protected void fileSaveXML() { JFileChooser chooser = null; if (currentFile == null) { chooser = new JFileChooser(startDirectory); } else { chooser = new JFileChooser(currentFile); } int returnVal = chooser.showSaveDialog(gw); if (returnVal == JFileChooser.APPROVE_OPTION) { currentFile = chooser.getSelectedFile(); generalXML.saveGraph(currentFile); } }