jpicedt.ui.util
Class DebugFocusManager

java.lang.Object
  java.awt.KeyboardFocusManager
      java.awt.DefaultKeyboardFocusManager
          javax.swing.FocusManager
              javax.swing.DefaultFocusManager
                  jpicedt.ui.util.DebugFocusManager

All Implemented Interfaces:

KeyEventDispatcher, KeyEventPostProcessor

public class DebugFocusManager
extends DefaultFocusManager

A subclass of Swing's DefaultFocusManager that aims at helping us debug FocusEvent related bugs

To set this class as Swing's FocusManager, just say :
FocusManager.setCurrentManager(an_instance_of_DebugFocusManager);

Since:

jPicEdt

Author:

Sylvain Reynal

Field Summary

Fields inherited from class javax.swing.FocusManager

FOCUS_MANAGER_CLASS_PROPERTY

Fields inherited from class java.awt.KeyboardFocusManager

BACKWARD_TRAVERSAL_KEYS, DOWN_CYCLE_TRAVERSAL_KEYS, FORWARD_TRAVERSAL_KEYS, UP_CYCLE_TRAVERSAL_KEYS

Constructor Summary

DebugFocusManager()

Method Summary

void	focusNextComponent(Component c) Cause the focus manager to set the focus on the next focusable component Overriden so as to display information about the component.
void	focusPreviousComponent(Component c) Cause the focus manager to set the focus on the previous focusable component Overriden so as to display information about the component.
void	processKeyEvent(Component c, KeyEvent ke) Called by a JComponent when a key event occus.

Methods inherited from class javax.swing.DefaultFocusManager

compareTabOrder, getComponentAfter, getComponentBefore, getFirstComponent, getLastComponent

Methods inherited from class javax.swing.FocusManager

disableSwingFocusManager, getCurrentManager, isFocusManagerEnabled, setCurrentManager

Methods inherited from class java.awt.DefaultKeyboardFocusManager

dequeueKeyEvents, discardKeyEvents, dispatchEvent, dispatchKeyEvent, downFocusCycle, enqueueKeyEvents, postProcessKeyEvent, upFocusCycle

Methods inherited from class java.awt.KeyboardFocusManager

addKeyEventDispatcher, addKeyEventPostProcessor, addPropertyChangeListener, addPropertyChangeListener, addVetoableChangeListener, addVetoableChangeListener, clearGlobalFocusOwner, downFocusCycle, firePropertyChange, fireVetoableChange, focusNextComponent, focusPreviousComponent, getActiveWindow, getCurrentFocusCycleRoot, getCurrentKeyboardFocusManager, getDefaultFocusTraversalKeys, getDefaultFocusTraversalPolicy, getFocusedWindow, getFocusOwner, getGlobalActiveWindow, getGlobalCurrentFocusCycleRoot, getGlobalFocusedWindow, getGlobalFocusOwner, getGlobalPermanentFocusOwner, getKeyEventDispatchers, getKeyEventPostProcessors, getPermanentFocusOwner, getPropertyChangeListeners, getPropertyChangeListeners, getVetoableChangeListeners, getVetoableChangeListeners, redispatchEvent, removeKeyEventDispatcher, removeKeyEventPostProcessor, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, removeVetoableChangeListener, setCurrentKeyboardFocusManager, setDefaultFocusTraversalKeys, setDefaultFocusTraversalPolicy, setGlobalActiveWindow, setGlobalCurrentFocusCycleRoot, setGlobalFocusedWindow, setGlobalFocusOwner, setGlobalPermanentFocusOwner, upFocusCycle

Methods inherited from class java.lang.Object

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

Constructor Detail

DebugFocusManager

public DebugFocusManager()

Method Detail

focusNextComponent

public void focusNextComponent(Component c)

Cause the focus manager to set the focus on the next focusable component

Overriden so as to display information about the component.
author: Sylvain Reynal

Overrides:

focusNextComponent in class DefaultKeyboardFocusManager

Since:

jPicEdt

focusPreviousComponent

public void focusPreviousComponent(Component c)

Cause the focus manager to set the focus on the previous focusable component

Overriden so as to display information about the component.
author: Sylvain Reynal

Overrides:

focusPreviousComponent in class DefaultKeyboardFocusManager

Since:

jPicEdt

processKeyEvent

public void processKeyEvent(Component c,
                            KeyEvent ke)

Called by a JComponent when a key event occus.

Overriden so as to display information about the component.
author: Sylvain Reynal

Overrides:

processKeyEvent in class DefaultKeyboardFocusManager

Parameters:

c - the focused component

ke - the key event

Since:

jPicEdt