27 import java.awt.*;
  28 import java.awt.event.*;
  29 import java.awt.image.*;
  30 import java.io.Serializable;
  31 import java.util.EventListener;
  32 import javax.swing.event.*;
  33 
  34 /**
  35  * The default implementation of a <code>Button</code> component's data model.
  36  * <p>
  37  * <strong>Warning:</strong>
  38  * Serialized objects of this class will not be compatible with
  39  * future Swing releases. The current serialization support is
  40  * appropriate for short term storage or RMI between applications running
  41  * the same version of Swing. As of 1.4, support for long term storage
  42  * of all JavaBeans&trade;
  43  * has been added to the <code>java.beans</code> package.
  44  * Please see {@link java.beans.XMLEncoder}.
  45  *
  46  * @author Jeff Dinkins

  47  */
  48 @SuppressWarnings("serial") // Same-version serialization only
  49 public class DefaultButtonModel implements ButtonModel, Serializable {
  50 
  51     /** The bitmask used to store the state of the button. */
  52     protected int stateMask = 0;
  53 
  54     /** The action command string fired by the button. */
  55     protected String actionCommand = null;
  56 
  57     /** The button group that the button belongs to. */
  58     protected ButtonGroup group = null;
  59 
  60     /** The button's mnemonic. */
  61     protected int mnemonic = 0;
  62 
  63     /**
  64      * Only one <code>ChangeEvent</code> is needed per button model
  65      * instance since the event's only state is the source property.
  66      * The source of events generated is always "this".

  27 import java.awt.*;
  28 import java.awt.event.*;
  29 import java.awt.image.*;
  30 import java.io.Serializable;
  31 import java.util.EventListener;
  32 import javax.swing.event.*;
  33 
  34 /**
  35  * The default implementation of a <code>Button</code> component's data model.
  36  * <p>
  37  * <strong>Warning:</strong>
  38  * Serialized objects of this class will not be compatible with
  39  * future Swing releases. The current serialization support is
  40  * appropriate for short term storage or RMI between applications running
  41  * the same version of Swing. As of 1.4, support for long term storage
  42  * of all JavaBeans&trade;
  43  * has been added to the <code>java.beans</code> package.
  44  * Please see {@link java.beans.XMLEncoder}.
  45  *
  46  * @author Jeff Dinkins
  47  * @since 1.2
  48  */
  49 @SuppressWarnings("serial") // Same-version serialization only
  50 public class DefaultButtonModel implements ButtonModel, Serializable {
  51 
  52     /** The bitmask used to store the state of the button. */
  53     protected int stateMask = 0;
  54 
  55     /** The action command string fired by the button. */
  56     protected String actionCommand = null;
  57 
  58     /** The button group that the button belongs to. */
  59     protected ButtonGroup group = null;
  60 
  61     /** The button's mnemonic. */
  62     protected int mnemonic = 0;
  63 
  64     /**
  65      * Only one <code>ChangeEvent</code> is needed per button model
  66      * instance since the event's only state is the source property.
  67      * The source of events generated is always "this".