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   *   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.swing;
  
  import java.awt.Component;
  import java.awt.event.ActionEvent;
  import java.awt.event.ActionListener;
  
  import javax.swing.JCheckBox;
  
  /**
   * A generic adapter that binds a check box to a bean property.
   *
   */
  public class CheckBoxBinding extends BindingBase {
  
      protected JCheckBox checkBox;
  
      public CheckBoxBinding(JCheckBox checkBox, String propertyExpression) {
          super(propertyExpression);
          this.checkBox = checkBox;
  
          this.checkBox.addActionListener(new ActionListener()
          {
              public void actionPerformed(final ActionEvent event) {
                  if (!modelUpdateDisabled) {
                      updateModel();
                  }
              }
          });
      }
  
      public Component getView() {
          return checkBox;
      }
  
      public void updateView() {
          Boolean value = (Boolean) getValue();
  
          modelUpdateDisabled = true;
          try {
              checkBox.setSelected(value.booleanValue());
          }
          finally {
              modelUpdateDisabled = false;
          }
      }
  
      protected void updateModel() {
          setValue(Boolean.valueOf(checkBox.isSelected()));
      }
  }
  