lisp/org-colview-xemacs.el

   1 ;;; org-colview-xemacs.el --- Column View in Org-mode, XEmacs-specific version
   2
   3 ;; Copyright (C) 2004-2012
   4 ;;   Free Software Foundation, Inc.
   5
   6 ;; Author: Carsten Dominik <carsten at orgmode dot org>
   7 ;; Keywords: outlines, hypermedia, calendar, wp
   8 ;; Homepage: http://orgmode.org
   9 ;;
  10 ;; This file is part of GNU Emacs.
  11 ;;
  12 ;; GNU Emacs is free software; you can redistribute it and/or modify
  13 ;; it under the terms of the GNU General Public License as published by
  14 ;; the Free Software Foundation; either version 3, or (at your option)
  15 ;; any later version.
  16
  17 ;; GNU Emacs is distributed in the hope that it will be useful,
  18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;; GNU General Public License for more details.
  21
  22 ;; You should have received a copy of the GNU General Public License
  23 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  24 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  25 ;; Boston, MA 02110-1301, USA.
  26 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
  27 ;;
  28 ;;; Commentary:
  29
  30 ;; This file contains the column view for Org.
  31
  32 ;;; Code:
  33
  34 (eval-when-compile (require 'cl))
  35 (require 'org)
  36
  37 (declare-function org-agenda-redo "org-agenda" ())
  38
  39
  40 ;;; Define additional faces for column view
  41
  42 (when (featurep 'xemacs)
  43
  44   (defface org-columns-level-1;; font-lock-function-name-face
  45     (org-compatible-face
  46         'outline-1
  47       '((((class color) (min-colors 88) (background light)) (:foreground "Blue1" :background "grey90"))
  48         (((class color) (min-colors 88) (background dark)) (:foreground "LightSkyBlue" :background "grey30"))
  49         (((class color) (min-colors 16) (background light)) (:foreground "Blue" :background "grey90"))
  50         (((class color) (min-colors 16) (background dark)) (:foreground "LightSkyBlue" :background "grey30"))
  51         (((class color) (min-colors 8)) (:foreground "blue" :bold t))
  52         (t (:bold t))))
  53     "Face used for columns-level 1 headlines."
  54     :group 'org-faces)
  55
  56   (defface org-columns-level-2;; font-lock-variable-name-face
  57     (org-compatible-face
  58         'outline-2
  59       '((((class color) (min-colors 16) (background light)) (:foreground "DarkGoldenrod" :background "grey90"))
  60         (((class color) (min-colors 16) (background dark))  (:foreground "LightGoldenrod" :background "grey30"))
  61         (((class color) (min-colors 8)  (background light)) (:foreground "yellow" :background "grey90"))
  62         (((class color) (min-colors 8)  (background dark))  (:foreground "yellow" :bold t))
  63         (t (:bold t))))
  64     "Face used for columns-level 2 headlines."
  65     :group 'org-faces)
  66
  67   (defface org-columns-level-3;; font-lock-keyword-face
  68     (org-compatible-face
  69         'outline-3
  70       '((((class color) (min-colors 88) (background light)) (:foreground "Purple" :background "grey90"))
  71         (((class color) (min-colors 88) (background dark))  (:foreground "Cyan1" :background "grey30"))
  72         (((class color) (min-colors 16) (background light)) (:foreground "Purple" :background "grey90"))
  73         (((class color) (min-colors 16) (background dark))  (:foreground "Cyan" :background "grey30"))
  74         (((class color) (min-colors 8)  (background light)) (:foreground "purple" :bold t))
  75         (((class color) (min-colors 8)  (background dark))  (:foreground "cyan" :bold t))
  76         (t (:bold t))))
  77     "Face used for columns-level 3 headlines."
  78     :group 'org-faces)
  79
  80   (defface org-columns-level-4;; font-lock-comment-face
  81     (org-compatible-face
  82         'outline-4
  83       '((((class color) (min-colors 88) (background light)) (:foreground "Firebrick" :background "grey90"))
  84         (((class color) (min-colors 88) (background dark))  (:foreground "chocolate1" :background "grey30"))
  85         (((class color) (min-colors 16) (background light)) (:foreground "red"))
  86         (((class color) (min-colors 16) (background dark))  (:foreground "red1"))
  87         (((class color) (min-colors 8) (background light))  (:foreground "red" :bold t))
  88         (((class color) (min-colors 8) (background dark))   (:foreground "red" :bold t))
  89         (t (:bold t))))
  90     "Face used for columns-level 4 headlines."
  91     :group 'org-faces)
  92
  93   (defface org-columns-level-5;; font-lock-type-face
  94     (org-compatible-face
  95         'outline-5
  96       '((((class color) (min-colors 16) (background light)) (:foreground "ForestGreen" :background "grey90"))
  97         (((class color) (min-colors 16) (background dark)) (:foreground "PaleGreen" :background "grey30"))
  98         (((class color) (min-colors 8)) (:foreground "green"))))
  99     "Face used for columns-level 5 headlines."
 100     :group 'org-faces)
 101
 102   (defface org-columns-level-6;; font-lock-constant-face
 103     (org-compatible-face
 104         'outline-6
 105       '((((class color) (min-colors 16) (background light)) (:foreground "CadetBlue" :background "grey90"))
 106         (((class color) (min-colors 16) (background dark)) (:foreground "Aquamarine" :background "grey30"))
 107         (((class color) (min-colors 8)) (:foreground "magenta"))))
 108     "Face used for columns-level 6 headlines."
 109     :group 'org-faces)
 110
 111   (defface org-columns-level-7;; font-lock-builtin-face
 112     (org-compatible-face
 113         'outline-7
 114       '((((class color) (min-colors 16) (background light)) (:foreground "Orchid" :background "grey90"))
 115         (((class color) (min-colors 16) (background dark)) (:foreground "LightSteelBlue" :background "grey30"))
 116         (((class color) (min-colors 8)) (:foreground "blue"))))
 117     "Face used for columns-level 7 headlines."
 118     :group 'org-faces)
 119
 120   (defface org-columns-level-8;; font-lock-string-face
 121     (org-compatible-face
 122         'outline-8
 123       '((((class color) (min-colors 16) (background light)) (:foreground "RosyBrown" :background "grey90"))
 124         (((class color) (min-colors 16) (background dark)) (:foreground "LightSalmon" :background "grey30"))
 125         (((class color) (min-colors 8)) (:foreground "green"))))
 126     "Face used for columns-level 8 headlines."
 127     :group 'org-faces)
 128
 129
 130   (defface org-columns-space;; font-lock-function-name-face
 131     (org-compatible-face
 132         'outline-1
 133       '((((class color) (min-colors 88) (background light)) (:background "grey90"))
 134         (((class color) (min-colors 88) (background dark))  (:background "grey30"))
 135         (((class color) (min-colors 16) (background light)) (:background "grey90"))
 136         (((class color) (min-colors 16) (background dark)) (:background "grey30"))
 137         (((class color) (min-colors 8)) (:bold t :underline t))))
 138     "Face used for columns space headlines."
 139     :group 'org-faces)
 140
 141   (defface org-columns-space1;; font-lock-function-name-face
 142     (org-compatible-face
 143         'outline-1
 144       '((((class color) (min-colors 88) (background light)) (:background "grey90"))
 145         (((class color) (min-colors 88) (background dark))  (:background "grey30"))
 146         (((class color) (min-colors 16) (background light)) (:background "grey90"))
 147         (((class color) (min-colors 16) (background dark)) (:background "grey30"))
 148         (((class color) (min-colors 8)) (:bold t :underline t))))
 149     "Face used for columns space headlines."
 150     :group 'org-faces)
 151   )
 152
 153 (when (featurep 'xemacs)
 154   (defconst org-columns-level-faces
 155     '(org-columns-level-1
 156       org-columns-level-2 org-columns-level-3
 157       org-columns-level-4 org-columns-level-5 org-columns-level-6
 158       org-columns-level-7 org-columns-level-8
 159       ))
 160
 161   (defun org-get-columns-level-face (n)
 162     "Get the right face for match N in font-lock matching of headlines."
 163     (setq org-l (- (match-end 2) (match-beginning 1) 1))
 164     (if org-odd-levels-only (setq org-l (1+ (/ org-l 2))))
 165     (setq org-f (nth (% (1- org-l) org-n-level-faces) org-columns-level-faces))
 166     (cond
 167      ((eq n 1) (if org-hide-leading-stars 'org-hide org-f))
 168      ((eq n 2) org-f)
 169      (t (if org-level-color-stars-only nil org-f))))
 170   )
 171
 172
 173 ;;; Column View
 174
 175 (defvar org-columns-overlays nil
 176   "Holds the list of current column overlays.")
 177
 178 (defvar org-columns-current-fmt nil
 179   "Local variable, holds the currently active column format.")
 180 (make-variable-buffer-local 'org-columns-current-fmt)
 181 (defvar org-columns-current-fmt-compiled nil
 182   "Local variable, holds the currently active column format.
 183 This is the compiled version of the format.")
 184 (make-variable-buffer-local 'org-columns-current-fmt-compiled)
 185 (defvar org-columns-current-widths nil
 186   "Local variable, holds the currently widths of fields.")
 187 (make-variable-buffer-local 'org-columns-current-widths)
 188 (defvar org-columns-current-maxwidths nil
 189   "Local variable, holds the currently active maximum column widths.")
 190 (make-variable-buffer-local 'org-columns-current-maxwidths)
 191 (defvar org-columns-begin-marker (make-marker)
 192   "Points to the position where last a column creation command was called.")
 193 (defvar org-columns-top-level-marker (make-marker)
 194   "Points to the position where current columns region starts.")
 195
 196 (defvar org-columns-map (make-sparse-keymap)
 197   "The keymap valid in column display.")
 198
 199 (defun org-columns-content ()
 200   "Switch to contents view while in columns view."
 201   (interactive)
 202   (org-overview)
 203   (org-content))
 204
 205 (org-defkey org-columns-map "c" 'org-columns-content)
 206 (org-defkey org-columns-map "o" 'org-overview)
 207 (org-defkey org-columns-map "e" 'org-columns-edit-value)
 208 (org-defkey org-columns-map "\C-c\C-t" 'org-columns-todo)
 209 (org-defkey org-columns-map "\C-c\C-c" 'org-columns-set-tags-or-toggle)
 210 (org-defkey org-columns-map "\C-c\C-o" 'org-columns-open-link)
 211 (org-defkey org-columns-map "v" 'org-columns-show-value)
 212 (org-defkey org-columns-map "q" 'org-columns-quit)
 213 (org-defkey org-columns-map "r" 'org-columns-redo)
 214 (org-defkey org-columns-map "g" 'org-columns-redo)
 215 (org-defkey org-columns-map [left] 'org-columns-backward-char)
 216 (org-defkey org-columns-map "\M-b" 'org-columns-backward-char)
 217 (org-defkey org-columns-map "a" 'org-columns-edit-allowed)
 218 (org-defkey org-columns-map "s" 'org-columns-edit-attributes)
 219 (org-defkey org-columns-map "\M-f" 'org-columns-forward-char)
 220 (org-defkey org-columns-map [right] 'org-columns-forward-char)
 221 (org-defkey org-columns-map [(shift right)] 'org-columns-next-allowed-value)
 222 (org-defkey org-columns-map "n" 'org-columns-next-allowed-value)
 223 (org-defkey org-columns-map [(shift left)] 'org-columns-previous-allowed-value)
 224 (org-defkey org-columns-map "p" 'org-columns-previous-allowed-value)
 225 (org-defkey org-columns-map "<" 'org-columns-narrow)
 226 (org-defkey org-columns-map ">" 'org-columns-widen)
 227 (org-defkey org-columns-map [(meta right)] 'org-columns-move-right)
 228 (org-defkey org-columns-map [(meta left)] 'org-columns-move-left)
 229 (org-defkey org-columns-map [(shift meta right)] 'org-columns-new)
 230 (org-defkey org-columns-map [(shift meta left)] 'org-columns-delete)
 231 (dotimes (i 10)
 232   (org-defkey org-columns-map (number-to-string i)
 233               `(lambda () (interactive)
 234                  (org-columns-next-allowed-value nil ,i))))
 235
 236 (easy-menu-define org-columns-menu org-columns-map "Org Column Menu"
 237   '("Column"
 238     ["Edit property" org-columns-edit-value t]
 239     ["Next allowed value" org-columns-next-allowed-value t]
 240     ["Previous allowed value" org-columns-previous-allowed-value t]
 241     ["Show full value" org-columns-show-value t]
 242     ["Edit allowed values" org-columns-edit-allowed t]
 243     "--"
 244     ["Edit column attributes" org-columns-edit-attributes t]
 245     ["Increase column width" org-columns-widen t]
 246     ["Decrease column width" org-columns-narrow t]
 247     "--"
 248     ["Move column right" org-columns-move-right t]
 249     ["Move column left" org-columns-move-left t]
 250     ["Add column" org-columns-new t]
 251     ["Delete column" org-columns-delete t]
 252     "--"
 253     ["CONTENTS" org-columns-content t]
 254     ["OVERVIEW" org-overview t]
 255     ["Refresh columns display" org-columns-redo t]
 256     "--"
 257     ["Open link" org-columns-open-link t]
 258     "--"
 259     ["Quit" org-columns-quit t]))
 260
 261 (defun org-columns-current-column ()
 262   (if (featurep 'xemacs)
 263       (/ (current-column) 2)
 264     (current-column)))
 265
 266 (defun org-columns-forward-char ()
 267   (interactive)
 268   (forward-char)
 269   (if (featurep 'xemacs)
 270       (while (not (or (eolp)
 271                       (member (extent-at
 272                                (point) (current-buffer)
 273                                'org-columns-key) org-columns-overlays)))
 274         (forward-char))))
 275
 276 (defun org-columns-backward-char ()
 277   (interactive)
 278   (backward-char)
 279   (if (featurep 'xemacs)
 280       (while (not (or (bolp)
 281                       (member (extent-at (point) (current-buffer) 'org-columns-key) org-columns-overlays)))
 282         (backward-char))))
 283
 284 (defun org-columns-new-overlay (beg end &optional string face)
 285   "Create a new column overlay and add it to the list."
 286   (let ((ov (make-overlay beg end)))
 287     (if (featurep 'xemacs)
 288         (progn
 289           (overlay-put ov 'face (or face 'org-columns-space1))
 290           (overlay-put ov 'start-open t)
 291           (if string
 292               (org-overlay-display ov string (or face 'org-columns-space1))))
 293       (overlay-put ov 'face (or face 'secondary-selection))
 294       (org-overlay-display ov string face))
 295     (push ov org-columns-overlays)
 296     ov))
 297
 298 (defun org-columns-display-here (&optional props)
 299   "Overlay the current line with column display."
 300   (interactive)
 301   (let* ((fmt org-columns-current-fmt-compiled)
 302          (beg (point-at-bol))
 303          (level-face (save-excursion
 304                        (beginning-of-line 1)
 305                        (and (looking-at "\\(\\**\\)\\(\\* \\)")
 306                             (org-get-level-face 2))))
 307          (item (save-match-data
 308                  (org-no-properties
 309                   (org-remove-tabs
 310                    (buffer-substring-no-properties
 311                     (point-at-bol) (point-at-eol))))))
 312          (color (if (featurep 'xemacs)
 313                     (save-excursion
 314                       (beginning-of-line 1)
 315                       (and (looking-at "\\(\\**\\)\\(\\* \\)")
 316                            (org-get-columns-level-face 2)))
 317                   (list :foreground
 318                         (face-attribute
 319                          (or level-face
 320                              (and (eq major-mode 'org-agenda-mode)
 321                                   (get-text-property (point-at-bol) 'face))
 322                              'default) :foreground))))
 323          (face (if (featurep 'xemacs) color (list color 'org-column)))
 324          (pl (- (point)
 325                 (or (text-property-any (point-at-bol) (point-at-eol) 'org-heading t)
 326                     (point))))
 327          (cphr (get-text-property (point-at-bol) 'org-complex-heading-regexp))
 328          pom property ass width f string ov column val modval s2 title calc)
 329     ;; Check if the entry is in another buffer.
 330     (unless props
 331       (if (eq major-mode 'org-agenda-mode)
 332           (setq pom (or (org-get-at-bol 'org-hd-marker)
 333                         (org-get-at-bol 'org-marker))
 334                 props (if pom (org-entry-properties pom) nil))
 335         (setq props (org-entry-properties nil))))
 336     ;; Walk the format
 337     (while (setq column (pop fmt))
 338       (setq property (car column)
 339             title (nth 1 column)
 340             ass (if (equal property "ITEM")
 341                     (cons "ITEM" item)
 342                   (assoc property props))
 343             width (or (cdr (assoc property org-columns-current-maxwidths))
 344                       (nth 2 column)
 345                       (length property))
 346             f (format (if (featurep 'xemacs) "%%-%d.%ds |" "%%-%d.%ds | ")
 347                       width width)
 348             val (or (cdr ass) "")
 349             calc (nth 7 column)
 350             modval (cond ((and org-columns-modify-value-for-display-function
 351                                (functionp
 352                                 org-columns-modify-value-for-display-function))
 353                           (funcall org-columns-modify-value-for-display-function
 354                                    title val))
 355                          ((equal property "ITEM")
 356                           (if (eq major-mode 'org-mode)
 357                               (org-columns-cleanup-item
 358                                val org-columns-current-fmt-compiled)))
 359                          ((and calc (functionp calc)
 360                                (not (string= val ""))
 361                                (not (get-text-property 0 'org-computed val)))
 362                           (org-columns-number-to-string
 363                            (funcall calc (org-columns-string-to-number
 364                                           val (nth 4 column)))
 365                            (nth 4 column)))))
 366       (setq s2 (org-columns-add-ellipses (or modval val) width))
 367       (setq string (format f s2))
 368       ;; Create the overlay
 369       (org-unmodified
 370        (setq ov (org-columns-new-overlay
 371                  beg (setq beg (1+ beg)) string face))
 372        (overlay-put ov 'keymap org-columns-map)
 373        (overlay-put ov 'org-columns-key property)
 374        (overlay-put ov 'org-columns-value (cdr ass))
 375        (overlay-put ov 'org-columns-value-modified modval)
 376        (overlay-put ov 'org-columns-pom pom)
 377        (overlay-put ov 'org-columns-format f)
 378        (when (featurep 'xemacs)
 379          (if (or (not (char-after beg))
 380                  (equal (char-after beg) ?\n))
 381              (let ((inhibit-read-only t))
 382                (save-excursion
 383                  (goto-char beg)
 384                  (org-unmodified (insert " "))
 385                  ;; FIXME: add props and remove later?
 386                  )))
 387          (goto-char beg)
 388          (org-columns-new-overlay
 389           beg (1+ beg) nil 'org-columns-space)
 390          (setq beg (1+ beg))))
 391
 392       (if (or (not (char-after beg))
 393               (equal (char-after beg) ?\n))
 394           (let ((inhibit-read-only t))
 395             (save-excursion
 396               (goto-char beg)
 397               ;; FIXME: add props and remove later?
 398               (org-unmodified (insert " "))))))
 399     ;; Make the rest of the line disappear.
 400     (org-unmodified
 401      (setq ov (org-columns-new-overlay beg (point-at-eol)))
 402      (overlay-put ov 'invisible t)
 403      (overlay-put ov 'keymap org-columns-map)
 404      (overlay-put ov 'intangible t)
 405      (push ov org-columns-overlays)
 406      (setq ov (make-overlay (1- (point-at-eol)) (1+ (point-at-eol))))
 407      (overlay-put ov 'keymap org-columns-map)
 408      (push ov org-columns-overlays)
 409      (let ((inhibit-read-only t))
 410        (put-text-property (max (point-min) (1- (point-at-bol)))
 411                           (min (point-max) (1+ (point-at-eol)))
 412                           'read-only "Type `e' to edit property")))))
 413
 414 (defun org-columns-add-ellipses (string width)
 415   "Truncate STRING with WIDTH characters, with ellipses."
 416   (cond
 417    ((<= (length string) width) string)
 418    ((<= width (length org-columns-ellipses))
 419     (substring org-columns-ellipses 0 width))
 420    (t (concat (substring string 0 (- width (length org-columns-ellipses)))
 421               org-columns-ellipses))))
 422
 423 (defvar org-columns-full-header-line-format nil
 424   "The full header line format, will be shifted by horizontal scrolling." )
 425 (defvar org-previous-header-line-format nil
 426   "The header line format before column view was turned on.")
 427 (defvar org-columns-inhibit-recalculation nil
 428   "Inhibit recomputing of columns on column view startup.")
 429
 430
 431 (defvar header-line-format)
 432 (defvar org-columns-previous-hscroll 0)
 433
 434 (defun org-columns-display-here-title ()
 435   "Overlay the newline before the current line with the table title."
 436   (interactive)
 437   (let ((fmt org-columns-current-fmt-compiled)
 438         string (title "")
 439         property width f column str widths)
 440     (while (setq column (pop fmt))
 441       (setq property (car column)
 442             str (or (nth 1 column) property)
 443             width (or (cdr (assoc property org-columns-current-maxwidths))
 444                       (nth 2 column)
 445                       (length str))
 446             widths (push width widths)
 447             f (format "%%-%d.%ds | " width width)
 448             string (format f str)
 449             title (concat title string)))
 450     (if (featurep 'xemacs)
 451         (let ((ext (make-extent nil nil)))
 452           (set-extent-endpoints ext 0 (length title) title)
 453           (set-extent-face ext (list 'bold 'underline 'org-columns-space1))
 454           (org-set-local 'org-previous-header-line-format
 455                          (specifier-specs top-gutter))
 456           (org-set-local 'org-columns-current-widths (nreverse widths))
 457           (set-specifier top-gutter (make-gutter-specifier
 458                                      (cons (current-buffer) title))))
 459       (setq title (concat
 460                    (org-add-props " " nil 'display '(space :align-to 0))
 461                    (org-add-props title nil 'face '(:weight bold :underline t))))
 462       (org-set-local 'org-previous-header-line-format header-line-format)
 463       (org-set-local 'org-columns-current-widths (nreverse widths))
 464       (setq org-columns-full-header-line-format title)
 465       (setq org-columns-previous-hscroll -1)
 466       (org-add-hook 'post-command-hook 'org-columns-hscoll-title nil 'local))))
 467
 468 (defun org-columns-hscoll-title ()
 469   "Set the `header-line-format' so that it scrolls along with the table."
 470   (sit-for .0001) ; need to force a redisplay to update window-hscroll
 471   (when (not (= (window-hscroll) org-columns-previous-hscroll))
 472     (setq header-line-format
 473           (concat (substring org-columns-full-header-line-format 0 1)
 474                   (substring org-columns-full-header-line-format
 475                              (1+ (window-hscroll))))
 476           org-columns-previous-hscroll (window-hscroll))
 477     (force-mode-line-update)))
 478
 479 (defvar org-colview-initial-truncate-line-value nil
 480   "Remember the value of `truncate-lines' across colview.")
 481
 482 (defun org-columns-remove-overlays ()
 483   "Remove all currently active column overlays."
 484   (interactive)
 485   (when (marker-buffer org-columns-begin-marker)
 486     (with-current-buffer (marker-buffer org-columns-begin-marker)
 487       (when (local-variable-p 'org-previous-header-line-format (current-buffer))
 488         (if (featurep 'xemacs)
 489             (set-specifier top-gutter
 490                            (make-gutter-specifier
 491                             (cons (current-buffer)
 492                                   (cdar org-previous-header-line-format))))
 493           (setq header-line-format org-previous-header-line-format)
 494           (remove-hook 'post-command-hook 'org-columns-hscoll-title 'local))
 495         (kill-local-variable 'org-previous-header-line-format))
 496       (move-marker org-columns-begin-marker nil)
 497       (move-marker org-columns-top-level-marker nil)
 498       (org-unmodified
 499        (mapc 'delete-overlay org-columns-overlays)
 500        (setq org-columns-overlays nil)
 501        (let ((inhibit-read-only t))
 502          (remove-text-properties (point-min) (point-max) '(read-only t))))
 503       (when (local-variable-p 'org-colview-initial-truncate-line-value
 504                               (current-buffer))
 505         (setq truncate-lines org-colview-initial-truncate-line-value)))))
 506
 507
 508 (defun org-columns-cleanup-item (item fmt)
 509   "Remove from ITEM what is a column in the format FMT."
 510   (if (not org-complex-heading-regexp)
 511       item
 512     (when (string-match org-complex-heading-regexp item)
 513       (setq item
 514             (concat
 515              (org-add-props (match-string 1 item) nil
 516                'org-whitespace (* 2 (1- (org-reduced-level (- (match-end 1) (match-beginning 1))))))
 517              (and (match-end 2) (not (assoc "TODO" fmt)) (concat " " (match-string 2 item)))
 518              (and (match-end 3) (not (assoc "PRIORITY" fmt)) (concat " " (match-string 3 item)))
 519              " " (save-match-data (org-columns-compact-links (or (match-string 4 item) "")))
 520              (and (match-end 5) (not (assoc "TAGS" fmt)) (concat " " (match-string 5 item)))))
 521       (add-text-properties
 522        0 (1+ (match-end 1))
 523        (list 'org-whitespace (* 2 (1- (org-reduced-level (- (match-end 1) (match-beginning 1))))))
 524        item)
 525       item)))
 526
 527 (defun org-columns-compact-links (s)
 528   "Replace [[link][desc]] with [desc] or [link]."
 529   (while (string-match org-bracket-link-regexp s)
 530     (setq s (replace-match
 531              (concat "[" (match-string (if (match-end 3) 3 1) s) "]")
 532              t t s)))
 533   s)
 534
 535 (defun org-columns-show-value ()
 536   "Show the full value of the property."
 537   (interactive)
 538   (let ((value (get-char-property (point) 'org-columns-value)))
 539     (message "Value is: %s" (or value ""))))
 540
 541 (defvar org-agenda-columns-active) ;; defined in org-agenda.el
 542
 543 (defun org-columns-quit ()
 544   "Remove the column overlays and in this way exit column editing."
 545   (interactive)
 546   (org-unmodified
 547    (org-columns-remove-overlays)
 548    (let ((inhibit-read-only t))
 549      (remove-text-properties (point-min) (point-max) '(read-only t))))
 550   (when (eq major-mode 'org-agenda-mode)
 551     (setq org-agenda-columns-active nil)
 552     (message
 553      "Modification not yet reflected in Agenda buffer, use `r' to refresh")))
 554
 555 (defun org-columns-check-computed ()
 556   "Check if this column value is computed.
 557 If yes, throw an error indicating that changing it does not make sense."
 558   (let ((val (get-char-property (point) 'org-columns-value)))
 559     (when (and (stringp val)
 560                (get-char-property 0 'org-computed val))
 561       (error "This value is computed from the entry's children"))))
 562
 563 (defun org-columns-todo (&optional arg)
 564   "Change the TODO state during column view."
 565   (interactive "P")
 566   (org-columns-edit-value "TODO"))
 567
 568 (defun org-columns-set-tags-or-toggle (&optional arg)
 569   "Toggle checkbox at point, or set tags for current headline."
 570   (interactive "P")
 571   (if (string-match "\\`\\[[ xX-]\\]\\'"
 572                     (get-char-property (point) 'org-columns-value))
 573       (org-columns-next-allowed-value)
 574     (org-columns-edit-value "TAGS")))
 575
 576 (defun org-columns-edit-value (&optional key)
 577   "Edit the value of the property at point in column view.
 578 Where possible, use the standard interface for changing this line."
 579   (interactive)
 580   (org-columns-check-computed)
 581   (let* ((col (current-column))
 582          (key (or key (get-char-property (point) 'org-columns-key)))
 583          (value (get-char-property (point) 'org-columns-value))
 584          (bol (point-at-bol)) (eol (point-at-eol))
 585          (pom (or (get-text-property bol 'org-hd-marker)
 586                   (point))) ; keep despite of compiler warning
 587          (line-overlays
 588           (delq nil (mapcar (lambda (x)
 589                               (and (eq (overlay-buffer x) (current-buffer))
 590                                    (>= (overlay-start x) bol)
 591                                    (<= (overlay-start x) eol)
 592                                    x))
 593                             org-columns-overlays)))
 594          (org-columns-time (time-to-number-of-days (current-time)))
 595          nval eval allowed)
 596     (cond
 597      ((equal key "CLOCKSUM")
 598       (error "This special column cannot be edited"))
 599      ((equal key "ITEM")
 600       (setq eval '(org-with-point-at pom (org-edit-headline))))
 601      ((equal key "TODO")
 602       (setq eval '(org-with-point-at
 603                    pom
 604                    (call-interactively 'org-todo))))
 605      ((equal key "PRIORITY")
 606       (setq eval '(org-with-point-at pom
 607                                      (call-interactively 'org-priority))))
 608      ((equal key "TAGS")
 609       (setq eval '(org-with-point-at
 610                    pom
 611                    (let ((org-fast-tag-selection-single-key
 612                           (if (eq org-fast-tag-selection-single-key 'expert)
 613                               t org-fast-tag-selection-single-key)))
 614                      (call-interactively 'org-set-tags)))))
 615      ((equal key "DEADLINE")
 616       (setq eval '(org-with-point-at
 617                    pom
 618                    (call-interactively 'org-deadline))))
 619      ((equal key "SCHEDULED")
 620       (setq eval '(org-with-point-at
 621                    pom
 622                    (call-interactively 'org-schedule))))
 623      (t
 624       (setq allowed (org-property-get-allowed-values pom key 'table))
 625       (if allowed
 626           (setq nval (org-icompleting-read
 627                       "Value: " allowed nil
 628                       (not (get-text-property 0 'org-unrestricted
 629                                               (caar allowed)))))
 630         (setq nval (read-string "Edit: " value)))
 631       (setq nval (org-trim nval))
 632       (when (not (equal nval value))
 633         (setq eval '(org-entry-put pom key nval)))))
 634     (when eval
 635
 636       (cond
 637        ((equal major-mode 'org-agenda-mode)
 638         (org-columns-eval eval)
 639         ;; The following let preserves the current format, and makes sure
 640         ;; that in only a single file things need to be upated.
 641         (let* ((org-agenda-overriding-columns-format org-columns-current-fmt)
 642                (buffer (marker-buffer pom))
 643                (org-agenda-contributing-files
 644                 (list (with-current-buffer buffer
 645                         (buffer-file-name (buffer-base-buffer))))))
 646           (org-agenda-columns)))
 647        (t
 648         (let ((inhibit-read-only t))
 649           (org-unmodified
 650            (remove-text-properties
 651             (max (point-min) (1- bol)) eol '(read-only t)))
 652           (unwind-protect
 653               (progn
 654                 (setq org-columns-overlays
 655                       (org-delete-all line-overlays org-columns-overlays))
 656                 (mapc 'delete-overlay line-overlays)
 657                 (org-columns-eval eval))
 658             (org-columns-display-here)))
 659         (org-move-to-column col)
 660         (if (and (eq major-mode 'org-mode)
 661                  (nth 3 (assoc key org-columns-current-fmt-compiled)))
 662             (org-columns-update key)))))))
 663
 664 (defun org-edit-headline () ; FIXME: this is not columns specific.  Make interactive?????  Use from agenda????
 665   "Edit the current headline, the part without TODO keyword, TAGS."
 666   (org-back-to-heading)
 667   (when (looking-at org-todo-line-regexp)
 668     (let ((pos (point))
 669           (pre (buffer-substring (match-beginning 0) (match-beginning 3)))
 670           (txt (match-string 3))
 671           (post "")
 672           txt2)
 673       (if (string-match (org-re "[ \t]+:[[:alnum:]:_@#%]+:[ \t]*$") txt)
 674           (setq post (match-string 0 txt)
 675                 txt (substring txt 0 (match-beginning 0))))
 676       (setq txt2 (read-string "Edit: " txt))
 677       (when (not (equal txt txt2))
 678         (goto-char pos)
 679         (insert pre txt2 post)
 680         (delete-region (point) (point-at-eol))
 681         (org-set-tags nil t)))))
 682
 683 (defun org-columns-edit-allowed ()
 684   "Edit the list of allowed values for the current property."
 685   (interactive)
 686   (let* ((pom (or (org-get-at-bol 'org-marker)
 687                   (org-get-at-bol 'org-hd-marker)
 688                   (point)))
 689          (key (get-char-property (point) 'org-columns-key))
 690          (key1 (concat key "_ALL"))
 691          (allowed (org-entry-get pom key1 t))
 692          nval)
 693     ;; FIXME: Cover editing TODO, TAGS etc in-buffer settings.????
 694     ;; FIXME: Write back to #+PROPERTY setting if that is needed.
 695     (setq nval (read-string "Allowed: " allowed))
 696     (org-entry-put
 697      (cond ((marker-position org-entry-property-inherited-from)
 698             org-entry-property-inherited-from)
 699            ((marker-position org-columns-top-level-marker)
 700             org-columns-top-level-marker)
 701            (t pom))
 702      key1 nval)))
 703
 704 (defun org-columns-eval (form)
 705   (let (hidep)
 706     (save-excursion
 707       (beginning-of-line 1)
 708       ;; `next-line' is needed here, because it skips invisible line.
 709       (condition-case nil (org-no-warnings (next-line 1)) (error nil))
 710       (setq hidep (org-at-heading-p 1)))
 711     (eval form)
 712     (and hidep (hide-entry))))
 713
 714 (defun org-columns-previous-allowed-value ()
 715   "Switch to the previous allowed value for this column."
 716   (interactive)
 717   (org-columns-next-allowed-value t))
 718
 719 (defun org-columns-next-allowed-value (&optional previous nth)
 720   "Switch to the next allowed value for this column.
 721 When PREVIOUS is set, go to the previous value.  When NTH is
 722 an integer, select that value."
 723   (interactive)
 724   (org-columns-check-computed)
 725   (let* ((col (current-column))
 726          (key (get-char-property (point) 'org-columns-key))
 727          (value (get-char-property (point) 'org-columns-value))
 728          (bol (point-at-bol)) (eol (point-at-eol))
 729          (pom (or (get-text-property bol 'org-hd-marker)
 730                   (point))) ; keep despite of compiler waring
 731          (line-overlays
 732           (delq nil (mapcar (lambda (x)
 733                               (and (eq (overlay-buffer x) (current-buffer))
 734                                    (>= (overlay-start x) bol)
 735                                    (<= (overlay-start x) eol)
 736                                    x))
 737                             org-columns-overlays)))
 738          (allowed (or (org-property-get-allowed-values pom key)
 739                       (and (memq
 740                             (nth 4 (assoc key org-columns-current-fmt-compiled))
 741                             '(checkbox checkbox-n-of-m checkbox-percent))
 742                            '("[ ]" "[X]"))
 743                       (org-colview-construct-allowed-dates value)))
 744          nval)
 745     (when (integerp nth)
 746       (setq nth (1- nth))
 747       (if (= nth -1) (setq nth 9)))
 748     (when (equal key "ITEM")
 749       (error "Cannot edit item headline from here"))
 750     (unless (or allowed (member key '("SCHEDULED" "DEADLINE")))
 751       (error "Allowed values for this property have not been defined"))
 752     (if (member key '("SCHEDULED" "DEADLINE"))
 753         (setq nval (if previous 'earlier 'later))
 754       (if previous (setq allowed (reverse allowed)))
 755       (cond
 756        (nth
 757         (setq nval (nth nth allowed))
 758         (if (not nval)
 759             (error "There are only %d allowed values for property `%s'"
 760                    (length allowed) key)))
 761        ((member value allowed)
 762         (setq nval (or (car (cdr (member value allowed)))
 763                        (car allowed)))
 764         (if (equal nval value)
 765             (error "Only one allowed value for this property")))
 766        (t (setq nval (car allowed)))))
 767     (cond
 768      ((equal major-mode 'org-agenda-mode)
 769       (org-columns-eval '(org-entry-put pom key nval))
 770       ;; The following let preserves the current format, and makes sure
 771       ;; that in only a single file things need to be upated.
 772       (let* ((org-agenda-overriding-columns-format org-columns-current-fmt)
 773              (buffer (marker-buffer pom))
 774              (org-agenda-contributing-files
 775               (list (with-current-buffer buffer
 776                       (buffer-file-name (buffer-base-buffer))))))
 777         (org-agenda-columns)))
 778      (t
 779       (let ((inhibit-read-only t))
 780         (remove-text-properties (1- bol) eol '(read-only t))
 781         (unwind-protect
 782             (progn
 783               (setq org-columns-overlays
 784                     (org-delete-all line-overlays org-columns-overlays))
 785               (mapc 'delete-overlay line-overlays)
 786               (org-columns-eval '(org-entry-put pom key nval)))
 787           (org-columns-display-here)))
 788       (org-move-to-column col)
 789       (and (nth 3 (assoc key org-columns-current-fmt-compiled))
 790            (org-columns-update key))))))
 791
 792 (defun org-colview-construct-allowed-dates (s)
 793   "Construct a list of three dates around the date in S.
 794 This respects the format of the time stamp in S, active or non-active,
 795 and also including time or not.  S must be just a time stamp, no text
 796 around it."
 797   (when (and s (string-match (concat "^" org-ts-regexp3 "$") s))
 798     (let* ((time (org-parse-time-string s 'nodefaults))
 799            (active (equal (string-to-char s) ?<))
 800            (fmt (funcall (if (nth 1 time) 'cdr 'car) org-time-stamp-formats))
 801            time-before time-after)
 802       (unless active (setq fmt (concat "[" (substring fmt 1 -1) "]")))
 803       (setf (car time) (or (car time) 0))
 804       (setf (nth 1 time) (or (nth 1 time) 0))
 805       (setf (nth 2 time) (or (nth 2 time) 0))
 806       (setq time-before (copy-sequence time))
 807       (setq time-after (copy-sequence time))
 808       (setf (nth 3 time-before) (1- (nth 3 time)))
 809       (setf (nth 3 time-after) (1+ (nth 3 time)))
 810       (mapcar (lambda (x) (format-time-string fmt (apply 'encode-time x)))
 811               (list time-before time time-after)))))
 812
 813 (defun org-verify-version (task)
 814   (cond
 815    ((eq task 'columns)
 816     (if (or (and (featurep 'xemacs) (not (featurep 'org-colview-xemacs)))
 817             (and (not (featurep 'xemacs)) (< emacs-major-version 22)))
 818         (error "This version of Emacs cannot run Column View")))))
 819
 820 (defun org-columns-open-link (&optional arg)
 821   (interactive "P")
 822   (let ((value (get-char-property (point) 'org-columns-value)))
 823     (org-open-link-from-string value arg)))
 824
 825 (defun org-columns-get-format-and-top-level ()
 826   (let (fmt)
 827     (when (condition-case nil (org-back-to-heading) (error nil))
 828       (setq fmt (org-entry-get nil "COLUMNS" t)))
 829     (setq fmt (or fmt org-columns-default-format))
 830     (org-set-local 'org-columns-current-fmt fmt)
 831     (org-columns-compile-format fmt)
 832     (if (marker-position org-entry-property-inherited-from)
 833         (move-marker org-columns-top-level-marker
 834                      org-entry-property-inherited-from)
 835       (move-marker org-columns-top-level-marker (point)))
 836     fmt))
 837
 838 (defun org-columns ()
 839   "Turn on column view on an org-mode file."
 840   (interactive)
 841   (org-verify-version 'columns)
 842   (when (featurep 'xemacs)
 843     (set-face-foreground 'org-columns-space
 844                          (face-background 'org-columns-space)))
 845   (org-columns-remove-overlays)
 846   (move-marker org-columns-begin-marker (point))
 847   (let ((org-columns-time (time-to-number-of-days (current-time)))
 848         beg end fmt cache maxwidths)
 849     (setq fmt (org-columns-get-format-and-top-level))
 850     (save-excursion
 851       (goto-char org-columns-top-level-marker)
 852       (setq beg (point))
 853       (unless org-columns-inhibit-recalculation
 854         (org-columns-compute-all))
 855       (setq end (or (condition-case nil (org-end-of-subtree t t) (error nil))
 856                     (point-max)))
 857       ;; Get and cache the properties
 858       (goto-char beg)
 859       (when (assoc "CLOCKSUM" org-columns-current-fmt-compiled)
 860         (save-excursion
 861           (save-restriction
 862             (narrow-to-region beg end)
 863             (org-clock-sum))))
 864       (while (re-search-forward org-outline-regexp-bol end t)
 865         (if (and org-columns-skip-archived-trees
 866                  (looking-at (concat ".*:" org-archive-tag ":")))
 867             (org-end-of-subtree t)
 868           (push (cons (org-current-line) (org-entry-properties)) cache)))
 869       (when cache
 870         (setq maxwidths (org-columns-get-autowidth-alist fmt cache))
 871         (org-set-local 'org-columns-current-maxwidths maxwidths)
 872         (org-columns-display-here-title)
 873         (unless (local-variable-p 'org-colview-initial-truncate-line-value
 874                                   (current-buffer))
 875           (org-set-local 'org-colview-initial-truncate-line-value
 876                          truncate-lines))
 877         (setq truncate-lines t)
 878         (mapc (lambda (x)
 879                 (org-goto-line (car x))
 880                 (org-columns-display-here (cdr x)))
 881               cache)))))
 882
 883 (eval-when-compile (defvar org-columns-time))
 884
 885 (defvar org-columns-compile-map
 886   '(("none" none +)
 887     (":" add_times +)
 888     ("+" add_numbers +)
 889     ("$" currency +)
 890     ("X" checkbox +)
 891     ("X/" checkbox-n-of-m +)
 892     ("X%" checkbox-percent +)
 893     ("max" max_numbers max)
 894     ("min" min_numbers min)
 895     ("mean" mean_numbers
 896      (lambda (&rest x) (/ (apply '+ x) (float (length x)))))
 897     (":max" max_times max)
 898     (":min" min_times min)
 899     (":mean" mean_times
 900      (lambda (&rest x) (/ (apply '+ x) (float (length x)))))
 901     ("@min" min_age min (lambda (x) (- org-columns-time x)))
 902     ("@max" max_age max (lambda (x) (- org-columns-time x)))
 903     ("@mean" mean_age
 904      (lambda (&rest x) (/ (apply '+ x) (float (length x))))
 905      (lambda (x) (- org-columns-time x)))
 906     ("est+" estimate org-estimate-combine))
 907   "Operator <-> format,function,calc  map.
 908 Used to compile/uncompile columns format and completing read in
 909 interactive function `org-columns-new'.
 910
 911  operator    string used in #+COLUMNS definition describing the
 912              summary type
 913  format      symbol describing summary type selected interactively in
 914              `org-columns-new' and internally in
 915              `org-columns-number-to-string' and
 916              `org-columns-string-to-number'
 917  function    called with a list of values as argument to calculate
 918              the summary value
 919  calc        function called on every element before summarizing.  This is
 920              optional and should only be specified if needed")
 921
 922
 923 (defun org-columns-new (&optional prop title width op fmt fun &rest rest)
 924   "Insert a new column, to the left of the current column."
 925   (interactive)
 926   (let ((n (org-columns-current-column))
 927         (editp (and prop (assoc prop org-columns-current-fmt-compiled)))
 928         cell)
 929     (setq prop (org-icompleting-read
 930                 "Property: " (mapcar 'list (org-buffer-property-keys t nil t))
 931                 nil nil prop))
 932     (setq title (read-string (concat "Column title [" prop "]: ") (or title prop)))
 933     (setq width (read-string "Column width: " (if width (number-to-string width))))
 934     (if (string-match "\\S-" width)
 935         (setq width (string-to-number width))
 936       (setq width nil))
 937     (setq fmt (org-icompleting-read "Summary [none]: "
 938                                        (mapcar (lambda (x) (list (symbol-name (cadr x)))) org-columns-compile-map)
 939                                        nil t))
 940     (setq fmt (intern fmt)
 941           fun (cdr (assoc fmt (mapcar 'cdr org-columns-compile-map))))
 942     (if (eq fmt 'none) (setq fmt nil))
 943     (if editp
 944         (progn
 945           (setcar editp prop)
 946           (setcdr editp (list title width nil fmt nil fun)))
 947       (setq cell (nthcdr (1- n) org-columns-current-fmt-compiled))
 948       (setcdr cell (cons (list prop title width nil fmt nil
 949                                (car fun) (cadr fun))
 950                          (cdr cell))))
 951     (org-columns-store-format)
 952     (org-columns-redo)))
 953
 954 (defun org-columns-delete ()
 955   "Delete the column at point from columns view."
 956   (interactive)
 957   (let* ((n (org-columns-current-column))
 958          (title (nth 1 (nth n org-columns-current-fmt-compiled))))
 959     (when (y-or-n-p
 960            (format "Are you sure you want to remove column \"%s\"? " title))
 961       (setq org-columns-current-fmt-compiled
 962             (delq (nth n org-columns-current-fmt-compiled)
 963                   org-columns-current-fmt-compiled))
 964       (org-columns-store-format)
 965       (org-columns-redo)
 966       (if (>= (org-columns-current-column)
 967               (length org-columns-current-fmt-compiled))
 968           (org-columns-backward-char)))))
 969
 970 (defun org-columns-edit-attributes ()
 971   "Edit the attributes of the current column."
 972   (interactive)
 973   (let* ((n (org-columns-current-column))
 974          (info (nth n org-columns-current-fmt-compiled)))
 975     (apply 'org-columns-new info)))
 976
 977 (defun org-columns-widen (arg)
 978   "Make the column wider by ARG characters."
 979   (interactive "p")
 980   (let* ((n (org-columns-current-column))
 981          (entry (nth n org-columns-current-fmt-compiled))
 982          (width (or (nth 2 entry)
 983                     (cdr (assoc (car entry) org-columns-current-maxwidths)))))
 984     (setq width (max 1 (+ width arg)))
 985     (setcar (nthcdr 2 entry) width)
 986     (org-columns-store-format)
 987     (org-columns-redo)))
 988
 989 (defun org-columns-narrow (arg)
 990   "Make the column narrower by ARG characters."
 991   (interactive "p")
 992   (org-columns-widen (- arg)))
 993
 994 (defun org-columns-move-right ()
 995   "Swap this column with the one to the right."
 996   (interactive)
 997   (let* ((n (org-columns-current-column))
 998          (cell (nthcdr n org-columns-current-fmt-compiled))
 999          e)
1000     (when (>= n (1- (length org-columns-current-fmt-compiled)))
1001       (error "Cannot shift this column further to the right"))
1002     (setq e (car cell))
1003     (setcar cell (car (cdr cell)))
1004     (setcdr cell (cons e (cdr (cdr cell))))
1005     (org-columns-store-format)
1006     (org-columns-redo)
1007     (org-columns-forward-char)))
1008
1009 (defun org-columns-move-left ()
1010   "Swap this column with the one to the left."
1011   (interactive)
1012   (let* ((n (org-columns-current-column)))
1013     (when (= n 0)
1014       (error "Cannot shift this column further to the left"))
1015     (org-columns-backward-char)
1016     (org-columns-move-right)
1017     (org-columns-backward-char)))
1018
1019 (defun org-columns-store-format ()
1020   "Store the text version of the current columns format in appropriate place.
1021 This is either in the COLUMNS property of the node starting the current column
1022 display, or in the #+COLUMNS line of the current buffer."
1023   (let (fmt (cnt 0))
1024     (setq fmt (org-columns-uncompile-format org-columns-current-fmt-compiled))
1025     (org-set-local 'org-columns-current-fmt fmt)
1026     (if (marker-position org-columns-top-level-marker)
1027         (save-excursion
1028           (goto-char org-columns-top-level-marker)
1029           (if (and (org-at-heading-p)
1030                    (org-entry-get nil "COLUMNS"))
1031               (org-entry-put nil "COLUMNS" fmt)
1032             (goto-char (point-min))
1033             ;; Overwrite all #+COLUMNS lines....
1034             (while (re-search-forward "^#\\+COLUMNS:.*" nil t)
1035               (setq cnt (1+ cnt))
1036               (replace-match (concat "#+COLUMNS: " fmt) t t))
1037             (unless (> cnt 0)
1038               (goto-char (point-min))
1039               (or (org-at-heading-p t) (outline-next-heading))
1040               (let ((inhibit-read-only t))
1041                 (insert-before-markers "#+COLUMNS: " fmt "\n")))
1042             (org-set-local 'org-columns-default-format fmt))))))
1043
1044 (defvar org-agenda-overriding-columns-format nil
1045   "When set, overrides any other format definition for the agenda.
1046 Don't set this, this is meant for dynamic scoping.")
1047
1048 (defun org-columns-get-autowidth-alist (s cache)
1049   "Derive the maximum column widths from the format and the cache."
1050   (let ((start 0) rtn)
1051     (while (string-match (org-re "%\\([[:alpha:]][[:alnum:]_-]*\\)") s start)
1052       (push (cons (match-string 1 s) 1) rtn)
1053       (setq start (match-end 0)))
1054     (mapc (lambda (x)
1055             (setcdr x (apply 'max
1056                              (mapcar
1057                               (lambda (y)
1058                                 (length (or (cdr (assoc (car x) (cdr y))) " ")))
1059                               cache))))
1060           rtn)
1061     rtn))
1062
1063 (defun org-columns-compute-all ()
1064   "Compute all columns that have operators defined."
1065   (org-unmodified
1066    (remove-text-properties (point-min) (point-max) '(org-summaries t)))
1067   (let ((columns org-columns-current-fmt-compiled)
1068         (org-columns-time (time-to-number-of-days (current-time)))
1069         col)
1070     (while (setq col (pop columns))
1071       (when (nth 3 col)
1072         (save-excursion
1073           (org-columns-compute (car col)))))))
1074
1075 (defun org-columns-update (property)
1076   "Recompute PROPERTY, and update the columns display for it."
1077   (org-columns-compute property)
1078   (let (fmt val pos face)
1079     (save-excursion
1080       (mapc (lambda (ov)
1081               (when (equal (overlay-get ov 'org-columns-key) property)
1082                 (setq pos (overlay-start ov))
1083                 (goto-char pos)
1084                 (when (setq val (cdr (assoc property
1085                                             (get-text-property
1086                                              (point-at-bol) 'org-summaries))))
1087                   (setq fmt (overlay-get ov 'org-columns-format))
1088                   (overlay-put ov 'org-columns-value val)
1089                   (if (featurep 'xemacs)
1090                       (progn
1091                         (setq face (glyph-face (extent-end-glyph ov)))
1092                         (org-overlay-display ov (format fmt val) face))
1093                     (org-overlay-display ov (format fmt val))))))
1094             org-columns-overlays))))
1095
1096 (defun org-columns-compute (property)
1097   "Sum the values of property PROPERTY hierarchically, for the entire buffer."
1098   (interactive)
1099   (let* ((re org-outline-regexp-bol)
1100          (lmax 30) ; Does anyone use deeper levels???
1101          (lvals (make-vector lmax nil))
1102          (lflag (make-vector lmax nil))
1103          (level 0)
1104          (ass (assoc property org-columns-current-fmt-compiled))
1105          (format (nth 4 ass))
1106          (printf (nth 5 ass))
1107          (fun (nth 6 ass))
1108          (calc (or (nth 7 ass) 'identity))
1109          (beg org-columns-top-level-marker)
1110          last-level val valflag flag end sumpos sum-alist sum str str1 useval)
1111     (save-excursion
1112       ;; Find the region to compute
1113       (goto-char beg)
1114       (setq end (condition-case nil (org-end-of-subtree t) (error (point-max))))
1115       (goto-char end)
1116       ;; Walk the tree from the back and do the computations
1117       (while (re-search-backward re beg t)
1118         (setq sumpos (match-beginning 0)
1119               last-level level
1120               level (org-outline-level)
1121               val (org-entry-get nil property)
1122               valflag (and val (string-match "\\S-" val)))
1123         (cond
1124          ((< level last-level)
1125           ;; put the sum of lower levels here as a property
1126           (setq sum (when (aref lvals last-level)
1127                       (apply fun (aref lvals last-level)))
1128                 flag (aref lflag last-level) ; any valid entries from children?
1129                 str (org-columns-number-to-string sum format printf)
1130                 str1 (org-add-props (copy-sequence str) nil 'org-computed t 'face 'bold)
1131                 useval (if flag str1 (if valflag val ""))
1132                 sum-alist (get-text-property sumpos 'org-summaries))
1133           (if (assoc property sum-alist)
1134               (setcdr (assoc property sum-alist) useval)
1135             (push (cons property useval) sum-alist)
1136             (org-unmodified
1137              (add-text-properties sumpos (1+ sumpos)
1138                                   (list 'org-summaries sum-alist))))
1139           (when (and val (not (equal val (if flag str val))))
1140             (org-entry-put nil property (if flag str val)))
1141           ;; add current to current level accumulator
1142           (when (or flag valflag)
1143             (push (if flag
1144                       sum
1145                     (funcall calc (org-columns-string-to-number
1146                                    (if flag str val) format)))
1147                   (aref lvals level))
1148             (aset lflag level t))
1149           ;; clear accumulators for deeper levels
1150           (loop for l from (1+ level) to (1- lmax) do
1151                 (aset lvals l nil)
1152                 (aset lflag l nil)))
1153          ((>= level last-level)
1154           ;; add what we have here to the accumulator for this level
1155           (when valflag
1156             (push (funcall calc (org-columns-string-to-number val format))
1157                   (aref lvals level))
1158             (aset lflag level t)))
1159          (t (error "This should not happen")))))))
1160
1161 (defun org-columns-redo ()
1162   "Construct the column display again."
1163   (interactive)
1164   (message "Recomputing columns...")
1165   (save-excursion
1166     (if (marker-position org-columns-begin-marker)
1167         (goto-char org-columns-begin-marker))
1168     (org-columns-remove-overlays)
1169     (if (eq major-mode 'org-mode)
1170         (call-interactively 'org-columns)
1171       (org-agenda-redo)
1172       (call-interactively 'org-agenda-columns)))
1173   (when (featurep 'xemacs)
1174     (while (not (or (eolp)
1175                     (member (extent-at (point)) org-columns-overlays)))
1176       (forward-char)))
1177   (message "Recomputing columns...done"))
1178
1179 (defun org-columns-not-in-agenda ()
1180   (if (eq major-mode 'org-agenda-mode)
1181       (error "This command is only allowed in Org-mode buffers")))
1182
1183 (defun org-string-to-number (s)
1184   "Convert string to number, and interpret hh:mm:ss."
1185   (if (not (string-match ":" s))
1186       (string-to-number s)
1187     (let ((l (nreverse (org-split-string s ":"))) (sum 0.0))
1188       (while l
1189         (setq sum (+ (string-to-number (pop l)) (/ sum 60))))
1190       sum)))
1191
1192 (defun org-columns-number-to-string (n fmt &optional printf)
1193   "Convert a computed column number to a string value, according to FMT."
1194   (cond
1195    ((memq fmt '(estimate)) (org-estimate-print n printf))
1196    ((not (numberp n)) "")
1197    ((memq fmt '(add_times max_times min_times mean_times))
1198     (let* ((h (floor n)) (m (floor (+ 0.5 (* 60 (- n h))))))
1199       (format org-time-clocksum-format h m)))
1200    ((eq fmt 'checkbox)
1201     (cond ((= n (floor n)) "[X]")
1202           ((> n 1.) "[-]")
1203           (t "[ ]")))
1204    ((memq fmt '(checkbox-n-of-m checkbox-percent))
1205     (let* ((n1 (floor n)) (n2 (floor (+ .5 (* 1000000 (- n n1))))))
1206       (org-nofm-to-completion n1 (+ n2 n1) (eq fmt 'checkbox-percent))))
1207    (printf (format printf n))
1208    ((eq fmt 'currency)
1209     (format "%.2f" n))
1210    ((memq fmt '(min_age max_age mean_age))
1211     (org-format-time-period n))
1212    (t (number-to-string n))))
1213
1214 (defun org-nofm-to-completion (n m &optional percent)
1215   (if (not percent)
1216       (format "[%d/%d]" n m)
1217     (format "[%d%%]"(floor (+ 0.5 (* 100. (/ (* 1.0 n) m)))))))
1218
1219 (defun org-columns-string-to-number (s fmt)
1220   "Convert a column value to a number that can be used for column computing."
1221   (if s
1222       (cond
1223        ((memq fmt '(min_age max_age mean_age))
1224         (cond ((string= s "") org-columns-time)
1225               ((string-match
1226                 "\\([0-9]+\\)d \\([0-9]+\\)h \\([0-9]+\\)m \\([0-9]+\\)s"
1227                 s)
1228                (+ (* 60 (+ (* 60 (+ (* 24 (string-to-number (match-string 1 s)))
1229                                     (string-to-number (match-string 2 s))))
1230                            (string-to-number (match-string 3 s))))
1231                   (string-to-number (match-string 4 s))))
1232               (t (time-to-number-of-days (apply 'encode-time
1233                                                 (org-parse-time-string s t))))))
1234        ((string-match ":" s)
1235         (let ((l (nreverse (org-split-string s ":"))) (sum 0.0))
1236           (while l
1237             (setq sum (+ (string-to-number (pop l)) (/ sum 60))))
1238           sum))
1239        ((memq fmt '(checkbox checkbox-n-of-m checkbox-percent))
1240         (if (equal s "[X]") 1. 0.000001))
1241        ((memq fmt '(estimate)) (org-string-to-estimate s))
1242        (t (string-to-number s)))))
1243
1244 (defun org-columns-uncompile-format (cfmt)
1245   "Turn the compiled columns format back into a string representation."
1246   (let ((rtn "") e s prop title op op-match width fmt printf fun calc)
1247     (while (setq e (pop cfmt))
1248       (setq prop (car e)
1249             title (nth 1 e)
1250             width (nth 2 e)
1251             op (nth 3 e)
1252             fmt (nth 4 e)
1253             printf (nth 5 e)
1254             fun (nth 6 e)
1255             calc (nth 7 e))
1256       (when (setq op-match (rassoc (list fmt fun calc) org-columns-compile-map))
1257         (setq op (car op-match)))
1258       (if (and op printf) (setq op (concat op ";" printf)))
1259       (if (equal title prop) (setq title nil))
1260       (setq s (concat "%" (if width (number-to-string width))
1261                       prop
1262                       (if title (concat "(" title ")"))
1263                       (if op (concat "{" op "}"))))
1264       (setq rtn (concat rtn " " s)))
1265     (org-trim rtn)))
1266
1267 (defun org-columns-compile-format (fmt)
1268   "Turn a column format string into an alist of specifications.
1269 The alist has one entry for each column in the format.  The elements of
1270 that list are:
1271 property     the property
1272 title        the title field for the columns
1273 width        the column width in characters, can be nil for automatic
1274 operator     the operator if any
1275 format       the output format for computed results, derived from operator
1276 printf       a printf format for computed values
1277 fun          the lisp function to compute summary values, derived from operator
1278 calc         function to get values from base elements"
1279   (let ((start 0) width prop title op op-match f printf fun calc)
1280     (setq org-columns-current-fmt-compiled nil)
1281     (while (string-match
1282             (org-re "%\\([0-9]+\\)?\\([[:alnum:]_-]+\\)\\(?:(\\([^)]+\\))\\)?\\(?:{\\([^}]+\\)}\\)?\\s-*")
1283             fmt start)
1284       (setq start (match-end 0)
1285             width (match-string 1 fmt)
1286             prop (match-string 2 fmt)
1287             title (or (match-string 3 fmt) prop)
1288             op (match-string 4 fmt)
1289             f nil
1290             printf nil
1291             fun '+
1292             calc nil)
1293       (if width (setq width (string-to-number width)))
1294       (when (and op (string-match ";" op))
1295         (setq printf (substring op (match-end 0))
1296               op (substring op 0 (match-beginning 0))))
1297       (when (setq op-match (assoc op org-columns-compile-map))
1298         (setq f (cadr op-match)
1299               fun (caddr op-match)
1300               calc (cadddr op-match)))
1301       (push (list prop title width op f printf fun calc)
1302             org-columns-current-fmt-compiled))
1303     (setq org-columns-current-fmt-compiled
1304           (nreverse org-columns-current-fmt-compiled))))
1305
1306
1307 ;;; Dynamic block for Column view
1308
1309 (defun org-columns-capture-view (&optional maxlevel skip-empty-rows)
1310   "Get the column view of the current buffer or subtree.
1311 The first optional argument MAXLEVEL sets the level limit.  A
1312 second optional argument SKIP-EMPTY-ROWS tells whether to skip
1313 empty rows, an empty row being one where all the column view
1314 specifiers except ITEM are empty.  This function returns a list
1315 containing the title row and all other rows.  Each row is a list
1316 of fields."
1317   (if (featurep 'xemacs)
1318       (save-excursion
1319         (let* ((title (mapcar 'cadr org-columns-current-fmt-compiled))
1320                (re-comment (format org-heading-keyword-regexp-format
1321                                    org-comment-string))
1322                (re-archive (concat ".*:" org-archive-tag ":"))
1323                (n (length title)) row tbl)
1324           (goto-char (point-min))
1325
1326           (while (re-search-forward org-heading-regexp nil t)
1327             (catch 'next
1328               (when (and (or (null maxlevel)
1329                              (>= maxlevel
1330                                  (if org-odd-levels-only
1331                                      (/ (1+ (length (match-string 1))) 2)
1332                                    (length (match-string 1)))))
1333                          (get-char-property (match-beginning 0) 'org-columns-key))
1334                 (goto-char (match-beginning 0))
1335                 (when (save-excursion
1336                         (goto-char (point-at-bol))
1337                         (or (looking-at re-comment)
1338                             (looking-at re-archive)))
1339                   (org-end-of-subtree t)
1340                   (throw 'next t))
1341                 (setq row nil)
1342                 (loop for i from 0 to (1- n) do
1343                       (push
1344                        (org-quote-vert
1345                         (or (get-char-property (point)
1346                                                'org-columns-value-modified)
1347                             (get-char-property (point) 'org-columns-value)
1348                             ""))
1349                        row)
1350                       (org-columns-forward-char))
1351                 (setq row (nreverse row))
1352                 (unless (and skip-empty-rows
1353                              (eq 1 (length (delete "" (delete-dups (copy-sequence row))))))
1354                   (push row tbl)))))
1355           (append (list title 'hline) (nreverse tbl))))
1356     (save-excursion
1357       (let* ((title (mapcar 'cadr org-columns-current-fmt-compiled))
1358              (n (length title)) row tbl)
1359         (goto-char (point-min))
1360         (while (and (re-search-forward "^\\(\\*+\\) " nil t)
1361                     (or (null maxlevel)
1362                         (>= maxlevel
1363                             (if org-odd-levels-only
1364                                 (/ (1+ (length (match-string 1))) 2)
1365                               (length (match-string 1))))))
1366           (when (get-char-property (match-beginning 0) 'org-columns-key)
1367             (setq row nil)
1368             (loop for i from 0 to (1- n) do
1369                   (push (or (get-char-property (+ (match-beginning 0) i)
1370                                                'org-columns-value-modified)
1371                             (get-char-property (+ (match-beginning 0) i)
1372                                                'org-columns-value)
1373                             "")
1374                         row))
1375             (setq row (nreverse row))
1376             (unless (and skip-empty-rows
1377                          (eq 1 (length (delete "" (delete-dups row)))))
1378               (push row tbl))))
1379         (append (list title 'hline) (nreverse tbl))))))
1380
1381 (defun org-dblock-write:columnview (params)
1382   "Write the column view table.
1383 PARAMS is a property list of parameters:
1384
1385 :width    enforce same column widths with <N> specifiers.
1386 :id       the :ID: property of the entry where the columns view
1387           should be built.  When the symbol `local', call locally.
1388           When `global' call column view with the cursor at the beginning
1389           of the buffer (usually this means that the whole buffer switches
1390           to column view).  When \"file:path/to/file.org\", invoke column
1391           view at the start of that file.  Otherwise, the ID is located
1392           using `org-id-find'.
1393 :hlines   When t, insert a hline before each item.  When a number, insert
1394           a hline before each level <= that number.
1395 :vlines   When t, make each column a colgroup to enforce vertical lines.
1396 :maxlevel When set to a number, don't capture headlines below this level.
1397 :skip-empty-rows
1398           When t, skip rows where all specifiers other than ITEM are empty."
1399   (let ((pos (move-marker (make-marker) (point)))
1400         (hlines (plist-get params :hlines))
1401         (vlines (plist-get params :vlines))
1402         (maxlevel (plist-get params :maxlevel))
1403         (content-lines (org-split-string (plist-get params :content) "\n"))
1404         (skip-empty-rows (plist-get params :skip-empty-rows))
1405         tbl id idpos nfields tmp recalc line
1406         id-as-string view-file view-pos)
1407     (when (setq id (plist-get params :id))
1408       (setq id-as-string (cond ((numberp id) (number-to-string id))
1409                                ((symbolp id) (symbol-name id))
1410                                ((stringp id) id)
1411                                (t "")))
1412       (cond ((not id) nil)
1413             ((eq id 'global) (setq view-pos (point-min)))
1414             ((eq id 'local))
1415             ((string-match "^file:\\(.*\\)" id-as-string)
1416              (setq view-file (match-string 1 id-as-string)
1417                    view-pos 1)
1418              (unless (file-exists-p view-file)
1419                (error "No such file: \"%s\"" id-as-string)))
1420             ((setq idpos (org-find-entry-with-id id))
1421              (setq view-pos idpos))
1422             ((setq idpos (org-id-find id))
1423              (setq view-file (car idpos))
1424              (setq view-pos (cdr idpos)))
1425             (t (error "Cannot find entry with :ID: %s" id))))
1426     (with-current-buffer (if view-file
1427                              (get-file-buffer view-file)
1428                            (current-buffer))
1429       (save-excursion
1430         (save-restriction
1431           (widen)
1432           (goto-char (or view-pos (point)))
1433           (org-columns)
1434           (setq tbl (org-columns-capture-view maxlevel skip-empty-rows))
1435           (setq nfields (length (car tbl)))
1436           (org-columns-quit))))
1437     (goto-char pos)
1438     (move-marker pos nil)
1439     (when tbl
1440       (when (plist-get params :hlines)
1441         (setq tmp nil)
1442         (while tbl
1443           (if (eq (car tbl) 'hline)
1444               (push (pop tbl) tmp)
1445             (if (string-match "\\` *\\(\\*+\\)" (caar tbl))
1446                 (if (and (not (eq (car tmp) 'hline))
1447                          (or (eq hlines t)
1448                              (and (numberp hlines)
1449                                   (<= (- (match-end 1) (match-beginning 1))
1450                                       hlines))))
1451                     (push 'hline tmp)))
1452             (push (pop tbl) tmp)))
1453         (setq tbl (nreverse tmp)))
1454       (when vlines
1455         (setq tbl (mapcar (lambda (x)
1456                             (if (eq 'hline x) x (cons "" x)))
1457                           tbl))
1458         (setq tbl (append tbl (list (cons "/" (make-list nfields "<>"))))))
1459       (setq pos (point))
1460       (when content-lines
1461         (while (string-match "^#" (car content-lines))
1462           (insert (pop content-lines) "\n")))
1463       (insert (org-listtable-to-string tbl))
1464       (when (plist-get params :width)
1465         (insert "\n|" (mapconcat (lambda (x) (format "<%d>" (max 3 x)))
1466                                  org-columns-current-widths "|")))
1467       (while (setq line (pop content-lines))
1468         (when (string-match "^#" line)
1469           (insert "\n" line)
1470           (when (string-match "^[ \t]*#\\+TBLFM" line)
1471             (setq recalc t))))
1472       (if recalc
1473           (progn (goto-char pos) (org-table-recalculate 'all))
1474         (goto-char pos)
1475         (org-table-align)))))
1476
1477 (defun org-listtable-to-string (tbl)
1478   "Convert a listtable TBL to a string that contains the Org-mode table.
1479 The table still need to be aligned.  The resulting string has no leading
1480 and tailing newline characters."
1481   (mapconcat
1482    (lambda (x)
1483      (cond
1484       ((listp x)
1485        (concat "|" (mapconcat 'identity x "|") "|"))
1486       ((eq x 'hline) "|-|")
1487       (t (error "Garbage in listtable: %s" x))))
1488    tbl "\n"))
1489
1490 (defun org-insert-columns-dblock ()
1491   "Create a dynamic block capturing a column view table."
1492   (interactive)
1493   (when (featurep 'xemacs) (org-columns-quit))
1494   (let ((defaults '(:name "columnview" :hlines 1))
1495         (id (org-icompleting-read
1496              "Capture columns (local, global, entry with :ID: property) [local]: "
1497              (append '(("global") ("local"))
1498                      (mapcar 'list (org-property-values "ID"))))))
1499     (if (equal id "") (setq id 'local))
1500     (if (equal id "global") (setq id 'global))
1501     (setq defaults (append defaults (list :id id)))
1502     (org-create-dblock defaults)
1503     (org-update-dblock)))
1504
1505 ;;; Column view in the agenda
1506
1507 (defvar org-agenda-view-columns-initially nil
1508   "When set, switch to columns view immediately after creating the agenda.")
1509
1510 (defvar org-agenda-columns-show-summaries) ; defined in org-agenda.el
1511 (defvar org-agenda-columns-compute-summary-properties); defined in org-agenda.el
1512 (defvar org-agenda-columns-add-appointments-to-effort-sum); as well
1513
1514 (defun org-agenda-columns ()
1515   "Turn on or update column view in the agenda."
1516   (interactive)
1517   (org-verify-version 'columns)
1518   (org-columns-remove-overlays)
1519   (move-marker org-columns-begin-marker (point))
1520   (let ((org-columns-time (time-to-number-of-days (current-time)))
1521          cache maxwidths m p a d fmt)
1522     (cond
1523      ((and (boundp 'org-agenda-overriding-columns-format)
1524            org-agenda-overriding-columns-format)
1525       (setq fmt org-agenda-overriding-columns-format)
1526       (org-set-local 'org-agenda-overriding-columns-format fmt))
1527      ((setq m (org-get-at-bol 'org-hd-marker))
1528       (setq fmt (or (org-entry-get m "COLUMNS" t)
1529                     (with-current-buffer (marker-buffer m)
1530                       org-columns-default-format))))
1531      ((and (boundp 'org-columns-current-fmt)
1532            (local-variable-p 'org-columns-current-fmt (current-buffer))
1533            org-columns-current-fmt)
1534       (setq fmt org-columns-current-fmt))
1535      ((setq m (next-single-property-change (point-min) 'org-hd-marker))
1536       (setq m (get-text-property m 'org-hd-marker))
1537       (setq fmt (or (org-entry-get m "COLUMNS" t)
1538                     (with-current-buffer (marker-buffer m)
1539                       org-columns-default-format)))))
1540     (setq fmt (or fmt org-columns-default-format))
1541     (org-set-local 'org-columns-current-fmt fmt)
1542     (org-columns-compile-format fmt)
1543     (when org-agenda-columns-compute-summary-properties
1544       (org-agenda-colview-compute org-columns-current-fmt-compiled))
1545     (save-excursion
1546       ;; Get and cache the properties
1547       (goto-char (point-min))
1548       (while (not (eobp))
1549         (when (setq m (or (org-get-at-bol 'org-hd-marker)
1550                           (org-get-at-bol 'org-marker)))
1551           (setq p (org-entry-properties m))
1552
1553           (when (or (not (setq a (assoc org-effort-property p)))
1554                          (not (string-match "\\S-" (or (cdr a) ""))))
1555             ;; OK, the property is not defined.  Use appointment duration?
1556             (when (and org-agenda-columns-add-appointments-to-effort-sum
1557                        (setq d (get-text-property (point) 'duration)))
1558               (setq d (org-minutes-to-hh:mm-string d))
1559               (put-text-property 0 (length d) 'face 'org-warning d)
1560               (push (cons org-effort-property d) p)))
1561           (push (cons (org-current-line) p) cache))
1562         (beginning-of-line 2))
1563       (when cache
1564         (setq maxwidths (org-columns-get-autowidth-alist fmt cache))
1565         (org-set-local 'org-columns-current-maxwidths maxwidths)
1566         (org-columns-display-here-title)
1567         (mapc (lambda (x)
1568                 (org-goto-line (car x))
1569                 (org-columns-display-here (cdr x)))
1570               cache)
1571         (when org-agenda-columns-show-summaries
1572           (org-agenda-colview-summarize cache))))))
1573
1574 (defun org-agenda-colview-summarize (cache)
1575   "Summarize the summarizable columns in column view in the agenda.
1576 This will add overlays to the date lines, to show the summary for each day."
1577   (let* ((fmt (mapcar (lambda (x)
1578                         (if (equal (car x) "CLOCKSUM")
1579                             (list "CLOCKSUM" (nth 2 x) nil 'add_times nil '+ 'identity)
1580                           (cdr x)))
1581                       org-columns-current-fmt-compiled))
1582          line c c1 stype calc sumfunc props lsum entries prop v)
1583     (catch 'exit
1584       (when (delq nil (mapcar 'cadr fmt))
1585         ;; OK, at least one summation column, it makes sense to try this
1586         (goto-char (point-max))
1587         (while t
1588           (when (or (get-text-property (point) 'org-date-line)
1589                     (eq (get-text-property (point) 'face)
1590                         'org-agenda-structure))
1591             ;; OK, this is a date line that should be used
1592             (setq line (org-current-line))
1593             (setq entries nil c cache cache nil)
1594             (while (setq c1 (pop c))
1595               (if (> (car c1) line)
1596                   (push c1 entries)
1597                 (push c1 cache)))
1598             ;; now ENTRIES are the ones we want to use, CACHE is the rest
1599             ;; Compute the summaries for the properties we want,
1600             ;; set nil properties for the rest.
1601             (when (setq entries (mapcar 'cdr entries))
1602               (setq props
1603                     (mapcar
1604                      (lambda (f)
1605                        (setq prop (car f)
1606                              stype (nth 3 f)
1607                              sumfunc (nth 5 f)
1608                              calc (or (nth 6 f) 'identity))
1609                        (cond
1610                         ((equal prop "ITEM")
1611                          (cons prop (buffer-substring (point-at-bol)
1612                                                       (point-at-eol))))
1613                         ((not stype) (cons prop ""))
1614                         (t ;; do the summary
1615                          (setq lsum nil)
1616                          (dolist (x entries)
1617                            (setq v (cdr (assoc prop x)))
1618                            (if v
1619                                (push
1620                                 (funcall
1621                                  (if (not (get-text-property 0 'org-computed v))
1622                                      calc
1623                                    'identity)
1624                                  (org-columns-string-to-number
1625                                   v stype))
1626                                 lsum)))
1627                          (setq lsum (remove nil lsum))
1628                          (setq lsum
1629                                (cond ((> (length lsum) 1)
1630                                       (org-columns-number-to-string
1631                                        (apply sumfunc lsum) stype))
1632                                      ((eq (length lsum) 1)
1633                                       (org-columns-number-to-string
1634                                        (car lsum) stype))
1635                                      (t "")))
1636                          (put-text-property 0 (length lsum) 'face 'bold lsum)
1637                          (unless (eq calc 'identity)
1638                              (put-text-property 0 (length lsum) 'org-computed t lsum))
1639                          (cons prop lsum))))
1640                      fmt))
1641               (org-columns-display-here props)
1642               (org-set-local 'org-agenda-columns-active t)))
1643           (if (bobp) (throw 'exit t))
1644           (beginning-of-line 0))))))
1645
1646 (defun org-agenda-colview-compute (fmt)
1647   "Compute the relevant columns in the contributing source buffers."
1648   (let ((files org-agenda-contributing-files)
1649         (org-columns-begin-marker (make-marker))
1650         (org-columns-top-level-marker (make-marker))
1651         f fm a b)
1652     (while (setq f (pop files))
1653       (setq b (find-buffer-visiting f))
1654       (with-current-buffer (or (buffer-base-buffer b) b)
1655         (save-excursion
1656           (save-restriction
1657             (widen)
1658             (org-unmodified
1659              (remove-text-properties (point-min) (point-max)
1660                                      '(org-summaries t)))
1661             (goto-char (point-min))
1662             (org-columns-get-format-and-top-level)
1663             (while (setq fm (pop fmt))
1664               (if (equal (car fm) "CLOCKSUM")
1665                   (org-clock-sum)
1666                 (when (and (nth 4 fm)
1667                            (setq a (assoc (car fm)
1668                                           org-columns-current-fmt-compiled))
1669                            (equal (nth 4 a) (nth 4 fm)))
1670                   (org-columns-compute (car fm)))))))))))
1671
1672 (defun org-format-time-period (interval)
1673   "Convert time in fractional days to days/hours/minutes/seconds."
1674   (if (numberp interval)
1675     (let* ((days (floor interval))
1676            (frac-hours (* 24 (- interval days)))
1677            (hours (floor frac-hours))
1678            (minutes (floor (* 60 (- frac-hours hours))))
1679            (seconds (floor (* 60 (- (* 60 (- frac-hours hours)) minutes)))))
1680       (format "%dd %02dh %02dm %02ds" days hours minutes seconds))
1681     ""))
1682
1683 (defun org-estimate-mean-and-var (v)
1684   "Return the mean and variance of an estimate."
1685   (let* ((low (float (car v)))
1686          (high (float (cadr v)))
1687          (mean (/ (+ low high) 2.0))
1688          (var (/ (+ (expt (- mean low) 2.0) (expt (- high mean) 2.0)) 2.0)))
1689     (list  mean var)))
1690
1691 (defun org-estimate-combine (&rest el)
1692   "Combine a list of estimates, using mean and variance.
1693 The mean and variance of the result will be the sum of the means
1694 and variances (respectively) of the individual estimates."
1695   (let ((mean 0)
1696         (var 0))
1697     (mapc (lambda (e)
1698             (let ((stats (org-estimate-mean-and-var e)))
1699               (setq mean (+ mean (car stats)))
1700               (setq var (+ var (cadr stats)))))
1701           el)
1702     (let ((stdev (sqrt var)))
1703       (list (- mean stdev) (+ mean stdev)))))
1704
1705 (defun org-estimate-print (e &optional fmt)
1706   "Prepare a string representation of an estimate.
1707 This formats these numbers as two numbers with a \"-\" between them."
1708   (if (null fmt) (set 'fmt "%.0f"))
1709   (format "%s" (mapconcat (lambda (n) (format fmt n))  e "-")))
1710
1711 (defun org-string-to-estimate (s)
1712   "Convert a string to an estimate.
1713 The string should be two numbers joined with a \"-\"."
1714   (if (string-match "\\(.*\\)-\\(.*\\)" s)
1715       (list (string-to-number (match-string 1 s))
1716             (string-to-number(match-string 2 s)))
1717     (list (string-to-number s) (string-to-number s))))
1718
1719 (provide 'org-colview)
1720 (provide 'org-colview-xemacs)
1721
1722 ;;; org-colview-xemacs.el ends here