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1: /* DefaultListCellRenderer.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.Component; 42: import java.awt.Rectangle; 43: import java.io.Serializable; 44: 45: import javax.swing.border.Border; 46: import javax.swing.border.EmptyBorder; 47: 48: /** 49: * The default implementation {@link ListCellRenderer}. It provides a standard 50: * renderer for data objects of all types via {@link Object#toString()}. 51: * 52: * @author Andrew Selkirk 53: */ 54: public class DefaultListCellRenderer extends JLabel 55: implements ListCellRenderer, Serializable 56: { 57: private static final long serialVersionUID = 7708947179685189462L; 58: 59: /** 60: * Subclasses <code>DefaultListCellRenderers</code> and implements 61: * {@link javax.swing.plaf.UIResource}. This is used by 62: * {@link javax.swing.plaf.ListUI} subclasses to provide a default for 63: * the <code>List.cellRenderer</code> property. If you want to override 64: * this property, use <code>DefaultListCellRenderer</code> or a subclass. 65: */ 66: public static class UIResource extends DefaultListCellRenderer 67: implements javax.swing.plaf.UIResource 68: { 69: public UIResource() 70: { 71: } 72: } 73: 74: /** 75: * This border is used whenever renderer doesn't have a focus. 76: */ 77: protected static Border noFocusBorder = new EmptyBorder(1, 1, 1, 1); 78: 79: /** 80: * getListCellRendererComponent 81: * 82: * @param list JList list for the 'value' 83: * @param value object that should be rendered in the cell 84: * @param index index of the cell 85: * @param isSelected draw cell highlighted if isSelected is true 86: * @param cellHasFocus draw focus rectangle around cell if the cell has 87: * focus 88: * 89: * @return Component that will be painted to the desired cell. 90: */ 91: public Component getListCellRendererComponent(JList list, Object value, 92: int index, boolean isSelected, 93: boolean cellHasFocus) 94: { 95: String s = value.toString(); 96: setText(s); 97: setOpaque(true); 98: setHorizontalAlignment(LEFT); 99: 100: if (isSelected) 101: { 102: setBackground(list.getSelectionBackground()); 103: setForeground(list.getSelectionForeground()); 104: } 105: else 106: { 107: setBackground(list.getBackground()); 108: setForeground(list.getForeground()); 109: } 110: 111: setEnabled(list.isEnabled()); 112: setFont(list.getFont()); 113: 114: // Use focusCellHighlightBorder when renderer has focus and 115: // noFocusBorder otherwise 116: 117: if (cellHasFocus) 118: setBorder(UIManager.getBorder("List.focusCellHighlightBorder")); 119: else 120: setBorder(noFocusBorder); 121: 122: return this; 123: } 124: 125: public void validate() 126: { 127: } 128: 129: public void revalidate() 130: { 131: } 132: 133: public void repaint(long tm, int x, int y, int w, int h) 134: { 135: } 136: 137: public void repaint(Rectangle rect) 138: { 139: } 140: 141: protected void firePropertyChange(String propertyName, Object oldValue, 142: Object newValue) 143: { 144: } 145: 146: public void firePropertyChange(String propertyName, byte oldValue, 147: byte newValue) 148: { 149: } 150: 151: public void firePropertyChange(String propertyName, char oldValue, 152: char newValue) 153: { 154: } 155: 156: public void firePropertyChange(String propertyName, short oldValue, 157: short newValue) 158: { 159: } 160: 161: public void firePropertyChange(String propertyName, int oldValue, 162: int newValue) 163: { 164: } 165: 166: public void firePropertyChange(String propertyName, long oldValue, 167: long newValue) 168: { 169: } 170: 171: public void firePropertyChange(String propertyName, float oldValue, 172: float newValue) 173: { 174: } 175: 176: public void firePropertyChange(String propertyName, double oldValue, 177: double newValue) 178: { 179: } 180: 181: public void firePropertyChange(String propertyName, boolean oldValue, 182: boolean newValue) 183: { 184: } 185: }
GNU Classpath (0.18) |