Java tutorial
/* * Copyright (c) 1995, 2008, Oracle and/or its affiliates. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * - Neither the name of Oracle or the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package components; /* * ColorRenderer.java (compiles with releases 1.2, 1.3, and 1.4) is used by * TableDialogEditDemo.java. */ import javax.swing.BorderFactory; import javax.swing.JLabel; import javax.swing.JTable; import javax.swing.border.Border; import javax.swing.table.TableCellRenderer; import java.awt.Color; import java.awt.Component; public class ColorRenderer extends JLabel implements TableCellRenderer { Border unselectedBorder = null; Border selectedBorder = null; boolean isBordered = true; public ColorRenderer(boolean isBordered) { this.isBordered = isBordered; setOpaque(true); //MUST do this for background to show up. } public Component getTableCellRendererComponent(JTable table, Object color, boolean isSelected, boolean hasFocus, int row, int column) { Color newColor = (Color) color; setBackground(newColor); if (isBordered) { if (isSelected) { if (selectedBorder == null) { selectedBorder = BorderFactory.createMatteBorder(2, 5, 2, 5, table.getSelectionBackground()); } setBorder(selectedBorder); } else { if (unselectedBorder == null) { unselectedBorder = BorderFactory.createMatteBorder(2, 5, 2, 5, table.getBackground()); } setBorder(unselectedBorder); } } setToolTipText("RGB value: " + newColor.getRed() + ", " + newColor.getGreen() + ", " + newColor.getBlue()); return this; } }