| /* MetalSeparatorUI.java |
| Copyright (C) 2005 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package javax.swing.plaf.metal; |
| |
| import java.awt.Color; |
| import java.awt.Graphics; |
| import java.awt.Rectangle; |
| |
| import javax.swing.JComponent; |
| import javax.swing.JSeparator; |
| import javax.swing.SwingUtilities; |
| import javax.swing.UIManager; |
| import javax.swing.plaf.ComponentUI; |
| import javax.swing.plaf.basic.BasicSeparatorUI; |
| |
| /** |
| * A UI delegate for the {@link JSeparator} component. |
| */ |
| public class MetalSeparatorUI |
| extends BasicSeparatorUI |
| { |
| |
| // FIXME: maybe replace by a Map of instances when this becomes stateful |
| /** The shared UI instance for MetalSeparatorUIs */ |
| private static MetalSeparatorUI instance; |
| |
| /** |
| * Constructs a new instance of <code>MetalSeparatorUI</code>. |
| */ |
| public MetalSeparatorUI() |
| { |
| super(); |
| } |
| |
| /** |
| * Returns a shared instance of <code>MetalSeparatorUI</code>. |
| * |
| * @param component the component for which we return an UI instance |
| * |
| * @return A shared instance of <code>MetalSeparatorUI</code>. |
| */ |
| public static ComponentUI createUI(JComponent component) |
| { |
| if (instance == null) |
| instance = new MetalSeparatorUI(); |
| return instance; |
| } |
| |
| /** |
| * The separator is made of two lines. The top line will be |
| * the Metal theme color separatorForeground (or left line if it's vertical). |
| * The bottom or right line will be the Metal theme color |
| * separatorBackground. |
| * The two lines will |
| * be centered inside the bounds box. If the separator is horizontal, |
| * then it will be vertically centered, or if it's vertical, it will |
| * be horizontally centered. |
| * |
| * @param g The Graphics object to paint with |
| * @param c The JComponent to paint. |
| */ |
| public void paint(Graphics g, JComponent c) |
| { |
| Rectangle r = new Rectangle(); |
| SwingUtilities.calculateInnerArea(c, r); |
| Color saved = g.getColor(); |
| Color c1 = UIManager.getColor("Separator.foreground"); |
| Color c2 = UIManager.getColor("Separator.background"); |
| JSeparator s; |
| if (c instanceof JSeparator) |
| s = (JSeparator) c; |
| else |
| return; |
| |
| if (s.getOrientation() == JSeparator.HORIZONTAL) |
| { |
| int midAB = r.height / 2; |
| g.setColor(c1); |
| g.drawLine(r.x, r.y + midAB - 1, r.x + r.width, r.y + midAB - 1); |
| |
| g.setColor(c2); |
| g.fillRect(r.x, r.y + midAB, r.x + r.width, r.y + midAB); |
| } |
| else |
| { |
| int midAD = r.height / 2 + r.y; |
| g.setColor(c1); |
| g.drawLine(r.x, r.y, r.x, r.y + r.height); |
| |
| g.setColor(c2); |
| g.fillRect(r.x + midAD, r.y + r.height, r.x + midAD, r.y + r.height); |
| } |
| g.setColor(saved); |
| } |
| } |