You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
114 lines
2.8 KiB
114 lines
2.8 KiB
/*
|
|
* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
|
|
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*/
|
|
package javax.swing.border;
|
|
|
|
import java.awt.Graphics;
|
|
import java.awt.Insets;
|
|
import java.awt.Rectangle;
|
|
import java.awt.Component;
|
|
import java.io.Serializable;
|
|
import java.beans.ConstructorProperties;
|
|
|
|
/**
|
|
* A class which provides an empty, transparent border which
|
|
* takes up space but does no drawing.
|
|
* <p>
|
|
* <strong>Warning:</strong>
|
|
* 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™
|
|
* has been added to the <code>java.beans</code> package.
|
|
* Please see {@link java.beans.XMLEncoder}.
|
|
*
|
|
* @author David Kloba
|
|
*/
|
|
@SuppressWarnings("serial")
|
|
public class EmptyBorder extends AbstractBorder implements Serializable
|
|
{
|
|
protected int left, right, top, bottom;
|
|
|
|
/**
|
|
* Creates an empty border with the specified insets.
|
|
* @param top the top inset of the border
|
|
* @param left the left inset of the border
|
|
* @param bottom the bottom inset of the border
|
|
* @param right the right inset of the border
|
|
*/
|
|
public EmptyBorder(int top, int left, int bottom, int right) {
|
|
this.top = top;
|
|
this.right = right;
|
|
this.bottom = bottom;
|
|
this.left = left;
|
|
}
|
|
|
|
/**
|
|
* Creates an empty border with the specified insets.
|
|
* @param borderInsets the insets of the border
|
|
*/
|
|
@ConstructorProperties({"borderInsets"})
|
|
public EmptyBorder(Insets borderInsets) {
|
|
this.top = borderInsets.top;
|
|
this.right = borderInsets.right;
|
|
this.bottom = borderInsets.bottom;
|
|
this.left = borderInsets.left;
|
|
}
|
|
|
|
/**
|
|
* Does no drawing by default.
|
|
*/
|
|
public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
|
|
}
|
|
|
|
/**
|
|
* Reinitialize the insets parameter with this Border's current Insets.
|
|
* @param c the component for which this border insets value applies
|
|
* @param insets the object to be reinitialized
|
|
*/
|
|
public Insets getBorderInsets(Component c, Insets insets) {
|
|
insets.left = left;
|
|
insets.top = top;
|
|
insets.right = right;
|
|
insets.bottom = bottom;
|
|
return insets;
|
|
}
|
|
|
|
/**
|
|
* Returns the insets of the border.
|
|
* @since 1.3
|
|
*/
|
|
public Insets getBorderInsets() {
|
|
return new Insets(top, left, bottom, right);
|
|
}
|
|
|
|
/**
|
|
* Returns whether or not the border is opaque.
|
|
* Returns false by default.
|
|
*/
|
|
public boolean isBorderOpaque() { return false; }
|
|
|
|
}
|