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UndoManager undo = new UndoManager();
Document doc = p2.getDocument();
undoRedoDefine();
public void undoRedoDefine() {
doc.addUndoableEditListener(new UndoableEditListener() {
public void undoableEditHappened(UndoableEditEvent arg0) {
doc_addEdit(arg0);
}
});
addActionMap();// Ìí¼Ó³·ÏûËùÐèµÄ¶¨Òå
}
public void addActionMap() {
p2.getActionMap().put("Undo", new AbstractAction("Undo") {
public void actionPerformed(ActionEvent arg0) {
if (undo.canUndo()) {
undo.undo(); }
}
});
p2.getInputMap().put(KeyStroke.getKeyStroke("control Z"), "Undo");
}
public void doc_addEdit(UndoableEditEvent e) {
undo.addEdit(e.getEdit());
}
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{
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{
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