nwfontchoosers.java

ｊａｖａ实现的画板程序

package drawpane;


import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import java.math.*;
import java.awt.image.BufferedImage;

//瀛椾綋閫夋嫨

public class NwFontChooserS extends JDialog
{
  String[] styleList = new String[] {
      "Plain", "Bold", "Italic"};
  String[] sizeList = new String[] {
      "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15",
      "16", "17",
      "18", "19", "20", "22", "24", "27", "30", "34", "39", "45", "51", "60"};
  NwList StyleList;
  NwList FontList;
  NwList SizeList;
  static JLabel Sample = new JLabel();
  boolean ob = false;

  private NwFontChooserS(Frame parent, boolean modal, Font font) {
    super(parent, modal);
    initAll();
    setTitle("閫夋嫨瀛椾綋");
    if (font == null) font = Sample.getFont();
    FontList.setSelectedItem(font.getName());
    SizeList.setSelectedItem(font.getSize() + "");
    StyleList.setSelectedItem(styleList[font.getStyle()]);

  }

  public static Font showDialog(Frame parent, String s, Font font) {
    NwFontChooserS fd = new NwFontChooserS(parent, true, font);
    if (s != null) fd.setTitle(s);
    fd.setVisible(true);
    Font fo = font;
    if (fd.ob) fo = Sample.getFont();
    fd.dispose();
    return (fo);
  }

  private void initAll() {
    getContentPane().setLayout(null);
    setBounds(50, 50, 425, 405);
    addLists();
    addButtons();
    Sample.setBounds(10, 320, 415, 25);
    Sample.setForeground(Color.black);
    getContentPane().add(Sample);
    addWindowListener(new WindowAdapter() {
      public void windowClosing(java.awt.event.WindowEvent e) {
        setVisible(false);
      }
    });
  }

  private void addLists() {
    FontList = new NwList(GraphicsEnvironment.getLocalGraphicsEnvironment
                          ().getAvailableFontFamilyNames());
    StyleList = new NwList(styleList);
    SizeList = new NwList(sizeList);
    FontList.setBounds(10, 10, 260, 295);
    StyleList.setBounds(280, 10, 80, 295);
    SizeList.setBounds(370, 10, 40, 295);
    getContentPane().add(FontList);
    getContentPane().add(StyleList);
    getContentPane().add(SizeList);
  }

  private void addButtons() {
    JButton ok = new JButton("纭