import java.awt.*;
import java.util.*;


public class GameWindow extends Frame {
    private GameClient javaChat;
    private TextField tf;
    private TextArea  ta;
    
    GameWindow(GameClient jc) {
        setTitle("Chat Window");

        javaChat = jc;
        tf = new TextField(60);
        ta = new TextArea(12,80);
        resize(400,300);
        setLayout(new BorderLayout());
        Panel p1 = new Panel();
        p1.setLayout(new BorderLayout());
        p1.add("West",new Label("Message:"));
        p1.add("Center",tf);
        add("North",p1);
        
        Panel p2 = new Panel();
        p2.setLayout(new BorderLayout());
        p2.add("North",new Label("Messages Window"));
        p2.add("Center",ta);
        add("Center",p2);
        
        add("South",new Button("Quit"));
                
        ta.setEditable(false);
        
        pack();
        show();
    }
    
    public void displayMessage(String msg) {
        ta.appendText(Wrap.wrapString(msg, ta.getColumns()-1, true)+"\n");
    }
    
    public boolean handleEvent(Event evt) {
//        System.out.println("**** handleEvent ****");
  //      System.out.println(evt.toString());
    //    System.out.println("*********************");
        return super.handleEvent(evt);
    }
    
    private void sendChatMessage(String message) {
        javaChat.sendMessage("MSG\t"+message);
    }

    public boolean action(Event evt, Object arg) {
        if(evt.target instanceof TextField && ((TextField)evt.target) == tf) {
            if(arg instanceof String) {
                sendChatMessage((String) arg);
                ((TextField)evt.target).setText("");
                return true;
            }
        } else if(evt.target instanceof Button && "Quit".equals(arg.toString())) {
            javaChat.sendMessage("BYE!");
            return true;
        }
        return super.action(evt,arg);
    }    
}


class Wrap {
     public static final String wrapString(String s) {
          return wrapString(s,80,false);
     }
     public static final String wrapString(String s, int col) {
          return wrapString(s,col,false);
     }
     public static final String wrapString(String s, int col, boolean indent) {
         if(s == null) return null;         
         StringTokenizer tok = new StringTokenizer(s);
         int len = 0;
         int wordlen = 0;
         String ret = "";
         while(tok.hasMoreTokens()) {
             String word = tok.nextToken();
             if((len + word.length() + 1) >= col) {
                 len = word.length() + (indent ? 5 : 0);
                 ret += "\n" + (indent ? "     " : "") + word;
             } else {
                 len += word.length() + 1;
                 ret += " " + word;
             }
         }
         return ret;
     }     
}