//FontFrame.java
//The Font chooser as a frame
//manipulates a component remotely
//set up with gridbaglayout
//Andy Harris, 05/00

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

public class FontFrame extends Frame{

  GridBagLayout gbl = new GridBagLayout();
  GridBagConstraints c = new GridBagConstraints();
  Label lblOutput = new Label("Sample text");
  EventHandler evt = new EventHandler(this);
  private Component theComponent;
  


  //size stuff
  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
  Choice chcFont = new Choice();
  Checkbox chkBold = new Checkbox("bold");
  Checkbox chkItalic = new Checkbox("italic");
  Button btnClose = new Button("Close Window");

  
  public FontFrame(Component component){
    super("Font Chooser");
    
    //copy over the reference
    theComponent = component;

    //main layout
    setLayout(gbl);
    //      comp       X  Y ht wd  x%  y%      fill
    addComp(lblOutput, 0, 0, 4, 3, 100,50, GridBagConstraints.BOTH);
    addComp(cb10,      0, 4, 1, 1, 33, 6, GridBagConstraints.NONE);
    addComp(cb20,      0, 5, 1, 1, 33, 6, GridBagConstraints.NONE);
    addComp(cb30,      0, 6, 1, 1, 33, 6, GridBagConstraints.NONE);
    addComp(cb40,      0, 7, 1, 1, 33, 6, GridBagConstraints.NONE);
    addComp(lstColor,  1, 4, 4, 1, 33, 50, GridBagConstraints.BOTH);
    addComp(chcFont,   2, 4, 1, 1, 33, 6, GridBagConstraints.NONE);
    addComp(chkBold,   2, 5, 1, 1, 33, 6, GridBagConstraints.NONE);
    addComp(chkItalic, 2, 6, 1, 1, 33, 6, GridBagConstraints.NONE);
    addComp(btnClose,  2, 7, 1, 1, 33, 6, GridBagConstraints.NONE);

    //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");

    lblOutput.setAlignment(Label.CENTER);
    
    //add all the listeners
    cb10.addItemListener(evt);
    cb20.addItemListener(evt);
    cb30.addItemListener(evt);
    cb40.addItemListener(evt);

    lstColor.addItemListener(evt);
    chcFont.addItemListener(evt);

    chkBold.addItemListener(evt);
    chkItalic.addItemListener(evt);
    
    btnClose.addActionListener(evt);
    this.addWindowListener(evt);
    pack();
  } // end constructor

  public void addComp (Component comp,
	   int x, int y,
	   int ht, int wd,
	   int xPerc, int yPerc,
	   int fill){
    c.gridx = x;
    c.gridy = y;
    c.gridheight = ht;
    c.gridwidth = wd;
    c.weightx = xPerc;
    c.weighty = yPerc;
    c.fill = fill;

    gbl.setConstraints(comp, c);
    add(comp);
  } // end addComp


  private class EventHandler extends WindowAdapter
                            implements ItemListener, ActionListener{
    Frame theFrame;
			      
    public EventHandler(Frame f){
      super();
      theFrame = f;
    } // end constructor

    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);
      lblOutput.setFont(newFont);
      theComponent.setFont(newFont);
      theComponent.setForeground(lblOutput.getForeground());
          
    } // end itemStateChanged
  
    public void actionPerformed(ActionEvent e){
      //closing window is only event.
      theFrame.setVisible(false);
      theFrame.dispose();
    } // end actionPerformed

    public void windowClosing(WindowEvent e){
      theFrame.setVisible(false);
      theFrame.dispose();
    } // end windowClosing      
			     
  } // end EventHandler


} // end class def