public int getSheetRevealCenterY(View fab) {
		if (revealYDirection == RevealYDirection.UP) {
			return (int) (sheet.getY()
					+ (sheet.getHeight() * (SHEET_REVEAL_OFFSET_Y - 1) / SHEET_REVEAL_OFFSET_Y)
					- (fab.getHeight() / 2));
		}
		return (int) (sheet.getY() + (sheet.getHeight() / SHEET_REVEAL_OFFSET_Y)
				+ (fab.getHeight() / 2));
	}
public int getSheetRevealCenterY ( View fab ) { if ( revealYDirection == RevealYDirection . UP ) { return ( int ) ( sheet . getY ( ) + ( sheet . getHeight ( ) * ( SHEET_REVEAL_OFFSET_Y - 1 ) / SHEET_REVEAL_OFFSET_Y ) - ( fab . getHeight ( ) / 2 ) ) ; } return ( int ) ( sheet . getY ( ) + ( sheet . getHeight ( ) / SHEET_REVEAL_OFFSET_Y ) + ( fab . getHeight ( ) / 2 ) ) ; }
@return Sheet reveal's center Y coordinate