lisp/org-archive.el

   1 ;;; org-archive.el --- Archiving for Org-mode
   2
   3 ;; Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009
   4 ;;   Free Software Foundation, Inc.
   5
   6 ;; Author: Carsten Dominik <carsten at orgmode dot org>
   7 ;; Keywords: outlines, hypermedia, calendar, wp
   8 ;; Homepage: http://orgmode.org
   9 ;; Version: 6.21a
  10 ;;
  11 ;; This file is part of GNU Emacs.
  12 ;;
  13 ;; GNU Emacs is free software: you can redistribute it and/or modify
  14 ;; it under the terms of the GNU General Public License as published by
  15 ;; the Free Software Foundation, either version 3 of the License, or
  16 ;; (at your option) any later version.
  17
  18 ;; GNU Emacs is distributed in the hope that it will be useful,
  19 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 ;; GNU General Public License for more details.
  22
  23 ;; You should have received a copy of the GNU General Public License
  24 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  25 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
  26 ;;
  27 ;;; Commentary:
  28
  29 ;; This file contains the face definitions for Org.
  30
  31 ;;; Code:
  32
  33 (require 'org)
  34
  35 (defcustom org-archive-sibling-heading "Archive"
  36   "Name of the local archive sibling that is used to archive entries locally.
  37 Locally means: in the tree, under a sibling.
  38 See `org-archive-to-archive-sibling' for more information."
  39   :group 'org-archive
  40   :type 'string)
  41
  42 (defcustom org-archive-mark-done t
  43   "Non-nil means, mark entries as DONE when they are moved to the archive file.
  44 This can be a string to set the keyword to use.  When t, Org-mode will
  45 use the first keyword in its list that means done."
  46   :group 'org-archive
  47   :type '(choice
  48           (const :tag "No" nil)
  49           (const :tag "Yes" t)
  50           (string :tag "Use this keyword")))
  51
  52 (defcustom org-archive-stamp-time t
  53   "Non-nil means, add a time stamp to entries moved to an archive file.
  54 This variable is obsolete and has no effect anymore, instead add or remove
  55 `time' from the variable `org-archive-save-context-info'."
  56   :group 'org-archive
  57   :type 'boolean)
  58
  59 (defcustom org-archive-save-context-info '(time file olpath category todo itags)
  60   "Parts of context info that should be stored as properties when archiving.
  61 When a subtree is moved to an archive file, it loses information given by
  62 context, like inherited tags, the category, and possibly also the TODO
  63 state (depending on the variable `org-archive-mark-done').
  64 This variable can be a list of any of the following symbols:
  65
  66 time       The time of archiving.
  67 file       The file where the entry originates.
  68 ltags      The local tags, in the headline of the subtree.
  69 itags      The tags the subtree inherits from further up the hierarchy.
  70 todo       The pre-archive TODO state.
  71 category   The category, taken from file name or #+CATEGORY lines.
  72 olpath     The outline path to the item.  These are all headlines above
  73            the current item, separated by /, like a file path.
  74
  75 For each symbol present in the list, a property will be created in
  76 the archived entry, with a prefix \"PRE_ARCHIVE_\", to remember this
  77 information."
  78   :group 'org-archive
  79   :type '(set :greedy t
  80           (const :tag "Time" time)
  81           (const :tag "File" file)
  82           (const :tag "Category" category)
  83           (const :tag "TODO state" todo)
  84           (const :tag "Priority" priority)
  85           (const :tag "Inherited tags" itags)
  86           (const :tag "Outline path" olpath)
  87           (const :tag "Local tags" ltags)))
  88
  89 (defun org-get-local-archive-location ()
  90   "Get the archive location applicable at point."
  91   (let ((re "^#\\+ARCHIVE:[ \t]+\\(\\S-.*\\S-\\)[ \t]*$")
  92         prop)
  93     (save-excursion
  94       (save-restriction
  95         (widen)
  96         (setq prop (org-entry-get nil "ARCHIVE" 'inherit))
  97         (cond
  98          ((and prop (string-match "\\S-" prop))
  99           prop)
 100          ((or (re-search-backward re nil t)
 101               (re-search-forward re nil t))
 102           (match-string 1))
 103          (t org-archive-location (match-string 1)))))))
 104
 105 (defun org-add-archive-files (files)
 106   "Splice the archive files into the list of files.
 107 This implies visiting all these files and finding out what the
 108 archive file is."
 109   (org-uniquify
 110    (apply
 111     'append
 112     (mapcar
 113      (lambda (f)
 114        (if (not (file-exists-p f))
 115            nil
 116          (with-current-buffer (org-get-agenda-file-buffer f)
 117            (cons f (org-all-archive-files)))))
 118      files))))
 119
 120 (defun org-all-archive-files ()
 121   "Get a list of all archive files used in the current buffer."
 122   (let (file files)
 123     (save-excursion
 124       (save-restriction
 125         (goto-char (point-min))
 126         (while (re-search-forward
 127                 "^\\(#\\+\\|[ \t]*:\\)ARCHIVE:[ \t]+\\(.*\\)"
 128                 nil t)
 129           (setq file (org-extract-archive-file
 130                       (org-match-string-no-properties 2)))
 131           (and file (> (length file) 0) (file-exists-p file)
 132                (add-to-list 'files file)))))
 133     (setq files (nreverse files))
 134     (setq file (org-extract-archive-file))
 135     (and file (> (length file) 0) (file-exists-p file)
 136          (add-to-list 'files file))
 137     files))
 138
 139 (defun org-extract-archive-file (&optional location)
 140   "Extract and expand the file name from archive LOCATION.
 141 if LOCATION is not given, the value of `org-archive-location' is used."
 142   (setq location (or location org-archive-location))
 143   (if (string-match "\\(.*\\)::\\(.*\\)" location)
 144       (if (= (match-beginning 1) (match-end 1))
 145           (buffer-file-name)
 146         (expand-file-name
 147          (format (match-string 1 location)
 148                  (file-name-nondirectory buffer-file-name))))))
 149
 150 (defun org-extract-archive-heading (&optional location)
 151   "Extract the heading from archive LOCATION.
 152 if LOCATION is not given, the value of `org-archive-location' is used."
 153   (setq location (or location org-archive-location))
 154   (if (string-match "\\(.*\\)::\\(.*\\)" location)
 155       (format (match-string 2 location)
 156               (file-name-nondirectory buffer-file-name))))
 157
 158 (defun org-archive-subtree (&optional find-done)
 159   "Move the current subtree to the archive.
 160 The archive can be a certain top-level heading in the current file, or in
 161 a different file.  The tree will be moved to that location, the subtree
 162 heading be marked DONE, and the current time will be added.
 163
 164 When called with prefix argument FIND-DONE, find whole trees without any
 165 open TODO items and archive them (after getting confirmation from the user).
 166 If the cursor is not at a headline when this command is called, try all level
 167 1 trees.  If the cursor is on a headline, only try the direct children of
 168 this heading."
 169   (interactive "P")
 170   (if find-done
 171       (org-archive-all-done)
 172     ;; Save all relevant TODO keyword-relatex variables
 173
 174     (let ((tr-org-todo-line-regexp org-todo-line-regexp) ; keep despite compiler
 175           (tr-org-todo-keywords-1 org-todo-keywords-1)
 176           (tr-org-todo-kwd-alist org-todo-kwd-alist)
 177           (tr-org-done-keywords org-done-keywords)
 178           (tr-org-todo-regexp org-todo-regexp)
 179           (tr-org-todo-line-regexp org-todo-line-regexp)
 180           (tr-org-odd-levels-only org-odd-levels-only)
 181           (this-buffer (current-buffer))
 182           ;; start of variables that will be used for saving context
 183           ;; The compiler complains about them - keep them anyway!
 184           (file (abbreviate-file-name (buffer-file-name)))
 185           (olpath (mapconcat 'identity (org-get-outline-path) "/"))
 186           (time (format-time-string
 187                  (substring (cdr org-time-stamp-formats) 1 -1)
 188                  (current-time)))
 189           category todo priority ltags itags
 190           ;; end of variables that will be used for saving context
 191           location afile heading buffer level newfile-p visiting)
 192
 193       ;; Find the local archive location
 194       (setq location (org-get-local-archive-location)
 195             afile (org-extract-archive-file location)
 196             heading (org-extract-archive-heading location))
 197       (unless afile
 198         (error "Invalid `org-archive-location'"))
 199
 200       (if (> (length afile) 0)
 201           (setq newfile-p (not (file-exists-p afile))
 202                 visiting (find-buffer-visiting afile)
 203                 buffer (or visiting (find-file-noselect afile)))
 204         (setq buffer (current-buffer)))
 205       (unless buffer
 206         (error "Cannot access file \"%s\"" afile))
 207       (if (and (> (length heading) 0)
 208                (string-match "^\\*+" heading))
 209           (setq level (match-end 0))
 210         (setq heading nil level 0))
 211       (save-excursion
 212         (org-back-to-heading t)
 213         ;; Get context information that will be lost by moving the tree
 214         (org-refresh-category-properties)
 215         (setq category (org-get-category)
 216               todo (and (looking-at org-todo-line-regexp)
 217                         (match-string 2))
 218               priority (org-get-priority
 219                         (if (match-end 3) (match-string 3) ""))
 220               ltags (org-get-tags)
 221               itags (org-delete-all ltags (org-get-tags-at)))
 222         (setq ltags (mapconcat 'identity ltags " ")
 223               itags (mapconcat 'identity itags " "))
 224         ;; We first only copy, in case something goes wrong
 225         ;; we need to protect `this-command', to avoid kill-region sets it,
 226         ;; which would lead to duplication of subtrees
 227         (let (this-command) (org-copy-subtree 1 nil t))
 228         (set-buffer buffer)
 229         ;; Enforce org-mode for the archive buffer
 230         (if (not (org-mode-p))
 231             ;; Force the mode for future visits.
 232             (let ((org-insert-mode-line-in-empty-file t)
 233                   (org-inhibit-startup t))
 234               (call-interactively 'org-mode)))
 235         (when newfile-p
 236           (goto-char (point-max))
 237           (insert (format "\nArchived entries from file %s\n\n"
 238                           (buffer-file-name this-buffer))))
 239         ;; Force the TODO keywords of the original buffer
 240         (let ((org-todo-line-regexp tr-org-todo-line-regexp)
 241               (org-todo-keywords-1 tr-org-todo-keywords-1)
 242               (org-todo-kwd-alist tr-org-todo-kwd-alist)
 243               (org-done-keywords tr-org-done-keywords)
 244               (org-todo-regexp tr-org-todo-regexp)
 245               (org-todo-line-regexp tr-org-todo-line-regexp)
 246               (org-odd-levels-only
 247                (if (local-variable-p 'org-odd-levels-only (current-buffer))
 248                    org-odd-levels-only
 249                  tr-org-odd-levels-only)))
 250           (goto-char (point-min))
 251           (show-all)
 252           (if heading
 253               (progn
 254                 (if (re-search-forward
 255                      (concat "^" (regexp-quote heading)
 256                              (org-re "[ \t]*\\(:[[:alnum:]_@:]+:\\)?[ \t]*\\($\\|\r\\)"))
 257                      nil t)
 258                     (goto-char (match-end 0))
 259                   ;; Heading not found, just insert it at the end
 260                   (goto-char (point-max))
 261                   (or (bolp) (insert "\n"))
 262                   (insert "\n" heading "\n")
 263                   (end-of-line 0))
 264                 ;; Make the subtree visible
 265                 (show-subtree)
 266                 (org-end-of-subtree t)
 267                 (skip-chars-backward " \t\r\n")
 268                 (and (looking-at "[ \t\r\n]*")
 269                      (replace-match "\n\n")))
 270             ;; No specific heading, just go to end of file.
 271             (goto-char (point-max)) (insert "\n"))
 272           ;; Paste
 273           (org-paste-subtree (org-get-valid-level level 1))
 274
 275           ;; Mark the entry as done
 276           (when (and org-archive-mark-done
 277                      (looking-at org-todo-line-regexp)
 278                      (or (not (match-end 2))
 279                          (not (member (match-string 2) org-done-keywords))))
 280             (let (org-log-done org-todo-log-states)
 281               (org-todo
 282                (car (or (member org-archive-mark-done org-done-keywords)
 283                         org-done-keywords)))))
 284
 285           ;; Add the context info
 286           (when org-archive-save-context-info
 287             (let ((l org-archive-save-context-info) e n v)
 288               (while (setq e (pop l))
 289                 (when (and (setq v (symbol-value e))
 290                            (stringp v) (string-match "\\S-" v))
 291                   (setq n (concat "ARCHIVE_" (upcase (symbol-name e))))
 292                   (org-entry-put (point) n v)))))
 293
 294           ;; Save and kill the buffer, if it is not the same buffer.
 295           (when (not (eq this-buffer buffer))
 296             (save-buffer)
 297             ;; Check if it is OK to kill the buffer
 298             (unless
 299                 (or visiting
 300                     (equal (marker-buffer org-clock-marker) (current-buffer)))
 301               (kill-buffer buffer)))
 302           ))
 303       ;; Here we are back in the original buffer.  Everything seems to have
 304       ;; worked.  So now cut the tree and finish up.
 305       (let (this-command) (org-cut-subtree))
 306       (setq org-markers-to-move nil)
 307       (message "Subtree archived %s"
 308                (if (eq this-buffer buffer)
 309                    (concat "under heading: " heading)
 310                  (concat "in file: " (abbreviate-file-name afile))))))
 311   (org-reveal))
 312
 313 (defun org-archive-to-archive-sibling ()
 314   "Archive the current heading by moving it under the archive sibling.
 315 The archive sibling is a sibling of the heading with the heading name
 316 `org-archive-sibling-heading' and an `org-archive-tag' tag.  If this
 317 sibling does not exist, it will be created at the end of the subtree."
 318   (interactive)
 319   (save-restriction
 320     (widen)
 321     (let (b e pos leader level)
 322       (org-back-to-heading t)
 323       (looking-at outline-regexp)
 324       (setq leader (match-string 0)
 325             level (funcall outline-level))
 326       (setq pos (point))
 327       (condition-case nil
 328           (outline-up-heading 1 t)
 329         (error (setq e (point-max)) (goto-char (point-min))))
 330       (setq b (point))
 331       (unless e
 332         (condition-case nil
 333             (org-end-of-subtree t t)
 334           (error (goto-char (point-max))))
 335         (setq e (point)))
 336       (goto-char b)
 337       (unless (re-search-forward
 338                (concat "^" (regexp-quote leader)
 339                        "[ \t]*"
 340                        org-archive-sibling-heading
 341                        "[ \t]*:"
 342                        org-archive-tag ":") e t)
 343         (goto-char e)
 344         (or (bolp) (newline))
 345         (insert leader org-archive-sibling-heading "\n")
 346         (beginning-of-line 0)
 347         (org-toggle-tag org-archive-tag 'on))
 348       (beginning-of-line 1)
 349       (org-end-of-subtree t t)
 350       (save-excursion
 351         (goto-char pos)
 352         (let ((this-command this-command)) (org-cut-subtree)))
 353       (org-paste-subtree (org-get-valid-level level 1))
 354       (org-set-property
 355        "ARCHIVE_TIME"
 356        (format-time-string
 357         (substring (cdr org-time-stamp-formats) 1 -1)
 358         (current-time)))
 359       (outline-up-heading 1 t)
 360       (hide-subtree)
 361       (org-cycle-show-empty-lines 'folded)
 362       (goto-char pos)))
 363   (org-reveal))
 364
 365 (defun org-archive-all-done (&optional tag)
 366   "Archive sublevels of the current tree without open TODO items.
 367 If the cursor is not on a headline, try all level 1 trees.  If
 368 it is on a headline, try all direct children.
 369 When TAG is non-nil, don't move trees, but mark them with the ARCHIVE tag."
 370   (let ((re (concat "^\\*+ +" org-not-done-regexp)) re1
 371         (rea (concat ".*:" org-archive-tag ":"))
 372         (begm (make-marker))
 373         (endm (make-marker))
 374         (question (if tag "Set ARCHIVE tag (no open TODO items)? "
 375                     "Move subtree to archive (no open TODO items)? "))
 376         beg end (cntarch 0))
 377     (if (org-on-heading-p)
 378         (progn
 379           (setq re1 (concat "^" (regexp-quote
 380                                  (make-string
 381                                   (1+ (- (match-end 0) (match-beginning 0) 1))
 382                                   ?*))
 383                             " "))
 384           (move-marker begm (point))
 385           (move-marker endm (org-end-of-subtree t)))
 386       (setq re1 "^* ")
 387       (move-marker begm (point-min))
 388       (move-marker endm (point-max)))
 389     (save-excursion
 390       (goto-char begm)
 391       (while (re-search-forward re1 endm t)
 392         (setq beg (match-beginning 0)
 393               end (save-excursion (org-end-of-subtree t) (point)))
 394         (goto-char beg)
 395         (if (re-search-forward re end t)
 396             (goto-char end)
 397           (goto-char beg)
 398           (if (and (or (not tag) (not (looking-at rea)))
 399                    (y-or-n-p question))
 400               (progn
 401                 (if tag
 402                     (org-toggle-tag org-archive-tag 'on)
 403                   (org-archive-subtree))
 404                 (setq cntarch (1+ cntarch)))
 405             (goto-char end)))))
 406     (message "%d trees archived" cntarch)))
 407
 408 (defun org-toggle-archive-tag (&optional find-done)
 409   "Toggle the archive tag for the current headline.
 410 With prefix ARG, check all children of current headline and offer tagging
 411 the children that do not contain any open TODO items."
 412   (interactive "P")
 413   (if find-done
 414       (org-archive-all-done 'tag)
 415     (let (set)
 416       (save-excursion
 417         (org-back-to-heading t)
 418         (setq set (org-toggle-tag org-archive-tag))
 419         (when set (hide-subtree)))
 420       (and set (beginning-of-line 1))
 421       (message "Subtree %s" (if set "archived" "unarchived")))))
 422
 423 (provide 'org-archive)
 424
 425 ;; arch-tag: 0837f601-9699-43c3-8b90-631572ae6c85
 426
 427 ;;; org-archive.el ends here