AbsolutePanel conditionsBoundaryPanel = new AbsolutePanel();
PickupDragController conditionsDragController = new PickupDragController( conditionsBoundaryPanel,
false );
conditionsDragController.setBehaviorConstrainedToBoundaryPanel( false );
VerticalPanelDropController conditionsDropController = new VerticalPanelDropController( conditionsPanel );
conditionsDragController.registerDropController( conditionsDropController );
//Add DnD container to main Conditions container
conditionsBoundaryPanel.add( conditionsPanel );
patternPanel.add( conditionsBoundaryPanel );