code.delx.au - gnu-emacs/blob - lisp/org/org-colview.el

   1 ;;; org-colview.el --- Column View in Org-mode
   2
   3 ;; Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
   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: 6.33x
  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 column view for Org.
  30
  31 ;;; Code:
  32
  33 (eval-when-compile (require 'cl))
  34 (require 'org)
  35
  36 (declare-function org-agenda-redo "org-agenda" ())
  37 (declare-function org-agenda-do-context-action "org-agenda" ())
  38
  39 ;;; Column View
  40
  41 (defvar org-columns-overlays nil
  42   "Holds the list of current column overlays.")
  43
  44 (defvar org-columns-current-fmt nil
  45   "Local variable, holds the currently active column format.")
  46 (make-variable-buffer-local 'org-columns-current-fmt)
  47 (defvar org-columns-current-fmt-compiled nil
  48   "Local variable, holds the currently active column format.
  49 This is the compiled version of the format.")
  50 (make-variable-buffer-local 'org-columns-current-fmt-compiled)
  51 (defvar org-columns-current-widths nil
  52   "Loval variable, holds the currently widths of fields.")
  53 (make-variable-buffer-local 'org-columns-current-widths)
  54 (defvar org-columns-current-maxwidths nil
  55   "Loval variable, holds the currently active maximum column widths.")
  56 (make-variable-buffer-local 'org-columns-current-maxwidths)
  57 (defvar org-columns-begin-marker (make-marker)
  58   "Points to the position where last a column creation command was called.")
  59 (defvar org-columns-top-level-marker (make-marker)
  60   "Points to the position where current columns region starts.")
  61
  62 (defvar org-columns-map (make-sparse-keymap)
  63   "The keymap valid in column display.")
  64
  65 (defun org-columns-content ()
  66   "Switch to contents view while in columns view."
  67   (interactive)
  68   (org-overview)
  69   (org-content))
  70
  71 (org-defkey org-columns-map "c" 'org-columns-content)
  72 (org-defkey org-columns-map "o" 'org-overview)
  73 (org-defkey org-columns-map "e" 'org-columns-edit-value)
  74 (org-defkey org-columns-map "\C-c\C-t" 'org-columns-todo)
  75 (org-defkey org-columns-map "\C-c\C-c" 'org-columns-set-tags-or-toggle)
  76 (org-defkey org-columns-map "\C-c\C-o" 'org-columns-open-link)
  77 (org-defkey org-columns-map "v" 'org-columns-show-value)
  78 (org-defkey org-columns-map "q" 'org-columns-quit)
  79 (org-defkey org-columns-map "r" 'org-columns-redo)
  80 (org-defkey org-columns-map "g" 'org-columns-redo)
  81 (org-defkey org-columns-map [left] 'backward-char)
  82 (org-defkey org-columns-map "\M-b" 'backward-char)
  83 (org-defkey org-columns-map "a" 'org-columns-edit-allowed)
  84 (org-defkey org-columns-map "s" 'org-columns-edit-attributes)
  85 (org-defkey org-columns-map "\M-f"
  86             (lambda () (interactive) (goto-char (1+ (point)))))
  87 (org-defkey org-columns-map [right]
  88             (lambda () (interactive) (goto-char (1+ (point)))))
  89 (org-defkey org-columns-map [down]
  90             (lambda () (interactive)
  91               (let ((col (current-column)))
  92                 (beginning-of-line 2)
  93                 (while (and (org-invisible-p2) (not (eobp)))
  94                   (beginning-of-line 2))
  95                 (move-to-column col)
  96                 (if (eq major-mode 'org-agenda-mode)
  97                     (org-agenda-do-context-action)))))
  98 (org-defkey org-columns-map [up]
  99             (lambda () (interactive)
 100               (let ((col (current-column)))
 101                 (beginning-of-line 0)
 102                 (while (and (org-invisible-p2) (not (bobp)))
 103                   (beginning-of-line 0))
 104                 (move-to-column col)
 105                 (if (eq major-mode 'org-agenda-mode)
 106                     (org-agenda-do-context-action)))))
 107 (org-defkey org-columns-map [(shift right)] 'org-columns-next-allowed-value)
 108 (org-defkey org-columns-map "n" 'org-columns-next-allowed-value)
 109 (org-defkey org-columns-map [(shift left)] 'org-columns-previous-allowed-value)
 110 (org-defkey org-columns-map "p" 'org-columns-previous-allowed-value)
 111 (org-defkey org-columns-map "<" 'org-columns-narrow)
 112 (org-defkey org-columns-map ">" 'org-columns-widen)
 113 (org-defkey org-columns-map [(meta right)] 'org-columns-move-right)
 114 (org-defkey org-columns-map [(meta left)] 'org-columns-move-left)
 115 (org-defkey org-columns-map [(shift meta right)] 'org-columns-new)
 116 (org-defkey org-columns-map [(shift meta left)] 'org-columns-delete)
 117 (dotimes (i 10)
 118   (org-defkey org-columns-map (number-to-string i)
 119               `(lambda () (interactive)
 120                  (org-columns-next-allowed-value nil ,i))))
 121
 122 (easy-menu-define org-columns-menu org-columns-map "Org Column Menu"
 123   '("Column"
 124     ["Edit property" org-columns-edit-value t]
 125     ["Next allowed value" org-columns-next-allowed-value t]
 126     ["Previous allowed value" org-columns-previous-allowed-value t]
 127     ["Show full value" org-columns-show-value t]
 128     ["Edit allowed values" org-columns-edit-allowed t]
 129     "--"
 130     ["Edit column attributes" org-columns-edit-attributes t]
 131     ["Increase column width" org-columns-widen t]
 132     ["Decrease column width" org-columns-narrow t]
 133     "--"
 134     ["Move column right" org-columns-move-right t]
 135     ["Move column left" org-columns-move-left t]
 136     ["Add column" org-columns-new t]
 137     ["Delete column" org-columns-delete t]
 138     "--"
 139     ["CONTENTS" org-columns-content t]
 140     ["OVERVIEW" org-overview t]
 141     ["Refresh columns display" org-columns-redo t]
 142     "--"
 143     ["Open link" org-columns-open-link t]
 144     "--"
 145     ["Quit" org-columns-quit t]))
 146
 147 (defun org-columns-new-overlay (beg end &optional string face)
 148   "Create a new column overlay and add it to the list."
 149   (let ((ov (org-make-overlay beg end)))
 150     (org-overlay-put ov 'face (or face 'secondary-selection))
 151     (org-overlay-display ov string face)
 152     (push ov org-columns-overlays)
 153     ov))
 154
 155 (defun org-columns-display-here (&optional props dateline)
 156   "Overlay the current line with column display."
 157   (interactive)
 158   (let* ((fmt org-columns-current-fmt-compiled)
 159          (beg (point-at-bol))
 160          (level-face (save-excursion
 161                        (beginning-of-line 1)
 162                        (and (looking-at "\\(\\**\\)\\(\\* \\)")
 163                             (org-get-level-face 2))))
 164          (ref-face (or level-face
 165                        (and (eq major-mode 'org-agenda-mode)
 166                             (get-text-property (point-at-bol) 'face))
 167                        'default))
 168          (color (list :foreground (face-attribute ref-face :foreground)))
 169          (face (list color 'org-column ref-face))
 170          (face1 (list color 'org-agenda-column-dateline ref-face))
 171          (pl (or (get-text-property (point-at-bol) 'prefix-length) 0))
 172          (cphr (get-text-property (point-at-bol) 'org-complex-heading-regexp))
 173          pom property ass width f string ov column val modval s2 title calc)
 174     ;; Check if the entry is in another buffer.
 175     (unless props
 176       (if (eq major-mode 'org-agenda-mode)
 177           (setq pom (or (org-get-at-bol 'org-hd-marker)
 178                         (org-get-at-bol 'org-marker))
 179                 props (if pom (org-entry-properties pom) nil))
 180         (setq props (org-entry-properties nil))))
 181     ;; Walk the format
 182     (while (setq column (pop fmt))
 183       (setq property (car column)
 184             title (nth 1 column)
 185             ass (if (equal property "ITEM")
 186                     (cons "ITEM"
 187                           (save-match-data
 188                             (org-no-properties
 189                              (org-remove-tabs
 190                               (buffer-substring-no-properties
 191                                (point-at-bol) (point-at-eol))))))
 192                   (assoc property props))
 193             width (or (cdr (assoc property org-columns-current-maxwidths))
 194                       (nth 2 column)
 195                       (length property))
 196             f (format "%%-%d.%ds | " width width)
 197             calc (nth 7 column)
 198             val (or (cdr ass) "")
 199             modval (cond ((and org-columns-modify-value-for-display-function
 200                                (functionp
 201                                 org-columns-modify-value-for-display-function))
 202                           (funcall org-columns-modify-value-for-display-function
 203                                    title val))
 204                          ((equal property "ITEM")
 205                           (if (org-mode-p)
 206                               (org-columns-cleanup-item
 207                                val org-columns-current-fmt-compiled)
 208                             (org-agenda-columns-cleanup-item
 209                              val pl cphr org-columns-current-fmt-compiled)))
 210                          ((and calc (functionp calc)
 211                                (not (string= val ""))
 212                                (not (get-text-property 0 'org-computed val)))
 213                           (org-columns-number-to-string
 214                            (funcall calc (org-columns-string-to-number
 215                                           val (nth 4 column)))
 216                            (nth 4 column)))))
 217       (setq s2 (org-columns-add-ellipses (or modval val) width))
 218       (setq string (format f s2))
 219       ;; Create the overlay
 220       (org-unmodified
 221        (setq ov (org-columns-new-overlay
 222                  beg (setq beg (1+ beg)) string (if dateline face1 face)))
 223        (org-overlay-put ov 'keymap org-columns-map)
 224        (org-overlay-put ov 'org-columns-key property)
 225        (org-overlay-put ov 'org-columns-value (cdr ass))
 226        (org-overlay-put ov 'org-columns-value-modified modval)
 227        (org-overlay-put ov 'org-columns-pom pom)
 228        (org-overlay-put ov 'org-columns-format f))
 229       (if (or (not (char-after beg))
 230               (equal (char-after beg) ?\n))
 231           (let ((inhibit-read-only t))
 232             (save-excursion
 233               (goto-char beg)
 234               (org-unmodified (insert " ")))))) ;; FIXME: add props and remove later?
 235       ;; Make the rest of the line disappear.
 236       (org-unmodified
 237        (setq ov (org-columns-new-overlay beg (point-at-eol)))
 238        (org-overlay-put ov 'invisible t)
 239        (org-overlay-put ov 'keymap org-columns-map)
 240        (org-overlay-put ov 'intangible t)
 241        (push ov org-columns-overlays)
 242        (setq ov (org-make-overlay (1- (point-at-eol)) (1+ (point-at-eol))))
 243        (org-overlay-put ov 'keymap org-columns-map)
 244        (push ov org-columns-overlays)
 245        (let ((inhibit-read-only t))
 246          (put-text-property (max (point-min) (1- (point-at-bol)))
 247                           (min (point-max) (1+ (point-at-eol)))
 248                           'read-only "Type `e' to edit property")))))
 249
 250 (defun org-columns-add-ellipses (string width)
 251   "Truncate STRING with WIDTH characters, with ellipses."
 252   (cond
 253    ((<= (length string) width) string)
 254    ((<= width (length org-columns-ellipses))
 255     (substring org-columns-ellipses 0 width))
 256    (t (concat (substring string 0 (- width (length org-columns-ellipses)))
 257               org-columns-ellipses))))
 258
 259 (defvar org-columns-full-header-line-format nil
 260   "The full header line format, will be shifted by horizontal scrolling." )
 261 (defvar org-previous-header-line-format nil
 262   "The header line format before column view was turned on.")
 263 (defvar org-columns-inhibit-recalculation nil
 264   "Inhibit recomputing of columns on column view startup.")
 265 (defvar org-columns-flyspell-was-active nil
 266   "Remember the state of `flyspell-mode' before column view.
 267 Flyspell-mode can cause problems in columns view, so it is turned off
 268 for the duration of the command.")
 269
 270 (defvar header-line-format)
 271 (defvar org-columns-previous-hscroll 0)
 272
 273 (defun org-columns-display-here-title ()
 274   "Overlay the newline before the current line with the table title."
 275   (interactive)
 276   (let ((fmt org-columns-current-fmt-compiled)
 277         string (title "")
 278         property width f column str widths)
 279     (while (setq column (pop fmt))
 280       (setq property (car column)
 281             str (or (nth 1 column) property)
 282             width (or (cdr (assoc property org-columns-current-maxwidths))
 283                       (nth 2 column)
 284                       (length str))
 285             widths (push width widths)
 286             f (format "%%-%d.%ds | " width width)
 287             string (format f str)
 288             title (concat title string)))
 289     (setq title (concat
 290                  (org-add-props " " nil 'display '(space :align-to 0))
 291                  ;;(org-add-props title nil 'face '(:weight bold :underline t :inherit default))))
 292                  (org-add-props title nil 'face 'org-column-title)))
 293     (org-set-local 'org-previous-header-line-format header-line-format)
 294     (org-set-local 'org-columns-current-widths (nreverse widths))
 295     (setq org-columns-full-header-line-format title)
 296     (setq org-columns-previous-hscroll -1)
 297 ;    (org-columns-hscoll-title)
 298     (org-add-hook 'post-command-hook 'org-columns-hscoll-title nil 'local)))
 299
 300 (defun org-columns-hscoll-title ()
 301   "Set the header-line-format so that it scrolls along with the table."
 302   (sit-for .0001) ; need to force a redisplay to update window-hscroll
 303   (when (not (= (window-hscroll) org-columns-previous-hscroll))
 304     (setq header-line-format
 305           (concat (substring org-columns-full-header-line-format 0 1)
 306                   (substring org-columns-full-header-line-format
 307                              (1+ (window-hscroll))))
 308           org-columns-previous-hscroll (window-hscroll))
 309     (force-mode-line-update)))
 310
 311 (defvar org-colview-initial-truncate-line-value nil
 312   "Remember the value of `truncate-lines' across colview.")
 313
 314 (defun org-columns-remove-overlays ()
 315   "Remove all currently active column overlays."
 316   (interactive)
 317   (when (marker-buffer org-columns-begin-marker)
 318     (with-current-buffer (marker-buffer org-columns-begin-marker)
 319       (when (local-variable-p 'org-previous-header-line-format)
 320         (setq header-line-format org-previous-header-line-format)
 321         (kill-local-variable 'org-previous-header-line-format)
 322         (remove-hook 'post-command-hook 'org-columns-hscoll-title 'local))
 323       (move-marker org-columns-begin-marker nil)
 324       (move-marker org-columns-top-level-marker nil)
 325       (org-unmodified
 326        (mapc 'org-delete-overlay org-columns-overlays)
 327        (setq org-columns-overlays nil)
 328        (let ((inhibit-read-only t))
 329          (remove-text-properties (point-min) (point-max) '(read-only t))))
 330       (when org-columns-flyspell-was-active
 331         (flyspell-mode 1))
 332       (when (local-variable-p 'org-colview-initial-truncate-line-value)
 333         (setq truncate-lines org-colview-initial-truncate-line-value)))))
 334
 335 (defun org-columns-cleanup-item (item fmt)
 336   "Remove from ITEM what is a column in the format FMT."
 337   (if (not org-complex-heading-regexp)
 338       item
 339     (when (string-match org-complex-heading-regexp item)
 340       (setq item
 341             (concat
 342              (org-add-props (match-string 1 item) nil
 343                'org-whitespace (* 2 (1- (org-reduced-level (- (match-end 1) (match-beginning 1))))))
 344              (and (match-end 2) (not (assoc "TODO" fmt)) (concat " " (match-string 2 item)))
 345              (and (match-end 3) (not (assoc "PRIORITY" fmt)) (concat " " (match-string 3 item)))
 346              " " (save-match-data (org-columns-compact-links (match-string 4 item)))
 347              (and (match-end 5) (not (assoc "TAGS" fmt)) (concat " " (match-string 5 item)))))
 348       (add-text-properties
 349        0 (1+ (match-end 1))
 350        (list 'org-whitespace (* 2 (1- (org-reduced-level (- (match-end 1) (match-beginning 1))))))
 351        item)
 352       item)))
 353
 354 (defun org-columns-compact-links (s)
 355   "Replace [[link][desc]] with [desc] or [link]."
 356   (while (string-match org-bracket-link-regexp s)
 357     (setq s (replace-match
 358              (concat "[" (match-string (if (match-end 3) 3 1) s) "]")
 359              t t s)))
 360   s)
 361
 362 (defvar org-agenda-columns-remove-prefix-from-item)
 363
 364 (defun org-agenda-columns-cleanup-item (item pl cphr fmt)
 365   "Cleanup the time property for agenda column view.
 366 See also the variable `org-agenda-columns-remove-prefix-from-item'."
 367   (let* ((org-complex-heading-regexp cphr)
 368          (prefix (substring item 0 pl))
 369          (rest (substring item pl))
 370          (fake (concat "* " rest))
 371          (cleaned (org-trim (substring (org-columns-cleanup-item fake fmt) 1))))
 372     (if org-agenda-columns-remove-prefix-from-item
 373         cleaned
 374       (concat prefix cleaned))))
 375
 376 (defun org-columns-show-value ()
 377   "Show the full value of the property."
 378   (interactive)
 379   (let ((value (get-char-property (point) 'org-columns-value)))
 380     (message "Value is: %s" (or value ""))))
 381
 382 (defvar org-agenda-columns-active) ;; defined in org-agenda.el
 383
 384 (defun org-columns-quit ()
 385   "Remove the column overlays and in this way exit column editing."
 386   (interactive)
 387   (org-unmodified
 388    (org-columns-remove-overlays)
 389    (let ((inhibit-read-only t))
 390      (remove-text-properties (point-min) (point-max) '(read-only t))))
 391   (when (eq major-mode 'org-agenda-mode)
 392     (setq org-agenda-columns-active nil)
 393     (message
 394      "Modification not yet reflected in Agenda buffer, use `r' to refresh")))
 395
 396 (defun org-columns-check-computed ()
 397   "Check if this column value is computed.
 398 If yes, throw an error indicating that changing it does not make sense."
 399   (let ((val (get-char-property (point) 'org-columns-value)))
 400     (when (and (stringp val)
 401                (get-char-property 0 'org-computed val))
 402       (error "This value is computed from the entry's children"))))
 403
 404 (defun org-columns-todo (&optional arg)
 405   "Change the TODO state during column view."
 406   (interactive "P")
 407   (org-columns-edit-value "TODO"))
 408
 409 (defun org-columns-set-tags-or-toggle (&optional arg)
 410   "Toggle checkbox at point, or set tags for current headline."
 411   (interactive "P")
 412   (if (string-match "\\`\\[[ xX-]\\]\\'"
 413                     (get-char-property (point) 'org-columns-value))
 414       (org-columns-next-allowed-value)
 415     (org-columns-edit-value "TAGS")))
 416
 417 (defun org-columns-edit-value (&optional key)
 418   "Edit the value of the property at point in column view.
 419 Where possible, use the standard interface for changing this line."
 420   (interactive)
 421   (org-columns-check-computed)
 422   (let* ((col (current-column))
 423          (key (or key (get-char-property (point) 'org-columns-key)))
 424          (value (get-char-property (point) 'org-columns-value))
 425          (bol (point-at-bol)) (eol (point-at-eol))
 426          (pom (or (get-text-property bol 'org-hd-marker)
 427                   (point))) ; keep despite of compiler waring
 428          (line-overlays
 429           (delq nil (mapcar (lambda (x)
 430                               (and (eq (overlay-buffer x) (current-buffer))
 431                                    (>= (overlay-start x) bol)
 432                                    (<= (overlay-start x) eol)
 433                                    x))
 434                             org-columns-overlays)))
 435          (org-columns-time (time-to-number-of-days (current-time)))
 436          nval eval allowed)
 437     (cond
 438      ((equal key "CLOCKSUM")
 439       (error "This special column cannot be edited"))
 440      ((equal key "ITEM")
 441       (setq eval '(org-with-point-at pom
 442                     (org-edit-headline))))
 443      ((equal key "TODO")
 444       (setq eval '(org-with-point-at
 445                    pom
 446                    (call-interactively 'org-todo))))
 447      ((equal key "PRIORITY")
 448       (setq eval '(org-with-point-at pom
 449                     (call-interactively 'org-priority))))
 450      ((equal key "TAGS")
 451       (setq eval '(org-with-point-at pom
 452                     (let ((org-fast-tag-selection-single-key
 453                            (if (eq org-fast-tag-selection-single-key 'expert)
 454                                t org-fast-tag-selection-single-key)))
 455                       (call-interactively 'org-set-tags)))))
 456      ((equal key "DEADLINE")
 457       (setq eval '(org-with-point-at pom
 458                     (call-interactively 'org-deadline))))
 459      ((equal key "SCHEDULED")
 460       (setq eval '(org-with-point-at pom
 461                     (call-interactively 'org-schedule))))
 462      (t
 463       (setq allowed (org-property-get-allowed-values pom key 'table))
 464       (if allowed
 465           (setq nval (org-icompleting-read "Value: " allowed nil t))
 466         (setq nval (read-string "Edit: " value)))
 467       (setq nval (org-trim nval))
 468       (when (not (equal nval value))
 469         (setq eval '(org-entry-put pom key nval)))))
 470     (when eval
 471
 472       (cond
 473        ((equal major-mode 'org-agenda-mode)
 474         (org-columns-eval eval)
 475         ;; The following let preserves the current format, and makes sure
 476         ;; that in only a single file things need to be upated.
 477         (let* ((org-agenda-overriding-columns-format org-columns-current-fmt)
 478                (buffer (marker-buffer pom))
 479                (org-agenda-contributing-files
 480                 (list (with-current-buffer buffer
 481                         (buffer-file-name (buffer-base-buffer))))))
 482           (org-agenda-columns)))
 483        (t
 484         (let ((inhibit-read-only t))
 485           (org-unmodified
 486            (remove-text-properties
 487             (max (point-min) (1- bol)) eol '(read-only t)))
 488           (unwind-protect
 489               (progn
 490                 (setq org-columns-overlays
 491                       (org-delete-all line-overlays org-columns-overlays))
 492                 (mapc 'org-delete-overlay line-overlays)
 493                 (org-columns-eval eval))
 494             (org-columns-display-here)))
 495         (org-move-to-column col)
 496         (if (and (org-mode-p)
 497                  (nth 3 (assoc key org-columns-current-fmt-compiled)))
 498             (org-columns-update key)))))))
 499
 500 (defun org-edit-headline () ; FIXME: this is not columns specific.  Make interactive?????  Use from agenda????
 501   "Edit the current headline, the part without TODO keyword, TAGS."
 502   (org-back-to-heading)
 503   (when (looking-at org-todo-line-regexp)
 504     (let ((pos (point))
 505           (pre (buffer-substring (match-beginning 0) (match-beginning 3)))
 506           (txt (match-string 3))
 507           (post "")
 508           txt2)
 509       (if (string-match (org-re "[ \t]+:[[:alnum:]:_@]+:[ \t]*$") txt)
 510           (setq post (match-string 0 txt)
 511                 txt (substring txt 0 (match-beginning 0))))
 512       (setq txt2 (read-string "Edit: " txt))
 513       (when (not (equal txt txt2))
 514         (goto-char pos)
 515         (insert pre txt2 post)
 516         (delete-region (point) (point-at-eol))
 517         (org-set-tags nil t)))))
 518
 519 (defun org-columns-edit-allowed ()
 520   "Edit the list of allowed values for the current property."
 521   (interactive)
 522   (let* ((pom (or (org-get-at-bol 'org-marker)
 523                   (org-get-at-bol 'org-hd-marker)
 524                   (point)))
 525          (key (get-char-property (point) 'org-columns-key))
 526          (key1 (concat key "_ALL"))
 527          (allowed (org-entry-get pom key1 t))
 528          nval)
 529     ;; FIXME: Cover editing TODO, TAGS etc in-buffer settings.????
 530     ;; FIXME: Write back to #+PROPERTY setting if that is needed.
 531     (setq nval (read-string "Allowed: " allowed))
 532     (org-entry-put
 533      (cond ((marker-position org-entry-property-inherited-from)
 534             org-entry-property-inherited-from)
 535            ((marker-position org-columns-top-level-marker)
 536             org-columns-top-level-marker)
 537            (t pom))
 538      key1 nval)))
 539
 540 (defun org-columns-eval (form)
 541   (let (hidep)
 542     (save-excursion
 543       (beginning-of-line 1)
 544       ;; `next-line' is needed here, because it skips invisible line.
 545       (condition-case nil (org-no-warnings (next-line 1)) (error nil))
 546       (setq hidep (org-on-heading-p 1)))
 547     (eval form)
 548     (and hidep (hide-entry))))
 549
 550 (defun org-columns-previous-allowed-value ()
 551   "Switch to the previous allowed value for this column."
 552   (interactive)
 553   (org-columns-next-allowed-value t))
 554
 555 (defun org-columns-next-allowed-value (&optional previous nth)
 556   "Switch to the next allowed value for this column.
 557 When PREVIOUS is set, go to the previous value.  When NTH is
 558 an integer, select that value."
 559   (interactive)
 560   (org-columns-check-computed)
 561   (let* ((col (current-column))
 562          (key (get-char-property (point) 'org-columns-key))
 563          (value (get-char-property (point) 'org-columns-value))
 564          (bol (point-at-bol)) (eol (point-at-eol))
 565          (pom (or (get-text-property bol 'org-hd-marker)
 566                   (point))) ; keep despite of compiler waring
 567          (line-overlays
 568           (delq nil (mapcar (lambda (x)
 569                               (and (eq (overlay-buffer x) (current-buffer))
 570                                    (>= (overlay-start x) bol)
 571                                    (<= (overlay-start x) eol)
 572                                    x))
 573                             org-columns-overlays)))
 574          (allowed (or (org-property-get-allowed-values pom key)
 575                       (and (memq
 576                             (nth 4 (assoc key org-columns-current-fmt-compiled))
 577                             '(checkbox checkbox-n-of-m checkbox-percent))
 578                            '("[ ]" "[X]"))
 579                       (org-colview-construct-allowed-dates value)))
 580          nval)
 581     (when (integerp nth)
 582       (setq nth (1- nth))
 583       (if (= nth -1) (setq nth 9)))
 584     (when (equal key "ITEM")
 585       (error "Cannot edit item headline from here"))
 586     (unless (or allowed (member key '("SCHEDULED" "DEADLINE")))
 587       (error "Allowed values for this property have not been defined"))
 588     (if (member key '("SCHEDULED" "DEADLINE"))
 589         (setq nval (if previous 'earlier 'later))
 590       (if previous (setq allowed (reverse allowed)))
 591       (cond
 592        (nth
 593         (setq nval (nth nth allowed))
 594         (if (not nval)
 595             (error "There are only %d allowed values for property `%s'"
 596                    (length allowed) key)))
 597        ((member value allowed)
 598         (setq nval (or (car (cdr (member value allowed)))
 599                        (car allowed)))
 600         (if (equal nval value)
 601             (error "Only one allowed value for this property")))
 602        (t (setq nval (car allowed)))))
 603     (cond
 604      ((equal major-mode 'org-agenda-mode)
 605       (org-columns-eval '(org-entry-put pom key nval))
 606       ;; The following let preserves the current format, and makes sure
 607       ;; that in only a single file things need to be upated.
 608       (let* ((org-agenda-overriding-columns-format org-columns-current-fmt)
 609              (buffer (marker-buffer pom))
 610              (org-agenda-contributing-files
 611               (list (with-current-buffer buffer
 612                       (buffer-file-name (buffer-base-buffer))))))
 613         (org-agenda-columns)))
 614      (t
 615       (let ((inhibit-read-only t))
 616         (remove-text-properties (1- bol) eol '(read-only t))
 617         (unwind-protect
 618             (progn
 619               (setq org-columns-overlays
 620                     (org-delete-all line-overlays org-columns-overlays))
 621               (mapc 'org-delete-overlay line-overlays)
 622               (org-columns-eval '(org-entry-put pom key nval)))
 623           (org-columns-display-here)))
 624       (org-move-to-column col)
 625       (and (nth 3 (assoc key org-columns-current-fmt-compiled))
 626            (org-columns-update key))))))
 627
 628 (defun org-colview-construct-allowed-dates (s)
 629   "Construct a list of three dates around the date in S.
 630 This respects the format of the time stamp in S, active or non-active,
 631 and also including time or not.  S must be just a time stamp, no text
 632 around it."
 633   (when (and s (string-match (concat "^" org-ts-regexp3 "$") s))
 634     (let* ((time (org-parse-time-string s 'nodefaults))
 635            (active (equal (string-to-char s) ?<))
 636            (fmt (funcall (if (nth 1 time) 'cdr 'car) org-time-stamp-formats))
 637            time-before time-after)
 638       (unless active (setq fmt (concat "[" (substring fmt 1 -1) "]")))
 639       (setf (car time) (or (car time) 0))
 640       (setf (nth 1 time) (or (nth 1 time) 0))
 641       (setf (nth 2 time) (or (nth 2 time) 0))
 642       (setq time-before (copy-sequence time))
 643       (setq time-after (copy-sequence time))
 644       (setf (nth 3 time-before) (1- (nth 3 time)))
 645       (setf (nth 3 time-after) (1+ (nth 3 time)))
 646       (mapcar (lambda (x) (format-time-string fmt (apply 'encode-time x)))
 647               (list time-before time time-after)))))
 648
 649 (defun org-verify-version (task)
 650   (cond
 651    ((eq task 'columns)
 652     (if (or (featurep 'xemacs)
 653             (< emacs-major-version 22))
 654         (error "Emacs 22 is required for the columns feature")))))
 655
 656 (defun org-columns-open-link (&optional arg)
 657   (interactive "P")
 658   (let ((value (get-char-property (point) 'org-columns-value)))
 659     (org-open-link-from-string value arg)))
 660
 661 (defun org-columns-get-format-and-top-level ()
 662   (let (fmt)
 663     (when (condition-case nil (org-back-to-heading) (error nil))
 664       (setq fmt (org-entry-get nil "COLUMNS" t)))
 665     (setq fmt (or fmt org-columns-default-format))
 666     (org-set-local 'org-columns-current-fmt fmt)
 667     (org-columns-compile-format fmt)
 668     (if (marker-position org-entry-property-inherited-from)
 669         (move-marker org-columns-top-level-marker
 670                      org-entry-property-inherited-from)
 671       (move-marker org-columns-top-level-marker (point)))
 672     fmt))
 673
 674 (defun org-columns ()
 675   "Turn on column view on an org-mode file."
 676   (interactive)
 677   (org-verify-version 'columns)
 678   (org-columns-remove-overlays)
 679   (move-marker org-columns-begin-marker (point))
 680   (let ((org-columns-time (time-to-number-of-days (current-time)))
 681         beg end fmt cache maxwidths)
 682     (setq fmt (org-columns-get-format-and-top-level))
 683     (save-excursion
 684       (goto-char org-columns-top-level-marker)
 685       (setq beg (point))
 686       (unless org-columns-inhibit-recalculation
 687         (org-columns-compute-all))
 688       (setq end (or (condition-case nil (org-end-of-subtree t t) (error nil))
 689                     (point-max)))
 690       ;; Get and cache the properties
 691       (goto-char beg)
 692       (when (assoc "CLOCKSUM" org-columns-current-fmt-compiled)
 693         (save-excursion
 694           (save-restriction
 695             (narrow-to-region beg end)
 696             (org-clock-sum))))
 697       (while (re-search-forward (concat "^" outline-regexp) end t)
 698         (if (and org-columns-skip-archived-trees
 699                  (looking-at (concat ".*:" org-archive-tag ":")))
 700             (org-end-of-subtree t)
 701           (push (cons (org-current-line) (org-entry-properties)) cache)))
 702       (when cache
 703         (setq maxwidths (org-columns-get-autowidth-alist fmt cache))
 704         (org-set-local 'org-columns-current-maxwidths maxwidths)
 705         (org-columns-display-here-title)
 706         (when (org-set-local 'org-columns-flyspell-was-active
 707                              (org-bound-and-true-p flyspell-mode))
 708           (flyspell-mode 0))
 709         (unless (local-variable-p 'org-colview-initial-truncate-line-value)
 710           (org-set-local 'org-colview-initial-truncate-line-value
 711                          truncate-lines))
 712         (setq truncate-lines t)
 713         (mapc (lambda (x)
 714                 (org-goto-line (car x))
 715                 (org-columns-display-here (cdr x)))
 716               cache)))))
 717
 718 (eval-when-compile (defvar org-columns-time))
 719
 720 (defvar org-columns-compile-map
 721   '(("none" none +)
 722     (":" add_times +)
 723     ("+" add_numbers +)
 724     ("$" currency +)
 725     ("X" checkbox +)
 726     ("X/" checkbox-n-of-m +)
 727     ("X%" checkbox-percent +)
 728     ("max" max_numbers max)
 729     ("min" min_numbers min)
 730     ("mean" mean_numbers
 731      (lambda (&rest x) (/ (apply '+ x) (float (length x)))))
 732     (":max" max_times max)
 733     (":min" min_times min)
 734     (":mean" mean_times
 735      (lambda (&rest x) (/ (apply '+ x) (float (length x)))))
 736     ("@min" min_age min (lambda (x) (- org-columns-time x)))
 737     ("@max" max_age max (lambda (x) (- org-columns-time x)))
 738     ("@mean" mean_age
 739      (lambda (&rest x) (/ (apply '+ x) (float (length x))))
 740      (lambda (x) (- org-columns-time x))))
 741   "Operator <-> format,function,calc  map.
 742 Used to compile/uncompile columns format and completing read in
 743 interactive function org-columns-new.
 744
 745 operator    string used in #+COLUMNS definition describing the
 746             summary type
 747 format      symbol describing summary type selected interactively in
 748             org-columns-new and internally in
 749             org-columns-number-to-string and
 750             org-columns-string-to-number
 751 function    called with a list of values as argument to calculate
 752             the summary value
 753 calc        function called on every element before summarizing. This is
 754             optional and should only be specified if needed")
 755
 756 (defun org-columns-new (&optional prop title width op fmt fun &rest rest)
 757   "Insert a new column, to the left of the current column."
 758   (interactive)
 759   (let ((editp (and prop (assoc prop org-columns-current-fmt-compiled)))
 760         cell)
 761     (setq prop (org-icompleting-read
 762                 "Property: " (mapcar 'list (org-buffer-property-keys t nil t))
 763                 nil nil prop))
 764     (setq title (read-string (concat "Column title [" prop "]: ") (or title prop)))
 765     (setq width (read-string "Column width: " (if width (number-to-string width))))
 766     (if (string-match "\\S-" width)
 767         (setq width (string-to-number width))
 768       (setq width nil))
 769     (setq fmt (org-icompleting-read
 770                "Summary [none]: "
 771                (mapcar (lambda (x) (list (symbol-name (cadr x))))
 772                        org-columns-compile-map)
 773                nil t))
 774     (setq fmt (intern fmt)
 775           fun (cdr (assoc fmt (mapcar 'cdr org-columns-compile-map))))
 776     (if (eq fmt 'none) (setq fmt nil))
 777     (if editp
 778         (progn
 779           (setcar editp prop)
 780           (setcdr editp (list title width nil fmt nil fun)))
 781       (setq cell (nthcdr (1- (current-column))
 782                          org-columns-current-fmt-compiled))
 783       (setcdr cell (cons (list prop title width nil fmt nil
 784                                (car fun) (cadr fun))
 785                          (cdr cell))))
 786     (org-columns-store-format)
 787     (org-columns-redo)))
 788
 789 (defun org-columns-delete ()
 790   "Delete the column at point from columns view."
 791   (interactive)
 792   (let* ((n (current-column))
 793          (title (nth 1 (nth n org-columns-current-fmt-compiled))))
 794     (when (y-or-n-p
 795            (format "Are you sure you want to remove column \"%s\"? " title))
 796       (setq org-columns-current-fmt-compiled
 797             (delq (nth n org-columns-current-fmt-compiled)
 798                   org-columns-current-fmt-compiled))
 799       (org-columns-store-format)
 800       (org-columns-redo)
 801       (if (>= (current-column) (length org-columns-current-fmt-compiled))
 802           (backward-char 1)))))
 803
 804 (defun org-columns-edit-attributes ()
 805   "Edit the attributes of the current column."
 806   (interactive)
 807   (let* ((n (current-column))
 808          (info (nth n org-columns-current-fmt-compiled)))
 809     (apply 'org-columns-new info)))
 810
 811 (defun org-columns-widen (arg)
 812   "Make the column wider by ARG characters."
 813   (interactive "p")
 814   (let* ((n (current-column))
 815          (entry (nth n org-columns-current-fmt-compiled))
 816          (width (or (nth 2 entry)
 817                     (cdr (assoc (car entry) org-columns-current-maxwidths)))))
 818     (setq width (max 1 (+ width arg)))
 819     (setcar (nthcdr 2 entry) width)
 820     (org-columns-store-format)
 821     (org-columns-redo)))
 822
 823 (defun org-columns-narrow (arg)
 824   "Make the column narrower by ARG characters."
 825   (interactive "p")
 826   (org-columns-widen (- arg)))
 827
 828 (defun org-columns-move-right ()
 829   "Swap this column with the one to the right."
 830   (interactive)
 831   (let* ((n (current-column))
 832          (cell (nthcdr n org-columns-current-fmt-compiled))
 833          e)
 834     (when (>= n (1- (length org-columns-current-fmt-compiled)))
 835       (error "Cannot shift this column further to the right"))
 836     (setq e (car cell))
 837     (setcar cell (car (cdr cell)))
 838     (setcdr cell (cons e (cdr (cdr cell))))
 839     (org-columns-store-format)
 840     (org-columns-redo)
 841     (forward-char 1)))
 842
 843 (defun org-columns-move-left ()
 844   "Swap this column with the one to the left."
 845   (interactive)
 846   (let* ((n (current-column)))
 847     (when (= n 0)
 848       (error "Cannot shift this column further to the left"))
 849     (backward-char 1)
 850     (org-columns-move-right)
 851     (backward-char 1)))
 852
 853 (defun org-columns-store-format ()
 854   "Store the text version of the current columns format in appropriate place.
 855 This is either in the COLUMNS property of the node starting the current column
 856 display, or in the #+COLUMNS line of the current buffer."
 857   (let (fmt (cnt 0))
 858     (setq fmt (org-columns-uncompile-format org-columns-current-fmt-compiled))
 859     (org-set-local 'org-columns-current-fmt fmt)
 860     (if (marker-position org-columns-top-level-marker)
 861         (save-excursion
 862           (goto-char org-columns-top-level-marker)
 863           (if (and (org-at-heading-p)
 864                    (org-entry-get nil "COLUMNS"))
 865               (org-entry-put nil "COLUMNS" fmt)
 866             (goto-char (point-min))
 867             ;; Overwrite all #+COLUMNS lines....
 868             (while (re-search-forward "^#\\+COLUMNS:.*" nil t)
 869               (setq cnt (1+ cnt))
 870               (replace-match (concat "#+COLUMNS: " fmt) t t))
 871             (unless (> cnt 0)
 872               (goto-char (point-min))
 873               (or (org-on-heading-p t) (outline-next-heading))
 874               (let ((inhibit-read-only t))
 875                 (insert-before-markers "#+COLUMNS: " fmt "\n")))
 876             (org-set-local 'org-columns-default-format fmt))))))
 877
 878 (defvar org-agenda-overriding-columns-format nil
 879   "When set, overrides any other format definition for the agenda.
 880 Don't set this, this is meant for dynamic scoping.")
 881
 882 (defun org-columns-get-autowidth-alist (s cache)
 883   "Derive the maximum column widths from the format and the cache."
 884   (let ((start 0) rtn)
 885     (while (string-match (org-re "%\\([[:alpha:]][[:alnum:]_-]*\\)") s start)
 886       (push (cons (match-string 1 s) 1) rtn)
 887       (setq start (match-end 0)))
 888     (mapc (lambda (x)
 889             (setcdr x (apply 'max
 890                              (mapcar
 891                               (lambda (y)
 892                                 (length (or (cdr (assoc (car x) (cdr y))) " ")))
 893                               cache))))
 894           rtn)
 895     rtn))
 896
 897 (defun org-columns-compute-all ()
 898   "Compute all columns that have operators defined."
 899   (org-unmodified
 900    (remove-text-properties (point-min) (point-max) '(org-summaries t)))
 901   (let ((columns org-columns-current-fmt-compiled)
 902         (org-columns-time (time-to-number-of-days (current-time)))
 903         col)
 904     (while (setq col (pop columns))
 905       (when (nth 3 col)
 906         (save-excursion
 907           (org-columns-compute (car col)))))))
 908
 909 (defun org-columns-update (property)
 910   "Recompute PROPERTY, and update the columns display for it."
 911   (org-columns-compute property)
 912   (let (fmt val pos)
 913     (save-excursion
 914       (mapc (lambda (ov)
 915               (when (equal (org-overlay-get ov 'org-columns-key) property)
 916                 (setq pos (org-overlay-start ov))
 917                 (goto-char pos)
 918                 (when (setq val (cdr (assoc property
 919                                             (get-text-property
 920                                              (point-at-bol) 'org-summaries))))
 921                   (setq fmt (org-overlay-get ov 'org-columns-format))
 922                   (org-overlay-put ov 'org-columns-value val)
 923                   (org-overlay-put ov 'display (format fmt val)))))
 924             org-columns-overlays))))
 925
 926 (defun org-columns-compute (property)
 927   "Sum the values of property PROPERTY hierarchically, for the entire buffer."
 928   (interactive)
 929   (let* ((re (concat "^" outline-regexp))
 930          (lmax 30) ; Does anyone use deeper levels???
 931          (lvals (make-vector lmax nil))
 932          (lflag (make-vector lmax nil))
 933          (level 0)
 934          (ass (assoc property org-columns-current-fmt-compiled))
 935          (format (nth 4 ass))
 936          (printf (nth 5 ass))
 937          (fun (nth 6 ass))
 938          (calc (or (nth 7 ass) 'identity))
 939          (beg org-columns-top-level-marker)
 940          last-level val valflag flag end sumpos sum-alist sum str str1 useval)
 941     (save-excursion
 942       ;; Find the region to compute
 943       (goto-char beg)
 944       (setq end (condition-case nil (org-end-of-subtree t) (error (point-max))))
 945       (goto-char end)
 946       ;; Walk the tree from the back and do the computations
 947       (while (re-search-backward re beg t)
 948         (setq sumpos (match-beginning 0)
 949               last-level level
 950               level (org-outline-level)
 951               val (org-entry-get nil property)
 952               valflag (and val (string-match "\\S-" val)))
 953         (cond
 954          ((< level last-level)
 955           ;; put the sum of lower levels here as a property
 956           (setq sum (when (aref lvals last-level)
 957                       (apply fun (aref lvals last-level)))
 958                 flag (aref lflag last-level) ; any valid entries from children?
 959                 str (org-columns-number-to-string sum format printf)
 960                 str1 (org-add-props (copy-sequence str) nil 'org-computed t 'face 'bold)
 961                 useval (if flag str1 (if valflag val ""))
 962                 sum-alist (get-text-property sumpos 'org-summaries))
 963           (if (assoc property sum-alist)
 964               (setcdr (assoc property sum-alist) useval)
 965             (push (cons property useval) sum-alist)
 966             (org-unmodified
 967              (add-text-properties sumpos (1+ sumpos)
 968                                   (list 'org-summaries sum-alist))))
 969           (when (and val (not (equal val (if flag str val))))
 970             (org-entry-put nil property (if flag str val)))
 971           ;; add current to current level accumulator
 972           (when (or flag valflag)
 973             (push (if flag
 974                       sum
 975                     (funcall calc (org-columns-string-to-number
 976                                    (if flag str val) format)))
 977                   (aref lvals level))
 978             (aset lflag level t))
 979           ;; clear accumulators for deeper levels
 980           (loop for l from (1+ level) to (1- lmax) do
 981                 (aset lvals l nil)
 982                 (aset lflag l nil)))
 983          ((>= level last-level)
 984           ;; add what we have here to the accumulator for this level
 985           (when valflag
 986             (push (funcall calc (org-columns-string-to-number val format))
 987                   (aref lvals level))
 988             (aset lflag level t)))
 989          (t (error "This should not happen")))))))
 990
 991 (defun org-columns-redo ()
 992   "Construct the column display again."
 993   (interactive)
 994   (message "Recomputing columns...")
 995   (let ((line (org-current-line))
 996         (col (current-column)))
 997     (save-excursion
 998       (if (marker-position org-columns-begin-marker)
 999           (goto-char org-columns-begin-marker))
1000       (org-columns-remove-overlays)
1001       (if (org-mode-p)
1002           (call-interactively 'org-columns)
1003         (org-agenda-redo)
1004         (call-interactively 'org-agenda-columns)))
1005     (org-goto-line line)
1006     (move-to-column col))
1007   (message "Recomputing columns...done"))
1008
1009 (defun org-columns-not-in-agenda ()
1010   (if (eq major-mode 'org-agenda-mode)
1011       (error "This command is only allowed in Org-mode buffers")))
1012
1013 (defun org-string-to-number (s)
1014   "Convert string to number, and interpret hh:mm:ss."
1015   (if (not (string-match ":" s))
1016       (string-to-number s)
1017     (let ((l (nreverse (org-split-string s ":"))) (sum 0.0))
1018       (while l
1019         (setq sum (+ (string-to-number (pop l)) (/ sum 60))))
1020       sum)))
1021
1022 (defun org-columns-number-to-string (n fmt &optional printf)
1023   "Convert a computed column number to a string value, according to FMT."
1024   (cond
1025    ((not (numberp n)) "")
1026    ((memq fmt '(add_times max_times min_times mean_times))
1027     (let* ((h (floor n)) (m (floor (+ 0.5 (* 60 (- n h))))))
1028       (format org-time-clocksum-format h m)))
1029    ((eq fmt 'checkbox)
1030     (cond ((= n (floor n)) "[X]")
1031           ((> n 1.) "[-]")
1032           (t "[ ]")))
1033    ((memq fmt '(checkbox-n-of-m checkbox-percent))
1034     (let* ((n1 (floor n)) (n2 (floor (+ .5 (* 1000000 (- n n1))))))
1035       (org-nofm-to-completion n1 (+ n2 n1) (eq fmt 'checkbox-percent))))
1036    (printf (format printf n))
1037    ((eq fmt 'currency)
1038     (format "%.2f" n))
1039    ((memq fmt '(min_age max_age mean_age))
1040     (org-format-time-period n))
1041    (t (number-to-string n))))
1042
1043 (defun org-nofm-to-completion (n m &optional percent)
1044   (if (not percent)
1045       (format "[%d/%d]" n m)
1046     (format "[%d%%]"(floor (+ 0.5 (* 100. (/ (* 1.0 n) m)))))))
1047
1048 (defun org-columns-string-to-number (s fmt)
1049   "Convert a column value to a number that can be used for column computing."
1050   (if s
1051       (cond
1052        ((memq fmt '(min_age max_age mean_age))
1053         (cond ((string= s "") org-columns-time)
1054               ((string-match
1055                 "\\([0-9]+\\)d \\([0-9]+\\)h \\([0-9]+\\)m \\([0-9]+\\)s"
1056                 s)
1057                (+ (* 60 (+ (* 60 (+ (* 24 (string-to-number (match-string 1 s)))
1058                                     (string-to-number (match-string 2 s))))
1059                            (string-to-number (match-string 3 s))))
1060                   (string-to-number (match-string 4 s))))
1061               (t (time-to-number-of-days (apply 'encode-time
1062                                                 (org-parse-time-string s t))))))
1063        ((string-match ":" s)
1064         (let ((l (nreverse (org-split-string s ":"))) (sum 0.0))
1065           (while l
1066             (setq sum (+ (string-to-number (pop l)) (/ sum 60))))
1067           sum))
1068        ((memq fmt '(checkbox checkbox-n-of-m checkbox-percent))
1069         (if (equal s "[X]") 1. 0.000001))
1070        (t (string-to-number s)))))
1071
1072 (defun org-columns-uncompile-format (cfmt)
1073   "Turn the compiled columns format back into a string representation."
1074   (let ((rtn "") e s prop title op op-match width fmt printf fun calc)
1075     (while (setq e (pop cfmt))
1076       (setq prop (car e)
1077             title (nth 1 e)
1078             width (nth 2 e)
1079             op (nth 3 e)
1080             fmt (nth 4 e)
1081             printf (nth 5 e)
1082             fun (nth 6 e)
1083             calc (nth 7 e))
1084       (when (setq op-match (rassoc (list fmt fun calc) org-columns-compile-map))
1085         (setq op (car op-match)))
1086       (if (and op printf) (setq op (concat op ";" printf)))
1087       (if (equal title prop) (setq title nil))
1088       (setq s (concat "%" (if width (number-to-string width))
1089                       prop
1090                       (if title (concat "(" title ")"))
1091                       (if op (concat "{" op "}"))))
1092       (setq rtn (concat rtn " " s)))
1093     (org-trim rtn)))
1094
1095 (defun org-columns-compile-format (fmt)
1096   "Turn a column format string into an alist of specifications.
1097 The alist has one entry for each column in the format.  The elements of
1098 that list are:
1099 property     the property
1100 title        the title field for the columns
1101 width        the column width in characters, can be nil for automatic
1102 operator     the operator if any
1103 format       the output format for computed results, derived from operator
1104 printf       a printf format for computed values
1105 fun          the lisp function to compute summary values, derived from operator
1106 calc         function to get values from base elements
1107 "
1108   (let ((start 0) width prop title op op-match f printf fun calc)
1109     (setq org-columns-current-fmt-compiled nil)
1110     (while (string-match
1111             (org-re "%\\([0-9]+\\)?\\([[:alnum:]_-]+\\)\\(?:(\\([^)]+\\))\\)?\\(?:{\\([^}]+\\)}\\)?\\s-*")
1112             fmt start)
1113       (setq start (match-end 0)
1114             width (match-string 1 fmt)
1115             prop (match-string 2 fmt)
1116             title (or (match-string 3 fmt) prop)
1117             op (match-string 4 fmt)
1118             f nil
1119             printf nil
1120             fun '+
1121             calc nil)
1122       (if width (setq width (string-to-number width)))
1123       (when (and op (string-match ";" op))
1124         (setq printf (substring op (match-end 0))
1125               op (substring op 0 (match-beginning 0))))
1126       (when (setq op-match (assoc op org-columns-compile-map))
1127         (setq f (cadr op-match)
1128               fun (caddr op-match)
1129               calc (cadddr op-match)))
1130       (push (list prop title width op f printf fun calc)
1131             org-columns-current-fmt-compiled))
1132     (setq org-columns-current-fmt-compiled
1133           (nreverse org-columns-current-fmt-compiled))))
1134
1135
1136 ;;; Dynamic block for Column view
1137
1138 (defun org-columns-capture-view (&optional maxlevel skip-empty-rows)
1139   "Get the column view of the current buffer or subtree.
1140 The first optional argument MAXLEVEL sets the level limit.  A
1141 second optional argument SKIP-EMPTY-ROWS tells whether to skip
1142 empty rows, an empty row being one where all the column view
1143 specifiers except ITEM are empty.  This function returns a list
1144 containing the title row and all other rows.  Each row is a list
1145 of fields."
1146   (save-excursion
1147     (let* ((title (mapcar 'cadr org-columns-current-fmt-compiled))
1148            (re-comment (concat "\\*+[ \t]+" org-comment-string "\\>"))
1149            (re-archive (concat ".*:" org-archive-tag ":"))
1150            (n (length title)) row tbl)
1151       (goto-char (point-min))
1152       (while (re-search-forward "^\\(\\*+\\) " nil t)
1153         (catch 'next
1154           (when (and (or (null maxlevel)
1155                          (>= maxlevel
1156                              (if org-odd-levels-only
1157                                  (/ (1+ (length (match-string 1))) 2)
1158                                (length (match-string 1)))))
1159                      (get-char-property (match-beginning 0) 'org-columns-key))
1160             (when (save-excursion
1161                     (goto-char (point-at-bol))
1162                     (or (looking-at re-comment)
1163                         (looking-at re-archive)))
1164               (org-end-of-subtree t)
1165               (throw 'next t))
1166             (setq row nil)
1167             (loop for i from 0 to (1- n) do
1168                   (push
1169                    (org-quote-vert
1170                     (or (get-char-property (+ (match-beginning 0) i) 'org-columns-value-modified)
1171                         (get-char-property (+ (match-beginning 0) i) 'org-columns-value)
1172                         ""))
1173                    row))
1174             (setq row (nreverse row))
1175             (unless (and skip-empty-rows
1176                          (eq 1 (length (delete "" (delete-dups (copy-sequence row))))))
1177               (push row tbl)))))
1178       (append (list title 'hline) (nreverse tbl)))))
1179
1180 (defun org-dblock-write:columnview (params)
1181   "Write the column view table.
1182 PARAMS is a property list of parameters:
1183
1184 :width    enforce same column widths with <N> specifiers.
1185 :id       the :ID: property of the entry where the columns view
1186           should be built.  When the symbol `local', call locally.
1187           When `global' call column view with the cursor at the beginning
1188           of the buffer (usually this means that the whole buffer switches
1189           to column view).  When \"file:path/to/file.org\", invoke column
1190           view at the start of that file.  Otherwise, the ID is located
1191           using `org-id-find'.
1192 :hlines   When t, insert a hline before each item.  When a number, insert
1193           a hline before each level <= that number.
1194 :vlines   When t, make each column a colgroup to enforce vertical lines.
1195 :maxlevel When set to a number, don't capture headlines below this level.
1196 :skip-empty-rows
1197           When t, skip rows where all specifiers other than ITEM are empty."
1198   (let ((pos (move-marker (make-marker) (point)))
1199         (hlines (plist-get params :hlines))
1200         (vlines (plist-get params :vlines))
1201         (maxlevel (plist-get params :maxlevel))
1202         (content-lines (org-split-string (plist-get params :content) "\n"))
1203         (skip-empty-rows (plist-get params :skip-empty-rows))
1204         tbl id idpos nfields tmp recalc line
1205         id-as-string view-file view-pos)
1206     (when (setq id (plist-get params :id))
1207       (setq id-as-string (cond ((numberp id) (number-to-string id))
1208                                ((symbolp id) (symbol-name id))
1209                                ((stringp id) id)
1210                                (t "")))
1211       (cond ((not id) nil)
1212             ((eq id 'global) (setq view-pos (point-min)))
1213             ((eq id 'local))
1214             ((string-match "^file:\\(.*\\)" id-as-string)
1215              (setq view-file (match-string 1 id-as-string)
1216                    view-pos 1)
1217              (unless (file-exists-p view-file)
1218                (error "No such file: \"%s\"" id-as-string)))
1219             ((setq idpos (org-find-entry-with-id id))
1220              (setq view-pos idpos))
1221             ((setq idpos (org-id-find id))
1222              (setq view-file (car idpos))
1223              (setq view-pos (cdr idpos)))
1224             (t (error "Cannot find entry with :ID: %s" id))))
1225     (with-current-buffer (if view-file
1226                              (get-file-buffer view-file)
1227                            (current-buffer))
1228       (save-excursion
1229         (save-restriction
1230           (widen)
1231           (goto-char (or view-pos (point)))
1232           (org-columns)
1233           (setq tbl (org-columns-capture-view maxlevel skip-empty-rows))
1234           (setq nfields (length (car tbl)))
1235           (org-columns-quit))))
1236     (goto-char pos)
1237     (move-marker pos nil)
1238     (when tbl
1239       (when (plist-get params :hlines)
1240         (setq tmp nil)
1241         (while tbl
1242           (if (eq (car tbl) 'hline)
1243               (push (pop tbl) tmp)
1244             (if (string-match "\\` *\\(\\*+\\)" (caar tbl))
1245                 (if (and (not (eq (car tmp) 'hline))
1246                          (or (eq hlines t)
1247                              (and (numberp hlines)
1248                                   (<= (- (match-end 1) (match-beginning 1))
1249                                       hlines))))
1250                     (push 'hline tmp)))
1251             (push (pop tbl) tmp)))
1252         (setq tbl (nreverse tmp)))
1253       (when vlines
1254         (setq tbl (mapcar (lambda (x)
1255                             (if (eq 'hline x) x (cons "" x)))
1256                           tbl))
1257         (setq tbl (append tbl (list (cons "/" (make-list nfields "<>"))))))
1258       (setq pos (point))
1259       (when content-lines
1260         (while (string-match "^#" (car content-lines))
1261           (insert (pop content-lines) "\n")))
1262       (insert (org-listtable-to-string tbl))
1263       (when (plist-get params :width)
1264         (insert "\n|" (mapconcat (lambda (x) (format "<%d>" (max 3 x)))
1265                                  org-columns-current-widths "|")))
1266       (while (setq line (pop content-lines))
1267         (when (string-match "^#" line)
1268           (insert "\n" line)
1269           (when (string-match "^[ \t]*#\\+TBLFM" line)
1270             (setq recalc t))))
1271       (if recalc
1272           (progn (goto-char pos) (org-table-recalculate 'all))
1273         (goto-char pos)
1274         (org-table-align)))))
1275
1276 (defun org-listtable-to-string (tbl)
1277   "Convert a listtable TBL to a string that contains the Org-mode table.
1278 The table still need to be aligned.  The resulting string has no leading
1279 and tailing newline characters."
1280   (mapconcat
1281    (lambda (x)
1282      (cond
1283       ((listp x)
1284        (concat "|" (mapconcat 'identity x "|") "|"))
1285       ((eq x 'hline) "|-|")
1286       (t (error "Garbage in listtable: %s" x))))
1287    tbl "\n"))
1288
1289 (defun org-insert-columns-dblock ()
1290   "Create a dynamic block capturing a column view table."
1291   (interactive)
1292   (let ((defaults '(:name "columnview" :hlines 1))
1293         (id (org-icompleting-read
1294              "Capture columns (local, global, entry with :ID: property) [local]: "
1295              (append '(("global") ("local"))
1296                      (mapcar 'list (org-property-values "ID"))))))
1297     (if (equal id "") (setq id 'local))
1298     (if (equal id "global") (setq id 'global))
1299     (setq defaults (append defaults (list :id id)))
1300     (org-create-dblock defaults)
1301     (org-update-dblock)))
1302
1303 ;;; Column view in the agenda
1304
1305 (defvar org-agenda-view-columns-initially nil
1306   "When set, switch to columns view immediately after creating the agenda.")
1307
1308 (defvar org-agenda-columns-show-summaries) ; defined in org-agenda.el
1309 (defvar org-agenda-columns-compute-summary-properties); defined in org-agenda.el
1310 (defvar org-agenda-columns-add-appointments-to-effort-sum); as well
1311
1312 (defun org-agenda-columns ()
1313   "Turn on or update column view in the agenda."
1314   (interactive)
1315   (org-verify-version 'columns)
1316   (org-columns-remove-overlays)
1317   (move-marker org-columns-begin-marker (point))
1318   (let ((org-columns-time (time-to-number-of-days (current-time)))
1319          cache maxwidths m p a d fmt)
1320     (cond
1321      ((and (boundp 'org-agenda-overriding-columns-format)
1322            org-agenda-overriding-columns-format)
1323       (setq fmt org-agenda-overriding-columns-format)
1324       (org-set-local 'org-agenda-overriding-columns-format fmt))
1325      ((setq m (org-get-at-bol 'org-hd-marker))
1326       (setq fmt (or (org-entry-get m "COLUMNS" t)
1327                     (with-current-buffer (marker-buffer m)
1328                       org-columns-default-format))))
1329      ((and (boundp 'org-columns-current-fmt)
1330            (local-variable-p 'org-columns-current-fmt)
1331            org-columns-current-fmt)
1332       (setq fmt org-columns-current-fmt))
1333      ((setq m (next-single-property-change (point-min) 'org-hd-marker))
1334       (setq m (get-text-property m 'org-hd-marker))
1335       (setq fmt (or (org-entry-get m "COLUMNS" t)
1336                     (with-current-buffer (marker-buffer m)
1337                       org-columns-default-format)))))
1338     (setq fmt (or fmt org-columns-default-format))
1339     (org-set-local 'org-columns-current-fmt fmt)
1340     (org-columns-compile-format fmt)
1341     (when org-agenda-columns-compute-summary-properties
1342       (org-agenda-colview-compute org-columns-current-fmt-compiled))
1343     (save-excursion
1344       ;; Get and cache the properties
1345       (goto-char (point-min))
1346       (while (not (eobp))
1347         (when (setq m (or (org-get-at-bol 'org-hd-marker)
1348                           (org-get-at-bol 'org-marker)))
1349           (setq p (org-entry-properties m))
1350
1351           (when (or (not (setq a (assoc org-effort-property p)))
1352                          (not (string-match "\\S-" (or (cdr a) ""))))
1353             ;; OK, the property is not defined.  Use appointment duration?
1354             (when (and org-agenda-columns-add-appointments-to-effort-sum
1355                        (setq d (get-text-property (point) 'duration)))
1356               (setq d (org-minutes-to-hh:mm-string d))
1357               (put-text-property 0 (length d) 'face 'org-warning d)
1358               (push (cons org-effort-property d) p)))
1359           (push (cons (org-current-line) p) cache))
1360         (beginning-of-line 2))
1361       (when cache
1362         (setq maxwidths (org-columns-get-autowidth-alist fmt cache))
1363         (org-set-local 'org-columns-current-maxwidths maxwidths)
1364         (org-columns-display-here-title)
1365         (when (org-set-local 'org-columns-flyspell-was-active
1366                              (org-bound-and-true-p flyspell-mode))
1367           (flyspell-mode 0))
1368         (mapc (lambda (x)
1369                 (org-goto-line (car x))
1370                 (org-columns-display-here (cdr x)))
1371               cache)
1372         (when org-agenda-columns-show-summaries
1373           (org-agenda-colview-summarize cache))))))
1374
1375 (defun org-agenda-colview-summarize (cache)
1376   "Summarize the summarizable columns in column view in the agenda.
1377 This will add overlays to the date lines, to show the summary for each day."
1378   (let* ((fmt (mapcar (lambda (x)
1379                         (if (equal (car x) "CLOCKSUM")
1380                             (list "CLOCKSUM" (nth 2 x) nil 'add_times nil '+ 'identity)
1381                           (cdr x)))
1382                       org-columns-current-fmt-compiled))
1383          line c c1 stype calc sumfunc props lsum entries prop v)
1384     (catch 'exit
1385       (when (delq nil (mapcar 'cadr fmt))
1386         ;; OK, at least one summation column, it makes sense to try this
1387         (goto-char (point-max))
1388         (while t
1389           (when (or (get-text-property (point) 'org-date-line)
1390                     (eq (get-text-property (point) 'face)
1391                         'org-agenda-structure))
1392             ;; OK, this is a date line that should be used
1393             (setq line (org-current-line))
1394             (setq entries nil c cache cache nil)
1395             (while (setq c1 (pop c))
1396               (if (> (car c1) line)
1397                   (push c1 entries)
1398                 (push c1 cache)))
1399             ;; now ENTRIES are the ones we want to use, CACHE is the rest
1400             ;; Compute the summaries for the properties we want,
1401             ;; set nil properties for the rest.
1402             (when (setq entries (mapcar 'cdr entries))
1403               (setq props
1404                     (mapcar
1405                      (lambda (f)
1406                        (setq prop (car f)
1407                              stype (nth 3 f)
1408                              sumfunc (nth 5 f)
1409                              calc (or (nth 6 f) 'identity))
1410                        (cond
1411                         ((equal prop "ITEM")
1412                          (cons prop (buffer-substring (point-at-bol)
1413                                                       (point-at-eol))))
1414                         ((not stype) (cons prop ""))
1415                         (t ;; do the summary
1416                          (setq lsum nil)
1417                          (dolist (x entries)
1418                            (setq v (cdr (assoc prop x)))
1419                            (if v
1420                                (push
1421                                 (funcall
1422                                  (if (not (get-text-property 0 'org-computed v))
1423                                      calc
1424                                    'identity)
1425                                  (org-columns-string-to-number
1426                                   v stype))
1427                                 lsum)))
1428                          (setq lsum (remove nil lsum))
1429                          (setq lsum
1430                                (cond ((> (length lsum) 1)
1431                                       (org-columns-number-to-string
1432                                        (apply sumfunc lsum) stype))
1433                                      ((eq (length lsum) 1)
1434                                       (org-columns-number-to-string
1435                                        (car lsum) stype))
1436                                      (t "")))
1437                          (put-text-property 0 (length lsum) 'face 'bold lsum)
1438                          (unless (eq calc 'identity)
1439                            (put-text-property 0 (length lsum) 'org-computed t lsum))
1440                          (cons prop lsum))))
1441                      fmt))
1442               (org-columns-display-here props 'dateline)
1443               (org-set-local 'org-agenda-columns-active t)))
1444           (if (bobp) (throw 'exit t))
1445           (beginning-of-line 0))))))
1446
1447 (defun org-agenda-colview-compute (fmt)
1448   "Compute the relevant columns in the contributing source buffers."
1449   (let ((files org-agenda-contributing-files)
1450         (org-columns-begin-marker (make-marker))
1451         (org-columns-top-level-marker (make-marker))
1452         f fm a b)
1453     (while (setq f (pop files))
1454       (setq b (find-buffer-visiting f))
1455       (with-current-buffer (or (buffer-base-buffer b) b)
1456         (save-excursion
1457           (save-restriction
1458             (widen)
1459             (org-unmodified
1460              (remove-text-properties (point-min) (point-max)
1461                                      '(org-summaries t)))
1462             (goto-char (point-min))
1463             (org-columns-get-format-and-top-level)
1464             (while (setq fm (pop fmt))
1465               (if (equal (car fm) "CLOCKSUM")
1466                   (org-clock-sum)
1467                 (when (and (nth 4 fm)
1468                            (setq a (assoc (car fm)
1469                                           org-columns-current-fmt-compiled))
1470                            (equal (nth 4 a) (nth 4 fm)))
1471                   (org-columns-compute (car fm)))))))))))
1472
1473 (defun org-format-time-period (interval)
1474   "Convert time in fractional days to days/hours/minutes/seconds"
1475   (if (numberp interval)
1476     (let* ((days (floor interval))
1477            (frac-hours (* 24 (- interval days)))
1478            (hours (floor frac-hours))
1479            (minutes (floor (* 60 (- frac-hours hours))))
1480            (seconds (floor (* 60 (- (* 60 (- frac-hours hours)) minutes)))))
1481       (format "%dd %02dh %02dm %02ds" days hours minutes seconds))
1482     ""))
1483
1484
1485 (provide 'org-colview)
1486
1487 ;; arch-tag: 61f5128d-747c-4983-9479-e3871fa3d73c
1488
1489 ;;; org-colview.el ends here