javax.swing.tree
Class DefaultTreeCellRenderer

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--javax.swing.JComponent
                    |
                    +--javax.swing.JLabel
                          |
                          +--javax.swing.tree.DefaultTreeCellRenderer

public class DefaultTreeCellRenderer

extends JLabel

implements TreeCellRenderer

Displays an entry in a tree.

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 classes inherited from class javax.swing.JLabel

JLabel.AccessibleJLabel

Inner classes inherited from class javax.swing.JComponent

JComponent.AccessibleJComponent

Field Summary

protected Color	backgroundNonSelectionColor Color to use for the background when the node isn't selected.
protected Color	backgroundSelectionColor Color to use for the background when a node is selected.
protected Color	borderSelectionColor Color to use for the background when the node isn't selected.
protected Icon	closedIcon Icon used to show non-leaf nodes that aren't expanded.
protected Icon	leafIcon Icon used to show leaf nodes.
protected Icon	openIcon Icon used to show non-leaf nodes that are expanded.
protected boolean	selected Is the value currently selected.
protected Color	textNonSelectionColor Color to use for the foreground for non-selected nodes.
protected Color	textSelectionColor Color to use for the foreground for selected nodes.

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

Constructor Summary

DefaultTreeCellRenderer()
Returns a new instance of DefaultTreeCellRenderer.

Method Summary

Color	getBackgroundNonSelectionColor() Returns the background color to be used for non selected nodes.
Color	getBackgroundSelectionColor() Returns the color to use for the background if node is selected.
Color	getBorderSelectionColor() Returns the color the border is drawn.
Icon	getClosedIcon() Returns the icon used to represent non-leaf nodes that are not expanded.
Icon	getDefaultClosedIcon() Returns the default icon, for the current laf, that is used to represent non-leaf nodes that are not expanded.
Icon	getDefaultLeafIcon() Returns the default icon, for the current laf, that is used to represent leaf nodes.
Icon	getDefaultOpenIcon() Returns the default icon, for the current laf, that is used to represent non-leaf nodes that are expanded.
Icon	getLeafIcon() Returns the icon used to represent leaf nodes.
Icon	getOpenIcon() Returns the icon used to represent non-leaf nodes that are expanded.
Dimension	getPreferredSize() Overrides JComponent.getPreferredSize to return slightly wider preferred size value.
Color	getTextNonSelectionColor() Returns the color the text is drawn with when the node isn't selected.
Color	getTextSelectionColor() Returns the color the text is drawn with when the node is selected.
Component	getTreeCellRendererComponent(JTree tree, Object value, boolean sel, boolean expanded, boolean leaf, int row, boolean hasFocus) Configures the renderer based on the passed in components.
void	paint(Graphics g) Paints the value.
void	setBackground(Color color) Subclassed to only accept the color if it isn't a ColorUIResource.
void	setBackgroundNonSelectionColor(Color newColor) Sets the background color to be used for non selected nodes.
void	setBackgroundSelectionColor(Color newColor) Sets the color to use for the background if node is selected.
void	setBorderSelectionColor(Color newColor) Sets the color to use for the border.
void	setClosedIcon(Icon newIcon) Sets the icon used to represent non-leaf nodes that are not expanded.
void	setFont(Font font) Subclassed to only accept the font if it isn't a FontUIResource.
void	setLeafIcon(Icon newIcon) Sets the icon used to represent leaf nodes.
void	setOpenIcon(Icon newIcon) Sets the icon used to represent non-leaf nodes that are expanded.
void	setTextNonSelectionColor(Color newColor) Sets the color the text is drawn with when the node isn't selected.
void	setTextSelectionColor(Color newColor) Sets the color the text is drawn with when the node is selected.

Methods inherited from class javax.swing.JLabel

checkHorizontalKey, checkVerticalKey, getAccessibleContext, getDisabledIcon, getDisplayedMnemonic, getHorizontalAlignment, getHorizontalTextPosition, getIcon, getIconTextGap, getLabelFor, getText, getUI, getUIClassID, getVerticalAlignment, getVerticalTextPosition, 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, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getAlignmentX, getAlignmentY, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getConditionForKeyStroke, getDebugGraphicsOptions, getGraphics, getHeight, getInsets, getInsets, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getVisibleRect, getWidth, getX, getY, grabFocus, hasFocus, isDoubleBuffered, isFocusCycleRoot, isFocusTraversable, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, processComponentKeyEvent, processFocusEvent, processKeyEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setAlignmentX, setAlignmentY, setAutoscrolls, setBorder, setDebugGraphicsOptions, setDoubleBuffered, setEnabled, setForeground, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setUI, 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, print, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setCursor, setLayout, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, getBackground, getBounds, getColorModel, getComponentOrientation, getCursor, getDropTarget, getFont, getFontMetrics, getForeground, getInputContext, getInputMethodRequests, getLocale, getLocation, getLocationOnScreen, getName, getParent, getPeer, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hide, imageUpdate, 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, printAll, processComponentEvent, processInputMethodEvent, processMouseEvent, remove, removeComponentListener, removeFocusListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, 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

selected

protected boolean selected

Is the value currently selected.

closedIcon

protected transient Icon closedIcon

Icon used to show non-leaf nodes that aren't expanded.

leafIcon

protected transient Icon leafIcon

Icon used to show leaf nodes.

openIcon

protected transient Icon openIcon

Icon used to show non-leaf nodes that are expanded.

textSelectionColor

protected Color textSelectionColor

Color to use for the foreground for selected nodes.

textNonSelectionColor

protected Color textNonSelectionColor

Color to use for the foreground for non-selected nodes.

backgroundSelectionColor

protected Color backgroundSelectionColor

Color to use for the background when a node is selected.

backgroundNonSelectionColor

protected Color backgroundNonSelectionColor

Color to use for the background when the node isn't selected.

borderSelectionColor

protected Color borderSelectionColor

Color to use for the background when the node isn't selected.

Constructor Detail

DefaultTreeCellRenderer

public DefaultTreeCellRenderer()

Returns a new instance of DefaultTreeCellRenderer. Alignment is set to left aligned. Icons and text color are determined from the UIManager.

Method Detail

getDefaultOpenIcon

public Icon getDefaultOpenIcon()

Returns the default icon, for the current laf, that is used to represent non-leaf nodes that are expanded.

getDefaultClosedIcon

public Icon getDefaultClosedIcon()

Returns the default icon, for the current laf, that is used to represent non-leaf nodes that are not expanded.

getDefaultLeafIcon

public Icon getDefaultLeafIcon()

Returns the default icon, for the current laf, that is used to represent leaf nodes.

setOpenIcon

public void setOpenIcon(Icon newIcon)

Sets the icon used to represent non-leaf nodes that are expanded.

getOpenIcon

public Icon getOpenIcon()

Returns the icon used to represent non-leaf nodes that are expanded.

setClosedIcon

public void setClosedIcon(Icon newIcon)

Sets the icon used to represent non-leaf nodes that are not expanded.

getClosedIcon

public Icon getClosedIcon()

Returns the icon used to represent non-leaf nodes that are not expanded.

setLeafIcon

public void setLeafIcon(Icon newIcon)

Sets the icon used to represent leaf nodes.

getLeafIcon

public Icon getLeafIcon()

Returns the icon used to represent leaf nodes.

setTextSelectionColor

public void setTextSelectionColor(Color newColor)

Sets the color the text is drawn with when the node is selected.

getTextSelectionColor

public Color getTextSelectionColor()

Returns the color the text is drawn with when the node is selected.

setTextNonSelectionColor

public void setTextNonSelectionColor(Color newColor)

Sets the color the text is drawn with when the node isn't selected.

getTextNonSelectionColor

public Color getTextNonSelectionColor()

Returns the color the text is drawn with when the node isn't selected.

setBackgroundSelectionColor

public void setBackgroundSelectionColor(Color newColor)

Sets the color to use for the background if node is selected.

getBackgroundSelectionColor

public Color getBackgroundSelectionColor()

Returns the color to use for the background if node is selected.

setBackgroundNonSelectionColor

public void setBackgroundNonSelectionColor(Color newColor)

Sets the background color to be used for non selected nodes.

getBackgroundNonSelectionColor

public Color getBackgroundNonSelectionColor()

Returns the background color to be used for non selected nodes.

setBorderSelectionColor

public void setBorderSelectionColor(Color newColor)

Sets the color to use for the border.

getBorderSelectionColor

public Color getBorderSelectionColor()

Returns the color the border is drawn.

setFont

public void setFont(Font font)

Subclassed to only accept the font if it isn't a FontUIResource.

Overrides:

setFont in class JComponent

Tags copied from class: JComponent

See Also:

Component.getFont()

setBackground

public void setBackground(Color color)

Subclassed to only accept the color if it isn't a ColorUIResource.

Overrides:

setBackground in class JComponent

Tags copied from class: JComponent

See Also:

Component.getBackground()

getTreeCellRendererComponent

public Component getTreeCellRendererComponent(JTree tree,
                                              Object value,
                                              boolean sel,
                                              boolean expanded,
                                              boolean leaf,
                                              int row,
                                              boolean hasFocus)

Configures the renderer based on the passed in components. The value is set from messaging value with toString(). The foreground color is set based on the selection and the icon is set based on on leaf and expanded.

Specified by:

getTreeCellRendererComponent in interface TreeCellRenderer

Tags copied from interface: TreeCellRenderer

Returns:

Component that the renderer uses to draw the value.

paint

public void paint(Graphics g)

Paints the value. The background is filled based on selected.

Overrides:

paint in class JComponent

Tags copied from class: JComponent

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)

getPreferredSize

public Dimension getPreferredSize()

Overrides JComponent.getPreferredSize to return slightly wider preferred size value.

Overrides:

getPreferredSize in class JComponent

Tags copied from class: JComponent

Returns:

the value of the preferredSize property.

See Also:

JComponent.setPreferredSize(java.awt.Dimension)