Example usage for javax.swing.text Document addUndoableEditListener

Introduction

In this page you can find the example usage for javax.swing.text Document addUndoableEditListener.

Prototype

public void addUndoableEditListener(UndoableEditListener listener);

Source Link

Document

Registers the given observer to begin receiving notifications when undoable edits are made to the document.

Usage

From source file:Main.java

public static void main(String[] argv) {
    JTextComponent textcomp = new JTextArea();
    final UndoManager undo = new UndoManager();
    Document doc = textcomp.getDocument();

    doc.addUndoableEditListener(new UndoableEditListener() {
        public void undoableEditHappened(UndoableEditEvent evt) {
            undo.addEdit(evt.getEdit());
        }/*www . j  a v a2s. c o m*/
    });

    textcomp.getActionMap().put("Undo", new AbstractAction("Undo") {
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canUndo()) {
                    undo.undo();
                }
            } catch (CannotUndoException e) {
            }
        }
    });

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(new JScrollPane(textcomp));
    frame.setSize(380, 320);
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
}

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From source file:Main.java

public static void main(String[] argv) {

    JTextComponent textcomp = new JTextArea();
    final UndoManager undo = new UndoManager();
    Document doc = textcomp.getDocument();

    doc.addUndoableEditListener(new UndoableEditListener() {
        public void undoableEditHappened(UndoableEditEvent evt) {
            undo.addEdit(evt.getEdit());
        }//  w  ww .j  a va2 s .  co m
    });

    textcomp.getActionMap().put("Undo", new AbstractAction("Undo") {
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canUndo()) {
                    undo.undo();
                }
            } catch (CannotUndoException e) {
            }
        }
    });

    textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Z"), "Undo");

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(new JScrollPane(textcomp));
    frame.setSize(380, 320);
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    JTextComponent textcomp = new JTextArea();
    final UndoManager undo = new UndoManager();
    Document doc = textcomp.getDocument();

    doc.addUndoableEditListener(new UndoableEditListener() {
        public void undoableEditHappened(UndoableEditEvent evt) {
            undo.addEdit(evt.getEdit());
        }//  w w w . j  a va2 s.  c  o  m
    });
    textcomp.getActionMap().put("Undo", new AbstractAction("Undo") {
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canUndo()) {
                    undo.undo();
                }
            } catch (CannotUndoException e) {
            }
        }
    });
    textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Z"), "Undo");
    textcomp.getActionMap().put("Redo", new AbstractAction("Redo") {
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canRedo()) {
                    undo.redo();
                }
            } catch (CannotRedoException e) {
            }
        }
    });
    textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Y"), "Redo");
}

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From source file:Main.java

public static void main(String[] argv) {
    JTextComponent textcomp = new JTextArea();
    final UndoManager undo = new UndoManager();
    Document doc = textcomp.getDocument();

    doc.addUndoableEditListener(new UndoableEditListener() {
        public void undoableEditHappened(UndoableEditEvent evt) {
            undo.addEdit(evt.getEdit());
        }//from  w w w  . ja  va  2  s . c  o m
    });

    textcomp.getActionMap().put("Undo", new AbstractAction("Undo") {
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canUndo()) {
                    undo.undo();
                }
            } catch (CannotUndoException e) {
            }
        }
    });

    textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Z"), "Undo");

    textcomp.getActionMap().put("Redo", new AbstractAction("Redo") {
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canRedo()) {
                    undo.redo();
                }
            } catch (CannotRedoException e) {
            }
        }
    });

    textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Y"), "Redo");

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(new JScrollPane(textcomp));
    frame.setSize(380, 320);
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);

}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    JTextComponent textcomp = new JTextArea();
    final UndoManager undo = new UndoManager();
    Document doc = textcomp.getDocument();

    JFrame f = new JFrame();
    f.add(new JScrollPane(textcomp));
    f.setSize(330, 300);//from www . j a v  a 2 s . c o m
    f.setVisible(true);

    doc.addUndoableEditListener(new UndoableEditListener() {
        public void undoableEditHappened(UndoableEditEvent evt) {
            undo.addEdit(evt.getEdit());
        }
    });

    textcomp.getActionMap().put("Undo", new AbstractAction("Undo") {
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canUndo()) {
                    undo.undo();
                }
            } catch (CannotUndoException e) {
            }
        }
    });

    textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Z"), "Undo");

    textcomp.getActionMap().put("Redo", new AbstractAction("Redo") {
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canRedo()) {
                    undo.redo();
                }
            } catch (CannotRedoException e) {
            }
        }
    });

    textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Y"), "Redo");

}

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From source file:Main.java

@SuppressWarnings("serial")
public static void installUndoManager(JTextComponent textComponent, final UndoManager undoManager) {

    Document doc = textComponent.getDocument();
    doc.addUndoableEditListener(new UndoableEditListener() {
        public void undoableEditHappened(UndoableEditEvent e) {
            undoManager.addEdit(e.getEdit());
        }/*from  w w  w . j  av a2  s.  c  o  m*/
    });

    ActionMap am = textComponent.getActionMap();
    InputMap im = textComponent.getInputMap();
    am.put("undo", new AbstractAction("undo") {
        @Override
        public void actionPerformed(ActionEvent e) {
            undoManager.undo();
        }

        @Override
        public boolean isEnabled() {
            return undoManager.canUndo();
        }
    });
    im.put(KeyStroke.getKeyStroke(KeyEvent.VK_Z, getMenuShortcutKeyMask()), "undo");

    am.put("redo", new AbstractAction("redo") {
        @Override
        public void actionPerformed(ActionEvent e) {
            undoManager.redo();
        }

        @Override
        public boolean isEnabled() {
            return undoManager.canRedo();
        }
    });
    im.put(KeyStroke.getKeyStroke(KeyEvent.VK_Y, getMenuShortcutKeyMask()), "redo");
}

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From source file:net.sf.jabref.gui.fieldeditors.JTextAreaWithHighlighting.java

private void setupUndoRedo() {
    undo = new UndoManager();
    Document doc = getDocument();

    // Listen for undo and redo events
    doc.addUndoableEditListener(evt -> undo.addEdit(evt.getEdit()));

    // Create an undo action and add it to the text component
    getActionMap().put("Undo", new AbstractAction("Undo") {

        @Override/* ww  w .j a  v a2  s  . c  om*/
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canUndo()) {
                    undo.undo();
                }
            } catch (CannotUndoException ignored) {
                // Ignored
            }
        }
    });

    // Bind the undo action to ctl-Z
    getInputMap().put(Globals.getKeyPrefs().getKey(net.sf.jabref.gui.keyboard.KeyBinding.UNDO), "Undo");

    // Create a redo action and add it to the text component
    getActionMap().put("Redo", new AbstractAction(Actions.REDO) {

        @Override
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canRedo()) {
                    undo.redo();
                }
            } catch (CannotRedoException ignored) {
                // Ignored
            }
        }
    });

    // Bind the redo action to ctrl-Y
    boolean bind = true;
    KeyStroke redoKey = Globals.getKeyPrefs().getKey(net.sf.jabref.gui.keyboard.KeyBinding.REDO);
    if (Globals.prefs.getBoolean(JabRefPreferences.EDITOR_EMACS_KEYBINDINGS)) {
        // If emacs is enabled, check if we have a conflict at keys
        // If yes, do not bind
        // Typically, we have: CTRL+y is "yank" in emacs and REDO in 'normal' settings
        // The Emacs key bindings are stored in the keymap, not in the input map.
        Keymap keymap = getKeymap();
        KeyStroke[] keys = keymap.getBoundKeyStrokes();
        int i = 0;
        while ((i < keys.length) && !keys[i].equals(redoKey)) {
            i++;
        }
        if (i < keys.length) {
            // conflict found -> do not bind
            bind = false;
        }
    }
    if (bind) {
        getInputMap().put(redoKey, "Redo");
    }
}

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From source file:com.kstenschke.copypastestack.ToolWindow.java

/**
 * Add undoManager to clip pane//ww w  . java2  s . c om
 */
private void initInlineEditor() {
    Document document = this.form.textPanePreview.getDocument();
    if (this.undoManager != null) {
        document.removeUndoableEditListener(this.undoManager);
    }

    this.undoManager = new UndoManager();
    document.addUndoableEditListener(this.undoManager);

    final ToolWindow toolWindowFin = this;

    InputMap inputMap = this.form.textPanePreview.getInputMap();

    // CTRL + Z = undo ( + Z on Mac OS)
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_Z, Toolkit.getDefaultToolkit().getMenuShortcutKeyMask()),
            new AbstractAction() {
                @Override
                public void actionPerformed(ActionEvent e) {
                    if (toolWindowFin.undoManager.canUndo()) {
                        toolWindowFin.undoManager.undo();
                    }
                }
            });

    // CTRL + SHIFT + Z = redo ( + SHIFT + Z on Mac OS)
    inputMap.put(
            KeyStroke.getKeyStroke(KeyEvent.VK_Z,
                    InputEvent.SHIFT_DOWN_MASK | Toolkit.getDefaultToolkit().getMenuShortcutKeyMask()),
            new AbstractAction() {
                @Override
                public void actionPerformed(ActionEvent e) {
                    if (toolWindowFin.undoManager.canRedo()) {
                        toolWindowFin.undoManager.redo();
                    }
                }
            });
}

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