/*
 * Well, I better reuse this thing pretty often.
 */
class ScrollPanel {
  HScrollbar[] scrolls;
  Hashtable byName;
  int index;
  int y;
  int loose;
  int barHeight;
  

  ScrollPanel(int len, int yIn)
  {
    this(len,yIn,16); 
  }
  ScrollPanel(int len, int yIn, int looseness){
   scrolls = new HScrollbar[len]; 
   byName = new Hashtable();
   index = 0;
   y = yIn;
   loose = looseness;
   barHeight = 10;
  }
  
  ScrollPanel(int len){
   this(len,20); 
  }
  

  HScrollbar addBBar(String name, int maxim){
     BHScrollbar item = new BHScrollbar(name, 0,y + (index * 2 * barHeight),width,barHeight,loose,maxim);
     push(item);
     return item;
  }
  HScrollbar addIBar(String name, int maxim){
     IHScrollbar item = new IHScrollbar(name, 0,y + (index * 2 * barHeight),width,barHeight,loose,maxim);
     push(item);
     return item;
  }
  HScrollbar addBar(String name, int maxim)
  {
    return addBar(name, 0, y + (index * 2 *barHeight), width, barHeight, loose, maxim); 
  }
  
  HScrollbar addBar(String name, int xp, int yp, int sw, int sh, int l, int maxim ){
   
   HScrollbar item =  new HScrollbar (name, xp,yp,sw,sh,l, maxim);
   push(item);   
   return item;
  }
  
  void push(HScrollbar item){
    if (full()) sResize();
    scrolls[index] = item;
    index++;
    byName.put(item.title, item);
  }
  
  private boolean full(){
    return index == scrolls.length; 
  }
  
  private void sResize(){
    HScrollbar[] newscrolls = new HScrollbar[scrolls.length * 2];
    for(int i=0; i < scrolls.length; i++){
     newscrolls[i] = scrolls[i];
    } 
    scrolls = newscrolls;
  }
  
  float getVal(String name){
    HScrollbar item = (HScrollbar) byName.get(name);
    return item.getVal();
  }
  float getPos(String name){
    HScrollbar item = (HScrollbar) byName.get(name);
    return item.getPos();
  }
  
  boolean overScrolls(){
    
    for(int i = 0; i < index; i++){
      if(scrolls[i].over()){return true;}
    }
    return false;
  }
  
  void displayScrolls(){
    //if(overScrolls()){
      for(int i = 0; i < index; i++){
        scrolls[i].display();
      }
      //return true;
    //}
    //return false;
  }
  
  void updateScrolls(){
    for(int i = 0; i < index; i++){
     scrolls[i].update();
     //palette[i][0] = scrolls[i].spos/width;
    } 
  }

}