java.lang.Object
javax.swing.plaf.ComponentUI
javax.swing.plaf.ComboBoxUI
javax.swing.plaf.basic.BasicComboBoxUI
javax.swing.plaf.synth.SynthComboBoxUI
- All Implemented Interfaces:
PropertyChangeListener
,EventListener
,SynthConstants
,SynthUI
Provides the Synth L&F UI delegate for
JComboBox
.- Since:
- 1.7
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Nested Class Summary
Nested classes/interfaces declared in class javax.swing.plaf.basic.BasicComboBoxUI
BasicComboBoxUI.ComboBoxLayoutManager, BasicComboBoxUI.FocusHandler, BasicComboBoxUI.ItemHandler, BasicComboBoxUI.KeyHandler, BasicComboBoxUI.ListDataHandler, BasicComboBoxUI.PropertyChangeHandler
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Field Summary
Fields declared in class javax.swing.plaf.basic.BasicComboBoxUI
arrowButton, cachedMinimumSize, comboBox, currentValuePane, editor, focusListener, hasFocus, isMinimumSizeDirty, itemListener, keyListener, listBox, listDataListener, padding, popup, popupKeyListener, popupMouseListener, popupMouseMotionListener, propertyChangeListener, squareButton
Fields declared in interface javax.swing.plaf.synth.SynthConstants
DEFAULT, DISABLED, ENABLED, FOCUSED, MOUSE_OVER, PRESSED, SELECTED
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionstatic ComponentUI
Creates a new UI object for the given component.Returns the Context for the specified component.protected Dimension
Returns the default size of an empty display area of the combo box using the current renderer and font.The minimum size is the size of the display area plus insets plus the button.void
Configures the specified component appropriately for the look and feel.void
paint
(Graphics g, JComponent c) Paints the specified component according to the Look and Feel.protected void
paint
(SynthContext context, Graphics g) Paints the specified component.void
paintBorder
(SynthContext context, Graphics g, int x, int y, int w, int h) Paints the border.void
paintCurrentValue
(Graphics g, Rectangle bounds, boolean hasFocus) Paints the currently selected item.void
This method gets called when a bound property is changed.void
update
(Graphics g, JComponent c) Notifies this UI delegate to repaint the specified component.Methods declared in class javax.swing.plaf.basic.BasicComboBoxUI
addEditor, configureArrowButton, configureEditor, createArrowButton, createEditor, createFocusListener, createItemListener, createKeyListener, createLayoutManager, createListDataListener, createPopup, createPropertyChangeListener, createRenderer, getBaseline, getBaselineResizeBehavior, getDisplaySize, getInsets, getSizeForComponent, installComponents, installDefaults, installKeyboardActions, installListeners, isFocusTraversable, isNavigationKey, isPopupVisible, paintCurrentValueBackground, rectangleForCurrentValue, removeEditor, selectNextPossibleValue, selectPreviousPossibleValue, setPopupVisible, toggleOpenClose, unconfigureArrowButton, unconfigureEditor, uninstallComponents, uninstallDefaults, uninstallKeyboardActions, uninstallListeners
Methods declared in class javax.swing.plaf.ComponentUI
contains, getAccessibleChild, getAccessibleChildrenCount, getMaximumSize, getPreferredSize, uninstallUI
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Constructor Details
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SynthComboBoxUI
public SynthComboBoxUI()Constructs aSynthComboBoxUI
.
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Method Details
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createUI
Creates a new UI object for the given component.- Parameters:
c
- component to create UI object for- Returns:
- the UI object
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installUI
Configures the specified component appropriately for the look and feel. This method is invoked when theComponentUI
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 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
in classComponentUI
- Parameters:
c
- the component where this UI delegate is being installed- See Also:
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getContext
Returns the Context for the specified component.- Specified by:
getContext
in interfaceSynthUI
- Parameters:
c
- Component requesting SynthContext.- Returns:
- SynthContext describing component.
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propertyChange
This method gets called when a bound property is changed.- Specified by:
propertyChange
in interfacePropertyChangeListener
- Parameters:
e
- A PropertyChangeEvent object describing the event source and the property that has changed.
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update
Notifies this UI delegate to repaint the specified component. This method paints the component background, then calls thepaint(SynthContext,Graphics)
method.In general, this method does not need to be overridden by subclasses. All Look and Feel rendering code should reside in the
paint
method.- Overrides:
update
in classComponentUI
- Parameters:
g
- theGraphics
object used for paintingc
- the component being painted- See Also:
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getMinimumSize
The minimum size is the size of the display area plus insets plus the button.- Overrides:
getMinimumSize
in classBasicComboBoxUI
- Parameters:
c
- the component whose minimum size is being queried; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components- Returns:
- a
Dimension
object ornull
- See Also:
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paint
Paints the specified component according to the Look and Feel.This method is not used by Synth Look and Feel. Painting is handled by the
paint(SynthContext,Graphics)
method.- Overrides:
paint
in classComponentUI
- Parameters:
g
- theGraphics
object used for paintingc
- the component being painted- See Also:
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paint
Paints the specified component.- Parameters:
context
- context for the component being paintedg
- theGraphics
object used for painting- See Also:
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paintBorder
Paints the border.- Specified by:
paintBorder
in interfaceSynthUI
- Parameters:
context
- a component contextg
-Graphics
to paint onx
- the X coordinatey
- the Y coordinatew
- width of the borderh
- height of the border
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paintCurrentValue
Paints the currently selected item.- Overrides:
paintCurrentValue
in classBasicComboBoxUI
- Parameters:
g
- an instance ofGraphics
bounds
- a bounding rectangle to render tohasFocus
- is focused
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getDefaultSize
Returns the default size of an empty display area of the combo box using the current renderer and font. This method was overridden to use SynthComboBoxRenderer instead of DefaultListCellRenderer as the default renderer when calculating the size of the combo box. This is used in the case of the combo not having any data.- Overrides:
getDefaultSize
in classBasicComboBoxUI
- Returns:
- the size of an empty display area
- See Also:
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