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

public class GameAdder extends Dialog {
    private GameControl gc;
    private TextField tf;
    private Label status;
    private Button b;
    GameAdder(GameControl g) {
        super(g,"Add Game",true);
        gc = g;
        tf = new TextField(3);
        tf.setText("6");
        tf.selectAll();
        resize(200,100);
        setLayout(new BorderLayout());
        add("North",new Label("Maximum number of players allowed? "));
        Panel p1 = new Panel();
        p1.setLayout(new BorderLayout());
        p1.add("West",new Label("Max Players:"));
        p1.add("East",b = new Button("Ok"));
        p1.add("Center",tf);
        add("Center",p1);
        add("South",status = new Label("Allowable values are from 2 - 6"));
        pack();
        show();
    }
    
    int toInt(String s) { 
        int num;
        try {
            num = (new Integer(s)).intValue();
        } catch (Exception e) {
            num = 0;
        }
        return num;
    }
    
    public boolean action(Event evt, Object arg) {
        if(evt.target instanceof TextField && ((TextField)evt.target) == tf) {
            if(arg instanceof String) {
                int maxplayers = toInt((String) arg);
                if(maxplayers < 2 || maxplayers > 6) {
                    status.setText("Enter a number between 2 and 6!");
                    tf.selectAll();
                    return true;
                }
                status.setText("Thank you!");
                gc.sendMessage("CREATE\t"+maxplayers);
                ((TextField)evt.target).setText("");
                destroy();
                return true;
            }
        } else if(evt.target instanceof Button && ((Button)evt.target) == b){
            postEvent(new Event(tf,Event.ACTION_EVENT,tf.getText()));
            return true;
        }
        return super.action(evt,arg);
    }   
    public void destroy() {
         hide();
         dispose();
    }
}