//FontChooser.java
//Illustrates Item Components
//Andy Harris, 05/00

import java.awt.*;
import java.applet.*;
import java.awt.event.*;

public class FontChooser extends Applet implements ItemListener{
  //Control panel
  Panel pnlSouth = new Panel();

  Label lblOutput = new Label("Sample text");
  
  //size stuff
  Panel pnlSize = new Panel();
  CheckboxGroup cbgSize = new CheckboxGroup();
  Checkbox cb10 = new Checkbox("10", cbgSize, true);
  Checkbox cb20 = new Checkbox("20", cbgSize, false);
  Checkbox cb30 = new Checkbox("30", cbgSize, false);
  Checkbox cb40 = new Checkbox("40", cbgSize, false);

  //Color stuff
  List lstColor = new List(5);

  //Font stuff
  Panel pnlFontStyle = new Panel();
  Choice chcFont = new Choice();
  Checkbox chkBold = new Checkbox("bold");
  Checkbox chkItalic = new Checkbox("italic");
  
  
  public void init(){
    //main layout
    setLayout(new BorderLayout());
    add(lblOutput, BorderLayout.CENTER);
    add(pnlSouth, BorderLayout.SOUTH);
    lblOutput.setAlignment(Label.CENTER);
    lblOutput.setFont(new Font("SansSerif", Font.PLAIN, 10));
    pnlSouth.setLayout(new GridLayout(1,0));
    pnlSouth.add (pnlSize);
    pnlSouth.add (lstColor);
    pnlSouth.add (pnlFontStyle);
    
    //set up font size control
    pnlSize.setLayout(new GridLayout(0,1));
    pnlSize.add(cb10);
    pnlSize.add(cb20);
    pnlSize.add(cb30);
    pnlSize.add(cb40);

    //set up color list
    lstColor.add("black");
    lstColor.add("blue");
    lstColor.add("cyan");
    lstColor.add("gray");
    lstColor.add("green");
    lstColor.add("magenta");
    lstColor.add("orange");
    lstColor.add("pink");

    //set up font choicebox
    chcFont.add("SansSerif");
    chcFont.add("Serif");
    chcFont.add("Monospaced");

    //set up panel for font and style
    pnlFontStyle.setLayout(new GridLayout(0,1));
    pnlFontStyle.add(chcFont);
    pnlFontStyle.add(chkBold);
    pnlFontStyle.add(chkItalic);
    
    //add all the listeners
    cb10.addItemListener(this);
    cb20.addItemListener(this);
    cb30.addItemListener(this);
    cb40.addItemListener(this);

    lstColor.addItemListener(this);
    chcFont.addItemListener(this);

    chkBold.addItemListener(this);
    chkItalic.addItemListener(this);
  } // end init

  public void itemStateChanged(ItemEvent e){

    //create variables for font
    Font oldFont = lblOutput.getFont();
    Font newFont = lblOutput.getFont();
    String fontName = oldFont.getName();
    int fontStyle = oldFont.getStyle();
    int fontSize = oldFont.getSize();
    
    //System.out.println(e.getItemSelectable());

    if (e.getItemSelectable() == lstColor){
      String theColor = lstColor.getSelectedItem();
      if (theColor.equals("black")){
	lblOutput.setForeground(Color.black);
      } else if (theColor.equals("blue")){
	lblOutput.setForeground(Color.blue);
      } else if (theColor.equals("cyan")){
	lblOutput.setForeground(Color.cyan);
      } else if (theColor.equals("gray")){
	lblOutput.setForeground(Color.gray);
      } else if (theColor.equals("green")){
	lblOutput.setForeground(Color.green);
      } else if (theColor.equals("magenta")){
	lblOutput.setForeground(Color.magenta);
      } else if (theColor.equals("orange")){
	lblOutput.setForeground(Color.orange);
      } else if (theColor.equals("pink")){
	lblOutput.setForeground(Color.pink);
      } // end if

    } else if (e.getItemSelectable() == chcFont){
      //The user wants to change the font face
      fontName = chcFont.getSelectedItem();

    } else if (e.getItemSelectable() == cb10 ||
	       e.getItemSelectable() == cb20 ||
	       e.getItemSelectable() == cb30 ||
	       e.getItemSelectable() == cb40 ){
	       
      //handle size comparison
      String fontString = String.valueOf(e.getItem());
      //convert to int
      fontSize = Integer.parseInt(fontString);

    } else if (e.getItemSelectable() == chkBold ||
	       e.getItemSelectable() == chkItalic){

      fontStyle = Font.PLAIN;
      if (chkBold.getState() == true){
        fontStyle += Font.BOLD;
      } // end 'bold' if

      if (chkItalic.getState() == true){
        fontStyle += Font.ITALIC;
      } // end 'italic' if
    } // end "what item clicked' if

    //apply the new details

    newFont = new Font(fontName, fontStyle, fontSize);
    System.out.println(newFont);
    lblOutput.setFont(newFont);
    
  } // end itemStateChanged

} // end class def