// class for setting control via keyboard input & text display

class TextControl {
 
  String label,lkey,blank;
  int range,setting;
  
 TextControl(String lbl,String lk,String bk,int r,int n) {
   label = lbl;
   lkey = lk;
   blank = bk;
   range = r;
   setting = n;
 }
 
 void increment(char ik) {
   
   String inKey = new String(String.valueOf(ik));
   if (inKey.toLowerCase().equals(lkey.toLowerCase())  ) {
     setting++;
     if (setting > range) setting = 0;
   }
 }
 
 String textBar() {

  String result = new String(label);
  result = result.concat("   ");

 for(int i=0;i<setting;i++) {
  result = result.concat(lkey);
  result = result.concat(" ");
 }
 
 for(int i=setting;i<range;i++) {
   result = result.concat(blank);
   result = result.concat(" ");
 }
 
 return result;
 
}

}