java字体对话框

package org.whsvc.mdj.font;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import javax.swing.border.*;
import java.util.*;
public class FontDialog
{
 private Dialog fontdialog;
 private JButton okButton,cancelButton;
 private int width=450;
 private int height=250;
 private String name="Serif";
    private int type=0;
    private int size=12;  
 private static final int OK_OPTION=0x00001;
 private static final int CANCEL_OPTION=0x00010;
 private Font customFont=new Font("宋体",Font.ITALIC,12);
 private boolean okpressed=false;
 private boolean cancelpressed=false;
 private JLabel lbl1=new JLabel("字体：");
    private JLabel lbl2=new JLabel("字形：");
    private JLabel lbl3=new JLabel("字号：");
    private JTextArea area;
 String[] zx={"平体","加粗","斜体","基线"};
 JLabel lbl=new JLabel("字体样式Style");
 private JComboBox cb1,cb3,cb2=new JComboBox(zx);
 private  Container c;
    private String[] zt;
    public FontDialog(Frame owner, String title, boolean modal)
  {
   init();
   fontdialog=new Dialog(owner,title,modal);
   fontdialog.setLocation(owner.getLocation());
   fontdialog.setLayout(new FlowLayout());
   fontdialog.setSize(getWidth(),getHeight());
   fontdialog.add(lbl1);
   fontdialog.add(cb1);
   fontdialog.add(lbl2);
   fontdialog.add(cb2);
   fontdialog.add(lbl3);
   fontdialog.add(cb3);
   fontdialog.add(okButton);
   fontdialog.add(cancelButton);
   fontdialog.add(area);
   fontdialog.setResizable(false);
   fontdialog.setAlwaysOnTop(true);
   fontdialog.setBackground(new Color(145,167,220));
   cancelButton.addActionListener(new fontListener());
   okButton.addActionListener(new fontListener());
   fontdialog.addWindowListener(new fontListener());
   cb1.addItemListener(new ItemListener(){
    public void itemStateChanged(ItemEvent event)
            {
               int state=event.getStateChange();
                 name=(String) event.getItem();
      setCustomFont(new Font(name,type,size));
            }
    });
        cb2.addItemListener(new ItemListener()
        {
        public void itemStateChanged(ItemEvent event)
           {
             int state=event.getStateChange();
               String s=(String) event.getItem();
               if (s.equals("平体"))
               {
                       type=Font.PLAIN;
                       setCustomFont(new Font(name,type,size));
               }else if(s.equals("加粗"))
               {
                       type=Font.BOLD;
                       setCustomFont(new Font(name,type,size));
                }else if(s.equals("斜体"))
                {
                       type=Font.ITALIC;
                       setCustomFont(new Font(name,type,size));
                }else
                 {
                 type=Font.CENTER_BASELINE;
                    setCustomFont(new Font(name,type,size));
                 }

           }
        });
        cb3.addItemListener(new ItemListener()
        {
        public void itemStateChanged(ItemEvent event)
           {
             String state=event.getItem().toString();
             size=Integer.parseInt(state);
             setCustomFont(new Font(name,type,size));
           }
        });

  }
 public Font showFontDialog()
  {
   fontdialog.setVisible(true);
   if(okpressed)
    {
    return getCustomFont();
    }
   else
    {
    return customFont;
    }
  }
 private void init()
  {
   okButton=new JButton("确定");
   cancelButton=new JButton("取消");
   GraphicsEnvironment ge=GraphicsEnvironment.getLocalGraphicsEnvironment();
        zt=ge.getAvailableFontFamilyNames();
        cb1=new JComboBox(zt);
        cb1.setMaximumRowCount(6);
        area=new JTextArea(6,30);
        cb3=new JComboBox();
        for(int i=1;i<=72;i++)
         {
         if(i%2==0)
         {
          cb3.addItem(i);
         }
         }
        okButton.setFocusable(true);
        area.setEditable(false);
        area.setText(new Date().toString());
        area.setBorder(new TitledBorder("字体样式"));
        area.setBackground(new Color(255,122,0));
        okButton.setBackground(new Color(122,122,122));
        cancelButton.setBackground(new Color(122,122,122));
        
  }

 
 public void setWidth(int width) {
   this.width = width;
 }

 public void setHeight(int height){
   this.height = height;
 }

 private int getWidth() {
   return (this.width);
 }

 private int getHeight() {
   return (this.height);
 }

 
 private void setCustomFont(Font customFont) {
  this.customFont = customFont;
  area.setFont(customFont);
        area.revalidate();

 }
 public String toString()
 {
  return FontDialog.class.toString();
 }
 public Font getCustomFont() {
  return (this.customFont);
 }
 private class fontListener extends WindowAdapter implements ActionListener
 {
   public void windowClosing(WindowEvent e)
   {
     fontdialog.dispose();
     
   }
   
   public void actionPerformed(ActionEvent e)
   {
    if(e.getSource()==cancelButton)
    {
     fontdialog.dispose();
     cancelpressed=true;
    }
    else if(e.getSource()==okButton)
    {
     okpressed=true;
     setCustomFont(new Font(name,type,size));
     fontdialog.dispose();
    }
   }
 }
 
 
}