private void deactivateButtons() // POST: Deactivates buttons that should not be pressed. { if (currentPage == 0) // if we are at the first page, disable leftTab { leftTab.deactivate(); } else // otherwise activate it { leftTab.activate(); } if (currentPage == totalPages - 1) // if we are at the last page, disable rightTab { rightTab.deactivate(); } else // otherwise activate it { rightTab.activate(); } if (itemSelected == -1) // if no item has been selected { buySellButton.deactivate(); } else // otherwise activate it { buySellButton.activate(); } if (!mode) // if we are in buying mode { buyTab.deactivate(); sellTab.activate(); } else // if we are in selling mode { sellTab.deactivate(); buyTab.activate(); } }