GNU Classpath (0.18) | ||
Frames | No Frames |
1: /* JPanel.java -- 2: Copyright (C) 2002, 2004 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; 40: 41: import java.awt.FlowLayout; 42: import java.awt.LayoutManager; 43: 44: import javax.accessibility.Accessible; 45: import javax.accessibility.AccessibleContext; 46: import javax.swing.plaf.PanelUI; 47: 48: /** 49: * An instance of JPanel can be added to a panel, frame etc 50: * 51: * @author Ronald Veldema (rveldema@cs.vu.nl) 52: */ 53: public class JPanel extends JComponent implements Accessible 54: { 55: public JPanel() 56: { 57: this(new FlowLayout(), 58: true); 59: } 60: 61: public JPanel(boolean double_buffered) 62: { 63: this(new FlowLayout(), 64: double_buffered); 65: } 66: 67: public JPanel(LayoutManager layout) 68: { 69: this(layout, 70: true); 71: } 72: 73: 74: public JPanel(LayoutManager layout, 75: boolean isDoubleBuffered) 76: { 77: if (layout == null) 78: { 79: System.err.println("NO LAYOUT SET !!!"); 80: layout = new FlowLayout(); 81: } 82: setLayout(layout); 83: setOpaque(true); 84: 85: updateUI(); 86: } 87: 88: public String getUIClassID() 89: { return "PanelUI"; } 90: 91: 92: public void setUI(PanelUI ui) { 93: super.setUI(ui); 94: } 95: 96: public PanelUI getUI() { 97: return (PanelUI)ui; 98: } 99: 100: public void updateUI() { 101: setUI((PanelUI)UIManager.getUI(this)); 102: } 103: 104: 105: public AccessibleContext getAccessibleContext() 106: { 107: return null; 108: } 109: 110: protected String paramString() 111: { 112: return "JPanel"; 113: } 114: }
GNU Classpath (0.18) |