragStart and dragStop to ddmanager and call them from draggable to recalculate droppable positions after a drag causes a scroll. Fixes #5003 - Scroll on Droppable Demo Breaks Demo

1 files changed, 7 insertions, 0 deletions

diff --git a/ui/jquery.ui.draggable.js b/ui/jquery.ui.draggable.js
index c16833eb0..f8c187a7a 100644
--- a/ui/jquery.ui.draggable.js
+++ b/ui/jquery.ui.draggable.js
@@ -163,6 +163,10 @@ $.widget("ui.draggable", $.ui.mouse, {
 
 		this.helper.addClass("ui-draggable-dragging");
 		this._mouseDrag(event, true); //Execute the drag once - this causes the helper not to be visible before getting its correct position
+		
+		//If the ddmanager is used for droppables, inform the manager that dragging has started (see #5003)
+		if ( $.ui.ddmanager ) $.ui.ddmanager.dragStart(this, event);
+		
 		return true;
 	},
 
@@ -229,6 +233,9 @@ $.widget("ui.draggable", $.ui.mouse, {
 			}); //Remove frame helpers
 		}
 		
+		//If the ddmanager is used for droppables, inform the manager that dragging has stopped (see #5003)
+		if( $.ui.ddmanager ) $.ui.ddmanager.dragStop(this, event);
+		
 		return $.ui.mouse.prototype._mouseUp.call(this, event);
 	},