lisp/org-colview-xemacs.el

   1 ;;; org-colview-xemacs.el --- Column View in Org-mode, XEmacs-specific version
   2
   3 ;; Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009
   4 ;;   Free Software Foundation, Inc.
   5
   6 ;; Author: Carsten Dominik <carsten at orgmode dot org>
   7 ;; Keywords: outlines, hypermedia, calendar, wp
   8 ;; Homepage: http://orgmode.org
   9 ;; Version: 6.33f
  10 ;;
  11 ;; This file is part of GNU Emacs.
  12 ;;
  13 ;; GNU Emacs is free software; you can redistribute it and/or modify
  14 ;; it under the terms of the GNU General Public License as published by
  15 ;; the Free Software Foundation; either version 3, or (at your option)
  16 ;; any later version.
  17
  18 ;; GNU Emacs is distributed in the hope that it will be useful,
  19 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 ;; GNU General Public License for more details.
  22
  23 ;; You should have received a copy of the GNU General Public License
  24 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  25 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  26 ;; Boston, MA 02110-1301, USA.
  27 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
  28 ;;
  29 ;;; Commentary:
  30
  31 ;; This file contains the column view for Org.
  32
  33 ;;; Code:
  34
  35 (eval-when-compile (require 'cl))
  36 (require 'org)
  37
  38 (declare-function org-agenda-redo "org-agenda" ())
  39
  40
  41 ;;; Define additional faces for column view
  42
  43 (when (featurep 'xemacs)
  44
  45   (defface org-columns-level-1;; font-lock-function-name-face
  46     (org-compatible-face
  47         'outline-1
  48       '((((class color) (min-colors 88) (background light)) (:foreground "Blue1" :background "grey90"))
  49         (((class color) (min-colors 88) (background dark)) (:foreground "LightSkyBlue" :background "grey30"))
  50         (((class color) (min-colors 16) (background light)) (:foreground "Blue" :background "grey90"))
  51         (((class color) (min-colors 16) (background dark)) (:foreground "LightSkyBlue" :background "grey30"))
  52         (((class color) (min-colors 8)) (:foreground "blue" :bold t))
  53         (t (:bold t))))
  54     "Face used for columns-level 1 headlines."
  55     :group 'org-faces)
  56
  57   (defface org-columns-level-2;; font-lock-variable-name-face
  58     (org-compatible-face
  59         'outline-2
  60       '((((class color) (min-colors 16) (background light)) (:foreground "DarkGoldenrod" :background "grey90"))
  61         (((class color) (min-colors 16) (background dark))  (:foreground "LightGoldenrod" :background "grey30"))
  62         (((class color) (min-colors 8)  (background light)) (:foreground "yellow" :background "grey90"))
  63         (((class color) (min-colors 8)  (background dark))  (:foreground "yellow" :bold t))
  64         (t (:bold t))))
  65     "Face used for columns-level 2 headlines."
  66     :group 'org-faces)
  67
  68   (defface org-columns-level-3;; font-lock-keyword-face
  69     (org-compatible-face
  70         'outline-3
  71       '((((class color) (min-colors 88) (background light)) (:foreground "Purple" :background "grey90"))
  72         (((class color) (min-colors 88) (background dark))  (:foreground "Cyan1" :background "grey30"))
  73         (((class color) (min-colors 16) (background light)) (:foreground "Purple" :background "grey90"))
  74         (((class color) (min-colors 16) (background dark))  (:foreground "Cyan" :background "grey30"))
  75         (((class color) (min-colors 8)  (background light)) (:foreground "purple" :bold t))
  76         (((class color) (min-colors 8)  (background dark))  (:foreground "cyan" :bold t))
  77         (t (:bold t))))
  78     "Face used for columns-level 3 headlines."
  79     :group 'org-faces)
  80
  81   (defface org-columns-level-4;; font-lock-comment-face
  82     (org-compatible-face
  83         'outline-4
  84       '((((class color) (min-colors 88) (background light)) (:foreground "Firebrick" :background "grey90"))
  85         (((class color) (min-colors 88) (background dark))  (:foreground "chocolate1" :background "grey30"))
  86         (((class color) (min-colors 16) (background light)) (:foreground "red"))
  87         (((class color) (min-colors 16) (background dark))  (:foreground "red1"))
  88         (((class color) (min-colors 8) (background light))  (:foreground "red" :bold t))
  89         (((class color) (min-colors 8) (background dark))   (:foreground "red" :bold t))
  90         (t (:bold t))))
  91     "Face used for columns-level 4 headlines."
  92     :group 'org-faces)
  93
  94   (defface org-columns-level-5;; font-lock-type-face
  95     (org-compatible-face
  96         'outline-5
  97       '((((class color) (min-colors 16) (background light)) (:foreground "ForestGreen" :background "grey90"))
  98         (((class color) (min-colors 16) (background dark)) (:foreground "PaleGreen" :background "grey30"))
  99         (((class color) (min-colors 8)) (:foreground "green"))))
 100     "Face used for columns-level 5 headlines."
 101     :group 'org-faces)
 102
 103   (defface org-columns-level-6;; font-lock-constant-face
 104     (org-compatible-face
 105         'outline-6
 106       '((((class color) (min-colors 16) (background light)) (:foreground "CadetBlue" :background "grey90"))
 107         (((class color) (min-colors 16) (background dark)) (:foreground "Aquamarine" :background "grey30"))
 108         (((class color) (min-colors 8)) (:foreground "magenta"))))
 109     "Face used for columns-level 6 headlines."
 110     :group 'org-faces)
 111
 112   (defface org-columns-level-7;; font-lock-builtin-face
 113     (org-compatible-face
 114         'outline-7
 115       '((((class color) (min-colors 16) (background light)) (:foreground "Orchid" :background "grey90"))
 116         (((class color) (min-colors 16) (background dark)) (:foreground "LightSteelBlue" :background "grey30"))
 117         (((class color) (min-colors 8)) (:foreground "blue"))))
 118     "Face used for columns-level 7 headlines."
 119     :group 'org-faces)
 120
 121   (defface org-columns-level-8;; font-lock-string-face
 122     (org-compatible-face
 123         'outline-8
 124       '((((class color) (min-colors 16) (background light)) (:foreground "RosyBrown" :background "grey90"))
 125         (((class color) (min-colors 16) (background dark)) (:foreground "LightSalmon" :background "grey30"))
 126         (((class color) (min-colors 8)) (:foreground "green"))))
 127     "Face used for columns-level 8 headlines."
 128     :group 'org-faces)
 129
 130
 131   (defface org-columns-space;; font-lock-function-name-face
 132     (org-compatible-face
 133         'outline-1
 134       '((((class color) (min-colors 88) (background light)) (:background "grey90"))
 135         (((class color) (min-colors 88) (background dark))  (:background "grey30"))
 136         (((class color) (min-colors 16) (background light)) (:background "grey90"))
 137         (((class color) (min-colors 16) (background dark)) (:background "grey30"))
 138         (((class color) (min-colors 8)) (:bold t :underline t))))
 139     "Face used for columns space headlines."
 140     :group 'org-faces)
 141
 142   (defface org-columns-space1;; font-lock-function-name-face
 143     (org-compatible-face
 144         'outline-1
 145       '((((class color) (min-colors 88) (background light)) (:background "grey90"))
 146         (((class color) (min-colors 88) (background dark))  (:background "grey30"))
 147         (((class color) (min-colors 16) (background light)) (:background "grey90"))
 148         (((class color) (min-colors 16) (background dark)) (:background "grey30"))
 149         (((class color) (min-colors 8)) (:bold t :underline t))))
 150     "Face used for columns space headlines."
 151     :group 'org-faces)
 152   )
 153
 154 (when (featurep 'xemacs)
 155   (defconst org-columns-level-faces
 156     '(org-columns-level-1
 157       org-columns-level-2 org-columns-level-3
 158       org-columns-level-4 org-columns-level-5 org-columns-level-6
 159       org-columns-level-7 org-columns-level-8
 160       ))
 161
 162   (defun org-get-columns-level-face (n)
 163     "Get the right face for match N in font-lock matching of headlines."
 164     (setq org-l (- (match-end 2) (match-beginning 1) 1))
 165     (if org-odd-levels-only (setq org-l (1+ (/ org-l 2))))
 166     (setq org-f (nth (% (1- org-l) org-n-level-faces) org-columns-level-faces))
 167     (cond
 168      ((eq n 1) (if org-hide-leading-stars 'org-hide org-f))
 169      ((eq n 2) org-f)
 170      (t (if org-level-color-stars-only nil org-f))))
 171   )
 172
 173
 174 ;;; Column View
 175
 176 (defvar org-columns-overlays nil
 177   "Holds the list of current column overlays.")
 178
 179 (defvar org-columns-current-fmt nil
 180   "Local variable, holds the currently active column format.")
 181 (make-variable-buffer-local 'org-columns-current-fmt)
 182 (defvar org-columns-current-fmt-compiled nil
 183   "Local variable, holds the currently active column format.
 184 This is the compiled version of the format.")
 185 (make-variable-buffer-local 'org-columns-current-fmt-compiled)
 186 (defvar org-columns-current-widths nil
 187   "Loval variable, holds the currently widths of fields.")
 188 (make-variable-buffer-local 'org-columns-current-widths)
 189 (defvar org-columns-current-maxwidths nil
 190   "Loval variable, holds the currently active maximum column widths.")
 191 (make-variable-buffer-local 'org-columns-current-maxwidths)
 192 (defvar org-columns-begin-marker (make-marker)
 193   "Points to the position where last a column creation command was called.")
 194 (defvar org-columns-top-level-marker (make-marker)
 195   "Points to the position where current columns region starts.")
 196
 197 (defvar org-columns-map (make-sparse-keymap)
 198   "The keymap valid in column display.")
 199
 200 (defun org-columns-content ()
 201   "Switch to contents view while in columns view."
 202   (interactive)
 203   (org-overview)
 204   (org-content))
 205
 206 (org-defkey org-columns-map "c" 'org-columns-content)
 207 (org-defkey org-columns-map "o" 'org-overview)
 208 (org-defkey org-columns-map "e" 'org-columns-edit-value)
 209 (org-defkey org-columns-map "\C-c\C-t" 'org-columns-todo)
 210 (org-defkey org-columns-map "\C-c\C-c" 'org-columns-set-tags-or-toggle)
 211 (org-defkey org-columns-map "\C-c\C-o" 'org-columns-open-link)
 212 (org-defkey org-columns-map "v" 'org-columns-show-value)
 213 (org-defkey org-columns-map "q" 'org-columns-quit)
 214 (org-defkey org-columns-map "r" 'org-columns-redo)
 215 (org-defkey org-columns-map "g" 'org-columns-redo)
 216 (org-defkey org-columns-map [left] 'org-columns-backward-char)
 217 (org-defkey org-columns-map "\M-b" 'org-columns-backward-char)
 218 (org-defkey org-columns-map "a" 'org-columns-edit-allowed)
 219 (org-defkey org-columns-map "s" 'org-columns-edit-attributes)
 220 (org-defkey org-columns-map "\M-f" 'org-columns-forward-char)
 221 (org-defkey org-columns-map [right] 'org-columns-forward-char)
 222 (org-defkey org-columns-map [(shift right)] 'org-columns-next-allowed-value)
 223 (org-defkey org-columns-map "n" 'org-columns-next-allowed-value)
 224 (org-defkey org-columns-map [(shift left)] 'org-columns-previous-allowed-value)
 225 (org-defkey org-columns-map "p" 'org-columns-previous-allowed-value)
 226 (org-defkey org-columns-map "<" 'org-columns-narrow)
 227 (org-defkey org-columns-map ">" 'org-columns-widen)
 228 (org-defkey org-columns-map [(meta right)] 'org-columns-move-right)
 229 (org-defkey org-columns-map [(meta left)] 'org-columns-move-left)
 230 (org-defkey org-columns-map [(shift meta right)] 'org-columns-new)
 231 (org-defkey org-columns-map [(shift meta left)] 'org-columns-delete)
 232 (dotimes (i 10)
 233   (org-defkey org-columns-map (number-to-string i)
 234               `(lambda () (interactive)
 235                  (org-columns-next-allowed-value nil ,i))))
 236
 237 (easy-menu-define org-columns-menu org-columns-map "Org Column Menu"
 238   '("Column"
 239     ["Edit property" org-columns-edit-value t]
 240     ["Next allowed value" org-columns-next-allowed-value t]
 241     ["Previous allowed value" org-columns-previous-allowed-value t]
 242     ["Show full value" org-columns-show-value t]
 243     ["Edit allowed values" org-columns-edit-allowed t]
 244     "--"
 245     ["Edit column attributes" org-columns-edit-attributes t]
 246     ["Increase column width" org-columns-widen t]
 247     ["Decrease column width" org-columns-narrow t]
 248     "--"
 249     ["Move column right" org-columns-move-right t]
 250     ["Move column left" org-columns-move-left t]
 251     ["Add column" org-columns-new t]
 252     ["Delete column" org-columns-delete t]
 253     "--"
 254     ["CONTENTS" org-columns-content t]
 255     ["OVERVIEW" org-overview t]
 256     ["Refresh columns display" org-columns-redo t]
 257     "--"
 258     ["Open link" org-columns-open-link t]
 259     "--"
 260     ["Quit" org-columns-quit t]))
 261
 262 (defun org-columns-current-column ()
 263   (if (featurep 'xemacs)
 264       (/ (current-column) 2)
 265     (current-column)))
 266
 267 (defun org-columns-forward-char ()
 268   (interactive)
 269   (forward-char)
 270   (if (featurep 'xemacs)
 271       (while (not (or (eolp)
 272                       (member (extent-at
 273                                (point) (current-buffer)
 274                                'org-columns-key) org-columns-overlays)))
 275         (forward-char))))
 276
 277 (defun org-columns-backward-char ()
 278   (interactive)
 279   (backward-char)
 280   (if (featurep 'xemacs)
 281       (while (not (or (bolp)
 282                       (member (extent-at (point) (current-buffer) 'org-columns-key) org-columns-overlays)))
 283         (backward-char))))
 284
 285 (defun org-columns-new-overlay (beg end &optional string face)
 286   "Create a new column overlay and add it to the list."
 287   (let ((ov (org-make-overlay beg end)))
 288     (if (featurep 'xemacs)
 289         (progn
 290           (org-overlay-put ov 'face (or face 'org-columns-space1))
 291           (org-overlay-put ov 'start-open t)
 292           (if string
 293               (org-overlay-display ov string (or face 'org-columns-space1))))
 294       (org-overlay-put ov 'face (or face 'secondary-selection))
 295       (org-overlay-display ov string face))
 296     (push ov org-columns-overlays)
 297     ov))
 298
 299 (defun org-columns-display-here (&optional props)
 300   "Overlay the current line with column display."
 301   (interactive)
 302   (let* ((fmt org-columns-current-fmt-compiled)
 303          (beg (point-at-bol))
 304          (level-face (save-excursion
 305                        (beginning-of-line 1)
 306                        (and (looking-at "\\(\\**\\)\\(\\* \\)")
 307                             (org-get-level-face 2))))
 308          (item (save-match-data
 309                  (org-no-properties
 310                   (org-remove-tabs
 311                    (buffer-substring-no-properties
 312                     (point-at-bol) (point-at-eol))))))
 313          (color (if (featurep 'xemacs)
 314                     (save-excursion
 315                       (beginning-of-line 1)
 316                       (and (looking-at "\\(\\**\\)\\(\\* \\)")
 317                            (org-get-columns-level-face 2)))
 318                   (list :foreground
 319                         (face-attribute
 320                          (or level-face
 321                              (and (eq major-mode 'org-agenda-mode)
 322                                   (get-text-property (point-at-bol) 'face))
 323                              'default) :foreground))))
 324          (face (if (featurep 'xemacs) color (list color 'org-column)))
 325          (pl (or (get-text-property (point-at-bol) 'prefix-length) 0))
 326          (cphr (get-text-property (point-at-bol) 'org-complex-heading-regexp))
 327          pom property ass width f string ov column val modval s2 title calc)
 328     ;; Check if the entry is in another buffer.
 329     (unless props
 330       (if (eq major-mode 'org-agenda-mode)
 331           (setq pom (or (org-get-at-bol 'org-hd-marker)
 332                         (org-get-at-bol 'org-marker))
 333                 props (if pom (org-entry-properties pom) nil))
 334         (setq props (org-entry-properties nil))))
 335     ;; Walk the format
 336     (while (setq column (pop fmt))
 337       (setq property (car column)
 338             title (nth 1 column)
 339             ass (if (equal property "ITEM")
 340                     (cons "ITEM" item)
 341                   (assoc property props))
 342             width (or (cdr (assoc property org-columns-current-maxwidths))
 343                       (nth 2 column)
 344                       (length property))
 345             f (format (if (featurep 'xemacs) "%%-%d.%ds |" "%%-%d.%ds | ")
 346                       width width)
 347             val (or (cdr ass) "")
 348             calc (nth 7 column)
 349             modval (cond ((and org-columns-modify-value-for-display-function
 350                                (functionp
 351                                 org-columns-modify-value-for-display-function))
 352                           (funcall org-columns-modify-value-for-display-function
 353                                    title val))
 354                          ((equal property "ITEM")
 355                           (if (org-mode-p)
 356                               (org-columns-cleanup-item
 357                                val org-columns-current-fmt-compiled)
 358                             (org-agenda-columns-cleanup-item
 359                              val pl cphr org-columns-current-fmt-compiled)))
 360                          ((and calc (functionp calc)
 361                                (not (string= val ""))
 362                                (not (get-text-property 0 'org-computed val)))
 363                           (org-columns-number-to-string
 364                            (funcall calc (org-columns-string-to-number
 365                                           val (nth 4 column)))
 366                            (nth 4 column)))))
 367       (setq s2 (org-columns-add-ellipses (or modval val) width))
 368       (setq string (format f s2))
 369       ;; Create the overlay
 370       (org-unmodified
 371        (setq ov (org-columns-new-overlay
 372                  beg (setq beg (1+ beg)) string face))
 373        (org-overlay-put ov 'keymap org-columns-map)
 374        (org-overlay-put ov 'org-columns-key property)
 375        (org-overlay-put ov 'org-columns-value (cdr ass))
 376        (org-overlay-put ov 'org-columns-value-modified modval)
 377        (org-overlay-put ov 'org-columns-pom pom)
 378        (org-overlay-put ov 'org-columns-format f)
 379        (when (featurep 'xemacs)
 380          (if (or (not (char-after beg))
 381                  (equal (char-after beg) ?\n))
 382              (let ((inhibit-read-only t))
 383                (save-excursion
 384                  (goto-char beg)
 385                  (org-unmodified (insert " "))
 386                  ;; FIXME: add props and remove later?
 387                  )))
 388          (goto-char beg)
 389          (org-columns-new-overlay
 390           beg (1+ beg) nil 'org-columns-space)
 391          (setq beg (1+ beg))))
 392
 393       (if (or (not (char-after beg))
 394               (equal (char-after beg) ?\n))
 395           (let ((inhibit-read-only t))
 396             (save-excursion
 397               (goto-char beg)
 398               ;; FIXME: add props and remove later?
 399               (org-unmodified (insert " "))))))
 400     ;; Make the rest of the line disappear.
 401     (org-unmodified
 402      (setq ov (org-columns-new-overlay beg (point-at-eol)))
 403      (org-overlay-put ov 'invisible t)
 404      (org-overlay-put ov 'keymap org-columns-map)
 405      (org-overlay-put ov 'intangible t)
 406      (push ov org-columns-overlays)
 407      (setq ov (org-make-overlay (1- (point-at-eol)) (1+ (point-at-eol))))
 408      (org-overlay-put ov 'keymap org-columns-map)
 409      (push ov org-columns-overlays)
 410      (let ((inhibit-read-only t))
 411        (put-text-property (max (point-min) (1- (point-at-bol)))
 412                           (min (point-max) (1+ (point-at-eol)))
 413                           'read-only "Type `e' to edit property")))))
 414
 415 (defun org-columns-add-ellipses (string width)
 416   "Truncate STRING with WIDTH characters, with ellipses."
 417   (cond
 418    ((<= (length string) width) string)
 419    ((<= width (length org-columns-ellipses))
 420     (substring org-columns-ellipses 0 width))
 421    (t (concat (substring string 0 (- width (length org-columns-ellipses)))
 422               org-columns-ellipses))))
 423
 424 (defvar org-columns-full-header-line-format nil
 425   "The full header line format, will be shifted by horizontal scrolling." )
 426 (defvar org-previous-header-line-format nil
 427   "The header line format before column view was turned on.")
 428 (defvar org-columns-inhibit-recalculation nil
 429   "Inhibit recomputing of columns on column view startup.")
 430
 431
 432 (defvar header-line-format)
 433 (defvar org-columns-previous-hscroll 0)
 434
 435 (defun org-columns-display-here-title ()
 436   "Overlay the newline before the current line with the table title."
 437   (interactive)
 438   (let ((fmt org-columns-current-fmt-compiled)
 439         string (title "")
 440         property width f column str widths)
 441     (while (setq column (pop fmt))
 442       (setq property (car column)
 443             str (or (nth 1 column) property)
 444             width (or (cdr (assoc property org-columns-current-maxwidths))
 445                       (nth 2 column)
 446                       (length str))
 447             widths (push width widths)
 448             f (format "%%-%d.%ds | " width width)
 449             string (format f str)
 450             title (concat title string)))
 451     (if (featurep 'xemacs)
 452         (let ((ext (make-extent nil nil)))
 453           (set-extent-endpoints ext 0 (length title) title)
 454           (set-extent-face ext (list 'bold 'underline 'org-columns-space1))
 455           (org-set-local 'org-previous-header-line-format
 456                          (specifier-specs top-gutter))
 457           (org-set-local 'org-columns-current-widths (nreverse widths))
 458           (set-specifier top-gutter (make-gutter-specifier
 459                                      (cons (current-buffer) title))))
 460       (setq title (concat
 461                    (org-add-props " " nil 'display '(space :align-to 0))
 462                    (org-add-props title nil 'face '(:weight bold :underline t))))
 463       (org-set-local 'org-previous-header-line-format header-line-format)
 464       (org-set-local 'org-columns-current-widths (nreverse widths))
 465       (setq org-columns-full-header-line-format title)
 466       (setq org-columns-previous-hscroll -1)
 467       (org-add-hook 'post-command-hook 'org-columns-hscoll-title nil 'local))))
 468
 469 (defun org-columns-hscoll-title ()
 470   "Set the header-line-format so that it scrolls along with the table."
 471   (sit-for .0001) ; need to force a redisplay to update window-hscroll
 472   (when (not (= (window-hscroll) org-columns-previous-hscroll))
 473     (setq header-line-format
 474           (concat (substring org-columns-full-header-line-format 0 1)
 475                   (substring org-columns-full-header-line-format
 476                              (1+ (window-hscroll))))
 477           org-columns-previous-hscroll (window-hscroll))
 478     (force-mode-line-update)))
 479
 480 (defvar org-colview-initial-truncate-line-value nil
 481   "Remember the value of `truncate-lines' across colview.")
 482
 483 (defun org-columns-remove-overlays ()
 484   "Remove all currently active column overlays."
 485   (interactive)
 486   (when (marker-buffer org-columns-begin-marker)
 487     (with-current-buffer (marker-buffer org-columns-begin-marker)
 488       (when (local-variable-p 'org-previous-header-line-format (current-buffer))
 489         (if (featurep 'xemacs)
 490             (set-specifier top-gutter
 491                            (make-gutter-specifier
 492                             (cons (current-buffer)
 493                                   (cdar org-previous-header-line-format))))
 494           (setq header-line-format org-previous-header-line-format)
 495           (remove-hook 'post-command-hook 'org-columns-hscoll-title 'local))
 496         (kill-local-variable 'org-previous-header-line-format))
 497       (move-marker org-columns-begin-marker nil)
 498       (move-marker org-columns-top-level-marker nil)
 499       (org-unmodified
 500        (mapc 'org-delete-overlay org-columns-overlays)
 501        (setq org-columns-overlays nil)
 502        (let ((inhibit-read-only t))
 503          (remove-text-properties (point-min) (point-max) '(read-only t))))
 504       (when (local-variable-p 'org-colview-initial-truncate-line-value
 505                               (current-buffer))
 506         (setq truncate-lines org-colview-initial-truncate-line-value)))))
 507
 508
 509 (defun org-columns-cleanup-item (item fmt)
 510   "Remove from ITEM what is a column in the format FMT."
 511   (if (not org-complex-heading-regexp)
 512       item
 513     (when (string-match org-complex-heading-regexp item)
 514       (setq item
 515             (concat
 516              (org-add-props (match-string 1 item) nil
 517                'org-whitespace (* 2 (1- (org-reduced-level (- (match-end 1) (match-beginning 1))))))
 518              (and (match-end 2) (not (assoc "TODO" fmt)) (concat " " (match-string 2 item)))
 519              (and (match-end 3) (not (assoc "PRIORITY" fmt)) (concat " " (match-string 3 item)))
 520              " " (save-match-data (org-columns-compact-links (match-string 4 item)))
 521              (and (match-end 5) (not (assoc "TAGS" fmt)) (concat " " (match-string 5 item)))))
 522       (add-text-properties
 523        0 (1+ (match-end 1))
 524        (list 'org-whitespace (* 2 (1- (org-reduced-level (- (match-end 1) (match-beginning 1))))))
 525        item)
 526       item)))
 527
 528 (defun org-columns-compact-links (s)
 529   "Replace [[link][desc]] with [desc] or [link]."
 530   (while (string-match org-bracket-link-regexp s)
 531     (setq s (replace-match
 532              (concat "[" (match-string (if (match-end 3) 3 1) s) "]")
 533              t t s)))
 534   s)
 535
 536 (defvar org-agenda-columns-remove-prefix-from-item)
 537
 538 (defun org-agenda-columns-cleanup-item (item pl cphr fmt)
 539   "Cleanup the time property for agenda column view.
 540 See also the variable `org-agenda-columns-remove-prefix-from-item'."
 541   (let* ((org-complex-heading-regexp cphr)
 542          (prefix (substring item 0 pl))
 543          (rest (substring item pl))
 544          (fake (concat "* " rest))
 545          (cleaned (org-trim (substring (org-columns-cleanup-item fake fmt) 1))))
 546     (if org-agenda-columns-remove-prefix-from-item
 547         cleaned
 548       (concat prefix cleaned))))
 549
 550 (defun org-columns-show-value ()
 551   "Show the full value of the property."
 552   (interactive)
 553   (let ((value (get-char-property (point) 'org-columns-value)))
 554     (message "Value is: %s" (or value ""))))
 555
 556 (defvar org-agenda-columns-active) ;; defined in org-agenda.el
 557
 558 (defun org-columns-quit ()
 559   "Remove the column overlays and in this way exit column editing."
 560   (interactive)
 561   (org-unmodified
 562    (org-columns-remove-overlays)
 563    (let ((inhibit-read-only t))
 564      (remove-text-properties (point-min) (point-max) '(read-only t))))
 565   (when (eq major-mode 'org-agenda-mode)
 566     (setq org-agenda-columns-active nil)
 567     (message
 568      "Modification not yet reflected in Agenda buffer, use `r' to refresh")))
 569
 570 (defun org-columns-check-computed ()
 571   "Check if this column value is computed.
 572 If yes, throw an error indicating that changing it does not make sense."
 573   (let ((val (get-char-property (point) 'org-columns-value)))
 574     (when (and (stringp val)
 575                (get-char-property 0 'org-computed val))
 576       (error "This value is computed from the entry's children"))))
 577
 578 (defun org-columns-todo (&optional arg)
 579   "Change the TODO state during column view."
 580   (interactive "P")
 581   (org-columns-edit-value "TODO"))
 582
 583 (defun org-columns-set-tags-or-toggle (&optional arg)
 584   "Toggle checkbox at point, or set tags for current headline."
 585   (interactive "P")
 586   (if (string-match "\\`\\[[ xX-]\\]\\'"
 587                     (get-char-property (point) 'org-columns-value))
 588       (org-columns-next-allowed-value)
 589     (org-columns-edit-value "TAGS")))
 590
 591 (defun org-columns-edit-value (&optional key)
 592   "Edit the value of the property at point in column view.
 593 Where possible, use the standard interface for changing this line."
 594   (interactive)
 595   (org-columns-check-computed)
 596   (let* ((col (current-column))
 597          (key (or key (get-char-property (point) 'org-columns-key)))
 598          (value (get-char-property (point) 'org-columns-value))
 599          (bol (point-at-bol)) (eol (point-at-eol))
 600          (pom (or (get-text-property bol 'org-hd-marker)
 601                   (point))) ; keep despite of compiler warning
 602          (line-overlays
 603           (delq nil (mapcar (lambda (x)
 604                               (and (eq (org-overlay-buffer x) (current-buffer))
 605                                    (>= (org-overlay-start x) bol)
 606                                    (<= (org-overlay-start x) eol)
 607                                    x))
 608                             org-columns-overlays)))
 609          (org-columns-time (time-to-number-of-days (current-time)))
 610          nval eval allowed)
 611     (cond
 612      ((equal key "CLOCKSUM")
 613       (error "This special column cannot be edited"))
 614      ((equal key "ITEM")
 615       (setq eval '(org-with-point-at pom (org-edit-headline))))
 616      ((equal key "TODO")
 617       (setq eval '(org-with-point-at
 618                    pom
 619                    (call-interactively 'org-todo))))
 620      ((equal key "PRIORITY")
 621       (setq eval '(org-with-point-at pom
 622                                      (call-interactively 'org-priority))))
 623      ((equal key "TAGS")
 624       (setq eval '(org-with-point-at
 625                    pom
 626                    (let ((org-fast-tag-selection-single-key
 627                           (if (eq org-fast-tag-selection-single-key 'expert)
 628                               t org-fast-tag-selection-single-key)))
 629                      (call-interactively 'org-set-tags)))))
 630      ((equal key "DEADLINE")
 631       (setq eval '(org-with-point-at
 632                    pom
 633                    (call-interactively 'org-deadline))))
 634      ((equal key "SCHEDULED")
 635       (setq eval '(org-with-point-at
 636                    pom
 637                    (call-interactively 'org-schedule))))
 638      (t
 639       (setq allowed (org-property-get-allowed-values pom key 'table))
 640       (if allowed
 641           (setq nval (org-icompleting-read "Value: " allowed nil t))
 642         (setq nval (read-string "Edit: " value)))
 643       (setq nval (org-trim nval))
 644       (when (not (equal nval value))
 645         (setq eval '(org-entry-put pom key nval)))))
 646     (when eval
 647
 648       (cond
 649        ((equal major-mode 'org-agenda-mode)
 650         (org-columns-eval eval)
 651         ;; The following let preserves the current format, and makes sure
 652         ;; that in only a single file things need to be upated.
 653         (let* ((org-agenda-overriding-columns-format org-columns-current-fmt)
 654                (buffer (marker-buffer pom))
 655                (org-agenda-contributing-files
 656                 (list (with-current-buffer buffer
 657                         (buffer-file-name (buffer-base-buffer))))))
 658           (org-agenda-columns)))
 659        (t
 660         (let ((inhibit-read-only t))
 661           (org-unmodified
 662            (remove-text-properties
 663             (max (point-min) (1- bol)) eol '(read-only t)))
 664           (unwind-protect
 665               (progn
 666                 (setq org-columns-overlays
 667                       (org-delete-all line-overlays org-columns-overlays))
 668                 (mapc 'org-delete-overlay line-overlays)
 669                 (org-columns-eval eval))
 670             (org-columns-display-here)))
 671         (org-move-to-column col)
 672         (if (and (org-mode-p)
 673                  (nth 3 (assoc key org-columns-current-fmt-compiled)))
 674             (org-columns-update key)))))))
 675
 676 (defun org-edit-headline () ; FIXME: this is not columns specific.  Make interactive?????  Use from agenda????
 677   "Edit the current headline, the part without TODO keyword, TAGS."
 678   (org-back-to-heading)
 679   (when (looking-at org-todo-line-regexp)
 680     (let ((pos (point))
 681           (pre (buffer-substring (match-beginning 0) (match-beginning 3)))
 682           (txt (match-string 3))
 683           (post "")
 684           txt2)
 685       (if (string-match (org-re "[ \t]+:[[:alnum:]:_@]+:[ \t]*$") txt)
 686           (setq post (match-string 0 txt)
 687                 txt (substring txt 0 (match-beginning 0))))
 688       (setq txt2 (read-string "Edit: " txt))
 689       (when (not (equal txt txt2))
 690         (goto-char pos)
 691         (insert pre txt2 post)
 692         (delete-region (point) (point-at-eol))
 693         (org-set-tags nil t)))))
 694
 695 (defun org-columns-edit-allowed ()
 696   "Edit the list of allowed values for the current property."
 697   (interactive)
 698   (let* ((pom (or (org-get-at-bol 'org-marker)
 699                   (org-get-at-bol 'org-hd-marker)
 700                   (point)))
 701          (key (get-char-property (point) 'org-columns-key))
 702          (key1 (concat key "_ALL"))
 703          (allowed (org-entry-get pom key1 t))
 704          nval)
 705     ;; FIXME: Cover editing TODO, TAGS etc in-buffer settings.????
 706     ;; FIXME: Write back to #+PROPERTY setting if that is needed.
 707     (setq nval (read-string "Allowed: " allowed))
 708     (org-entry-put
 709      (cond ((marker-position org-entry-property-inherited-from)
 710             org-entry-property-inherited-from)
 711            ((marker-position org-columns-top-level-marker)
 712             org-columns-top-level-marker)
 713            (t pom))
 714      key1 nval)))
 715
 716 (defun org-columns-eval (form)
 717   (let (hidep)
 718     (save-excursion
 719       (beginning-of-line 1)
 720       ;; `next-line' is needed here, because it skips invisible line.
 721       (condition-case nil (org-no-warnings (next-line 1)) (error nil))
 722       (setq hidep (org-on-heading-p 1)))
 723     (eval form)
 724     (and hidep (hide-entry))))
 725
 726 (defun org-columns-previous-allowed-value ()
 727   "Switch to the previous allowed value for this column."
 728   (interactive)
 729   (org-columns-next-allowed-value t))
 730
 731 (defun org-columns-next-allowed-value (&optional previous nth)
 732   "Switch to the next allowed value for this column.
 733 When PREVIOUS is set, go to the previous value.  When NTH is
 734 an integer, select that value."
 735   (interactive)
 736   (org-columns-check-computed)
 737   (let* ((col (current-column))
 738          (key (get-char-property (point) 'org-columns-key))
 739          (value (get-char-property (point) 'org-columns-value))
 740          (bol (point-at-bol)) (eol (point-at-eol))
 741          (pom (or (get-text-property bol 'org-hd-marker)
 742                   (point))) ; keep despite of compiler waring
 743          (line-overlays
 744           (delq nil (mapcar (lambda (x)
 745                               (and (eq (org-overlay-buffer x) (current-buffer))
 746                                    (>= (org-overlay-start x) bol)
 747                                    (<= (org-overlay-start x) eol)
 748                                    x))
 749                             org-columns-overlays)))
 750          (allowed (or (org-property-get-allowed-values pom key)
 751                       (and (memq
 752                             (nth 4 (assoc key org-columns-current-fmt-compiled))
 753                             '(checkbox checkbox-n-of-m checkbox-percent))
 754                            '("[ ]" "[X]"))
 755                       (org-colview-construct-allowed-dates value)))
 756          nval)
 757     (when (integerp nth)
 758       (setq nth (1- nth))
 759       (if (= nth -1) (setq nth 9)))
 760     (when (equal key "ITEM")
 761       (error "Cannot edit item headline from here"))
 762     (unless (or allowed (member key '("SCHEDULED" "DEADLINE")))
 763       (error "Allowed values for this property have not been defined"))
 764     (if (member key '("SCHEDULED" "DEADLINE"))
 765         (setq nval (if previous 'earlier 'later))
 766       (if previous (setq allowed (reverse allowed)))
 767       (cond
 768        (nth
 769         (setq nval (nth nth allowed))
 770         (if (not nval)
 771             (error "There are only %d allowed values for property `%s'"
 772                    (length allowed) key)))
 773        ((member value allowed)
 774         (setq nval (or (car (cdr (member value allowed)))
 775                        (car allowed)))
 776         (if (equal nval value)
 777             (error "Only one allowed value for this property")))
 778        (t (setq nval (car allowed)))))
 779     (cond
 780      ((equal major-mode 'org-agenda-mode)
 781       (org-columns-eval '(org-entry-put pom key nval))
 782       ;; The following let preserves the current format, and makes sure
 783       ;; that in only a single file things need to be upated.
 784       (let* ((org-agenda-overriding-columns-format org-columns-current-fmt)
 785              (buffer (marker-buffer pom))
 786              (org-agenda-contributing-files
 787               (list (with-current-buffer buffer
 788                       (buffer-file-name (buffer-base-buffer))))))
 789         (org-agenda-columns)))
 790      (t
 791       (let ((inhibit-read-only t))
 792         (remove-text-properties (1- bol) eol '(read-only t))
 793         (unwind-protect
 794             (progn
 795               (setq org-columns-overlays
 796                     (org-delete-all line-overlays org-columns-overlays))
 797               (mapc 'org-delete-overlay line-overlays)
 798               (org-columns-eval '(org-entry-put pom key nval)))
 799           (org-columns-display-here)))
 800       (org-move-to-column col)
 801       (and (nth 3 (assoc key org-columns-current-fmt-compiled))
 802            (org-columns-update key))))))
 803
 804 (defun org-colview-construct-allowed-dates (s)
 805   "Construct a list of three dates around the date in S.
 806 This respects the format of the time stamp in S, active or non-active,
 807 and also including time or not.  S must be just a time stamp, no text
 808 around it."
 809   (when (and s (string-match (concat "^" org-ts-regexp3 "$") s))
 810     (let* ((time (org-parse-time-string s 'nodefaults))
 811            (active (equal (string-to-char s) ?<))
 812            (fmt (funcall (if (nth 1 time) 'cdr 'car) org-time-stamp-formats))
 813            time-before time-after)
 814       (unless active (setq fmt (concat "[" (substring fmt 1 -1) "]")))
 815       (setf (car time) (or (car time) 0))
 816       (setf (nth 1 time) (or (nth 1 time) 0))
 817       (setf (nth 2 time) (or (nth 2 time) 0))
 818       (setq time-before (copy-sequence time))
 819       (setq time-after (copy-sequence time))
 820       (setf (nth 3 time-before) (1- (nth 3 time)))
 821       (setf (nth 3 time-after) (1+ (nth 3 time)))
 822       (mapcar (lambda (x) (format-time-string fmt (apply 'encode-time x)))
 823               (list time-before time time-after)))))
 824
 825 (defun org-verify-version (task)
 826   (cond
 827    ((eq task 'columns)
 828     (if (or (and (featurep 'xemacs) (not (featurep 'org-colview-xemacs)))
 829             (and (not (featurep 'xemacs)) (< emacs-major-version 22)))
 830         (error "This version of Emacs cannot run Column View")))))
 831
 832 (defun org-columns-open-link (&optional arg)
 833   (interactive "P")
 834   (let ((value (get-char-property (point) 'org-columns-value)))
 835     (org-open-link-from-string value arg)))
 836
 837 (defun org-columns-get-format-and-top-level ()
 838   (let (fmt)
 839     (when (condition-case nil (org-back-to-heading) (error nil))
 840       (setq fmt (org-entry-get nil "COLUMNS" t)))
 841     (setq fmt (or fmt org-columns-default-format))
 842     (org-set-local 'org-columns-current-fmt fmt)
 843     (org-columns-compile-format fmt)
 844     (if (marker-position org-entry-property-inherited-from)
 845         (move-marker org-columns-top-level-marker
 846                      org-entry-property-inherited-from)
 847       (move-marker org-columns-top-level-marker (point)))
 848     fmt))
 849
 850 (defun org-columns ()
 851   "Turn on column view on an org-mode file."
 852   (interactive)
 853   (org-verify-version 'columns)
 854   (when (featurep 'xemacs)
 855     (set-face-foreground 'org-columns-space
 856                          (face-background 'org-columns-space)))
 857   (org-columns-remove-overlays)
 858   (move-marker org-columns-begin-marker (point))
 859   (let ((org-columns-time (time-to-number-of-days (current-time)))
 860         beg end fmt cache maxwidths)
 861     (setq fmt (org-columns-get-format-and-top-level))
 862     (save-excursion
 863       (goto-char org-columns-top-level-marker)
 864       (setq beg (point))
 865       (unless org-columns-inhibit-recalculation
 866         (org-columns-compute-all))
 867       (setq end (or (condition-case nil (org-end-of-subtree t t) (error nil))
 868                     (point-max)))
 869       ;; Get and cache the properties
 870       (goto-char beg)
 871       (when (assoc "CLOCKSUM" org-columns-current-fmt-compiled)
 872         (save-excursion
 873           (save-restriction
 874             (narrow-to-region beg end)
 875             (org-clock-sum))))
 876       (while (re-search-forward (concat "^" outline-regexp) end t)
 877         (if (and org-columns-skip-archived-trees
 878                  (looking-at (concat ".*:" org-archive-tag ":")))
 879             (org-end-of-subtree t)
 880           (push (cons (org-current-line) (org-entry-properties)) cache)))
 881       (when cache
 882         (setq maxwidths (org-columns-get-autowidth-alist fmt cache))
 883         (org-set-local 'org-columns-current-maxwidths maxwidths)
 884         (org-columns-display-here-title)
 885         (unless (local-variable-p 'org-colview-initial-truncate-line-value
 886                                   (current-buffer))
 887           (org-set-local 'org-colview-initial-truncate-line-value
 888                          truncate-lines))
 889         (setq truncate-lines t)
 890         (mapc (lambda (x)
 891                 (org-goto-line (car x))
 892                 (org-columns-display-here (cdr x)))
 893               cache)))))
 894
 895 (eval-when-compile (defvar org-columns-time))
 896
 897 (defvar org-columns-compile-map
 898   '(("none" none +)
 899     (":" add_times +)
 900     ("+" add_numbers +)
 901     ("$" currency +)
 902     ("X" checkbox +)
 903     ("X/" checkbox-n-of-m +)
 904     ("X%" checkbox-percent +)
 905     ("max" max_numbers max)
 906     ("min" min_numbers min)
 907     ("mean" mean_numbers
 908      (lambda (&rest x) (/ (apply '+ x) (float (length x)))))
 909     (":max" max_times max)
 910     (":min" min_times min)
 911     (":mean" mean_times
 912      (lambda (&rest x) (/ (apply '+ x) (float (length x)))))
 913     ("@min" min_age min (lambda (x) (- org-columns-time x)))
 914     ("@max" max_age max (lambda (x) (- org-columns-time x)))
 915     ("@mean" mean_age
 916      (lambda (&rest x) (/ (apply '+ x) (float (length x))))
 917      (lambda (x) (- org-columns-time x))))
 918   "Operator <-> format,function,calc  map.
 919  Used to compile/uncompile columns format and completing read in
 920  interactive function org-columns-new.
 921
 922  operator    string used in #+COLUMNS definition describing the
 923              summary type
 924  format      symbol describing summary type selected interactively in
 925              org-columns-new and internally in
 926              org-columns-number-to-string and
 927              org-columns-string-to-number
 928  function    called with a list of values as argument to calculate
 929              the summary value
 930  calc        function called on every element before summarizing. This is
 931              optional and should only be specified if needed")
 932
 933
 934 (defun org-columns-new (&optional prop title width op fmt fun &rest rest)
 935   "Insert a new column, to the left of the current column."
 936   (interactive)
 937   (let ((n (org-columns-current-column))
 938         (editp (and prop (assoc prop org-columns-current-fmt-compiled)))
 939         cell)
 940     (setq prop (org-icompleting-read
 941                 "Property: " (mapcar 'list (org-buffer-property-keys t nil t))
 942                 nil nil prop))
 943     (setq title (read-string (concat "Column title [" prop "]: ") (or title prop)))
 944     (setq width (read-string "Column width: " (if width (number-to-string width))))
 945     (if (string-match "\\S-" width)
 946         (setq width (string-to-number width))
 947       (setq width nil))
 948     (setq fmt (org-icompleting-read "Summary [none]: "
 949                                        (mapcar (lambda (x) (list (symbol-name (cadr x)))) org-columns-compile-map)
 950                                        nil t))
 951     (setq fmt (intern fmt)
 952           fun (cdr (assoc fmt (mapcar 'cdr org-columns-compile-map))))
 953     (if (eq fmt 'none) (setq fmt nil))
 954     (if editp
 955         (progn
 956           (setcar editp prop)
 957           (setcdr editp (list title width nil fmt nil fun)))
 958       (setq cell (nthcdr (1- n) org-columns-current-fmt-compiled))
 959       (setcdr cell (cons (list prop title width nil fmt nil
 960                                (car fun) (cadr fun))
 961                          (cdr cell))))
 962     (org-columns-store-format)
 963     (org-columns-redo)))
 964
 965 (defun org-columns-delete ()
 966   "Delete the column at point from columns view."
 967   (interactive)
 968   (let* ((n (org-columns-current-column))
 969          (title (nth 1 (nth n org-columns-current-fmt-compiled))))
 970     (when (y-or-n-p
 971            (format "Are you sure you want to remove column \"%s\"? " title))
 972       (setq org-columns-current-fmt-compiled
 973             (delq (nth n org-columns-current-fmt-compiled)
 974                   org-columns-current-fmt-compiled))
 975       (org-columns-store-format)
 976       (org-columns-redo)
 977       (if (>= (org-columns-current-column)
 978               (length org-columns-current-fmt-compiled))
 979           (org-columns-backward-char)))))
 980
 981 (defun org-columns-edit-attributes ()
 982   "Edit the attributes of the current column."
 983   (interactive)
 984   (let* ((n (org-columns-current-column))
 985          (info (nth n org-columns-current-fmt-compiled)))
 986     (apply 'org-columns-new info)))
 987
 988 (defun org-columns-widen (arg)
 989   "Make the column wider by ARG characters."
 990   (interactive "p")
 991   (let* ((n (org-columns-current-column))
 992          (entry (nth n org-columns-current-fmt-compiled))
 993          (width (or (nth 2 entry)
 994                     (cdr (assoc (car entry) org-columns-current-maxwidths)))))
 995     (setq width (max 1 (+ width arg)))
 996     (setcar (nthcdr 2 entry) width)
 997     (org-columns-store-format)
 998     (org-columns-redo)))
 999
1000 (defun org-columns-narrow (arg)
1001   "Make the column narrower by ARG characters."
1002   (interactive "p")
1003   (org-columns-widen (- arg)))
1004
1005 (defun org-columns-move-right ()
1006   "Swap this column with the one to the right."
1007   (interactive)
1008   (let* ((n (org-columns-current-column))
1009          (cell (nthcdr n org-columns-current-fmt-compiled))
1010          e)
1011     (when (>= n (1- (length org-columns-current-fmt-compiled)))
1012       (error "Cannot shift this column further to the right"))
1013     (setq e (car cell))
1014     (setcar cell (car (cdr cell)))
1015     (setcdr cell (cons e (cdr (cdr cell))))
1016     (org-columns-store-format)
1017     (org-columns-redo)
1018     (org-columns-forward-char)))
1019
1020 (defun org-columns-move-left ()
1021   "Swap this column with the one to the left."
1022   (interactive)
1023   (let* ((n (org-columns-current-column)))
1024     (when (= n 0)
1025       (error "Cannot shift this column further to the left"))
1026     (org-columns-backward-char)
1027     (org-columns-move-right)
1028     (org-columns-backward-char)))
1029
1030 (defun org-columns-store-format ()
1031   "Store the text version of the current columns format in appropriate place.
1032 This is either in the COLUMNS property of the node starting the current column
1033 display, or in the #+COLUMNS line of the current buffer."
1034   (let (fmt (cnt 0))
1035     (setq fmt (org-columns-uncompile-format org-columns-current-fmt-compiled))
1036     (org-set-local 'org-columns-current-fmt fmt)
1037     (if (marker-position org-columns-top-level-marker)
1038         (save-excursion
1039           (goto-char org-columns-top-level-marker)
1040           (if (and (org-at-heading-p)
1041                    (org-entry-get nil "COLUMNS"))
1042               (org-entry-put nil "COLUMNS" fmt)
1043             (goto-char (point-min))
1044             ;; Overwrite all #+COLUMNS lines....
1045             (while (re-search-forward "^#\\+COLUMNS:.*" nil t)
1046               (setq cnt (1+ cnt))
1047               (replace-match (concat "#+COLUMNS: " fmt) t t))
1048             (unless (> cnt 0)
1049               (goto-char (point-min))
1050               (or (org-on-heading-p t) (outline-next-heading))
1051               (let ((inhibit-read-only t))
1052                 (insert-before-markers "#+COLUMNS: " fmt "\n")))
1053             (org-set-local 'org-columns-default-format fmt))))))
1054
1055 (defvar org-agenda-overriding-columns-format nil
1056   "When set, overrides any other format definition for the agenda.
1057 Don't set this, this is meant for dynamic scoping.")
1058
1059 (defun org-columns-get-autowidth-alist (s cache)
1060   "Derive the maximum column widths from the format and the cache."
1061   (let ((start 0) rtn)
1062     (while (string-match (org-re "%\\([[:alpha:]][[:alnum:]_-]*\\)") s start)
1063       (push (cons (match-string 1 s) 1) rtn)
1064       (setq start (match-end 0)))
1065     (mapc (lambda (x)
1066             (setcdr x (apply 'max
1067                              (mapcar
1068                               (lambda (y)
1069                                 (length (or (cdr (assoc (car x) (cdr y))) " ")))
1070                               cache))))
1071           rtn)
1072     rtn))
1073
1074 (defun org-columns-compute-all ()
1075   "Compute all columns that have operators defined."
1076   (org-unmodified
1077    (remove-text-properties (point-min) (point-max) '(org-summaries t)))
1078   (let ((columns org-columns-current-fmt-compiled)
1079         (org-columns-time (time-to-number-of-days (current-time)))
1080         col)
1081     (while (setq col (pop columns))
1082       (when (nth 3 col)
1083         (save-excursion
1084           (org-columns-compute (car col)))))))
1085
1086 (defun org-columns-update (property)
1087   "Recompute PROPERTY, and update the columns display for it."
1088   (org-columns-compute property)
1089   (let (fmt val pos face)
1090     (save-excursion
1091       (mapc (lambda (ov)
1092               (when (equal (org-overlay-get ov 'org-columns-key) property)
1093                 (setq pos (org-overlay-start ov))
1094                 (goto-char pos)
1095                 (when (setq val (cdr (assoc property
1096                                             (get-text-property
1097                                              (point-at-bol) 'org-summaries))))
1098                   (setq fmt (org-overlay-get ov 'org-columns-format))
1099                   (org-overlay-put ov 'org-columns-value val)
1100                   (if (featurep 'xemacs)
1101                       (progn
1102                         (setq face (glyph-face (extent-end-glyph ov)))
1103                         (org-overlay-display ov (format fmt val) face))
1104                     (org-overlay-display ov (format fmt val))))))
1105             org-columns-overlays))))
1106
1107 (defun org-columns-compute (property)
1108   "Sum the values of property PROPERTY hierarchically, for the entire buffer."
1109   (interactive)
1110   (let* ((re (concat "^" outline-regexp))
1111          (lmax 30) ; Does anyone use deeper levels???
1112          (lvals (make-vector lmax nil))
1113          (lflag (make-vector lmax nil))
1114          (level 0)
1115          (ass (assoc property org-columns-current-fmt-compiled))
1116          (format (nth 4 ass))
1117          (printf (nth 5 ass))
1118          (fun (nth 6 ass))
1119          (calc (or (nth 7 ass) 'identity))
1120          (beg org-columns-top-level-marker)
1121          last-level val valflag flag end sumpos sum-alist sum str str1 useval)
1122     (save-excursion
1123       ;; Find the region to compute
1124       (goto-char beg)
1125       (setq end (condition-case nil (org-end-of-subtree t) (error (point-max))))
1126       (goto-char end)
1127       ;; Walk the tree from the back and do the computations
1128       (while (re-search-backward re beg t)
1129         (setq sumpos (match-beginning 0)
1130               last-level level
1131               level (org-outline-level)
1132               val (org-entry-get nil property)
1133               valflag (and val (string-match "\\S-" val)))
1134         (cond
1135          ((< level last-level)
1136           ;; put the sum of lower levels here as a property
1137           (setq sum (when (aref lvals last-level)
1138                       (apply fun (aref lvals last-level)))
1139                 flag (aref lflag last-level) ; any valid entries from children?
1140                 str (org-columns-number-to-string sum format printf)
1141                 str1 (org-add-props (copy-sequence str) nil 'org-computed t 'face 'bold)
1142                 useval (if flag str1 (if valflag val ""))
1143                 sum-alist (get-text-property sumpos 'org-summaries))
1144           (if (assoc property sum-alist)
1145               (setcdr (assoc property sum-alist) useval)
1146             (push (cons property useval) sum-alist)
1147             (org-unmodified
1148              (add-text-properties sumpos (1+ sumpos)
1149                                   (list 'org-summaries sum-alist))))
1150           (when (and val (not (equal val (if flag str val))))
1151             (org-entry-put nil property (if flag str val)))
1152           ;; add current to current level accumulator
1153           (when (or flag valflag)
1154             (push (if flag
1155                       sum
1156                     (funcall calc (org-columns-string-to-number
1157                                    (if flag str val) format)))
1158                   (aref lvals level))
1159             (aset lflag level t))
1160           ;; clear accumulators for deeper levels
1161           (loop for l from (1+ level) to (1- lmax) do
1162                 (aset lvals l nil)
1163                 (aset lflag l nil)))
1164          ((>= level last-level)
1165           ;; add what we have here to the accumulator for this level
1166           (when valflag
1167             (push (funcall calc (org-columns-string-to-number val format))
1168                   (aref lvals level))
1169             (aset lflag level t)))
1170          (t (error "This should not happen")))))))
1171
1172 (defun org-columns-redo ()
1173   "Construct the column display again."
1174   (interactive)
1175   (message "Recomputing columns...")
1176   (save-excursion
1177     (if (marker-position org-columns-begin-marker)
1178         (goto-char org-columns-begin-marker))
1179     (org-columns-remove-overlays)
1180     (if (org-mode-p)
1181         (call-interactively 'org-columns)
1182       (org-agenda-redo)
1183       (call-interactively 'org-agenda-columns)))
1184   (when (featurep 'xemacs)
1185     (while (not (or (eolp)
1186                     (member (extent-at (point)) org-columns-overlays)))
1187       (forward-char)))
1188   (message "Recomputing columns...done"))
1189
1190 (defun org-columns-not-in-agenda ()
1191   (if (eq major-mode 'org-agenda-mode)
1192       (error "This command is only allowed in Org-mode buffers")))
1193
1194 (defun org-string-to-number (s)
1195   "Convert string to number, and interpret hh:mm:ss."
1196   (if (not (string-match ":" s))
1197       (string-to-number s)
1198     (let ((l (nreverse (org-split-string s ":"))) (sum 0.0))
1199       (while l
1200         (setq sum (+ (string-to-number (pop l)) (/ sum 60))))
1201       sum)))
1202
1203 (defun org-columns-number-to-string (n fmt &optional printf)
1204   "Convert a computed column number to a string value, according to FMT."
1205   (cond
1206    ((not (numberp n)) "")
1207    ((memq fmt '(add_times max_times min_times mean_times))
1208     (let* ((h (floor n)) (m (floor (+ 0.5 (* 60 (- n h))))))
1209       (format org-time-clocksum-format h m)))
1210    ((eq fmt 'checkbox)
1211     (cond ((= n (floor n)) "[X]")
1212           ((> n 1.) "[-]")
1213           (t "[ ]")))
1214    ((memq fmt '(checkbox-n-of-m checkbox-percent))
1215     (let* ((n1 (floor n)) (n2 (floor (+ .5 (* 1000000 (- n n1))))))
1216       (org-nofm-to-completion n1 (+ n2 n1) (eq fmt 'checkbox-percent))))
1217    (printf (format printf n))
1218    ((eq fmt 'currency)
1219     (format "%.2f" n))
1220    ((memq fmt '(min_age max_age mean_age))
1221     (org-format-time-period n))
1222    (t (number-to-string n))))
1223
1224 (defun org-nofm-to-completion (n m &optional percent)
1225   (if (not percent)
1226       (format "[%d/%d]" n m)
1227     (format "[%d%%]"(floor (+ 0.5 (* 100. (/ (* 1.0 n) m)))))))
1228
1229 (defun org-columns-string-to-number (s fmt)
1230   "Convert a column value to a number that can be used for column computing."
1231   (if s
1232       (cond
1233        ((memq fmt '(min_age max_age mean_age))
1234         (cond ((string= s "") org-columns-time)
1235               ((string-match
1236                 "\\([0-9]+\\)d \\([0-9]+\\)h \\([0-9]+\\)m \\([0-9]+\\)s"
1237                 s)
1238                (+ (* 60 (+ (* 60 (+ (* 24 (string-to-number (match-string 1 s)))
1239                                     (string-to-number (match-string 2 s))))
1240                            (string-to-number (match-string 3 s))))
1241                   (string-to-number (match-string 4 s))))
1242               (t (time-to-number-of-days (apply 'encode-time
1243                                                 (org-parse-time-string s t))))))
1244        ((string-match ":" s)
1245         (let ((l (nreverse (org-split-string s ":"))) (sum 0.0))
1246           (while l
1247             (setq sum (+ (string-to-number (pop l)) (/ sum 60))))
1248           sum))
1249        ((memq fmt '(checkbox checkbox-n-of-m checkbox-percent))
1250         (if (equal s "[X]") 1. 0.000001))
1251        (t (string-to-number s)))
1252     0))
1253
1254 (defun org-columns-uncompile-format (cfmt)
1255   "Turn the compiled columns format back into a string representation."
1256   (let ((rtn "") e s prop title op op-match width fmt printf fun calc)
1257     (while (setq e (pop cfmt))
1258       (setq prop (car e)
1259             title (nth 1 e)
1260             width (nth 2 e)
1261             op (nth 3 e)
1262             fmt (nth 4 e)
1263             printf (nth 5 e)
1264             fun (nth 6 e)
1265             calc (nth 7 e))
1266       (when (setq op-match (rassoc (list fmt fun calc) org-columns-compile-map))
1267         (setq op (car op-match)))
1268       (if (and op printf) (setq op (concat op ";" printf)))
1269       (if (equal title prop) (setq title nil))
1270       (setq s (concat "%" (if width (number-to-string width))
1271                       prop
1272                       (if title (concat "(" title ")"))
1273                       (if op (concat "{" op "}"))))
1274       (setq rtn (concat rtn " " s)))
1275     (org-trim rtn)))
1276
1277 (defun org-columns-compile-format (fmt)
1278   "Turn a column format string into an alist of specifications.
1279 The alist has one entry for each column in the format.  The elements of
1280 that list are:
1281 property     the property
1282 title        the title field for the columns
1283 width        the column width in characters, can be nil for automatic
1284 operator     the operator if any
1285 format       the output format for computed results, derived from operator
1286 printf       a printf format for computed values
1287 fun          the lisp function to compute summary values, derived from operator
1288 calc         function to get values from base elements
1289 "
1290   (let ((start 0) width prop title op op-match f printf fun calc)
1291     (setq org-columns-current-fmt-compiled nil)
1292     (while (string-match
1293             (org-re "%\\([0-9]+\\)?\\([[:alnum:]_-]+\\)\\(?:(\\([^)]+\\))\\)?\\(?:{\\([^}]+\\)}\\)?\\s-*")
1294             fmt start)
1295       (setq start (match-end 0)
1296             width (match-string 1 fmt)
1297             prop (match-string 2 fmt)
1298             title (or (match-string 3 fmt) prop)
1299             op (match-string 4 fmt)
1300             f nil
1301             printf nil
1302             fun '+
1303             calc nil)
1304       (if width (setq width (string-to-number width)))
1305       (when (and op (string-match ";" op))
1306         (setq printf (substring op (match-end 0))
1307               op (substring op 0 (match-beginning 0))))
1308       (when (setq op-match (assoc op org-columns-compile-map))
1309         (setq f (cadr op-match)
1310               fun (caddr op-match)
1311               calc (cadddr op-match)))
1312       (push (list prop title width op f printf fun calc)
1313             org-columns-current-fmt-compiled))
1314     (setq org-columns-current-fmt-compiled
1315           (nreverse org-columns-current-fmt-compiled))))
1316
1317
1318 ;;; Dynamic block for Column view
1319
1320 (defun org-columns-capture-view (&optional maxlevel skip-empty-rows)
1321   "Get the column view of the current buffer or subtree.
1322 The first optional argument MAXLEVEL sets the level limit.  A
1323 second optional argument SKIP-EMPTY-ROWS tells whether to skip
1324 empty rows, an empty row being one where all the column view
1325 specifiers except ITEM are empty.  This function returns a list
1326 containing the title row and all other rows.  Each row is a list
1327 of fields."
1328   (if (featurep 'xemacs)
1329       (save-excursion
1330         (let* ((title (mapcar 'cadr org-columns-current-fmt-compiled))
1331                (re-comment (concat "\\*+[ \t]+" org-comment-string "\\>"))
1332                (re-archive (concat ".*:" org-archive-tag ":"))
1333                (n (length title)) row tbl)
1334           (goto-char (point-min))
1335
1336           (while (re-search-forward "^\\(\\*+\\) " nil t)
1337             (catch 'next
1338               (when (and (or (null maxlevel)
1339                              (>= maxlevel
1340                                  (if org-odd-levels-only
1341                                      (/ (1+ (length (match-string 1))) 2)
1342                                    (length (match-string 1)))))
1343                          (get-char-property (match-beginning 0) 'org-columns-key))
1344                 (goto-char (match-beginning 0))
1345                 (when (save-excursion
1346                         (goto-char (point-at-bol))
1347                         (or (looking-at re-comment)
1348                             (looking-at re-archive)))
1349                   (org-end-of-subtree t)
1350                   (throw 'next t))
1351                 (setq row nil)
1352                 (loop for i from 0 to (1- n) do
1353                       (push
1354                        (org-quote-vert
1355                         (or (get-char-property (point)
1356                                                'org-columns-value-modified)
1357                             (get-char-property (point) 'org-columns-value)
1358                             ""))
1359                        row)
1360                       (org-columns-forward-char))
1361                 (setq row (nreverse row))
1362                 (unless (and skip-empty-rows
1363                              (eq 1 (length (delete "" (delete-dups (copy-sequence row))))))
1364                   (push row tbl)))))
1365           (append (list title 'hline) (nreverse tbl))))
1366     (save-excursion
1367       (let* ((title (mapcar 'cadr org-columns-current-fmt-compiled))
1368              (n (length title)) row tbl)
1369         (goto-char (point-min))
1370         (while (and (re-search-forward "^\\(\\*+\\) " nil t)
1371                     (or (null maxlevel)
1372                         (>= maxlevel
1373                             (if org-odd-levels-only
1374                                 (/ (1+ (length (match-string 1))) 2)
1375                               (length (match-string 1))))))
1376           (when (get-char-property (match-beginning 0) 'org-columns-key)
1377             (setq row nil)
1378             (loop for i from 0 to (1- n) do
1379                   (push (or (get-char-property (+ (match-beginning 0) i)
1380                                                'org-columns-value-modified)
1381                             (get-char-property (+ (match-beginning 0) i)
1382                                                'org-columns-value)
1383                             "")
1384                         row))
1385             (setq row (nreverse row))
1386             (unless (and skip-empty-rows
1387                          (eq 1 (length (delete "" (delete-dups row)))))
1388               (push row tbl))))
1389         (append (list title 'hline) (nreverse tbl))))))
1390
1391 (defun org-dblock-write:columnview (params)
1392   "Write the column view table.
1393 PARAMS is a property list of parameters:
1394
1395 :width    enforce same column widths with <N> specifiers.
1396 :id       the :ID: property of the entry where the columns view
1397           should be built.  When the symbol `local', call locally.
1398           When `global' call column view with the cursor at the beginning
1399           of the buffer (usually this means that the whole buffer switches
1400           to column view).  When \"file:path/to/file.org\", invoke column
1401           view at the start of that file.  Otherwise, the ID is located
1402           using `org-id-find'.
1403 :hlines   When t, insert a hline before each item.  When a number, insert
1404           a hline before each level <= that number.
1405 :vlines   When t, make each column a colgroup to enforce vertical lines.
1406 :maxlevel When set to a number, don't capture headlines below this level.
1407 :skip-empty-rows
1408           When t, skip rows where all specifiers other than ITEM are empty."
1409   (let ((pos (move-marker (make-marker) (point)))
1410         (hlines (plist-get params :hlines))
1411         (vlines (plist-get params :vlines))
1412         (maxlevel (plist-get params :maxlevel))
1413         (content-lines (org-split-string (plist-get params :content) "\n"))
1414         (skip-empty-rows (plist-get params :skip-empty-rows))
1415         tbl id idpos nfields tmp recalc line
1416         id-as-string view-file view-pos)
1417     (when (setq id (plist-get params :id))
1418       (setq id-as-string (cond ((numberp id) (number-to-string id))
1419                                ((symbolp id) (symbol-name id))
1420                                ((stringp id) id)
1421                                (t "")))
1422       (cond ((not id) nil)
1423             ((eq id 'global) (setq view-pos (point-min)))
1424             ((eq id 'local))
1425             ((string-match "^file:\\(.*\\)" id-as-string)
1426              (setq view-file (match-string 1 id-as-string)
1427                    view-pos 1)
1428              (unless (file-exists-p view-file)
1429                (error "No such file: \"%s\"" id-as-string)))
1430             ((setq idpos (org-find-entry-with-id id))
1431              (setq view-pos idpos))
1432             ((setq idpos (org-id-find id))
1433              (setq view-file (car idpos))
1434              (setq view-pos (cdr idpos)))
1435             (t (error "Cannot find entry with :ID: %s" id))))
1436     (with-current-buffer (if view-file
1437                              (get-file-buffer view-file)
1438                            (current-buffer))
1439       (save-excursion
1440         (save-restriction
1441           (widen)
1442           (goto-char (or view-pos (point)))
1443           (org-columns)
1444           (setq tbl (org-columns-capture-view maxlevel skip-empty-rows))
1445           (setq nfields (length (car tbl)))
1446           (org-columns-quit))))
1447     (goto-char pos)
1448     (move-marker pos nil)
1449     (when tbl
1450       (when (plist-get params :hlines)
1451         (setq tmp nil)
1452         (while tbl
1453           (if (eq (car tbl) 'hline)
1454               (push (pop tbl) tmp)
1455             (if (string-match "\\` *\\(\\*+\\)" (caar tbl))
1456                 (if (and (not (eq (car tmp) 'hline))
1457                          (or (eq hlines t)
1458                              (and (numberp hlines)
1459                                   (<= (- (match-end 1) (match-beginning 1))
1460                                       hlines))))
1461                     (push 'hline tmp)))
1462             (push (pop tbl) tmp)))
1463         (setq tbl (nreverse tmp)))
1464       (when vlines
1465         (setq tbl (mapcar (lambda (x)
1466                             (if (eq 'hline x) x (cons "" x)))
1467                           tbl))
1468         (setq tbl (append tbl (list (cons "/" (make-list nfields "<>"))))))
1469       (setq pos (point))
1470       (when content-lines
1471         (while (string-match "^#" (car content-lines))
1472           (insert (pop content-lines) "\n")))
1473       (insert (org-listtable-to-string tbl))
1474       (when (plist-get params :width)
1475         (insert "\n|" (mapconcat (lambda (x) (format "<%d>" (max 3 x)))
1476                                  org-columns-current-widths "|")))
1477       (while (setq line (pop content-lines))
1478         (when (string-match "^#" line)
1479           (insert "\n" line)
1480           (when (string-match "^[ \t]*#\\+TBLFM" line)
1481             (setq recalc t))))
1482       (if recalc
1483           (progn (goto-char pos) (org-table-recalculate 'all))
1484         (goto-char pos)
1485         (org-table-align)))))
1486
1487 (defun org-listtable-to-string (tbl)
1488   "Convert a listtable TBL to a string that contains the Org-mode table.
1489 The table still need to be aligned.  The resulting string has no leading
1490 and tailing newline characters."
1491   (mapconcat
1492    (lambda (x)
1493      (cond
1494       ((listp x)
1495        (concat "|" (mapconcat 'identity x "|") "|"))
1496       ((eq x 'hline) "|-|")
1497       (t (error "Garbage in listtable: %s" x))))
1498    tbl "\n"))
1499
1500 (defun org-insert-columns-dblock ()
1501   "Create a dynamic block capturing a column view table."
1502   (interactive)
1503   (when (featurep 'xemacs) (org-columns-quit))
1504   (let ((defaults '(:name "columnview" :hlines 1))
1505         (id (org-icompleting-read
1506              "Capture columns (local, global, entry with :ID: property) [local]: "
1507              (append '(("global") ("local"))
1508                      (mapcar 'list (org-property-values "ID"))))))
1509     (if (equal id "") (setq id 'local))
1510     (if (equal id "global") (setq id 'global))
1511     (setq defaults (append defaults (list :id id)))
1512     (org-create-dblock defaults)
1513     (org-update-dblock)))
1514
1515 ;;; Column view in the agenda
1516
1517 (defvar org-agenda-view-columns-initially nil
1518   "When set, switch to columns view immediately after creating the agenda.")
1519
1520 (defvar org-agenda-columns-show-summaries) ; defined in org-agenda.el
1521 (defvar org-agenda-columns-compute-summary-properties); defined in org-agenda.el
1522 (defvar org-agenda-columns-add-appointments-to-effort-sum); as well
1523
1524 (defun org-agenda-columns ()
1525   "Turn on or update column view in the agenda."
1526   (interactive)
1527   (org-verify-version 'columns)
1528   (org-columns-remove-overlays)
1529   (move-marker org-columns-begin-marker (point))
1530   (let ((org-columns-time (time-to-number-of-days (current-time)))
1531          cache maxwidths m p a d fmt)
1532     (cond
1533      ((and (boundp 'org-agenda-overriding-columns-format)
1534            org-agenda-overriding-columns-format)
1535       (setq fmt org-agenda-overriding-columns-format)
1536       (org-set-local 'org-agenda-overriding-columns-format fmt))
1537      ((setq m (org-get-at-bol 'org-hd-marker))
1538       (setq fmt (or (org-entry-get m "COLUMNS" t)
1539                     (with-current-buffer (marker-buffer m)
1540                       org-columns-default-format))))
1541      ((and (boundp 'org-columns-current-fmt)
1542            (local-variable-p 'org-columns-current-fmt (current-buffer))
1543            org-columns-current-fmt)
1544       (setq fmt org-columns-current-fmt))
1545      ((setq m (next-single-property-change (point-min) 'org-hd-marker))
1546       (setq m (get-text-property m 'org-hd-marker))
1547       (setq fmt (or (org-entry-get m "COLUMNS" t)
1548                     (with-current-buffer (marker-buffer m)
1549                       org-columns-default-format)))))
1550     (setq fmt (or fmt org-columns-default-format))
1551     (org-set-local 'org-columns-current-fmt fmt)
1552     (org-columns-compile-format fmt)
1553     (when org-agenda-columns-compute-summary-properties
1554       (org-agenda-colview-compute org-columns-current-fmt-compiled))
1555     (save-excursion
1556       ;; Get and cache the properties
1557       (goto-char (point-min))
1558       (while (not (eobp))
1559         (when (setq m (or (org-get-at-bol 'org-hd-marker)
1560                           (org-get-at-bol 'org-marker)))
1561           (setq p (org-entry-properties m))
1562
1563           (when (or (not (setq a (assoc org-effort-property p)))
1564                          (not (string-match "\\S-" (or (cdr a) ""))))
1565             ;; OK, the property is not defined.  Use appointment duration?
1566             (when (and org-agenda-columns-add-appointments-to-effort-sum
1567                        (setq d (get-text-property (point) 'duration)))
1568               (setq d (org-minutes-to-hh:mm-string d))
1569               (put-text-property 0 (length d) 'face 'org-warning d)
1570               (push (cons org-effort-property d) p)))
1571           (push (cons (org-current-line) p) cache))
1572         (beginning-of-line 2))
1573       (when cache
1574         (setq maxwidths (org-columns-get-autowidth-alist fmt cache))
1575         (org-set-local 'org-columns-current-maxwidths maxwidths)
1576         (org-columns-display-here-title)
1577         (mapc (lambda (x)
1578                 (org-goto-line (car x))
1579                 (org-columns-display-here (cdr x)))
1580               cache)
1581         (when org-agenda-columns-show-summaries
1582           (org-agenda-colview-summarize cache))))))
1583
1584 (defun org-agenda-colview-summarize (cache)
1585   "Summarize the summarizable columns in column view in the agenda.
1586 This will add overlays to the date lines, to show the summary for each day."
1587   (let* ((fmt (mapcar (lambda (x)
1588                         (if (equal (car x) "CLOCKSUM")
1589                             (list "CLOCKSUM" (nth 2 x) nil 'add_times nil '+ 'identity)
1590                           (cdr x)))
1591                       org-columns-current-fmt-compiled))
1592          line c c1 stype calc sumfunc props lsum entries prop v)
1593     (catch 'exit
1594       (when (delq nil (mapcar 'cadr fmt))
1595         ;; OK, at least one summation column, it makes sense to try this
1596         (goto-char (point-max))
1597         (while t
1598           (when (or (get-text-property (point) 'org-date-line)
1599                     (eq (get-text-property (point) 'face)
1600                         'org-agenda-structure))
1601             ;; OK, this is a date line that should be used
1602             (setq line (org-current-line))
1603             (setq entries nil c cache cache nil)
1604             (while (setq c1 (pop c))
1605               (if (> (car c1) line)
1606                   (push c1 entries)
1607                 (push c1 cache)))
1608             ;; now ENTRIES are the ones we want to use, CACHE is the rest
1609             ;; Compute the summaries for the properties we want,
1610             ;; set nil properties for the rest.
1611             (when (setq entries (mapcar 'cdr entries))
1612               (setq props
1613                     (mapcar
1614                      (lambda (f)
1615                        (setq prop (car f)
1616                              stype (nth 3 f)
1617                              sumfunc (nth 5 f)
1618                              calc (or (nth 6 f) 'identity))
1619                        (cond
1620                         ((equal prop "ITEM")
1621                          (cons prop (buffer-substring (point-at-bol)
1622                                                       (point-at-eol))))
1623                         ((not stype) (cons prop ""))
1624                         (t ;; do the summary
1625                          (setq lsum nil)
1626                          (dolist (x entries)
1627                            (setq v (cdr (assoc prop x)))
1628                            (if v
1629                                (push
1630                                 (funcall
1631                                  (if (not (get-text-property 0 'org-computed v))
1632                                      calc
1633                                    'identity)
1634                                  (org-columns-string-to-number
1635                                   v stype))
1636                                 lsum)))
1637                          (setq lsum (remove nil lsum))
1638                          (setq lsum
1639                                (cond ((> (length lsum) 1)
1640                                       (org-columns-number-to-string
1641                                        (apply sumfunc lsum) stype))
1642                                      ((eq (length lsum) 1)
1643                                       (org-columns-number-to-string
1644                                        (car lsum) stype))
1645                                      (t "")))
1646                          (put-text-property 0 (length lsum) 'face 'bold lsum)
1647                          (unless (eq calc 'identity)
1648                              (put-text-property 0 (length lsum) 'org-computed t lsum))
1649                          (cons prop lsum))))
1650                      fmt))
1651               (org-columns-display-here props)
1652               (org-set-local 'org-agenda-columns-active t)))
1653           (if (bobp) (throw 'exit t))
1654           (beginning-of-line 0))))))
1655
1656 (defun org-agenda-colview-compute (fmt)
1657   "Compute the relevant columns in the contributing source buffers."
1658   (let ((files org-agenda-contributing-files)
1659         (org-columns-begin-marker (make-marker))
1660         (org-columns-top-level-marker (make-marker))
1661         f fm a b)
1662     (while (setq f (pop files))
1663       (setq b (find-buffer-visiting f))
1664       (with-current-buffer (or (buffer-base-buffer b) b)
1665         (save-excursion
1666           (save-restriction
1667             (widen)
1668             (org-unmodified
1669              (remove-text-properties (point-min) (point-max)
1670                                      '(org-summaries t)))
1671             (goto-char (point-min))
1672             (org-columns-get-format-and-top-level)
1673             (while (setq fm (pop fmt))
1674               (if (equal (car fm) "CLOCKSUM")
1675                   (org-clock-sum)
1676                 (when (and (nth 4 fm)
1677                            (setq a (assoc (car fm)
1678                                           org-columns-current-fmt-compiled))
1679                            (equal (nth 4 a) (nth 4 fm)))
1680                   (org-columns-compute (car fm)))))))))))
1681
1682 (defun org-format-time-period (interval)
1683   "Convert time in fractional days to days/hours/minutes/seconds"
1684   (if (numberp interval)
1685     (let* ((days (floor interval))
1686            (frac-hours (* 24 (- interval days)))
1687            (hours (floor frac-hours))
1688            (minutes (floor (* 60 (- frac-hours hours))))
1689            (seconds (floor (* 60 (- (* 60 (- frac-hours hours)) minutes)))))
1690       (format "%dd %02dh %02dm %02ds" days hours minutes seconds))
1691     ""))
1692
1693
1694 (provide 'org-colview)
1695 (provide 'org-colview-xemacs)
1696
1697 ;;; org-colview-xemacs.el ends here