www.pudn.com > tame.rar > CheckListExample.java

/* (swing1.1.1beta2) */
package tame.examples;

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.GridLayout;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.ListCellRenderer;
import javax.swing.ListModel;
import javax.swing.ListSelectionModel;
import javax.swing.UIManager;
import javax.swing.border.EmptyBorder;
import javax.swing.plaf.metal.MetalIconFactory;

import tame.tree.CheckRenderer;

/**
@author Nobuo Tamemasa
@version 1.0 04/24/99
*/
public class CheckListExample extends JFrame {

  public CheckListExample() {
    super("CheckList Example");
    String[] strs = {"swing", "home", "basic", "metal", "JList"};

    final JList list = new JList( createData(strs) );

    // set "home" icon
    Icon icon = MetalIconFactory.getFileChooserHomeFolderIcon();
    ((CheckableItem)list.getModel().getElementAt(1)).setIcon(icon);

    list.setCellRenderer(new CheckListRenderer());
    list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    list.setBorder(new EmptyBorder(0,4,0,0));
    list.addMouseListener(new MouseAdapter() {
      public void mouseClicked(MouseEvent e) {
        int index = list.locationToIndex(e.getPoint());
        CheckableItem item = (CheckableItem)list.getModel().getElementAt(index);
        item.setSelected(! item.isSelected());
        Rectangle rect = list.getCellBounds(index, index);
        list.repaint(rect);
      }
    });
    JScrollPane sp = new JScrollPane(list);

    final JTextArea textArea = new JTextArea(3,10);
    JScrollPane textPanel = new JScrollPane(textArea);
    JButton printButton = new JButton("print");
    printButton.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        ListModel model = list.getModel();
        int n = model.getSize();
        for (int i=0;i