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Class com.sun.java.swing.UIManager

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

public class UIManager

extends java.lang.Object

implements java.io.Serializable

This class keeps track of the current look and feel and its defaults.

We manage three levels of defaults: user defaults, look and feel defaults, system defaults. A call to UIManager.get() checks all three levels in order and returns the first non-null value for a key, if any. A call to UIManager.put() just affects the user defaults. Note that a call to setLookAndFeel() doesn't affect the user defaults, it just replaces the middle defaults "level".

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.

See Also:

Serialized Form

Inner Class Summary

static

UIManager.LookAndFeelInfo Provide a little information about an installed LookAndFeel for the sake of configuring a menu or for initial application set up.

Method Summary

static void	addPropertyChangeListener(java.beans.PropertyChangeListener listener) Add a PropertyChangeListener to the listener list.
static LookAndFeel[]	getAuxiliaryLookAndFeels() Return the list of auxiliary look and feels (can be null).
static Border	getBorder(java.lang.Object key)
static java.awt.Color	getColor(java.lang.Object key)
static java.lang.String	getCrossPlatformLookAndFeelClassName() Returns the name of the LookAndFeel class that implements the default cross platform look and feel, i.e. the "Java Look and Feel", or JLF.
static UIDefaults	getDefaults()
static java.awt.Font	getFont(java.lang.Object key)
static Icon	getIcon(java.lang.Object key)
static UIManager.LookAndFeelInfo[]	getInstalledLookAndFeels() Return an array of objects that provide some information about the LookAndFeel implementations that have been installed with this java development kit.
static UIDefaults	getLookAndFeelDefaults()
static LookAndFeel	getLookAndFeel() Returns The current default look and feel, or null.
static java.lang.String	getString(java.lang.Object key)
static java.lang.String	getSystemLookAndFeelClassName() Returns the name of the LookAndFeel class that implements the native systems look and feel if there is one, otherwise the name of the default cross platform LookAndFeel class.
static java.lang.Object	get(java.lang.Object key)
static com.sun.java.swing.plaf.ComponentUI	getUI(JComponent target)
static void	installLookAndFeel(UIManager.LookAndFeelInfo info) Adds the specified look and feel to the current array and then calls setInstalledLookAndFeels.
static void	installLookAndFeel(java.lang.String name, java.lang.String className)
static java.lang.Object	put(java.lang.Object key, java.lang.Object value)
static void	removePropertyChangeListener(java.beans.PropertyChangeListener listener) Remove a PropertyChangeListener from the listener list.
static void	setInstalledLookAndFeels(UIManager.LookAndFeelInfo[] infos) Replaces the current array of installed LookAndFeelInfos.
static void	setLookAndFeel(LookAndFeel newLookAndFeel) Set the current default look and feel.
static void	setLookAndFeel(java.lang.String className)

Methods inherited from class java.lang.Object

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

Method Detail

getInstalledLookAndFeels

public static UIManager.LookAndFeelInfo[] getInstalledLookAndFeels()

Return an array of objects that provide some information about the LookAndFeel implementations that have been installed with this java development kit. The LookAndFeel info objects can be used by an application to construct a menu of look and feel options for the user or to set the look and feel at start up time. Note that we do not return the LookAndFeel classes themselves here to avoid the cost of unnecessarily loading them.

Given a LookAndFeelInfo object one can set the current look and feel like this:

 UIManager.setLookAndFeel(info.getClassName());
 

See Also:

setLookAndFeel

setInstalledLookAndFeels

public static void setInstalledLookAndFeels(UIManager.LookAndFeelInfo[] infos)
                                    throws java.lang.SecurityException

Replaces the current array of installed LookAndFeelInfos.

See Also:

getInstalledLookAndFeels

installLookAndFeel

public static void installLookAndFeel(UIManager.LookAndFeelInfo info)

Adds the specified look and feel to the current array and then calls setInstalledLookAndFeels.

See Also:

setInstalledLookAndFeels

installLookAndFeel

public static void installLookAndFeel(java.lang.String name,
                                      java.lang.String className)

getLookAndFeel

public static LookAndFeel getLookAndFeel()

Returns The current default look and feel, or null.

Returns:

The current default look and feel, or null.

See Also:

setLookAndFeel

setLookAndFeel

public static void setLookAndFeel(LookAndFeel newLookAndFeel)
                          throws UnsupportedLookAndFeelException

Set the current default look and feel.

This is a JavaBeans bound property.

Throws:

UnsupportedLookAndFeelException - If lnf.isSupportedLookAndFeel() is false.

See Also:

getLookAndFeel

setLookAndFeel

public static void setLookAndFeel(java.lang.String className)
                          throws java.lang.ClassNotFoundException,
                                 java.lang.InstantiationException,
                                 java.lang.IllegalAccessException,
                                 UnsupportedLookAndFeelException

Throws:

java.lang.ClassNotFoundException - If the LookAndFeel class could not be found.

java.lang.InstantiationException - If a new instance of the class couldn't be creatd.

java.lang.IllegalAccessException - If the class or initializer isn't accessible.

UnsupportedLookAndFeelException - If lnf.isSupportedLookAndFeel() is false.

getSystemLookAndFeelClassName

public static java.lang.String getSystemLookAndFeelClassName()

Returns the name of the LookAndFeel class that implements the native systems look and feel if there is one, otherwise the name of the default cross platform LookAndFeel class.

See Also:

#setLookAndFeel(), getCrossPlatformLookAndFeelClassName

getCrossPlatformLookAndFeelClassName

public static java.lang.String getCrossPlatformLookAndFeelClassName()

Returns the name of the LookAndFeel class that implements the default cross platform look and feel, i.e. the "Java Look and Feel", or JLF.

Returns:

a string with the JLF implementation-class

See Also:

#setLookAndFeel(), getSystemLookAndFeelClassName

getDefaults

public static UIDefaults getDefaults()

getFont

public static java.awt.Font getFont(java.lang.Object key)

getColor

public static java.awt.Color getColor(java.lang.Object key)

getIcon

public static Icon getIcon(java.lang.Object key)

getBorder

public static Border getBorder(java.lang.Object key)

getString

public static java.lang.String getString(java.lang.Object key)

get

public static java.lang.Object get(java.lang.Object key)

put

public static java.lang.Object put(java.lang.Object key,
                         java.lang.Object value)

getUI

public static com.sun.java.swing.plaf.ComponentUI getUI(JComponent target)

getLookAndFeelDefaults

public static UIDefaults getLookAndFeelDefaults()

getAuxiliaryLookAndFeels

public static LookAndFeel[] getAuxiliaryLookAndFeels()

Return the list of auxiliary look and feels (can be null). The auxiliary look and feels tell the multiplexing look and feel what other LookAndFeel classes for a component instance are to be used in addition to the default LookAndFeel class when creating a multiplexing UI.

Note these are not the same as the installed look and feels.

See Also:

getInstalledLookAndFeels

addPropertyChangeListener

public static void addPropertyChangeListener(java.beans.PropertyChangeListener listener)

Add a PropertyChangeListener to the listener list. The listener is registered for all properties.

Parameters:

listener - The PropertyChangeListener to be added

See Also:

java.beans.PropertyChangeSupport

removePropertyChangeListener

public static void removePropertyChangeListener(java.beans.PropertyChangeListener listener)

Remove a PropertyChangeListener from the listener list. This removes a PropertyChangeListener that was registered for all properties.

Parameters:

listener - The PropertyChangeListener to be removed

See Also:

java.beans.PropertyChangeSupport