public void actionPerformed(ActionEvent ae) {
String cmd = ae.getActionCommand();
if (JOkCancelPanel.OK.equals(cmd)) {
// update evaluator
evaluator.name = tfName.getText();
evaluator.type = (byte) cbType.getSelectedIndex();
evaluator.ignoreDiagonals = cbDiagonals.isSelected();
evaluator.investments = (byte) cbInvestment.getSelectedIndex();
evaluator.orgFile = orgFile;
setVisible(false);
} else if (JOkCancelPanel.CANCEL.equals(cmd)) {
// don't update evaluator
setVisible(false);
} else if (CMD_CHOOSE_FILE.equals(cmd)) {
// get a file dialog
JFrame f = new JFrame();
JFileChooser jfc = Application.getFileChooser();
int res = jfc.showOpenDialog(f);
Application.setWorkingDirectory(jfc.getCurrentDirectory());
if (res == JFileChooser.CANCEL_OPTION) {
return;
}
orgFile = jfc.getSelectedFile();
lOrgFileName.setText("File: " + orgFile.getName());
}
}
public static void main(String args[]) {
try {
System.out.println("Type in a tiny exp folowed by one or two Ctrl-d's:");
Parser p = new Parser(new Lexer(new PushbackReader(new InputStreamReader(System.in), 1024)));
Start tree = p.parse();
NewEval.replaceUminus(tree);
/* pretty-print */
System.out.println("\nThe result of evaluating:");
PrettyPrinter.print(tree);
/* pre-eval to replace uminus */
/* evaluate */
System.out.print("\nis: ");
PrettyPrinter.print(Evaluator.eval(tree));
System.out.println("\n");
} catch (Exception e) {
System.out.println(e);
}
}
public Editor(JFrame parent, Evaluator evaluator) {
super(parent, "Structure");
setModal(true);
this.evaluator = evaluator;
getContentPane().setLayout(new BorderLayout());
// name and type
JPanel pNameType = new JPanel(new GridLayout(2, 1));
JPanel pName = new JPanel(new BorderLayout());
pName.add(new JLabel("Name: "), BorderLayout.WEST);
tfName = new JTextField(evaluator.getName());
pName.add(tfName, BorderLayout.CENTER);
pNameType.add(pName);
JPanel pType = new JPanel(new BorderLayout());
pType.add(new JLabel("Type: "), BorderLayout.WEST);
cbType = new JComboBox(types);
cbType.setEditable(false);
cbType.setSelectedIndex(evaluator.type);
cbType.addItemListener(this);
pType.add(cbType, BorderLayout.CENTER);
pNameType.add(pType);
getContentPane().add(pNameType, BorderLayout.NORTH);
// options panel
this.clOptions = new CardLayout();
this.pOptions = new JPanel(clOptions);
JPanel pConstraintRoot = new JPanel(new BorderLayout());
Box pConstraintOpts = new Box(BoxLayout.Y_AXIS);
JPanel pDiagonals = new JPanel(new BorderLayout());
cbDiagonals = new JCheckBox("Ignore Diagonals", evaluator.ignoreDiagonals);
pDiagonals.add(cbDiagonals, BorderLayout.CENTER);
pConstraintOpts.add(pDiagonals);
JPanel pInvestment = new JPanel(new BorderLayout());
pInvestment.add(new Label("Investments "), BorderLayout.WEST);
cbInvestment = new JComboBox(investments);
cbInvestment.setEditable(false);
cbInvestment.setSelectedIndex(evaluator.investments);
pInvestment.add(cbInvestment, BorderLayout.CENTER);
pConstraintOpts.add(pInvestment);
JPanel pOrganization = new JPanel(new GridLayout(2, 1));
lOrgFileName = new JLabel("File: <none selected>");
pOrganization.add(lOrgFileName);
JPanel pFileChoose = new JPanel(new FlowLayout(FlowLayout.CENTER));
JButton bFileChoose = new JButton("Choose File...");
bFileChoose.addActionListener(this);
bFileChoose.setActionCommand(CMD_CHOOSE_FILE);
pFileChoose.add(bFileChoose);
pOrganization.add(pFileChoose);
pConstraintOpts.add(pOrganization);
pConstraintRoot.add(pConstraintOpts, BorderLayout.NORTH);
pOptions.add(pConstraintRoot, types[CONSTRAINT]);
JPanel pSizeRoot = new JPanel(new BorderLayout());
pOptions.add(pSizeRoot, types[EFFECTIVE_SIZE]);
clOptions.first(pOptions);
getContentPane().add(BorderLayout.CENTER, pOptions);
// ok/cancel panel
JOkCancelPanel okCancelPanel = new JOkCancelPanel();
okCancelPanel.addActionListener(this);
getContentPane().add(BorderLayout.SOUTH, okCancelPanel);
pack();
}