/**
* Add undo/redo support to a text component. Undo is bound to "ctrl-z", redo to "ctrl-y".
*
* @param textcomp The text component.
*/
public static void addUndoSupport(JTextComponent textcomp) {
// Based on
// http://www.exampledepot.com/egs/javax.swing.undo/UndoText.html
final UndoManager undo = new UndoManager();
Document doc = textcomp.getDocument();
// Listen for undo and redo events
doc.addUndoableEditListener(
new UndoableEditListener() {
public void undoableEditHappened(UndoableEditEvent evt) {
undo.addEdit(evt.getEdit());
}
});
// Create an undo action and add it to the text component
textcomp
.getActionMap()
.put(
"Undo",
new AbstractAction("Undo") {
private static final long serialVersionUID = -1616574389415095169L;
public void actionPerformed(ActionEvent evt) {
try {
if (undo.canUndo()) {
undo.undo();
}
} catch (CannotUndoException e) {
}
}
});
// Bind the undo action to ctl-Z
textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Z"), "Undo");
// Create a redo action and add it to the text component
textcomp
.getActionMap()
.put(
"Redo",
new AbstractAction("Redo") {
private static final long serialVersionUID = 58635276936990330L;
public void actionPerformed(ActionEvent evt) {
try {
if (undo.canRedo()) {
undo.redo();
}
} catch (CannotRedoException e) {
}
}
});
// Bind the redo action to ctl-Y
textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Y"), "Redo");
}
void InitUndoMgr() {
final UndoManager undo = new UndoManager();
Document doc = txt_box.getDocument();
// Listen for undo and redo events
doc.addUndoableEditListener(
new UndoableEditListener() {
public void undoableEditHappened(UndoableEditEvent evt) {
undo.addEdit(evt.getEdit());
}
});
// Create an undo action and add it to the text component
txt_box
.getActionMap()
.put(
"Undo",
new AbstractAction("Undo") {
public void actionPerformed(ActionEvent evt) {
try {
if (undo.canUndo()) {
undo.undo();
}
} catch (CannotUndoException e) {
}
}
});
// Bind the undo action to ctl-Z
txt_box.getInputMap().put(KeyStroke.getKeyStroke("control Z"), "Undo");
// Create a redo action and add it to the text component
txt_box
.getActionMap()
.put(
"Redo",
new AbstractAction("Redo") {
public void actionPerformed(ActionEvent evt) {
try {
if (undo.canRedo()) {
undo.redo();
}
} catch (CannotRedoException e) {
}
}
});
// Bind the redo action to ctl-Y
txt_box.getInputMap().put(KeyStroke.getKeyStroke("control Y"), "Redo");
}
private void initUndoFeature() {
Document doc = textcomp.getDocument();
// Listen for undo and redo events
doc.addUndoableEditListener(
new UndoableEditListener() {
public void undoableEditHappened(UndoableEditEvent ev) {
undoMenuItem.setEnabled(true);
addEdit(ev.getEdit());
refreshEnabledStatus();
}
});
// Create an undo action and add it to the text component
textcomp
.getActionMap()
.put(
"Undo",
new AbstractAction("Undo") { // $NON-NLS-1$ //$NON-NLS-2$
public static final long serialVersionUID = 0L;
public void actionPerformed(ActionEvent ev) {
undo();
}
});
// Bind the undo action to ctl-Z
textcomp
.getInputMap()
.put(KeyStroke.getKeyStroke("control Z"), "Undo"); // $NON-NLS-1$ //$NON-NLS-2$
// Create a redo action and add it to the text component
textcomp
.getActionMap()
.put(
"Redo",
new AbstractAction("Redo") { // $NON-NLS-1$ //$NON-NLS-2$
public static final long serialVersionUID = 0L;
public void actionPerformed(ActionEvent ev) {
redo();
}
});
// Bind the redo action to ctl-Y
textcomp
.getInputMap()
.put(KeyStroke.getKeyStroke("control Y"), "Redo"); // $NON-NLS-1$ //$NON-NLS-2$
}
public CodeTextPanel(Border bb, String title, String text) {
super(new GridLayout(1, 1));
if (bb != null) {
Border b = BorderFactory.createTitledBorder(bb, title);
setBorder(b);
}
JScrollPane p = new JScrollPane(area);
add(p);
p.setBorder(BorderFactory.createEmptyBorder());
setText(text);
area.setFont(new Font("Courier", Font.PLAIN, 13));
// area.setEditable(false);
UndoManager m = new UndoManager();
// area.setundoManager = new UndoManager();
Document doc = area.getDocument();
doc.addUndoableEditListener((UndoableEditEvent e) -> m.addEdit(e.getEdit()));
InputMap im = area.getInputMap(JComponent.WHEN_FOCUSED);
ActionMap am = area.getActionMap();
im.put(
KeyStroke.getKeyStroke(KeyEvent.VK_Z, Toolkit.getDefaultToolkit().getMenuShortcutKeyMask()),
"Undo");
im.put(
KeyStroke.getKeyStroke(KeyEvent.VK_Y, Toolkit.getDefaultToolkit().getMenuShortcutKeyMask()),
"Redo");
am.put(
"Undo",
new AbstractAction() {
@Override
public void actionPerformed(ActionEvent e) {
try {
if (m.canUndo()) {
m.undo();
}
} catch (CannotUndoException exp) {
exp.printStackTrace();
}
}
});
am.put(
"Redo",
new AbstractAction() {
@Override
public void actionPerformed(ActionEvent e) {
try {
if (m.canRedo()) {
m.redo();
}
} catch (CannotUndoException exp) {
exp.printStackTrace();
}
}
});
// setWordWrap(true);
}
/** config tools bar */
private void toolsBarConfigure() {
JToolBar toolsBar = new JToolBar();
toolsBar.setFloatable(false);
toolsBar.setBackground(Color.gray);
JButton back = new JButton(new ImageIcon(iconDir + "back2.png"));
back.setBorder(null);
back.setEnabled(false);
back.setContentAreaFilled(false);
back.setToolTipText("Back");
backJB = back;
back.addMouseListener(
new MouseListener() {
@Override
public void mouseReleased(MouseEvent arg0) {}
@Override
public void mousePressed(MouseEvent arg0) {
if (((JButton) arg0.getSource()).isEnabled()) back();
updateBackImage(arg0);
updateforwardImage();
}
@Override
public void mouseExited(MouseEvent arg0) {}
@Override
public void mouseEntered(MouseEvent arg0) {}
@Override
public void mouseClicked(MouseEvent arg0) {}
});
toolsBar.add(back);
back = new JButton(new ImageIcon(iconDir + "forward2.png"));
back.setBorder(null);
forwardJB = back;
back.setEnabled(false);
back.setContentAreaFilled(false);
back.addMouseListener(
new MouseListener() {
@Override
public void mouseReleased(MouseEvent e) {}
@Override
public void mousePressed(MouseEvent e) {
if (forwardJB.isEnabled()) forward();
updateBackImage(null);
updateforwardImage();
}
@Override
public void mouseExited(MouseEvent e) {}
@Override
public void mouseEntered(MouseEvent e) {}
@Override
public void mouseClicked(MouseEvent e) {}
});
back.setToolTipText("Forward");
toolsBar.add(back);
// **********************************************
back = new JButton(new ImageIcon(iconDir + "home.png"));
back.setBorder(null);
back.addMouseListener(
new MouseListener() {
@Override
public void mouseReleased(MouseEvent arg0) {}
@Override
public void mousePressed(MouseEvent arg0) {
Tab tabee = tabAccess.get(tab.getSelectedIndex());
addressBar.setText("http://www.google.com");
MyEditorPane pane = new MyEditorPane(addressBar.getText());
pane.addHyperlinkListener(HYHandler);
JScrollPane scPane = new JScrollPane(pane);
tabee.addPane(pane);
pane.setEditable(false);
int i = tab.getSelectedIndex();
tabcreate = false;
change = false;
tab.remove(i);
tabcreate = false;
change = false;
tab.insertTab(tabee.getPane().getAddress(), null, scPane, null, i);
tabcreate = false;
change = false;
addCloseButton(i, tabee.getPane().getAddress());
tabcreate = false;
change = false;
tab.setSelectedIndex(i);
change = false;
tabcreate = false;
loadPage(pane, tabee.getPane().getAddress());
tabcreate = true;
}
@Override
public void mouseExited(MouseEvent arg0) {}
@Override
public void mouseEntered(MouseEvent arg0) {}
@Override
public void mouseClicked(MouseEvent arg0) {}
});
back.setContentAreaFilled(false);
back.setToolTipText("Home");
toolsBar.add(back);
back = new JButton(new ImageIcon(iconDir + "refresh2.png"));
back.setBorder(null);
back.addMouseListener(
new MouseListener() {
@Override
public void mouseReleased(MouseEvent arg0) {}
@Override
public void mousePressed(MouseEvent arg0) {
Tab tabee = tabAccess.get(tab.getSelectedIndex());
MyEditorPane pane = new MyEditorPane(addressBar.getText());
pane.addHyperlinkListener(HYHandler);
JScrollPane scPane = new JScrollPane(pane);
tabee.addPane(pane);
pane.setEditable(false);
int i = tab.getSelectedIndex();
tabcreate = false;
change = false;
tab.remove(i);
tabcreate = false;
change = false;
tab.insertTab(tabee.getPane().getAddress(), null, scPane, null, i);
tabcreate = false;
change = false;
addCloseButton(i, tabee.getPane().getAddress());
change = false;
tab.setSelectedIndex(i);
tabcreate = false;
change = false;
loadPage(pane, tabee.getPane().getAddress());
tabcreate = true;
}
@Override
public void mouseExited(MouseEvent arg0) {}
@Override
public void mouseEntered(MouseEvent arg0) {}
@Override
public void mouseClicked(MouseEvent arg0) {}
});
back.setEnabled(false);
back.setContentAreaFilled(false);
back.setToolTipText("Refresh");
toolsBar.add(back);
addressBar = new JTextField("http://www.google.com");
addressBar.setToolTipText("Address");
toolsBar.add(addressBar);
Document doc = addressBar.getDocument();
doc.addUndoableEditListener(this);
addressBar.addKeyListener(
new KeyListener() {
@Override
public void keyTyped(KeyEvent arg0) {}
@Override
public void keyReleased(KeyEvent arg0) {
updateTabes(arg0);
}
@Override
public void keyPressed(KeyEvent arg0) {}
});
// **********************************************
back = new JButton(new ImageIcon(iconDir + "forward.png"));
back.setBorder(null);
back.setContentAreaFilled(false);
back.setToolTipText("Go");
back.addMouseListener(
new MouseListener() {
@Override
public void mouseReleased(MouseEvent arg0) {}
@Override
public void mousePressed(MouseEvent arg0) {
Tab tabee = tabAccess.get(tab.getSelectedIndex());
MyEditorPane pane = new MyEditorPane(addressBar.getText());
pane.addHyperlinkListener(HYHandler);
JScrollPane scPane = new JScrollPane(pane);
tabee.addPane(pane);
pane.setEditable(false);
int i = tab.getSelectedIndex();
tabcreate = false;
change = false;
tab.remove(i);
tabcreate = false;
change = false;
tab.insertTab(tabee.getPane().getAddress(), null, scPane, null, i);
tabcreate = false;
change = false;
addCloseButton(i, tabee.getPane().getAddress());
tabcreate = false;
change = false;
tab.setSelectedIndex(i);
change = false;
tabcreate = false;
loadPage(pane, tabee.getPane().getAddress());
tabcreate = true;
}
@Override
public void mouseExited(MouseEvent arg0) {}
@Override
public void mouseEntered(MouseEvent arg0) {}
@Override
public void mouseClicked(MouseEvent arg0) {}
});
toolsBar.add(back);
getContentPane().add(toolsBar, BorderLayout.NORTH);
}