lisp/org-colview.el

   1 ;;; org-colview.el --- Column View in Org-mode
   2
   3 ;; Copyright (C) 2004-2011 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
  37 (when (featurep 'xemacs)
  38   (error "Do not load this file into XEmacs, use 'org-colview-xemacs.el'."))
  39
  40 ;;; Column View
  41
  42 (defvar org-columns-overlays nil
  43   "Holds the list of current column overlays.")
  44
  45 (defvar org-columns-current-fmt nil
  46   "Local variable, holds the currently active column format.")
  47 (make-variable-buffer-local 'org-columns-current-fmt)
  48 (defvar org-columns-current-fmt-compiled nil
  49   "Local variable, holds the currently active column format.
  50 This is the compiled version of the format.")
  51 (make-variable-buffer-local 'org-columns-current-fmt-compiled)
  52 (defvar org-columns-current-widths nil
  53   "Loval variable, holds the currently widths of fields.")
  54 (make-variable-buffer-local 'org-columns-current-widths)
  55 (defvar org-columns-current-maxwidths nil
  56   "Loval variable, holds the currently active maximum column widths.")
  57 (make-variable-buffer-local 'org-columns-current-maxwidths)
  58 (defvar org-columns-begin-marker (make-marker)
  59   "Points to the position where last a column creation command was called.")
  60 (defvar org-columns-top-level-marker (make-marker)
  61   "Points to the position where current columns region starts.")
  62
  63 (defvar org-columns-map (make-sparse-keymap)
  64   "The keymap valid in column display.")
  65
  66 (defun org-columns-content ()
  67   "Switch to contents view while in columns view."
  68   (interactive)
  69   (org-overview)
  70   (org-content))
  71
  72 (org-defkey org-columns-map "c" 'org-columns-content)
  73 (org-defkey org-columns-map "o" 'org-overview)
  74 (org-defkey org-columns-map "e" 'org-columns-edit-value)
  75 (org-defkey org-columns-map "\C-c\C-t" 'org-columns-todo)
  76 (org-defkey org-columns-map "\C-c\C-c" 'org-columns-set-tags-or-toggle)
  77 (org-defkey org-columns-map "\C-c\C-o" 'org-columns-open-link)
  78 (org-defkey org-columns-map "v" 'org-columns-show-value)
  79 (org-defkey org-columns-map "q" 'org-columns-quit)
  80 (org-defkey org-columns-map "r" 'org-columns-redo)
  81 (org-defkey org-columns-map "g" 'org-columns-redo)
  82 (org-defkey org-columns-map [left] 'backward-char)
  83 (org-defkey org-columns-map "\M-b" 'backward-char)
  84 (org-defkey org-columns-map "a" 'org-columns-edit-allowed)
  85 (org-defkey org-columns-map "s" 'org-columns-edit-attributes)
  86 (org-defkey org-columns-map "\M-f"
  87             (lambda () (interactive) (goto-char (1+ (point)))))
  88 (org-defkey org-columns-map [right]
  89             (lambda () (interactive) (goto-char (1+ (point)))))
  90 (org-defkey org-columns-map [down]
  91             (lambda () (interactive)
  92               (let ((col (current-column)))
  93                 (beginning-of-line 2)
  94                 (while (and (org-invisible-p2) (not (eobp)))
  95                   (beginning-of-line 2))
  96                 (move-to-column col)
  97                 (if (eq major-mode 'org-agenda-mode)
  98                     (org-agenda-do-context-action)))))
  99 (org-defkey org-columns-map [up]
 100             (lambda () (interactive)
 101               (let ((col (current-column)))
 102                 (beginning-of-line 0)
 103                 (while (and (org-invisible-p2) (not (bobp)))
 104                   (beginning-of-line 0))
 105                 (move-to-column col)
 106                 (if (eq major-mode 'org-agenda-mode)
 107                     (org-agenda-do-context-action)))))
 108 (org-defkey org-columns-map [(shift right)] 'org-columns-next-allowed-value)
 109 (org-defkey org-columns-map "n" 'org-columns-next-allowed-value)
 110 (org-defkey org-columns-map [(shift left)] 'org-columns-previous-allowed-value)
 111 (org-defkey org-columns-map "p" 'org-columns-previous-allowed-value)
 112 (org-defkey org-columns-map "<" 'org-columns-narrow)
 113 (org-defkey org-columns-map ">" 'org-columns-widen)
 114 (org-defkey org-columns-map [(meta right)] 'org-columns-move-right)
 115 (org-defkey org-columns-map [(meta left)] 'org-columns-move-left)
 116 (org-defkey org-columns-map [(shift meta right)] 'org-columns-new)
 117 (org-defkey org-columns-map [(shift meta left)] 'org-columns-delete)
 118 (dotimes (i 10)
 119   (org-defkey org-columns-map (number-to-string i)
 120               `(lambda () (interactive)
 121                  (org-columns-next-allowed-value nil ,i))))
 122
 123 (easy-menu-define org-columns-menu org-columns-map "Org Column Menu"
 124   '("Column"
 125     ["Edit property" org-columns-edit-value t]
 126     ["Next allowed value" org-columns-next-allowed-value t]
 127     ["Previous allowed value" org-columns-previous-allowed-value t]
 128     ["Show full value" org-columns-show-value t]
 129     ["Edit allowed values" org-columns-edit-allowed t]
 130     "--"
 131     ["Edit column attributes" org-columns-edit-attributes t]
 132     ["Increase column width" org-columns-widen t]
 133     ["Decrease column width" org-columns-narrow t]
 134     "--"
 135     ["Move column right" org-columns-move-right t]
 136     ["Move column left" org-columns-move-left t]
 137     ["Add column" org-columns-new t]
 138     ["Delete column" org-columns-delete t]
 139     "--"
 140     ["CONTENTS" org-columns-content t]
 141     ["OVERVIEW" org-overview t]
 142     ["Refresh columns display" org-columns-redo t]
 143     "--"
 144     ["Open link" org-columns-open-link t]
 145     "--"
 146     ["Quit" org-columns-quit t]))
 147
 148 (defun org-columns-new-overlay (beg end &optional string face)
 149   "Create a new column overlay and add it to the list."
 150   (let ((ov (make-overlay beg end)))
 151     (overlay-put ov 'face (or face 'secondary-selection))
 152     (org-overlay-display ov string face)
 153     (push ov org-columns-overlays)
 154     ov))
 155
 156 (defun org-columns-display-here (&optional props dateline)
 157   "Overlay the current line with column display."
 158   (interactive)
 159   (let* ((fmt org-columns-current-fmt-compiled)
 160          (beg (point-at-bol))
 161          (level-face (save-excursion
 162                        (beginning-of-line 1)
 163                        (and (looking-at "\\(\\**\\)\\(\\* \\)")
 164                             (org-get-level-face 2))))
 165          (ref-face (or level-face
 166                        (and (eq major-mode 'org-agenda-mode)
 167                             (get-text-property (point-at-bol) 'face))
 168                        'default))
 169          (color (list :foreground (face-attribute ref-face :foreground)))
 170          (face (list color 'org-column ref-face))
 171          (face1 (list color 'org-agenda-column-dateline ref-face))
 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                           ;; When in a buffer, get the whole line,
 188                           ;; we'll clean it later…
 189                           (if (eq major-mode 'org-mode)
 190                               (save-match-data
 191                                 (org-no-properties
 192                                  (org-remove-tabs
 193                                   (buffer-substring-no-properties
 194                                    (point-at-bol) (point-at-eol)))))
 195                             ;; In agenda, just get the `txt' property
 196                             (org-no-properties
 197                              (org-get-at-bol 'txt))))
 198                   (assoc property props))
 199             width (or (cdr (assoc property org-columns-current-maxwidths))
 200                       (nth 2 column)
 201                       (length property))
 202             f (format "%%-%d.%ds | " width width)
 203             calc (nth 7 column)
 204             val (or (cdr ass) "")
 205             modval (cond ((and org-columns-modify-value-for-display-function
 206                                (functionp
 207                                 org-columns-modify-value-for-display-function))
 208                           (funcall org-columns-modify-value-for-display-function
 209                                    title val))
 210                          ((equal property "ITEM")
 211                           (org-columns-cleanup-item
 212                            val org-columns-current-fmt-compiled
 213                            (or org-complex-heading-regexp cphr)))
 214                          ((and calc (functionp calc)
 215                                (not (string= val ""))
 216                                (not (get-text-property 0 'org-computed val)))
 217                           (org-columns-number-to-string
 218                            (funcall calc (org-columns-string-to-number
 219                                           val (nth 4 column)))
 220                            (nth 4 column)))))
 221       (setq s2 (org-columns-add-ellipses (or modval val) width))
 222       (setq string (format f s2))
 223       ;; Create the overlay
 224       (org-unmodified
 225        (setq ov (org-columns-new-overlay
 226                  beg (setq beg (1+ beg)) string (if dateline face1 face)))
 227        (overlay-put ov 'keymap org-columns-map)
 228        (overlay-put ov 'org-columns-key property)
 229        (overlay-put ov 'org-columns-value (cdr ass))
 230        (overlay-put ov 'org-columns-value-modified modval)
 231        (overlay-put ov 'org-columns-pom pom)
 232        (overlay-put ov 'org-columns-format f)
 233        (overlay-put ov 'line-prefix "")
 234        (overlay-put ov 'wrap-prefix ""))
 235       (if (or (not (char-after beg))
 236               (equal (char-after beg) ?\n))
 237           (let ((inhibit-read-only t))
 238             (save-excursion
 239               (goto-char beg)
 240               (org-unmodified (insert " ")))))) ;; FIXME: add props and remove later?
 241       ;; Make the rest of the line disappear.
 242       (org-unmodified
 243        (setq ov (org-columns-new-overlay beg (point-at-eol)))
 244        (overlay-put ov 'invisible t)
 245        (overlay-put ov 'keymap org-columns-map)
 246        (overlay-put ov 'intangible t)
 247        (overlay-put ov 'line-prefix "")
 248        (overlay-put ov 'wrap-prefix "")
 249        (push ov org-columns-overlays)
 250        (setq ov (make-overlay (1- (point-at-eol)) (1+ (point-at-eol))))
 251        (overlay-put ov 'keymap org-columns-map)
 252        (push ov org-columns-overlays)
 253        (let ((inhibit-read-only t))
 254          (put-text-property (max (point-min) (1- (point-at-bol)))
 255                           (min (point-max) (1+ (point-at-eol)))
 256                           'read-only "Type `e' to edit property")))))
 257
 258 (defun org-columns-add-ellipses (string width)
 259   "Truncate STRING with WIDTH characters, with ellipses."
 260   (cond
 261    ((<= (length string) width) string)
 262    ((<= width (length org-columns-ellipses))
 263     (substring org-columns-ellipses 0 width))
 264    (t (concat (substring string 0 (- width (length org-columns-ellipses)))
 265               org-columns-ellipses))))
 266
 267 (defvar org-columns-full-header-line-format nil
 268   "The full header line format, will be shifted by horizontal scrolling." )
 269 (defvar org-previous-header-line-format nil
 270   "The header line format before column view was turned on.")
 271 (defvar org-columns-inhibit-recalculation nil
 272   "Inhibit recomputing of columns on column view startup.")
 273 (defvar org-columns-flyspell-was-active nil
 274   "Remember the state of `flyspell-mode' before column view.
 275 Flyspell-mode can cause problems in columns view, so it is turned off
 276 for the duration of the command.")
 277
 278 (defvar header-line-format)
 279 (defvar org-columns-previous-hscroll 0)
 280
 281 (defun org-columns-display-here-title ()
 282   "Overlay the newline before the current line with the table title."
 283   (interactive)
 284   (let ((fmt org-columns-current-fmt-compiled)
 285         string (title "")
 286         property width f column str widths)
 287     (while (setq column (pop fmt))
 288       (setq property (car column)
 289             str (or (nth 1 column) property)
 290             width (or (cdr (assoc property org-columns-current-maxwidths))
 291                       (nth 2 column)
 292                       (length str))
 293             widths (push width widths)
 294             f (format "%%-%d.%ds | " width width)
 295             string (format f str)
 296             title (concat title string)))
 297     (setq title (concat
 298                  (org-add-props " " nil 'display '(space :align-to 0))
 299                  ;;(org-add-props title nil 'face '(:weight bold :underline t :inherit default))))
 300                  (org-add-props title nil 'face 'org-column-title)))
 301     (org-set-local 'org-previous-header-line-format header-line-format)
 302     (org-set-local 'org-columns-current-widths (nreverse widths))
 303     (setq org-columns-full-header-line-format title)
 304     (setq org-columns-previous-hscroll -1)
 305 ;    (org-columns-hscoll-title)
 306     (org-add-hook 'post-command-hook 'org-columns-hscoll-title nil 'local)))
 307
 308 (defun org-columns-hscoll-title ()
 309   "Set the `header-line-format' so that it scrolls along with the table."
 310   (sit-for .0001) ; need to force a redisplay to update window-hscroll
 311   (when (not (= (window-hscroll) org-columns-previous-hscroll))
 312     (setq header-line-format
 313           (concat (substring org-columns-full-header-line-format 0 1)
 314                   (substring org-columns-full-header-line-format
 315                              (1+ (window-hscroll))))
 316           org-columns-previous-hscroll (window-hscroll))
 317     (force-mode-line-update)))
 318
 319 (defvar org-colview-initial-truncate-line-value nil
 320   "Remember the value of `truncate-lines' across colview.")
 321
 322 (defun org-columns-remove-overlays ()
 323   "Remove all currently active column overlays."
 324   (interactive)
 325   (when (marker-buffer org-columns-begin-marker)
 326     (with-current-buffer (marker-buffer org-columns-begin-marker)
 327       (when (local-variable-p 'org-previous-header-line-format)
 328         (setq header-line-format org-previous-header-line-format)
 329         (kill-local-variable 'org-previous-header-line-format)
 330         (remove-hook 'post-command-hook 'org-columns-hscoll-title 'local))
 331       (move-marker org-columns-begin-marker nil)
 332       (move-marker org-columns-top-level-marker nil)
 333       (org-unmodified
 334        (mapc 'delete-overlay org-columns-overlays)
 335        (setq org-columns-overlays nil)
 336        (let ((inhibit-read-only t))
 337          (remove-text-properties (point-min) (point-max) '(read-only t))))
 338       (when org-columns-flyspell-was-active
 339         (flyspell-mode 1))
 340       (when (local-variable-p 'org-colview-initial-truncate-line-value)
 341         (setq truncate-lines org-colview-initial-truncate-line-value)))))
 342
 343 (defun org-columns-cleanup-item (item fmt cphr)
 344   "Remove from ITEM what is a column in the format FMT.
 345 CPHR is the complex heading regexp to use for parsing ITEM."
 346   (let (fixitem)
 347     (if (not cphr)
 348         item
 349       (unless (string-match "^\*+ " item)
 350         (setq item (concat "* " item) fixitem t))
 351       (if (string-match cphr item)
 352           (setq item
 353                 (concat
 354                  (org-add-props (match-string 1 item) nil
 355                    'org-whitespace (* 2 (1- (org-reduced-level (- (match-end 1) (match-beginning 1))))))
 356                  (and (match-end 2) (not (assoc "TODO" fmt)) (concat " " (match-string 2 item)))
 357                  (and (match-end 3) (not (assoc "PRIORITY" fmt)) (concat " " (match-string 3 item)))
 358                  " " (save-match-data (org-columns-compact-links (match-string 4 item)))
 359                  (and (match-end 5) (not (assoc "TAGS" fmt)) (concat " " (match-string 5 item)))))
 360         (add-text-properties
 361          0 (1+ (match-end 1))
 362          (list 'org-whitespace (* 2 (1- (org-reduced-level (- (match-end 1) (match-beginning 1))))))
 363          item))
 364       (if fixitem (replace-regexp-in-string "^\*+ " "" item) item))))
 365
 366 (defun org-columns-compact-links (s)
 367   "Replace [[link][desc]] with [desc] or [link]."
 368   (while (string-match org-bracket-link-regexp s)
 369     (setq s (replace-match
 370              (concat "[" (match-string (if (match-end 3) 3 1) s) "]")
 371              t t s)))
 372   s)
 373
 374 (defun org-columns-show-value ()
 375   "Show the full value of the property."
 376   (interactive)
 377   (let ((value (get-char-property (point) 'org-columns-value)))
 378     (message "Value is: %s" (or value ""))))
 379
 380 (defvar org-agenda-columns-active) ;; defined in org-agenda.el
 381
 382 (defun org-columns-quit ()
 383   "Remove the column overlays and in this way exit column editing."
 384   (interactive)
 385   (org-unmodified
 386    (org-columns-remove-overlays)
 387    (let ((inhibit-read-only t))
 388      (remove-text-properties (point-min) (point-max) '(read-only t))))
 389   (when (eq major-mode 'org-agenda-mode)
 390     (setq org-agenda-columns-active nil)
 391     (message
 392      "Modification not yet reflected in Agenda buffer, use `r' to refresh")))
 393
 394 (defun org-columns-check-computed ()
 395   "Check if this column value is computed.
 396 If yes, throw an error indicating that changing it does not make sense."
 397   (let ((val (get-char-property (point) 'org-columns-value)))
 398     (when (and (stringp val)
 399                (get-char-property 0 'org-computed val))
 400       (error "This value is computed from the entry's children"))))
 401
 402 (defun org-columns-todo (&optional arg)
 403   "Change the TODO state during column view."
 404   (interactive "P")
 405   (org-columns-edit-value "TODO"))
 406
 407 (defun org-columns-set-tags-or-toggle (&optional arg)
 408   "Toggle checkbox at point, or set tags for current headline."
 409   (interactive "P")
 410   (if (string-match "\\`\\[[ xX-]\\]\\'"
 411                     (get-char-property (point) 'org-columns-value))
 412       (org-columns-next-allowed-value)
 413     (org-columns-edit-value "TAGS")))
 414
 415 (defun org-columns-edit-value (&optional key)
 416   "Edit the value of the property at point in column view.
 417 Where possible, use the standard interface for changing this line."
 418   (interactive)
 419   (org-columns-check-computed)
 420   (let* ((col (current-column))
 421          (key (or key (get-char-property (point) 'org-columns-key)))
 422          (value (get-char-property (point) 'org-columns-value))
 423          (bol (point-at-bol)) (eol (point-at-eol))
 424          (pom (or (get-text-property bol 'org-hd-marker)
 425                   (point))) ; keep despite of compiler waring
 426          (line-overlays
 427           (delq nil (mapcar (lambda (x)
 428                               (and (eq (overlay-buffer x) (current-buffer))
 429                                    (>= (overlay-start x) bol)
 430                                    (<= (overlay-start x) eol)
 431                                    x))
 432                             org-columns-overlays)))
 433          (org-columns-time (time-to-number-of-days (current-time)))
 434          nval eval allowed)
 435     (cond
 436      ((equal key "CLOCKSUM")
 437       (error "This special column cannot be edited"))
 438      ((equal key "ITEM")
 439       (setq eval '(org-with-point-at pom
 440                     (org-edit-headline))))
 441      ((equal key "TODO")
 442       (setq eval '(org-with-point-at
 443                    pom
 444                    (call-interactively 'org-todo))))
 445      ((equal key "PRIORITY")
 446       (setq eval '(org-with-point-at pom
 447                     (call-interactively 'org-priority))))
 448      ((equal key "TAGS")
 449       (setq eval '(org-with-point-at pom
 450                     (let ((org-fast-tag-selection-single-key
 451                            (if (eq org-fast-tag-selection-single-key 'expert)
 452                                t org-fast-tag-selection-single-key)))
 453                       (call-interactively 'org-set-tags)))))
 454      ((equal key "DEADLINE")
 455       (setq eval '(org-with-point-at pom
 456                     (call-interactively 'org-deadline))))
 457      ((equal key "SCHEDULED")
 458       (setq eval '(org-with-point-at pom
 459                     (call-interactively 'org-schedule))))
 460      ((equal key "BEAMER_env")
 461       (setq eval '(org-with-point-at pom
 462                     (call-interactively 'org-beamer-select-environment))))
 463      (t
 464       (setq allowed (org-property-get-allowed-values pom key 'table))
 465       (if allowed
 466           (setq nval (org-icompleting-read
 467                       "Value: " allowed nil
 468                       (not (get-text-property 0 'org-unrestricted
 469                                               (caar allowed)))))
 470         (setq nval (read-string "Edit: " value)))
 471       (setq nval (org-trim nval))
 472       (when (not (equal nval value))
 473         (setq eval '(org-entry-put pom key nval)))))
 474     (when eval
 475
 476       (cond
 477        ((equal major-mode 'org-agenda-mode)
 478         (org-columns-eval eval)
 479         ;; The following let preserves the current format, and makes sure
 480         ;; that in only a single file things need to be updated.
 481         (let* ((org-agenda-overriding-columns-format org-columns-current-fmt)
 482                (buffer (marker-buffer pom))
 483                (org-agenda-contributing-files
 484                 (list (with-current-buffer buffer
 485                         (buffer-file-name (buffer-base-buffer))))))
 486           (org-agenda-columns)))
 487        (t
 488         (let ((inhibit-read-only t))
 489           (org-unmodified
 490            (remove-text-properties
 491             (max (point-min) (1- bol)) eol '(read-only t)))
 492           (unwind-protect
 493               (progn
 494                 (setq org-columns-overlays
 495                       (org-delete-all line-overlays org-columns-overlays))
 496                 (mapc 'delete-overlay line-overlays)
 497                 (org-columns-eval eval))
 498             (org-columns-display-here)))
 499         (org-move-to-column col)
 500         (if (and (eq major-mode 'org-mode)
 501                  (nth 3 (assoc key org-columns-current-fmt-compiled)))
 502             (org-columns-update key)))))))
 503
 504 (defun org-edit-headline () ; FIXME: this is not columns specific.  Make interactive?????  Use from agenda????
 505   "Edit the current headline, the part without TODO keyword, TAGS."
 506   (org-back-to-heading)
 507   (when (looking-at org-todo-line-regexp)
 508     (let ((pos (point))
 509           (pre (buffer-substring (match-beginning 0) (match-beginning 3)))
 510           (txt (match-string 3))
 511           (post "")
 512           txt2)
 513       (if (string-match (org-re "[ \t]+:[[:alnum:]:_@#%]+:[ \t]*$") txt)
 514           (setq post (match-string 0 txt)
 515                 txt (substring txt 0 (match-beginning 0))))
 516       (setq txt2 (read-string "Edit: " txt))
 517       (when (not (equal txt txt2))
 518         (goto-char pos)
 519         (insert pre txt2 post)
 520         (delete-region (point) (point-at-eol))
 521         (org-set-tags nil t)))))
 522
 523 (defun org-columns-edit-allowed ()
 524   "Edit the list of allowed values for the current property."
 525   (interactive)
 526   (let* ((pom (or (org-get-at-bol 'org-marker)
 527                   (org-get-at-bol 'org-hd-marker)
 528                   (point)))
 529          (key (get-char-property (point) 'org-columns-key))
 530          (key1 (concat key "_ALL"))
 531          (allowed (org-entry-get pom key1 t))
 532          nval)
 533     ;; FIXME: Cover editing TODO, TAGS etc in-buffer settings.????
 534     ;; FIXME: Write back to #+PROPERTY setting if that is needed.
 535     (setq nval (read-string "Allowed: " allowed))
 536     (org-entry-put
 537      (cond ((marker-position org-entry-property-inherited-from)
 538             org-entry-property-inherited-from)
 539            ((marker-position org-columns-top-level-marker)
 540             org-columns-top-level-marker)
 541            (t pom))
 542      key1 nval)))
 543
 544 (defun org-columns-eval (form)
 545   (let (hidep)
 546     (save-excursion
 547       (beginning-of-line 1)
 548       ;; `next-line' is needed here, because it skips invisible line.
 549       (condition-case nil (org-no-warnings (next-line 1)) (error nil))
 550       (setq hidep (org-on-heading-p 1)))
 551     (eval form)
 552     (and hidep (hide-entry))))
 553
 554 (defun org-columns-previous-allowed-value ()
 555   "Switch to the previous allowed value for this column."
 556   (interactive)
 557   (org-columns-next-allowed-value t))
 558
 559 (defun org-columns-next-allowed-value (&optional previous nth)
 560   "Switch to the next allowed value for this column.
 561 When PREVIOUS is set, go to the previous value.  When NTH is
 562 an integer, select that value."
 563   (interactive)
 564   (org-columns-check-computed)
 565   (let* ((col (current-column))
 566          (key (get-char-property (point) 'org-columns-key))
 567          (value (get-char-property (point) 'org-columns-value))
 568          (bol (point-at-bol)) (eol (point-at-eol))
 569          (pom (or (get-text-property bol 'org-hd-marker)
 570                   (point))) ; keep despite of compiler waring
 571          (line-overlays
 572           (delq nil (mapcar (lambda (x)
 573                               (and (eq (overlay-buffer x) (current-buffer))
 574                                    (>= (overlay-start x) bol)
 575                                    (<= (overlay-start x) eol)
 576                                    x))
 577                             org-columns-overlays)))
 578          (allowed (or (org-property-get-allowed-values pom key)
 579                       (and (memq
 580                             (nth 4 (assoc key org-columns-current-fmt-compiled))
 581                             '(checkbox checkbox-n-of-m checkbox-percent))
 582                            '("[ ]" "[X]"))
 583                       (org-colview-construct-allowed-dates value)))
 584          nval)
 585     (when (integerp nth)
 586       (setq nth (1- nth))
 587       (if (= nth -1) (setq nth 9)))
 588     (when (equal key "ITEM")
 589       (error "Cannot edit item headline from here"))
 590     (unless (or allowed (member key '("SCHEDULED" "DEADLINE")))
 591       (error "Allowed values for this property have not been defined"))
 592     (if (member key '("SCHEDULED" "DEADLINE"))
 593         (setq nval (if previous 'earlier 'later))
 594       (if previous (setq allowed (reverse allowed)))
 595       (cond
 596        (nth
 597         (setq nval (nth nth allowed))
 598         (if (not nval)
 599             (error "There are only %d allowed values for property `%s'"
 600                    (length allowed) key)))
 601        ((member value allowed)
 602         (setq nval (or (car (cdr (member value allowed)))
 603                        (car allowed)))
 604         (if (equal nval value)
 605             (error "Only one allowed value for this property")))
 606        (t (setq nval (car allowed)))))
 607     (cond
 608      ((equal major-mode 'org-agenda-mode)
 609       (org-columns-eval '(org-entry-put pom key nval))
 610       ;; The following let preserves the current format, and makes sure
 611       ;; that in only a single file things need to be updated.
 612       (let* ((org-agenda-overriding-columns-format org-columns-current-fmt)
 613              (buffer (marker-buffer pom))
 614              (org-agenda-contributing-files
 615               (list (with-current-buffer buffer
 616                       (buffer-file-name (buffer-base-buffer))))))
 617         (org-agenda-columns)))
 618      (t
 619       (let ((inhibit-read-only t))
 620         (remove-text-properties (1- bol) eol '(read-only t))
 621         (unwind-protect
 622             (progn
 623               (setq org-columns-overlays
 624                     (org-delete-all line-overlays org-columns-overlays))
 625               (mapc 'delete-overlay line-overlays)
 626               (org-columns-eval '(org-entry-put pom key nval)))
 627           (org-columns-display-here)))
 628       (org-move-to-column col)
 629       (and (nth 3 (assoc key org-columns-current-fmt-compiled))
 630            (org-columns-update key))))))
 631
 632 (defun org-colview-construct-allowed-dates (s)
 633   "Construct a list of three dates around the date in S.
 634 This respects the format of the time stamp in S, active or non-active,
 635 and also including time or not.  S must be just a time stamp, no text
 636 around it."
 637   (when (and s (string-match (concat "^" org-ts-regexp3 "$") s))
 638     (let* ((time (org-parse-time-string s 'nodefaults))
 639            (active (equal (string-to-char s) ?<))
 640            (fmt (funcall (if (nth 1 time) 'cdr 'car) org-time-stamp-formats))
 641            time-before time-after)
 642       (unless active (setq fmt (concat "[" (substring fmt 1 -1) "]")))
 643       (setf (car time) (or (car time) 0))
 644       (setf (nth 1 time) (or (nth 1 time) 0))
 645       (setf (nth 2 time) (or (nth 2 time) 0))
 646       (setq time-before (copy-sequence time))
 647       (setq time-after (copy-sequence time))
 648       (setf (nth 3 time-before) (1- (nth 3 time)))
 649       (setf (nth 3 time-after) (1+ (nth 3 time)))
 650       (mapcar (lambda (x) (format-time-string fmt (apply 'encode-time x)))
 651               (list time-before time time-after)))))
 652
 653 (defun org-verify-version (task)
 654   (cond
 655    ((eq task 'columns)
 656     (if (or (featurep 'xemacs)
 657             (< emacs-major-version 22))
 658         (error "Emacs 22 is required for the columns feature")))))
 659
 660 (defun org-columns-open-link (&optional arg)
 661   (interactive "P")
 662   (let ((value (get-char-property (point) 'org-columns-value)))
 663     (org-open-link-from-string value arg)))
 664
 665 (defun org-columns-get-format-and-top-level ()
 666   (let (fmt)
 667     (when (condition-case nil (org-back-to-heading) (error nil))
 668       (setq fmt (org-entry-get nil "COLUMNS" t)))
 669     (setq fmt (or fmt org-columns-default-format))
 670     (org-set-local 'org-columns-current-fmt fmt)
 671     (org-columns-compile-format fmt)
 672     (if (marker-position org-entry-property-inherited-from)
 673         (move-marker org-columns-top-level-marker
 674                      org-entry-property-inherited-from)
 675       (move-marker org-columns-top-level-marker (point)))
 676     fmt))
 677
 678 (defun org-columns ()
 679   "Turn on column view on an org-mode file."
 680   (interactive)
 681   (org-verify-version 'columns)
 682   (org-columns-remove-overlays)
 683   (move-marker org-columns-begin-marker (point))
 684   (let ((org-columns-time (time-to-number-of-days (current-time)))
 685         beg end fmt cache maxwidths)
 686     (setq fmt (org-columns-get-format-and-top-level))
 687     (save-excursion
 688       (goto-char org-columns-top-level-marker)
 689       (setq beg (point))
 690       (unless org-columns-inhibit-recalculation
 691         (org-columns-compute-all))
 692       (setq end (or (condition-case nil (org-end-of-subtree t t) (error nil))
 693                     (point-max)))
 694       ;; Get and cache the properties
 695       (goto-char beg)
 696       (when (assoc "CLOCKSUM" org-columns-current-fmt-compiled)
 697         (save-excursion
 698           (save-restriction
 699             (narrow-to-region beg end)
 700             (org-clock-sum))))
 701       (while (re-search-forward org-outline-regexp-bol end t)
 702         (if (and org-columns-skip-archived-trees
 703                  (looking-at (concat ".*:" org-archive-tag ":")))
 704             (org-end-of-subtree t)
 705           (push (cons (org-current-line) (org-entry-properties)) cache)))
 706       (when cache
 707         (setq maxwidths (org-columns-get-autowidth-alist fmt cache))
 708         (org-set-local 'org-columns-current-maxwidths maxwidths)
 709         (org-columns-display-here-title)
 710         (when (org-set-local 'org-columns-flyspell-was-active
 711                              (org-bound-and-true-p flyspell-mode))
 712           (flyspell-mode 0))
 713         (unless (local-variable-p 'org-colview-initial-truncate-line-value)
 714           (org-set-local 'org-colview-initial-truncate-line-value
 715                          truncate-lines))
 716         (setq truncate-lines t)
 717         (mapc (lambda (x)
 718                 (org-goto-line (car x))
 719                 (org-columns-display-here (cdr x)))
 720               cache)))))
 721
 722 (eval-when-compile (defvar org-columns-time))
 723
 724 (defvar org-columns-compile-map
 725   '(("none" none +)
 726     (":" add_times +)
 727     ("+" add_numbers +)
 728     ("$" currency +)
 729     ("X" checkbox +)
 730     ("X/" checkbox-n-of-m +)
 731     ("X%" checkbox-percent +)
 732     ("max" max_numbers max)
 733     ("min" min_numbers min)
 734     ("mean" mean_numbers
 735      (lambda (&rest x) (/ (apply '+ x) (float (length x)))))
 736     (":max" max_times max)
 737     (":min" min_times min)
 738     (":mean" mean_times
 739      (lambda (&rest x) (/ (apply '+ x) (float (length x)))))
 740     ("@min" min_age min (lambda (x) (- org-columns-time x)))
 741     ("@max" max_age max (lambda (x) (- org-columns-time x)))
 742     ("@mean" mean_age
 743      (lambda (&rest x) (/ (apply '+ x) (float (length x))))
 744      (lambda (x) (- org-columns-time x)))
 745     ("est+" estimate org-estimate-combine))
 746   "Operator <-> format,function,calc  map.
 747 Used to compile/uncompile columns format and completing read in
 748 interactive function `org-columns-new'.
 749
 750 operator    string used in #+COLUMNS definition describing the
 751             summary type
 752 format      symbol describing summary type selected interactively in
 753             `org-columns-new' and internally in
 754             `org-columns-number-to-string' and
 755             `org-columns-string-to-number'
 756 function    called with a list of values as argument to calculate
 757             the summary value
 758 calc        function called on every element before summarizing.  This is
 759             optional and should only be specified if needed")
 760
 761 (defun org-columns-new (&optional prop title width op fmt fun &rest rest)
 762   "Insert a new column, to the left of the current column."
 763   (interactive)
 764   (let ((editp (and prop (assoc prop org-columns-current-fmt-compiled)))
 765         cell)
 766     (setq prop (org-icompleting-read
 767                 "Property: " (mapcar 'list (org-buffer-property-keys t nil t))
 768                 nil nil prop))
 769     (setq title (read-string (concat "Column title [" prop "]: ") (or title prop)))
 770     (setq width (read-string "Column width: " (if width (number-to-string width))))
 771     (if (string-match "\\S-" width)
 772         (setq width (string-to-number width))
 773       (setq width nil))
 774     (setq fmt (org-icompleting-read
 775                "Summary [none]: "
 776                (mapcar (lambda (x) (list (symbol-name (cadr x))))
 777                        org-columns-compile-map)
 778                nil t))
 779     (setq fmt (intern fmt)
 780           fun (cdr (assoc fmt (mapcar 'cdr org-columns-compile-map))))
 781     (if (eq fmt 'none) (setq fmt nil))
 782     (if editp
 783         (progn
 784           (setcar editp prop)
 785           (setcdr editp (list title width nil fmt nil fun)))
 786       (setq cell (nthcdr (1- (current-column))
 787                          org-columns-current-fmt-compiled))
 788       (setcdr cell (cons (list prop title width nil fmt nil
 789                                (car fun) (cadr fun))
 790                          (cdr cell))))
 791     (org-columns-store-format)
 792     (org-columns-redo)))
 793
 794 (defun org-columns-delete ()
 795   "Delete the column at point from columns view."
 796   (interactive)
 797   (let* ((n (current-column))
 798          (title (nth 1 (nth n org-columns-current-fmt-compiled))))
 799     (when (y-or-n-p
 800            (format "Are you sure you want to remove column \"%s\"? " title))
 801       (setq org-columns-current-fmt-compiled
 802             (delq (nth n org-columns-current-fmt-compiled)
 803                   org-columns-current-fmt-compiled))
 804       (org-columns-store-format)
 805       (org-columns-redo)
 806       (if (>= (current-column) (length org-columns-current-fmt-compiled))
 807           (backward-char 1)))))
 808
 809 (defun org-columns-edit-attributes ()
 810   "Edit the attributes of the current column."
 811   (interactive)
 812   (let* ((n (current-column))
 813          (info (nth n org-columns-current-fmt-compiled)))
 814     (apply 'org-columns-new info)))
 815
 816 (defun org-columns-widen (arg)
 817   "Make the column wider by ARG characters."
 818   (interactive "p")
 819   (let* ((n (current-column))
 820          (entry (nth n org-columns-current-fmt-compiled))
 821          (width (or (nth 2 entry)
 822                     (cdr (assoc (car entry) org-columns-current-maxwidths)))))
 823     (setq width (max 1 (+ width arg)))
 824     (setcar (nthcdr 2 entry) width)
 825     (org-columns-store-format)
 826     (org-columns-redo)))
 827
 828 (defun org-columns-narrow (arg)
 829   "Make the column narrower by ARG characters."
 830   (interactive "p")
 831   (org-columns-widen (- arg)))
 832
 833 (defun org-columns-move-right ()
 834   "Swap this column with the one to the right."
 835   (interactive)
 836   (let* ((n (current-column))
 837          (cell (nthcdr n org-columns-current-fmt-compiled))
 838          e)
 839     (when (>= n (1- (length org-columns-current-fmt-compiled)))
 840       (error "Cannot shift this column further to the right"))
 841     (setq e (car cell))
 842     (setcar cell (car (cdr cell)))
 843     (setcdr cell (cons e (cdr (cdr cell))))
 844     (org-columns-store-format)
 845     (org-columns-redo)
 846     (forward-char 1)))
 847
 848 (defun org-columns-move-left ()
 849   "Swap this column with the one to the left."
 850   (interactive)
 851   (let* ((n (current-column)))
 852     (when (= n 0)
 853       (error "Cannot shift this column further to the left"))
 854     (backward-char 1)
 855     (org-columns-move-right)
 856     (backward-char 1)))
 857
 858 (defun org-columns-store-format ()
 859   "Store the text version of the current columns format in appropriate place.
 860 This is either in the COLUMNS property of the node starting the current column
 861 display, or in the #+COLUMNS line of the current buffer."
 862   (let (fmt (cnt 0))
 863     (setq fmt (org-columns-uncompile-format org-columns-current-fmt-compiled))
 864     (org-set-local 'org-columns-current-fmt fmt)
 865     (if (marker-position org-columns-top-level-marker)
 866         (save-excursion
 867           (goto-char org-columns-top-level-marker)
 868           (if (and (org-at-heading-p)
 869                    (org-entry-get nil "COLUMNS"))
 870               (org-entry-put nil "COLUMNS" fmt)
 871             (goto-char (point-min))
 872             ;; Overwrite all #+COLUMNS lines....
 873             (while (re-search-forward "^#\\+COLUMNS:.*" nil t)
 874               (setq cnt (1+ cnt))
 875               (replace-match (concat "#+COLUMNS: " fmt) t t))
 876             (unless (> cnt 0)
 877               (goto-char (point-min))
 878               (or (org-on-heading-p t) (outline-next-heading))
 879               (let ((inhibit-read-only t))
 880                 (insert-before-markers "#+COLUMNS: " fmt "\n")))
 881             (org-set-local 'org-columns-default-format fmt))))))
 882
 883 (defvar org-agenda-overriding-columns-format nil
 884   "When set, overrides any other format definition for the agenda.
 885 Don't set this, this is meant for dynamic scoping.")
 886
 887 (defun org-columns-get-autowidth-alist (s cache)
 888   "Derive the maximum column widths from the format and the cache."
 889   (let ((start 0) rtn)
 890     (while (string-match (org-re "%\\([[:alpha:]][[:alnum:]_-]*\\)") s start)
 891       (push (cons (match-string 1 s) 1) rtn)
 892       (setq start (match-end 0)))
 893     (mapc (lambda (x)
 894             (setcdr x (apply 'max
 895                              (mapcar
 896                               (lambda (y)
 897                                 (length (or (cdr (assoc (car x) (cdr y))) " ")))
 898                               cache))))
 899           rtn)
 900     rtn))
 901
 902 (defun org-columns-compute-all ()
 903   "Compute all columns that have operators defined."
 904   (org-unmodified
 905    (remove-text-properties (point-min) (point-max) '(org-summaries t)))
 906   (let ((columns org-columns-current-fmt-compiled)
 907         (org-columns-time (time-to-number-of-days (current-time)))
 908         col)
 909     (while (setq col (pop columns))
 910       (when (nth 3 col)
 911         (save-excursion
 912           (org-columns-compute (car col)))))))
 913
 914 (defun org-columns-update (property)
 915   "Recompute PROPERTY, and update the columns display for it."
 916   (org-columns-compute property)
 917   (let (fmt val pos)
 918     (save-excursion
 919       (mapc (lambda (ov)
 920               (when (equal (overlay-get ov 'org-columns-key) property)
 921                 (setq pos (overlay-start ov))
 922                 (goto-char pos)
 923                 (when (setq val (cdr (assoc property
 924                                             (get-text-property
 925                                              (point-at-bol) 'org-summaries))))
 926                   (setq fmt (overlay-get ov 'org-columns-format))
 927                   (overlay-put ov 'org-columns-value val)
 928                   (overlay-put ov 'display (format fmt val)))))
 929             org-columns-overlays))))
 930
 931 (defun org-columns-compute (property)
 932   "Sum the values of property PROPERTY hierarchically, for the entire buffer."
 933   (interactive)
 934   (let* ((re org-outline-regexp-bol)
 935          (lmax 30) ; Does anyone use deeper levels???
 936          (lvals (make-vector lmax nil))
 937          (lflag (make-vector lmax nil))
 938          (level 0)
 939          (ass (assoc property org-columns-current-fmt-compiled))
 940          (format (nth 4 ass))
 941          (printf (nth 5 ass))
 942          (fun (nth 6 ass))
 943          (calc (or (nth 7 ass) 'identity))
 944          (beg org-columns-top-level-marker)
 945          last-level val valflag flag end sumpos sum-alist sum str str1 useval)
 946     (save-excursion
 947       ;; Find the region to compute
 948       (goto-char beg)
 949       (setq end (condition-case nil (org-end-of-subtree t) (error (point-max))))
 950       (goto-char end)
 951       ;; Walk the tree from the back and do the computations
 952       (while (re-search-backward re beg t)
 953         (setq sumpos (match-beginning 0)
 954               last-level level
 955               level (org-outline-level)
 956               val (org-entry-get nil property)
 957               valflag (and val (string-match "\\S-" val)))
 958         (cond
 959          ((< level last-level)
 960           ;; put the sum of lower levels here as a property
 961           (setq sum (when (aref lvals last-level)
 962                       (apply fun (aref lvals last-level)))
 963                 flag (aref lflag last-level) ; any valid entries from children?
 964                 str (org-columns-number-to-string sum format printf)
 965                 str1 (org-add-props (copy-sequence str) nil 'org-computed t 'face 'bold)
 966                 useval (if flag str1 (if valflag val ""))
 967                 sum-alist (get-text-property sumpos 'org-summaries))
 968           (if (assoc property sum-alist)
 969               (setcdr (assoc property sum-alist) useval)
 970             (push (cons property useval) sum-alist)
 971             (org-unmodified
 972              (add-text-properties sumpos (1+ sumpos)
 973                                   (list 'org-summaries sum-alist))))
 974           (when (and val (not (equal val (if flag str val))))
 975             (org-entry-put nil property (if flag str val)))
 976           ;; add current to current level accumulator
 977           (when (or flag valflag)
 978             (push (if flag
 979                       sum
 980                     (funcall calc (org-columns-string-to-number
 981                                    (if flag str val) format)))
 982                   (aref lvals level))
 983             (aset lflag level t))
 984           ;; clear accumulators for deeper levels
 985           (loop for l from (1+ level) to (1- lmax) do
 986                 (aset lvals l nil)
 987                 (aset lflag l nil)))
 988          ((>= level last-level)
 989           ;; add what we have here to the accumulator for this level
 990           (when valflag
 991             (push (funcall calc (org-columns-string-to-number val format))
 992                   (aref lvals level))
 993             (aset lflag level t)))
 994          (t (error "This should not happen")))))))
 995
 996 (defun org-columns-redo ()
 997   "Construct the column display again."
 998   (interactive)
 999   (message "Recomputing columns...")
1000   (let ((line (org-current-line))
1001         (col (current-column)))
1002     (save-excursion
1003       (if (marker-position org-columns-begin-marker)
1004           (goto-char org-columns-begin-marker))
1005       (org-columns-remove-overlays)
1006       (if (eq major-mode 'org-mode)
1007           (call-interactively 'org-columns)
1008         (org-agenda-redo)
1009         (call-interactively 'org-agenda-columns)))
1010     (org-goto-line line)
1011     (move-to-column col))
1012   (message "Recomputing columns...done"))
1013
1014 (defun org-columns-not-in-agenda ()
1015   (if (eq major-mode 'org-agenda-mode)
1016       (error "This command is only allowed in Org-mode buffers")))
1017
1018 (defun org-string-to-number (s)
1019   "Convert string to number, and interpret hh:mm:ss."
1020   (if (not (string-match ":" s))
1021       (string-to-number s)
1022     (let ((l (nreverse (org-split-string s ":"))) (sum 0.0))
1023       (while l
1024         (setq sum (+ (string-to-number (pop l)) (/ sum 60))))
1025       sum)))
1026
1027 (defun org-columns-number-to-string (n fmt &optional printf)
1028   "Convert a computed column number to a string value, according to FMT."
1029   (cond
1030    ((memq fmt '(estimate)) (org-estimate-print n printf))
1031    ((not (numberp n)) "")
1032    ((memq fmt '(add_times max_times min_times mean_times))
1033     (let* ((h (floor n)) (m (floor (+ 0.5 (* 60 (- n h))))))
1034       (format org-time-clocksum-format h m)))
1035    ((eq fmt 'checkbox)
1036     (cond ((= n (floor n)) "[X]")
1037           ((> n 1.) "[-]")
1038           (t "[ ]")))
1039    ((memq fmt '(checkbox-n-of-m checkbox-percent))
1040     (let* ((n1 (floor n)) (n2 (floor (+ .5 (* 1000000 (- n n1))))))
1041       (org-nofm-to-completion n1 (+ n2 n1) (eq fmt 'checkbox-percent))))
1042    (printf (format printf n))
1043    ((eq fmt 'currency)
1044     (format "%.2f" n))
1045    ((memq fmt '(min_age max_age mean_age))
1046     (org-format-time-period n))
1047    (t (number-to-string n))))
1048
1049 (defun org-nofm-to-completion (n m &optional percent)
1050   (if (not percent)
1051       (format "[%d/%d]" n m)
1052     (format "[%d%%]"(floor (+ 0.5 (* 100. (/ (* 1.0 n) m)))))))
1053
1054
1055 (defun org-columns-string-to-number (s fmt)
1056   "Convert a column value to a number that can be used for column computing."
1057   (if s
1058       (cond
1059        ((memq fmt '(min_age max_age mean_age))
1060         (cond ((string= s "") org-columns-time)
1061               ((string-match
1062                 "\\([0-9]+\\)d \\([0-9]+\\)h \\([0-9]+\\)m \\([0-9]+\\)s"
1063                 s)
1064                (+ (* 60 (+ (* 60 (+ (* 24 (string-to-number (match-string 1 s)))
1065                                     (string-to-number (match-string 2 s))))
1066                            (string-to-number (match-string 3 s))))
1067                   (string-to-number (match-string 4 s))))
1068               (t (time-to-number-of-days (apply 'encode-time
1069                                                 (org-parse-time-string s t))))))
1070        ((string-match ":" s)
1071         (let ((l (nreverse (org-split-string s ":"))) (sum 0.0))
1072           (while l
1073             (setq sum (+ (string-to-number (pop l)) (/ sum 60))))
1074           sum))
1075        ((memq fmt '(checkbox checkbox-n-of-m checkbox-percent))
1076         (if (equal s "[X]") 1. 0.000001))
1077        ((memq fmt '(estimate)) (org-string-to-estimate s))
1078        (t (string-to-number s)))))
1079
1080 (defun org-columns-uncompile-format (cfmt)
1081   "Turn the compiled columns format back into a string representation."
1082   (let ((rtn "") e s prop title op op-match width fmt printf fun calc)
1083     (while (setq e (pop cfmt))
1084       (setq prop (car e)
1085             title (nth 1 e)
1086             width (nth 2 e)
1087             op (nth 3 e)
1088             fmt (nth 4 e)
1089             printf (nth 5 e)
1090             fun (nth 6 e)
1091             calc (nth 7 e))
1092       (when (setq op-match (rassoc (list fmt fun calc) org-columns-compile-map))
1093         (setq op (car op-match)))
1094       (if (and op printf) (setq op (concat op ";" printf)))
1095       (if (equal title prop) (setq title nil))
1096       (setq s (concat "%" (if width (number-to-string width))
1097                       prop
1098                       (if title (concat "(" title ")"))
1099                       (if op (concat "{" op "}"))))
1100       (setq rtn (concat rtn " " s)))
1101     (org-trim rtn)))
1102
1103 (defun org-columns-compile-format (fmt)
1104   "Turn a column format string into an alist of specifications.
1105 The alist has one entry for each column in the format.  The elements of
1106 that list are:
1107 property     the property
1108 title        the title field for the columns
1109 width        the column width in characters, can be nil for automatic
1110 operator     the operator if any
1111 format       the output format for computed results, derived from operator
1112 printf       a printf format for computed values
1113 fun          the lisp function to compute summary values, derived from operator
1114 calc         function to get values from base elements"
1115   (let ((start 0) width prop title op op-match f printf fun calc)
1116     (setq org-columns-current-fmt-compiled nil)
1117     (while (string-match
1118             (org-re "%\\([0-9]+\\)?\\([[:alnum:]_-]+\\)\\(?:(\\([^)]+\\))\\)?\\(?:{\\([^}]+\\)}\\)?\\s-*")
1119             fmt start)
1120       (setq start (match-end 0)
1121             width (match-string 1 fmt)
1122             prop (match-string 2 fmt)
1123             title (or (match-string 3 fmt) prop)
1124             op (match-string 4 fmt)
1125             f nil
1126             printf nil
1127             fun '+
1128             calc nil)
1129       (if width (setq width (string-to-number width)))
1130       (when (and op (string-match ";" op))
1131         (setq printf (substring op (match-end 0))
1132               op (substring op 0 (match-beginning 0))))
1133       (when (setq op-match (assoc op org-columns-compile-map))
1134         (setq f (cadr op-match)
1135               fun (caddr op-match)
1136               calc (cadddr op-match)))
1137       (push (list prop title width op f printf fun calc)
1138             org-columns-current-fmt-compiled))
1139     (setq org-columns-current-fmt-compiled
1140           (nreverse org-columns-current-fmt-compiled))))
1141
1142
1143 ;;; Dynamic block for Column view
1144
1145 (defvar org-heading-regexp) ; defined in org.el
1146 (defvar org-heading-keyword-regexp-format) ; defined in org.el
1147 (defun org-columns-capture-view (&optional maxlevel skip-empty-rows)
1148   "Get the column view of the current buffer or subtree.
1149 The first optional argument MAXLEVEL sets the level limit.  A
1150 second optional argument SKIP-EMPTY-ROWS tells whether to skip
1151 empty rows, an empty row being one where all the column view
1152 specifiers except ITEM are empty.  This function returns a list
1153 containing the title row and all other rows.  Each row is a list
1154 of fields."
1155   (save-excursion
1156     (let* ((title (mapcar 'cadr org-columns-current-fmt-compiled))
1157            (re-comment (format org-heading-keyword-regexp-format
1158                                org-comment-string))
1159            (re-archive (concat ".*:" org-archive-tag ":"))
1160            (n (length title)) row tbl)
1161       (goto-char (point-min))
1162       (while (re-search-forward org-heading-regexp nil t)
1163         (catch 'next
1164           (when (and (or (null maxlevel)
1165                          (>= maxlevel
1166                              (if org-odd-levels-only
1167                                  (/ (1+ (length (match-string 1))) 2)
1168                                (length (match-string 1)))))
1169                      (get-char-property (match-beginning 0) 'org-columns-key))
1170             (when (save-excursion
1171                     (goto-char (point-at-bol))
1172                     (or (looking-at re-comment)
1173                         (looking-at re-archive)))
1174               (org-end-of-subtree t)
1175               (throw 'next t))
1176             (setq row nil)
1177             (loop for i from 0 to (1- n) do
1178                   (push
1179                    (org-quote-vert
1180                     (or (get-char-property (+ (match-beginning 0) i) 'org-columns-value-modified)
1181                         (get-char-property (+ (match-beginning 0) i) 'org-columns-value)
1182                         ""))
1183                    row))
1184             (setq row (nreverse row))
1185             (unless (and skip-empty-rows
1186                          (eq 1 (length (delete "" (delete-dups (copy-sequence row))))))
1187               (push row tbl)))))
1188       (append (list title 'hline) (nreverse tbl)))))
1189
1190 (defun org-dblock-write:columnview (params)
1191   "Write the column view table.
1192 PARAMS is a property list of parameters:
1193
1194 :width    enforce same column widths with <N> specifiers.
1195 :id       the :ID: property of the entry where the columns view
1196           should be built.  When the symbol `local', call locally.
1197           When `global' call column view with the cursor at the beginning
1198           of the buffer (usually this means that the whole buffer switches
1199           to column view).  When \"file:path/to/file.org\", invoke column
1200           view at the start of that file.  Otherwise, the ID is located
1201           using `org-id-find'.
1202 :hlines   When t, insert a hline before each item.  When a number, insert
1203           a hline before each level <= that number.
1204 :vlines   When t, make each column a colgroup to enforce vertical lines.
1205 :maxlevel When set to a number, don't capture headlines below this level.
1206 :skip-empty-rows
1207           When t, skip rows where all specifiers other than ITEM are empty."
1208   (let ((pos (move-marker (make-marker) (point)))
1209         (hlines (plist-get params :hlines))
1210         (vlines (plist-get params :vlines))
1211         (maxlevel (plist-get params :maxlevel))
1212         (content-lines (org-split-string (plist-get params :content) "\n"))
1213         (skip-empty-rows (plist-get params :skip-empty-rows))
1214         tbl id idpos nfields tmp recalc line
1215         id-as-string view-file view-pos)
1216     (when (setq id (plist-get params :id))
1217       (setq id-as-string (cond ((numberp id) (number-to-string id))
1218                                ((symbolp id) (symbol-name id))
1219                                ((stringp id) id)
1220                                (t "")))
1221       (cond ((not id) nil)
1222             ((eq id 'global) (setq view-pos (point-min)))
1223             ((eq id 'local))
1224             ((string-match "^file:\\(.*\\)" id-as-string)
1225              (setq view-file (match-string 1 id-as-string)
1226                    view-pos 1)
1227              (unless (file-exists-p view-file)
1228                (error "No such file: \"%s\"" id-as-string)))
1229             ((setq idpos (org-find-entry-with-id id))
1230              (setq view-pos idpos))
1231             ((setq idpos (org-id-find id))
1232              (setq view-file (car idpos))
1233              (setq view-pos (cdr idpos)))
1234             (t (error "Cannot find entry with :ID: %s" id))))
1235     (with-current-buffer (if view-file
1236                              (get-file-buffer view-file)
1237                            (current-buffer))
1238       (save-excursion
1239         (save-restriction
1240           (widen)
1241           (goto-char (or view-pos (point)))
1242           (org-columns)
1243           (setq tbl (org-columns-capture-view maxlevel skip-empty-rows))
1244           (setq nfields (length (car tbl)))
1245           (org-columns-quit))))
1246     (goto-char pos)
1247     (move-marker pos nil)
1248     (when tbl
1249       (when (plist-get params :hlines)
1250         (setq tmp nil)
1251         (while tbl
1252           (if (eq (car tbl) 'hline)
1253               (push (pop tbl) tmp)
1254             (if (string-match "\\` *\\(\\*+\\)" (caar tbl))
1255                 (if (and (not (eq (car tmp) 'hline))
1256                          (or (eq hlines t)
1257                              (and (numberp hlines)
1258                                   (<= (- (match-end 1) (match-beginning 1))
1259                                       hlines))))
1260                     (push 'hline tmp)))
1261             (push (pop tbl) tmp)))
1262         (setq tbl (nreverse tmp)))
1263       (when vlines
1264         (setq tbl (mapcar (lambda (x)
1265                             (if (eq 'hline x) x (cons "" x)))
1266                           tbl))
1267         (setq tbl (append tbl (list (cons "/" (make-list nfields "<>"))))))
1268       (setq pos (point))
1269       (when content-lines
1270         (while (string-match "^#" (car content-lines))
1271           (insert (pop content-lines) "\n")))
1272       (insert (org-listtable-to-string tbl))
1273       (when (plist-get params :width)
1274         (insert "\n|" (mapconcat (lambda (x) (format "<%d>" (max 3 x)))
1275                                  org-columns-current-widths "|")))
1276       (while (setq line (pop content-lines))
1277         (when (string-match "^#" line)
1278           (insert "\n" line)
1279           (when (string-match "^[ \t]*#\\+TBLFM" line)
1280             (setq recalc t))))
1281       (if recalc
1282           (progn (goto-char pos) (org-table-recalculate 'all))
1283         (goto-char pos)
1284         (org-table-align)))))
1285
1286 (defun org-listtable-to-string (tbl)
1287   "Convert a listtable TBL to a string that contains the Org-mode table.
1288 The table still need to be aligned.  The resulting string has no leading
1289 and tailing newline characters."
1290   (mapconcat
1291    (lambda (x)
1292      (cond
1293       ((listp x)
1294        (concat "|" (mapconcat 'identity x "|") "|"))
1295       ((eq x 'hline) "|-|")
1296       (t (error "Garbage in listtable: %s" x))))
1297    tbl "\n"))
1298
1299 (defun org-insert-columns-dblock ()
1300   "Create a dynamic block capturing a column view table."
1301   (interactive)
1302   (let ((defaults '(:name "columnview" :hlines 1))
1303         (id (org-icompleting-read
1304              "Capture columns (local, global, entry with :ID: property) [local]: "
1305              (append '(("global") ("local"))
1306                      (mapcar 'list (org-property-values "ID"))))))
1307     (if (equal id "") (setq id 'local))
1308     (if (equal id "global") (setq id 'global))
1309     (setq defaults (append defaults (list :id id)))
1310     (org-create-dblock defaults)
1311     (org-update-dblock)))
1312
1313 ;;; Column view in the agenda
1314
1315 (defvar org-agenda-view-columns-initially nil
1316   "When set, switch to columns view immediately after creating the agenda.")
1317
1318 (defvar org-agenda-columns-show-summaries) ; defined in org-agenda.el
1319 (defvar org-agenda-columns-compute-summary-properties); defined in org-agenda.el
1320 (defvar org-agenda-columns-add-appointments-to-effort-sum); as well
1321
1322 (defun org-agenda-columns ()
1323   "Turn on or update column view in the agenda."
1324   (interactive)
1325   (org-verify-version 'columns)
1326   (org-columns-remove-overlays)
1327   (move-marker org-columns-begin-marker (point))
1328   (let ((org-columns-time (time-to-number-of-days (current-time)))
1329          cache maxwidths m p a d fmt)
1330     (cond
1331      ((and (boundp 'org-agenda-overriding-columns-format)
1332            org-agenda-overriding-columns-format)
1333       (setq fmt org-agenda-overriding-columns-format)
1334       (org-set-local 'org-agenda-overriding-columns-format fmt))
1335      ((setq m (org-get-at-bol 'org-hd-marker))
1336       (setq fmt (or (org-entry-get m "COLUMNS" t)
1337                     (with-current-buffer (marker-buffer m)
1338                       org-columns-default-format))))
1339      ((and (boundp 'org-columns-current-fmt)
1340            (local-variable-p 'org-columns-current-fmt)
1341            org-columns-current-fmt)
1342       (setq fmt org-columns-current-fmt))
1343      ((setq m (next-single-property-change (point-min) 'org-hd-marker))
1344       (setq m (get-text-property m 'org-hd-marker))
1345       (setq fmt (or (org-entry-get m "COLUMNS" t)
1346                     (with-current-buffer (marker-buffer m)
1347                       org-columns-default-format)))))
1348     (setq fmt (or fmt org-columns-default-format))
1349     (org-set-local 'org-columns-current-fmt fmt)
1350     (org-columns-compile-format fmt)
1351     (when org-agenda-columns-compute-summary-properties
1352       (org-agenda-colview-compute org-columns-current-fmt-compiled))
1353     (save-excursion
1354       ;; Get and cache the properties
1355       (goto-char (point-min))
1356       (while (not (eobp))
1357         (when (setq m (or (org-get-at-bol 'org-hd-marker)
1358                           (org-get-at-bol 'org-marker)))
1359           (setq p (org-entry-properties m))
1360
1361           (when (or (not (setq a (assoc org-effort-property p)))
1362                          (not (string-match "\\S-" (or (cdr a) ""))))
1363             ;; OK, the property is not defined.  Use appointment duration?
1364             (when (and org-agenda-columns-add-appointments-to-effort-sum
1365                        (setq d (get-text-property (point) 'duration)))
1366               (setq d (org-minutes-to-hh:mm-string d))
1367               (put-text-property 0 (length d) 'face 'org-warning d)
1368               (push (cons org-effort-property d) p)))
1369           (push (cons (org-current-line) p) cache))
1370         (beginning-of-line 2))
1371       (when cache
1372         (setq maxwidths (org-columns-get-autowidth-alist fmt cache))
1373         (org-set-local 'org-columns-current-maxwidths maxwidths)
1374         (org-columns-display-here-title)
1375         (when (org-set-local 'org-columns-flyspell-was-active
1376                              (org-bound-and-true-p flyspell-mode))
1377           (flyspell-mode 0))
1378         (mapc (lambda (x)
1379                 (org-goto-line (car x))
1380                 (org-columns-display-here (cdr x)))
1381               cache)
1382         (when org-agenda-columns-show-summaries
1383           (org-agenda-colview-summarize cache))))))
1384
1385 (defun org-agenda-colview-summarize (cache)
1386   "Summarize the summarizable columns in column view in the agenda.
1387 This will add overlays to the date lines, to show the summary for each day."
1388   (let* ((fmt (mapcar (lambda (x)
1389                         (if (equal (car x) "CLOCKSUM")
1390                             (list "CLOCKSUM" (nth 1 x) (nth 2 x) ":" 'add_times
1391                                   nil '+ nil)
1392                           x))
1393                       org-columns-current-fmt-compiled))
1394          line c c1 stype calc sumfunc props lsum entries prop v title)
1395     (catch 'exit
1396       (when (delq nil (mapcar 'cadr fmt))
1397         ;; OK, at least one summation column, it makes sense to try this
1398         (goto-char (point-max))
1399         (while t
1400           (when (or (get-text-property (point) 'org-date-line)
1401                     (eq (get-text-property (point) 'face)
1402                         'org-agenda-structure))
1403             ;; OK, this is a date line that should be used
1404             (setq line (org-current-line))
1405             (setq entries nil c cache cache nil)
1406             (while (setq c1 (pop c))
1407               (if (> (car c1) line)
1408                   (push c1 entries)
1409                 (push c1 cache)))
1410             ;; now ENTRIES are the ones we want to use, CACHE is the rest
1411             ;; Compute the summaries for the properties we want,
1412             ;; set nil properties for the rest.
1413             (when (setq entries (mapcar 'cdr entries))
1414               (setq props
1415                     (mapcar
1416                      (lambda (f)
1417                        (setq prop (car f)
1418                              title (nth 1 f)
1419                              stype (nth 4 f)
1420                              sumfunc (nth 6 f)
1421                              calc (or (nth 7 f) 'identity))
1422                        (cond
1423                         ((equal prop "ITEM")
1424                          (cons prop (buffer-substring (point-at-bol)
1425                                                       (point-at-eol))))
1426                         ((not stype) (cons prop ""))
1427                         (t ;; do the summary
1428                          (setq lsum nil)
1429                          (dolist (x entries)
1430                            (setq v (cdr (assoc prop x)))
1431                            (if v
1432                                (push
1433                                 (funcall
1434                                  (if (not (get-text-property 0 'org-computed v))
1435                                      calc
1436                                    'identity)
1437                                  (org-columns-string-to-number
1438                                   v stype))
1439                                 lsum)))
1440                          (setq lsum (remove nil lsum))
1441                          (setq lsum
1442                                (cond ((> (length lsum) 1)
1443                                       (org-columns-number-to-string
1444                                        (apply sumfunc lsum) stype))
1445                                      ((eq (length lsum) 1)
1446                                       (org-columns-number-to-string
1447                                        (car lsum) stype))
1448                                      (t "")))
1449                          (put-text-property 0 (length lsum) 'face 'bold lsum)
1450                          (unless (eq calc 'identity)
1451                            (put-text-property 0 (length lsum) 'org-computed t lsum))
1452                          (cons prop lsum))))
1453                      fmt))
1454               (org-columns-display-here props 'dateline)
1455               (org-set-local 'org-agenda-columns-active t)))
1456           (if (bobp) (throw 'exit t))
1457           (beginning-of-line 0))))))
1458
1459 (defun org-agenda-colview-compute (fmt)
1460   "Compute the relevant columns in the contributing source buffers."
1461   (let ((files org-agenda-contributing-files)
1462         (org-columns-begin-marker (make-marker))
1463         (org-columns-top-level-marker (make-marker))
1464         f fm a b)
1465     (while (setq f (pop files))
1466       (setq b (find-buffer-visiting f))
1467       (with-current-buffer (or (buffer-base-buffer b) b)
1468         (save-excursion
1469           (save-restriction
1470             (widen)
1471             (org-unmodified
1472              (remove-text-properties (point-min) (point-max)
1473                                      '(org-summaries t)))
1474             (goto-char (point-min))
1475             (org-columns-get-format-and-top-level)
1476             (while (setq fm (pop fmt))
1477               (if (equal (car fm) "CLOCKSUM")
1478                   (org-clock-sum)
1479                 (when (and (nth 4 fm)
1480                            (setq a (assoc (car fm)
1481                                           org-columns-current-fmt-compiled))
1482                            (equal (nth 4 a) (nth 4 fm)))
1483                   (org-columns-compute (car fm)))))))))))
1484
1485 (defun org-format-time-period (interval)
1486   "Convert time in fractional days to days/hours/minutes/seconds."
1487   (if (numberp interval)
1488     (let* ((days (floor interval))
1489            (frac-hours (* 24 (- interval days)))
1490            (hours (floor frac-hours))
1491            (minutes (floor (* 60 (- frac-hours hours))))
1492            (seconds (floor (* 60 (- (* 60 (- frac-hours hours)) minutes)))))
1493       (format "%dd %02dh %02dm %02ds" days hours minutes seconds))
1494     ""))
1495
1496 (defun org-estimate-mean-and-var (v)
1497   "Return the mean and variance of an estimate."
1498   (let* ((low (float (car v)))
1499          (high (float (cadr v)))
1500          (mean (/ (+ low high) 2.0))
1501          (var (/ (+ (expt (- mean low) 2.0) (expt (- high mean) 2.0)) 2.0)))
1502     (list  mean var)))
1503
1504 (defun org-estimate-combine (&rest el)
1505   "Combine a list of estimates, using mean and variance.
1506 The mean and variance of the result will be the sum of the means
1507 and variances (respectively) of the individual estimates."
1508   (let ((mean 0)
1509         (var 0))
1510     (mapc (lambda (e)
1511               (let ((stats (org-estimate-mean-and-var e)))
1512                 (setq mean (+ mean (car stats)))
1513                 (setq var (+ var (cadr stats)))))
1514             el)
1515     (let ((stdev (sqrt var)))
1516       (list (- mean stdev) (+ mean stdev)))))
1517
1518 (defun org-estimate-print (e &optional fmt)
1519   "Prepare a string representation of an estimate.
1520 This formats these numbers as two numbers with a \"-\" between them."
1521   (if (null fmt) (set 'fmt "%.0f"))
1522   (format "%s" (mapconcat (lambda (n) (format fmt n))  e "-")))
1523
1524 (defun org-string-to-estimate (s)
1525   "Convert a string to an estimate.
1526 The string should be two numbers joined with a \"-\"."
1527   (if (string-match "\\(.*\\)-\\(.*\\)" s)
1528       (list (string-to-number (match-string 1 s))
1529             (string-to-number(match-string 2 s)))
1530     (list (string-to-number s) (string-to-number s))))
1531
1532 (provide 'org-colview)
1533
1534 ;;; org-colview.el ends here