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

public class MetalComboBoxUI
extends BasicComboBoxUI

A UI delegate for the JComboBox component.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	MetalComboBoxUI.MetalComboBoxLayoutManager A layout manager that arranges the editor component (if active) and the button that make up the combo box.
class	MetalComboBoxUI.MetalComboPopup Deprecated. 1.4
class	MetalComboBoxUI.MetalPropertyChangeListener A listener used to handle property changes in the JComboBox component, to ensure that the UI delegate accurately reflects the current state in the rendering onscreen.

Nested classes/interfaces inherited from class javax.swing.plaf.basic.BasicComboBoxUI

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

Field Summary

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

Constructors

Constructor and Description
MetalComboBoxUI() Constructs a new instance of MetalComboBoxUI.

Method Summary

Methods

Modifier and Type	Method and Description
void	configureEditor() Configures the editor for this combo box.
protected JButton	createArrowButton() Creates a new button for use in rendering the JComboBox.
protected ComboBoxEditor	createEditor() Creates an editor for the combo box.
protected LayoutManager	createLayoutManager() Creates a new layout manager for the UI delegate.
protected ComboPopup	createPopup() Creates a popup for the combo box.
PropertyChangeListener	createPropertyChangeListener() Creates a new property change listener.
static ComponentUI	createUI(JComponent component) Returns an instance of MetalComboBoxUI.
protected void	editablePropertyChanged(PropertyChangeEvent e) Deprecated. 1.4
Dimension	getMinimumSize(JComponent c) Returns the minimum size for the combo.
void	layoutComboBox(Container parent, MetalComboBoxUI.MetalComboBoxLayoutManager manager) Lays out the ComboBox
void	paint(Graphics g, JComponent c) Paints given menu item using specified graphics context
protected void	removeListeners() Deprecated. 1.4
void	unconfigureEditor() Unconfigures the editor for this combo box.

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

addEditor, configureArrowButton, createFocusListener, createItemListener, createKeyListener, createListDataListener, createRenderer, getAccessibleChild, getAccessibleChildrenCount, getDefaultSize, getDisplaySize, getInsets, getMaximumSize, getPreferredSize, installComponents, installDefaults, installKeyboardActions, installListeners, installUI, isFocusTraversable, isNavigationKey, isPopupVisible, paintCurrentValue, paintCurrentValueBackground, rectangleForCurrentValue, removeEditor, selectNextPossibleValue, selectPreviousPossibleValue, setPopupVisible, toggleOpenClose, unconfigureArrowButton, uninstallComponents, uninstallDefaults, uninstallKeyboardActions, uninstallListeners, uninstallUI

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()

Constructs a new instance of MetalComboBoxUI.

Method Detail

createUI

public static ComponentUI createUI(JComponent component)

Returns an instance of MetalComboBoxUI.

Parameters:

component - the component for which we return an UI instance

Returns:

an instance of MetalComboBoxUI

createEditor

protected ComboBoxEditor createEditor()

Creates an editor for the combo box.

Overrides:

createEditor in class BasicComboBoxUI

Returns:

An editor.

createPopup

protected ComboPopup createPopup()

Creates a popup for the combo box.

Overrides:

createPopup in class BasicComboBoxUI

Returns:

A popup.

createArrowButton

protected JButton createArrowButton()

Creates a new button for use in rendering the JComboBox.

Overrides:

createArrowButton in class BasicComboBoxUI

Returns:

A button.

createPropertyChangeListener

public PropertyChangeListener createPropertyChangeListener()

Creates a new property change listener.

Overrides:

createPropertyChangeListener in class BasicComboBoxUI

Returns:

A new property change listener.

paint

public void paint(Graphics g,
         JComponent c)

Description copied from class: BasicComboBoxUI

Paints given menu item using specified graphics context

Overrides:

paint in class BasicComboBoxUI

Parameters:

g - The graphics context used to paint this combo box

c - comboBox which needs to be painted.

editablePropertyChanged

protected void editablePropertyChanged(PropertyChangeEvent e)

Deprecated. 1.4

Updates the button and text field to reflect a change in the 'editable' property.

Parameters:

e - the event.

createLayoutManager

protected LayoutManager createLayoutManager()

Creates a new layout manager for the UI delegate.

Overrides:

createLayoutManager in class BasicComboBoxUI

Returns:

A new layout manager.

removeListeners

protected void removeListeners()

Deprecated. 1.4

Not used in Classpath.

getMinimumSize

public Dimension getMinimumSize(JComponent c)

Returns the minimum size for the combo.

Overrides:

getMinimumSize in class BasicComboBoxUI

Parameters:

c - the component

Returns:

The minimum size for the combo box.

configureEditor

public void configureEditor()

Configures the editor for this combo box.

Overrides:

configureEditor in class BasicComboBoxUI

unconfigureEditor

public void unconfigureEditor()

Unconfigures the editor for this combo box.

Overrides:

unconfigureEditor in class BasicComboBoxUI

layoutComboBox

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

Lays out the ComboBox