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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: */ 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: */ 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: */ 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: */ 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: */ 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: */ 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: */ 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: */ 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: }