// Close the window when the close box is clicked public void windowClosing(java.awt.event.WindowEvent e) { // check for various types of dirty - first table data not written back if (cvModel.decoderDirty() || variableModel.decoderDirty()) { if (JOptionPane.showConfirmDialog( null, "Some changes have not been written to the decoder. They will be lost. Close window?", "choose one", JOptionPane.OK_CANCEL_OPTION) == JOptionPane.CANCEL_OPTION) { return; } } if (variableModel.fileDirty()) { if (JOptionPane.showConfirmDialog( null, "Some changes have not been written to a configuration file. Close window?", "choose one", JOptionPane.OK_CANCEL_OPTION) == JOptionPane.CANCEL_OPTION) { return; } } modePane.dispose(); // OK, close super.windowClosing(e); }