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## javax.swing.colorchooser
Class AbstractColorChooserPanel

    java.lang.Object
      java.awt.Component
          java.awt.Container
              javax.swing.JComponent
                  javax.swing.JPanel
                      javax.swing.colorchooser.AbstractColorChooserPanel

All Implemented Interfaces:
  ImageObserver, MenuContainer, Serializable, Accessible

    public abstract class AbstractColorChooserPanel

extends JPanel

This is the abstract superclass for color choosers. If you want to add a new color chooser panel into a `JColorChooser`, subclass this class.

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 JavaBeansTM has been added to the `java.beans` package. Please see `XMLEncoder`.

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.JPanel
`JPanel.AccessibleJPanel`

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 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 java.awt.image.ImageObserver
`ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH`

Constructor Summary
`AbstractColorChooserPanel()`

Method Summary
`protected abstract void` | `buildChooser()` Builds a new chooser panel.
`protected Color` | `getColorFromModel()` Returns the color that is currently selected.
`ColorSelectionModel` | `getColorSelectionModel()` Returns the model that the chooser panel is editing.
`int` | `getDisplayedMnemonicIndex()` Provides a hint to the look and feel as to the index of the character in `getDisplayName` that should be visually identified as the mnemonic.
`abstract String` | `getDisplayName()` Returns a string containing the display name of the panel.
`abstract Icon` | `getLargeDisplayIcon()` Returns the large display icon for the panel.
`int` | `getMnemonic()` Provides a hint to the look and feel as to the `KeyEvent.VK` constant that can be used as a mnemonic to access the panel.
`abstract Icon` | `getSmallDisplayIcon()` Returns the small display icon for the panel.
`void` | `installChooserPanel(JColorChooser enclosingChooser)` Invoked when the panel is added to the chooser.
`void` | `paint(Graphics g)` Draws the panel.
`void` | `uninstallChooserPanel(JColorChooser enclosingChooser)` Invoked when the panel is removed from the chooser.
`abstract void` | `updateChooser()` Invoked automatically when the model's state changes.

Methods inherited from class javax.swing.JPanel
`getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI`

Methods inherited from class javax.swing.JComponent
`addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, 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, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, 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, invalidate, 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, validate, 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, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, 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, imageUpdate, 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, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle`

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

Constructor Detail

### AbstractColorChooserPanel

    public AbstractColorChooserPanel()

Method Detail

### updateChooser

    public abstract void updateChooser()

  Invoked automatically when the model's state changes. It is also called by `installChooserPanel` to allow you to set up the initial state of your chooser. Override this method to update your `ChooserPanel`.

### buildChooser

    protected abstract void buildChooser()

  Builds a new chooser panel.

### getDisplayName

    public abstract String getDisplayName()

  Returns a string containing the display name of the panel.

  Returns:
    the name of the display panel

### getMnemonic

    public int getMnemonic()

  Provides a hint to the look and feel as to the `KeyEvent.VK` constant that can be used as a mnemonic to access the panel. A return value <= 0 indicates there is no mnemonic.

  The return value here is a hint, it is ultimately up to the look and feel to honor the return value in some meaningful way.

  This implementation returns 0, indicating the `AbstractColorChooserPanel` does not support a mnemonic, subclasses wishing a mnemonic will need to override this.

  Returns:
    KeyEvent.VK constant identifying the mnemonic; <= 0 for no mnemonic
  Since:
    1.4
  See Also:
    `getDisplayedMnemonicIndex()`

### getDisplayedMnemonicIndex

    public int getDisplayedMnemonicIndex()

  Provides a hint to the look and feel as to the index of the character in `getDisplayName` that should be visually identified as the mnemonic. The look and feel should only use this if `getMnemonic` returns a value > 0.

  The return value here is a hint, it is ultimately up to the look and feel to honor the return value in some meaningful way. For example, a look and feel may wish to render each `AbstractColorChooserPanel` in a `JTabbedPane`, and further use this return value to underline a character in the `getDisplayName`.

  This implementation returns -1, indicating the `AbstractColorChooserPanel` does not support a mnemonic, subclasses wishing a mnemonic will need to override this.

  Returns:
    Character index to render mnemonic for; -1 to provide no visual identifier for this panel.
  Since:
    1.4
  See Also:
    `getMnemonic()`

### getSmallDisplayIcon

    public abstract Icon getSmallDisplayIcon()

  Returns the small display icon for the panel.

  Returns:
    the small display icon

### getLargeDisplayIcon

    public abstract Icon getLargeDisplayIcon()

  Returns the large display icon for the panel.

  Returns:
    the large display icon

### installChooserPanel

    public void installChooserPanel(JColorChooser enclosingChooser)

  Invoked when the panel is added to the chooser. If you override this, be sure to call `super`.

  Parameters:
    `enclosingChooser` - the panel to be added
  Throws:
    `RuntimeException` - if the chooser panel has already been installed

### uninstallChooserPanel

    public void uninstallChooserPanel(JColorChooser enclosingChooser)

  Invoked when the panel is removed from the chooser. If override this, be sure to call `super`.

### getColorSelectionModel

    public ColorSelectionModel getColorSelectionModel()

  Returns the model that the chooser panel is editing.

  Returns:
    the `ColorSelectionModel` model this panel is editing

### getColorFromModel

    protected Color getColorFromModel()

  Returns the color that is currently selected.

  Returns:
    the `Color` that is selected

### paint

    public void paint(Graphics g)

  Draws the panel.

  Overrides:
    `paint` in class `JComponent`
  Parameters:
    `g` - the `Graphics` object
  See Also:
    `JComponent.paintComponent(java.awt.Graphics)`, `JComponent.paintBorder(java.awt.Graphics)`, `JComponent.paintChildren(java.awt.Graphics)`, `JComponent.getComponentGraphics(java.awt.Graphics)`, `JComponent.repaint(long, int, int, int, int)`

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