javax.swing.border
Class EmptyBorder

java.lang.Object
  javax.swing.border.AbstractBorder
      javax.swing.border.EmptyBorder

All Implemented Interfaces:

Serializable, Border

Direct Known Subclasses:

BorderUIResource.EmptyBorderUIResource, MatteBorder

public class EmptyBorder
extends AbstractBorder
implements Serializable

A class which provides an empty, transparent border which takes up space but does no drawing.

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 JavaBeans^TM has been added to the java.beans package. Please see XMLEncoder.

Field Summary

protected int	bottom
protected int	left
protected int	right
protected int	top

Constructor Summary

EmptyBorder(Insets borderInsets)
Creates an empty border with the specified insets.

EmptyBorder(int top, int left, int bottom, int right)
Creates an empty border with the specified insets.

Method Summary

Insets	getBorderInsets() Returns the insets of the border.
Insets	getBorderInsets(Component c) Returns the insets of the border.
Insets	getBorderInsets(Component c, Insets insets) Reinitialize the insets parameter with this Border's current Insets.
boolean	isBorderOpaque() Returns whether or not the border is opaque.
void	paintBorder(Component c, Graphics g, int x, int y, int width, int height) Does no drawing by default.

Methods inherited from class javax.swing.border.AbstractBorder

getInteriorRectangle, getInteriorRectangle

Methods inherited from class java.lang.Object

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

Field Detail

left

protected int left

right

protected int right

top

protected int top

bottom

protected int bottom

Constructor Detail

EmptyBorder

public EmptyBorder(int top,
                   int left,
                   int bottom,
                   int right)

Creates an empty border with the specified insets.

Parameters:

top - the top inset of the border

left - the left inset of the border

bottom - the bottom inset of the border

right - the right inset of the border

EmptyBorder

public EmptyBorder(Insets borderInsets)

Creates an empty border with the specified insets.

Parameters:

borderInsets - the insets of the border

Method Detail

paintBorder

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

Does no drawing by default.

Specified by:

paintBorder in interface Border

Overrides:

paintBorder in class AbstractBorder

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)

Returns the insets of the border.

Specified by:

getBorderInsets in interface Border

Overrides:

getBorderInsets in class AbstractBorder

Parameters:

c - the component for which this border insets value applies

Returns:

the new Insets object initialized to 0

getBorderInsets

public Insets getBorderInsets(Component c,
                              Insets insets)

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

Overrides:

getBorderInsets in class AbstractBorder

Parameters:

c - the component for which this border insets value applies

insets - the object to be reinitialized

Returns:

the insets object

getBorderInsets

public Insets getBorderInsets()

Returns the insets of the border.

isBorderOpaque

public boolean isBorderOpaque()

Returns whether or not the border is opaque. Returns false by default.

Specified by:

isBorderOpaque in interface Border

Overrides:

isBorderOpaque in class AbstractBorder

Returns:

false