public EditorConsolePane() {
super();
textArea = new JTextPane();
textArea.setEditorKit(new HTMLEditorKit());
textArea.setTransferHandler(new JTextPaneHTMLTransferHandler());
String css = PreferencesUser.getInstance().getConsoleCSS();
((HTMLEditorKit) textArea.getEditorKit()).getStyleSheet().addRule(css);
textArea.setEditable(false);
setLayout(new BorderLayout());
add(new JScrollPane(textArea), BorderLayout.CENTER);
if (ENABLE_IO_REDIRECT) {
Debug.log(3, "EditorConsolePane: starting redirection to message area");
int npipes = 2;
NUM_PIPES = npipes * ScriptRunner.scriptRunner.size();
pin = new PipedInputStream[NUM_PIPES];
reader = new Thread[NUM_PIPES];
for (int i = 0; i < NUM_PIPES; i++) {
pin[i] = new PipedInputStream();
}
int irunner = 0;
for (IScriptRunner srunner : ScriptRunner.scriptRunner.values()) {
Debug.log(3, "EditorConsolePane: redirection for %s", srunner.getName());
if (srunner.doSomethingSpecial(
"redirect", Arrays.copyOfRange(pin, irunner * npipes, irunner * npipes + 2))) {
Debug.log(3, "EditorConsolePane: redirection success for %s", srunner.getName());
quit = false; // signals the Threads that they should exit
// TODO Hack to avoid repeated redirect of stdout/err
ScriptRunner.systemRedirected = true;
// Starting two seperate threads to read from the PipedInputStreams
for (int i = irunner * npipes; i < irunner * npipes + npipes; i++) {
reader[i] = new Thread(this);
reader[i].setDaemon(true);
reader[i].start();
}
irunner++;
}
}
}
// Create the popup menu.
popup = new JPopupMenu();
JMenuItem menuItem = new JMenuItem("Clear messages");
// Add ActionListener that clears the textArea
menuItem.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
textArea.setText("");
}
});
popup.add(menuItem);
// Add listener to components that can bring up popup menus.
MouseListener popupListener = new PopupListener(popup);
textArea.addMouseListener(popupListener);
}
public static void main() {
// Main
frame = new JFrame("Java Playground");
frame.setSize(640, 480);
// Make sure the divider is properly resized
frame.addComponentListener(
new ComponentAdapter() {
public void componentResized(ComponentEvent c) {
splitter.setDividerLocation(.8);
}
});
// Make sure the JVM is reset on close
frame.addWindowListener(
new WindowAdapter() {
public void windowClosed(WindowEvent w) {
new FrameAction().kill();
}
});
// Setting up the keybinding
// Ctrl+k or Cmd+k -> compile
bind(KeyEvent.VK_K);
// Ctrl+e or Cmd+e -> console
bind(KeyEvent.VK_E);
// Save, New file, Open file, Print.
// Currently UNUSED until I figure out how normal java files and playground files will
// interface.
bind(KeyEvent.VK_S);
bind(KeyEvent.VK_N);
bind(KeyEvent.VK_O);
bind(KeyEvent.VK_P);
// Binds the keys to the action defined in the FrameAction class.
frame.getRootPane().getActionMap().put("console", new FrameAction());
// The main panel for typing code in.
text = new JTextPane();
textScroll = new JScrollPane(text);
textScroll.setBorder(null);
textScroll.setPreferredSize(new Dimension(640, 480));
// Document with syntax highlighting. Currently unfinished.
doc = text.getStyledDocument();
doc.addDocumentListener(
new DocumentListener() {
public void changedUpdate(DocumentEvent d) {}
public void insertUpdate(DocumentEvent d) {}
public void removeUpdate(DocumentEvent d) {}
});
((AbstractDocument) doc).setDocumentFilter(new NewLineFilter());
// The output log; a combination compiler warning/error/runtime error/output log.
outputText = new JTextPane();
outputScroll = new JScrollPane(outputText);
outputScroll.setBorder(null);
// "Constant" for the error font
error = new SimpleAttributeSet();
error.addAttribute(StyleConstants.CharacterConstants.Italic, Boolean.TRUE);
error.addAttribute(StyleConstants.Foreground, Color.RED);
// "Constant" for the warning message font
warning = new SimpleAttributeSet();
warning.addAttribute(StyleConstants.CharacterConstants.Italic, Boolean.TRUE);
warning.addAttribute(StyleConstants.Foreground, Color.PINK);
// "Constant" for the debugger error font
progErr = new SimpleAttributeSet();
progErr.addAttribute(StyleConstants.Foreground, Color.BLUE);
// Print streams to redirect System.out and System.err.
out = new TextOutputStream(outputText, null);
err = new TextOutputStream(outputText, error);
System.setOut(new PrintStream(out));
System.setErr(new PrintStream(err));
// Sets up the output log
outputText.setEditable(false);
outputScroll.setVisible(true);
// File input/output setup
chooser = new JFileChooser();
// Setting up miscellaneous stuff
compiler = ToolProvider.getSystemJavaCompiler();
JVMrunning = false;
redirectErr = null;
redirectOut = null;
redirectIn = null;
// Sets up the splitter pane and opens the program up
splitter = new JSplitPane(JSplitPane.VERTICAL_SPLIT, textScroll, outputScroll);
consoleDisplayed = false;
splitter.remove(outputScroll); // Initially hides terminal until it is needed
splitter.setOneTouchExpandable(true);
frame.add(splitter);
frame.setVisible(true);
// Sets the divider to the proper one, for debugging
// splitter.setDividerLocation(.8);
}