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;;; desktop-agendas.el --- Change agendas based on desktop -*- lexical-binding: t -*-
;; Copyright (C) 2013 Tom Willemse
;; Author: Tom Willemse <tom@ryuslash.org>
;; Keywords: convenience
;; Package-Requires: ((dash "1.2.0"))
;; Version: 0.1.0
;; This program 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 of the License, 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 this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;
;;; Code:
(require 'dash)
(require 'desktop)
(eval-when-compile
(require 'org))
(defgroup desktop-agendas nil
"Desktop agendas."
:group 'desktop)
(defcustom desktop-agendas nil
"Specification for agendas."
:group 'desktop-agendas
:type '(repeat (cons symbol (repeat file))))
(defvar desktop-agendas--changing-dir nil
"Are we changing desktop directories?")
(defun desktop-agendas--get-matched-files (desktop)
"Get the appropriate agenda files according to DESKTOP.
If DESKTOP is t all registered agenda files will be returned. If
DESKTOP is a symbol it indicates the list of agenda files to use,
with the list with t as its car appended."
(-distinct
(-flatten
(delq nil (mapcar
(lambda (lst)
(let ((sym (car lst)))
(when (or (eql desktop t)
(eql desktop sym)
(eql t sym))
(cdr lst))))
desktop-agendas)))))
(defun desktop-agendas-set ()
"Set some org settings according to the loaded desktop.
If ALL is non-nil set `org-agenda-files' and `org-refile-targets'
to all registered agenda files, otherwise set them to the values
specified for the current desktop."
(let ((agenda-files
(desktop-agendas--get-matched-files
(or (not desktop-dirname)
(intern (file-name-base
(directory-file-name
(expand-file-name desktop-dirname))))))))
(if agenda-files
(setq org-agenda-files agenda-files
org-refile-targets `((,agenda-files))))))
(defadvice desktop-change-dir
(around desktop-agendas-change-dir activate)
"Ensure desktop agendas knows a directory change is happening."
(let ((desktop-agendas--changing-dir t))
ad-do-it))
(defadvice desktop-clear (after desktop-agendas-clear activate)
"Reset `org-agenda-files' to all files."
(when (and desktop-agendas-mode (not desktop-agendas--changing-dir))
(desktop-agendas-set)))
;;;###autoload
(define-minor-mode desktop-agendas-mode
"A minor mode that changes the org agenda files according to
the loaded desktop."
:global t
(if desktop-agendas-mode
(progn
(add-hook 'desktop-after-read-hook 'desktop-agendas-set)
(add-hook 'desktop-no-desktop-file-hook 'destkop-agendas-reset)
(ad-enable-advice 'desktop-change-dir 'around
'desktop-agendas-change-dir)
(ad-enable-advice 'desktop-clear 'after 'desktop-agendas-clear))
(remove-hook 'desktop-after-read-hook 'desktop-agendas-set)
(remove-hook 'desktop-no-desktop-file-hook 'desktop-agendas-reset)
(ad-disable-advice 'desktop-change-dir 'around
'desktop-agendas-change-dir)
(ad-disable-advice 'desktop-clear 'after 'desktop-agendas-clear))
(desktop-agendas-set))
(provide 'desktop-agendas)
;;; desktop-agendas.el ends here
|
