FontChooser.java

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class FontChooser
{    
    static public Font showDialog(Component component,Font font)
    {
	FontChooserPane pane=new FontChooserPane();
	if(component!=null)
	    {
		Point pos=component.getLocation();
		if(component.getClass().getName().equals("ButtonApplet"))
		    {
			pos.x=((JApplet)component).getLocationOnScreen().x;
			pos.y=((JApplet)component).getLocationOnScreen().y;
		    }
		pane.setLocation(pos);
	    }
	if(font!=null)
	    {
		pane.defaultFont(font);
	    }
	pane.show();

	if(pane.isOK)
	    {
		String family=(String)pane.fontFamily.getSelectedItem();
		String str=pane.fontSize.getText();
		int size=Integer.parseInt(str);
		
		int style=Font.PLAIN;
		if(pane.bold.isSelected())
		    {
			style=Font.BOLD;
			if(pane.italic.isSelected())
			    style|=Font.ITALIC;
		    }
		else if(pane.italic.isSelected())
		    style=Font.ITALIC;
		    
		font=new Font(family,style,size);
	    }
	return font;
    }
}

class FontChooserPane extends JDialog
{
    JToggleButton bold=new JToggleButton("Bold");    
    //    JToggleButton bold=new JToggleButton("B");    
    JToggleButton italic=new JToggleButton("Italic");    
    //    JToggleButton italic=new JToggleButton("I");    
    JComboBox fontFamily;
    JTextField fontSize=new JTextField(3);
    Font font=null;
    ComboBoxRenderer renderer=new ComboBoxRenderer();    
    JButton ok=new JButton("OK");
    JButton cancel=new JButton("Cancel");
    boolean isOK=false;
    
    FontChooserPane()
    {
	init();
    }
    public void init()
    {	
	setTitle("Select Font");
	setModal(true);
	fontSize.setText("24");

	GraphicsEnvironment ge=GraphicsEnvironment.getLocalGraphicsEnvironment();
	String list[]=ge.getAvailableFontFamilyNames();
	fontFamily=new JComboBox(list);
	renderer.setPreferredSize(new Dimension(300, 30));
	fontFamily.setMaximumRowCount(10);
	fontFamily.setRenderer(renderer);

	setLayout(new FlowLayout());
	Container pane=getContentPane();
	JPanel fontFamilyPanel=new JPanel();
	fontFamilyPanel.setLayout(new BorderLayout());
	fontFamilyPanel.add(new JLabel("Font Family: "),BorderLayout.NORTH);
	fontFamilyPanel.add(fontFamily);
	pane.add(fontFamilyPanel);

	JPanel fontStylePanel=new JPanel();
	fontStylePanel.setLayout(new BorderLayout());
	fontStylePanel.add(new JLabel("Font Style: "),BorderLayout.NORTH);	 
	JPanel fontStylePanelSelect=new JPanel();
	fontStylePanelSelect.add(bold);
	fontStylePanelSelect.add(italic);
	fontStylePanel.add(fontStylePanelSelect);
	pane.add(fontStylePanel);

	JPanel fontSizePanel=new JPanel();
	fontSizePanel.setLayout(new BorderLayout());
	fontSizePanel.add(new JLabel("Font Size: "),BorderLayout.NORTH);
	fontSizePanel.add(fontSize);
	pane.add(fontSizePanel);

	pane.add(ok);
	pane.add(cancel);
	ok.setActionCommand("OK");
	ok.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    isOK=true;
		    hide();
		}
	    });

	cancel.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    hide();
		}
	    });
	pack();
	bold.addKeyListener(this);
	italic.addKeyListener(this);
	fontSize.addKeyListener(this);
	fontFamily.addKeyListener(this);
    }

    public void keyPressed(KeyEvent e){}
    public void keyReleased(KeyEvent e){}
    public void keyTyped(KeyEvent e)
    {
	if(e.getKeyChar()==KeyEvent.VK_ENTER)
	    {
		isOK=true;
		hide();		
	    }
    }
    public void defaultFont(Font font)
    {
	String fontName=font.getName();
	int i=0;
	int nItems=fontFamily.getItemCount();
	while(!fontFamily.getItemAt(i).equals(fontName) && ++i<nItems);
	if(i<nItems)
	    {
		fontFamily.setSelectedIndex(i);
	    }

	int size=font.getSize();
	fontSize.setText(""+size);

	Font boldFont=new Font(fontName,Font.BOLD,16);
	bold.setFont(boldFont);

	Font italicFont=new Font(fontName,Font.ITALIC,16);
	italic.setFont(italicFont);

	if(font.isItalic())
	    italic.setSelected(true);
	if(font.isBold())
	    bold.setSelected(true);
	pack();
    }
}


class ComboBoxRenderer extends JLabel
    implements ListCellRenderer 
{
    public ComboBoxRenderer() 
    {
	setOpaque(true);
	setHorizontalAlignment(CENTER);
	setVerticalAlignment(CENTER);
    }

    public Component getListCellRendererComponent(
						  JList list,
						  Object value,
						  int index,
						  boolean isSelected,
						  boolean cellHasFocus) 
    {
	String item=(String)value;

        if (isSelected) 
	    {
		setBackground(list.getSelectionBackground());
		setForeground(list.getSelectionForeground());
	    } 
	else 
	    {
		setBackground(list.getBackground());
		setForeground(list.getForeground());
	    }

	setText(item);
	Font font=new Font(item,Font.PLAIN,24);	
	setFont(font);	

        return this;
    }
}