diff -r fd16c54261b3 -r 90ce3da70b43 jdk/src/share/classes/javax/swing/border/EmptyBorder.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jdk/src/share/classes/javax/swing/border/EmptyBorder.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,112 @@ +/* + * Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Sun designates this + * particular file as subject to the "Classpath" exception as provided + * by Sun in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + */ +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. + *

+ * 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 {@link java.beans.XMLEncoder}. + * + * @author David Kloba + */ +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; } + +}