gistfile1.txt

@Override
    public boolean onBlockActivated(World world, BlockPos pos, IBlockState state, EntityPlayer player, EnumHand hand, @Nullable ItemStack heldItem, EnumFacing side, float hitX, float hitY, float hitZ) {
        //Check if the metadata value is 0 -- we don't want the user to replace Ancient Fabric
        if (heldItem != null && state.getValue(TYPE) != 1) {
            Block block = Block.getBlockFromItem(heldItem.getItem());
            if (!state.isNormalCube() || block instanceof BlockContainer || block == this || player.isSneaking()) {
                return false;
            }
            if (!world.isRemote) {
                if (!player.capabilities.isCreativeMode) {
                    heldItem.stackSize--;
                }
                world.setBlockState(pos, block.getStateForPlacement(world, pos, side, hitX, hitY, hitZ, 0, player)); //these parameters actually might not really be the right ones
            }
            return true;
        }
        return false;
    }