001/* 002 * $Id: MetalStatusBarUI.java 3472 2009-08-27 13:12:42Z kleopatra $ 003 * 004 * Copyright 2004 Sun Microsystems, Inc., 4150 Network Circle, 005 * Santa Clara, California 95054, U.S.A. All rights reserved. 006 * 007 * This library is free software; you can redistribute it and/or 008 * modify it under the terms of the GNU Lesser General Public 009 * License as published by the Free Software Foundation; either 010 * version 2.1 of the License, or (at your option) any later version. 011 * 012 * This library is distributed in the hope that it will be useful, 013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 015 * Lesser General Public License for more details. 016 * 017 * You should have received a copy of the GNU Lesser General Public 018 * License along with this library; if not, write to the Free Software 019 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 020 */ 021 022package org.jdesktop.swingx.plaf.metal; 023 024import java.awt.Color; 025import java.awt.GradientPaint; 026import java.awt.Graphics2D; 027import java.util.List; 028 029import javax.swing.JComponent; 030import javax.swing.UIManager; 031import javax.swing.plaf.ComponentUI; 032 033import org.jdesktop.swingx.JXStatusBar; 034import org.jdesktop.swingx.plaf.basic.BasicStatusBarUI; 035 036/** 037 * 038 * @author rbair 039 */ 040public class MetalStatusBarUI extends BasicStatusBarUI { 041 042 /** Creates a new instance of BasicStatusBarUI */ 043 public MetalStatusBarUI() { 044 } 045 046 /** 047 * Returns an instance of the UI delegate for the specified component. 048 * Each subclass must provide its own static <code>createUI</code> 049 * method that returns an instance of that UI delegate subclass. 050 * If the UI delegate subclass is stateless, it may return an instance 051 * that is shared by multiple components. If the UI delegate is 052 * stateful, then it should return a new instance per component. 053 * The default implementation of this method throws an error, as it 054 * should never be invoked. 055 */ 056 public static ComponentUI createUI(JComponent c) { 057 return new MetalStatusBarUI(); 058 } 059 060 @Override 061 protected void paintBackground(Graphics2D g, JXStatusBar bar) { 062 int w = bar.getWidth(); //TODO deal with insets 063 int h = bar.getHeight(); //TODO deal with insets 064 065 //This list is comprised of floats and Colors, which together 066 //constitute the gradient. 067 List<?> gradient = (List<?>) UIManager.get("MenuBar.gradient"); 068 069 if (gradient != null && w > 0 && 0 < h) { 070 float ratio1 = ((Number)gradient.get(0)).floatValue(); 071 float ratio2 = ((Number)gradient.get(1)).floatValue(); 072 Color c1 = (Color)gradient.get(2); 073 Color c2 = (Color)gradient.get(3); 074 Color c3 = (Color)gradient.get(4); 075 int mid = (int)(ratio1 * h); 076 int mid2 = (int)(ratio2 * h); 077 if (mid > 0) { 078 g.setPaint(new GradientPaint((float)0, (float)0, c1, (float)0, 079 (float)mid, c2)); 080 g.fillRect(0, 0, w, mid); 081 } 082 if (mid2 > 0) { 083 g.setColor(c2); 084 g.fillRect(0, mid, w, mid2); 085 } 086 if (mid > 0) { 087 g.setPaint(new GradientPaint((float)0, (float)mid + mid2, c2, 088 (float)0, (float)mid * 2 + mid2, c1)); 089 g.fillRect(0, mid + mid2, w, mid); 090 } 091 if (h - mid * 2 - mid2 > 0) { 092 g.setPaint(new GradientPaint((float)0, (float)mid * 2 + mid2, c1, 093 (float)0, (float)h, c3)); 094 g.fillRect(0, mid * 2 + mid2, w, h - mid * 2 - mid2); 095 } 096 } 097 } 098}