237 lines
8.6 KiB
EmacsLisp
237 lines
8.6 KiB
EmacsLisp
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;;; org-attach.el --- Manage file attachments to org-mode tasks
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;; Copyright (C) 2008 Free Software Foundation, Inc.
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;; Author: John Wiegley <johnw@newartisans.com>
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;; Keywords: org data task
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;; Version: 6.08-pre01
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;; This file is part of GNU Emacs.
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;;
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; See the Org-mode manual for information on how to use it.
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;;
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;; Attachments are managed in a special directory called "data", which
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;; lives in the directory given by `org-directory'. If this data
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;; directory is initialized as a Git repository, then org-attach will
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;; automatically commit changes when it sees them.
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;;
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;; Attachment directories are identified using a UUID generated for the
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;; task which has the attachments. These are added as property to the
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;; task when necessary, and should not be deleted or changed by the
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;; user, ever. UUIDs are generated by a mechanism defined in the variable
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;; `org-id-method'.
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;; Ideas: Store region or kill as an attachment.
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;; Support drag-and-drop
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(eval-when-compile
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(require 'cl))
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(require 'org-id)
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(require 'org)
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(defgroup org-attach nil
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"Options concerning entry attachments in Org-mode."
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:tag "Org Remember"
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:group 'org)
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(defcustom org-attach-directory "data/"
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"The directory where attachments are stored.
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If this is a relative path, it will be interpreted relative to the directory
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where the Org file lives."
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:group 'org-attach
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:type 'direcory)
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(defcustom org-attach-expert nil
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"Non-nil means do not show the splash buffer with the attach dispatcher."
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:group 'org-attach
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:type 'boolean)
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;;;###autoload
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(defun org-attach ()
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"The dispatcher for attachment commands.
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Shows a list of commands and prompts for another key to execute a command."
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(interactive)
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(let (c marker)
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(when (eq major-mode 'org-agenda-mode)
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(setq marker (or (get-text-property (point) 'org-hd-marker)
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(get-text-property (point) 'org-marker)))
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(unless marker
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(error "No task in current line")))
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(save-excursion
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(when marker
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(set-buffer (marker-buffer marker))
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(goto-char marker))
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(org-back-to-heading t)
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(save-excursion
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(save-window-excursion
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(unless org-attach-expert
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(with-output-to-temp-buffer "*Org Attach*"
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(princ "Select an Attachment Command:
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a Select a file and move it into the task's attachment directory.
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c Create a new attachment, as an Emacs buffer.
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z Synchronize the current task with its attachment
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directory, in case you added attachments yourself.
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o Open current task's attachments.
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O Like \"o\", but force opening in Emacs.
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f Open current task's attachment directory.
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F Like \"f\", but force using dired in Emacs.
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D Delete all of a task's attachments. A safer way is
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to open the directory in dired and delete from there.")))
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(shrink-window-if-larger-than-buffer (get-buffer-window "*Org Attach*"))
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(message "Select command: [azoOfFD^a]")
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(setq c (read-char-exclusive))
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(and (get-buffer "*Org Attach*") (kill-buffer "*Org Attach*"))))
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(cond
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((memq c '(?a ?\C-a)) (call-interactively 'org-attach-attach))
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((memq c '(?c ?\C-c)) (call-interactively 'org-attach-new))
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((memq c '(?z ?\C-z)) (call-interactively 'org-attach-sync))
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((memq c '(?o ?\C-o)) (call-interactively 'org-attach-open))
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((eq c ?O) (call-interactively 'org-attach-open-in-emacs))
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((memq c '(?f ?\C-f)) (call-interactively 'org-attach-reveal))
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((memq c '(?F)) (call-interactively 'org-attach-reveal-in-emacs))
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((eq c ?D) (call-interactively 'org-attach-delete))
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(t (error "No such attachment command %c" c))))))
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(defun org-attach-dir (&optional create-if-not-exists-p)
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"Return the directory associated with the current entry.
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If the directory does not exist and CREATE-IF-NOT-EXISTS-P is non-nil,
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the directory and the corresponding ID will be created."
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(let ((uuid (org-id-get (point) create-if-not-exists-p)))
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(when (or uuid create-if-not-exists-p)
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(unless uuid
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(let ((uuid-string (shell-command-to-string "uuidgen")))
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(setf uuid-string
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(substring uuid-string 0 (1- (length uuid-string))))
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(org-entry-put (point) "ID" uuid-string)
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(setf uuid uuid-string)))
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(let ((attach-dir (expand-file-name
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(format "%s/%s"
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(substring uuid 0 2)
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(substring uuid 2))
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(expand-file-name org-attach-directory))))
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(if (and create-if-not-exists-p
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(not (file-directory-p attach-dir)))
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(make-directory attach-dir t))
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(and (file-exists-p attach-dir)
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attach-dir)))))
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(defun org-attach-commit ()
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"Commit changes to git if available."
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(let ((dir (expand-file-name org-attach-directory)))
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(if (file-exists-p (expand-file-name ".git" dir))
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(shell-command
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(concat "(cd " dir "; "
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" git add .; "
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" git ls-files --deleted -z | xargs -0 git rm; "
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" git commit -m 'Synchronized attachments')")))))
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(defun org-attach-attach (file &optional visit-dir)
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"Move FILE into the attachment directory of the current task.
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If VISIT-DIR is non-nil, visit the direcory with dired."
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(interactive "fFile to keep as an attachment: \nP")
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(let ((basename (file-name-nondirectory file)))
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(org-entry-add-to-multivalued-property (point) "Attachments"
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basename)
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(let ((attach-dir (org-attach-dir t)))
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(rename-file file (expand-file-name basename attach-dir))
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(org-attach-commit)
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(if visit-dir
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(dired attach-dir)
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(message "File \"%s\" is now a task attachment." basename)))))
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(defun org-attach-new (file)
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"Create a new attachment FILE for the current task.
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The attachment is created as an Emacs buffer."
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(interactive "sCreate attachment named: ")
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(org-entry-add-to-multivalued-property (point) "Attachments"
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file)
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(let ((attach-dir (org-attach-dir t)))
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(find-file (expand-file-name file attach-dir))
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(message "New attachment %s" file)))
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(defun org-attach-delete ()
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"Delete all attachments from the current task.
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A safer way is to open the directory in dired and delete from there."
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(interactive)
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(org-entry-delete (point) "Attachments")
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(let ((attach-dir (org-attach-dir)))
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(if attach-dir
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(shell-command (format "rm -fr %s" attach-dir))))
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(org-attach-commit))
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(defun org-attach-sync ()
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"Synchonize the current tasks with its attachments.
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This can be used after files have been added externally."
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(interactive)
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(org-attach-commit)
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(org-entry-delete (point) "Attachments")
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(let ((attach-dir (org-attach-dir)))
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(when attach-dir
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(let ((files (directory-files attach-dir)))
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(dolist (file files)
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(unless (string-match "^\\." file)
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(org-entry-add-to-multivalued-property
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(point) "Attachments" file)))))))
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(defun org-attach-reveal ()
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"Show the attachment directory of the current task in dired."
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(interactive)
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(let ((attach-dir (org-attach-dir t)))
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(org-open-file attach-dir)))
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(defun org-attach-reveal-in-emacs ()
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"Show the attachment directory of the current task.
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This will attempt to use an external program to show the directory."
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(interactive)
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(let ((attach-dir (org-attach-dir t)))
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(dired attach-dir)))
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(defun org-attach-open (&optional in-emacs)
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"Open an attachment of the current task.
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If there are more than one attachment, you will be prompted for the file name.
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This command will open the file using the settings in `org-file-apps'
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and in the system-specific variants of this variable.
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If IN-EMACS is non-nil, force opening in Emacs."
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(interactive "P")
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(let* ((attach-dir (org-attach-dir t))
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(files (org-entry-get-multivalued-property (point) "Attachments"))
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(file (if (= (length files) 1)
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(car files)
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(completing-read "Attachment: " (mapcar 'list files) nil t))))
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(org-open-file (expand-file-name file attach-dir) in-emacs)))
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(defun org-attach-open-in-emacs ()
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"Open attachment, force opening in Emacs.
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See `org-attach-open'."
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(org-attach-open 'in-emacs))
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(defun org-attach-open-single-attachment (&optional in-emacs)
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(interactive)
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(let* ((attach-dir (org-attach-dir t))
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(file (read-file-name "Attachment: " attach-dir nil t)))
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(org-open-file file in-emacs)))
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(provide 'org-attach)
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;;; org-attach.el ends here
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