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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.BorderFactory; 47: import javax.swing.JLabel; 48: import javax.swing.JTable; 49: import javax.swing.UIManager; 50: import javax.swing.border.Border; 51: import javax.swing.border.EmptyBorder; 52: import javax.swing.JTextField; 53: 54: /** 55: * Class to display every cells. 56: */ 57: public class DefaultTableCellRenderer extends JLabel 58: implements TableCellRenderer, Serializable 59: { 60: static final long serialVersionUID = 7878911414715528324L; 61: 62: protected static Border noFocusBorder = new EmptyBorder(0, 0, 0, 0); 63: 64: public static class UIResource extends DefaultTableCellRenderer 65: implements javax.swing.plaf.UIResource 66: { 67: public UIResource() 68: { 69: super(); 70: } 71: } 72: 73: /** 74: * Creates a default table cell renderer with an empty border. 75: */ 76: public DefaultTableCellRenderer() 77: { 78: super(); 79: } 80: 81: /** 82: * Assign the unselected-foreground. 83: * 84: * @param c the color to assign 85: */ 86: public void setForeground(Color c) 87: { 88: super.setForeground(c); 89: } 90: 91: /** 92: * Assign the unselected-background. 93: * 94: * @param c the color to assign 95: */ 96: public void setBackground(Color c) 97: { 98: super.setBackground(c); 99: } 100: 101: /** 102: * Look and feel has changed. 103: * 104: * <p>Replaces the current UI object with the latest version from 105: * the UIManager.</p> 106: */ 107: public void updateUI() 108: { 109: super.updateUI(); 110: } 111: 112: /** 113: * Get the string value of the object and pass it to setText(). 114: * 115: * @param table the JTable 116: * @param value the value of the object 117: * @param isSelected is the cell selected? 118: * @param hasFocus has the cell the focus? 119: * @param row the row to render 120: * @param column the cell to render 121: * 122: * @return this component (the default table cell renderer) 123: */ 124: public Component getTableCellRendererComponent(JTable table, Object value, 125: boolean isSelected, 126: boolean hasFocus, 127: int row, int column) 128: { 129: if (value != null) 130: { 131: if (value instanceof JTextField) 132: return new JTextField(((JTextField)value).getText()); 133: super.setText(value.toString()); 134: } 135: 136: setOpaque(true); 137: 138: if (table == null) 139: return this; 140: 141: if (isSelected) 142: { 143: setBackground(table.getSelectionBackground()); 144: setForeground(table.getSelectionForeground()); 145: } 146: else 147: { 148: setBackground(table.getBackground()); 149: setForeground(table.getForeground()); 150: } 151: if (hasFocus) 152: { 153: setBackground(table.getBackground()); 154: setBorder(UIManager.getBorder("Table.focusCellHighlightBorder")); 155: } 156: else 157: setBorder(BorderFactory.createEmptyBorder(1, 1, 1, 1)); 158: 159: setEnabled(table.isEnabled()); 160: setFont(table.getFont()); 161: 162: return this; 163: } 164: 165: /** 166: * Overriden for performance. 167: * 168: * <p>This method needs to be overridden in a subclass to actually 169: * do something.</p> 170: * 171: * @return always true 172: */ 173: public boolean isOpaque() 174: { 175: return true; 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 validate() 185: { 186: // Does nothing. 187: } 188: 189: public void revalidate() 190: { 191: // Does nothing. 192: } 193: 194: /** 195: * Overriden for performance. 196: * 197: * <p>This method needs to be overridden in a subclass to actually 198: * do something.</p> 199: */ 200: public void repaint(long tm, int x, int y, int width, int height) 201: { 202: // Does nothing. 203: } 204: 205: /** 206: * Overriden for performance. 207: * 208: * <p>This method needs to be overridden in a subclass to actually 209: * do something.</p> 210: */ 211: public void repaint(Rectangle r) 212: { 213: // Does nothing. 214: } 215: 216: /** 217: * Overriden for performance. 218: * 219: * <p>This method needs to be overridden in a subclass to actually 220: * do something.</p> 221: */ 222: protected void firePropertyChange(String propertyName, Object oldValue, 223: Object newValue) 224: { 225: // Does nothing. 226: } 227: 228: /** 229: * Overriden for performance. 230: * 231: * <p>This method needs to be overridden in a subclass to actually 232: * do something.</p> 233: */ 234: public void firePropertyChange(String propertyName, boolean oldValue, 235: boolean newValue) 236: { 237: // Does nothing. 238: } 239: 240: /** 241: * Sets the String for this cell. 242: * 243: * @param value the string value for this cell; if value is null it 244: * sets the text value to an empty string 245: */ 246: protected void setValue(Object value) 247: { 248: super.setText((value!=null) ? value.toString() : ""); 249: } 250: }
GNU Classpath (0.19) |