javax.swing
Class AbstractButton

java.lang.Object   
  java.awt.Component   
      java.awt.Container   
          javax.swing.JComponent   
              javax.swing.AbstractButton

All Implemented Interfaces:

ImageObserver , ItemSelectable , MenuContainer , Serializable , SwingConstants

Direct Known Subclasses:

JButton , JMenuItem , JToggleButton

public abstract class AbstractButton
extends JComponent   
implements ItemSelectable   , SwingConstants   

Defines common behaviors for buttons and menu items. For further information see How to Use Buttons, Check Boxes, and Radio Buttons, a section in The Java Tutorial.

Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans^TM has been added to the java.beans package. Please see XMLEncoder .

See Also:

Serialized Form

Nested Class Summary

protected class	AbstractButton.AccessibleAbstractButton This class implements accessibility support for the AbstractButton class.
protected class	AbstractButton.ButtonChangeListener Extends ChangeListener to be serializable.

Nested classes/interfaces inherited from class javax.swing.JComponent

JComponent.AccessibleJComponent

Nested classes/interfaces inherited from class java.awt.Container

Container.AccessibleAWTContainer

Nested classes/interfaces inherited from class java.awt.Component

Component.AccessibleAWTComponent , Component.BltBufferStrategy , Component.FlipBufferStrategy

Field Summary

protected ActionListener	actionListener The button model's ActionListener.
static String	BORDER_PAINTED_CHANGED_PROPERTY Identifies a change to having the border drawn, or having it not drawn.
protected ChangeEvent	changeEvent Only one ChangeEvent is needed per button instance since the event's only state is the source property.
protected ChangeListener	changeListener The button model's changeListener.
static String	CONTENT_AREA_FILLED_CHANGED_PROPERTY Identifies a change to having the button paint the content area.
static String	DISABLED_ICON_CHANGED_PROPERTY Identifies a change to the icon used when the button has been disabled.
static String	DISABLED_SELECTED_ICON_CHANGED_PROPERTY Identifies a change to the icon used when the button has been disabled and selected.
static String	FOCUS_PAINTED_CHANGED_PROPERTY Identifies a change to having the border highlighted when focused, or not.
static String	HORIZONTAL_ALIGNMENT_CHANGED_PROPERTY Identifies a change in the button's horizontal alignment.
static String	HORIZONTAL_TEXT_POSITION_CHANGED_PROPERTY Identifies a change in the button's horizontal text position.
static String	ICON_CHANGED_PROPERTY Identifies a change to the icon that represents the button.
protected ItemListener	itemListener The button model's ItemListener.
static String	MARGIN_CHANGED_PROPERTY Identifies a change in the button's margins.
static String	MNEMONIC_CHANGED_PROPERTY Identifies a change to the button's mnemonic.
protected ButtonModel	model The data model that determines the button's state.
static String	MODEL_CHANGED_PROPERTY Identifies a change in the button model.
static String	PRESSED_ICON_CHANGED_PROPERTY Identifies a change to the icon used when the button has been pressed.
static String	ROLLOVER_ENABLED_CHANGED_PROPERTY Identifies a change from rollover enabled to disabled or back to enabled.
static String	ROLLOVER_ICON_CHANGED_PROPERTY Identifies a change to the icon used when the cursor is over the button.
static String	ROLLOVER_SELECTED_ICON_CHANGED_PROPERTY Identifies a change to the icon used when the cursor is over the button and it has been selected.
static String	SELECTED_ICON_CHANGED_PROPERTY Identifies a change to the icon used when the button has been selected.
static String	TEXT_CHANGED_PROPERTY Identifies a change in the button's text.
static String	VERTICAL_ALIGNMENT_CHANGED_PROPERTY Identifies a change in the button's vertical alignment.
static String	VERTICAL_TEXT_POSITION_CHANGED_PROPERTY Identifies a change in the button's vertical text position.

Fields inherited from class javax.swing.JComponent

accessibleContext , listenerList , TOOL_TIP_TEXT_KEY , ui , UNDEFINED_CONDITION , WHEN_ANCESTOR_OF_FOCUSED_COMPONENT , WHEN_FOCUSED , WHEN_IN_FOCUSED_WINDOW

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT , CENTER_ALIGNMENT , LEFT_ALIGNMENT , RIGHT_ALIGNMENT , TOP_ALIGNMENT

Fields inherited from interface javax.swing.SwingConstants

BOTTOM , CENTER , EAST , HORIZONTAL , LEADING , LEFT , NEXT , NORTH , NORTH_EAST , NORTH_WEST , PREVIOUS , RIGHT , SOUTH , SOUTH_EAST , SOUTH_WEST , TOP , TRAILING , VERTICAL , WEST

Fields inherited from interface java.awt.image.ImageObserver

ABORT , ALLBITS , ERROR , FRAMEBITS , HEIGHT , PROPERTIES , SOMEBITS , WIDTH

Constructor Summary

AbstractButton ()

Method Summary

void	addActionListener (ActionListener l) Adds an ActionListener to the button.
void	addChangeListener (ChangeListener l) Adds a ChangeListener to the button.
protected void	addImpl (Component comp, Object constraints, int index) Adds the specified component to this container at the specified index, refer to Container.addImpl(Component, Object, int) for a complete description of this method.
void	addItemListener (ItemListener l) Adds an ItemListener to the checkbox.
protected int	checkHorizontalKey (int key, String exception) Verify that key is a legal value for the horizontalAlignment properties.
protected int	checkVerticalKey (int key, String exception) Ensures that the key is a valid.
protected void	configurePropertiesFromAction (Action a) Factory method which sets the ActionEvent source's properties according to values from the Action instance.
protected ActionListener	createActionListener ()
protected PropertyChangeListener	createActionPropertyChangeListener (Action a) Factory method which creates the PropertyChangeListener used to update the ActionEvent source as properties change on its Action instance.
protected ChangeListener	createChangeListener () Subclasses that want to handle ChangeEvents differently can override this to return another ChangeListener implementation.
protected ItemListener	createItemListener ()
void	doClick () Programmatically perform a "click".
void	doClick (int pressTime) Programmatically perform a "click".
protected void	fireActionPerformed (ActionEvent event) Notifies all listeners that have registered interest for notification on this event type.
protected void	fireItemStateChanged (ItemEvent event) Notifies all listeners that have registered interest for notification on this event type.
protected void	fireStateChanged () Notifies all listeners that have registered interest for notification on this event type.
Action	getAction () Returns the currently set Action for this ActionEvent source, or null if no Action is set.
String	getActionCommand () Returns the action command for this button.
ActionListener []	getActionListeners () Returns an array of all the ActionListeners added to this AbstractButton with addActionListener().
ChangeListener []	getChangeListeners () Returns an array of all the ChangeListeners added to this AbstractButton with addChangeListener().
Icon	getDisabledIcon () Returns the icon used by the button when it's disabled.
Icon