lisp/org/org-archive.el

   1 ;;; org-archive.el --- Archiving for Org-mode
   2
   3 ;; Copyright (C) 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
   4
   5 ;; Author: Carsten Dominik <carsten at orgmode dot org>
   6 ;; Keywords: outlines, hypermedia, calendar, wp
   7 ;; Homepage: http://orgmode.org
   8 ;; Version: 6.05a
   9 ;;
  10 ;; This file is part of GNU Emacs.
  11 ;;
  12 ;; GNU Emacs is free software: you can redistribute it and/or modify
  13 ;; it under the terms of the GNU General Public License as published by
  14 ;; the Free Software Foundation, either version 3 of the License, or
  15 ;; (at your option) any later version.
  16
  17 ;; GNU Emacs is distributed in the hope that it will be useful,
  18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;; GNU General Public License for more details.
  21
  22 ;; You should have received a copy of the GNU General Public License
  23 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  24 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
  25 ;;
  26 ;;; Commentary:
  27
  28 ;; This file contains the face definitons for Org.
  29
  30 ;;; Code:
  31
  32 (require 'org)
  33
  34 (defcustom org-archive-sibling-heading "Archive"
  35   "Name of the local archive sibling that is used to archive entries locally.
  36 Locally means: in the tree, under a sibling.
  37 See `org-archive-to-archive-sibling' for more information."
  38   :group 'org-archive
  39   :type 'string)
  40
  41 (defcustom org-archive-mark-done t
  42   "Non-nil means, mark entries as DONE when they are moved to the archive file.
  43 This can be a string to set the keyword to use.  When t, Org-mode will
  44 use the first keyword in its list that means done."
  45   :group 'org-archive
  46   :type '(choice
  47           (const :tag "No" nil)
  48           (const :tag "Yes" t)
  49           (string :tag "Use this keyword")))
  50
  51 (defcustom org-archive-stamp-time t
  52   "Non-nil means, add a time stamp to entries moved to an archive file.
  53 This variable is obsolete and has no effect anymore, instead add or remove
  54 `time' from the variable `org-archive-save-context-info'."
  55   :group 'org-archive
  56   :type 'boolean)
  57
  58 (defcustom org-archive-save-context-info '(time file olpath category todo itags)
  59   "Parts of context info that should be stored as properties when archiving.
  60 When a subtree is moved to an archive file, it loses information given by
  61 context, like inherited tags, the category, and possibly also the TODO
  62 state (depending on the variable `org-archive-mark-done').
  63 This variable can be a list of any of the following symbols:
  64
  65 time       The time of archiving.
  66 file       The file where the entry originates.
  67 ltags      The local tags, in the headline of the subtree.
  68 itags      The tags the subtree inherits from further up the hierarchy.
  69 todo       The pre-archive TODO state.
  70 category   The category, taken from file name or #+CATEGORY lines.
  71 olpath     The outline path to the item.  These are all headlines above
  72            the current item, separated by /, like a file path.
  73
  74 For each symbol present in the list, a property will be created in
  75 the archived entry, with a prefix \"PRE_ARCHIVE_\", to remember this
  76 information."
  77   :group 'org-archive
  78   :type '(set :greedy t
  79           (const :tag "Time" time)
  80           (const :tag "File" file)
  81           (const :tag "Category" category)
  82           (const :tag "TODO state" todo)
  83           (const :tag "Priority" priority)
  84           (const :tag "Inherited tags" itags)
  85           (const :tag "Outline path" olpath)
  86           (const :tag "Local tags" ltags)))
  87
  88 (defun org-get-local-archive-location ()
  89   "Get the archive location applicable at point."
  90   (let ((re "^#\\+ARCHIVE:[ \t]+\\(\\S-.*\\S-\\)[ \t]*$")
  91         prop)
  92     (save-excursion
  93       (save-restriction
  94         (widen)
  95         (setq prop (org-entry-get nil "ARCHIVE" 'inherit))
  96         (cond
  97          ((and prop (string-match "\\S-" prop))
  98           prop)
  99          ((or (re-search-backward re nil t)
 100               (re-search-forward re nil t))
 101           (match-string 1))
 102          (t org-archive-location (match-string 1)))))))
 103
 104 (defun org-add-archive-files (files)
 105   "Splice the archive files into the list f files.
 106 This implies visiting all these files and finding out what the
 107 archive file is."
 108   (apply
 109    'append
 110    (mapcar
 111     (lambda (f)
 112       (if (not (file-exists-p f))
 113           nil
 114         (with-current-buffer (org-get-agenda-file-buffer f)
 115           (cons f (org-all-archive-files)))))
 116     files)))
 117
 118 (defun org-all-archive-files ()
 119   "Get a list of all archive files used in the current buffer."
 120   (let (file files)
 121     (save-excursion
 122       (save-restriction
 123         (goto-char (point-min))
 124         (while (re-search-forward
 125                 "^\\(#\\+\\|[ \t]*:\\)ARCHIVE:[ \t]+\\(.*\\)"
 126                 nil t)
 127           (setq file (org-extract-archive-file
 128                       (org-match-string-no-properties 2)))
 129           (and file (> (length file) 0) (file-exists-p file)
 130                (add-to-list 'files file)))))
 131     (setq files (nreverse files))
 132     (setq file (org-extract-archive-file))
 133     (and file (> (length file) 0) (file-exists-p file)
 134          (add-to-list 'files file))
 135     files))
 136
 137 (defun org-extract-archive-file (&optional location)
 138   "Extract and expand the file name from archive LOCATION.
 139 if LOCATION is not given, the value of `org-archive-location' is used."
 140   (setq location (or location org-archive-location))
 141   (if (string-match "\\(.*\\)::\\(.*\\)" location)
 142       (if (= (match-beginning 1) (match-end 1))
 143           (buffer-file-name)
 144         (expand-file-name
 145          (format (match-string 1 location)
 146                  (file-name-nondirectory buffer-file-name))))))
 147
 148 (defun org-extract-archive-heading (&optional location)
 149   "Extract the heading from archive LOCATION.
 150 if LOCATION is not given, the value of `org-archive-location' is used."
 151   (setq location (or location org-archive-location))
 152   (if (string-match "\\(.*\\)::\\(.*\\)" location)
 153       (match-string 2 location)))
 154
 155 (defun org-archive-subtree (&optional find-done)
 156   "Move the current subtree to the archive.
 157 The archive can be a certain top-level heading in the current file, or in
 158 a different file.  The tree will be moved to that location, the subtree
 159 heading be marked DONE, and the current time will be added.
 160
 161 When called with prefix argument FIND-DONE, find whole trees without any
 162 open TODO items and archive them (after getting confirmation from the user).
 163 If the cursor is not at a headline when this comand is called, try all level
 164 1 trees.  If the cursor is on a headline, only try the direct children of
 165 this heading."
 166   (interactive "P")
 167   (if find-done
 168       (org-archive-all-done)
 169     ;; Save all relevant TODO keyword-relatex variables
 170
 171     (let ((tr-org-todo-line-regexp org-todo-line-regexp) ; keep despite compiler
 172           (tr-org-todo-keywords-1 org-todo-keywords-1)
 173           (tr-org-todo-kwd-alist org-todo-kwd-alist)
 174           (tr-org-done-keywords org-done-keywords)
 175           (tr-org-todo-regexp org-todo-regexp)
 176           (tr-org-todo-line-regexp org-todo-line-regexp)
 177           (tr-org-odd-levels-only org-odd-levels-only)
 178           (this-buffer (current-buffer))
 179           ;; start of variables that will be used for saving context
 180           ;; The compiler complains about them - keep them anyway!
 181           (file (abbreviate-file-name (buffer-file-name)))
 182           (olpath (mapconcat 'identity (org-get-outline-path) "/"))
 183           (time (format-time-string
 184                  (substring (cdr org-time-stamp-formats) 1 -1)
 185                  (current-time)))
 186           category todo priority ltags itags
 187           ;; end of variables that will be used for saving context
 188           location afile heading buffer level newfile-p visiting)
 189
 190       ;; Find the local archive location
 191       (setq location (org-get-local-archive-location)
 192             afile (org-extract-archive-file location)
 193             heading (org-extract-archive-heading location))
 194       (unless afile
 195         (error "Invalid `org-archive-location'"))
 196
 197       (if (> (length afile) 0)
 198           (setq newfile-p (not (file-exists-p afile))
 199                 visiting (find-buffer-visiting afile)
 200                 buffer (or visiting (find-file-noselect afile)))
 201         (setq buffer (current-buffer)))
 202       (unless buffer
 203         (error "Cannot access file \"%s\"" afile))
 204       (if (and (> (length heading) 0)
 205                (string-match "^\\*+" heading))
 206           (setq level (match-end 0))
 207         (setq heading nil level 0))
 208       (save-excursion
 209         (org-back-to-heading t)
 210         ;; Get context information that will be lost by moving the tree
 211         (org-refresh-category-properties)
 212         (setq category (org-get-category)
 213               todo (and (looking-at org-todo-line-regexp)
 214                         (match-string 2))
 215               priority (org-get-priority
 216                         (if (match-end 3) (match-string 3) ""))
 217               ltags (org-get-tags)
 218               itags (org-delete-all ltags (org-get-tags-at)))
 219         (setq ltags (mapconcat 'identity ltags " ")
 220               itags (mapconcat 'identity itags " "))
 221         ;; We first only copy, in case something goes wrong
 222         ;; we need to protect `this-command', to avoid kill-region sets it,
 223         ;; which would lead to duplication of subtrees
 224         (let (this-command) (org-copy-subtree 1 nil t))
 225         (set-buffer buffer)
 226         ;; Enforce org-mode for the archive buffer
 227         (if (not (org-mode-p))
 228             ;; Force the mode for future visits.
 229             (let ((org-insert-mode-line-in-empty-file t)
 230                   (org-inhibit-startup t))
 231               (call-interactively 'org-mode)))
 232         (when newfile-p
 233           (goto-char (point-max))
 234           (insert (format "\nArchived entries from file %s\n\n"
 235                           (buffer-file-name this-buffer))))
 236         ;; Force the TODO keywords of the original buffer
 237         (let ((org-todo-line-regexp tr-org-todo-line-regexp)
 238               (org-todo-keywords-1 tr-org-todo-keywords-1)
 239               (org-todo-kwd-alist tr-org-todo-kwd-alist)
 240               (org-done-keywords tr-org-done-keywords)
 241               (org-todo-regexp tr-org-todo-regexp)
 242               (org-todo-line-regexp tr-org-todo-line-regexp)
 243               (org-odd-levels-only
 244                (if (local-variable-p 'org-odd-levels-only (current-buffer))
 245                    org-odd-levels-only
 246                  tr-org-odd-levels-only)))
 247           (goto-char (point-min))
 248           (show-all)
 249           (if heading
 250               (progn
 251                 (if (re-search-forward
 252                      (concat "^" (regexp-quote heading)
 253                              (org-re "[ \t]*\\(:[[:alnum:]_@:]+:\\)?[ \t]*\\($\\|\r\\)"))
 254                      nil t)
 255                     (goto-char (match-end 0))
 256                   ;; Heading not found, just insert it at the end
 257                   (goto-char (point-max))
 258                   (or (bolp) (insert "\n"))
 259                   (insert "\n" heading "\n")
 260                   (end-of-line 0))
 261                 ;; Make the subtree visible
 262                 (show-subtree)
 263                 (org-end-of-subtree t)
 264                 (skip-chars-backward " \t\r\n")
 265                 (and (looking-at "[ \t\r\n]*")
 266                      (replace-match "\n\n")))
 267             ;; No specific heading, just go to end of file.
 268             (goto-char (point-max)) (insert "\n"))
 269           ;; Paste
 270           (org-paste-subtree (org-get-valid-level level 1))
 271
 272           ;; Mark the entry as done
 273           (when (and org-archive-mark-done
 274                      (looking-at org-todo-line-regexp)
 275                      (or (not (match-end 2))
 276                          (not (member (match-string 2) org-done-keywords))))
 277             (let (org-log-done org-todo-log-states)
 278               (org-todo
 279                (car (or (member org-archive-mark-done org-done-keywords)
 280                         org-done-keywords)))))
 281
 282           ;; Add the context info
 283           (when org-archive-save-context-info
 284             (let ((l org-archive-save-context-info) e n v)
 285               (while (setq e (pop l))
 286                 (when (and (setq v (symbol-value e))
 287                            (stringp v) (string-match "\\S-" v))
 288                   (setq n (concat "ARCHIVE_" (upcase (symbol-name e))))
 289                   (org-entry-put (point) n v)))))
 290
 291           ;; Save and kill the buffer, if it is not the same buffer.
 292           (when (not (eq this-buffer buffer))
 293             (save-buffer)
 294             ;; Check if it is OK to kill the buffer
 295             (unless
 296                 (or visiting
 297                     (equal (marker-buffer org-clock-marker) (current-buffer)))
 298               (kill-buffer buffer)))
 299           ))
 300       ;; Here we are back in the original buffer.  Everything seems to have
 301       ;; worked.  So now cut the tree and finish up.
 302       (let (this-command) (org-cut-subtree))
 303       (setq org-markers-to-move nil)
 304       (message "Subtree archived %s"
 305                (if (eq this-buffer buffer)
 306                    (concat "under heading: " heading)
 307                  (concat "in file: " (abbreviate-file-name afile)))))))
 308
 309 (defun org-archive-to-archive-sibling ()
 310   "Archive the current heading by moving it under the archive sibling.
 311 The archive sibling is a sibling of the heading with the heading name
 312 `org-archive-sibling-heading' and an `org-archive-tag' tag.  If this
 313 sibling does not exist, it will be created at the end of the subtree."
 314   (interactive)
 315   (save-restriction
 316     (widen)
 317     (let (b e pos leader level)
 318       (org-back-to-heading t)
 319       (looking-at outline-regexp)
 320       (setq leader (match-string 0)
 321             level (funcall outline-level))
 322       (setq pos (point))
 323       (condition-case nil
 324           (outline-up-heading 1 t)
 325         (error (goto-char (point-min))))
 326       (setq b (point))
 327       (condition-case nil
 328           (org-end-of-subtree t t)
 329         (error (goto-char (point-max))))
 330       (setq e (point))
 331       (goto-char b)
 332       (unless (re-search-forward
 333                (concat "^" (regexp-quote leader)
 334                        "[ \t]*"
 335                        org-archive-sibling-heading
 336                        "[ \t]*:"
 337                        org-archive-tag ":") e t)
 338         (goto-char e)
 339         (or (bolp) (newline))
 340         (insert leader org-archive-sibling-heading "\n")
 341         (beginning-of-line 0)
 342         (org-toggle-tag org-archive-tag 'on))
 343       (beginning-of-line 1)
 344       (org-end-of-subtree t t)
 345       (save-excursion
 346         (goto-char pos)
 347         (org-cut-subtree))
 348       (org-paste-subtree (org-get-valid-level level 1))
 349       (org-set-property
 350        "ARCHIVE_TIME"
 351        (format-time-string
 352         (substring (cdr org-time-stamp-formats) 1 -1)
 353         (current-time)))
 354       (outline-up-heading 1 t)
 355       (hide-subtree)
 356       (goto-char pos))))
 357
 358 (defun org-archive-all-done (&optional tag)
 359   "Archive sublevels of the current tree without open TODO items.
 360 If the cursor is not on a headline, try all level 1 trees.  If
 361 it is on a headline, try all direct children.
 362 When TAG is non-nil, don't move trees, but mark them with the ARCHIVE tag."
 363   (let ((re (concat "^\\*+ +" org-not-done-regexp)) re1
 364         (rea (concat ".*:" org-archive-tag ":"))
 365         (begm (make-marker))
 366         (endm (make-marker))
 367         (question (if tag "Set ARCHIVE tag (no open TODO items)? "
 368                     "Move subtree to archive (no open TODO items)? "))
 369         beg end (cntarch 0))
 370     (if (org-on-heading-p)
 371         (progn
 372           (setq re1 (concat "^" (regexp-quote
 373                                  (make-string
 374                                   (1+ (- (match-end 0) (match-beginning 0) 1))
 375                                   ?*))
 376                             " "))
 377           (move-marker begm (point))
 378           (move-marker endm (org-end-of-subtree t)))
 379       (setq re1 "^* ")
 380       (move-marker begm (point-min))
 381       (move-marker endm (point-max)))
 382     (save-excursion
 383       (goto-char begm)
 384       (while (re-search-forward re1 endm t)
 385         (setq beg (match-beginning 0)
 386               end (save-excursion (org-end-of-subtree t) (point)))
 387         (goto-char beg)
 388         (if (re-search-forward re end t)
 389             (goto-char end)
 390           (goto-char beg)
 391           (if (and (or (not tag) (not (looking-at rea)))
 392                    (y-or-n-p question))
 393               (progn
 394                 (if tag
 395                     (org-toggle-tag org-archive-tag 'on)
 396                   (org-archive-subtree))
 397                 (setq cntarch (1+ cntarch)))
 398             (goto-char end)))))
 399     (message "%d trees archived" cntarch)))
 400
 401 (defun org-toggle-archive-tag (&optional find-done)
 402   "Toggle the archive tag for the current headline.
 403 With prefix ARG, check all children of current headline and offer tagging
 404 the children that do not contain any open TODO items."
 405   (interactive "P")
 406   (if find-done
 407       (org-archive-all-done 'tag)
 408     (let (set)
 409       (save-excursion
 410         (org-back-to-heading t)
 411         (setq set (org-toggle-tag org-archive-tag))
 412         (when set (hide-subtree)))
 413       (and set (beginning-of-line 1))
 414       (message "Subtree %s" (if set "archived" "unarchived")))))
 415
 416 (provide 'org-archive)
 417
 418 ;; arch-tag: 0837f601-9699-43c3-8b90-631572ae6c85
 419
 420 ;;; org-archive.el ends here