content: /*****************************************************************
   *   Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you 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
   *
   *    https://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
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   ****************************************************************/
  package org.apache.cayenne.modeler.util;
  
  import javax.swing.JTextField;
  import javax.swing.event.UndoableEditListener;
  
  import org.apache.cayenne.modeler.undo.JTextFieldUndoListener;
  
  public class JTextFieldUndoable extends JTextField {
      
      private UndoableEditListener undoListener;
  
      public JTextFieldUndoable() {
          super();
          this.undoListener = new JTextFieldUndoListener(this);
          this.getDocument().addUndoableEditListener(this.undoListener);
      }
      
      public JTextFieldUndoable(int size) {
          super(size);
          this.undoListener = new JTextFieldUndoListener(this);
          this.getDocument().addUndoableEditListener(this.undoListener);
      }
  
      @Override
      public void setText(String t) {
          this.getDocument().removeUndoableEditListener(this.undoListener);
          try {
              super.setText(t);
          }
          finally {
              this.getDocument().addUndoableEditListener(this.undoListener);
          }
      }
  }
  