Modifier and Type	Class and Description
private static class	BasicTableHeaderUI.Actions
public class	BasicTableHeaderUI.MouseInputHandler This class should be treated as a "protected" inner class.

Modifier and Type	Field and Description
private static FocusListener	focusListener
protected JTableHeader	header The `JTableHeader` that is delegating the painting to this UI.
protected MouseInputListener	mouseInputListener Listeners that are attached to the `JTable`
protected CellRendererPane	rendererPane The instance of `CellRendererPane`.
private static Cursor	resizeCursor
private int	rolloverColumn
private int	selectedColumnIndex

Access	Constructor and Description
public	BasicTableHeaderUI() Constructs a `BasicTableHeaderUI`.

Method Summary

Modifier and Type	Method and Description
private static boolean	canResize(TableColumn column, JTableHeader header)
private int	changeColumnWidth(TableColumn resizingColumn, JTableHeader th, int oldWidth, int newWidth)
private Dimension	createHeaderSize(long width)
protected MouseInputListener	Returns: the mouse listener for the `JTableHeader` createMouseInputListener() Creates the mouse listener for the `JTableHeader`.
public static ComponentUI	Returns: a new instance of `BasicTableHeaderUI` createUI(JComponent a component. h) Hides javax.swing.plaf.ComponentUI.createUI. Returns a new instance of `BasicTableHeaderUI`.
public int	getBaseline(JComponent c, int width, int height) Overrides javax.swing.plaf.ComponentUI.getBaseline. Returns the baseline.
private int	getHeaderHeight()
private Component	getHeaderRenderer(int columnIndex)
public Dimension	getMaximumSize(JComponent c) Overrides javax.swing.plaf.ComponentUI.getMaximumSize. Return the maximum size of the header.
public Dimension	getMinimumSize(JComponent c) Overrides javax.swing.plaf.ComponentUI.getMinimumSize. Return the minimum size of the header.
public Dimension	getPreferredSize(JComponent c) Overrides javax.swing.plaf.ComponentUI.getPreferredSize. Return the preferred size of the header.
protected int	Returns: the index of the current rollover column getRolloverColumn() Returns the index of the column header over which the mouse currently is.
private int	getSelectedColumnIndex()
protected void	installDefaults() Initializes JTableHeader properties such as font, foreground, and background.
protected void	installKeyboardActions() Register all keyboard actions on the JTableHeader.
protected void	installListeners() Attaches listeners to the JTableHeader.
public void	installUI(JComponent c) Overrides javax.swing.plaf.ComponentUI.installUI. Configures the specified component appropriately for the look and feel.
pack-priv static void	loadActionMap(LazyActionMap map) Populates TableHeader's actions.
public void	paint(Graphics g, JComponent c) Overrides javax.swing.plaf.ComponentUI.paint. Paints the specified component appropriately for the look and feel.
private void	paintCell(Graphics g, Rectangle cellRect, int columnIndex)
protected void	rolloverColumnUpdated(int the index of the previous rollover column or -1 if the mouse was not over a column oldColumn, int the index of the new rollover column or -1 if the mouse is not over a column newColumn) This method gets called every time when a rollover column in the table header is updated.
private void	scrollToColumn(int col) Used by selectColumn to scroll horizontally, if necessary, to ensure that the newly selected column is visible.
pack-priv void	selectColumn(int newColIndex) Selects the specified column in the table header.
pack-priv void	selectColumn(int newColIndex, boolean doScroll)
private int	selectNextColumn(boolean doIt)
private int	selectPreviousColumn(boolean doIt)
protected void	uninstallDefaults() Uninstalls default properties
protected void	uninstallKeyboardActions() Unregisters default key actions.
protected void	uninstallListeners() Unregisters listeners.
public void	uninstallUI(JComponent c) Overrides javax.swing.plaf.ComponentUI.uninstallUI. Reverses configuration which was done on the specified component during `installUI`.
private void	updateRolloverColumn(MouseEvent e)
private int	viewIndexForColumn(TableColumn aColumn)

Field Detail

focusListener	back to summary
private static FocusListener focusListener

header	back to summary
protected JTableHeader header The `JTableHeader` that is delegating the painting to this UI.

mouseInputListener	back to summary
protected MouseInputListener mouseInputListener Listeners that are attached to the `JTable`

rendererPane	back to summary
protected CellRendererPane rendererPane The instance of `CellRendererPane`.

resizeCursor	back to summary
private static Cursor resizeCursor

rolloverColumn	back to summary
private int rolloverColumn

selectedColumnIndex	back to summary
private int selectedColumnIndex

Constructor Detail

BasicTableHeaderUI	back to summary
public BasicTableHeaderUI() Constructs a `BasicTableHeaderUI`.

Method Detail

canResize	back to summary
private static boolean canResize(TableColumn column, JTableHeader header)

changeColumnWidth	back to summary
private int changeColumnWidth(TableColumn resizingColumn, JTableHeader th, int oldWidth, int newWidth)

createHeaderSize	back to summary
private Dimension createHeaderSize(long width)

createMouseInputListener back to summary

createMouseInputListener	back to summary
protected MouseInputListener createMouseInputListener() Creates the mouse listener for the `JTableHeader`. Returns:MouseInputListener the mouse listener for the `JTableHeader`

protected MouseInputListener createMouseInputListener()

Creates the mouse listener for the JTableHeader.

Returns:MouseInputListener: the mouse listener for the JTableHeader

createUI back to summary

createUI	back to summary
public static ComponentUI createUI(JComponent h) Hides javax.swing.plaf.ComponentUI.createUI. Returns a new instance of `BasicTableHeaderUI`. Parameters h:JComponent a component. Returns:ComponentUI a new instance of `BasicTableHeaderUI`

public static ComponentUI createUI(JComponent h)

Hides javax.swing.plaf.ComponentUI.createUI.

Returns a new instance of BasicTableHeaderUI.

Parameters

h:JComponent: a component.

Returns:ComponentUI

a new instance of BasicTableHeaderUI

getBaseline back to summary

getBaseline	back to summary
public int getBaseline(JComponent c, int width, int height) Overrides javax.swing.plaf.ComponentUI.getBaseline. Returns the baseline. Exceptions NullPointerException: if `c` is `null` IllegalArgumentException: if width or height is < 0 Since 1.6 See Also `javax.swing.JComponent#getBaseline(int, int)`

public int getBaseline(JComponent c, int width, int height)

Overrides javax.swing.plaf.ComponentUI.getBaseline.

Returns the baseline.

Exceptions

NullPointerException:: if c is null
IllegalArgumentException:: if width or height is < 0

Since

1.6

getHeaderHeight	back to summary
private int getHeaderHeight()

getHeaderRenderer	back to summary
private Component getHeaderRenderer(int columnIndex)

getMaximumSize	back to summary
public Dimension getMaximumSize(JComponent c) Overrides javax.swing.plaf.ComponentUI.getMaximumSize. Return the maximum size of the header. The maximum width is the sum of the maximum widths of each column (plus inter-cell spacing).

getMaximumSize

back to summary

public Dimension getMaximumSize(JComponent c)

Overrides javax.swing.plaf.ComponentUI.getMaximumSize.

Return the maximum size of the header. The maximum width is the sum of the maximum widths of each column (plus inter-cell spacing).

getMinimumSize	back to summary
public Dimension getMinimumSize(JComponent c) Overrides javax.swing.plaf.ComponentUI.getMinimumSize. Return the minimum size of the header. The minimum width is the sum of the minimum widths of each column (plus inter-cell spacing).

getMinimumSize

back to summary

public Dimension getMinimumSize(JComponent c)

Overrides javax.swing.plaf.ComponentUI.getMinimumSize.

Return the minimum size of the header. The minimum width is the sum of the minimum widths of each column (plus inter-cell spacing).

getPreferredSize	back to summary
public Dimension getPreferredSize(JComponent c) Overrides javax.swing.plaf.ComponentUI.getPreferredSize. Return the preferred size of the header. The preferred height is the maximum of the preferred heights of all of the components provided by the header renderers. The preferred width is the sum of the preferred widths of each column (plus inter-cell spacing).

getPreferredSize

back to summary

public Dimension getPreferredSize(JComponent c)

Overrides javax.swing.plaf.ComponentUI.getPreferredSize.

Return the preferred size of the header. The preferred height is the maximum of the preferred heights of all of the components provided by the header renderers. The preferred width is the sum of the preferred widths of each column (plus inter-cell spacing).

getRolloverColumn back to summary

getRolloverColumn	back to summary
protected int getRolloverColumn() Returns the index of the column header over which the mouse currently is. When the mouse is not over the table header, -1 is returned. Returns:int the index of the current rollover column Since 1.6 See Also `rolloverColumnUpdated(int, int)`

protected int getRolloverColumn()

Returns the index of the column header over which the mouse currently is. When the mouse is not over the table header, -1 is returned.

Returns:int: the index of the current rollover column
Since: 1.6
See Also: rolloverColumnUpdated(int, int)

getSelectedColumnIndex	back to summary
private int getSelectedColumnIndex()

installDefaults back to summary

installDefaults	back to summary
protected void installDefaults() Initializes JTableHeader properties such as font, foreground, and background. The font, foreground, and background properties are only set if their current value is either null or a UIResource, other properties are set if the current value is null. See Also `installUI`

protected void installDefaults()

Initializes JTableHeader properties such as font, foreground, and background. The font, foreground, and background properties are only set if their current value is either null or a UIResource, other properties are set if the current value is null.

See Also: installUI

installKeyboardActions	back to summary
protected void installKeyboardActions() Register all keyboard actions on the JTableHeader.

installListeners	back to summary
protected void installListeners() Attaches listeners to the JTableHeader.

installUI back to summary

installUI	back to summary
public void installUI(JComponent c) Overrides javax.swing.plaf.ComponentUI.installUI. Doc from javax.swing.plaf.ComponentUI.installUI. Configures the specified component appropriately for the look and feel. This method is invoked when the `ComponentUI` instance is being installed as the UI delegate on the specified component. This method should completely configure the component for the look and feel, including the following: Install default property values for color, fonts, borders, icons, opacity, etc. on the component. Whenever possible, property values initialized by the client program should not be overridden. Install a `LayoutManager` on the component if necessary. Create/add any required sub-components to the component. Create/install event listeners on the component. Create/install a `PropertyChangeListener` on the component in order to detect and respond to component property changes appropriately. Install keyboard UI (mnemonics, traversal, etc.) on the component. Initialize any appropriate instance data.

public void installUI(JComponent c)

Overrides javax.swing.plaf.ComponentUI.installUI.

Doc from javax.swing.plaf.ComponentUI.installUI.

Configures the specified component appropriately for the look and feel. This method is invoked when the ComponentUI instance is being installed as the UI delegate on the specified component. This method should completely configure the component for the look and feel, including the following:

Install default property values for color, fonts, borders, icons, opacity, etc. on the component. Whenever possible, property values initialized by the client program should not be overridden.
Install a LayoutManager on the component if necessary.
Create/add any required sub-components to the component.
Create/install event listeners on the component.
Create/install a PropertyChangeListener on the component in order to detect and respond to component property changes appropriately.
Install keyboard UI (mnemonics, traversal, etc.) on the component.
Initialize any appropriate instance data.

loadActionMap	back to summary
pack-priv static void loadActionMap(LazyActionMap map) Populates TableHeader's actions.

paint back to summary

paint	back to summary
public void paint(Graphics g, JComponent c) Overrides javax.swing.plaf.ComponentUI.paint. Doc from javax.swing.plaf.ComponentUI.paint. Paints the specified component appropriately for the look and feel. This method is invoked from the `ComponentUI.update` method when the specified component is being painted. Subclasses should override this method and use the specified `Graphics` object to render the content of the component.

public void paint(Graphics g, JComponent c)

Overrides javax.swing.plaf.ComponentUI.paint.

Doc from javax.swing.plaf.ComponentUI.paint.

Paints the specified component appropriately for the look and feel. This method is invoked from the ComponentUI.update method when the specified component is being painted. Subclasses should override this method and use the specified Graphics object to render the content of the component.

paintCell	back to summary
private void paintCell(Graphics g, Rectangle cellRect, int columnIndex)

rolloverColumnUpdated back to summary

rolloverColumnUpdated	back to summary
protected void rolloverColumnUpdated(int oldColumn, int newColumn) This method gets called every time when a rollover column in the table header is updated. Every look and feel that supports a rollover effect in a table header should override this method and repaint the header. Parameters oldColumn:int the index of the previous rollover column or -1 if the mouse was not over a column newColumn:int the index of the new rollover column or -1 if the mouse is not over a column Since 1.6 See Also `getRolloverColumn()`, `JTableHeader#getHeaderRect(int)`

protected void rolloverColumnUpdated(int oldColumn, int newColumn)

This method gets called every time when a rollover column in the table header is updated. Every look and feel that supports a rollover effect in a table header should override this method and repaint the header.

Parameters

oldColumn:int: the index of the previous rollover column or -1 if the mouse was not over a column
newColumn:int: the index of the new rollover column or -1 if the mouse is not over a column

Since

1.6

scrollToColumn	back to summary
private void scrollToColumn(int col) Used by selectColumn to scroll horizontally, if necessary, to ensure that the newly selected column is visible.

selectColumn	back to summary
pack-priv void selectColumn(int newColIndex) Selects the specified column in the table header. Repaints the affected header cells and makes sure the newly selected one is visible.

selectColumn	back to summary
pack-priv void selectColumn(int newColIndex, boolean doScroll)

selectNextColumn	back to summary
private int selectNextColumn(boolean doIt)

selectPreviousColumn	back to summary
private int selectPreviousColumn(boolean doIt)

uninstallDefaults	back to summary
protected void uninstallDefaults() Uninstalls default properties

uninstallKeyboardActions	back to summary
protected void uninstallKeyboardActions() Unregisters default key actions.

uninstallListeners	back to summary
protected void uninstallListeners() Unregisters listeners.

uninstallUI back to summary

uninstallUI	back to summary
public void uninstallUI(JComponent c) Overrides javax.swing.plaf.ComponentUI.uninstallUI. Doc from javax.swing.plaf.ComponentUI.uninstallUI. Reverses configuration which was done on the specified component during `installUI`. This method is invoked when this `UIComponent` instance is being removed as the UI delegate for the specified component. This method should undo the configuration performed in `installUI`, being careful to leave the `JComponent` instance in a clean state (no extraneous listeners, look-and-feel-specific property objects, etc.). This should include the following: Remove any UI-set borders from the component. Remove any UI-set layout managers on the component. Remove any UI-added sub-components from the component. Remove any UI-added event/property listeners from the component. Remove any UI-installed keyboard UI from the component. Nullify any allocated instance data objects to allow for GC.

public void uninstallUI(JComponent c)

Overrides javax.swing.plaf.ComponentUI.uninstallUI.

Doc from javax.swing.plaf.ComponentUI.uninstallUI.

Reverses configuration which was done on the specified component during installUI. This method is invoked when this UIComponent instance is being removed as the UI delegate for the specified component. This method should undo the configuration performed in installUI, being careful to leave the JComponent instance in a clean state (no extraneous listeners, look-and-feel-specific property objects, etc.). This should include the following:

Remove any UI-set borders from the component.
Remove any UI-set layout managers on the component.
Remove any UI-added sub-components from the component.
Remove any UI-added event/property listeners from the component.
Remove any UI-installed keyboard UI from the component.
Nullify any allocated instance data objects to allow for GC.

updateRolloverColumn	back to summary
private void updateRolloverColumn(MouseEvent e)

viewIndexForColumn	back to summary
private int viewIndexForColumn(TableColumn aColumn)

javax.swing.plaf.basic back to summary

private Class BasicTableHeaderUI.Actions

Class Inheritance

extends UIAction

java.lang.Object
sun.swing.UIAction
javax.swing.plaf.basic.BasicTableHeaderUI.Actions

Field Summary

Modifier and Type	Field and Description
public static final String	FOCUS_TABLE
public static final String	MOVE_COLUMN_LEFT
public static final String	MOVE_COLUMN_RIGHT
public static final String	RESIZE_LEFT
public static final String	RESIZE_RIGHT
public static final String	SELECT_COLUMN_TO_LEFT
public static final String	SELECT_COLUMN_TO_RIGHT
public static final String	TOGGLE_SORT_ORDER

Constructor Summary

Access	Constructor and Description
public	Actions(String name)

Method Summary

Modifier and Type	Method and Description
public boolean	accept(Object sender) Overrides sun.swing.UIAction.accept. Overrides default javax.swing.Action.accept. Subclasses that need to conditionalize the enabled state should override this.
public void	actionPerformed(ActionEvent e) Implements java.awt.event.ActionListener.actionPerformed. Invoked when an action occurs.
private boolean	maybeMoveColumn(boolean leftArrow, JTableHeader th, BasicTableHeaderUI ui, boolean doIt)
private void	moveColumn(boolean leftArrow, JTableHeader th, BasicTableHeaderUI ui)
private void	resize(boolean leftArrow, JTableHeader th, BasicTableHeaderUI ui)

Inherited from sun.swing.UIAction:: addPropertyChangeListener getName getValue isEnabled putValue removePropertyChangeListener setEnabled

Field Detail

FOCUS_TABLE	back to summary
public static final String FOCUS_TABLE

MOVE_COLUMN_LEFT	back to summary
public static final String MOVE_COLUMN_LEFT

MOVE_COLUMN_RIGHT	back to summary
public static final String MOVE_COLUMN_RIGHT

RESIZE_LEFT	back to summary
public static final String RESIZE_LEFT

RESIZE_RIGHT	back to summary
public static final String RESIZE_RIGHT

SELECT_COLUMN_TO_LEFT	back to summary
public static final String SELECT_COLUMN_TO_LEFT

SELECT_COLUMN_TO_RIGHT	back to summary
public static final String SELECT_COLUMN_TO_RIGHT

TOGGLE_SORT_ORDER	back to summary
public static final String TOGGLE_SORT_ORDER

Constructor Detail

Actions	back to summary
public Actions(String name)

Method Detail

accept back to summary

public boolean accept(Object sender)

Overrides sun.swing.UIAction.accept.

Overrides default javax.swing.Action.accept.

Doc from sun.swing.UIAction.accept.

Subclasses that need to conditionalize the enabled state should override this. Be aware that sender may be null.

Annotations

@Override

actionPerformed

back to summary

public void actionPerformed(ActionEvent e)

Implements java.awt.event.ActionListener.actionPerformed.

Doc from java.awt.event.ActionListener.actionPerformed.

Invoked when an action occurs.

maybeMoveColumn	back to summary
private boolean maybeMoveColumn(boolean leftArrow, JTableHeader th, BasicTableHeaderUI ui, boolean doIt)

moveColumn	back to summary
private void moveColumn(boolean leftArrow, JTableHeader th, BasicTableHeaderUI ui)

resize	back to summary
private void resize(boolean leftArrow, JTableHeader th, BasicTableHeaderUI ui)

javax.swing.plaf.basic back to summary

public Class BasicTableHeaderUI.MouseInputHandler

Class Inheritance

extends Object
implements MouseInputListener

java.lang.Object
javax.swing.plaf.basic.BasicTableHeaderUI.MouseInputHandler

All Implemented Interfaces

javax.swing.event.MouseInputListener, java.awt.event.MouseMotionListener, java.util.EventListener, java.awt.event.MouseListener

This class should be treated as a "protected" inner class. Instantiate it only within subclasses of BasicTableHeaderUI.

Field Summary

Modifier and Type	Field and Description
private int	mouseXOffset
private Cursor	otherCursor

Constructor Summary

Access	Constructor and Description
public	MouseInputHandler() Constructs a `MouseInputHandler`.

Method Summary

Modifier and Type	Method and Description
private TableColumn	getResizingColumn(Point p)
private TableColumn	getResizingColumn(Point p, int column)
public void	mouseClicked(MouseEvent e) Implements java.awt.event.MouseListener.mouseClicked. Invoked when the mouse button has been clicked (pressed and released) on a component.
public void	mouseDragged(MouseEvent e) Implements java.awt.event.MouseMotionListener.mouseDragged. Invoked when a mouse button is pressed on a component and then dragged.
public void	mouseEntered(MouseEvent e) Implements java.awt.event.MouseListener.mouseEntered. Invoked when the mouse enters a component.
public void	mouseExited(MouseEvent e) Implements java.awt.event.MouseListener.mouseExited. Invoked when the mouse exits a component.
public void	mouseMoved(MouseEvent e) Implements java.awt.event.MouseMotionListener.mouseMoved. Invoked when the mouse cursor has been moved onto a component but no buttons have been pushed.
public void	mousePressed(MouseEvent e) Implements java.awt.event.MouseListener.mousePressed. Invoked when a mouse button has been pressed on a component.
public void	mouseReleased(MouseEvent e) Implements java.awt.event.MouseListener.mouseReleased. Invoked when a mouse button has been released on a component.
private void	setDraggedDistance(int draggedDistance, int column)
private void	swapCursor()

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

mouseXOffset	back to summary
private int mouseXOffset

otherCursor	back to summary
private Cursor otherCursor

Constructor Detail

MouseInputHandler	back to summary
public MouseInputHandler() Constructs a `MouseInputHandler`.

Method Detail

getResizingColumn	back to summary
private TableColumn getResizingColumn(Point p)

getResizingColumn	back to summary
private TableColumn getResizingColumn(Point p, int column)

mouseClicked

back to summary

public void mouseClicked(MouseEvent e)

Implements java.awt.event.MouseListener.mouseClicked.

Doc from java.awt.event.MouseListener.mouseClicked.

Invoked when the mouse button has been clicked (pressed and released) on a component.

mouseDragged back to summary

public void mouseDragged(MouseEvent e)

Implements java.awt.event.MouseMotionListener.mouseDragged.

Doc from java.awt.event.MouseMotionListener.mouseDragged.

Invoked when a mouse button is pressed on a component and then dragged. MOUSE_DRAGGED events will continue to be delivered to the component where the drag originated until the mouse button is released (regardless of whether the mouse position is within the bounds of the component).

Due to platform-dependent Drag&Drop implementations, MOUSE_DRAGGED events may not be delivered during a native Drag&Drop operation.

mouseEntered

back to summary

public void mouseEntered(MouseEvent e)

Implements java.awt.event.MouseListener.mouseEntered.

Doc from java.awt.event.MouseListener.mouseEntered.

Invoked when the mouse enters a component.

mouseExited

back to summary

public void mouseExited(MouseEvent e)

Implements java.awt.event.MouseListener.mouseExited.

Doc from java.awt.event.MouseListener.mouseExited.