import com.oop.SelectionSystem;

class com.oop.GridSelectionSystem extends SelectionSystem
{
	private var itemsPerRow:Number		=	3;
	private var currentRow:Number		=	0;
	private var currentColumn:Number	=	0;

	//space between rows and columns
	private var horizSpace:Number		=	-6;	//60;
	private var vertSpace:Number		=	0; 	//50;
	
	public function GridSelectionSystem()	{}	
	
	private function attachButtonItems():Void	{	
		//get placement object according to counts
		for (var i:Number = 0; i < systemData.length; i++) {
			updateGrid(i);
			var item:MovieClip = this.attachMovie(exportName, "Item_" + i, i );
			item.init(this, i, systemData[i], getItemPositionObj());
			listItems.push(item);
		}	
	}



	private function updateGrid(_index:Number) {		
		if(!(_index % itemsPerRow)) {	currentColumn = 0; currentRow++;	}
		else 						{ 	currentColumn++;	}
	}


	private function getItemPositionObj():Object 	{
		var obj:Object = new Object();
		obj.horizSpace = horizSpace;
		obj.vertSpace = vertSpace;
		obj.grid_x = currentColumn;
		obj.grid_y = currentRow;
		return obj;
	}

	
	
	private function selectedData():MovieClip {
		return systemData[  getCurrentSelection() ];
	}
	

}