0N/A/*
2362N/A * Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/Apackage javax.swing.plaf.metal;
0N/A
0N/Aimport java.awt.*;
0N/Aimport javax.swing.*;
0N/Aimport javax.swing.plaf.ComponentUI;
0N/Aimport javax.swing.plaf.UIResource;
0N/Aimport javax.swing.plaf.basic.*;
0N/A
0N/A/**
0N/A * Metal implementation of <code>MenuBarUI</code>. This class is responsible
0N/A * for providing the metal look and feel for <code>JMenuBar</code>s.
0N/A *
0N/A * @see javax.swing.plaf.MenuBarUI
0N/A * @since 1.5
0N/A */
0N/Apublic class MetalMenuBarUI extends BasicMenuBarUI {
0N/A /**
0N/A * Creates the <code>ComponentUI</code> implementation for the passed
0N/A * in component.
0N/A *
0N/A * @param x JComponent to create the ComponentUI implementation for
0N/A * @return ComponentUI implementation for <code>x</code>
0N/A * @throws NullPointerException if <code>x</code> is null
0N/A */
0N/A public static ComponentUI createUI(JComponent x) {
0N/A if (x == null) {
0N/A throw new NullPointerException("Must pass in a non-null component");
0N/A }
0N/A return new MetalMenuBarUI();
0N/A }
0N/A
0N/A /**
0N/A * Configures the specified component appropriate for the metal look and
0N/A * feel.
0N/A *
0N/A * @param c the component where this UI delegate is being installed
0N/A * @throws NullPointerException if <code>c</code> is null.
0N/A */
0N/A public void installUI(JComponent c) {
0N/A super.installUI(c);
0N/A MetalToolBarUI.register(c);
0N/A }
0N/A
0N/A /**
0N/A * Reverses configuration which was done on the specified component during
0N/A * <code>installUI</code>.
0N/A *
0N/A * @param c the component where this UI delegate is being installed
0N/A * @throws NullPointerException if <code>c</code> is null.
0N/A */
0N/A public void uninstallUI(JComponent c) {
0N/A super.uninstallUI(c);
0N/A MetalToolBarUI.unregister(c);
0N/A }
0N/A
0N/A /**
0N/A * If necessary paints the background of the component, then
0N/A * invokes <code>paint</code>.
0N/A *
0N/A * @param g Graphics to paint to
0N/A * @param c JComponent painting on
0N/A * @throws NullPointerException if <code>g</code> or <code>c</code> is
0N/A * null
0N/A * @see javax.swing.plaf.ComponentUI#update
0N/A * @see javax.swing.plaf.ComponentUI#paint
0N/A * @since 1.5
0N/A */
0N/A public void update(Graphics g, JComponent c) {
0N/A boolean isOpaque = c.isOpaque();
0N/A if (g == null) {
0N/A throw new NullPointerException("Graphics must be non-null");
0N/A }
0N/A if (isOpaque && (c.getBackground() instanceof UIResource) &&
0N/A UIManager.get("MenuBar.gradient") != null) {
0N/A if (MetalToolBarUI.doesMenuBarBorderToolBar((JMenuBar)c)) {
0N/A JToolBar tb = (JToolBar)MetalToolBarUI.
0N/A findRegisteredComponentOfType(c, JToolBar.class);
0N/A if (tb.isOpaque() &&tb.getBackground() instanceof UIResource) {
0N/A MetalUtils.drawGradient(c, g, "MenuBar.gradient", 0, 0,
0N/A c.getWidth(), c.getHeight() +
0N/A tb.getHeight(), true);
0N/A paint(g, c);
0N/A return;
0N/A }
0N/A }
0N/A MetalUtils.drawGradient(c, g, "MenuBar.gradient", 0, 0,
0N/A c.getWidth(), c.getHeight(),true);
0N/A paint(g, c);
0N/A }
0N/A else {
0N/A super.update(g, c);
0N/A }
0N/A }
0N/A}