public InterpreterFrame() {
super("Simple Lisp Interpreter");
// Create the menu
menubar = buildMenuBar();
setJMenuBar(menubar);
// Create the toolbar
toolbar = buildToolBar();
// disable cut and copy actions
cutAction.setEnabled(false);
copyAction.setEnabled(false);
// Setup text area for editing source code
// and setup document listener so interpreter
// is notified when current file modified and
// when the cursor is moved.
textView = buildEditor();
textView.getDocument().addDocumentListener(this);
textView.addCaretListener(this);
// set default key bindings
bindKeyToCommand("ctrl C", "(buffer-copy)");
bindKeyToCommand("ctrl X", "(buffer-cut)");
bindKeyToCommand("ctrl V", "(buffer-paste)");
bindKeyToCommand("ctrl E", "(buffer-eval)");
bindKeyToCommand("ctrl O", "(file-open)");
bindKeyToCommand("ctrl S", "(file-save)");
bindKeyToCommand("ctrl Q", "(exit)");
// Give text view scrolling capability
Border border =
BorderFactory.createCompoundBorder(
BorderFactory.createEmptyBorder(3, 3, 3, 3),
BorderFactory.createLineBorder(Color.gray));
JScrollPane topSplit = addScrollers(textView);
topSplit.setBorder(border);
// Create tabbed pane for console/problems
consoleView = makeConsoleArea(10, 50, true);
problemsView = makeConsoleArea(10, 50, false);
tabbedPane = buildProblemsConsole();
// Plug the editor and problems/console together
// using a split pane. This allows one to change
// their relative size using the split-bar in
// between them.
splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, topSplit, tabbedPane);
// Create status bar
statusView = new JLabel(" Status");
lineNumberView = new JLabel("0:0");
statusbar = buildStatusBar();
// Now, create the outer panel which holds
// everything together
outerpanel = new JPanel();
outerpanel.setLayout(new BorderLayout());
outerpanel.add(toolbar, BorderLayout.PAGE_START);
outerpanel.add(splitPane, BorderLayout.CENTER);
outerpanel.add(statusbar, BorderLayout.SOUTH);
getContentPane().add(outerpanel);
// tell frame to fire a WindowsListener event
// but not to close when "x" button clicked.
setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
addWindowListener(this);
// set minimised icon to use
setIconImage(makeImageIcon("spi.png").getImage());
// setup additional internal functions
InternalFunctions.setup_internals(interpreter, this);
// set default window size
Component top = splitPane.getTopComponent();
Component bottom = splitPane.getBottomComponent();
top.setPreferredSize(new Dimension(100, 400));
bottom.setPreferredSize(new Dimension(100, 200));
pack();
// load + run user configuration file (if there is one)
String homedir = System.getProperty("user.home");
try {
interpreter.load(homedir + "/.simplelisp");
} catch (FileNotFoundException e) {
// do nothing if file does not exist!
System.out.println("Didn't find \"" + homedir + "/.simplelisp\"");
}
textView.grabFocus();
setVisible(true);
// redirect all I/O to problems/console
redirectIO();
// start highlighter thread
highlighter = new DisplayThread(250);
highlighter.setDaemon(true);
highlighter.start();
}
public DocumentPanel() {
super(new BorderLayout());
JLabel lblDocument = new JLabel("Document: " + document.getTitle());
lblDocument.setBorder(new EtchedBorder());
textPane = new JTextPane(document);
textPane.setEditable(false);
textPane.setMargin(new Insets(5, 20, 5, 5));
textPane.setMaximumSize(new Dimension(364, 1000000000));
textPane.setPreferredSize(new Dimension(364, 400));
textPane.setMinimumSize(new Dimension(364, 10));
textPane.addCaretListener(
new CaretListener() {
public void caretUpdate(CaretEvent e) {
int length = document.getLength();
int offset = e.getDot();
if (e.getDot() == e.getMark()) textPane.getCaret().moveDot(offset + 1);
Paragraph p = lockManager.getParFromOffset(offset);
int pOffset = p.getOffset();
lblCursor.setText(
"Document Length="
+ String.valueOf(length)
+ ", CaretOffset="
+ String.valueOf(offset)
+ ", Paragraph="
+ p.toString()
+ ", Offset in Paragraph="
+ String.valueOf(offset - p.getOffset()));
}
});
Box box = new Box(BoxLayout.X_AXIS);
box.add(textPane);
box.add(Box.createGlue());
box.setBackground(Color.WHITE);
box.setOpaque(true);
box.setPreferredSize(new Dimension(600, 10000));
lblCursor = new JLabel("Cursor");
lblCursor.setBorder(new EtchedBorder());
JPanel boxText = new JPanel(new BorderLayout());
boxText.setBorder(new EmptyBorder(5, 5, 5, 5));
boxText.add(lblDocument, BorderLayout.NORTH);
boxText.add(new JScrollPane(box), BorderLayout.CENTER);
boxText.add(lblCursor, BorderLayout.SOUTH);
JLabel lblPars = new JLabel("Paragraphs: ");
lblPars.setBorder(new EtchedBorder());
parList = new JList();
parList.setPreferredSize(new Dimension(100, 300));
parList.setEnabled(false);
JPanel boxPars = new JPanel(new BorderLayout());
boxPars.setBorder(new EmptyBorder(5, 5, 5, 5));
boxPars.add(lblPars, BorderLayout.NORTH);
boxPars.add(new JScrollPane(parList), BorderLayout.CENTER);
add(boxText, BorderLayout.CENTER);
add(boxPars, BorderLayout.EAST);
}