java字体设置对话框
我看了一下JDK发现java没有提供字体设置对话框，所以决定自己写一个哦！
//字体设置对话框
JFontDialog.java
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import javax.swing.event.*;
import javax.swing.border.*;
/**
* 作者：李 世贵
* JDK: 1.6
* 来源: http://blog.csdn.net/lishigui
* 欢迎转接,请保留作者和来源,谢谢!
* 2009-4-23 上午10:30:15
*/
public class JFontDialog extends JDialog {
private static final long serialVersionUID = 1L;
JList fontpolics, fontstyle, fontsize, fontcolor;
JTextField fontpolict, fontstylet, fontsizet, fontcolort;
JButton[] ColorButton;
String example;
JLabel FontResolvent;
JButton buttonok, buttoncancel;
Color[] colors = { Color.BLACK, Color.BLUE, Color.CYAN, Color.DARK_GRAY,
Color.GRAY, Color.GREEN, Color.LIGHT_GRAY, Color.MAGENTA,
Color.ORANGE, Color.PINK, Color.RED, Color.WHITE, Color.YELLOW };
String[] colornames = { "BLACK", "BLUE", "CYAN", "DARK_GRAY", "GRAY",
"GREEN", "LIGHT_GRAY", "MAGENTA", "ORANGE", "PINK", "RED", "WHITE",
"YELLOW" };
private JFontDialogTest frame;
public JFontDialog(JFontDialogTest owner, String title, boolean modal) {
super(owner, title, modal);
Container container = getContentPane();
container.setLayout(new BorderLayout());
this.frame = owner;
JPanel panel = new JPanel();
panel.setLayout(new GridLayout(2, 1));
JPanel FontSet, FontView;
FontSet = new JPanel(new GridLayout(1, 4));
FontView = new JPanel(new GridLayout(1, 2));
example = "AaBbCcDdEe";
FontResolvent = new JLabel(example, JLabel.CENTER);
FontResolvent.setBackground(Color.WHITE);
ListSelectionListener selectionListener = new ListSelectionListener() {
public void valueChanged(ListSelectionEvent e) {
if (((JList) e.getSource()).getName().equals("polic")) {
fontpolict.setText((String) fontpolics.getSelectedValue());
FontResolvent.setFont(new Font(fontpolict.getText(), FontResolvent.getFont().getStyle(), FontResolvent.getFont().getSize()));
}
if (((JList) e.getSource()).getName().equals("style")) {
fontstylet.setText((String) fontstyle.getSelectedValue());
FontResolvent.setFont(new Font(FontResolvent.getFont().getFontName(), fontstyle.getSelectedIndex(),FontResolvent.getFont().getSize()));
}
if (((JList) e.getSource()).getName().equals("size")) {
fontsizet.setText((String) fontsize.getSelectedValue());
try {
Integer.parseInt(fontsizet.getText());
} catch (Exception excepInt) {
fontsizet.setText(FontResolvent.getFont().getSize()+ "");
}
FontResolvent.setFont(new Font(FontResolvent.getFont().getFontName(), FontResolvent.getFont().getStyle(),Integer.parseInt(fontsizet.getText())));
}
if (((JList) e.getSource()).getName().equals("color")) {
fontcolort.setText(colornames[fontcolor.getSelectedIndex()]);
FontResolvent.setForeground(colors[fontcolor.getSelectedIndex()]);
}
}
};
KeyListener keyListener = new KeyListener() {
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == 10) {
if (((JTextField) e.getSource()).getName().equals("polic")) {
FontResolvent.setFont(new Font(fontpolict.getText(),FontResolvent.getFont().getStyle(),FontResolvent.getFont().getSize()));
}
if (((JTextField) e.getSource()).getName().equals("style")) {
fontstylet.setText((String) fontstyle.getSelectedValue());
FontResolvent.setFont(new Font(FontResolvent.getFont().getFontName(), fontstyle.getSelectedIndex(),FontResolvent.getFont().getSize()));
}
if (((JTextField) e.getSource()).getName().equals("size")) {
try {
Integer.parseInt(fontsizet.getText());
} catch (Exception excepInt) {
fontsizet.setText(FontResolvent.getFont().getSize()+ "");
}
FontResolvent.setFont(new Font(FontResolvent.getFont().getFontName(), FontResolvent.getFont().getStyle(), Integer.parseInt(fontsizet.getText())));
}
}
}
public void keyReleased(KeyEvent e) {
}
public void keyTyped(KeyEvent e) {
}
};
// 字体
JPanel Fontpolic = new JPanel();
Border border = BorderFactory.createLoweredBevelBorder();
border = BorderFactory.createTitledBorder(border, "字体");
Fontpolic.setBorder(border);
Font[] fonts = java.awt.GraphicsEnvironment
.getLocalGraphicsEnvironment().getAllFonts();
int taille = fonts.length;
String[] policnames = new String[taille];
for (int i = 0; i < taille; i++) {
policnames[i] = fonts[i].getName();
}
fontpolics = new JList(policnames);
fontpolics.setName("polic");
fontpolics.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
fontpolics.addListSelectionListener(selectionListener);
fontpolics.setVisibleRowCount(6);
fontpolict = new JTextField(policnames[0]);
fontpolict.setName("polic");
fontpolict.addKeyListener(keyListener);
JScrollPane jspfontpolic = new JScrollPane(fontpolics);
Fontpolic.setLayout(new BoxLayout(Fontpolic, BoxLayout.PAGE_AXIS));
Fontpolic.add(fontpolict);
Fontpolic.add(jspfontpolic);
// 样式
JPanel Fontstyle = new JPanel();
border = BorderFactory.createLoweredBevelBorder();
border = BorderFactory.createTitledBorder(border, "样式");
Fontstyle.setBorder(border);
String[] styles = { "PLAIN", "BOLD", "ITALIC", "BOLD ITALIC" };
fontstyle = new JList(styles);
fontstyle.setName("style");
fontstyle.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
fontstyle.addListSelectionListener(selectionListener);
fontstyle.setVisibleRowCount(6);
fontstylet = new JTextField(styles[0]);
fontstylet.setName("style");
fontstylet.addKeyListener(keyListener);
JScrollPane jspfontstyle = new JScrollPane(fontstyle);
Fontstyle.setLayout(new BoxLayout(Fontstyle, BoxLayout.PAGE_AXIS));
Fontstyle.add(fontstylet);
Fontstyle.add(jspfontstyle);
// 大小
JPanel Fontsize = new JPanel();
border = BorderFactory.createLoweredBevelBorder();
border = BorderFactory.createTitledBorder(border, "大小");
Fontsize.setBorder(border);
String[] sizes = { "10", "14", "18", "22", "26", "30" };
fontsize = new JList(sizes);
fontsize.setName("size");
fontsize.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
fontsize.addListSelectionListener(selectionListener);
fontsize.setVisibleRowCount(6);
fontsizet = new JTextField(sizes[0]);
fontsizet.setName("size");
fontsizet.addKeyListener(keyListener);
JScrollPane jspfontsize = new JScrollPane(fontsize);
Fontsize.setLayout(new BoxLayout(Fontsize, BoxLayout.PAGE_AXIS));
Fontsize.add(fontsizet);
Fontsize.add(jspfontsize);
// 颜色
JPanel Fontcolor = new JPanel();
Border bordercolor = BorderFactory.createLoweredBevelBorder();
bordercolor = BorderFactory.createTitledBorder(bordercolor, "颜色");
Fontcolor.setBorder(bordercolor);
fontcolor = new JList(colornames);
fontcolor.setName("color");
fontcolor.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
fontcolor.addListSelectionListener(selectionListener);
fontcolor.setVisibleRowCount(6);
fontcolort = new JTextField(colornames[0].toString());
fontcolort.setName("color");
fontcolort.addKeyListener(keyListener);
JScrollPane jspfontcolor = new JScrollPane(fontcolor);
Fontcolor.setLayout(new BoxLayout(Fontcolor, BoxLayout.PAGE_AXIS));
Fontcolor.add(fontcolort);
Fontcolor.add(jspfontcolor);
FontSet.add(Fontpolic);
FontSet.add(Fontstyle);
FontSet.add(Fontsize);
FontSet.add(Fontcolor);
FontView.add(FontResolvent);
panel.add(FontSet);
panel.add(FontView);
JPanel panelnorth = new JPanel();
panelnorth.setLayout(new FlowLayout());
buttonok = new JButton("确定");
buttoncancel = new JButton("取消");
panelnorth.add(buttonok);
panelnorth.add(buttoncancel);
buttonok.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
frame.testLabel.setFont(FontResolvent.getFont());
frame.testLabel.setForeground(FontResolvent.getForeground());
JFontDialog.this.setVisible(false);
}
});
buttoncancel.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
JFontDialog.this.setVisible(false);
}
});
container.add(panel, BorderLayout.CENTER);
container.add(panelnorth, BorderLayout.SOUTH);
setSize(400, 300);
this.setVisible(true);
}
}
//下面是测试程序代码
JFontDialogTest.java
import java.awt.BorderLayout;
import java.awt.Container;
import javax.swing.JButton;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.SwingConstants;
/**
* 作者：李 世贵
* JDK: 1.6
* 来源: http://blog.csdn.net/lishigui
* 欢迎转接,请保留作者和来源,谢谢!
* 2009-4-23 上午10:55:30
*/
public class JFontDialogTest extends JFrame{
public JLabel testLabel = null;
private JButton fontButton = null;
public JFontDialogTest(){
super("test");
Container container = getContentPane();
container.setLayout(new BorderLayout());
testLabel = new JLabel("JFontDialog Test!", SwingConstants.CENTER);
testLabel.setFont(new Font("", Font.BOLD, 26));
container.add(testLabel, BorderLayout.CENTER);
fontButton = new JButton("字体设置");
fontButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {
new JFontDialog(JFontDialogTest.this, "字体设置", true);
}
});
container.add(fontButton, BorderLayout.SOUTH);
setSize(300,200);
setVisible(true);
}
public static void main(String[]lsg){
JFontDialogTest dialog = new JFontDialogTest();
dialog.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}
下面是测试类的界面：
在测试类中点击“字体设置”按键会弹出字体设置对话框：
