Re: FW: [RFC] Link-type for attachments, more attach options

[Ihor Radchenko <yantar92@gmail.com>]

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Hi Gustav,

> I'm not sure I follow your suggestion regarding changing the
> implementation. But anyhow I don't think the implementation is heavy
> and at risk of cumbersome code duplication. My opinion ofc 😊 

Sure. The code is not that complicated.

> I like the idea of a function that would symbolically links folders
> from "ID"-folder structure to a hierarchy-folder structure, based on
> the name and path of the org-file  and its headings containing the
> links. I probably wouldn't use it much myself though. Not until
> org-mode starts working better with multiple files, allowing us to
> more easily define "org-mode libraries". 

I am wondering what you mean by "org-mode libraries". Can you explain
further? 

Also, another thought about the attachment: links.
It would be useful to implement links to attachments, which are not in
the current org entry.
For example, something like "attachment:ORG-ID:file-name", where ORG-ID
refers to ID of an arbitrary org entry.

Best,
Ihor


Gustav Wikström <gustav@whil.se> writes:

> Hi Ihor,
>
> I'm not sure I follow your suggestion regarding changing the implementation. But anyhow I don't think the implementation is heavy and at risk of cumbersome code duplication. My opinion ofc 😊
>
> I like the idea of a function that would symbolically links folders from "ID"-folder structure to a hierarchy-folder structure, based on the name and path of the org-file  and its headings containing the links. I probably wouldn't use it much myself though. Not until org-mode starts working better with multiple files, allowing us to more easily define "org-mode libraries".
>
> /G 
>
>> -----Original Message-----
>> From: Ihor Radchenko <yantar92@gmail.com>
>> Sent: den 3 november 2018 04:38
>> To: Gustav Wikström <gustav@whil.se>; Marco Wahl <marcowahlsoft@gmail.com>
>> Cc: emacs-orgmode <emacs-orgmode@gnu.org>
>> Subject: Re: [O] FW: [RFC] Link-type for attachments, more attach options
>> 
>> Hi Gustav,
>> 
>> Thanks for the patch!
>> I am a heavy user of org attachments, so it is pleasant that someone
>> spent a time to implement this useful feature into org.
>> 
>> A comment regarding the code.
>> Your new link types appears to reimplement some of the code for the
>> "file:" links.
>> Would it make more sense to implement the "attachment:" link type as
>> abbreviation?
>> I mean something like the code below:
>> 
>> ````
>> (defun yant/process-att-abbrev (arg)
>>   "Return `org-attach-dir' for the current entry."
>>   (s-concat (org-attach-dir 'CREATE) arg))
>> 
>> (add-to-list 'org-link-abbrev-alist (cons "att" "file:%(yant/process-att-abbrev)"))
>> 
>> (defun org-att-link-complete (&optional arg)
>>   "Completion function for att: link."
>>   (let* ((ref-dir (org-attach-dir 'CREATE))
>> 	 (filelink (let ((default-directory ref-dir))
>> 		     (org-file-complete-link)))
>> 	 (filepath (apply #'s-concat (cdr (s-split ":" filelink)))))
>>     (format "att:%s" filepath)))
>> 
>> (org-link-set-parameters "att"
>> 			 :complete #'org-att-link-complete)
>> ````
>> 
>> Also, is anyone interested in automatic placing of org attachments into
>> a folder structure, which mirrors the org path?
>> Something like in the following Stack Exchange question:
>> https://emacs.stackexchange.com/questions/26412/human-readable-directory-tree-with-org-
>> attach
>> 
>> Best,
>> Ihor
>> 
>> Gustav Wikström <gustav@whil.se> writes:
>> 
>> > Hi Marco,
>> >
>> > Nice to hear you like it! Yeah, I'm pretty happy with that functionality as well. Use it
>> all the time to quickly add links to attached files.
>> >
>> > One use case I have for this (as an example) is for projects and tasks. I have a
>> 'tasks.org' file with nodes for each of my tasks and each of my projects. Usually, if the
>> task is about some digital work, there are files involved with it. So I have a convention
>> to add folders next to the 'tasks.org' file with names like 'YYMM [task/project title]',
>> and attach the folder to each task/project node. C-c C-l attached RET then makes it super-
>> easy to refer to particular files within that folder, from within the node in the
>> 'tasks.org' file!
>> >
>> > Another use case is for my 'digital brain', where it's also fairly common for me to have
>> attachment folders where I want to refer to files within them. Images for example, that
>> then will be displayed in the org-mode file. Haven't settled on whether I should use auto-
>> managed ID's for these folders, or :ATTACH_DIR: properties though. Currently using a bit
>> of both...
>> >
>> > I'm not familiar with the 'next' branch and the plans for integrating it into 'master'.
>> But if 'master' is to offensive to merge into straight away, 'next' sounds like a good
>> option!
>> >
>> > Kind regards
>> > Gustav
>> >
>> > -----Original Message-----
>> > From: Marco Wahl <marcowahlsoft@gmail.com>
>> > Sent: den 1 november 2018 17:01
>> > To: Gustav Wikström <gustav@whil.se>
>> > Subject: Re: FW: [RFC] Link-type for attachments, more attach options
>> >
>> > The following message is a courtesy copy of an article that has been posted to
>> gmane.emacs.orgmode as well.
>> >
>> > Hi Gustav,
>> >
>> > I played a bit with your proposition.  I like it; in particular the completion function
>> to insert links from the attachment directory with
>> >
>> >     C-c C-l attached RET
>> >
>> > It seems natural to me to have a more specific link type for attached files.
>> >
>> > In my opinion your patch should be applied to the 'next' branch.
>> >
>> >
>> > My 2ct,
>> >         Marco
>> >


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