Class MetalMenuBarUI

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:

Field Summary

Fields declared in class BasicMenuBarUI

changeListener, containerListener, menuBar

Modifier and Type	Field	Description
`protected ChangeListener`	`changeListener`	The instance of `ChangeListener`.
`protected ContainerListener`	`containerListener`	The instance of `ContainerListener`.
`protected JMenuBar`	`menuBar`	The instance of `JMenuBar`.

Constructor Summary

Constructor	Description
`MetalMenuBarUI()`	Constructs a `MetalMenuBarUI`.

Method Summary

Modifier and Type	Method	Description
`static ComponentUI`	`createUI(JComponent x)`	Creates the `ComponentUI` implementation for the passed in component.
`void`	`installUI(JComponent c)`	Configures the specified component appropriate for the metal look and feel.
`void`	`uninstallUI(JComponent c)`	Reverses configuration which was done on the specified component during `installUI`.
`void`	`update(Graphics g, JComponent c)`	If necessary paints the background of the component, then invokes `paint`.

Methods declared in class BasicMenuBarUI

createChangeListener, createContainerListener, installDefaults, installKeyboardActions, installListeners, uninstallDefaults, uninstallKeyboardActions, uninstallListeners

Modifier and Type	Method	Description
`protected ChangeListener`	`createChangeListener()`	Returns an instance of `ChangeListener`.
`protected ContainerListener`	`createContainerListener()`	Returns an instance of `ContainerListener`.
`protected void`	`installDefaults()`	Installs default properties.
`protected void`	`installKeyboardActions()`	Registers keyboard actions.
`protected void`	`installListeners()`	Registers listeners.
`protected void`	`uninstallDefaults()`	Uninstalls default properties.
`protected void`	`uninstallKeyboardActions()`	Unregisters keyboard actions.
`protected void`	`uninstallListeners()`	Unregisters listeners.

Methods declared in class ComponentUI

contains, getAccessibleChild, getAccessibleChildrenCount, getBaseline, getBaselineResizeBehavior, getMaximumSize, getMinimumSize, getPreferredSize, paint

Modifier and Type	Method	Description
`boolean`	`contains(JComponent c, int x, int y)`	Returns `true` if the specified x,y location is contained within the look and feel's defined shape of the specified component.
`Accessible`	`getAccessibleChild(JComponent c, int i)`	Returns the `i`th `Accessible` child of the object.
`int`	`getAccessibleChildrenCount(JComponent c)`	Returns the number of accessible children in the object.
`int`	`getBaseline(JComponent c, int width, int height)`	Returns the baseline.
`Component.BaselineResizeBehavior`	`getBaselineResizeBehavior(JComponent c)`	Returns an enum indicating how the baseline of the component changes as the size changes.
`Dimension`	`getMaximumSize(JComponent c)`	Returns the specified component's maximum size appropriate for the look and feel.
`Dimension`	`getMinimumSize(JComponent c)`	Returns the specified component's minimum size appropriate for the look and feel.
`Dimension`	`getPreferredSize(JComponent c)`	Returns the specified component's preferred size appropriate for the look and feel.
`void`	`paint(Graphics g, JComponent c)`	Paints the specified component appropriately for the look and feel.

Methods declared in class Object

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

Modifier and Type	Method	Description
`protected Object`	`clone()`	Creates and returns a copy of this object.
`boolean`	`equals(Object obj)`	Indicates whether some other object is "equal to" this one.
`protected void`	`finalize()`	Deprecated, for removal: This API element is subject to removal in a future version. Finalization is deprecated and subject to removal in a future release.
`final Class<?>`	`getClass()`	Returns the runtime class of this `Object`.
`int`	`hashCode()`	Returns a hash code value for this object.
`final void`	`notify()`	Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()`	Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()`	Returns a string representation of the object.
`final void`	`wait()`	Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
`final void`	`wait(long timeoutMillis)`	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait(long timeoutMillis, int nanos)`	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

Constructor Details

MetalMenuBarUI

public MetalMenuBarUI()

Constructs a MetalMenuBarUI.

Method Details

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 ComponentUI

Parameters:

c - the component where this UI delegate is being installed

Throws:

NullPointerException - if c is null.

See Also:

uninstallUI

public void uninstallUI(JComponent c)

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

Overrides:

uninstallUI in class ComponentUI

Parameters:

c - the component where this UI delegate is being installed

Throws:

NullPointerException - if c is null.

See Also:

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:

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