BasicButtonListener (Java 2 Platform SE v1.4.1) - JDK 5 Documentation v1.4.1, Java 2 SDK 英文文档

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Java^TM 2 Platform
Std. Ed. v1.4.1

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javax.swing.plaf.basic
Class BasicButtonListener

java.lang.Object
  |
  +--javax.swing.plaf.basic.BasicButtonListener

All Implemented Interfaces:: ChangeListener, EventListener, FocusListener, MouseListener, MouseMotionListener, PropertyChangeListener

public class BasicButtonListener
extends Object
implements MouseListener, MouseMotionListener, FocusListener, ChangeListener, PropertyChangeListener

Button Listener

Constructor Summary

BasicButtonListener(AbstractButton b)


Method Summary

protected void checkOpacity(AbstractButton b)


void focusGained(FocusEvent e)
          Invoked when a component gains the keyboard focus.

void focusLost(FocusEvent e)
          Invoked when a component loses the keyboard focus.

void installKeyboardActions(JComponent c)
          Register default key actions: pressing space to "click" a button and registring the keyboard mnemonic (if any).

void mouseClicked(MouseEvent e)
          Invoked when the mouse button has been clicked (pressed and released) on a component.

void mouseDragged(MouseEvent e)
          Invoked when a mouse button is pressed on a component and then dragged.

void mouseEntered(MouseEvent e)
          Invoked when the mouse enters a component.

void mouseExited(MouseEvent e)
          Invoked when the mouse exits a component.

void mouseMoved(MouseEvent e)
          Invoked when the mouse cursor has been moved onto a component but no buttons have been pushed.

void mousePressed(MouseEvent e)
          Invoked when a mouse button has been pressed on a component.

void mouseReleased(MouseEvent e)
          Invoked when a mouse button has been released on a component.

void propertyChange(PropertyChangeEvent e)
          This method gets called when a bound property is changed.

void stateChanged(ChangeEvent e)
          Invoked when the target of the listener has changed its state.

void uninstallKeyboardActions(JComponent c)
          Unregister's default key actions

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BasicButtonListener

public BasicButtonListener(AbstractButton b)

Method Detail

propertyChange

public void propertyChange(PropertyChangeEvent e)

Description copied from interface: PropertyChangeListener

This method gets called when a bound property is changed.

Specified by:: propertyChange in interface PropertyChangeListener

Parameters:: e - A PropertyChangeEvent object describing the event source and the property that has changed.

checkOpacity

protected void checkOpacity(AbstractButton b)

installKeyboardActions

public void installKeyboardActions(JComponent c)

uninstallKeyboardActions

public void uninstallKeyboardActions(JComponent c)

Unregister's default key actions

stateChanged

public void stateChanged(ChangeEvent e)

Description copied from interface: ChangeListener

Invoked when the target of the listener has changed its state.

Specified by:: stateChanged in interface ChangeListener

Parameters:: e - a ChangeEvent object

focusGained

public void focusGained(FocusEvent e)

Description copied from interface: FocusListener

Invoked when a component gains the keyboard focus.

Specified by:: focusGained in interface FocusListener

focusLost

public void focusLost(FocusEvent e)

Description copied from interface: FocusListener

Invoked when a component loses the keyboard focus.

Specified by:: focusLost in interface FocusListener

mouseMoved

public void mouseMoved(MouseEvent e)

Description copied from interface: MouseMotionListener

Invoked when the mouse cursor has been moved onto a component but no buttons have been pushed.

Specified by:: mouseMoved in interface MouseMotionListener

mouseDragged

public void mouseDragged(MouseEvent e)

Description copied from interface: MouseMotionListener

Invoked when a mouse button is pressed on a component and then dragged. MOUSE_DRAGGED events will continue to be delivered to the component where the drag originated until the mouse button is released (regardless of whether the mouse position is within the bounds of the component).

Due to platform-dependent Drag&Drop implementations, MOUSE_DRAGGED events may not be delivered during a native Drag&Drop operation.

Specified by:: mouseDragged in interface MouseMotionListener