BasicViewportUI (Java 2 Platform SE 5.0) (original) (raw)

javax.swing.plaf.basic

Class BasicViewportUI

java.lang.Object extended by javax.swing.plaf.ComponentUI javax.swing.plaf.ViewportUI javax.swing.plaf.basic.BasicViewportUI

public class BasicViewportUI

extends ViewportUI

BasicViewport implementation

Constructor Summary
BasicViewportUI()

Method Summary
static ComponentUI	createUI(JComponent c)
protected void	installDefaults(JComponent c)
void	installUI(JComponent c) Configures the specified component appropriate for the look and feel.
protected void	uninstallDefaults(JComponent c)
void	uninstallUI(JComponent c) Reverses configuration which was done on the specified component duringinstallUI.

Methods inherited from class javax.swing.plaf.ComponentUI
[contains](../../../../javax/swing/plaf/ComponentUI.html#contains%28javax.swing.JComponent, int, int%29), [getAccessibleChild](../../../../javax/swing/plaf/ComponentUI.html#getAccessibleChild%28javax.swing.JComponent, int%29), getAccessibleChildrenCount, getMaximumSize, getMinimumSize, getPreferredSize, [paint](../../../../javax/swing/plaf/ComponentUI.html#paint%28java.awt.Graphics, javax.swing.JComponent%29), [update](../../../../javax/swing/plaf/ComponentUI.html#update%28java.awt.Graphics, javax.swing.JComponent%29)

Methods inherited from class javax.swing.plaf.ComponentUI

[contains](../../../../javax/swing/plaf/ComponentUI.html#contains%28javax.swing.JComponent, int, int%29), [getAccessibleChild](../../../../javax/swing/plaf/ComponentUI.html#getAccessibleChild%28javax.swing.JComponent, int%29), getAccessibleChildrenCount, getMaximumSize, getMinimumSize, getPreferredSize, [paint](../../../../javax/swing/plaf/ComponentUI.html#paint%28java.awt.Graphics, javax.swing.JComponent%29), [update](../../../../javax/swing/plaf/ComponentUI.html#update%28java.awt.Graphics, javax.swing.JComponent%29)

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, [wait](../../../../java/lang/Object.html#wait%28long, int%29)

Constructor Detail

BasicViewportUI

public BasicViewportUI()

Method Detail

createUI

public static ComponentUI createUI(JComponent c)

installUI

public void installUI(JComponent c)

Description copied from class: [ComponentUI](../../../../javax/swing/plaf/ComponentUI.html#installUI%28javax.swing.JComponent%29)

Configures the specified component appropriate for the look and feel. This method is invoked when the ComponentUI instance is being installed as the UI delegate on the specified component. This method should completely configure the component for the look and feel, including the following:

Install any default property values for color, fonts, borders, icons, opacity, etc. on the component. Whenever possible, property values initialized by the client program should not be overridden.
Install a LayoutManager on the component if necessary.
Create/add any required sub-components to the component.
Create/install event listeners on the component.
Create/install a PropertyChangeListener on the component in order to detect and respond to component property changes appropriately.
Install keyboard UI (mnemonics, traversal, etc.) on the component.
Initialize any appropriate instance data.

Overrides:

[installUI](../../../../javax/swing/plaf/ComponentUI.html#installUI%28javax.swing.JComponent%29) in class [ComponentUI](../../../../javax/swing/plaf/ComponentUI.html "class in javax.swing.plaf")

Parameters:

c - the component where this UI delegate is being installed

uninstallUI

public void uninstallUI(JComponent c)

Description copied from class: [ComponentUI](../../../../javax/swing/plaf/ComponentUI.html#uninstallUI%28javax.swing.JComponent%29)

Reverses configuration which was done on the specified component duringinstallUI. This method is invoked when this UIComponent instance is being removed as the UI delegate for the specified component. This method should undo the configuration performed in installUI, being careful to leave the JComponent instance in a clean state (no extraneous listeners, look-and-feel-specific property objects, etc.). This should include the following:

Remove any UI-set borders from the component.
Remove any UI-set layout managers on the component.
Remove any UI-added sub-components from the component.
Remove any UI-added event/property listeners from the component.
Remove any UI-installed keyboard UI from the component.
Nullify any allocated instance data objects to allow for GC.

Overrides:

[uninstallUI](../../../../javax/swing/plaf/ComponentUI.html#uninstallUI%28javax.swing.JComponent%29) in class [ComponentUI](../../../../javax/swing/plaf/ComponentUI.html "class in javax.swing.plaf")

Parameters:

c - the component from which this UI delegate is being removed; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components

installDefaults

protected void installDefaults(JComponent c)

uninstallDefaults

protected void uninstallDefaults(JComponent c)

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.