Class MetalMenuBarUI

• java.lang.Object
• • javax.swing.plaf.ComponentUI
  • • javax.swing.plaf.MenuBarUI
    • • javax.swing.plaf.basic.BasicMenuBarUI
      • • javax.swing.plaf.metal.MetalMenuBarUI

public class MetalMenuBarUI
extends BasicMenuBarUI

Metal implementation of MenuBarUI. This class is responsible for providing the metal look and feel for JMenuBars.

Since:

1.5

See Also:

MenuBarUI

Fields

Fields inherited from class javax.swing.plaf.basic.BasicMenuBarUI

changeListener, containerListener, menuBar

Constructors

MetalMenuBarUI

public MetalMenuBarUI()

Methods

createUI

public static ComponentUI createUI(JComponent x)

Creates the ComponentUI implementation for the passed in component.

Parameters:

x - JComponent to create the ComponentUI implementation for

Returns:

ComponentUI implementation for x

Throws:

NullPointerException - if x is null

installUI

public void installUI(JComponent c)

Configures the specified component appropriate for the metal look and feel.

Overrides:

installUI in class BasicMenuBarUI

Parameters:

c - the component where this UI delegate is being installed

Throws:

NullPointerException - if c is null.

See Also:

ComponentUI.uninstallUI(javax.swing.JComponent), JComponent.setUI(javax.swing.plaf.ComponentUI), JComponent.updateUI()

uninstallUI

public void uninstallUI(JComponent c)

Reverses configuration which was done on the specified component during installUI.

Overrides:

uninstallUI in class BasicMenuBarUI

Parameters:

c - the component where this UI delegate is being installed

Throws:

NullPointerException - if c is null.

See Also:

ComponentUI.installUI(javax.swing.JComponent), JComponent.updateUI()

update

public void update(Graphics g,
                   JComponent c)

If necessary paints the background of the component, then invokes paint.

Overrides:

update in class ComponentUI

Parameters:

g - Graphics to paint to

c - JComponent painting on

Throws:

NullPointerException - if g or c is null

Since:

1.5

See Also:

ComponentUI.update(java.awt.Graphics, javax.swing.JComponent), ComponentUI.paint(java.awt.Graphics, javax.swing.JComponent)