function fnHandleKeyboardNavigation(oItem) {
			if (this._isIconOnly() && !this.isOpen()) {
				return;
			}

			if (oItem) {
				if (this.getSelectedItemId() !== oItem.getId()) {
					this.fireEvent("liveChange", {selectedItem: oItem});
				}
				this.setSelection(oItem);
				this.setValue(oItem.getText());
				this.scrollToItem(oItem);
			}
		}
This event is triggered prior to the opening of the <code>sap.m.SelectList</code>.
@since 1.130