| /* |
| * Copyright (c) 1997, 2015, Oracle and/or its affiliates. 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.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. |
| * <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 |
| { |
| /** |
| * The left inset of the border. |
| */ |
| protected int left; |
| /** |
| * The right inset of the border. |
| */ |
| protected int right; |
| /** |
| * The top inset of the border. |
| */ |
| protected int top; |
| /** |
| * The bottom inset of the border. |
| */ |
| protected int 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. |
| * |
| * @return an {@code Insets} object containing the insets from top, left, |
| * bottom and right |
| * @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; } |
| |
| } |