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javax.swing
Class DefaultListCellRenderer
java.lang.Object
java.awt.Component
java.awt.Container
javax.swing.JComponent
javax.swing.JLabel
javax.swing.DefaultListCellRenderer
-
All Implemented Interfaces:
-
ImageObserver
,
MenuContainer
,
Serializable
,
Accessible
,
ListCellRenderer
,
SwingConstants
-
Direct Known Subclasses:
-
DefaultListCellRenderer.UIResource
,
MetalFileChooserUI.FileRenderer
,
MetalFileChooserUI.FilterComboBoxRenderer
-
public class DefaultListCellRenderer
- extends JLabel
- implements ListCellRenderer, Serializable
Renders an item in a list.
Implementation Note:
This class overrides invalidate, validate, revalidate, repaint, isOpaque, and firePropertyChange solely to improve performance. If not overridden, these frequently called methods would execute code paths that are unnecessary for the default list cell renderer. If you write your own renderer, take care to weigh the benefits and drawbacks of overriding these methods.
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 JavaBeans
TM
has been added to the java.beans package. Please see
XMLEncoder
.
Nested classes/interfaces inherited from class javax.swing.
JLabel
|
JLabel.AccessibleJLabel
|
Nested classes/interfaces inherited from class javax.swing.
JComponent
|
JComponent.AccessibleJComponent
|
Nested classes/interfaces inherited from class java.awt.
Container
|
Container.AccessibleAWTContainer
|
Fields inherited from interface javax.swing.
SwingConstants
|
BOTTOM
,
CENTER
,
EAST
,
HORIZONTAL
,
LEADING
,
LEFT
,
NEXT
,
NORTH
,
NORTH_EAST
,
NORTH_WEST
,
PREVIOUS
,
RIGHT
,
SOUTH
,
SOUTH_EAST
,
SOUTH_WEST
,
TOP
,
TRAILING
,
VERTICAL
,
WEST
|
Fields inherited from interface java.awt.image.
ImageObserver
|
ABORT
,
ALLBITS
,
ERROR
,
FRAMEBITS
,
HEIGHT
,
PROPERTIES
,
SOMEBITS
,
WIDTH
|
Method Summary
|
void |
firePropertyChange
(
String
propertyName, boolean oldValue, boolean newValue)
Overridden for performance reasons. |
void |
firePropertyChange
(
String
propertyName, byte oldValue, byte newValue)
Overridden for performance reasons. |
void |
firePropertyChange
(
String
propertyName, char oldValue, char newValue)
Overridden for performance reasons. |
void |
firePropertyChange
(
String
propertyName, double oldValue, double newValue)
Overridden for performance reasons. |
void |
firePropertyChange
(
String
propertyName, float oldValue, float newValue)
Overridden for performance reasons. |
void |
firePropertyChange
(
String
propertyName, int oldValue, int newValue)
Overridden for performance reasons. |
void |
firePropertyChange
(
String
propertyName, long oldValue, long newValue)
Overridden for performance reasons. |
protected void |
firePropertyChange
(
String
propertyName,
Object
oldValue,
Object
newValue)
Overridden for performance reasons. |
void |
firePropertyChange
(
String
propertyName, short oldValue, short newValue)
Overridden for performance reasons. |
Component
|
getListCellRendererComponent
(
JList
list,
Object
value, int index, boolean isSelected, boolean cellHasFocus)
Return a component that has been configured to display the specified value. |
void |
invalidate
()
Overridden for performance reasons. |
boolean |
isOpaque
()
Overridden for performance reasons. |
void |
repaint
()
Overridden for performance reasons. |
void |
repaint
(long tm, int x, int y, int width, int height)
Overridden for performance reasons. |
void |
repaint
(
Rectangle
r)
Overridden for performance reasons. |
void |
revalidate
()
Overridden for performance reasons. |
void |
validate
()
Overridden for performance reasons. |
Methods inherited from class javax.swing.
JLabel
|
checkHorizontalKey
,
checkVerticalKey
,
getAccessibleContext
,
getDisabledIcon
,
getDisplayedMnemonic
,
getDisplayedMnemonicIndex
,
getHorizontalAlignment
,
getHorizontalTextPosition
,
getIcon
,
getIconTextGap
,
getLabelFor
,
getText
,
getUI
,
getUIClassID
,
getVerticalAlignment
,
getVerticalTextPosition
,
imageUpdate
,
paramString
,
setDisabledIcon
,
setDisplayedMnemonic
,
setDisplayedMnemonic
,
setDisplayedMnemonicIndex
,
setHorizontalAlignment
,
setHorizontalTextPosition
,
setIcon
,
setIconTextGap
,
setLabelFor
,
setText
,
setUI
,
setVerticalAlignment
,
setVerticalTextPosition
,
updateUI
|
Methods inherited from class javax.swing.
JComponent
|
addAncestorListener
,
addNotify
,
addVetoableChangeListener
,
computeVisibleRect
,
contains
,
createToolTip
,
disable
,
enable
,
fireVetoableChange
,
getActionForKeyStroke
,
getActionMap
,
getAlignmentX
,
getAlignmentY
,
getAncestorListeners
,
getAutoscrolls
,
getBaseline
,
getBaselineResizeBehavior
,
getBorder
,
getBounds
,
getClientProperty
,
getComponentGraphics
,
getComponentPopupMenu
,
getConditionForKeyStroke
,
getDebugGraphicsOptions
,
getDefaultLocale
,
getFontMetrics
,
getGraphics
,
getHeight
,
getInheritsPopupMenu
,
getInputMap
,
getInputMap
,
getInputVerifier
,
getInsets
,
getInsets
,
getListeners
,
getLocation
,
getMaximumSize
,
getMinimumSize
,
getNextFocusableComponent
,
getPopupLocation
,
getPreferredSize
,
getRegisteredKeyStrokes
,
getRootPane
,
getSize
,
getToolTipLocation
,
getToolTipText
,
getToolTipText
,
getTopLevelAncestor
,
getTransferHandler
,
getVerifyInputWhenFocusTarget
,
getVetoableChangeListeners
,
getVisibleRect
,
getWidth
,
getX
,
getY
,
grabFocus
,
isDoubleBuffered
,
isLightweightComponent
,
isManagingFocus
,
isOptimizedDrawingEnabled
,
isPaintingForPrint
,
isPaintingTile
,
isRequestFocusEnabled
,
isValidateRoot
,
paint
,
paintBorder
,
paintChildren
,
paintComponent
,
paintImmediately
,
paintImmediately
,
print
,
printAll
,
printBorder
,
printChildren
,
printComponent
,
processComponentKeyEvent
,
processKeyBinding
,
processKeyEvent
,
processMouseEvent
,
processMouseMotionEvent
,
putClientProperty
,
registerKeyboardAction
,
registerKeyboardAction
,
removeAncestorListener
,
removeNotify
,
removeVetoableChangeListener
,
requestDefaultFocus
,
requestFocus
,
requestFocus
,
requestFocusInWindow
,
requestFocusInWindow
,
resetKeyboardActions
,
reshape
,
scrollRectToVisible
,
setActionMap
,
setAlignmentX
,
setAlignmentY
,
setAutoscrolls
,
setBackground
,
setBorder
,
setComponentPopupMenu
,
setDebugGraphicsOptions
,
setDefaultLocale
,
setDoubleBuffered
,
setEnabled
,
setFocusTraversalKeys
,
setFont
,
setForeground
,
setInheritsPopupMenu
,
setInputMap
,
setInputVerifier
,
setMaximumSize
,
setMinimumSize
,
setNextFocusableComponent
,
setOpaque
,
setPreferredSize
,
setRequestFocusEnabled
,
setToolTipText
,
setTransferHandler
,
setUI
,
setVerifyInputWhenFocusTarget
,
setVisible
,
unregisterKeyboardAction
,
update
|
Methods inherited from class java.awt.
Container
|
add
,
add
,
add
,
add
,
add
,
addContainerListener
,
addImpl
,
addPropertyChangeListener
,
addPropertyChangeListener
,
applyComponentOrientation
,
areFocusTraversalKeysSet
,
countComponents
,
deliverEvent
,
doLayout
,
findComponentAt
,
findComponentAt
,
getComponent
,
getComponentAt
,
getComponentAt
,
getComponentCount
,
getComponents
,
getComponentZOrder
,
getContainerListeners
,
getFocusTraversalKeys
,
getFocusTraversalPolicy
,
getLayout
,
getMousePosition
,
insets
,
isAncestorOf
,
isFocusCycleRoot
,
isFocusCycleRoot
,
isFocusTraversalPolicyProvider
,
isFocusTraversalPolicySet
,
layout
,
list
,
list
,
locate
,
minimumSize
,
paintComponents
,
preferredSize
,
printComponents
,
processContainerEvent
,
processEvent
,
remove
,
remove
,
removeAll
,
removeContainerListener
,
setComponentZOrder
,
setFocusCycleRoot
,
setFocusTraversalPolicy
,
setFocusTraversalPolicyProvider
,
setLayout
,
transferFocusBackward
,
transferFocusDownCycle
,
validateTree
|
Methods inherited from class java.awt.
Component
|
action
,
add
,
addComponentListener
,
addFocusListener
,
addHierarchyBoundsListener
,
addHierarchyListener
,
addInputMethodListener
,
addKeyListener
,
addMouseListener
,
addMouseMotionListener
,
addMouseWheelListener
,
bounds
,
checkImage
,
checkImage
,
coalesceEvents
,
contains
,
createImage
,
createImage
,
createVolatileImage
,
createVolatileImage
,
disableEvents
,
dispatchEvent
,
enable
,
enableEvents
,
enableInputMethods
,
getBackground
,
getBounds
,
getColorModel
,
getComponentListeners
,
getComponentOrientation
,
getCursor
,
getDropTarget
,
getFocusCycleRootAncestor
,
getFocusListeners
,
getFocusTraversalKeysEnabled
,
getFont
,
getForeground
,
getGraphicsConfiguration
,
getHierarchyBoundsListeners
,
getHierarchyListeners
,
getIgnoreRepaint
,
getInputContext
,
getInputMethodListeners
,
getInputMethodRequests
,
getKeyListeners
,
getLocale
,
getLocation
,
getLocationOnScreen
,
getMouseListeners
,
getMouseMotionListeners
,
getMousePosition
,
getMouseWheelListeners
,
getName
,
getParent
,
getPeer
,
getPropertyChangeListeners
,
getPropertyChangeListeners
,
getSize
,
getToolkit
,
getTreeLock
,
gotFocus
,
handleEvent
,
hasFocus
,
hide
,
inside
,
isBackgroundSet
,
isCursorSet
,
isDisplayable
,
isEnabled
,
isFocusable
,
isFocusOwner
,
isFocusTraversable
,
isFontSet
,
isForegroundSet
,
isLightweight
,
isMaximumSizeSet
,
isMinimumSizeSet
,
isPreferredSizeSet
,
isShowing
,
isValid
,
isVisible
,
keyDown
,
keyUp
,
list
,
list
,
list
,
location
,
lostFocus
,
mouseDown
,
mouseDrag
,
mouseEnter
,
mouseExit
,
mouseMove
,
mouseUp
,
move
,
nextFocus
,
paintAll
,
postEvent
,
prepareImage
,
prepareImage
,
processComponentEvent
,
processFocusEvent
,
processHierarchyBoundsEvent
,
processHierarchyEvent
,
processInputMethodEvent
,
processMouseWheelEvent
,
remove
,
removeComponentListener
,
removeFocusListener
,
removeHierarchyBoundsListener
,
removeHierarchyListener
,
removeInputMethodListener
,
removeKeyListener
,
removeMouseListener
,
removeMouseMotionListener
,
removeMouseWheelListener
,
removePropertyChangeListener
,
removePropertyChangeListener
,
repaint
,
repaint
,
resize
,
resize
,
setBounds
,
setBounds
,
setComponentOrientation
,
setCursor
,
setDropTarget
,
setFocusable
,
setFocusTraversalKeysEnabled
,
setIgnoreRepaint
,
setLocale
,
setLocation
,
setLocation
,
setName
,
setSize
,
setSize
,
show
,
show
,
size
,
toString
,
transferFocus
,
transferFocusUpCycle
|
noFocusBorder
protected static Border noFocusBorder
DefaultListCellRenderer
public DefaultListCellRenderer()
-
Constructs a default renderer object for an item in a list.
getListCellRendererComponent
public Component getListCellRendererComponent(JList list,
Object value,
int index,
boolean isSelected,
boolean cellHasFocus)
-
Description copied from interface:
ListCellRenderer
-
Return a component that has been configured to display the specified value. That component's paint method is then called to "render" the cell. If it is necessary to compute the dimensions of a list because the list cells do not have a fixed size, this method is called to generate a component on which getPreferredSize can be invoked.
-
-
Specified by:
-
getListCellRendererComponent
in interface
ListCellRenderer
-
-
Parameters:
-
list - The JList we're painting.
-
value - The value returned by list.getModel().getElementAt(index).
-
index - The cells index.
-
isSelected - True if the specified cell was selected.
-
cellHasFocus - True if the specified cell has the focus.
-
Returns:
-
A component whose paint() method will render the specified value.
-
See Also:
-
JList
,
ListSelectionModel
,
ListModel
isOpaque
public boolean isOpaque()
-
Overridden for performance reasons. See the
Implementation Note
for more information.
-
-
Overrides:
-
isOpaque
in class
JComponent
-
-
Returns:
-
true if the background is completely opaque and differs from the JList's background; false otherwise
-
Since:
-
1.5
-
See Also:
-
JComponent.setOpaque(boolean)
validate
public void validate()
-
Overridden for performance reasons. See the
Implementation Note
for more information.
-
-
Overrides:
-
validate
in class
Container
-
-
See Also:
-
Container.add(java.awt.Component)
,
Component.invalidate()
,
JComponent.revalidate()
invalidate
public void invalidate()
-
Overridden for performance reasons. See the
Implementation Note
for more information.
-
-
Overrides:
-
invalidate
in class
Container
-
-
Since:
-
1.5
-
See Also:
-
Container.validate()
,
Container.layout()
,
LayoutManager
repaint
public void repaint()
-
Overridden for performance reasons. See the
Implementation Note
for more information.
-
-
Overrides:
-
repaint
in class
Component
-
-
Since:
-
1.5
-
See Also:
-
Component.update(Graphics)
revalidate
public void revalidate()
-
Overridden for performance reasons. See the
Implementation Note
for more information.
-
-
Overrides:
-
revalidate
in class
JComponent
-
-
See Also:
-
Component.invalidate()
,
Container.validate()
,
JComponent.isValidateRoot()
,
RepaintManager.addInvalidComponent(javax.swing.JComponent)
repaint
public void repaint(long tm,
int x,
int y,
int width,
int height)
-
Overridden for performance reasons. See the
Implementation Note
for more information.
-
-
Overrides:
-
repaint
in class
JComponent
-
-
Parameters:
-
tm - this parameter is not used
-
x - the x value of the dirty region
-
y - the y value of the dirty region
-
width - the width of the dirty region
-
height - the height of the dirty region
-
See Also:
-
Component.isShowing()
,
RepaintManager.addDirtyRegion(javax.swing.JComponent, int, int, int, int)
repaint
public void repaint(Rectangle r)
-
Overridden for performance reasons. See the
Implementation Note
for more information.
-
-
Overrides:
-
repaint
in class
JComponent
-
-
Parameters:
-
r - a Rectangle containing the dirty region
-
See Also:
-
Component.isShowing()
,
RepaintManager.addDirtyRegion(javax.swing.JComponent, int, int, int, int)
firePropertyChange
protected void firePropertyChange(String propertyName,
Object oldValue,
Object newValue)
-
Overridden for performance reasons. See the
Implementation Note
for more information.
-
-
Overrides:
-
firePropertyChange
in class
Component
-
-
Parameters:
-
propertyName - the property whose value has changed
-
oldValue - the property's previous value
-
newValue - the property's new value
firePropertyChange
public void firePropertyChange(String propertyName,
byte oldValue,
byte newValue)
-
Overridden for performance reasons. See the
Implementation Note
for more information.
-
-
Overrides:
-
firePropertyChange
in class
Component
-
-
Parameters:
-
propertyName - the programmatic name of the property that was changed
-
oldValue - the old value of the property (as a byte)
-
newValue - the new value of the property (as a byte)
-
See Also:
-
Component.firePropertyChange(java.lang.String, java.lang.Object, java.lang.Object)
firePropertyChange
public void firePropertyChange(String propertyName,
char oldValue,
char newValue)
-
Overridden for performance reasons. See the
Implementation Note
for more information.
-
-
Overrides:
-
firePropertyChange
in class
JComponent
-
-
Parameters:
-
propertyName - the programmatic name of the property that was changed
-
oldValue - the old value of the property (as a char)
-
newValue - the new value of the property (as a char)
-
See Also:
-
Component.firePropertyChange(java.lang.String, java.lang.Object, java.lang.Object)
firePropertyChange
public void firePropertyChange(String propertyName,
short oldValue,
short newValue)
-
Overridden for performance reasons. See the
Implementation Note
for more information.
-
-
Overrides:
-
firePropertyChange
in class
Component
-
-
Parameters:
-
propertyName - the programmatic name of the property that was changed
-
oldValue - the old value of the property (as a short)
-
newValue - the old value of the property (as a short)
-
See Also:
-
Component.firePropertyChange(java.lang.String, java.lang.Object, java.lang.Object)
firePropertyChange
public void firePropertyChange(String propertyName,
int oldValue,
int newValue)
-
Overridden for performance reasons. See the
Implementation Note
for more information.
-
-
Overrides:
-
firePropertyChange
in class
JComponent
-
-
Parameters:
-
propertyName - the property whose value has changed
-
oldValue - the property's previous value
-
newValue - the property's new value
firePropertyChange
public void firePropertyChange(String propertyName,
long oldValue,
long newValue)
-
Overridden for performance reasons. See the
Implementation Note
for more information.
-
-
Overrides:
-
firePropertyChange
in class
Component
-
-
Parameters:
-
propertyName - the programmatic name of the property that was changed
-
oldValue - the old value of the property (as a long)
-
newValue - the new value of the property (as a long)
-
See Also:
-
Component.firePropertyChange(java.lang.String, java.lang.Object, java.lang.Object)
firePropertyChange
public void firePropertyChange(String propertyName,
float oldValue,
float newValue)
-
Overridden for performance reasons. See the
Implementation Note
for more information.
-
-
Overrides:
-
firePropertyChange
in class
Component
-
-
Parameters:
-
propertyName - the programmatic name of the property that was changed
-
oldValue - the old value of the property (as a float)
-
newValue - the new value of the property (as a float)
-
See Also:
-
Component.firePropertyChange(java.lang.String, java.lang.Object, java.lang.Object)
firePropertyChange
public void firePropertyChange(String propertyName,
double oldValue,
double newValue)
-
Overridden for performance reasons. See the
Implementation Note
for more information.
-
-
Overrides:
-
firePropertyChange
in class
Component
-
-
Parameters:
-
propertyName - the programmatic name of the property that was changed
-
oldValue - the old value of the property (as a double)
-
newValue - the new value of the property (as a double)
-
See Also:
-
Component.firePropertyChange(java.lang.String, java.lang.Object, java.lang.Object)
firePropertyChange
public void firePropertyChange(String propertyName,
boolean oldValue,
boolean newValue)
-
Overridden for performance reasons. See the
Implementation Note
for more information.
-
-
Overrides:
-
firePropertyChange
in class
JComponent
-
-
Parameters:
-
propertyName - the property whose value has changed
-
oldValue - the property's previous value
-
newValue - the property's new value