Re: Handling custom link types for html export in v 9.0 - Replacement for deprecated `org-add-link-type`?

[John Kitchin <jkitchin@andrew.cmu.edu>]

No problem. I usually use lambda functions there, but if you use
functions like you have the quoted form is right. Glad it was helpful!

Milan Zimmermann writes:

> Great, thanks very much John.
>
> As a minor note I had to make a slight change
>
> (org-link-set-parameters
>   "img"
>   :follow 'org-custom-link-img-follow     ; my old code
>   :export 'org-custom-link-img-export)  ; my old code
>
> And then it works equivalent with the previous version in 8.
>
> Thanks
> Milan
>
> PS
>
> (There is another note which is for a new thread: both in 8 and 9,
> while they export what I need, actually do not display the image in
> org buffer. The reason seem to be the  org-display-inline-images is
> only looking for the "file" link but I need to debug that first)
>
>
> On Tue, Apr 18, 2017 at 9:00 AM, John Kitchin <jkitchin@andrew.cmu.edu> wrote:
>> You can find a many examples of the new link syntax here:
>> http://kitchingroup.cheme.cmu.edu/blog/2016/11/04/New-link-features-in-org-9/
>>
>> You will probably be able to reuse much of your old code  and this:
>>
>> (org-link-set-parameters
>>    "img"
>>    :follow (your-old-follow-code)
>>    :export (your-old-export-code))
>>
>> Milan Zimmermann writes:
>>
>>> Hi:
>>>
>>> I have a question about how to define custom link type, which before
>>> 9.0 used the (9.0) deprecated  `org-add-link-type`.
>>>
>>> 1. Let me first provide the context:
>>>
>>> There is often a need to generate, for org links export/publish to
>>> Html, elements where img src URL starts with a slash, like this
>>>
>>> <img src="/images/a.jpg" >
>>>
>>> The only way that was possible before v9, for this to be exported from
>>> a link such as
>>>
>>> [[/images/a.jgp]]
>>>
>>> was to use a method described in
>>>
>>> http://stackoverflow.com/questions/14684263/how-to-org-mode-image-absolute-path-of-export-html
>>>
>>> - Basically, the solution described there is
>>>
>>> a) define a custom link type such as "img"
>>> b) in org,  use [[img:images/a.jpg]]
>>> c) define two functions handling the img link in org and on
>>> export/publish, and call (org-add-link-type "img"
>>> 'org-custom-link-img-follow 'org-custom-link-img-export)
>>>
>>> 2. The problem and question
>>>
>>> In org 9.0, we get `org-add-link-type ... This function is obsolete
>>> since Org 9.0 use `org-link-set-parameters' instead.
>>>
>>> My problem is I have no idea how to, in a practical sense, use
>>> `org-link-set-parameters` to define a custom link type "img" and
>>> handle it's image handling in both org buffer and Html publish.
>>>
>>> My question is, are there any links and examples how one would do the
>>> above in 9.0?
>>>
>>> Thanks
>>> Milan
>>
>>
>> --
>> Professor John Kitchin
>> Doherty Hall A207F
>> Department of Chemical Engineering
>> Carnegie Mellon University
>> Pittsburgh, PA 15213
>> 412-268-7803
>> @johnkitchin
>> http://kitchingroup.cheme.cmu.edu


--
Professor John Kitchin
Doherty Hall A207F
Department of Chemical Engineering
Carnegie Mellon University
Pittsburgh, PA 15213
412-268-7803
@johnkitchin
http://kitchingroup.cheme.cmu.edu