import main.PhotoModelFileSystem
import main.PhotoViewIcons

class main.PhotoControllerIcons extends mvc.AbstractController{
	private var t:MovieClip
	private var model:PhotoModelFileSystem
	private var view:PhotoViewIcons
	
	/*
	* Constructor
	* @param model is the model this controller is servicing
	* @param timeline is a reference to the timeline this controller is
	*/
	function PhotoControllerIcons(model, timeline:MovieClip){
		t = timeline //reference to the timeline
		super.setModel(model) //sets the model
	}
	  /**
	   * Sets the view that this controller is servicing
	   *
	   */
	 public function setView (v:PhotoViewIcons):Void {			 
		view = v;
	  }
	/**
   * Returns this controller's view.
   */
  public function getView () :PhotoViewIcons {
    return view;
  }
  	/**
   * Returns this controller's model.
   */
  public function getModel ()  :PhotoModelFileSystem  { 
    return model
  }
	//based on view, goto next photo or to next page of icons	  
	public function forward (){
		 if(view["getState"]()=="single") model.next();
		 else icons("next")
	}
	//based on view, goto previous photo or to previous page of icons	  
	public function backward (){
		 if(view["getState"]()=="single") model.previous();
		 else icons("previous")
	}
	/*
	* create icons
	* @param pos could be current, next or previous
	*/
	public function icons (pos:String){
	 changeView("icons")
	  view["clearIcons"](pos) 
	}
	/*
	* change state of view
	* @param state could be single or icons
	*/
	public function changeView(state:String):Void{			
			view["setState"](state)
	}
	/*
	* load a new photo
	* @param nr is the position of the photo to be loaded
	*/
	public function loadPhoto(nr:Number):Void{			
			model.loadPhoto(nr)
	}
}