update packages

lisp/org-contrib/ol-bookmark.el

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+;;; ol-bookmark.el --- Links to bookmarks
+
+;; Copyright (C) 2008-2021 Free Software Foundation, Inc.
+;;
+;; Author: Tokuya Kameshima <kames AT fa2.so-net.ne.jp>
+;; Version: 1.0
+;; Keywords: outlines, hypermedia, calendar, wp
+;;
+;; This file is not part of GNU Emacs.
+;;
+;; Emacs is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 3, or (at your option)
+;; any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs; see the file COPYING.  If not, write to the
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(require 'org)
+(require 'bookmark)
+(require 'ol)
+
+(defgroup org-bookmark nil
+  "Options concerning the bookmark link."
+  :tag "Org Startup"
+  :group 'org-link)
+
+(defcustom org-bookmark-in-dired nil
+  "Use org-bookmark in dired."
+  :group 'org-bookmark
+  :type 'boolean)
+
+(defcustom org-bookmark-when-visiting-a-file nil
+  "Use org-bookmark in any buffer visiting a file."
+  :group 'org-bookmark
+  :type 'boolean)
+
+(defcustom org-bookmark-use-first-bookmark nil
+  "If several bookmarks links to the buffer, take the first one.
+Otherwise prompt the user for the right bookmark to use."
+  :group 'org-bookmark
+  :type 'boolean)
+
+(org-link-set-parameters "bookmark"
+			 :follow #'org-bookmark-open
+			 :store #'org-bookmark-store-link)
+
+(defun org-bookmark-open (bookmark _)
+  "Visit the bookmark BOOKMARK."
+  (bookmark-jump bookmark))
+
+(defun org-bookmark-store-link ()
+  "Store a link to the current line's bookmark in bookmark list."
+  (let (file bookmark bmks)
+    (cond ((and org-bookmark-in-dired
+		(eq major-mode 'dired-mode))
+	   (setq file (abbreviate-file-name (dired-get-filename))))
+	  ((and org-bookmark-when-visiting-a-file
+		(buffer-file-name (buffer-base-buffer)))
+	   (setq file (abbreviate-file-name
+		       (buffer-file-name (buffer-base-buffer))))))
+    (if (not file)
+	(when (eq major-mode 'bookmark-bmenu-mode)
+	  (setq bookmark (bookmark-bmenu-bookmark)))
+      (when (and (setq bmks
+		       (mapcar (lambda (name)
+				 (if (equal file
+					    (abbreviate-file-name
+					     (bookmark-location name)))
+				     name))
+			       (bookmark-all-names)))
+		 (setq bmks (delete nil bmks)))
+	(setq bookmark
+	      (if (or (eq 1 (length bmks)) org-bookmark-use-first-bookmark)
+		  (car bmks)
+		(completing-read "Bookmark: " bmks nil t nil nil (car bmks))))))
+    (if bookmark
+	(org-store-link-props :link (concat "bookmark:" bookmark)
+			      :description bookmark))))
+
+(provide 'ol-bookmark)
+
+;;; ol-bookmark.el ends here