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/**
 * Copyright (c) The openTCS Authors.
 *
 * This program is free software and subject to the MIT license. (For details,
 * see the licensing information (LICENSE.txt) you should have received with
 * this copy of the software.)
 */
package org.opentcs.util.gui.dialog;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import javax.swing.JButton;
import javax.swing.KeyStroke;

/**
 * Cancel Button which closes a dialog by pressing ESC.
 *
 * @author Heinz Huber (Fraunhofer IML)
 */
public class CancelButton
    extends JButton {

  /**
   * Creates a new instance.
   */
  public CancelButton() {
    this(null);
  }

  /**
   * Creates a new instance.
   *
   * @param text Label of this button.
   */
  public CancelButton(String text) {
    super(text);

    ActionListener al = new ActionListener() {

      @Override
      public void actionPerformed(ActionEvent event) {
        String cmd = event.getActionCommand();

        if (cmd.equals("PressedESCAPE")) {
          doClick();
        }
      }
    };

    registerKeyboardAction(al, "PressedESCAPE",
                           KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0),
                           JButton.WHEN_IN_FOCUSED_WINDOW);
  }
}