src/java.desktop/share/classes/javax/swing/colorchooser/ColorPanel.java

*** 1,7 ****
  /*
!  * Copyright (c) 2008, 2014, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 28,48 ****
  import java.awt.Color;
  import java.awt.ContainerOrderFocusTraversalPolicy;
  import java.awt.GridBagConstraints;
  import java.awt.GridBagLayout;
  import java.awt.Insets;
! import java.awt.event.ActionEvent;
! import java.awt.event.ActionListener;
  import javax.swing.ButtonGroup;
  import javax.swing.JLabel;
  import javax.swing.JPanel;
  import javax.swing.JRadioButton;
  import javax.swing.border.EmptyBorder;
  import javax.swing.JSpinner.DefaultEditor;
  
  @SuppressWarnings("serial") // Superclass is not serializable across versions
! final class ColorPanel extends JPanel implements ActionListener {
  
      private final SlidingSpinner[] spinners = new SlidingSpinner[5];
      private final float[] values = new float[this.spinners.length];
  
      private final ColorModel model;
--- 28,49 ----
  import java.awt.Color;
  import java.awt.ContainerOrderFocusTraversalPolicy;
  import java.awt.GridBagConstraints;
  import java.awt.GridBagLayout;
  import java.awt.Insets;
! import java.awt.event.ItemEvent;
! import java.awt.event.ItemListener;
  import javax.swing.ButtonGroup;
+ import javax.swing.DefaultButtonModel;
  import javax.swing.JLabel;
  import javax.swing.JPanel;
  import javax.swing.JRadioButton;
  import javax.swing.border.EmptyBorder;
  import javax.swing.JSpinner.DefaultEditor;
  
  @SuppressWarnings("serial") // Superclass is not serializable across versions
! final class ColorPanel extends JPanel implements ItemListener {
  
      private final SlidingSpinner[] spinners = new SlidingSpinner[5];
      private final float[] values = new float[this.spinners.length];
  
      private final ColorModel model;
*** 71,81 ****
                      gbc.insets.top = 5;
                  }
                  add(button, gbc);
                  group.add(button);
                  button.setActionCommand(Integer.toString(i));
!                 button.addActionListener(this);
                  this.spinners[i] = new SlidingSpinner(this, button);
              }
              else {
                  JLabel label = new JLabel();
                  add(label, gbc);
--- 72,82 ----
                      gbc.insets.top = 5;
                  }
                  add(button, gbc);
                  group.add(button);
                  button.setActionCommand(Integer.toString(i));
!                 button.getModel().addItemListener(this);
                  this.spinners[i] = new SlidingSpinner(this, button);
              }
              else {
                  JLabel label = new JLabel();
                  add(label, gbc);
*** 104,123 ****
          setFocusable(false);
  
          this.model = model;
      }
  
!     public void actionPerformed(ActionEvent event) {
          try {
!             this.z = Integer.parseInt(event.getActionCommand());
              this.y = (this.z != 2) ? 2 : 1;
              this.x = (this.z != 0) ? 0 : 1;
              getParent().repaint();
          }
          catch (NumberFormatException exception) {
          }
      }
  
      void buildPanel() {
          int count = this.model.getCount();
          this.spinners[4].setVisible(count > 4);
          for (int i = 0; i < count; i++) {
--- 105,130 ----
          setFocusable(false);
  
          this.model = model;
      }
  
!     @Override
!     public void itemStateChanged(ItemEvent e) {
!         if(e.getStateChange() == ItemEvent.SELECTED) {
!             if (e.getSource() instanceof DefaultButtonModel) {
!                 DefaultButtonModel model = (DefaultButtonModel) e.getSource();
                  try {
!                     this.z = Integer.parseInt(model.getActionCommand());
                      this.y = (this.z != 2) ? 2 : 1;
                      this.x = (this.z != 0) ? 0 : 1;
                      getParent().repaint();
                  }
                  catch (NumberFormatException exception) {
                  }
              }
+         }
+     }
  
      void buildPanel() {
          int count = this.model.getCount();
          this.spinners[4].setVisible(count > 4);
          for (int i = 0; i < count; i++) {