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<Object>, SwingConstants

Direct Known Subclasses:

DefaultListCellRenderer.UIResource, MetalFileChooserUI.FileRenderer, MetalFileChooserUI.FilterComboBoxRenderer
```
public class DefaultListCellRenderer
extends JLabel
implements ListCellRenderer<Object>, 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 Class Summary

Nested Classes
Modifier and Type Class and Description

static class DefaultListCellRenderer.UIResource
A subclass of DefaultListCellRenderer that implements UIResource.

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- 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
- Nested classes/interfaces inherited from class java.awt.Component
  Component.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

Fields
Modifier and Type Field and Description

protected static Border noFocusBorder

Eerste pagina van API Java Inhoudsopgave Haut
- Fields inherited from class javax.swing.JLabel
  labelFor
- Fields inherited from class javax.swing.JComponent
  accessibleContext, listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW
- Fields inherited from class java.awt.Component
  BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT
- 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

Constructor Summary

Constructors
Constructor and Description

DefaultListCellRenderer()
Constructs a default renderer object for an item in a list.

Eerste pagina van API Java Inhoudsopgave Haut

Method Summary

Methods
Modifier and Type	Method and Description
`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.

Eerste pagina van API Java Inhoudsopgave Haut

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, hide, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingOrigin, 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, 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, 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, transferFocusBackward, transferFocusUpCycle

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - noFocusBorder
```
protected static Border noFocusBorder
```
- Constructor Detail
  - DefaultListCellRenderer
```
public DefaultListCellRenderer()
```
    Constructs a default renderer object for an item in a list.
- Method Detail
  - 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<Object>
    
    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), Container.invalidate(), Container.isValidateRoot(), JComponent.revalidate(), Container.validateTree()
  - 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(), LayoutManager2
  - 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:
    JComponent.isPaintingOrigin(), 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:
    JComponent.isPaintingOrigin(), 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

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Document heeft de 11/06/2005 gemaakt, de laatste keer de 04/03/2020 gewijzigd
Bron van het afgedrukte document:https://www.gaudry.be/nl/java-api-rf-javax/swing/DefaultListCellRenderer.html

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Referenties

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Inhoudsopgave Haut

Class DefaultListCellRenderer

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.JLabel

Nested classes/interfaces inherited from class javax.swing.JComponent

Nested classes/interfaces inherited from class java.awt.Container

Nested classes/interfaces inherited from class java.awt.Component

Field Summary

Fields inherited from class javax.swing.JLabel

Fields inherited from class javax.swing.JComponent

Fields inherited from class java.awt.Component

Fields inherited from interface javax.swing.SwingConstants

Fields inherited from interface java.awt.image.ImageObserver

Constructor Summary

Method Summary

Methods inherited from class javax.swing.JLabel

Methods inherited from class javax.swing.JComponent

Methods inherited from class java.awt.Container

Methods inherited from class java.awt.Component

Methods inherited from class java.lang.Object

Field Detail

noFocusBorder

Constructor Detail

DefaultListCellRenderer

Method Detail

getListCellRendererComponent

isOpaque

validate

invalidate

repaint

revalidate

repaint

repaint

firePropertyChange

firePropertyChange

firePropertyChange

firePropertyChange

firePropertyChange

firePropertyChange

firePropertyChange

firePropertyChange

firePropertyChange

Referenties