jclassawtlist.java

源码为科学出版社出版的英文<java设计模式>(影印版)所用的所有例子程序

import java.awt.*;
import java.awt.event.*;
import java.util.*;
//swing classes
import javax.swing.text.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.tree.*;
import javax.swing.border.*;

//this is a simple adapter class to
//convert List awt methods to Swing methods

public class JclassAwtList extends JList
   implements ListSelectionListener, awtList
{
   private JListData listContents;
//-----------------------------------------
   public JclassAwtList(int rows)
   {
      listContents = new JListData();
      setModel(listContents);
      setPrototypeCellValue("Abcdefg Hijkmnop");     
   }
//-----------------------------------------
   public void add(String s)
   {
      listContents.addElement(s);
   }
//-----------------------------------------
   public void remove(String s)
   {
      listContents.removeElement(s);
   }
//-----------------------------------------
   public String[] getSelectedItems()
   {
      Object[] obj = getSelectedValues();
      String[] s = new String[obj.length];
      for (int i =0; i<obj.length; i++) 
            s[i] = obj[i].toString();
      return s;
   }
//-----------------------------------------
   public void valueChanged(ListSelectionEvent e)
   {
   }
   
}