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How to color a cell in a JTable

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From: "clusardi2k" <clusardi2k@1:261/38.remove-10ae-this>

From: clusardi2k@aol.com

How would you use the idea in PROJECT 1 to color a cell in the PROJECT 2.

References:
(1)     http://tips4java.wordpress.com/2010/01/24/table-row-rendering/

(2)     http://www.java-tips.org/java-se-tips/javax.swing/sorting-and-filtering
-tables.html

Thank you,

//-------------- PROJECT 1 ---------------------
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package javaapplication1;

import java.awt.*;
import javax.swing.*;
import javax.swing.table.*;
import javax.swing.border.*;

public class TableRowRenderingTip extends JPanel {
        public TableRowRenderingTip()
        {
                Object[] columnNames = {"Type", "Company", "Shares", "Price",
"Boolean"};
                Object[][] data =
                {
                        {"Buy", "IBM", new Integer(1000), new Double(80.5),
Boolean.TRUE},
                        {"Sell", "Dell", new Integer(2000), new Double(6.25),
Boolean.FALSE},
                        {"Short Sell", "Apple", new Integer(3000), new
Double(7.35), Boolean.TRUE},
                        {"Buy", "MicroSoft", new Integer(4000), new
Double(27.50), Boolean.FALSE},
                        {"Short Sell", "Cisco", new Integer(5000), new
Double(20), Boolean.TRUE}
                };

                DefaultTableModel model = new DefaultTableModel(data,
columnNames)
                {
                        public Class getColumnClass(int column)
                        {
                                return getValueAt(0, column).getClass();
                        }
                };

                JTabbedPane tabbedPane = new JTabbedPane();
                tabbedPane.addTab("Data", createData(model));
                add( tabbedPane );
        }

        private JComponent createData(DefaultTableModel model)
        {
                JTable table = new JTable( model )
                {
                        public Component prepareRenderer(TableCellRenderer
renderer, int row, int column)
                        {
                                Component c = super.prepareRenderer(renderer,
row, column);

                                //  Color row based on a cell value

                                if (!isRowSelected(row))
                                {
                                        c.setBackground(getBackground());
                                        int modelRow =
convertRowIndexToModel(row);
                                        String type =
(String)getModel().getValueAt(modelRow, 0);
                                        if ("Buy".equals(type))
c.setBackground(Color.GREEN);
                                        if ("Sell".equals(type))
c.setBackground(Color.YELLOW);
                                }

                                return c;
                        }
                };

                table.setPreferredScrollableViewportSize(table.getPreferredSize
());
                table.changeSelection(0, 0, false, false);
        table.setAutoCreateRowSorter(true);
                return new JScrollPane( table );
        }

        public static void main(String[] args)
        {
                SwingUtilities.invokeLater(new Runnable() {
                        public void run() {
                                createAndShowGUI();
                        }
                });
        }

        public static void createAndShowGUI()
        {
                JFrame.setDefaultLookAndFeelDecorated(true);
                JFrame frame = new JFrame("Table Row Rendering");
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                frame.add( new TableRowRenderingTip() );
                frame.pack();
                frame.setLocationRelativeTo(null);
                frame.setVisible(true);
        }
}



//-------------- PROJECT 2 ---------------------
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package javaapplication2;

import java.awt.BorderLayout;
import java.awt.EventQueue;
import javax.swing.*;
import javax.swing.table.DefaultTableModel; import 
javax.swing.table.TableModel; import javax.swing.table.TableRowSorter;

public class testtable extends javax.swing.JFrame {

    /**
     * Creates new form testtable
     */
    public testtable() {
        initComponents();

       Runnable runner = new Runnable() {
        public void run() {

           Object rows[][] = {
               {"AMZN", "Amazon", 41.28},
               {"EBAY", "eBay", 41.57},
               {"GOOG", "Google", 388.33},
               {"MSFT", "Microsoft", 26.56},
               {"NOK", "Nokia Corp", 17.13},
               {"ORCL", "Oracle Corp.", 12.52},
               {"SUNW", "Sun Microsystems", 3.86},
               {"TWX",  "Time Warner", 17.66},
               {"VOD",  "Vodafone Group", 26.02},
               {"YHOO", "Yahoo!", 37.69}
             };
           String columns[] = {"Symbol", "Name", "Price"};
           TableModel model =
               new DefaultTableModel(rows, columns) {
             public Class getColumnClass(int column) {
               Class returnValue;
               if ((column >= 0) && (column < getColumnCount())) {
                 returnValue = getValueAt(0, column).getClass();
               } else {
                 returnValue = Object.class;
               }
               return returnValue;
             }
           };

           RowSorter<TableModel> sorter =
             new TableRowSorter<TableModel>(model);
           jTable1.setModel(model);
           jTable1.setRowSorter(sorter);
         }
       };
       EventQueue.invokeLater(runner);
}
    /**
     * This method is called from within the constructor to initialize the
form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">
    private void initComponents() {

        jScrollPane1 = new javax.swing.JScrollPane();
        jTable1 = new javax.swing.JTable();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jTable1.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null}
            },
            new String [] {
                "Title 1", "Title 2", "Title 3", "Title 4"
            }
        ));
        jScrollPane1.setViewportView(jTable1);

        javax.swing.GroupLayout layout = new
javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADIN
G)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jScrollPane1,
javax.swing.GroupLayout.PREFERRED_SIZE, 375, 
javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(13, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADIN
G)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING,
layout.createSequentialGroup()
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE)
                .addComponent(jScrollPane1,
javax.swing.GroupLayout.PREFERRED_SIZE, 275, 
javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap())
        );

        pack();
    }// </editor-fold>

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /*
         * Set the Nimbus look and feel
         */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting
code (optional) ">
        /*
         * If Nimbus (introduced in Java SE 6) is not available, stay with the
         * default look and feel. For details see
         * http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.
html
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info :
javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(testtable.class.getName()).log(j
ava.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(testtable.class.getName()).log(j
ava.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(testtable.class.getName()).log(j
ava.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(testtable.class.getName()).log(j
ava.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /*
         * Create and display the form
         */
        java.awt.EventQueue.invokeLater(new Runnable() {

            public void run() {
                new testtable().setVisible(true);
            }
        });
    }
    // Variables declaration - do not modify
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable jTable1;
    // End of variables declaration
}

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How to color a cell in a JTable "clusardi2k" <clusardi2k@1:261/38.remove-nwi-this> - 2012-07-27 19:42 +0000
  Re: How to color a cell in a JTable "markspace" <markspace@1:261/38.remove-5ky-this> - 2012-07-28 20:40 +0000

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