Fluct grid arrange items

arritems.as

private function arrangeItems():void {
	var itemSelected:FluctGridItem = _dictionary[_currentItem];
	var cellToBeDraggedOn:Point = getCellCoord(_currentItem.x, _currentItem.y);

	var intialCol:int = itemSelected.col;
	var intialRow:int = itemSelected.row;

	var colToBeDraggedOn:int = cellToBeDraggedOn.x;
	var rowToBeDraggedOn:int = cellToBeDraggedOn.y;

	if (colToBeDraggedOn == itemSelected.col && rowToBeDraggedOn == itemSelected.row) {
		return;
	}

	var hMove:int = colToBeDraggedOn - itemSelected.col;
	var vMove:int = rowToBeDraggedOn - itemSelected.row;

	var i:int;
	var itemTemp:FluctGridItem;
	var move:Array = [];

	if (!isCellOcuppied(rowToBeDraggedOn, colToBeDraggedOn)) {

		itemTemp = _index[rowToBeDraggedOn][colToBeDraggedOn];

		itemSelected.row = rowToBeDraggedOn;
		itemSelected.col = colToBeDraggedOn;
		snapToGrid(itemSelected);
		_index[rowToBeDraggedOn][colToBeDraggedOn] = itemSelected;

		insertBlankItemAt(intialRow, intialCol);

		return;
	}

	if (hMove < 0) {
		for (i = itemSelected.col - 1; i >= itemSelected.col + hMove; i--) {
			if (_index[itemSelected.row][i]) {
				itemTemp = _index[itemSelected.row][i];
				itemTemp.col++;

				_index[itemTemp.row][itemTemp.col] = itemTemp;
				move.push(itemTemp);
			}
		}
	} else {
		for (i = itemSelected.col + 1; i <= itemSelected.col + hMove; i++) {
			if (_index[itemSelected.row][i]) {
				itemTemp = _index[itemSelected.row][i];
				itemTemp.col--;

				_index[itemTemp.row][itemTemp.col] = itemTemp;
				move.push(itemTemp);
			}
		}
	}

	if (vMove < 0) {
		for (i = itemSelected.row - 1; i >= itemSelected.row + vMove; i--) {
			if (_index[i][itemSelected.col + hMove]) {
				itemTemp = _index[i][itemSelected.col + hMove];
				itemTemp.row++;

				_index[itemTemp.row][itemTemp.col] = itemTemp;
				move.push(itemTemp);
			}
		}
	} else {
		for (i = itemSelected.row + 1; i <= itemSelected.row + vMove; i++) {
			if (_index[i][itemSelected.col + hMove]) {
				itemTemp = _index[i][itemSelected.col + hMove];
				itemTemp.row--;

				_index[itemTemp.row][itemTemp.col] = itemTemp;
				move.push(itemTemp);
			}
		}
	}

	for (i = 0; i < move.length; i++) {
		snapToGrid(move[i]);
	}

	itemSelected.row = rowToBeDraggedOn;
	itemSelected.col = colToBeDraggedOn;

	_index[rowToBeDraggedOn][colToBeDraggedOn] = itemSelected;
}