TableCellRendererを試す

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MyCellRenderer.java
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import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import javax.swing.table.*;

import java.util.*;

/**
* $Id: TableCellRendererTest.html,v 1.1 2006/05/17 04:17:46 kishi Exp kishi $
* @author KISHI Yasuhiro
*/

public class MyCellRenderer extends JLabel implements TableCellRenderer {

    public Component getTableCellRendererComponent(
        JTable table, Object data, boolean isSelected, boolean hasFocus,
        int row, int column ) {

        setOpaque( true );
        setText( data.toString() );

        if ( column == 0 ) {
            setHorizontalAlignment( JLabel.RIGHT );
            setBackground( Color.cyan );
            setFont( new Font( "SansSerif", Font.PLAIN, 16 ) );
        } else if ( column == 1 ) {
            setHorizontalAlignment( JLabel.LEFT );
            setBackground( Color.white );
            setFont( new Font( "Dialog", Font.ITALIC, 12 ) );

        } else if ( column == 2 ) {
            setHorizontalAlignment( JLabel.CENTER );
            setBackground( Color.white );
            setFont( new Font( "SansSerif", Font.BOLD, 14 ) );
        }

        return this;
    }

}
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TableCellRendererTest.java
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import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import javax.swing.table.*;

import java.util.*;

/**
* $Id: TableCellRendererTest.html,v 1.1 2006/05/17 04:17:46 kishi Exp kishi $
* @author KISHI Yasuhiro
*/

public class TableCellRendererTest extends JFrame implements ActionListener {

    private String[] columnNames = {"id", "name", "updateTime"};

    private DefaultTableModel model;

    public static void main( String[] args ) {
        TableCellRendererTest test = new TableCellRendererTest();

        /* 終了処理 */
        test.addWindowListener( new WindowAdapter() {
                                    public void windowClosing( WindowEvent e ) {
                                        System.exit( 0 );
                                    }
                                }
                              );

        test.setTitle( "TableCellRendererのテスト" );
        test.setBounds( 10, 10, 480, 600 );

        test.setVisible( true );
    }

    public TableCellRendererTest() {

        model = new DefaultTableModel();
        // ヘッダをセット
        model.setColumnIdentifiers( columnNames );
        getTableData();

        JTable table = new JTable( model );
        // セルレンダラーを設定する
        table.setDefaultRenderer( Object.class, new MyCellRenderer() );

        // 各カラムの表示幅を指定する
        int[] width = new int[ columnNames.length ];
        width[ 0 ] = 50;
        width[ 1 ] = 100;
        width[ 2 ] = 240;
        for ( int i = 0;i < width.length;i++ ) {
            TableColumn col = table.getColumnModel().getColumn( i );
            col.setMinWidth( width[ i ] );
            col.setMaxWidth( width[ i ] );
        }

        // スクロールペイン
        JScrollPane scrPane = new JScrollPane();
        scrPane.getViewport().setView( table );
        scrPane.setPreferredSize( new Dimension( 400, 500 ) );

        // 上部のパネル
        JPanel panel = new JPanel();
        panel.add( scrPane );

        // ボタン
        JButton reload = new JButton( "RELOAD" );
        reload.setActionCommand( "RELOAD" );
        reload.addActionListener( this );

        // 下部のパネル
        JPanel lowerPanel = new JPanel();
        lowerPanel.add( reload );

        // 全体
        Container content = this.getContentPane();
        content.add( panel, BorderLayout.CENTER );
        content.add( lowerPanel, BorderLayout.SOUTH );
    }

    public void actionPerformed( ActionEvent e ) {
        String command = e.getActionCommand();
        System.out.println( "COMMAND=" + command );
    }

    private void getTableData() {

        for ( int i = 0; i < 10 ; i++ ) {
            Object[] obj = new Object[ 3 ];
            obj[ 0 ] = i * 9;
            obj[ 1 ] = new String( i + "さん" );
            obj[ 2 ] = ( new Date() ).toString();

            model.addRow( obj );
        }

    }
}