package com.kingnare.controls
{
	import flash.display.Sprite;

	public class MyMatrix extends Sprite
	{
		
		private var list:Array;
		private var maxWidth:uint;
		private var maxHeight:uint;
		private var _columnNum:uint;
		private var _hDis:uint;
		private var _vDis:uint;
		
		public function MyMatrix()
		{
			super();
			_hDis = 1;
			_vDis = 1;
			_columnNum = 50;
			maxWidth = 1;
			maxHeight = 1;
		}
		
		private function create(num:uint):void
		{
			if(num < 0) return;
			list = [];
			for(var i:uint = 0;i<num;i++)
			{
				var cell:Cell = new Cell();
				list.push(cell);
			}
			updateLayout();
		}
		
		private function updateLayout():void
		{
			var wNum:uint = 0;
			var hNum:uint = 0;
			var beginX:int = 0;
			var beginY:int = 0;
			var len:int = list.length;
			for(var i:uint = 0;i<len;i++)
			{
				var cell:Cell = list[i] as Cell;
				if(cell)
				{
					cell.x = beginX+wNum*(cell.width+_hDis);
					cell.y = beginY+hNum*(cell.height+_vDis);
					if(wNum >= _columnNum-1)
					{
						wNum = 0;
						hNum++;
					}
					else
					{
						wNum++;
					}
				}
			}
			maxWidth = _columnNum*(list[0].width + _hDis);
			maxHeight = (hNum+1)*(list[0].height + _vDis);
			drawMatrix();
		}
		
		private function drawMatrix():void
		{
			var i:uint = 0;
			while (list && i < list.length)
			{
				var cell:Cell = list[i] as Cell;
				if(!this.contains(cell))
				{
					addChild(cell);
				}
				i++;
			}
		}
		
		public function clear():void
		{
			while(this.numChildren>0)
			{
				this.removeChildAt(0);
			}
			while(list && list.length>0)
			{
				var cell:Cell = list.pop() as Cell;
				cell = null;
			}
		}
		
		public function set count(value:uint):void
		{
			if(!isNaN(value))
			{
				clear();
				if(value > 0)
				{
					create(value);
				}
			}
		}
		
		public function get count():uint
		{
			return list.length;
		}
		
		public function set columnNum(value:uint):void
		{
			_columnNum = value;
			updateLayout();
		}
		
		public function get columnNum():uint
		{
			return _columnNum;
		}
		
		public function set hDis(value:uint):void
		{
			_hDis = value;
			updateLayout();
		}
		
		public function get hDis():uint
		{
			return _hDis;
		}
		
		public function set vDis(value:uint):void
		{
			_vDis = value;
			updateLayout();
		}
		
		public function get vDis():uint
		{
			return _vDis;
		}
		
	}
}