Source Code : How to create list cell renderer

Java Is Open Source Programming Language You Can Download From Java and Java Libraries From http://www.oracle.com. Click Here to download
We provide this code related to title for you to solve your developing problem easily. Libraries which is import in this program you can download from http://www.oracle.com. Click Here or search from google with Libraries Name you get jar file related it

How to create list cell renderer

 
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.Vector;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.ListCellRenderer;
import javax.swing.ListSelectionModel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;

public class FontCellRenderer implements ListCellRenderer {

  public Component getListCellRendererComponent(final JList list,
      final Object value, final int index, final boolean isSelected,
      final boolean cellHasFocus) {
    return new JPanel() {
      public void paintComponent(Graphics g) {
        super.paintComponent(g);
        Font font = (Font) value;
        String text = font.getFamily();
        FontMetrics fm = g.getFontMetrics(font);
        g.setColor(isSelected ? list.getSelectionBackground() : list
            .getBackground());
        g.fillRect(0, 0, getWidth(), getHeight());
        g.setColor(isSelected ? list.getSelectionForeground() : list
            .getForeground());
        g.setFont(font);
        g.drawString(text, 0, fm.getAscent());
      }

      public Dimension getPreferredSize() {
        Font font = (Font) value;
        String text = font.getFamily();
        Graphics g = getGraphics();
        FontMetrics fm = g.getFontMetrics(font);
        return new Dimension(fm.stringWidth(text), fm.getHeight());
      }
    };
  }

  public static void main(String[] args) {
    JFrame frame = new ListRenderingFrame();
    frame.show();
  }

}

class ListRenderingFrame extends JFrame implements ListSelectionListener {
  JLabel label = new JLabel("The quick brown fox jumps over the lazy dog");

  public ListRenderingFrame() {
    setTitle("ListRendering");
    setSize(400, 300);
    addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {
        System.exit(0);
      }
    });

    Vector fonts = new Vector();
    fonts.add(new Font("Serif", Font.PLAIN, 8));
    fonts.add(new Font("SansSerif", Font.BOLD, 12));
    fonts.add(new Font("Monospaced", Font.PLAIN, 16));
    fonts.add(new Font("Dialog", Font.ITALIC, 12));
    fonts.add(new Font("DialogInput", Font.PLAIN, 12));
    JList fontList = new JList(fonts);
    fontList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    fontList.setCellRenderer(new FontCellRenderer());
    JScrollPane scrollPane = new JScrollPane(fontList);

    JPanel p = new JPanel();
    p.add(scrollPane);
    fontList.addListSelectionListener(this);

    getContentPane().add(p, "Center");

    getContentPane().add(label, "South");
  }

  public void valueChanged(ListSelectionEvent evt) {
    JList source = (JList) evt.getSource();
    Font font = (Font) source.getSelectedValue();
    label.setFont(font);
  }
}
           
         
  

Thank with us