function _handleKeyEvent(oEvent, oTargetDomRef){
			if (jQuery(oTargetDomRef).hasClass("sapUiUx3ExactLstFoc")) {
				return;
			}

			if (oTargetDomRef) {
				oTargetDomRef.focus();
			}
			oEvent.preventDefault();
			oEvent.stopPropagation();
		}
Called when a key is pressed.
@private