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Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Class MetalComboBoxUI - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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javax.swing.plaf.metal
Class MetalComboBoxUI

java.lang.Object
  |
  +--javax.swing.plaf.ComponentUI
        |
        +--javax.swing.plaf.ComboBoxUI
              |
              +--javax.swing.plaf.basic.BasicComboBoxUI
                    |
                    +--javax.swing.plaf.metal.MetalComboBoxUI

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public class MetalComboBoxUI

extends BasicComboBoxUI

Metal UI for JComboBox

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. A future release of Swing will provide support for long term persistence.

See Also:

MetalComboBoxListCellRenderer, MetalPopupMenuBorder

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Inner Class Summary
class	MetalComboBoxUI.MetalComboBoxLayoutManager           This inner class is marked "public" due to a compiler bug.
class	MetalComboBoxUI.MetalComboPopup           This inner class is marked "public" due to a compiler bug.
class	MetalComboBoxUI.MetalPropertyChangeListener           This inner class is marked "public" due to a compiler bug.

 

Inner classes inherited from class javax.swing.plaf.basic.BasicComboBoxUI

BasicComboBoxUI.ComboBoxLayoutManager, BasicComboBoxUI.FocusHandler, BasicComboBoxUI.ItemHandler, BasicComboBoxUI.KeyHandler, BasicComboBoxUI.ListDataHandler, BasicComboBoxUI.PropertyChangeHandler

 

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

arrowButton, cachedMinimumSize, comboBox, currentValuePane, editor, focusListener, hasFocus, isMinimumSizeDirty, itemListener, keyListener, listBox, listDataListener, popup, popupKeyListener, popupMouseListener, popupMouseMotionListener, propertyChangeListener

 

Constructor Summary

MetalComboBoxUI()

 

Method Summary
void	configureArrowButton()           Configures the arrow button by adding listeners.
void	configureEditor()           Configures the editor by setting its font and adding listeners.
protected  JButton	createArrowButton()           Creates the arrow button.
protected  ComboBoxEditor	createEditor()           Creates the editor that is to be used in editable combo boxes.
protected  LayoutManager	createLayoutManager()           Creates the standard combo box layout manager that has the arrow button to the right and the editor to the left.
protected  ComboPopup	createPopup()           Creates an implementation of the ComboPopup interface.
PropertyChangeListener	createPropertyChangeListener()           Creates the list data listener that is used for caching the preferred sizes.
static ComponentUI	createUI(JComponent c)
protected  void	editablePropertyChanged(PropertyChangeEvent e)
Dimension	getMinimumSize(JComponent c)
protected  void	installKeyboardActions()           Adds keyboard actions to the JComboBox.
protected  void	installListeners()           Attaches listeners to the JComboBox and JComboBoxModel.
void	installUI(JComponent c)
boolean	isFocusTraversable(JComboBox c)           Determines if the JComboBox is focus traversable.
void	layoutComboBox(Container parent, MetalComboBoxUI.MetalComboBoxLayoutManager manager)
void	paint(Graphics g, JComponent c)
protected  void	removeListeners()
protected  void	selectNextPossibleValue()           Selects the next item in the list.
protected  void	selectPreviousPossibleValue()           Selects the previous item in the list.
void	unconfigureArrowButton()           Unconfigures the arrow button by removing listeners.
void	unconfigureEditor()           Unconfigures the editor by removing listeners.
protected  void	uninstallKeyboardActions()           Removes the keyboard actions that were added by installKeyboardActions().
protected  void	uninstallListeners()           Removes listeners from the JComboBox and JComboBoxModel.
void	uninstallUI(JComponent c)

 

Methods inherited from class javax.swing.plaf.basic.BasicComboBoxUI

addEditor, createFocusListener, createItemListener, createKeyListener, createListDataListener, createRenderer, getAccessibleChild, getAccessibleChildrenCount, getDefaultSize, getDisplaySize, getInsets, getMaximumSize, getPreferredSize, installComponents, installDefaults, isNavigationKey, isPopupVisible, paintCurrentValue, paintCurrentValueBackground, rectangleForCurrentValue, removeEditor, setPopupVisible, toggleOpenClose, uninstallComponents, uninstallDefaults

 

Methods inherited from class javax.swing.plaf.ComponentUI

contains, update

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

MetalComboBoxUI

public MetalComboBoxUI()

Method Detail

createUI

public static ComponentUI createUI(JComponent c)

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installUI

public void installUI(JComponent c)

Overrides:

installUI in class BasicComboBoxUI

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uninstallUI

public void uninstallUI(JComponent c)

Overrides:

uninstallUI in class BasicComboBoxUI

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paint

public void paint(Graphics g,
                  JComponent c)

Overrides:

paint in class BasicComboBoxUI

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createEditor

protected ComboBoxEditor createEditor()

Description copied from class: BasicComboBoxUI

Creates the editor that is to be used in editable combo boxes. This method only gets called if a custom editor has not already been installed in the JComboBox.

Overrides:

createEditor in class BasicComboBoxUI

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createPopup

protected ComboPopup createPopup()

Description copied from class: BasicComboBoxUI

Creates an implementation of the ComboPopup interface. Returns an instance of BasicComboPopup.

Overrides:

createPopup in class BasicComboBoxUI

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createArrowButton

protected JButton createArrowButton()

Description copied from class: BasicComboBoxUI

Creates the arrow button. Subclasses can create any button they like. The default behavior of this class is to attach various listeners to the button returned by this method. Returns an instance of BasicArrowButton.

Overrides:

createArrowButton in class BasicComboBoxUI

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createPropertyChangeListener

public PropertyChangeListener createPropertyChangeListener()

Description copied from class: BasicComboBoxUI

Creates the list data listener that is used for caching the preferred sizes. Returns an instance of BasicComboBoxUI$PropertyChangeHandler.

Overrides:

createPropertyChangeListener in class BasicComboBoxUI

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editablePropertyChanged

protected void editablePropertyChanged(PropertyChangeEvent e)

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createLayoutManager

protected LayoutManager createLayoutManager()

Description copied from class: BasicComboBoxUI

Creates the standard combo box layout manager that has the arrow button to the right and the editor to the left. Returns an instance of BasicComboBoxUI$ComboBoxLayoutManager.

Overrides:

createLayoutManager in class BasicComboBoxUI

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layoutComboBox

public void layoutComboBox(Container parent,
                           MetalComboBoxUI.MetalComboBoxLayoutManager manager)

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isFocusTraversable

public boolean isFocusTraversable(JComboBox c)

Description copied from class: BasicComboBoxUI

Determines if the JComboBox is focus traversable. If the JComboBox is editable this returns false, otherwise it returns true.

Overrides:

isFocusTraversable in class BasicComboBoxUI

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installListeners

protected void installListeners()

Description copied from class: BasicComboBoxUI

Attaches listeners to the JComboBox and JComboBoxModel.

Overrides:

installListeners in class BasicComboBoxUI

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uninstallListeners

protected void uninstallListeners()

Description copied from class: BasicComboBoxUI

Removes listeners from the JComboBox and JComboBoxModel.

Overrides:

uninstallListeners in class BasicComboBoxUI

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removeListeners

protected void removeListeners()

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configureEditor

public void configureEditor()

Description copied from class: BasicComboBoxUI

Configures the editor by setting its font and adding listeners.

Overrides:

configureEditor in class BasicComboBoxUI

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unconfigureEditor

public void unconfigureEditor()

Description copied from class: BasicComboBoxUI

Unconfigures the editor by removing listeners.

Overrides:

unconfigureEditor in class BasicComboBoxUI

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configureArrowButton

public void configureArrowButton()

Description copied from class: BasicComboBoxUI

Configures the arrow button by adding listeners.

Overrides:

configureArrowButton in class BasicComboBoxUI

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unconfigureArrowButton

public void unconfigureArrowButton()

Description copied from class: BasicComboBoxUI

Unconfigures the arrow button by removing listeners.

Overrides:

unconfigureArrowButton in class BasicComboBoxUI

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getMinimumSize

public Dimension getMinimumSize(JComponent c)

Overrides:

getMinimumSize in class BasicComboBoxUI

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selectNextPossibleValue

protected void selectNextPossibleValue()

Description copied from class: BasicComboBoxUI

Selects the next item in the list. It won't change the selection if the currently selected item is already the last item.

Overrides:

selectNextPossibleValue in class BasicComboBoxUI

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selectPreviousPossibleValue

protected void selectPreviousPossibleValue()

Description copied from class: BasicComboBoxUI

Selects the previous item in the list. It won't change the selection if the currently selected item is already the first item.

Overrides:

selectPreviousPossibleValue in class BasicComboBoxUI

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installKeyboardActions

protected void installKeyboardActions()

Description copied from class: BasicComboBoxUI

Adds keyboard actions to the JComboBox. Actions on enter and esc are already supplied. Add more actions as you need them.

Overrides:

installKeyboardActions in class BasicComboBoxUI

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uninstallKeyboardActions

protected void uninstallKeyboardActions()

Description copied from class: BasicComboBoxUI

Removes the keyboard actions that were added by installKeyboardActions().

Overrides:

uninstallKeyboardActions in class BasicComboBoxUI

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