import java.awt.*;

public class Controls extends java.awt.Panel{

// builds up user interface panel

private Button iterate_button;
private TextField ClusterSize;
private Label label;
private DLA app;

Controls(DLA ref){
iterate_button = new Button("Start Growing");
ClusterSize = new TextField("1",4);
label = new Label("Cluster Size = ");
setBackground(Color.yellow);
add(iterate_button);
add(label);
add(ClusterSize);
app=ref;
}

// handle changes

public void setClusterSize(int s){
ClusterSize.setText(String.valueOf(s));
}

public boolean action(Event evt, Object arg){
int i;
double d;

if(evt.target instanceof Button){
app.runner.resume();
return true;
}

return false;
}

}