JTABLE AVEC MODEL DE RENDUE DE CELLULE (HEADER SUR PLUSIEUR LIGNES)...

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

/**
 * @author ludo
 *
 */
public class FrmTable extends JFrame
{
    JTable tblProcess    = null;

    public FrmTable() 
    {
        super( "exemple de table" );
        setBounds( 100, 100, 500, 500 );
        JTable lst = new JTable();
        TableModelNoEditable tmne = new TableModelNoEditable();
        tblProcess = new JTable();
        tblProcess.setModel( tmne );
        {
            tmne.addColumn( "Nom" );
            tmne.addColumn( "Créateur\nludo" );
            tmne.addColumn( "Type\npas bo" );
            tmne.addColumn( "Etat" );
            Object[] vals = { "ma game", "moi", "Othello", "demarrer" };
            tmne.addRow( vals );
            tmne.addRow( vals );
            tmne.addRow( vals );
        }
        
        TableCellRenderer tbc = getTableCellRenderer();
        TableCellRenderer tbch = getTableHeaderRenderer();
        tblProcess.getTableHeader().setReorderingAllowed( false );
/////////////////////////////////////////////////////////
// lignes a metre en comment pour retrouver le comportement de la table par defau
        for (int i = 0; i < tmne.getColumnCount(); i++)
        {
            TableColumn tc = tblProcess.getColumnModel().getColumn( i );
            tc.setCellRenderer( tbc );
            tc.setHeaderRenderer( tbch );
        } 
//////////////////////////////////////////////////////////

        JScrollPane sclp = new JScrollPane();
        sclp.getViewport().add( tblProcess );
        addWindowListener(new WindowAdapter(){
                    public void windowClosing(WindowEvent e)
                    {
                        super.windowClosing(e);
                        System.exit( 0 );
                    }
                         });
        getContentPane().setLayout( new BorderLayout() );
        getContentPane().add( sclp, BorderLayout.CENTER );
    }

    public static void main(String[] args)
    {
        new FrmTable().setVisible( true );
    }
    
    // permet de controler la possibilieter dedition 
    // de n importe kel cellule : la on interdit tout 
    class TableModelNoEditable extends DefaultTableModel
    { public boolean isCellEditable(int row, int col) { return false;} }

    private static TableCellRenderer label = null;
    public static TableCellRenderer getTableCellRenderer()
    {
        if ( label == null )
        label = new TableGameRenderer();
        return label;
    }
    
    static class TableGameRenderer extends JLabel implements TableCellRenderer
    {
        public Component getTableCellRendererComponent(
            JTable table,
            Object value,
            boolean isSelected,
            boolean hasFocus,
            int row,
            int column)
        {
            setForeground(Color.black);
            Font font = table.getFont();
            setOpaque(true);
            if (isSelected)
                font = new Font(font.getName(), Font.BOLD | Font.ITALIC, font.getSize());
            else
                font = new Font(font.getName(), Font.PLAIN, font.getSize());
            setFont(font);
            setHorizontalAlignment(JLabel.CENTER);
            setText((String) value);
            return this;
        }
    }

    public static TableCellRenderer getTableHeaderRenderer()
    {
        return new TableCellRenderer()
            {
                public Component getTableCellRendererComponent(
                    JTable table,
                    Object value,
                    boolean isSelected,
                    boolean hasFocus,
                    int row,
                    int column)
                {
//                    JLabel lbl = new JLabel();
                    JTextArea lbl = new JTextArea()
                                        {
                                    // methode a redefinir  pour modifier l aspect de la cellule
                                    public void paint( Graphics g )
                                    {
                                        super.paint( g );
                                    }
                                        };
//                    lbl.setHorizontalAlignment( JLabel.CENTER );
                    Font font = table.getFont();
                    lbl.setOpaque( true );
                    font = new Font( font.getName(), Font.BOLD, font.getSize() + 2 ); 
                    lbl.setFont( font );
                    lbl.setForeground( Color.black );
                    lbl.setText( (String)value );
                    return lbl;
                }
            };
    }
}

Télécharger le zip