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Class com.sun.java.swing.DefaultButtonModel

java.lang.Object
   |
   +----com.sun.java.swing.DefaultButtonModel

public class DefaultButtonModel
extends Object
implements ButtonModel, Serializable

The default implementation of a Button component's data model.

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 Swing1.0 applications. It will not be possible to load serialized Swing1.0 objects with future releases of Swing. The JDK1.2 release of Swing will be the compatibility baseline for the serialized form of Swing objects.


Variable Index

actionCommand
ARMED
Indicates if the button can be selected or not by an input device (such as a mouse pointer).
changeEvent
Only one ChangeEvent is needed per button model instance since the event's only state is the source property.
ENABLED
Indicates whether the button is currently enabled.
group
listenerList
mnemonic
PRESSED
Indicates partial commitment towards choosing the button.
ROLLOVER
Indicates that the mouse is over the button.
SELECTED
Indicates if the button has been selected.
stateMask

Constructor Index

DefaultButtonModel()
Constructs a JButtonModel

Method Index

addActionListener(ActionListener)
adds an ActionListener to the button
addChangeListener(ChangeListener)
Adds a ChangeListener to the button.
addItemListener(ItemListener)
adds an ItemListener to the button
fireActionPerformed(ActionEvent)
fireItemStateChanged(ItemEvent)
fireStateChanged()
getActionCommand()
Returns the action command for this button.
getMnemonic()
Gets the keyboard mnemonic for this model
getSelectedObjects()
isArmed()
Returns whether the button is "armed".
isEnabled()
Checks if the button is disabled.
isPressed()
Checks if the button is pressed.
isRollover()
Checks if the button is rolled over.
isSelected()
Checks if the button is selected.
removeActionListener(ActionListener)
removes an ActionListener from the button
removeChangeListener(ChangeListener)
Removes a ChangeListener from the button.
removeItemListener(ItemListener)
removes an ItemListener from the button
setActionCommand(String)
Sets the actionCommand that gets sent when the putton is pressed.
setArmed(boolean)
Identifies the button as "armed".
setEnabled(boolean)
Sets the button to be enabled or disabled state
setGroup(ButtonGroup)
setMnemonic(int)
Sets the keyboard mnemonic for this model
setPressed(boolean)
Sets the button to pressed state
setRollover(boolean)
Sets the button to the rollover state
setSelected(boolean)
Sets the selected state of the button.

Variables

stateMask
 protected int stateMask
actionCommand
 protected String actionCommand
group
 protected ButtonGroup group
mnemonic
 protected int mnemonic
changeEvent
 protected transient ChangeEvent changeEvent
Only one ChangeEvent is needed per button model instance since the event's only state is the source property. The source of events generated is always "this".

listenerList
 protected EventListenerList listenerList
ARMED
 public static final int ARMED
Indicates if the button can be selected or not by an input device (such as a mouse pointer).

See Also:
setArmed
SELECTED
 public static final int SELECTED
Indicates if the button has been selected. Only needed for certain types of buttons - such as RadioButton or Checkbox.

PRESSED
 public static final int PRESSED
Indicates partial commitment towards choosing the button.

ENABLED
 public static final int ENABLED
Indicates whether the button is currently enabled.

ROLLOVER
 public static final int ROLLOVER
Indicates that the mouse is over the button.


Constructors

DefaultButtonModel
 public DefaultButtonModel()
Constructs a JButtonModel


Methods

setActionCommand
 public void setActionCommand(String actionCommand)
Sets the actionCommand that gets sent when the putton is pressed.

getActionCommand
 public String getActionCommand()
Returns the action command for this button.

isArmed
 public boolean isArmed()
Returns whether the button is "armed".

Returns:
true if the button is armed, and it can be selected
See Also:
setArmed
isSelected
 public boolean isSelected()
Checks if the button is selected.

isEnabled
 public boolean isEnabled()
Checks if the button is disabled.

isPressed
 public boolean isPressed()
Checks if the button is pressed.

isRollover
 public boolean isRollover()
Checks if the button is rolled over.

setArmed
 public void setArmed(boolean b)
Identifies the button as "armed".

Parameters:
b - true to arm the button so it can be selected
See Also:
setArmed
setEnabled
 public void setEnabled(boolean b)
Sets the button to be enabled or disabled state

setSelected
 public void setSelected(boolean b)
Sets the selected state of the button.

Parameters:
b - true selects the toggle button, false deselects the toggle button.
setPressed
 public void setPressed(boolean b)
Sets the button to pressed state

setRollover
 public void setRollover(boolean b)
Sets the button to the rollover state

setMnemonic
 public void setMnemonic(int key)
Sets the keyboard mnemonic for this model

getMnemonic
 public int getMnemonic()
Gets the keyboard mnemonic for this model

addChangeListener
 public void addChangeListener(ChangeListener l)
Adds a ChangeListener to the button.

removeChangeListener
 public void removeChangeListener(ChangeListener l)
Removes a ChangeListener from the button.

fireStateChanged
 protected void fireStateChanged()
addActionListener
 public void addActionListener(ActionListener l)
adds an ActionListener to the button

removeActionListener
 public void removeActionListener(ActionListener l)
removes an ActionListener from the button

fireActionPerformed
 protected void fireActionPerformed(ActionEvent e)
addItemListener
 public void addItemListener(ItemListener l)
adds an ItemListener to the button

removeItemListener
 public void removeItemListener(ItemListener l)
removes an ItemListener from the button

fireItemStateChanged
 protected void fireItemStateChanged(ItemEvent e)
getSelectedObjects
 public Object[] getSelectedObjects()
setGroup
 public void setGroup(ButtonGroup group)

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