javax.swing.border
Class EmptyBorder

java.lang.Object
  |
  +--javax.swing.border.AbstractBorder
        |
        +--javax.swing.border.EmptyBorder
All Implemented Interfaces:
Border, Serializable
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 JavaBeansTM 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