owncellrenderer.java

这是一个简单的图书管理系统,适用于教学中演示,讲解java高级编程语言

package helpfile;
import javax.swing.ListCellRenderer;
import java.awt.Component;
import javax.swing.JList;
import javax.swing.*;
import java.awt.*;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2002</p>
 * <p>Company: </p>
 * @author unascribed
 * @version 1.0
 */

public class OwnCellRenderer extends JLabel implements ListCellRenderer {
  private Icon[] icons;

  public OwnCellRenderer(Icon[] icons) {
    this.icons = icons;
    this.setOpaque(true);
    this.setFont(new Font("Dialog",Font.PLAIN,16));

  }
  public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
    /**@todo Implement this javax.swing.ListCellRenderer method*/
    if(value!=null){
        String text = value.toString();
        this.setText(text);
    }
    this.setIcon(icons[index]);
    if(isSelected){
        this.setBackground(list.getSelectionBackground());
        this.setForeground(list.getSelectionForeground());
    }
    else{

        this.setBackground(list.getBackground());
        this.setForeground(list.getForeground());
    }
    return this;
    //throw new java.lang.UnsupportedOperationException("Method getListCellRendererComponent() not yet implemented.");
  }
}