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javax.swing.plaf.metal
Class MetalScrollPaneUI

java.lang.Object
  extended by javax.swing.plaf.ComponentUI
      extended by javax.swing.plaf.ScrollPaneUI
          extended by javax.swing.plaf.basic.BasicScrollPaneUI
              extended by javax.swing.plaf.metal.MetalScrollPaneUI
All Implemented Interfaces:
ScrollPaneConstants

public class MetalScrollPaneUI
extends BasicScrollPaneUI

A Metal L&F implementation of ScrollPaneUI.

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 applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeansTM has been added to the java.beans package. Please see XMLEncoder.


Nested Class Summary
 
Nested classes/interfaces inherited from class javax.swing.plaf.basic.BasicScrollPaneUI
BasicScrollPaneUI.HSBChangeListener, BasicScrollPaneUI.MouseWheelHandler, BasicScrollPaneUI.PropertyChangeHandler, BasicScrollPaneUI.ViewportChangeHandler, BasicScrollPaneUI.VSBChangeListener
 
Field Summary
 
Fields inherited from class javax.swing.plaf.basic.BasicScrollPaneUI
hsbChangeListener, scrollpane, spPropertyChangeListener, viewportChangeListener, vsbChangeListener
 
Fields inherited from interface javax.swing.ScrollPaneConstants
COLUMN_HEADER, HORIZONTAL_SCROLLBAR, HORIZONTAL_SCROLLBAR_ALWAYS, HORIZONTAL_SCROLLBAR_AS_NEEDED, HORIZONTAL_SCROLLBAR_NEVER, HORIZONTAL_SCROLLBAR_POLICY, LOWER_LEADING_CORNER, LOWER_LEFT_CORNER, LOWER_RIGHT_CORNER, LOWER_TRAILING_CORNER, ROW_HEADER, UPPER_LEADING_CORNER, UPPER_LEFT_CORNER, UPPER_RIGHT_CORNER, UPPER_TRAILING_CORNER, VERTICAL_SCROLLBAR, VERTICAL_SCROLLBAR_ALWAYS, VERTICAL_SCROLLBAR_AS_NEEDED, VERTICAL_SCROLLBAR_NEVER, VERTICAL_SCROLLBAR_POLICY, VIEWPORT
 
Constructor Summary
MetalScrollPaneUI()
           
 
Method Summary
protected  PropertyChangeListener createScrollBarSwapListener()
           
static ComponentUI createUI(JComponent x)
           
 void installListeners(JScrollPane scrollPane)
           
 void installUI(JComponent c)
          Configures the specified component appropriate for the look and feel.
 void uninstallListeners(JScrollPane scrollPane)
           
 void uninstallUI(JComponent c)
          Reverses configuration which was done on the specified component during installUI.
 
Methods inherited from class javax.swing.plaf.basic.BasicScrollPaneUI
createHSBChangeListener, createMouseWheelListener, createPropertyChangeListener, createViewportChangeListener, createVSBChangeListener, getBaseline, getBaselineResizeBehavior, getMaximumSize, installDefaults, installKeyboardActions, paint, syncScrollPaneWithViewport, uninstallDefaults, uninstallKeyboardActions, uninstallListeners, updateColumnHeader, updateRowHeader, updateScrollBarDisplayPolicy, updateViewport
 
Methods inherited from class javax.swing.plaf.ComponentUI
contains, getAccessibleChild, getAccessibleChildrenCount, getMinimumSize, getPreferredSize, update
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

MetalScrollPaneUI

public MetalScrollPaneUI()
Method Detail

createUI

public static ComponentUI createUI(JComponent x)

installUI

public void installUI(JComponent c)
Description copied from class: ComponentUI
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:
  1. 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.
  2. Install a LayoutManager on the component if necessary.
  3. Create/add any required sub-components to the component.
  4. Create/install event listeners on the component.
  5. Create/install a PropertyChangeListener on the component in order to detect and respond to component property changes appropriately.
  6. Install keyboard UI (mnemonics, traversal, etc.) on the component.
  7. Initialize any appropriate instance data.

Overrides:
installUI in class BasicScrollPaneUI
Parameters:
c - the component where this UI delegate is being installed
See Also:
ComponentUI.uninstallUI(javax.swing.JComponent), JComponent.setUI(javax.swing.plaf.ComponentUI), JComponent.updateUI()

uninstallUI

public void uninstallUI(JComponent c)
Description copied from class: ComponentUI
Reverses configuration which was done on the specified component during installUI. 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:
  1. Remove any UI-set borders from the component.
  2. Remove any UI-set layout managers on the component.
  3. Remove any UI-added sub-components from the component.
  4. Remove any UI-added event/property listeners from the component.
  5. Remove any UI-installed keyboard UI from the component.
  6. Nullify any allocated instance data objects to allow for GC.

Overrides:
uninstallUI in class BasicScrollPaneUI
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
See Also:
ComponentUI.installUI(javax.swing.JComponent), JComponent.updateUI()

installListeners

public void installListeners(JScrollPane scrollPane)
Overrides:
installListeners in class BasicScrollPaneUI

uninstallListeners

public void uninstallListeners(JScrollPane scrollPane)

createScrollBarSwapListener

protected PropertyChangeListener createScrollBarSwapListener()

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