| /* |
| * Copyright (c) 1998, 2014, 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.plaf.basic; |
| |
| import java.awt.*; |
| import javax.swing.*; |
| import javax.swing.border.*; |
| import javax.swing.plaf.*; |
| import java.awt.*; |
| import java.awt.event.*; |
| |
| |
| /** |
| * BasicPanel implementation |
| * |
| * @author Steve Wilson |
| */ |
| public class BasicPanelUI extends PanelUI { |
| |
| // Shared UI object |
| private static PanelUI panelUI; |
| |
| /** |
| * Returns an instance of {@code BasicPanelUI}. |
| * |
| * @param c a component |
| * @return an instance of {@code BasicPanelUI} |
| */ |
| public static ComponentUI createUI(JComponent c) { |
| if(panelUI == null) { |
| panelUI = new BasicPanelUI(); |
| } |
| return panelUI; |
| } |
| |
| public void installUI(JComponent c) { |
| JPanel p = (JPanel)c; |
| super.installUI(p); |
| installDefaults(p); |
| } |
| |
| public void uninstallUI(JComponent c) { |
| JPanel p = (JPanel)c; |
| uninstallDefaults(p); |
| super.uninstallUI(c); |
| } |
| |
| /** |
| * Method for installing panel properties. |
| * |
| * @param p an instance of {@code JPanel} |
| */ |
| protected void installDefaults(JPanel p) { |
| LookAndFeel.installColorsAndFont(p, |
| "Panel.background", |
| "Panel.foreground", |
| "Panel.font"); |
| LookAndFeel.installBorder(p,"Panel.border"); |
| LookAndFeel.installProperty(p, "opaque", Boolean.TRUE); |
| } |
| |
| /** |
| * Method for uninstalling panel properties. |
| * |
| * @param p an instance of {@code JPanel} |
| */ |
| protected void uninstallDefaults(JPanel p) { |
| LookAndFeel.uninstallBorder(p); |
| } |
| |
| |
| /** |
| * Returns the baseline. |
| * |
| * @throws NullPointerException {@inheritDoc} |
| * @throws IllegalArgumentException {@inheritDoc} |
| * @see javax.swing.JComponent#getBaseline(int, int) |
| * @since 1.6 |
| */ |
| public int getBaseline(JComponent c, int width, int height) { |
| super.getBaseline(c, width, height); |
| Border border = c.getBorder(); |
| if (border instanceof AbstractBorder) { |
| return ((AbstractBorder)border).getBaseline(c, width, height); |
| } |
| return -1; |
| } |
| |
| /** |
| * Returns an enum indicating how the baseline of the component |
| * changes as the size changes. |
| * |
| * @throws NullPointerException {@inheritDoc} |
| * @see javax.swing.JComponent#getBaseline(int, int) |
| * @since 1.6 |
| */ |
| public Component.BaselineResizeBehavior getBaselineResizeBehavior( |
| JComponent c) { |
| super.getBaselineResizeBehavior(c); |
| Border border = c.getBorder(); |
| if (border instanceof AbstractBorder) { |
| return ((AbstractBorder)border).getBaselineResizeBehavior(c); |
| } |
| return Component.BaselineResizeBehavior.OTHER; |
| } |
| } |