import java.awt.*;
import java.applet.Applet;
class Valik extends Panel{
double min=-100, alg=1, max=100;
TextField tf=new TextField(5);
double vaartus=1, vahe=0.1;
boolean fookuses=false;
Button nv=new Button("<"), np=new Button(">");
String ise="";
Applet ap;
public Valik(Applet at, String st){
 ap=at;
 ise=st;
 setLayout(new BorderLayout());
 add("West", nv);
 add("Center", tf);
 add("East", np);
 vaartus=alg;
 tf.setText(Double.toString(vaartus));
}
public Valik(Applet at, String st, double mv, double av, double sv, double vv){
 min=mv; alg=av; max=sv; vahe=vv;
 ap=at;
 ise=st;
 setLayout(new BorderLayout());
 add("West", nv);
 add("Center", tf);
 add("East", np);
 vaartus=alg;
 tf.setText(Double.toString(vaartus));

}

public boolean action(Event e, Object arg){
 double abi=0;
 abi=Double.valueOf(tf.getText()).doubleValue();
 if(!Double.isNaN(abi)&(abi>=min)&(abi<=max))vaartus=abi;
 String s="";

 if(e.target==nv){abi=vaartus-vahe;if(abi>=min)vaartus-=vahe;}
 if(e.target==np){abi=vaartus+vahe;if(abi<=max)vaartus+=vahe;}
 if(e.target==tf){abi=Double.valueOf(tf.getText()).doubleValue();
                 if(!Double.isNaN(abi)&(abi>=min)&(abi<=max))vaartus=abi;}
 s=Double.toString(vaartus);
// System.out.println(s.length()+" "+s.indexOf("."));
 if(s.indexOf(".")>0)
   if(s.length()>(s.indexOf(".")+3))s=s.substring(0, s.indexOf(".")+3);
 if(Math.abs(vaartus)<0.005) tf.setText("0.0");
 else tf.setText(s);
 ap.action(new Event(this, Event.ACTION_EVENT, new Double(vaartus)),
           new Double(abi));
 return true;
}
public boolean keyUp(Event e, int key){
double abi=0;
 if(e.target==tf){abi=Double.valueOf(tf.getText()).doubleValue();
                 if(!Double.isNaN(abi)&(abi>=min)&(abi<=max))vaartus=abi;}
// tf.setText(Double.toString(vaartus));
 ap.action(new Event(this, Event.ACTION_EVENT, new Double(vaartus)),
           new Double(abi));
 return true;
 
}
public boolean gotFocus(Event e, Object arg){
 fookuses=true;
 return true;
}

public boolean lostFocus(Event e, Object arg){
 fookuses=false;
 return true;
}
}