@edu.umd.cs.findbugs.annotations.SuppressFBWarnings(
value = "DM_DEFAULT_ENCODING",
justification = "Can only be called from the same instance so default encoding OK")
private SystemConsole() {
// Record current System.out and System.err
// so that we can still send to them
originalOut = System.out;
originalErr = System.err;
// Create the console text area
console = new JTextArea();
// Setup the console text area
console.setRows(20);
console.setColumns(120);
console.setFont(new Font(fontFamily, fontStyle, fontSize));
console.setEditable(false);
setScheme(scheme);
setWrapStyle(wrapStyle);
this.outputStream = new PrintStream(outStream(STD_OUT), true);
this.errorStream = new PrintStream(outStream(STD_ERR), true);
// Then redirect to it
redirectSystemStreams();
}
/** Layout the console frame */
private void createFrame() {
// Use a JmriJFrame to ensure that we fit on the screen
frame = new JmriJFrame(Bundle.getMessage("TitleConsole"));
pref = jmri.InstanceManager.getDefault(jmri.UserPreferencesManager.class);
// Add Help menu (Windows menu automaitically added)
frame.addHelpMenu("package.apps.SystemConsole", true); // NOI18N
// Grab a reference to the system clipboard
final Clipboard clipboard = frame.getToolkit().getSystemClipboard();
// Setup the scroll pane
JScrollPane scroll = new JScrollPane(console);
frame.add(scroll, BorderLayout.CENTER);
// Add button to allow copy to clipboard
JPanel p = new JPanel();
JButton copy = new JButton(Bundle.getMessage("ButtonCopyClip"));
copy.addActionListener(
(ActionEvent event) -> {
StringSelection text = new StringSelection(console.getText());
clipboard.setContents(text, text);
});
p.add(copy);
// Add button to allow console window to be closed
JButton close = new JButton(Bundle.getMessage("ButtonClose"));
close.addActionListener(
(ActionEvent event) -> {
frame.setVisible(false);
frame.dispose();
});
p.add(close);
JButton stackTrace = new JButton(Bundle.getMessage("ButtonStackTrace"));
stackTrace.addActionListener(
(ActionEvent event) -> {
performStackTrace();
});
p.add(stackTrace);
// Add checkbox to enable/disable auto-scrolling
// Use the inverted SimplePreferenceState to default as enabled
p.add(
autoScroll =
new JCheckBox(
Bundle.getMessage("CheckBoxAutoScroll"),
!pref.getSimplePreferenceState(alwaysScrollCheck)));
autoScroll.addActionListener(
(ActionEvent event) -> {
doAutoScroll(console, autoScroll.isSelected());
pref.setSimplePreferenceState(alwaysScrollCheck, !autoScroll.isSelected());
});
// Add checkbox to enable/disable always on top
p.add(
alwaysOnTop =
new JCheckBox(
Bundle.getMessage("CheckBoxOnTop"),
pref.getSimplePreferenceState(alwaysOnTopCheck)));
alwaysOnTop.setVisible(true);
alwaysOnTop.setToolTipText(Bundle.getMessage("ToolTipOnTop"));
alwaysOnTop.addActionListener(
(ActionEvent event) -> {
frame.setAlwaysOnTop(alwaysOnTop.isSelected());
pref.setSimplePreferenceState(alwaysOnTopCheck, alwaysOnTop.isSelected());
});
frame.setAlwaysOnTop(alwaysOnTop.isSelected());
// Define the pop-up menu
copySelection = new JMenuItem(Bundle.getMessage("MenuItemCopy"));
copySelection.addActionListener(
(ActionEvent event) -> {
StringSelection text = new StringSelection(console.getSelectedText());
clipboard.setContents(text, text);
});
popup.add(copySelection);
JMenuItem menuItem = new JMenuItem(Bundle.getMessage("ButtonCopyClip"));
menuItem.addActionListener(
(ActionEvent event) -> {
StringSelection text = new StringSelection(console.getText());
clipboard.setContents(text, text);
});
popup.add(menuItem);
popup.add(new JSeparator());
JRadioButtonMenuItem rbMenuItem;
// Define the colour scheme sub-menu
schemeMenu = new JMenu(rbc.getString("ConsoleSchemeMenu"));
schemeGroup = new ButtonGroup();
for (final Scheme s : schemes) {
rbMenuItem = new JRadioButtonMenuItem(s.description);
rbMenuItem.addActionListener(
(ActionEvent event) -> {
setScheme(schemes.indexOf(s));
});
rbMenuItem.setSelected(getScheme() == schemes.indexOf(s));
schemeMenu.add(rbMenuItem);
schemeGroup.add(rbMenuItem);
}
popup.add(schemeMenu);
// Define the wrap style sub-menu
wrapMenu = new JMenu(rbc.getString("ConsoleWrapStyleMenu"));
wrapGroup = new ButtonGroup();
rbMenuItem = new JRadioButtonMenuItem(rbc.getString("ConsoleWrapStyleNone"));
rbMenuItem.addActionListener(
(ActionEvent event) -> {
setWrapStyle(WRAP_STYLE_NONE);
});
rbMenuItem.setSelected(getWrapStyle() == WRAP_STYLE_NONE);
wrapMenu.add(rbMenuItem);
wrapGroup.add(rbMenuItem);
rbMenuItem = new JRadioButtonMenuItem(rbc.getString("ConsoleWrapStyleLine"));
rbMenuItem.addActionListener(
(ActionEvent event) -> {
setWrapStyle(WRAP_STYLE_LINE);
});
rbMenuItem.setSelected(getWrapStyle() == WRAP_STYLE_LINE);
wrapMenu.add(rbMenuItem);
wrapGroup.add(rbMenuItem);
rbMenuItem = new JRadioButtonMenuItem(rbc.getString("ConsoleWrapStyleWord"));
rbMenuItem.addActionListener(
(ActionEvent event) -> {
setWrapStyle(WRAP_STYLE_WORD);
});
rbMenuItem.setSelected(getWrapStyle() == WRAP_STYLE_WORD);
wrapMenu.add(rbMenuItem);
wrapGroup.add(rbMenuItem);
popup.add(wrapMenu);
// Bind pop-up to objects
MouseListener popupListener = new PopupListener();
console.addMouseListener(popupListener);
frame.addMouseListener(popupListener);
// Add document listener to scroll to end when modified if required
console
.getDocument()
.addDocumentListener(
new DocumentListener() {
// References to the JTextArea and JCheckBox
// of this instantiation
JTextArea ta = console;
JCheckBox chk = autoScroll;
@Override
public void insertUpdate(DocumentEvent e) {
doAutoScroll(ta, chk.isSelected());
}
@Override
public void removeUpdate(DocumentEvent e) {
doAutoScroll(ta, chk.isSelected());
}
@Override
public void changedUpdate(DocumentEvent e) {
doAutoScroll(ta, chk.isSelected());
}
});
// Add the button panel to the frame & then arrange everything
frame.add(p, BorderLayout.SOUTH);
frame.pack();
}