lisp/org-colview.el

   1 ;;; org-colview.el --- Column View in Org-mode
   2
   3 ;; Copyright (C) 2004-2015 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 ;;
   9 ;; This file is part of GNU Emacs.
  10 ;;
  11 ;; GNU Emacs is free software: you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation, either version 3 of the License, or
  14 ;; (at your option) any later version.
  15
  16 ;; GNU Emacs is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  23 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
  24 ;;
  25 ;;; Commentary:
  26
  27 ;; This file contains the column view for Org.
  28
  29 ;;; Code:
  30
  31 (eval-when-compile (require 'cl))
  32 (require 'org)
  33
  34 (declare-function org-agenda-redo "org-agenda" ())
  35 (declare-function org-agenda-do-context-action "org-agenda" ())
  36 (declare-function org-clock-sum-today "org-clock" (&optional headline-filter))
  37
  38 (when (featurep 'xemacs)
  39   (error "Do not load this file into XEmacs, use `org-colview-xemacs.el' from the contrib/ directory"))
  40
  41 ;;; Column View
  42
  43 (defvar org-columns-overlays nil
  44   "Holds the list of current column overlays.")
  45
  46 (defvar org-columns-current-fmt nil
  47   "Local variable, holds the currently active column format.")
  48 (make-variable-buffer-local 'org-columns-current-fmt)
  49 (defvar org-columns-current-fmt-compiled nil
  50   "Local variable, holds the currently active column format.
  51 This is the compiled version of the format.")
  52 (make-variable-buffer-local 'org-columns-current-fmt-compiled)
  53 (defvar org-columns-current-widths nil
  54   "Loval variable, holds the currently widths of fields.")
  55 (make-variable-buffer-local 'org-columns-current-widths)
  56 (defvar org-columns-current-maxwidths nil
  57   "Loval variable, holds the currently active maximum column widths.")
  58 (make-variable-buffer-local 'org-columns-current-maxwidths)
  59 (defvar org-columns-begin-marker (make-marker)
  60   "Points to the position where last a column creation command was called.")
  61 (defvar org-columns-top-level-marker (make-marker)
  62   "Points to the position where current columns region starts.")
  63
  64 (defvar org-columns-map (make-sparse-keymap)
  65   "The keymap valid in column display.")
  66
  67 (defun org-columns-content ()
  68   "Switch to contents view while in columns view."
  69   (interactive)
  70   (org-overview)
  71   (org-content))
  72
  73 (org-defkey org-columns-map "c" 'org-columns-content)
  74 (org-defkey org-columns-map "o" 'org-overview)
  75 (org-defkey org-columns-map "e" 'org-columns-edit-value)
  76 (org-defkey org-columns-map "\C-c\C-t" 'org-columns-todo)
  77 (org-defkey org-columns-map "\C-c\C-c" 'org-columns-set-tags-or-toggle)
  78 (org-defkey org-columns-map "\C-c\C-o" 'org-columns-open-link)
  79 (org-defkey org-columns-map "v" 'org-columns-show-value)
  80 (org-defkey org-columns-map "q" 'org-columns-quit)
  81 (org-defkey org-columns-map "r" 'org-columns-redo)
  82 (org-defkey org-columns-map "g" 'org-columns-redo)
  83 (org-defkey org-columns-map [left] 'backward-char)
  84 (org-defkey org-columns-map "\M-b" 'backward-char)
  85 (org-defkey org-columns-map "a" 'org-columns-edit-allowed)
  86 (org-defkey org-columns-map "s" 'org-columns-edit-attributes)
  87 (org-defkey org-columns-map "\M-f"
  88             (lambda () (interactive) (goto-char (1+ (point)))))
  89 (org-defkey org-columns-map [right]
  90             (lambda () (interactive) (goto-char (1+ (point)))))
  91 (org-defkey org-columns-map [down]
  92             (lambda () (interactive)
  93               (let ((col (current-column)))
  94                 (beginning-of-line 2)
  95                 (while (and (org-invisible-p2) (not (eobp)))
  96                   (beginning-of-line 2))
  97                 (move-to-column col)
  98                 (if (eq major-mode 'org-agenda-mode)
  99                     (org-agenda-do-context-action)))))
 100 (org-defkey org-columns-map [up]
 101             (lambda () (interactive)
 102               (let ((col (current-column)))
 103                 (beginning-of-line 0)
 104                 (while (and (org-invisible-p2) (not (bobp)))
 105                   (beginning-of-line 0))
 106                 (move-to-column col)
 107                 (if (eq major-mode 'org-agenda-mode)
 108                     (org-agenda-do-context-action)))))
 109 (org-defkey org-columns-map [(shift right)] 'org-columns-next-allowed-value)
 110 (org-defkey org-columns-map "n" 'org-columns-next-allowed-value)
 111 (org-defkey org-columns-map [(shift left)] 'org-columns-previous-allowed-value)
 112 (org-defkey org-columns-map "p" 'org-columns-previous-allowed-value)
 113 (org-defkey org-columns-map "<" 'org-columns-narrow)
 114 (org-defkey org-columns-map ">" 'org-columns-widen)
 115 (org-defkey org-columns-map [(meta right)] 'org-columns-move-right)
 116 (org-defkey org-columns-map [(meta left)] 'org-columns-move-left)
 117 (org-defkey org-columns-map [(shift meta right)] 'org-columns-new)
 118 (org-defkey org-columns-map [(shift meta left)] 'org-columns-delete)
 119 (dotimes (i 10)
 120   (org-defkey org-columns-map (number-to-string i)
 121               `(lambda () (interactive)
 122                  (org-columns-next-allowed-value nil ,i))))
 123
 124 (easy-menu-define org-columns-menu org-columns-map "Org Column Menu"
 125   '("Column"
 126     ["Edit property" org-columns-edit-value t]
 127     ["Next allowed value" org-columns-next-allowed-value t]
 128     ["Previous allowed value" org-columns-previous-allowed-value t]
 129     ["Show full value" org-columns-show-value t]
 130     ["Edit allowed values" org-columns-edit-allowed t]
 131     "--"
 132     ["Edit column attributes" org-columns-edit-attributes t]
 133     ["Increase column width" org-columns-widen t]
 134     ["Decrease column width" org-columns-narrow t]
 135     "--"
 136     ["Move column right" org-columns-move-right t]
 137     ["Move column left" org-columns-move-left t]
 138     ["Add column" org-columns-new t]
 139     ["Delete column" org-columns-delete t]
 140     "--"
 141     ["CONTENTS" org-columns-content t]
 142     ["OVERVIEW" org-overview t]
 143     ["Refresh columns display" org-columns-redo t]
 144     "--"
 145     ["Open link" org-columns-open-link t]
 146     "--"
 147     ["Quit" org-columns-quit t]))
 148
 149 (defun org-columns--value (property pos)
 150   "Return value for PROPERTY at buffer position POS."
 151   (or (cdr (assoc-string property (get-text-property pos 'org-summaries) t))
 152       (org-entry-get pos property 'selective t)))
 153
 154 (defun org-columns-new-overlay (beg end &optional string face)
 155   "Create a new column overlay and add it to the list."
 156   (let ((ov (make-overlay beg end)))
 157     (overlay-put ov 'face (or face 'secondary-selection))
 158     (org-overlay-display ov string face)
 159     (push ov org-columns-overlays)
 160     ov))
 161
 162 (defun org-columns-display-here (&optional props dateline)
 163   "Overlay the current line with column display."
 164   (interactive)
 165   (save-excursion
 166     (beginning-of-line)
 167     (let* ((level-face (and (looking-at "\\(\\**\\)\\(\\* \\)")
 168                             (org-get-level-face 2)))
 169            (ref-face (or level-face
 170                          (and (eq major-mode 'org-agenda-mode)
 171                               (org-get-at-bol 'face))
 172                          'default))
 173            (color (list :foreground (face-attribute ref-face :foreground)))
 174            (font (list :height (face-attribute 'default :height)
 175                        :family (face-attribute 'default :family)))
 176            (face (list color font 'org-column ref-face))
 177            (face1 (list color font 'org-agenda-column-dateline ref-face))
 178            (pom (and (eq major-mode 'org-agenda-mode)
 179                      (or (org-get-at-bol 'org-hd-marker)
 180                          (org-get-at-bol 'org-marker))))
 181            (props (cond (props)
 182                         ((eq major-mode 'org-agenda-mode)
 183                          (and pom (org-entry-properties pom)))
 184                         (t (org-entry-properties)))))
 185       ;; Each column is an overlay on top of a character.  So there has
 186       ;; to be at least as many characters available on the line as
 187       ;; columns to display.
 188       (let ((columns (length org-columns-current-fmt-compiled))
 189             (chars (- (line-end-position) (line-beginning-position))))
 190         (when (> columns chars)
 191           (save-excursion
 192             (end-of-line)
 193             (let ((inhibit-read-only t))
 194               (insert (make-string (- columns chars) ?\s))))))
 195       ;; Walk the format.  Create and install the overlay for the
 196       ;; current column on the next character.
 197       (dolist (column org-columns-current-fmt-compiled)
 198         (let* ((property (car column))
 199                (title (nth 1 column))
 200                (ass (assoc-string property props t))
 201                (width
 202                 (or
 203                  (cdr (assoc-string property org-columns-current-maxwidths t))
 204                  (nth 2 column)
 205                  (length property)))
 206                (f (format "%%-%d.%ds | " width width))
 207                (fm (nth 4 column))
 208                (fc (nth 5 column))
 209                (calc (nth 7 column))
 210                (val (or (cdr ass) ""))
 211                (modval
 212                 (cond
 213                  ((functionp org-columns-modify-value-for-display-function)
 214                   (funcall org-columns-modify-value-for-display-function
 215                            title val))
 216                  ((equal property "ITEM") (org-columns-compact-links val))
 217                  (fc (org-columns-number-to-string
 218                       (org-columns-string-to-number val fm) fm fc))
 219                  ((and calc (functionp calc)
 220                        (not (string= val ""))
 221                        (not (get-text-property 0 'org-computed val)))
 222                   (org-columns-number-to-string
 223                    (funcall calc (org-columns-string-to-number val fm)) fm))))
 224                (string
 225                 (format f
 226                         (let ((v (org-columns-add-ellipses
 227                                   (or modval val) width)))
 228                           (cond
 229                            ((equal property "PRIORITY")
 230                             (propertize v 'face (org-get-priority-face val)))
 231                            ((equal property "TAGS")
 232                             (if (not org-tags-special-faces-re)
 233                                 (propertize v 'face 'org-tag)
 234                               (replace-regexp-in-string
 235                                org-tags-special-faces-re
 236                                (lambda (m)
 237                                  (propertize m 'face (org-get-tag-face m)))
 238                                v nil nil 1)))
 239                            ((equal property "TODO")
 240                             (propertize v 'face (org-get-todo-face val)))
 241                            (t v)))))
 242                (ov (org-columns-new-overlay
 243                     (point) (1+ (point)) string (if dateline face1 face))))
 244           (overlay-put ov 'keymap org-columns-map)
 245           (overlay-put ov 'org-columns-key property)
 246           (overlay-put ov 'org-columns-value (cdr ass))
 247           (overlay-put ov 'org-columns-value-modified modval)
 248           (overlay-put ov 'org-columns-pom pom)
 249           (overlay-put ov 'org-columns-format f)
 250           (overlay-put ov 'line-prefix "")
 251           (overlay-put ov 'wrap-prefix "")
 252           (forward-char)))
 253       ;; Make the rest of the line disappear.
 254       (let ((ov (org-columns-new-overlay (point) (line-end-position))))
 255         (overlay-put ov 'invisible t)
 256         (overlay-put ov 'keymap org-columns-map)
 257         (overlay-put ov 'line-prefix "")
 258         (overlay-put ov 'wrap-prefix ""))
 259       (let ((ov (make-overlay (1- (line-end-position))
 260                               (line-beginning-position 2))))
 261         (overlay-put ov 'keymap org-columns-map)
 262         (push ov org-columns-overlays))
 263       (org-with-silent-modifications
 264        (let ((inhibit-read-only t))
 265          (put-text-property
 266           (line-end-position 0)
 267           (line-beginning-position 2)
 268           'read-only
 269           (substitute-command-keys
 270            "Type \\<org-columns-map>\\[org-columns-edit-value] \
 271 to edit property")))))))
 272
 273 (defun org-columns-add-ellipses (string width)
 274   "Truncate STRING with WIDTH characters, with ellipses."
 275   (cond
 276    ((<= (length string) width) string)
 277    ((<= width (length org-columns-ellipses))
 278     (substring org-columns-ellipses 0 width))
 279    (t (concat (substring string 0 (- width (length org-columns-ellipses)))
 280               org-columns-ellipses))))
 281
 282 (defvar org-columns-full-header-line-format nil
 283   "The full header line format, will be shifted by horizontal scrolling." )
 284 (defvar org-previous-header-line-format nil
 285   "The header line format before column view was turned on.")
 286 (defvar org-columns-inhibit-recalculation nil
 287   "Inhibit recomputing of columns on column view startup.")
 288 (defvar org-columns-flyspell-was-active nil
 289   "Remember the state of `flyspell-mode' before column view.
 290 Flyspell-mode can cause problems in columns view, so it is turned off
 291 for the duration of the command.")
 292
 293 (defvar header-line-format)
 294 (defvar org-columns-previous-hscroll 0)
 295
 296 (defun org-columns-display-here-title ()
 297   "Overlay the newline before the current line with the table title."
 298   (interactive)
 299   (let ((fmt org-columns-current-fmt-compiled)
 300         string (title "")
 301         property width f column str widths)
 302     (while (setq column (pop fmt))
 303       (setq property (car column)
 304             str (or (nth 1 column) property)
 305             width (or (cdr (assoc-string property
 306                                          org-columns-current-maxwidths
 307                                          t))
 308                       (nth 2 column)
 309                       (length str))
 310             widths (push width widths)
 311             f (format "%%-%d.%ds | " width width)
 312             string (format f str)
 313             title (concat title string)))
 314     (setq title (concat
 315                  (org-add-props " " nil 'display '(space :align-to 0))
 316                  ;;(org-add-props title nil 'face '(:weight bold :underline t :inherit default))))
 317                  (org-add-props title nil 'face 'org-column-title)))
 318     (org-set-local 'org-previous-header-line-format header-line-format)
 319     (org-set-local 'org-columns-current-widths (nreverse widths))
 320     (setq org-columns-full-header-line-format title)
 321     (setq org-columns-previous-hscroll -1)
 322                                         ;    (org-columns-hscoll-title)
 323     (org-add-hook 'post-command-hook 'org-columns-hscoll-title nil 'local)))
 324
 325 (defun org-columns-hscoll-title ()
 326   "Set the `header-line-format' so that it scrolls along with the table."
 327   (sit-for .0001) ; need to force a redisplay to update window-hscroll
 328   (when (not (= (window-hscroll) org-columns-previous-hscroll))
 329     (setq header-line-format
 330           (concat (substring org-columns-full-header-line-format 0 1)
 331                   (substring org-columns-full-header-line-format
 332                              (1+ (window-hscroll))))
 333           org-columns-previous-hscroll (window-hscroll))
 334     (force-mode-line-update)))
 335
 336 (defvar org-colview-initial-truncate-line-value nil
 337   "Remember the value of `truncate-lines' across colview.")
 338
 339 ;;;###autoload
 340 (defun org-columns-remove-overlays ()
 341   "Remove all currently active column overlays."
 342   (interactive)
 343   (when (marker-buffer org-columns-begin-marker)
 344     (with-current-buffer (marker-buffer org-columns-begin-marker)
 345       (when (local-variable-p 'org-previous-header-line-format)
 346         (setq header-line-format org-previous-header-line-format)
 347         (kill-local-variable 'org-previous-header-line-format)
 348         (remove-hook 'post-command-hook 'org-columns-hscoll-title 'local))
 349       (move-marker org-columns-begin-marker nil)
 350       (move-marker org-columns-top-level-marker nil)
 351       (org-with-silent-modifications
 352        (mapc 'delete-overlay org-columns-overlays)
 353        (setq org-columns-overlays nil)
 354        (let ((inhibit-read-only t))
 355          (remove-text-properties (point-min) (point-max) '(read-only t))))
 356       (when org-columns-flyspell-was-active
 357         (flyspell-mode 1))
 358       (when (local-variable-p 'org-colview-initial-truncate-line-value)
 359         (setq truncate-lines org-colview-initial-truncate-line-value)))))
 360
 361 (defun org-columns-compact-links (s)
 362   "Replace [[link][desc]] with [desc] or [link]."
 363   (while (string-match org-bracket-link-regexp s)
 364     (setq s (replace-match
 365              (concat "[" (match-string (if (match-end 3) 3 1) s) "]")
 366              t t s)))
 367   s)
 368
 369 (defun org-columns-show-value ()
 370   "Show the full value of the property."
 371   (interactive)
 372   (let ((value (get-char-property (point) 'org-columns-value)))
 373     (message "Value is: %s" (or value ""))))
 374
 375 (defvar org-agenda-columns-active) ;; defined in org-agenda.el
 376
 377 (defun org-columns-quit ()
 378   "Remove the column overlays and in this way exit column editing."
 379   (interactive)
 380   (org-with-silent-modifications
 381    (org-columns-remove-overlays)
 382    (let ((inhibit-read-only t))
 383      (remove-text-properties (point-min) (point-max) '(read-only t))))
 384   (when (eq major-mode 'org-agenda-mode)
 385     (setq org-agenda-columns-active nil)
 386     (message
 387      "Modification not yet reflected in Agenda buffer, use `r' to refresh")))
 388
 389 (defun org-columns-check-computed ()
 390   "Check if this column value is computed.
 391 If yes, throw an error indicating that changing it does not make sense."
 392   (let ((val (get-char-property (point) 'org-columns-value)))
 393     (when (and (stringp val)
 394                (get-char-property 0 'org-computed val))
 395       (error "This value is computed from the entry's children"))))
 396
 397 (defun org-columns-todo (&optional arg)
 398   "Change the TODO state during column view."
 399   (interactive "P")
 400   (org-columns-edit-value "TODO"))
 401
 402 (defun org-columns-set-tags-or-toggle (&optional arg)
 403   "Toggle checkbox at point, or set tags for current headline."
 404   (interactive "P")
 405   (if (string-match "\\`\\[[ xX-]\\]\\'"
 406                     (get-char-property (point) 'org-columns-value))
 407       (org-columns-next-allowed-value)
 408     (org-columns-edit-value "TAGS")))
 409
 410 (defvar org-agenda-overriding-columns-format nil
 411   "When set, overrides any other format definition for the agenda.
 412 Don't set this, this is meant for dynamic scoping.")
 413
 414 (defun org-columns-edit-value (&optional key)
 415   "Edit the value of the property at point in column view.
 416 Where possible, use the standard interface for changing this line."
 417   (interactive)
 418   (org-columns-check-computed)
 419   (let* ((col (current-column))
 420          (key (or key (get-char-property (point) 'org-columns-key)))
 421          (value (get-char-property (point) 'org-columns-value))
 422          (bol (point-at-bol)) (eol (point-at-eol))
 423          (pom (or (get-text-property bol 'org-hd-marker)
 424                   (point)))          ; keep despite of compiler waring
 425          (line-overlays
 426           (delq nil (mapcar (lambda (x)
 427                               (and (eq (overlay-buffer x) (current-buffer))
 428                                    (>= (overlay-start x) bol)
 429                                    (<= (overlay-start x) eol)
 430                                    x))
 431                             org-columns-overlays)))
 432          (org-columns-time (time-to-number-of-days (current-time)))
 433          nval eval allowed)
 434     (cond
 435      ((equal key "CLOCKSUM")
 436       (error "This special column cannot be edited"))
 437      ((equal key "ITEM")
 438       (setq eval '(org-with-point-at pom
 439                     (org-edit-headline))))
 440      ((equal key "TODO")
 441       (setq eval '(org-with-point-at
 442                       pom
 443                     (call-interactively 'org-todo))))
 444      ((equal key "PRIORITY")
 445       (setq eval '(org-with-point-at pom
 446                     (call-interactively 'org-priority))))
 447      ((equal key "TAGS")
 448       (setq eval '(org-with-point-at pom
 449                     (let ((org-fast-tag-selection-single-key
 450                            (if (eq org-fast-tag-selection-single-key 'expert)
 451                                t org-fast-tag-selection-single-key)))
 452                       (call-interactively 'org-set-tags)))))
 453      ((equal key "DEADLINE")
 454       (setq eval '(org-with-point-at pom
 455                     (call-interactively 'org-deadline))))
 456      ((equal key "SCHEDULED")
 457       (setq eval '(org-with-point-at pom
 458                     (call-interactively 'org-schedule))))
 459      ((equal key "BEAMER_env")
 460       (setq eval '(org-with-point-at pom
 461                     (call-interactively 'org-beamer-select-environment))))
 462      (t
 463       (setq allowed (org-property-get-allowed-values pom key 'table))
 464       (if allowed
 465           (setq nval (org-icompleting-read
 466                       "Value: " allowed nil
 467                       (not (get-text-property 0 'org-unrestricted
 468                                               (caar allowed)))))
 469         (setq nval (read-string "Edit: " value)))
 470       (setq nval (org-trim nval))
 471       (when (not (equal nval value))
 472         (setq eval '(org-entry-put pom key nval)))))
 473     (when eval
 474
 475       (cond
 476        ((equal major-mode 'org-agenda-mode)
 477         (org-columns-eval eval)
 478         ;; The following let preserves the current format, and makes sure
 479         ;; that in only a single file things need to be updated.
 480         (let* ((org-agenda-overriding-columns-format org-columns-current-fmt)
 481                (buffer (marker-buffer pom))
 482                (org-agenda-contributing-files
 483                 (list (with-current-buffer buffer
 484                         (buffer-file-name (buffer-base-buffer))))))
 485           (org-agenda-columns)))
 486        (t
 487         (let ((inhibit-read-only t))
 488           (org-with-silent-modifications
 489            (remove-text-properties
 490             (max (point-min) (1- bol)) eol '(read-only t)))
 491           (unwind-protect
 492               (progn
 493                 (setq org-columns-overlays
 494                       (org-delete-all line-overlays org-columns-overlays))
 495                 (mapc 'delete-overlay line-overlays)
 496                 (org-columns-eval eval))
 497             (org-columns-display-here)))
 498         (org-move-to-column col)
 499         (if (and (derived-mode-p 'org-mode)
 500                  (nth 3 (assoc-string key org-columns-current-fmt-compiled t)))
 501             (org-columns-update key)))))))
 502
 503 (defun org-edit-headline () ; FIXME: this is not columns specific.  Make interactive?????  Use from agenda????
 504   "Edit the current headline, the part without TODO keyword, TAGS."
 505   (org-back-to-heading)
 506   (when (looking-at org-todo-line-regexp)
 507     (let ((pos (point))
 508           (pre (buffer-substring (match-beginning 0) (match-beginning 3)))
 509           (txt (match-string 3))
 510           (post "")
 511           txt2)
 512       (if (string-match (org-re "[ \t]+:[[:alnum:]:_@#%]+:[ \t]*$") txt)
 513           (setq post (match-string 0 txt)
 514                 txt (substring txt 0 (match-beginning 0))))
 515       (setq txt2 (read-string "Edit: " txt))
 516       (when (not (equal txt txt2))
 517         (goto-char pos)
 518         (insert pre txt2 post)
 519         (delete-region (point) (point-at-eol))
 520         (org-set-tags nil t)))))
 521
 522 (defun org-columns-edit-allowed ()
 523   "Edit the list of allowed values for the current property."
 524   (interactive)
 525   (let* ((pom (or (org-get-at-bol 'org-marker)
 526                   (org-get-at-bol 'org-hd-marker)
 527                   (point)))
 528          (key (get-char-property (point) 'org-columns-key))
 529          (key1 (concat key "_ALL"))
 530          (allowed (org-entry-get pom key1 t))
 531          nval)
 532     ;; FIXME: Cover editing TODO, TAGS etc in-buffer settings.????
 533     ;; FIXME: Write back to #+PROPERTY setting if that is needed.
 534     (setq nval (read-string "Allowed: " allowed))
 535     (org-entry-put
 536      (cond ((marker-position org-entry-property-inherited-from)
 537             org-entry-property-inherited-from)
 538            ((marker-position org-columns-top-level-marker)
 539             org-columns-top-level-marker)
 540            (t pom))
 541      key1 nval)))
 542
 543 (defun org-columns-eval (form)
 544   (let (hidep)
 545     (save-excursion
 546       (beginning-of-line 1)
 547       ;; `next-line' is needed here, because it skips invisible line.
 548       (condition-case nil (org-no-warnings (next-line 1)) (error nil))
 549       (setq hidep (org-at-heading-p 1)))
 550     (eval form)
 551     (and hidep (hide-entry))))
 552
 553 (defun org-columns-previous-allowed-value ()
 554   "Switch to the previous allowed value for this column."
 555   (interactive)
 556   (org-columns-next-allowed-value t))
 557
 558 (defun org-columns-next-allowed-value (&optional previous nth)
 559   "Switch to the next allowed value for this column.
 560 When PREVIOUS is set, go to the previous value.  When NTH is
 561 an integer, select that value."
 562   (interactive)
 563   (org-columns-check-computed)
 564   (let* ((col (current-column))
 565          (key (get-char-property (point) 'org-columns-key))
 566          (value (get-char-property (point) 'org-columns-value))
 567          (bol (point-at-bol)) (eol (point-at-eol))
 568          (pom (or (get-text-property bol 'org-hd-marker)
 569                   (point)))          ; keep despite of compiler waring
 570          (line-overlays
 571           (delq nil (mapcar (lambda (x)
 572                               (and (eq (overlay-buffer x) (current-buffer))
 573                                    (>= (overlay-start x) bol)
 574                                    (<= (overlay-start x) eol)
 575                                    x))
 576                             org-columns-overlays)))
 577          (allowed (or (org-property-get-allowed-values pom key)
 578                       (and (memq
 579                             (nth 4 (assoc-string key
 580                                                  org-columns-current-fmt-compiled
 581                                                  t))
 582                             '(checkbox checkbox-n-of-m checkbox-percent))
 583                            '("[ ]" "[X]"))
 584                       (org-colview-construct-allowed-dates value)))
 585          nval)
 586     (when (integerp nth)
 587       (setq nth (1- nth))
 588       (if (= nth -1) (setq nth 9)))
 589     (when (equal key "ITEM")
 590       (error "Cannot edit item headline from here"))
 591     (unless (or allowed (member key '("SCHEDULED" "DEADLINE" "CLOCKSUM")))
 592       (error "Allowed values for this property have not been defined"))
 593     (if (member key '("SCHEDULED" "DEADLINE" "CLOCKSUM"))
 594         (setq nval (if previous 'earlier 'later))
 595       (if previous (setq allowed (reverse allowed)))
 596       (cond
 597        (nth
 598         (setq nval (nth nth allowed))
 599         (if (not nval)
 600             (error "There are only %d allowed values for property `%s'"
 601                    (length allowed) key)))
 602        ((member value allowed)
 603         (setq nval (or (car (cdr (member value allowed)))
 604                        (car allowed)))
 605         (if (equal nval value)
 606             (error "Only one allowed value for this property")))
 607        (t (setq nval (car allowed)))))
 608     (cond
 609      ((equal major-mode 'org-agenda-mode)
 610       (org-columns-eval '(org-entry-put pom key nval))
 611       ;; The following let preserves the current format, and makes sure
 612       ;; that in only a single file things need to be updated.
 613       (let* ((org-agenda-overriding-columns-format org-columns-current-fmt)
 614              (buffer (marker-buffer pom))
 615              (org-agenda-contributing-files
 616               (list (with-current-buffer buffer
 617                       (buffer-file-name (buffer-base-buffer))))))
 618         (org-agenda-columns)))
 619      (t
 620       (let ((inhibit-read-only t))
 621         (remove-text-properties (1- bol) eol '(read-only t))
 622         (unwind-protect
 623             (progn
 624               (setq org-columns-overlays
 625                     (org-delete-all line-overlays org-columns-overlays))
 626               (mapc 'delete-overlay line-overlays)
 627               (org-columns-eval '(org-entry-put pom key nval)))
 628           (org-columns-display-here)))
 629       (org-move-to-column col)
 630       (and (nth 3 (assoc-string key org-columns-current-fmt-compiled t))
 631            (org-columns-update key))))))
 632
 633 (defun org-colview-construct-allowed-dates (s)
 634   "Construct a list of three dates around the date in S.
 635 This respects the format of the time stamp in S, active or non-active,
 636 and also including time or not.  S must be just a time stamp, no text
 637 around it."
 638   (when (and s (string-match (concat "^" org-ts-regexp3 "$") s))
 639     (let* ((time (org-parse-time-string s 'nodefaults))
 640            (active (equal (string-to-char s) ?<))
 641            (fmt (funcall (if (nth 1 time) 'cdr 'car) org-time-stamp-formats))
 642            time-before time-after)
 643       (unless active (setq fmt (concat "[" (substring fmt 1 -1) "]")))
 644       (setf (car time) (or (car time) 0))
 645       (setf (nth 1 time) (or (nth 1 time) 0))
 646       (setf (nth 2 time) (or (nth 2 time) 0))
 647       (setq time-before (copy-sequence time))
 648       (setq time-after (copy-sequence time))
 649       (setf (nth 3 time-before) (1- (nth 3 time)))
 650       (setf (nth 3 time-after) (1+ (nth 3 time)))
 651       (mapcar (lambda (x) (format-time-string fmt (apply 'encode-time x)))
 652               (list time-before time time-after)))))
 653
 654 (defun org-verify-version (task)
 655   (cond
 656    ((eq task 'columns)
 657     (if (or (featurep 'xemacs)
 658             (< emacs-major-version 22))
 659         (error "Emacs 22 is required for the columns feature")))))
 660
 661 (defun org-columns-open-link (&optional arg)
 662   (interactive "P")
 663   (let ((value (get-char-property (point) 'org-columns-value)))
 664     (org-open-link-from-string value arg)))
 665
 666 ;;;###autoload
 667 (defun org-columns-get-format-and-top-level ()
 668   (let ((fmt (org-columns-get-format)))
 669     (org-columns-goto-top-level)
 670     fmt))
 671
 672 (defun org-columns-get-format (&optional fmt-string)
 673   (interactive)
 674   (let (fmt-as-property fmt)
 675     (when (condition-case nil (org-back-to-heading) (error nil))
 676       (setq fmt-as-property (org-entry-get nil "COLUMNS" t)))
 677     (setq fmt (or fmt-string fmt-as-property org-columns-default-format))
 678     (org-set-local 'org-columns-current-fmt fmt)
 679     (org-columns-compile-format fmt)
 680     fmt))
 681
 682 (defun org-columns-goto-top-level ()
 683   (when (condition-case nil (org-back-to-heading) (error nil))
 684     (org-entry-get nil "COLUMNS" t))
 685   (if (marker-position org-entry-property-inherited-from)
 686       (move-marker org-columns-top-level-marker org-entry-property-inherited-from)
 687     (move-marker org-columns-top-level-marker (point))))
 688
 689 ;;;###autoload
 690 (defun org-columns (&optional columns-fmt-string)
 691   "Turn on column view on an org-mode file.
 692 When COLUMNS-FMT-STRING is non-nil, use it as the column format."
 693   (interactive)
 694   (org-verify-version 'columns)
 695   (org-columns-remove-overlays)
 696   (move-marker org-columns-begin-marker (point))
 697   (org-columns-goto-top-level)
 698   ;; Initialize `org-columns-current-fmt' and
 699   ;; `org-columns-current-fmt-compiled'.
 700   (let ((org-columns-time (time-to-number-of-days (current-time))))
 701     (org-columns-get-format columns-fmt-string))
 702   (unless org-columns-inhibit-recalculation (org-columns-compute-all))
 703   (save-excursion
 704     (save-restriction
 705       (narrow-to-region
 706        org-columns-top-level-marker
 707        (or (ignore-errors (org-end-of-subtree t t)) (point-max)))
 708       (goto-char (point-min))
 709       (when (assoc "CLOCKSUM" org-columns-current-fmt-compiled)
 710         (org-clock-sum))
 711       (when (assoc "CLOCKSUM_T" org-columns-current-fmt-compiled)
 712         (org-clock-sum-today))
 713       (let* ((column-names (mapcar #'car org-columns-current-fmt-compiled))
 714              (cache
 715               (org-map-entries
 716                (lambda ()
 717                  (cons (point)
 718                        (mapcar (lambda (p)
 719                                  (cons p (org-columns--value p (point))))
 720                                column-names)))
 721                nil nil (and org-columns-skip-archived-trees 'archive))))
 722         (when cache
 723           (org-set-local 'org-columns-current-maxwidths
 724                          (org-columns-get-autowidth-alist
 725                           org-columns-current-fmt
 726                           cache))
 727           (org-columns-display-here-title)
 728           (when (org-set-local 'org-columns-flyspell-was-active
 729                                (org-bound-and-true-p flyspell-mode))
 730             (flyspell-mode 0))
 731           (unless (local-variable-p 'org-colview-initial-truncate-line-value)
 732             (org-set-local 'org-colview-initial-truncate-line-value
 733                            truncate-lines))
 734           (setq truncate-lines t)
 735           (dolist (x cache)
 736             (goto-char (car x))
 737             (org-columns-display-here (cdr x))))))))
 738
 739 (eval-when-compile (defvar org-columns-time))
 740
 741 (defvar org-columns-compile-map
 742   '(("none" none +)
 743     (":" add_times +)
 744     ("+" add_numbers +)
 745     ("$" currency +)
 746     ("X" checkbox +)
 747     ("X/" checkbox-n-of-m +)
 748     ("X%" checkbox-percent +)
 749     ("max" max_numbers max)
 750     ("min" min_numbers min)
 751     ("mean" mean_numbers
 752      (lambda (&rest x) (/ (apply '+ x) (float (length x)))))
 753     (":max" max_times max)
 754     (":min" min_times min)
 755     (":mean" mean_times
 756      (lambda (&rest x) (/ (apply '+ x) (float (length x)))))
 757     ("@min" min_age min (lambda (x) (- org-columns-time x)))
 758     ("@max" max_age max (lambda (x) (- org-columns-time x)))
 759     ("@mean" mean_age
 760      (lambda (&rest x) (/ (apply '+ x) (float (length x))))
 761      (lambda (x) (- org-columns-time x)))
 762     ("est+" estimate org-estimate-combine))
 763   "Operator <-> format,function,calc  map.
 764 Used to compile/uncompile columns format and completing read in
 765 interactive function `org-columns-new'.
 766
 767 operator    string used in #+COLUMNS definition describing the
 768             summary type
 769 format      symbol describing summary type selected interactively in
 770             `org-columns-new' and internally in
 771             `org-columns-number-to-string' and
 772             `org-columns-string-to-number'
 773 function    called with a list of values as argument to calculate
 774             the summary value
 775 calc        function called on every element before summarizing.  This is
 776             optional and should only be specified if needed")
 777
 778 (defun org-columns-new (&optional prop title width op fmt fun &rest rest)
 779   "Insert a new column, to the left of the current column."
 780   (interactive)
 781   (let ((editp (and prop
 782                     (assoc-string prop org-columns-current-fmt-compiled t)))
 783         cell)
 784     (setq prop (org-icompleting-read
 785                 "Property: " (mapcar 'list (org-buffer-property-keys t nil t))
 786                 nil nil prop))
 787     (setq title (read-string (concat "Column title [" prop "]: ") (or title prop)))
 788     (setq width (read-string "Column width: " (if width (number-to-string width))))
 789     (if (string-match "\\S-" width)
 790         (setq width (string-to-number width))
 791       (setq width nil))
 792     (setq fmt (org-icompleting-read
 793                "Summary [none]: "
 794                (mapcar (lambda (x) (list (symbol-name (cadr x))))
 795                        org-columns-compile-map)
 796                nil t))
 797     (setq fmt (intern fmt)
 798           fun (cdr (assoc fmt (mapcar 'cdr org-columns-compile-map))))
 799     (if (eq fmt 'none) (setq fmt nil))
 800     (if editp
 801         (progn
 802           (setcar editp prop)
 803           (setcdr editp (list title width nil fmt nil fun)))
 804       (setq cell (nthcdr (1- (current-column))
 805                          org-columns-current-fmt-compiled))
 806       (setcdr cell (cons (list prop title width nil fmt nil
 807                                (car fun) (cadr fun))
 808                          (cdr cell))))
 809     (org-columns-store-format)
 810     (org-columns-redo)))
 811
 812 (defun org-columns-delete ()
 813   "Delete the column at point from columns view."
 814   (interactive)
 815   (let* ((n (current-column))
 816          (title (nth 1 (nth n org-columns-current-fmt-compiled))))
 817     (when (y-or-n-p
 818            (format "Are you sure you want to remove column \"%s\"? " title))
 819       (setq org-columns-current-fmt-compiled
 820             (delq (nth n org-columns-current-fmt-compiled)
 821                   org-columns-current-fmt-compiled))
 822       (org-columns-store-format)
 823       (org-columns-redo)
 824       (if (>= (current-column) (length org-columns-current-fmt-compiled))
 825           (backward-char 1)))))
 826
 827 (defun org-columns-edit-attributes ()
 828   "Edit the attributes of the current column."
 829   (interactive)
 830   (let* ((n (current-column))
 831          (info (nth n org-columns-current-fmt-compiled)))
 832     (apply 'org-columns-new info)))
 833
 834 (defun org-columns-widen (arg)
 835   "Make the column wider by ARG characters."
 836   (interactive "p")
 837   (let* ((n (current-column))
 838          (entry (nth n org-columns-current-fmt-compiled))
 839          (width (or (nth 2 entry)
 840                     (cdr (assoc-string (car entry)
 841                                        org-columns-current-maxwidths
 842                                        t)))))
 843     (setq width (max 1 (+ width arg)))
 844     (setcar (nthcdr 2 entry) width)
 845     (org-columns-store-format)
 846     (org-columns-redo)))
 847
 848 (defun org-columns-narrow (arg)
 849   "Make the column narrower by ARG characters."
 850   (interactive "p")
 851   (org-columns-widen (- arg)))
 852
 853 (defun org-columns-move-right ()
 854   "Swap this column with the one to the right."
 855   (interactive)
 856   (let* ((n (current-column))
 857          (cell (nthcdr n org-columns-current-fmt-compiled))
 858          e)
 859     (when (>= n (1- (length org-columns-current-fmt-compiled)))
 860       (error "Cannot shift this column further to the right"))
 861     (setq e (car cell))
 862     (setcar cell (car (cdr cell)))
 863     (setcdr cell (cons e (cdr (cdr cell))))
 864     (org-columns-store-format)
 865     (org-columns-redo)
 866     (forward-char 1)))
 867
 868 (defun org-columns-move-left ()
 869   "Swap this column with the one to the left."
 870   (interactive)
 871   (let* ((n (current-column)))
 872     (when (= n 0)
 873       (error "Cannot shift this column further to the left"))
 874     (backward-char 1)
 875     (org-columns-move-right)
 876     (backward-char 1)))
 877
 878 (defun org-columns-store-format ()
 879   "Store the text version of the current columns format in appropriate place.
 880 This is either in the COLUMNS property of the node starting the current column
 881 display, or in the #+COLUMNS line of the current buffer."
 882   (let (fmt (cnt 0))
 883     (setq fmt (org-columns-uncompile-format org-columns-current-fmt-compiled))
 884     (org-set-local 'org-columns-current-fmt fmt)
 885     (if (marker-position org-columns-top-level-marker)
 886         (save-excursion
 887           (goto-char org-columns-top-level-marker)
 888           (if (and (org-at-heading-p)
 889                    (org-entry-get nil "COLUMNS"))
 890               (org-entry-put nil "COLUMNS" fmt)
 891             (goto-char (point-min))
 892             ;; Overwrite all #+COLUMNS lines....
 893             (while (re-search-forward "^[ \t]*#\\+COLUMNS:.*" nil t)
 894               (setq cnt (1+ cnt))
 895               (replace-match (concat "#+COLUMNS: " fmt) t t))
 896             (unless (> cnt 0)
 897               (goto-char (point-min))
 898               (or (org-at-heading-p t) (outline-next-heading))
 899               (let ((inhibit-read-only t))
 900                 (insert-before-markers "#+COLUMNS: " fmt "\n")))
 901             (org-set-local 'org-columns-default-format fmt))))))
 902
 903 (defun org-columns-get-autowidth-alist (s cache)
 904   "Derive the maximum column widths from the format and the cache."
 905   (let ((start 0) rtn)
 906     (while (string-match (org-re "%\\([[:alpha:]][[:alnum:]_-]*\\)") s start)
 907       (push (cons (match-string 1 s) 1) rtn)
 908       (setq start (match-end 0)))
 909     (mapc (lambda (x)
 910             (setcdr x
 911                     (apply #'max
 912                            (let ((prop (car x)))
 913                              (mapcar
 914                               (lambda (y)
 915                                 (length (or (cdr (assoc-string prop (cdr y) t))
 916                                             " ")))
 917                               cache)))))
 918           rtn)
 919     rtn))
 920
 921 (defun org-columns-compute-all ()
 922   "Compute all columns that have operators defined."
 923   (org-with-silent-modifications
 924    (remove-text-properties (point-min) (point-max) '(org-summaries t)))
 925   (let ((columns org-columns-current-fmt-compiled)
 926         (org-columns-time (time-to-number-of-days (current-time)))
 927         col)
 928     (while (setq col (pop columns))
 929       (when (nth 3 col)
 930         (save-excursion
 931           (org-columns-compute (car col)))))))
 932
 933 (defun org-columns-update (property)
 934   "Recompute PROPERTY, and update the columns display for it."
 935   (org-columns-compute property)
 936   (let (fmt val pos)
 937     (save-excursion
 938       (mapc (lambda (ov)
 939               (when (equal (overlay-get ov 'org-columns-key) property)
 940                 (setq pos (overlay-start ov))
 941                 (goto-char pos)
 942                 (when (setq val (cdr (assoc-string
 943                                       property
 944                                       (get-text-property
 945                                        (point-at-bol) 'org-summaries)
 946                                       t)))
 947                   (setq fmt (overlay-get ov 'org-columns-format))
 948                   (overlay-put ov 'org-columns-value val)
 949                   (overlay-put ov 'display (format fmt val)))))
 950             org-columns-overlays))))
 951
 952 (defvar org-inlinetask-min-level
 953   (if (featurep 'org-inlinetask) org-inlinetask-min-level 15))
 954
 955 ;;;###autoload
 956 (defun org-columns-compute (property)
 957   "Sum the values of property PROPERTY hierarchically, for the entire buffer."
 958   (interactive)
 959   (let* ((re org-outline-regexp-bol)
 960          (lmax 30)                  ; Does anyone use deeper levels???
 961          (lvals (make-vector lmax nil))
 962          (lflag (make-vector lmax nil))
 963          (level 0)
 964          (ass (assoc-string property org-columns-current-fmt-compiled t))
 965          (format (nth 4 ass))
 966          (printf (nth 5 ass))
 967          (fun (nth 6 ass))
 968          (calc (or (nth 7 ass) 'identity))
 969          (beg org-columns-top-level-marker)
 970          (inminlevel org-inlinetask-min-level)
 971          (last-level org-inlinetask-min-level)
 972          val valflag flag end sumpos sum-alist sum str str1 useval)
 973     (save-excursion
 974       ;; Find the region to compute
 975       (goto-char beg)
 976       (setq end (condition-case nil (org-end-of-subtree t) (error (point-max))))
 977       (goto-char end)
 978       ;; Walk the tree from the back and do the computations
 979       (while (re-search-backward re beg t)
 980         (setq sumpos (match-beginning 0)
 981               last-level (if (not (or (zerop level) (eq level inminlevel)))
 982                              level last-level)
 983               level (org-outline-level)
 984               val (org-entry-get nil property)
 985               valflag (and val (string-match "\\S-" val)))
 986         (cond
 987          ((< level last-level)
 988           ;; Put the sum of lower levels here as a property.  If
 989           ;; values are estimate, use an appropriate sum function.
 990           (setq sum (funcall
 991                      (if (eq fun 'org-estimate-combine) #'org-estimate-combine
 992                        #'+)
 993                      (if (and (/= last-level inminlevel)
 994                               (aref lvals last-level))
 995                          (apply fun (aref lvals last-level)) 0)
 996                      (if (aref lvals inminlevel)
 997                          (apply fun (aref lvals inminlevel)) 0))
 998                 flag (or (aref lflag last-level) ; any valid entries from children?
 999                          (aref lflag inminlevel)) ; or inline tasks?
1000                 str (org-columns-number-to-string sum format printf)
1001                 str1 (org-add-props (copy-sequence str) nil 'org-computed t 'face 'bold)
1002                 useval (if flag str1 (if valflag val ""))
1003                 sum-alist (get-text-property sumpos 'org-summaries))
1004           (let ((old (assoc-string property sum-alist t)))
1005             (if old (setcdr old useval)
1006               (push (cons property useval) sum-alist)
1007               (org-with-silent-modifications
1008                (add-text-properties sumpos (1+ sumpos)
1009                                     (list 'org-summaries sum-alist)))))
1010           (when (and val (not (equal val (if flag str val))))
1011             (org-entry-put nil property (if flag str val)))
1012           ;; add current to current level accumulator
1013           (when (or flag valflag)
1014             (push (if flag
1015                       sum
1016                     (funcall calc (org-columns-string-to-number
1017                                    (if flag str val) format)))
1018                   (aref lvals level))
1019             (aset lflag level t))
1020           ;; clear accumulators for deeper levels
1021           (loop for l from (1+ level) to (1- lmax) do
1022                 (aset lvals l nil)
1023                 (aset lflag l nil)))
1024          ((>= level last-level)
1025           ;; add what we have here to the accumulator for this level
1026           (when valflag
1027             (push (funcall calc (org-columns-string-to-number val format))
1028                   (aref lvals level))
1029             (aset lflag level t)))
1030          (t (error "This should not happen")))))))
1031
1032 (defun org-columns-redo ()
1033   "Construct the column display again."
1034   (interactive)
1035   (message "Recomputing columns...")
1036   (let ((line (org-current-line))
1037         (col (current-column)))
1038     (save-excursion
1039       (if (marker-position org-columns-begin-marker)
1040           (goto-char org-columns-begin-marker))
1041       (org-columns-remove-overlays)
1042       (if (derived-mode-p 'org-mode)
1043           (call-interactively 'org-columns)
1044         (org-agenda-redo)
1045         (call-interactively 'org-agenda-columns)))
1046     (org-goto-line line)
1047     (move-to-column col))
1048   (message "Recomputing columns...done"))
1049
1050 (defun org-columns-not-in-agenda ()
1051   (if (eq major-mode 'org-agenda-mode)
1052       (error "This command is only allowed in Org-mode buffers")))
1053
1054 (defun org-string-to-number (s)
1055   "Convert string to number, and interpret hh:mm:ss."
1056   (if (not (string-match ":" s))
1057       (string-to-number s)
1058     (let ((l (nreverse (org-split-string s ":"))) (sum 0.0))
1059       (while l
1060         (setq sum (+ (string-to-number (pop l)) (/ sum 60))))
1061       sum)))
1062
1063 ;;;###autoload
1064 (defun org-columns-number-to-string (n fmt &optional printf)
1065   "Convert a computed column number to a string value, according to FMT."
1066   (cond
1067    ((memq fmt '(estimate)) (org-estimate-print n printf))
1068    ((not (numberp n)) "")
1069    ((memq fmt '(add_times max_times min_times mean_times))
1070     (org-hours-to-clocksum-string n))
1071    ((eq fmt 'checkbox)
1072     (cond ((= n (floor n)) "[X]")
1073           ((> n 1.) "[-]")
1074           (t "[ ]")))
1075    ((memq fmt '(checkbox-n-of-m checkbox-percent))
1076     (let* ((n1 (floor n)) (n2 (floor (+ .5 (* 1000000 (- n n1))))))
1077       (org-nofm-to-completion n1 (+ n2 n1) (eq fmt 'checkbox-percent))))
1078    (printf (format printf n))
1079    ((eq fmt 'currency)
1080     (format "%.2f" n))
1081    ((memq fmt '(min_age max_age mean_age))
1082     (org-format-time-period n))
1083    (t (number-to-string n))))
1084
1085 (defun org-nofm-to-completion (n m &optional percent)
1086   (if (not percent)
1087       (format "[%d/%d]" n m)
1088     (format "[%d%%]" (round (* 100.0 n) m))))
1089
1090
1091 (defun org-columns-string-to-number (s fmt)
1092   "Convert a column value to a number that can be used for column computing."
1093   (if s
1094       (cond
1095        ((memq fmt '(min_age max_age mean_age))
1096         (cond ((string= s "") org-columns-time)
1097               ((string-match
1098                 "\\([0-9]+\\)d \\([0-9]+\\)h \\([0-9]+\\)m \\([0-9]+\\)s"
1099                 s)
1100                (+ (* 60 (+ (* 60 (+ (* 24 (string-to-number (match-string 1 s)))
1101                                     (string-to-number (match-string 2 s))))
1102                            (string-to-number (match-string 3 s))))
1103                   (string-to-number (match-string 4 s))))
1104               (t (time-to-number-of-days (apply 'encode-time
1105                                                 (org-parse-time-string s t))))))
1106        ((string-match ":" s)
1107         (let ((l (nreverse (org-split-string s ":"))) (sum 0.0))
1108           (while l
1109             (setq sum (+ (string-to-number (pop l)) (/ sum 60))))
1110           sum))
1111        ((memq fmt '(checkbox checkbox-n-of-m checkbox-percent))
1112         (if (equal s "[X]") 1. 0.000001))
1113        ((memq fmt '(estimate)) (org-string-to-estimate s))
1114        ((string-match (concat "\\([0-9.]+\\) *\\("
1115                               (regexp-opt (mapcar 'car org-effort-durations))
1116                               "\\)") s)
1117         (setq s (concat "0:" (org-duration-string-to-minutes s t)))
1118         (let ((l (nreverse (org-split-string s ":"))) (sum 0.0))
1119           (while l
1120             (setq sum (+ (string-to-number (pop l)) (/ sum 60))))
1121           sum))
1122        (t (string-to-number s)))))
1123
1124 (defun org-columns-uncompile-format (cfmt)
1125   "Turn the compiled columns format back into a string representation."
1126   (let ((rtn "") e s prop title op op-match width fmt printf fun calc ee map)
1127     (while (setq e (pop cfmt))
1128       (setq prop (car e)
1129             title (nth 1 e)
1130             width (nth 2 e)
1131             op (nth 3 e)
1132             fmt (nth 4 e)
1133             printf (nth 5 e)
1134             fun (nth 6 e)
1135             calc (nth 7 e))
1136       (setq map (copy-sequence org-columns-compile-map))
1137       (while (setq ee (pop map))
1138         (if (equal fmt (nth 1 ee))
1139             (setq op (car ee) map nil)))
1140       (if (and op printf) (setq op (concat op ";" printf)))
1141       (if (equal title prop) (setq title nil))
1142       (setq s (concat "%" (if width (number-to-string width))
1143                       prop
1144                       (if title (concat "(" title ")"))
1145                       (if op (concat "{" op "}"))))
1146       (setq rtn (concat rtn " " s)))
1147     (org-trim rtn)))
1148
1149 (defun org-columns-compile-format (fmt)
1150   "Turn a column format string FMT into an alist of specifications.
1151
1152 The alist has one entry for each column in the format.  The elements of
1153 that list are:
1154 property     the property
1155 title        the title field for the columns
1156 width        the column width in characters, can be nil for automatic
1157 operator     the operator if any
1158 format       the output format for computed results, derived from operator
1159 printf       a printf format for computed values
1160 fun          the lisp function to compute summary values, derived from operator
1161 calc         function to get values from base elements
1162
1163 This function updates `org-columns-current-fmt-compiled'."
1164   (let ((start 0) width prop title op op-match f printf fun calc)
1165     (setq org-columns-current-fmt-compiled nil)
1166     (while (string-match
1167             (org-re "%\\([0-9]+\\)?\\([[:alnum:]_-]+\\)\\(?:(\\([^)]+\\))\\)?\\(?:{\\([^}]+\\)}\\)?\\s-*")
1168             fmt start)
1169       (setq start (match-end 0)
1170             width (match-string 1 fmt)
1171             prop (match-string 2 fmt)
1172             title (or (match-string 3 fmt) prop)
1173             op (match-string 4 fmt)
1174             f nil
1175             printf nil
1176             fun '+
1177             calc nil)
1178       (if width (setq width (string-to-number width)))
1179       (when (and op (string-match ";" op))
1180         (setq printf (substring op (match-end 0))
1181               op (substring op 0 (match-beginning 0))))
1182       (when (setq op-match (assoc op org-columns-compile-map))
1183         (setq f (cadr op-match)
1184               fun (caddr op-match)
1185               calc (cadddr op-match)))
1186       (push (list prop title width op f printf fun calc)
1187             org-columns-current-fmt-compiled))
1188     (setq org-columns-current-fmt-compiled
1189           (nreverse org-columns-current-fmt-compiled))))
1190
1191
1192 ;;; Dynamic block for Column view
1193
1194 (defvar org-heading-regexp) ; defined in org.el
1195 (defvar org-heading-keyword-regexp-format) ; defined in org.el
1196 (defun org-columns-capture-view (&optional maxlevel skip-empty-rows)
1197   "Get the column view of the current buffer or subtree.
1198 The first optional argument MAXLEVEL sets the level limit.  A
1199 second optional argument SKIP-EMPTY-ROWS tells whether to skip
1200 empty rows, an empty row being one where all the column view
1201 specifiers except ITEM are empty.  This function returns a list
1202 containing the title row and all other rows.  Each row is a list
1203 of fields."
1204   (save-excursion
1205     (let* ((title (mapcar 'cadr org-columns-current-fmt-compiled))
1206            (re-archive (concat ".*:" org-archive-tag ":"))
1207            (n (length title)) row tbl)
1208       (goto-char (point-min))
1209       (while (re-search-forward org-heading-regexp nil t)
1210         (catch 'next
1211           (when (and (or (null maxlevel)
1212                          (>= maxlevel
1213                              (if org-odd-levels-only
1214                                  (/ (1+ (length (match-string 1))) 2)
1215                                (length (match-string 1)))))
1216                      (get-char-property (match-beginning 0) 'org-columns-key))
1217             (when (or (org-in-commented-heading-p t)
1218                       (save-excursion
1219                         (beginning-of-line)
1220                         (looking-at re-archive)))
1221               (org-end-of-subtree t)
1222               (throw 'next t))
1223             (setq row nil)
1224             (loop for i from 0 to (1- n) do
1225                   (push
1226                    (org-quote-vert
1227                     (or (get-char-property (+ (match-beginning 0) i) 'org-columns-value-modified)
1228                         (get-char-property (+ (match-beginning 0) i) 'org-columns-value)
1229                         ""))
1230                    row))
1231             (setq row (nreverse row))
1232             (unless (and skip-empty-rows
1233                          (eq 1 (length (delete "" (delete-dups (copy-sequence row))))))
1234               (push row tbl)))))
1235       (append (list title 'hline) (nreverse tbl)))))
1236
1237 ;;;###autoload
1238 (defun org-dblock-write:columnview (params)
1239   "Write the column view table.
1240 PARAMS is a property list of parameters:
1241
1242 :width    enforce same column widths with <N> specifiers.
1243 :id       the :ID: property of the entry where the columns view
1244           should be built.  When the symbol `local', call locally.
1245           When `global' call column view with the cursor at the beginning
1246           of the buffer (usually this means that the whole buffer switches
1247           to column view).  When \"file:path/to/file.org\", invoke column
1248           view at the start of that file.  Otherwise, the ID is located
1249           using `org-id-find'.
1250 :hlines   When t, insert a hline before each item.  When a number, insert
1251           a hline before each level <= that number.
1252 :vlines   When t, make each column a colgroup to enforce vertical lines.
1253 :maxlevel When set to a number, don't capture headlines below this level.
1254 :skip-empty-rows
1255           When t, skip rows where all specifiers other than ITEM are empty.
1256 :format   When non-nil, specify the column view format to use."
1257   (let ((pos (point-marker))
1258         (hlines (plist-get params :hlines))
1259         (vlines (plist-get params :vlines))
1260         (maxlevel (plist-get params :maxlevel))
1261         (content-lines (org-split-string (plist-get params :content) "\n"))
1262         (skip-empty-rows (plist-get params :skip-empty-rows))
1263         (columns-fmt (plist-get params :format))
1264         (case-fold-search t)
1265         tbl id idpos nfields tmp recalc line
1266         id-as-string view-file view-pos)
1267     (when (setq id (plist-get params :id))
1268       (setq id-as-string (cond ((numberp id) (number-to-string id))
1269                                ((symbolp id) (symbol-name id))
1270                                ((stringp id) id)
1271                                (t "")))
1272       (cond ((not id) nil)
1273             ((eq id 'global) (setq view-pos (point-min)))
1274             ((eq id 'local))
1275             ((string-match "^file:\\(.*\\)" id-as-string)
1276              (setq view-file (match-string 1 id-as-string)
1277                    view-pos 1)
1278              (unless (file-exists-p view-file)
1279                (error "No such file: \"%s\"" id-as-string)))
1280             ((setq idpos (org-find-entry-with-id id))
1281              (setq view-pos idpos))
1282             ((setq idpos (org-id-find id))
1283              (setq view-file (car idpos))
1284              (setq view-pos (cdr idpos)))
1285             (t (error "Cannot find entry with :ID: %s" id))))
1286     (with-current-buffer (if view-file
1287                              (get-file-buffer view-file)
1288                            (current-buffer))
1289       (save-excursion
1290         (save-restriction
1291           (widen)
1292           (goto-char (or view-pos (point)))
1293           (org-columns columns-fmt)
1294           (setq tbl (org-columns-capture-view maxlevel skip-empty-rows))
1295           (setq nfields (length (car tbl)))
1296           (org-columns-quit))))
1297     (goto-char pos)
1298     (move-marker pos nil)
1299     (when tbl
1300       (when (plist-get params :hlines)
1301         (setq tmp nil)
1302         (while tbl
1303           (if (eq (car tbl) 'hline)
1304               (push (pop tbl) tmp)
1305             (if (string-match "\\` *\\(\\*+\\)" (caar tbl))
1306                 (if (and (not (eq (car tmp) 'hline))
1307                          (or (eq hlines t)
1308                              (and (numberp hlines)
1309                                   (<= (- (match-end 1) (match-beginning 1))
1310                                       hlines))))
1311                     (push 'hline tmp)))
1312             (push (pop tbl) tmp)))
1313         (setq tbl (nreverse tmp)))
1314       (when vlines
1315         (setq tbl (mapcar (lambda (x)
1316                             (if (eq 'hline x) x (cons "" x)))
1317                           tbl))
1318         (setq tbl (append tbl (list (cons "/" (make-list nfields "<>"))))))
1319       (when content-lines
1320         (while (string-match "^#" (car content-lines))
1321           (insert (pop content-lines) "\n")))
1322       (setq pos (point))
1323       (insert (org-listtable-to-string tbl))
1324       (when (plist-get params :width)
1325         (insert "\n|" (mapconcat (lambda (x) (format "<%d>" (max 3 x)))
1326                                  org-columns-current-widths "|")))
1327       (while (setq line (pop content-lines))
1328         (when (string-match "^#" line)
1329           (insert "\n" line)
1330           (when (string-match "^[ \t]*#\\+tblfm" line)
1331             (setq recalc t))))
1332       (if recalc
1333           (progn (goto-char pos) (org-table-recalculate 'all))
1334         (goto-char pos)
1335         (org-table-align)))))
1336
1337 (defun org-listtable-to-string (tbl)
1338   "Convert a listtable TBL to a string that contains the Org-mode table.
1339 The table still need to be aligned.  The resulting string has no leading
1340 and tailing newline characters."
1341   (mapconcat
1342    (lambda (x)
1343      (cond
1344       ((listp x)
1345        (concat "|" (mapconcat 'identity x "|") "|"))
1346       ((eq x 'hline) "|-|")
1347       (t (error "Garbage in listtable: %s" x))))
1348    tbl "\n"))
1349
1350 ;;;###autoload
1351 (defun org-insert-columns-dblock ()
1352   "Create a dynamic block capturing a column view table."
1353   (interactive)
1354   (let ((defaults '(:name "columnview" :hlines 1))
1355         (id (org-icompleting-read
1356              "Capture columns (local, global, entry with :ID: property) [local]: "
1357              (append '(("global") ("local"))
1358                      (mapcar 'list (org-property-values "ID"))))))
1359     (if (equal id "") (setq id 'local))
1360     (if (equal id "global") (setq id 'global))
1361     (setq defaults (append defaults (list :id id)))
1362     (org-create-dblock defaults)
1363     (org-update-dblock)))
1364
1365 ;;; Column view in the agenda
1366
1367 (defvar org-agenda-view-columns-initially nil
1368   "When set, switch to columns view immediately after creating the agenda.")
1369
1370 (defvar org-agenda-columns-show-summaries) ; defined in org-agenda.el
1371 (defvar org-agenda-columns-compute-summary-properties); defined in org-agenda.el
1372 (defvar org-agenda-columns-add-appointments-to-effort-sum); as well
1373
1374 ;;;###autoload
1375 (defun org-agenda-columns ()
1376   "Turn on or update column view in the agenda."
1377   (interactive)
1378   (org-verify-version 'columns)
1379   (org-columns-remove-overlays)
1380   (move-marker org-columns-begin-marker (point))
1381   (let ((org-columns-time (time-to-number-of-days (current-time)))
1382         (fmt
1383          (cond
1384           ((org-bound-and-true-p org-agenda-overriding-columns-format))
1385           ((let ((m (org-get-at-bol 'org-hd-marker)))
1386              (and m
1387                   (or (org-entry-get m "COLUMNS" t)
1388                       (with-current-buffer (marker-buffer m)
1389                         org-columns-default-format)))))
1390           ((and (local-variable-p 'org-columns-current-fmt)
1391                 org-columns-current-fmt))
1392           ((let ((m (next-single-property-change (point-min) 'org-hd-marker)))
1393              (and m
1394                   (let ((m (get-text-property m 'org-hd-marker)))
1395                     (or (org-entry-get m "COLUMNS" t)
1396                         (with-current-buffer (marker-buffer m)
1397                           org-columns-default-format))))))
1398           (t org-columns-default-format))))
1399     (org-set-local 'org-columns-current-fmt fmt)
1400     (org-columns-compile-format fmt)
1401     (when org-agenda-columns-compute-summary-properties
1402       (org-agenda-colview-compute org-columns-current-fmt-compiled))
1403     (save-excursion
1404       ;; Collect properties for each headline in current view.
1405       (goto-char (point-min))
1406       (let (cache)
1407         (let ((names (mapcar #'car org-columns-current-fmt-compiled)) m)
1408           (while (not (eobp))
1409             (when (setq m (or (org-get-at-bol 'org-hd-marker)
1410                               (org-get-at-bol 'org-marker)))
1411               (push
1412                (cons
1413                 (line-beginning-position)
1414                 (org-with-point-at m
1415                   (mapcar
1416                    (lambda (name)
1417                      (let ((value (org-columns--value name (point))))
1418                        (cons
1419                         name
1420                         (if (and org-agenda-columns-add-appointments-to-effort-sum
1421                                  (not value)
1422                                  (eq (compare-strings name nil nil
1423                                                       org-effort-property nil nil
1424                                                       t)
1425                                      t)
1426                                  ;; Effort property is not defined.  Try
1427                                  ;; to use appointment duration.
1428                                  (get-text-property (point) 'duration))
1429                             (org-propertize
1430                              (org-minutes-to-clocksum-string
1431                               (get-text-property (point) 'duration))
1432                              'face 'org-warning)
1433                           value))))
1434                    names)))
1435                cache))
1436             (forward-line)))
1437         (when cache
1438           (org-set-local 'org-columns-current-maxwidths
1439                          (org-columns-get-autowidth-alist fmt cache))
1440           (org-columns-display-here-title)
1441           (when (org-set-local 'org-columns-flyspell-was-active
1442                                (org-bound-and-true-p flyspell-mode))
1443             (flyspell-mode 0))
1444           (dolist (x cache)
1445             (goto-char (car x))
1446             (org-columns-display-here (cdr x)))
1447           (when org-agenda-columns-show-summaries
1448             (org-agenda-colview-summarize cache)))))))
1449
1450 (defun org-agenda-colview-summarize (cache)
1451   "Summarize the summarizable columns in column view in the agenda.
1452 This will add overlays to the date lines, to show the summary for each day."
1453   (let* ((fmt (mapcar (lambda (x)
1454                         (if (string-match "CLOCKSUM.*" (car x))
1455                             (list (match-string 0 (car x))
1456                                   (nth 1 x) (nth 2 x) ":" 'add_times
1457                                   nil '+ nil)
1458                           x))
1459                       org-columns-current-fmt-compiled))
1460          line c c1 stype calc sumfunc props lsum entries prop v title)
1461     (catch 'exit
1462       (when (delq nil (mapcar 'cadr fmt))
1463         ;; OK, at least one summation column, it makes sense to try this
1464         (goto-char (point-max))
1465         (while t
1466           (when (or (get-text-property (point) 'org-date-line)
1467                     (eq (get-text-property (point) 'face)
1468                         'org-agenda-structure))
1469             ;; OK, this is a date line that should be used
1470             (setq line (org-current-line))
1471             (setq entries nil c cache cache nil)
1472             (while (setq c1 (pop c))
1473               (if (> (car c1) line)
1474                   (push c1 entries)
1475                 (push c1 cache)))
1476             ;; now ENTRIES are the ones we want to use, CACHE is the rest
1477             ;; Compute the summaries for the properties we want,
1478             ;; set nil properties for the rest.
1479             (when (setq entries (mapcar 'cdr entries))
1480               (setq props
1481                     (mapcar
1482                      (lambda (f)
1483                        (setq prop (car f)
1484                              title (nth 1 f)
1485                              stype (nth 4 f)
1486                              sumfunc (nth 6 f)
1487                              calc (or (nth 7 f) 'identity))
1488                        (cond
1489                         ((equal prop "ITEM")
1490                          (cons prop (buffer-substring (point-at-bol)
1491                                                       (point-at-eol))))
1492                         ((not stype) (cons prop ""))
1493                         (t ;; do the summary
1494                          (setq lsum nil)
1495                          (dolist (x entries)
1496                            (setq v (cdr (assoc-string prop x t)))
1497                            (if v
1498                                (push
1499                                 (funcall
1500                                  (if (not (get-text-property 0 'org-computed v))
1501                                      calc
1502                                    'identity)
1503                                  (org-columns-string-to-number
1504                                   v stype))
1505                                 lsum)))
1506                          (setq lsum (remove nil lsum))
1507                          (setq lsum
1508                                (cond ((> (length lsum) 1)
1509                                       (org-columns-number-to-string
1510                                        (apply sumfunc lsum) stype))
1511                                      ((eq (length lsum) 1)
1512                                       (org-columns-number-to-string
1513                                        (car lsum) stype))
1514                                      (t "")))
1515                          (put-text-property 0 (length lsum) 'face 'bold lsum)
1516                          (unless (eq calc 'identity)
1517                            (put-text-property 0 (length lsum) 'org-computed t lsum))
1518                          (cons prop lsum))))
1519                      fmt))
1520               (org-columns-display-here props 'dateline)
1521               (org-set-local 'org-agenda-columns-active t)))
1522           (if (bobp) (throw 'exit t))
1523           (beginning-of-line 0))))))
1524
1525 (defun org-agenda-colview-compute (fmt)
1526   "Compute the relevant columns in the contributing source buffers."
1527   (let ((files org-agenda-contributing-files)
1528         (org-columns-begin-marker (make-marker))
1529         (org-columns-top-level-marker (make-marker))
1530         f fm a b)
1531     (while (setq f (pop files))
1532       (setq b (find-buffer-visiting f))
1533       (with-current-buffer (or (buffer-base-buffer b) b)
1534         (save-excursion
1535           (save-restriction
1536             (widen)
1537             (org-with-silent-modifications
1538              (remove-text-properties (point-min) (point-max) '(org-summaries t)))
1539             (goto-char (point-min))
1540             (org-columns-get-format-and-top-level)
1541             (while (setq fm (pop fmt))
1542               (cond ((equal (car fm) "CLOCKSUM")
1543                      (org-clock-sum))
1544                     ((equal (car fm) "CLOCKSUM_T")
1545                      (org-clock-sum-today))
1546                     ((and (nth 4 fm)
1547                           (setq a (assoc-string (car fm)
1548                                                 org-columns-current-fmt-compiled
1549                                                 t))
1550                           (equal (nth 4 a) (nth 4 fm)))
1551                      (org-columns-compute (car fm)))))))))))
1552
1553 (defun org-format-time-period (interval)
1554   "Convert time in fractional days to days/hours/minutes/seconds."
1555   (if (numberp interval)
1556       (let* ((days (floor interval))
1557              (frac-hours (* 24 (- interval days)))
1558              (hours (floor frac-hours))
1559              (minutes (floor (* 60 (- frac-hours hours))))
1560              (seconds (floor (* 60 (- (* 60 (- frac-hours hours)) minutes)))))
1561         (format "%dd %02dh %02dm %02ds" days hours minutes seconds))
1562     ""))
1563
1564 (defun org-estimate-mean-and-var (v)
1565   "Return the mean and variance of an estimate."
1566   (let* ((v (cond ((consp v) v)
1567                   ((numberp v) (list v v))
1568                   (t (error "Invalid estimate type"))))
1569          (low (float (car v)))
1570          (high (float (cadr v)))
1571          (mean (/ (+ low high) 2.0))
1572          (var (/ (+ (expt (- mean low) 2.0) (expt (- high mean) 2.0)) 2.0)))
1573     (list  mean var)))
1574
1575 (defun org-estimate-combine (&rest el)
1576   "Combine a list of estimates, using mean and variance.
1577 The mean and variance of the result will be the sum of the means
1578 and variances (respectively) of the individual estimates."
1579   (let ((mean 0)
1580         (var 0))
1581     (mapc (lambda (e)
1582             (let ((stats (org-estimate-mean-and-var e)))
1583               (setq mean (+ mean (car stats)))
1584               (setq var (+ var (cadr stats)))))
1585           el)
1586     (let ((stdev (sqrt var)))
1587       (list (- mean stdev) (+ mean stdev)))))
1588
1589 (defun org-estimate-print (e &optional fmt)
1590   "Prepare a string representation of an estimate.
1591 This formats these numbers as two numbers with a \"-\" between them."
1592   (let ((fmt (or fmt "%.0f"))
1593         (e (cond ((consp e) e)
1594                  ((numberp e) (list e e))
1595                  (t (error "Invalid estimate type")))))
1596     (format "%s" (mapconcat (lambda (n) (format fmt n)) e "-"))))
1597
1598 (defun org-string-to-estimate (s)
1599   "Convert a string to an estimate.
1600 The string should be two numbers joined with a \"-\"."
1601   (if (string-match "\\(.*\\)-\\(.*\\)" s)
1602       (list (string-to-number (match-string 1 s))
1603             (string-to-number(match-string 2 s)))
1604     (list (string-to-number s) (string-to-number s))))
1605
1606 (provide 'org-colview)
1607
1608 ;;; org-colview.el ends here