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javax.swing.border
Class AbstractBorder

java.lang.Object
  |
  +--javax.swing.border.AbstractBorder

Direct Known Subclasses:

BasicBorders.ButtonBorder, BasicBorders.FieldBorder, BasicBorders.MarginBorder, BasicBorders.MenuBarBorder, BevelBorder, CompoundBorder, EmptyBorder, EtchedBorder, LineBorder, MetalBorders.ButtonBorder, MetalBorders.Flush3DBorder, MetalBorders.InternalFrameBorder, MetalBorders.MenuBarBorder, MetalBorders.MenuItemBorder, MetalBorders.PopupMenuBorder, MetalBorders.ScrollPaneBorder, MetalBorders.ToolBarBorder, TitledBorder

public abstract class AbstractBorder

extends Object

implements Border, Serializable

A class which implements an empty border with no size. This provides a convenient base class from which other border classes can be easily derived.

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

Constructor Summary

AbstractBorder()

Method Summary

Insets	getBorderInsets(Component c) This default implementation returns the value of getBorderMargins.
Insets	getBorderInsets(Component c, Insets insets) Reinitialize the insets parameter with this Border's current Insets.
static Rectangle	getInteriorRectangle(Component c, Border b, int x, int y, int width, int height) This method returns a rectangle using the arguements minus the insets of the border.
Rectangle	getInteriorRectangle(Component c, int x, int y, int width, int height) This is a convience method that calls the static method.
boolean	isBorderOpaque() This default implementation returns false.
void	paintBorder(Component c, Graphics g, int x, int y, int width, int height) This default implementation does no painting.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractBorder

public AbstractBorder()

Method Detail

paintBorder

public void paintBorder(Component c,
                        Graphics g,
                        int x,
                        int y,
                        int width,
                        int height)

This default implementation does no painting.

Specified by:

paintBorder in interface Border

Tags copied from interface: Border

Parameters:

c - the component for which this border is being painted

g - the paint graphics

x - the x position of the painted border

y - the y position of the painted border

width - the width of the painted border

height - the height of the painted border

getBorderInsets

public Insets getBorderInsets(Component c)

This default implementation returns the value of getBorderMargins.

Specified by:

getBorderInsets in interface Border

Tags copied from interface: Border

Parameters:

c - the component for which this border insets value applies

getBorderInsets

public Insets getBorderInsets(Component c,
                              Insets insets)

Reinitialize the insets parameter with this Border's current Insets.

Parameters:

c - the component for which this border insets value applies

insets - the object to be reinitialized

isBorderOpaque

public boolean isBorderOpaque()

This default implementation returns false.

Specified by:

isBorderOpaque in interface Border

getInteriorRectangle

public Rectangle getInteriorRectangle(Component c,
                                      int x,
                                      int y,
                                      int width,
                                      int height)

This is a convience method that calls the static method.

getInteriorRectangle

public static Rectangle getInteriorRectangle(Component c,
                                             Border b,
                                             int x,
                                             int y,
                                             int width,
                                             int height)

This method returns a rectangle using the arguements minus the insets of the border. This is useful for determining the area that components should draw in that will not intersect the border.