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From: Hugo Heagren <hugo@heagren.com>
To: emacs-orgmode@gnu.org
Cc: Hugo Heagren <hugo@heagren.com>
Subject: [PATCH v2] ol.el: add description format parameter to org-link-parameters
Date: Tue,  5 Apr 2022 20:29:31 +0100	[thread overview]
Message-ID: <20220405192931.6747-1-hugo@heagren.com> (raw)
In-Reply-To: <87zgl1npow.fsf@localhost>

* ol.el (org-link-parameters): add parameter `:default-description', a
string or a function.
* (org-insert-link): if no description is provided (pre-existing or as
an argument), next option is to use the `:default-description' (if
non-nil) parameter to generate one.

Default descriptions are predictable within a link type, but because
link types are quite diverse, are NOT predictable across many types. A
type-parameter is thus a good place to store information on the
default description.
---

I've added the condition-case back to the check on
`org-link-make-description', and added a new one to the check for the
`:default-description' parameter, as Ihor suggested. I've also
modified the handling of that parameter, to reflect
`org-link-make-description', and updated the docstring accordingly.

Apologies if the subject formatting is not correct, I'm still getting
the hang of git-send-email.

Hugo

 lisp/ol.el | 43 ++++++++++++++++++++++++++++++++++++-------
 1 file changed, 36 insertions(+), 7 deletions(-)

diff --git a/lisp/ol.el b/lisp/ol.el
index 1b2bb9a9a..e74ef8dda 100644
--- a/lisp/ol.el
+++ b/lisp/ol.el
@@ -140,6 +140,15 @@ link.
   Function that inserts a link with completion.  The function
   takes one optional prefix argument.
 
+`:default-description'
+
+  String or function used as a default when prompting users for a
+  link's description. A string is used as-is, a function is
+  called with two arguments: the full link text, and the
+  description generated by `org-insert-linke'. It should return
+  the description to use (this reflects the behaviour of
+  `org-link-make-description-function').
+
 `:display'
 
   Value for `invisible' text property on the hidden parts of the
@@ -1761,11 +1770,14 @@ prefix negates `org-link-keep-stored-after-insertion'.
 If the LINK-LOCATION parameter is non-nil, this value will be used as
 the link location instead of reading one interactively.
 
-If the DESCRIPTION parameter is non-nil, this value will be used as the
-default description.  Otherwise, if `org-link-make-description-function'
-is non-nil, this function will be called with the link target, and the
-result will be the default link description.  When called non-interactively,
-don't allow to edit the default description."
+If the DESCRIPTION parameter is non-nil, this value will be used
+as the default description.  If not, and the chosen link type has
+a non-nil `:default-description' parameter, that is used to
+generate a description as described in `org-link-parameters'
+docstring. Otherwise, if `org-link-make-description-function' is
+non-nil, this function will be called with the link target, and
+the result will be the default link description.  When called
+non-interactively, don't allow to edit the default description."
   (interactive "P")
   (let* ((wcf (current-window-configuration))
 	 (origbuf (current-buffer))
@@ -1775,7 +1787,7 @@ don't allow to edit the default description."
 	 (desc region)
 	 (link link-location)
 	 (abbrevs org-link-abbrev-alist-local)
-	 entry all-prefixes auto-desc)
+	 entry all-prefixes auto-desc type)
     (cond
      (link-location)		      ; specified by arg, just use it.
      ((org-in-regexp org-link-bracket-re 1)
@@ -1842,6 +1854,7 @@ Use TAB to complete link prefixes, then RET for type-specific completion support
 		      (and (equal ":" (substring link -1))
 			   (member (substring link 0 -1) all-prefixes)
 			   (setq link (substring link 0 -1))))
+              (setq type link)
 	      (setq link (with-current-buffer origbuf
 			   (org-link--try-special-completion link)))))
 	(set-window-configuration wcf)
@@ -1918,7 +1931,23 @@ Use TAB to complete link prefixes, then RET for type-specific completion support
       (let ((initial-input
 	     (cond
 	      (description)
-	      ((not org-link-make-description-function) desc)
+              (desc)
+              ((org-link-get-parameter
+                type
+                :default-description)
+               (condition-case nil
+                   (let ((def (org-link-get-parameter
+                               type
+                               :default-description)))
+                     (cond
+                      ((stringp def) def)
+                      ((functionp def)
+                       (funcall def link desc))))
+                 (error
+                  (message "Can't get link description from %S"
+			   (symbol-name def))
+		  (sit-for 2)
+                  nil)))
 	      (t (condition-case nil
 		     (funcall org-link-make-description-function link desc)
 		   (error
-- 
2.20.1



  reply	other threads:[~2022-04-05 19:27 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-28 23:15 Hugo Heagren
2022-03-28 23:15 ` [PATCH] " Hugo Heagren
2022-04-04  9:49   ` Ihor Radchenko
2022-04-05 19:29     ` Hugo Heagren [this message]
2022-04-07  5:13       ` [PATCH v2] " Ihor Radchenko
2022-06-21 12:03         ` [PATCH v3] " Hugo Heagren
2022-06-21 13:41           ` Robert Pluim
2022-07-07 19:57             ` [PATCH v4] " Hugo Heagren
2022-07-09  3:31               ` Ihor Radchenko
2022-07-14 13:08                 ` [PATCH v5] " Hugo Heagren
2022-07-16  9:09                   ` Ihor Radchenko
2022-07-16 21:20                     ` Hugo Heagren
2022-07-17  6:11                       ` Max Nikulin
2022-07-17 10:27                         ` Ihor Radchenko
2022-07-17 10:18                       ` Ihor Radchenko
2022-07-17 20:59                         ` [PATCH v6] " Hugo Heagren
2022-07-18 10:55                           ` Max Nikulin
2022-07-23  7:48                             ` [PATCH v7] " Hugo Heagren
2022-07-23  7:59                               ` Max Nikulin
2022-07-23 13:06                                 ` Ihor Radchenko
2022-07-23 15:46                                   ` Max Nikulin
2022-07-24 10:34                                   ` Max Nikulin
2022-07-24 13:15                                     ` Ihor Radchenko
2022-07-25 11:55                                       ` [PATCH v8] " Hugo Heagren
2022-07-29 12:54                                         ` Max Nikulin
2022-07-29 19:05                                           ` [PATCH v9] " Hugo Heagren
2022-07-30  6:29                                             ` Ihor Radchenko
     [not found]                                               ` <87tu6zf2o1.fsf@heagren.com>
2022-07-30  8:02                                                 ` Ihor Radchenko
2022-07-30 12:34                                                   ` [PATCH] ol-info: Enable :insert-description feature Max Nikulin
2022-08-06  7:00                                                     ` Ihor Radchenko
2022-08-14 16:41                                                       ` [PATCH v2] ol-info: Define :insert-description function Max Nikulin
2022-08-19  4:28                                                         ` Ihor Radchenko
2022-08-19 12:26                                                           ` Max Nikulin
2022-08-20  7:29                                                             ` Ihor Radchenko
2022-08-21 14:49                                                               ` Max Nikulin
2022-08-22  4:10                                                                 ` Ihor Radchenko
2022-08-24 14:37                                                                   ` [PATCH v3] " Max Nikulin
2022-08-26 13:15                                                                     ` Ihor Radchenko
2022-09-04 15:05                                                       ` [PATCH] ol-info: Enable :insert-description feature Max Nikulin
2022-09-05  6:36                                                         ` Ihor Radchenko
2022-08-06  6:06                                             ` [PATCH v9] ol.el: add description format parameter to org-link-parameters Ihor Radchenko
2022-07-29  1:47                               ` [PATCH v7] " Ihor Radchenko
2022-07-29  7:05                                 ` Bastien Guerry
2022-07-10 10:26               ` [PATCH v4] " Max Nikulin
2022-06-21 15:01           ` [PATCH v3] " Max Nikulin

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