GNU Classpath (0.17) | ||
Frames | No Frames |
1: /* DefaultTableCellRenderer.java -- 2: Copyright (C) 2002, 2004, 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.table; 40: 41: import java.awt.Color; 42: import java.awt.Component; 43: import java.awt.Rectangle; 44: import java.io.Serializable; 45: 46: import javax.swing.JLabel; 47: import javax.swing.JTable; 48: import javax.swing.border.Border; 49: import javax.swing.border.EmptyBorder; 50: 51: /** 52: * Class to display every cells. 53: */ 54: public class DefaultTableCellRenderer extends JLabel 55: implements TableCellRenderer, Serializable 56: { 57: static final long serialVersionUID = 7878911414715528324L; 58: 59: protected static Border noFocusBorder = new EmptyBorder(0, 0, 0, 0); 60: 61: public static class UIResource extends DefaultTableCellRenderer 62: implements javax.swing.plaf.UIResource 63: { 64: public UIResource() 65: { 66: } 67: } 68: 69: /** 70: * Creates a default table cell renderer with an empty border. 71: */ 72: public DefaultTableCellRenderer() 73: { 74: super(); 75: } 76: 77: /** 78: * Assign the unselected-foreground. 79: * 80: * @param c the color to assign 81: */ 82: public void setForeground(Color c) 83: { 84: super.setForeground(c); 85: } 86: 87: /** 88: * Assign the unselected-background. 89: * 90: * @param c the color to assign 91: */ 92: public void setBackground(Color c) 93: { 94: super.setBackground(c); 95: } 96: 97: /** 98: * Look and feel has changed. 99: * 100: * <p>Replaces the current UI object with the latest version from 101: * the UIManager.</p> 102: */ 103: public void updateUI() 104: { 105: super.updateUI(); 106: } 107: 108: /** 109: * Get the string value of the object and pass it to setText(). 110: * 111: * @param table the JTable 112: * @param value the value of the object 113: * @param isSelected is the cell selected? 114: * @param hasFocus has the cell the focus? 115: * @param row the row to render 116: * @param column the cell to render 117: * 118: * @return this component (the default table cell renderer) 119: */ 120: public Component getTableCellRendererComponent(JTable table, Object value, 121: boolean isSelected, 122: boolean hasFocus, 123: int row, int column) 124: { 125: if (value != null) 126: super.setText(value.toString()); 127: 128: setOpaque(true); 129: 130: if (table == null) 131: return this; 132: 133: if (isSelected) 134: { 135: setBackground(table.getSelectionBackground()); 136: setForeground(table.getSelectionForeground()); 137: } 138: else 139: { 140: setBackground(table.getBackground()); 141: setForeground(table.getForeground()); 142: } 143: 144: setEnabled(table.isEnabled()); 145: setFont(table.getFont()); 146: return this; 147: } 148: 149: /** 150: * Overriden for performance. 151: * 152: * <p>This method needs to be overridden in a subclass to actually 153: * do something.</p> 154: * 155: * @return always true 156: */ 157: public boolean isOpaque() 158: { 159: return true; 160: } 161: 162: /** 163: * Overriden for performance. 164: * 165: * <p>This method needs to be overridden in a subclass to actually 166: * do something.</p> 167: */ 168: public void validate() 169: { 170: // Does nothing. 171: } 172: 173: public void revalidate() 174: { 175: // Does nothing. 176: } 177: 178: /** 179: * Overriden for performance. 180: * 181: * <p>This method needs to be overridden in a subclass to actually 182: * do something.</p> 183: */ 184: public void repaint(long tm, int x, int y, int width, int height) 185: { 186: // Does nothing. 187: } 188: 189: /** 190: * Overriden for performance. 191: * 192: * <p>This method needs to be overridden in a subclass to actually 193: * do something.</p> 194: */ 195: public void repaint(Rectangle r) 196: { 197: // Does nothing. 198: } 199: 200: /** 201: * Overriden for performance. 202: * 203: * <p>This method needs to be overridden in a subclass to actually 204: * do something.</p> 205: */ 206: protected void firePropertyChange(String propertyName, Object oldValue, 207: Object newValue) 208: { 209: // Does nothing. 210: } 211: 212: /** 213: * Overriden for performance. 214: * 215: * <p>This method needs to be overridden in a subclass to actually 216: * do something.</p> 217: */ 218: public void firePropertyChange(String propertyName, boolean oldValue, 219: boolean newValue) 220: { 221: // Does nothing. 222: } 223: 224: /** 225: * Sets the String for this cell. 226: * 227: * @param value the string value for this cell; if value is null it 228: * sets the text value to an empty string 229: */ 230: protected void setValue(Object value) 231: { 232: super.setText((value!=null) ? value.toString() : ""); 233: } 234: }
GNU Classpath (0.17) |