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package org.apache.cayenne.modeler.util;

import javax.swing.event.UndoableEditListener;

import org.apache.cayenne.modeler.undo.JTextFieldUndoListener;
import org.apache.cayenne.swing.components.textpane.JCayenneTextPane;
import org.apache.cayenne.swing.components.textpane.syntax.SyntaxConstant;

public class JUndoableCayenneTextPane extends JCayenneTextPane {

    private UndoableEditListener undoListener;

    public JUndoableCayenneTextPane(SyntaxConstant syntaxConstant) {
        super(syntaxConstant);

        this.undoListener = new JTextFieldUndoListener(this.getPane());
        getDocument().addUndoableEditListener(this.undoListener);
    }

    @Override
    public void setText(String t) {
        getDocument().removeUndoableEditListener(this.undoListener);

        try {
            super.setText(t);
        } finally {
            getDocument().addUndoableEditListener(this.undoListener);
        }
    }
}