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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:
  Accessible, ImageObserver, ListCellRenderer, MenuContainer, Serializable, 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 `validate`, `revalidate`, `repaint`, 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. A future release of Swing will provide support for long term persistence.

See Also:
  Serialized Form

Inner Class Summary
`static class` | `DefaultListCellRenderer.UIResource` A subclass of DefaultListCellRenderer that implements UIResource.

Inner classes inherited from class javax.swing.JLabel
`JLabel.AccessibleJLabel`

Inner classes inherited from class javax.swing.JComponent
`JComponent.AccessibleJComponent`

Inner classes inherited from class java.awt.Container
`Container.AccessibleAWTContainer`

Inner classes inherited from class java.awt.Component
`Component.AccessibleAWTComponent`

Field Summary
`protected static Border` | `noFocusBorder`

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, NORTH, NORTH_EAST, NORTH_WEST, 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
`DefaultListCellRenderer()` Constructs a default renderer object for an item in a list.

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` | `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, getHorizontalAlignment, getHorizontalTextPosition, getIcon, getIconTextGap, getLabelFor, getText, getUI, getUIClassID, getVerticalAlignment, getVerticalTextPosition, imageUpdate, paramString, setDisabledIcon, setDisplayedMnemonic, setDisplayedMnemonic, setHorizontalAlignment, setHorizontalTextPosition, setIcon, setIconTextGap, setLabelFor, setText, setUI, setVerticalAlignment, setVerticalTextPosition, updateUI`

Methods inherited from class javax.swing.JComponent
`addAncestorListener, addNotify, addPropertyChangeListener, addPropertyChangeListener, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getConditionForKeyStroke, getDebugGraphicsOptions, getGraphics, getHeight, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getVerifyInputWhenFocusTarget, getVisibleRect, getWidth, getX, getY, grabFocus, hasFocus, hide, isDoubleBuffered, isFocusCycleRoot, isFocusTraversable, isLightweightComponent, isManagingFocus, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isPreferredSizeSet, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processFocusEvent, processKeyBinding, processKeyEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, requestDefaultFocus, requestFocus, resetKeyboardActions, reshape, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setDebugGraphicsOptions, setDoubleBuffered, setEnabled, setFont, setForeground, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update`

Methods inherited from class java.awt.Container
`add, add, add, add, add, addContainerListener, addImpl, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getLayout, insets, invalidate, isAncestorOf, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setLayout, validateTree`

Methods inherited from class java.awt.Component
`action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, getBackground, getBounds, getColorModel, getComponentOrientation, getCursor, getDropTarget, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getInputContext, getInputMethodRequests, getLocale, getLocation, getLocationOnScreen, getName, getParent, getPeer, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, inside, isDisplayable, isEnabled, isLightweight, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus`

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`
  Following copied from interface: `javax.swing.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`

### validate

    public void validate()

  Overridden for performance reasons. See the Implementation Note for more information.
  Overrides:
    `validate` in class `Container`
  Following copied from class: `java.awt.Container`
  See Also:
    `Container.validate()`, `Component.invalidate()`

### revalidate

    public void revalidate()

  Overridden for performance reasons. See the Implementation Note for more information.
  Overrides:
    `revalidate` in class `JComponent`
  Following copied from class: `javax.swing.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`
  Following copied from class: `javax.swing.JComponent`
  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`
  Following copied from class: `javax.swing.JComponent`
  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 `JComponent`
  Following copied from class: `javax.swing.JComponent`
  Parameters:
    `propertyName` - the programmatic name of the property that was changed
    `oldValue` - the old value of the property
    `newValue` - the new value of the property
  See Also:
    `PropertyChangeSupport`

### 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 `JComponent`
  Following copied from class: `javax.swing.JComponent`
  See Also:
    `JComponent.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`
  Following copied from class: `javax.swing.JComponent`
  See Also:
    `JComponent.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 `JComponent`
  Following copied from class: `javax.swing.JComponent`
  See Also:
    `JComponent.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`
  Following copied from class: `javax.swing.JComponent`
  See Also:
    `JComponent.firePropertyChange(java.lang.String, java.lang.Object, java.lang.Object)`

### 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 `JComponent`
  Following copied from class: `javax.swing.JComponent`
  See Also:
    `JComponent.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 `JComponent`
  Following copied from class: `javax.swing.JComponent`
  See Also:
    `JComponent.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 `JComponent`
  Following copied from class: `javax.swing.JComponent`
  See Also:
    `JComponent.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`
  Following copied from class: `javax.swing.JComponent`
  See Also:
    `JComponent.firePropertyChange(java.lang.String, java.lang.Object, java.lang.Object)`

Overview | Package | Class | Use | Tree | Deprecated | Index | Help
| JavaTM 2 Platform Std. Ed. v1.3.1
PREV CLASS NEXT CLASS | FRAMES NO FRAMES
SUMMARY: INNER | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD

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