use of javax.swing.undo.CannotRedoException in project jabref by JabRef.
the class TextField method setupUndoRedo.
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
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(org.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 ctl-Y
getInputMap().put(Globals.getKeyPrefs().getKey(org.jabref.gui.keyboard.KeyBinding.REDO), "Redo");
}
use of javax.swing.undo.CannotRedoException in project jabref by JabRef.
the class JTextAreaWithHighlighting method setupUndoRedo.
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
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(org.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(org.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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