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/*
 * Copyright 2008 Ayman Al-Sairafi [email protected]
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License
 *       at http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package jsyntaxpane.actions;

import java.awt.event.ActionEvent;
import javax.swing.text.JTextComponent;
import javax.swing.text.TextAction;
import jsyntaxpane.SyntaxDocument;
import jsyntaxpane.util.Configuration;

/**
 * Undo action
 */
public class UndoAction extends DefaultSyntaxAction {

	public UndoAction() {
		super("UNDO");
	}

	@Override
	public void actionPerformed(JTextComponent target, SyntaxDocument sDoc,
		int dot, ActionEvent e) {
		if (sDoc != null) {
			sDoc.doUndo();
		}
	}
}