java 字体对话框

package org.whsvc.font;

武汉软件工程职业学院 计算机应用系 孟德军
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/*             [e-mail]       */
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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();
    }
   }
}
}