1 /* MetalInternalFrameUI.java 2 Copyright (C) 2005 Free Software Foundation, Inc. 3 4 This file is part of GNU Classpath. 5 6 GNU Classpath is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2, or (at your option) 9 any later version. 10 11 GNU Classpath is distributed in the hope that it will be useful, but 12 WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GNU Classpath; see the file COPYING. If not, write to the 18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19 02110-1301 USA. 20 21 Linking this library statically or dynamically with other modules is 22 making a combined work based on this library. Thus, the terms and 23 conditions of the GNU General Public License cover the whole 24 combination. 25 26 As a special exception, the copyright holders of this library give you 27 permission to link this library with independent modules to produce an 28 executable, regardless of the license terms of these independent 29 modules, and to copy and distribute the resulting executable under 30 terms of your choice, provided that you also meet, for each linked 31 independent module, the terms and conditions of the license of that 32 module. An independent module is a module which is not derived from 33 or based on this library. If you modify this library, you may extend 34 this exception to your version of the library, but you are not 35 obligated to do so. If you do not wish to do so, delete this 36 exception statement from your version. */ 37 38 39 package javax.swing.plaf.metal; 40 41 import java.beans.PropertyChangeEvent; 42 import java.beans.PropertyChangeListener; 43 44 import javax.swing.ActionMap; 45 import javax.swing.JComponent; 46 import javax.swing.JInternalFrame; 47 import javax.swing.SwingUtilities; 48 import javax.swing.plaf.ComponentUI; 49 import javax.swing.plaf.basic.BasicInternalFrameUI; 50 51 /** 52 * A UI delegate for the {@link JInternalFrame} component. 53 */ 54 public class MetalInternalFrameUI 55 extends BasicInternalFrameUI 56 { 57 /** 58 * The key (<code>JInternalFrame.isPalette</code>) for the client property 59 * that controls whether the internal frame is displayed using the palette 60 * style. 61 */ 62 protected static String IS_PALETTE = "JInternalFrame.isPalette"; 63 64 /** 65 * Constructs a new instance of <code>MetalInternalFrameUI</code>. 66 * 67 * @param frame the frame. 68 */ MetalInternalFrameUI(JInternalFrame frame)69 public MetalInternalFrameUI(JInternalFrame frame) 70 { 71 super(frame); 72 } 73 74 /** 75 * Returns an instance of <code>MetalInternalFrameUI</code>. 76 * 77 * @param component the internal frame. 78 * 79 * @return an instance of <code>MetalInternalFrameUI</code>. 80 */ createUI(JComponent component)81 public static ComponentUI createUI(JComponent component) 82 { 83 return new MetalInternalFrameUI((JInternalFrame) component); 84 } 85 86 /** 87 * Sets the fields and properties for the component. 88 * 89 * @param c the component. 90 */ installUI(JComponent c)91 public void installUI(JComponent c) 92 { 93 super.installUI(c); 94 JInternalFrame f = (JInternalFrame) c; 95 boolean isPalette = false; 96 Boolean p = (Boolean) f.getClientProperty(IS_PALETTE); 97 if (p != null) 98 isPalette = p.booleanValue(); 99 setPalette(isPalette); 100 } 101 102 /** 103 * Creates and returns the component that will be used for the north pane 104 * of the {@link JInternalFrame}. 105 * 106 * @param w the internal frame. 107 * 108 * @return A new instance of {@link MetalInternalFrameTitlePane}. 109 */ createNorthPane(JInternalFrame w)110 protected JComponent createNorthPane(JInternalFrame w) 111 { 112 titlePane = new MetalInternalFrameTitlePane(w); 113 return titlePane; 114 } 115 116 /** 117 * Sets the state of the {@link JInternalFrame} to reflect whether or not 118 * it is using the palette style. When a frame is displayed as a palette, 119 * it uses a different border and the title pane is drawn differently. 120 * 121 * @param isPalette use the palette style? 122 */ setPalette(boolean isPalette)123 public void setPalette(boolean isPalette) 124 { 125 MetalInternalFrameTitlePane title = (MetalInternalFrameTitlePane) northPane; 126 title.setPalette(isPalette); 127 if (isPalette) 128 frame.setBorder(new MetalBorders.PaletteBorder()); 129 else 130 frame.setBorder(new MetalBorders.InternalFrameBorder()); 131 } 132 133 /** A listener that is used to handle IS_PALETTE property changes. */ 134 private PropertyChangeListener paletteListener; 135 136 /** 137 * Adds the required listeners. 138 */ installListeners()139 protected void installListeners() 140 { 141 super.installListeners(); 142 paletteListener = new PropertyChangeListener() 143 { 144 public void propertyChange(PropertyChangeEvent e) 145 { 146 if (e.getPropertyName().equals(IS_PALETTE)) 147 { 148 if (Boolean.TRUE.equals(e.getNewValue())) 149 setPalette(true); 150 else 151 setPalette(false); 152 } 153 } 154 }; 155 frame.addPropertyChangeListener(paletteListener); 156 } 157 158 /** 159 * Removes the listeners used. 160 */ uninstallListeners()161 protected void uninstallListeners() 162 { 163 super.uninstallListeners(); 164 frame.removePropertyChangeListener(IS_PALETTE, paletteListener); 165 paletteListener = null; 166 } 167 168 /** 169 * Installs keyboard actions. This is overridden to remove the 170 * <code>showSystemMenu</code> Action that is installed by the 171 * <code>BasicInternalFrameUI</code>, since Metal JInternalFrames don't have 172 * a system menu. 173 */ installKeyboardActions()174 protected void installKeyboardActions() 175 { 176 super.installKeyboardActions(); 177 ActionMap am = SwingUtilities.getUIActionMap(frame); 178 if (am != null) 179 { 180 am.remove("showSystemMenu"); 181 } 182 } 183 } 184