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();
}
}
}
}