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2018-11-18 76bbd07de7add0f9d13c6914f158d19630fe2f62

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76bbd0	1	;;; org-colview.el --- Column View in Org -- lexical-binding: t; --
C	2
	3	;; Copyright (C) 2004-2018 Free Software Foundation, Inc.
	4
	5	;; Author: Carsten Dominik <carsten at orgmode dot org>
	6	;; Keywords: outlines, hypermedia, calendar, wp
	7	;; Homepage: https://orgmode.org
	8	;;
	9	;; This file is part of GNU Emacs.
	10	;;
	11	;; GNU Emacs is free software: you can redistribute it and/or modify
	12	;; it under the terms of the GNU General Public License as published by
	13	;; the Free Software Foundation, either version 3 of the License, or
	14	;; (at your option) any later version.
	15
	16	;; GNU Emacs is distributed in the hope that it will be useful,
	17	;; but WITHOUT ANY WARRANTY; without even the implied warranty of
	18	;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	19	;; GNU General Public License for more details.
	20
	21	;; You should have received a copy of the GNU General Public License
	22	;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
	23	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
	24	;;
	25	;;; Commentary:
	26
	27	;; This file contains the column view for Org.
	28
	29	;;; Code:
	30
	31	(require 'cl-lib)
	32	(require 'org)
	33
	34	(declare-function org-agenda-redo "org-agenda" (&optional all))
	35	(declare-function org-agenda-do-context-action "org-agenda" ())
	36	(declare-function org-clock-sum-today "org-clock" (&optional headline-filter))
	37	(declare-function org-element-extract-element "org-element" (element))
	38	(declare-function org-element-interpret-data "org-element" (data))
	39	(declare-function org-element-map "org-element" (data types fun &optional info first-match no-recursion with-affiliated))
	40	(declare-function org-element-parse-secondary-string "org-element" (string restriction &optional parent))
	41	(declare-function org-element-property "org-element" (property element))
	42	(declare-function org-element-restriction "org-element" (element))
	43	(declare-function org-element-type "org-element" (element))
	44
	45	(defvar org-agenda-columns-add-appointments-to-effort-sum)
	46	(defvar org-agenda-columns-compute-summary-properties)
	47	(defvar org-agenda-columns-show-summaries)
	48	(defvar org-agenda-view-columns-initially)
	49	(defvar org-inlinetask-min-level)
	50
	51
	52	;;; Configuration
	53
	54	(defcustom org-columns-modify-value-for-display-function nil
	55	"Function that modifies values for display in column view.
	56	For example, it can be used to cut out a certain part from a time stamp.
	57	The function must take 2 arguments:
	58
	59	column-title The title of the column (not the property name)
	60	value The value that should be modified.
	61
	62	The function should return the value that should be displayed,
	63	or nil if the normal value should be used."
	64	:group 'org-properties
	65	:type '(choice (const nil) (function)))
	66
	67	(defcustom org-columns-summary-types nil
	68	"Alist between operators and summarize functions.
	69
	70	Each association follows the pattern (LABEL . SUMMARIZE) where
	71
	72	LABEL is a string used in #+COLUMNS definition describing the
	73	summary type. It can contain any character but \"}\". It is
	74	case-sensitive.
	75
	76	SUMMARIZE is a function called with two arguments. The first
	77	argument is a non-empty list of values, as non-empty strings.
	78	The second one is a format string or nil. It has to return
	79	a string summarizing the list of values.
	80
	81	Note that the return value can become one value for an higher
	82	order summary, so the function is expected to handle its own
	83	output.
	84
	85	Types defined in this variable take precedence over those defined
	86	in `org-columns-summary-types-default', which see."
	87	:group 'org-properties
	88	:version "26.1"
	89	:package-version '(Org . "9.0")
	90	:type '(alist :key-type (string :tag " Label")
	91	:value-type (function :tag "Summarize")))
	92
	93
	94
	95	;;; Column View
	96
	97	(defvar-local org-columns-overlays nil
	98	"Holds the list of current column overlays.")
	99
	100	(defvar-local org-columns-current-fmt nil
	101	"Local variable, holds the currently active column format.")
	102
	103	(defvar-local org-columns-current-fmt-compiled nil
	104	"Local variable, holds the currently active column format.
	105	This is the compiled version of the format.")
	106
	107	(defvar-local org-columns-current-maxwidths nil
	108	"Currently active maximum column widths, as a vector.")
	109
	110	(defvar-local org-columns-begin-marker nil
	111	"Points to the position where last a column creation command was called.")
	112
	113	(defvar-local org-columns-top-level-marker nil
	114	"Points to the position where current columns region starts.")
	115
	116	(defvar org-columns--time 0.0
	117	"Number of seconds since the epoch, as a floating point number.")
	118
	119	(defvar org-columns-map (make-sparse-keymap)
	120	"The keymap valid in column display.")
	121
	122	(defconst org-columns-summary-types-default
	123	'(("+" . org-columns--summary-sum)
	124	("$" . org-columns--summary-currencies)
	125	("X" . org-columns--summary-checkbox)
	126	("X/" . org-columns--summary-checkbox-count)
	127	("X%" . org-columns--summary-checkbox-percent)
	128	("max" . org-columns--summary-max)
	129	("mean" . org-columns--summary-mean)
	130	("min" . org-columns--summary-min)
	131	(":" . org-columns--summary-sum-times)
	132	(":max" . org-columns--summary-max-time)
	133	(":mean" . org-columns--summary-mean-time)
	134	(":min" . org-columns--summary-min-time)
	135	("@max" . org-columns--summary-max-age)
	136	("@mean" . org-columns--summary-mean-age)
	137	("@min" . org-columns--summary-min-age)
	138	("est+" . org-columns--summary-estimate))
	139	"Map operators to summarize functions.
	140	See `org-columns-summary-types' for details.")
	141
	142	(defun org-columns-content ()
	143	"Switch to contents view while in columns view."
	144	(interactive)
	145	(org-overview)
	146	(org-content))
	147
	148	(org-defkey org-columns-map "c" 'org-columns-content)
	149	(org-defkey org-columns-map "o" 'org-overview)
	150	(org-defkey org-columns-map "e" 'org-columns-edit-value)
	151	(org-defkey org-columns-map "\C-c\C-t" 'org-columns-todo)
	152	(org-defkey org-columns-map "\C-c\C-c" 'org-columns-set-tags-or-toggle)
	153	(org-defkey org-columns-map "\C-c\C-o" 'org-columns-open-link)
	154	(org-defkey org-columns-map "v" 'org-columns-show-value)
	155	(org-defkey org-columns-map "q" 'org-columns-quit)
	156	(org-defkey org-columns-map "r" 'org-columns-redo)
	157	(org-defkey org-columns-map "g" 'org-columns-redo)
	158	(org-defkey org-columns-map [left] 'backward-char)
	159	(org-defkey org-columns-map "\M-b" 'backward-char)
	160	(org-defkey org-columns-map "a" 'org-columns-edit-allowed)
	161	(org-defkey org-columns-map "s" 'org-columns-edit-attributes)
	162	(org-defkey org-columns-map "\M-f"
	163	(lambda () (interactive) (goto-char (1+ (point)))))
	164	(org-defkey org-columns-map [right]
	165	(lambda () (interactive) (goto-char (1+ (point)))))
	166	(org-defkey org-columns-map [down]
	167	(lambda () (interactive)
	168	(let ((col (current-column)))
	169	(beginning-of-line 2)
	170	(while (and (org-invisible-p2) (not (eobp)))
	171	(beginning-of-line 2))
	172	(move-to-column col)
	173	(if (eq major-mode 'org-agenda-mode)
	174	(org-agenda-do-context-action)))))
	175	(org-defkey org-columns-map [up]
	176	(lambda () (interactive)
	177	(let ((col (current-column)))
	178	(beginning-of-line 0)
	179	(while (and (org-invisible-p2) (not (bobp)))
	180	(beginning-of-line 0))
	181	(move-to-column col)
	182	(if (eq major-mode 'org-agenda-mode)
	183	(org-agenda-do-context-action)))))
	184	(org-defkey org-columns-map [(shift right)] 'org-columns-next-allowed-value)
	185	(org-defkey org-columns-map "n" 'org-columns-next-allowed-value)
	186	(org-defkey org-columns-map [(shift left)] 'org-columns-previous-allowed-value)
	187	(org-defkey org-columns-map "p" 'org-columns-previous-allowed-value)
	188	(org-defkey org-columns-map "<" 'org-columns-narrow)
	189	(org-defkey org-columns-map ">" 'org-columns-widen)
	190	(org-defkey org-columns-map [(meta right)] 'org-columns-move-right)
	191	(org-defkey org-columns-map [(meta left)] 'org-columns-move-left)
	192	(org-defkey org-columns-map [(shift meta right)] 'org-columns-new)
	193	(org-defkey org-columns-map [(shift meta left)] 'org-columns-delete)
	194	(dotimes (i 10)
	195	(org-defkey org-columns-map (number-to-string i)
	196	`(lambda () (interactive)
	197	(org-columns-next-allowed-value nil ,i))))
	198
	199	(easy-menu-define org-columns-menu org-columns-map "Org Column Menu"
	200	'("Column"
	201	["Edit property" org-columns-edit-value t]
	202	["Next allowed value" org-columns-next-allowed-value t]
	203	["Previous allowed value" org-columns-previous-allowed-value t]
	204	["Show full value" org-columns-show-value t]
	205	["Edit allowed values" org-columns-edit-allowed t]
	206	"--"
	207	["Edit column attributes" org-columns-edit-attributes t]
	208	["Increase column width" org-columns-widen t]
	209	["Decrease column width" org-columns-narrow t]
	210	"--"
	211	["Move column right" org-columns-move-right t]
	212	["Move column left" org-columns-move-left t]
	213	["Add column" org-columns-new t]
	214	["Delete column" org-columns-delete t]
	215	"--"
	216	["CONTENTS" org-columns-content t]
	217	["OVERVIEW" org-overview t]
	218	["Refresh columns display" org-columns-redo t]
	219	"--"
	220	["Open link" org-columns-open-link t]
	221	"--"
	222	["Quit" org-columns-quit t]))
	223
	224	(defun org-columns--displayed-value (spec value)
	225	"Return displayed value for specification SPEC in current entry.
	226	SPEC is a column format specification as stored in
	227	`org-columns-current-fmt-compiled'. VALUE is the real value to
	228	display, as a string."
	229	(or (and (functionp org-columns-modify-value-for-display-function)
	230	(funcall org-columns-modify-value-for-display-function
	231	(nth 1 spec) ;column name
	232	value))
	233	(pcase spec
	234	(`("ITEM" . ,_)
	235	(concat (make-string (1- (org-current-level))
	236	(if org-hide-leading-stars ?\s ?*))
	237	"* "
	238	(org-columns-compact-links value)))
	239	(`(,_ ,_ ,_ ,_ nil) value)
	240	;; If PRINTF is set, assume we are displaying a number and
	241	;; obey to the format string.
	242	(`(,_ ,_ ,_ ,_ ,printf) (format printf (string-to-number value)))
	243	(_ (error "Invalid column specification format: %S" spec)))))
	244
	245	(defun org-columns--collect-values (&optional compiled-fmt)
	246	"Collect values for columns on the current line.
	247
	248	Return a list of triplets (SPEC VALUE DISPLAYED) suitable for
	249	`org-columns--display-here'.
	250
	251	This function assumes `org-columns-current-fmt-compiled' is
	252	initialized is set in the current buffer. However, it is
	253	possible to override it with optional argument COMPILED-FMT."
	254	(let ((summaries (get-text-property (point) 'org-summaries)))
	255	(mapcar
	256	(lambda (spec)
	257	(pcase spec
	258	(`(,p . ,_)
	259	(let* ((v (or (cdr (assoc spec summaries))
	260	(org-entry-get (point) p 'selective t)
	261	(and compiled-fmt ;assume `org-agenda-columns'
	262	;; Effort property is not defined. Try
	263	;; to use appointment duration.
	264	org-agenda-columns-add-appointments-to-effort-sum
	265	(string= p (upcase org-effort-property))
	266	(get-text-property (point) 'duration)
	267	(propertize (org-duration-from-minutes
	268	(get-text-property (point) 'duration))
	269	'face 'org-warning))
	270	"")))
	271	(list spec v (org-columns--displayed-value spec v))))))
	272	(or compiled-fmt org-columns-current-fmt-compiled))))
	273
	274	(defun org-columns--set-widths (cache)
	275	"Compute the maximum column widths from the format and CACHE.
	276	This function sets `org-columns-current-maxwidths' as a vector of
	277	integers greater than 0."
	278	(setq org-columns-current-maxwidths
	279	(apply #'vector
	280	(mapcar
	281	(lambda (spec)
	282	(pcase spec
	283	(`(,_ ,_ ,(and width (pred wholenump)) . ,_) width)
	284	(`(,_ ,name . ,_)
	285	;; No width is specified in the columns format.
	286	;; Compute it by checking all possible values for
	287	;; PROPERTY.
	288	(let ((width (length name)))
	289	(dolist (entry cache width)
	290	(let ((value (nth 2 (assoc spec (cdr entry)))))
	291	(setq width (max (length value) width))))))))
	292	org-columns-current-fmt-compiled))))
	293
	294	(defun org-columns--new-overlay (beg end &optional string face)
	295	"Create a new column overlay and add it to the list."
	296	(let ((ov (make-overlay beg end)))
	297	(overlay-put ov 'face (or face 'secondary-selection))
	298	(org-overlay-display ov string face)
	299	(push ov org-columns-overlays)
	300	ov))
	301
	302	(defun org-columns--summarize (operator)
	303	"Return summary function associated to string OPERATOR."
	304	(if (not operator) nil
	305	(cdr (or (assoc operator org-columns-summary-types)
	306	(assoc operator org-columns-summary-types-default)
	307	(error "Unknown %S operator" operator)))))
	308
	309	(defun org-columns--overlay-text (value fmt width property original)
	310	"Return text "
	311	(format fmt
	312	(let ((v (org-columns-add-ellipses value width)))
	313	(pcase property
	314	("PRIORITY"
	315	(propertize v 'face (org-get-priority-face original)))
	316	("TAGS"
	317	(if (not org-tags-special-faces-re)
	318	(propertize v 'face 'org-tag)
	319	(replace-regexp-in-string
	320	org-tags-special-faces-re
	321	(lambda (m) (propertize m 'face (org-get-tag-face m)))
	322	v nil nil 1)))
	323	("TODO" (propertize v 'face (org-get-todo-face original)))
	324	(_ v)))))
	325
	326	(defun org-columns--display-here (columns &optional dateline)
	327	"Overlay the current line with column display.
	328	COLUMNS is an alist (SPEC VALUE DISPLAYED). Optional argument
	329	DATELINE is non-nil when the face used should be
	330	`org-agenda-column-dateline'."
	331	(save-excursion
	332	(beginning-of-line)
	333	(let* ((level-face (and (looking-at "\$\\*\$\$\\ \$")
	334	(org-get-level-face 2)))
	335	(ref-face (or level-face
	336	(and (eq major-mode 'org-agenda-mode)
	337	(org-get-at-bol 'face))
	338	'default))
	339	(color (list :foreground (face-attribute ref-face :foreground)))
	340	(font (list :height (face-attribute 'default :height)
	341	:family (face-attribute 'default :family)))
	342	(face (list color font 'org-column ref-face))
	343	(face1 (list color font 'org-agenda-column-dateline ref-face)))
	344	;; Each column is an overlay on top of a character. So there has
	345	;; to be at least as many characters available on the line as
	346	;; columns to display.
	347	(let ((columns (length org-columns-current-fmt-compiled))
	348	(chars (- (line-end-position) (line-beginning-position))))
	349	(when (> columns chars)
	350	(save-excursion
	351	(end-of-line)
	352	(let ((inhibit-read-only t))
	353	(insert (make-string (- columns chars) ?\s))))))
	354	;; Display columns. Create and install the overlay for the
	355	;; current column on the next character.
	356	(let ((i 0)
	357	(last (1- (length columns))))
	358	(dolist (column columns)
	359	(pcase column
	360	(`(,spec ,original ,value)
	361	(let* ((property (car spec))
	362	(width (aref org-columns-current-maxwidths i))
	363	(fmt (format (if (= i last) "%%-%d.%ds \|"
	364	"%%-%d.%ds \| ")
	365	width width))
	366	(ov (org-columns--new-overlay
	367	(point) (1+ (point))
	368	(org-columns--overlay-text
	369	value fmt width property original)
	370	(if dateline face1 face))))
	371	(overlay-put ov 'keymap org-columns-map)
	372	(overlay-put ov 'org-columns-key property)
	373	(overlay-put ov 'org-columns-value original)
	374	(overlay-put ov 'org-columns-value-modified value)
	375	(overlay-put ov 'org-columns-format fmt)
	376	(overlay-put ov 'line-prefix "")
	377	(overlay-put ov 'wrap-prefix "")
	378	(forward-char))))
	379	(cl-incf i)))
	380	;; Make the rest of the line disappear.
	381	(let ((ov (org-columns--new-overlay (point) (line-end-position))))
	382	(overlay-put ov 'invisible t)
	383	(overlay-put ov 'keymap org-columns-map)
	384	(overlay-put ov 'line-prefix "")
	385	(overlay-put ov 'wrap-prefix ""))
	386	(let ((ov (make-overlay (1- (line-end-position))
	387	(line-beginning-position 2))))
	388	(overlay-put ov 'keymap org-columns-map)
	389	(push ov org-columns-overlays))
	390	(org-with-silent-modifications
	391	(let ((inhibit-read-only t))
	392	(put-text-property
	393	(line-end-position 0)
	394	(line-beginning-position 2)
	395	'read-only
	396	(substitute-command-keys
	397	"Type \\<org-columns-map>`\\[org-columns-edit-value]' \
	398	to edit property")))))))
	399
	400	(defun org-columns-add-ellipses (string width)
	401	"Truncate STRING with WIDTH characters, with ellipses."
	402	(cond
	403	((<= (length string) width) string)
	404	((<= width (length org-columns-ellipses))
	405	(substring org-columns-ellipses 0 width))
	406	(t (concat (substring string 0 (- width (length org-columns-ellipses)))
	407	org-columns-ellipses))))
	408
	409	(defvar org-columns-full-header-line-format nil
	410	"The full header line format, will be shifted by horizontal scrolling." )
	411	(defvar org-previous-header-line-format nil
	412	"The header line format before column view was turned on.")
	413	(defvar org-columns-inhibit-recalculation nil
	414	"Inhibit recomputing of columns on column view startup.")
	415	(defvar org-columns-flyspell-was-active nil
	416	"Remember the state of `flyspell-mode' before column view.
	417	Flyspell-mode can cause problems in columns view, so it is turned off
	418	for the duration of the command.")
	419
	420	(defvar header-line-format)
	421	(defvar org-columns-previous-hscroll 0)
	422
	423	(defun org-columns--display-here-title ()
	424	"Overlay the newline before the current line with the table title."
	425	(interactive)
	426	(let ((title "")
	427	(i 0))
	428	(dolist (column org-columns-current-fmt-compiled)
	429	(pcase column
	430	(`(,property ,name . ,_)
	431	(let* ((width (aref org-columns-current-maxwidths i))
	432	(fmt (format "%%-%d.%ds \| " width width)))
	433	(setq title (concat title (format fmt (or name property)))))))
	434	(cl-incf i))
	435	(setq-local org-previous-header-line-format header-line-format)
	436	(setq org-columns-full-header-line-format
	437	(concat
	438	(org-add-props " " nil 'display '(space :align-to 0))
	439	(org-add-props (substring title 0 -1) nil 'face 'org-column-title)))
	440	(setq org-columns-previous-hscroll -1)
	441	(add-hook 'post-command-hook 'org-columns-hscroll-title nil 'local)))
	442
	443	(defun org-columns-hscroll-title ()
	444	"Set the `header-line-format' so that it scrolls along with the table."
	445	(sit-for .0001) ; need to force a redisplay to update window-hscroll
	446	(when (not (= (window-hscroll) org-columns-previous-hscroll))
	447	(setq header-line-format
	448	(concat (substring org-columns-full-header-line-format 0 1)
	449	(substring org-columns-full-header-line-format
	450	(1+ (window-hscroll))))
	451	org-columns-previous-hscroll (window-hscroll))
	452	(force-mode-line-update)))
	453
	454	(defvar org-colview-initial-truncate-line-value nil
	455	"Remember the value of `truncate-lines' across colview.")
	456
	457	;;;###autoload
	458	(defun org-columns-remove-overlays ()
	459	"Remove all currently active column overlays."
	460	(interactive)
	461	(when org-columns-overlays
	462	(when (local-variable-p 'org-previous-header-line-format)
	463	(setq header-line-format org-previous-header-line-format)
	464	(kill-local-variable 'org-previous-header-line-format)
	465	(remove-hook 'post-command-hook 'org-columns-hscroll-title 'local))
	466	(set-marker org-columns-begin-marker nil)
	467	(when (markerp org-columns-top-level-marker)
	468	(set-marker org-columns-top-level-marker nil))
	469	(org-with-silent-modifications
	470	(mapc #'delete-overlay org-columns-overlays)
	471	(setq org-columns-overlays nil)
	472	(let ((inhibit-read-only t))
	473	(remove-text-properties (point-min) (point-max) '(read-only t))))
	474	(when org-columns-flyspell-was-active
	475	(flyspell-mode 1))
	476	(when (local-variable-p 'org-colview-initial-truncate-line-value)
	477	(setq truncate-lines org-colview-initial-truncate-line-value))))
	478
	479	(defun org-columns-compact-links (s)
	480	"Replace [[link][desc]] with [desc] or [link]."
	481	(while (string-match org-bracket-link-regexp s)
	482	(setq s (replace-match
	483	(concat "[" (match-string (if (match-end 3) 3 1) s) "]")
	484	t t s)))
	485	s)
	486
	487	(defun org-columns-show-value ()
	488	"Show the full value of the property."
	489	(interactive)
	490	(let ((value (get-char-property (point) 'org-columns-value)))
	491	(message "Value is: %s" (or value ""))))
	492
	493	(defvar org-agenda-columns-active) ;; defined in org-agenda.el
	494
	495	(defun org-columns-quit ()
	496	"Remove the column overlays and in this way exit column editing."
	497	(interactive)
	498	(org-with-silent-modifications
	499	(org-columns-remove-overlays)
	500	(let ((inhibit-read-only t))
	501	(remove-text-properties (point-min) (point-max) '(read-only t))))
	502	(if (not (eq major-mode 'org-agenda-mode))
	503	(setq org-columns-current-fmt nil)
	504	(setq org-agenda-columns-active nil)
	505	(message
	506	"Modification not yet reflected in Agenda buffer, use `r' to refresh")))
	507
	508	(defun org-columns-check-computed ()
	509	"Throw an error if current column value is computed."
	510	(let ((spec (nth (current-column) org-columns-current-fmt-compiled)))
	511	(and
	512	(nth 3 spec)
	513	(assoc spec (get-text-property (line-beginning-position) 'org-summaries))
	514	(error "This value is computed from the entry's children"))))
	515
	516	(defun org-columns-todo (&optional _arg)
	517	"Change the TODO state during column view."
	518	(interactive "P")
	519	(org-columns-edit-value "TODO"))
	520
	521	(defun org-columns-set-tags-or-toggle (&optional _arg)
	522	"Toggle checkbox at point, or set tags for current headline."
	523	(interactive "P")
	524	(if (string-match "\\`\\[[ xX-]\\]\\'"
	525	(get-char-property (point) 'org-columns-value))
	526	(org-columns-next-allowed-value)
	527	(org-columns-edit-value "TAGS")))
	528
	529	(defvar org-agenda-overriding-columns-format nil
	530	"When set, overrides any other format definition for the agenda.
	531	Don't set this, this is meant for dynamic scoping.")
	532
	533	(defun org-columns-edit-value (&optional key)
	534	"Edit the value of the property at point in column view.
	535	Where possible, use the standard interface for changing this line."
	536	(interactive)
	537	(org-columns-check-computed)
	538	(let* ((col (current-column))
	539	(bol (line-beginning-position))
	540	(eol (line-end-position))
	541	(pom (or (get-text-property bol 'org-hd-marker) (point)))
	542	(key (or key (get-char-property (point) 'org-columns-key)))
	543	(org-columns--time (float-time (current-time)))
	544	(action
	545	(pcase key
	546	("CLOCKSUM"
	547	(error "This special column cannot be edited"))
	548	("ITEM"
	549	(lambda () (org-with-point-at pom (org-edit-headline))))
	550	("TODO"
	551	(lambda ()
	552	(org-with-point-at pom (call-interactively #'org-todo))))
	553	("PRIORITY"
	554	(lambda ()
	555	(org-with-point-at pom
	556	(call-interactively #'org-priority))))
	557	("TAGS"
	558	(lambda ()
	559	(org-with-point-at pom
	560	(let ((org-fast-tag-selection-single-key
	561	(if (eq org-fast-tag-selection-single-key 'expert)
	562	t
	563	org-fast-tag-selection-single-key)))
	564	(call-interactively #'org-set-tags)))))
	565	("DEADLINE"
	566	(lambda ()
	567	(org-with-point-at pom (call-interactively #'org-deadline))))
	568	("SCHEDULED"
	569	(lambda ()
	570	(org-with-point-at pom (call-interactively #'org-schedule))))
	571	("BEAMER_ENV"
	572	(lambda ()
	573	(org-with-point-at pom
	574	(call-interactively #'org-beamer-select-environment))))
	575	(_
	576	(let* ((allowed (org-property-get-allowed-values pom key 'table))
	577	(value (get-char-property (point) 'org-columns-value))
	578	(nval (org-trim
	579	(if (null allowed) (read-string "Edit: " value)
	580	(completing-read
	581	"Value: " allowed nil
	582	(not (get-text-property
	583	0 'org-unrestricted (caar allowed))))))))
	584	(and (not (equal nval value))
	585	(lambda () (org-entry-put pom key nval))))))))
	586	(cond
	587	((null action))
	588	((eq major-mode 'org-agenda-mode)
	589	(org-columns--call action)
	590	;; The following let preserves the current format, and makes
	591	;; sure that in only a single file things need to be updated.
	592	(let* ((org-agenda-overriding-columns-format org-columns-current-fmt)
	593	(buffer (marker-buffer pom))
	594	(org-agenda-contributing-files
	595	(list (with-current-buffer buffer
	596	(buffer-file-name (buffer-base-buffer))))))
	597	(org-agenda-columns)))
	598	(t
	599	(let ((inhibit-read-only t))
	600	(org-with-silent-modifications
	601	(remove-text-properties (max (point-min) (1- bol)) eol '(read-only t)))
	602	(org-columns--call action))
	603	;; Some properties can modify headline (e.g., "TODO"), and
	604	;; possible shuffle overlays. Make sure they are still all at
	605	;; the right place on the current line.
	606	(let ((org-columns-inhibit-recalculation)) (org-columns-redo))
	607	(org-columns-update key)
	608	(org-move-to-column col)))))
	609
	610	(defun org-columns-edit-allowed ()
	611	"Edit the list of allowed values for the current property."
	612	(interactive)
	613	(let* ((pom (or (org-get-at-bol 'org-marker)
	614	(org-get-at-bol 'org-hd-marker)
	615	(point)))
	616	(key (concat (or (get-char-property (point) 'org-columns-key)
	617	(user-error "No column to edit at point"))
	618	"_ALL"))
	619	(allowed (org-entry-get pom key t))
	620	(new-value (read-string "Allowed: " allowed)))
	621	;; FIXME: Cover editing TODO, TAGS etc in-buffer settings.????
	622	;; FIXME: Write back to #+PROPERTY setting if that is needed.
	623	(org-entry-put
	624	(cond ((marker-position org-entry-property-inherited-from)
	625	org-entry-property-inherited-from)
	626	((marker-position org-columns-top-level-marker)
	627	org-columns-top-level-marker)
	628	(t pom))
	629	key new-value)))
	630
	631	(defun org-columns--call (fun)
	632	"Call function FUN while preserving heading visibility.
	633	FUN is a function called with no argument."
	634	(let ((hide-body (and (/= (line-end-position) (point-max))
	635	(save-excursion
	636	(move-beginning-of-line 2)
	637	(org-at-heading-p t)))))
	638	(unwind-protect (funcall fun)
	639	(when hide-body (outline-hide-entry)))))
	640
	641	(defun org-columns-previous-allowed-value ()
	642	"Switch to the previous allowed value for this column."
	643	(interactive)
	644	(org-columns-next-allowed-value t))
	645
	646	(defun org-columns-next-allowed-value (&optional previous nth)
	647	"Switch to the next allowed value for this column.
	648	When PREVIOUS is set, go to the previous value. When NTH is
	649	an integer, select that value."
	650	(interactive)
	651	(org-columns-check-computed)
	652	(let* ((column (current-column))
	653	(key (get-char-property (point) 'org-columns-key))
	654	(value (get-char-property (point) 'org-columns-value))
	655	(pom (or (get-text-property (line-beginning-position) 'org-hd-marker)
	656	(point)))
	657	(allowed
	658	(let ((all
	659	(or (org-property-get-allowed-values pom key)
	660	(pcase (nth column org-columns-current-fmt-compiled)
	661	(`(,_ ,_ ,_ ,(or "X" "X/" "X%") ,_) '("[ ]" "[X]")))
	662	(org-colview-construct-allowed-dates value))))
	663	(if previous (reverse all) all))))
	664	(when (equal key "ITEM") (error "Cannot edit item headline from here"))
	665	(unless (or allowed (member key '("SCHEDULED" "DEADLINE" "CLOCKSUM")))
	666	(error "Allowed values for this property have not been defined"))
	667	(let* ((l (length allowed))
	668	(new
	669	(cond
	670	((member key '("SCHEDULED" "DEADLINE" "CLOCKSUM"))
	671	(if previous 'earlier 'later))
	672	((integerp nth)
	673	(when (> (abs nth) l)
	674	(user-error "Only %d allowed values for property `%s'" l key))
	675	(nth (mod (1- nth) l) allowed))
	676	((member value allowed)
	677	(when (= l 1) (error "Only one allowed value for this property"))
	678	(or (nth 1 (member value allowed)) (car allowed)))
	679	(t (car allowed))))
	680	(action (lambda () (org-entry-put pom key new))))
	681	(cond
	682	((eq major-mode 'org-agenda-mode)
	683	(org-columns--call action)
	684	;; The following let preserves the current format, and makes
	685	;; sure that in only a single file things need to be updated.
	686	(let* ((org-agenda-overriding-columns-format org-columns-current-fmt)
	687	(buffer (marker-buffer pom))
	688	(org-agenda-contributing-files
	689	(list (with-current-buffer buffer
	690	(buffer-file-name (buffer-base-buffer))))))
	691	(org-agenda-columns)))
	692	(t
	693	(let ((inhibit-read-only t))
	694	(remove-text-properties (line-end-position 0) (line-end-position)
	695	'(read-only t))
	696	(org-columns--call action))
	697	;; Some properties can modify headline (e.g., "TODO"), and
	698	;; possible shuffle overlays. Make sure they are still all at
	699	;; the right place on the current line.
	700	(let ((org-columns-inhibit-recalculation)) (org-columns-redo))
	701	(org-columns-update key)
	702	(org-move-to-column column))))))
	703
	704	(defun org-colview-construct-allowed-dates (s)
	705	"Construct a list of three dates around the date in S.
	706	This respects the format of the time stamp in S, active or non-active,
	707	and also including time or not. S must be just a time stamp, no text
	708	around it."
	709	(when (and s (string-match (concat "^" org-ts-regexp3 "$") s))
	710	(let* ((time (org-parse-time-string s 'nodefaults))
	711	(active (equal (string-to-char s) ?<))
	712	(fmt (funcall (if (nth 1 time) 'cdr 'car) org-time-stamp-formats))
	713	time-before time-after)
	714	(unless active (setq fmt (concat "[" (substring fmt 1 -1) "]")))
	715	(setf (car time) (or (car time) 0))
	716	(setf (nth 1 time) (or (nth 1 time) 0))
	717	(setf (nth 2 time) (or (nth 2 time) 0))
	718	(setq time-before (copy-sequence time))
	719	(setq time-after (copy-sequence time))
	720	(setf (nth 3 time-before) (1- (nth 3 time)))
	721	(setf (nth 3 time-after) (1+ (nth 3 time)))
	722	(mapcar (lambda (x) (format-time-string fmt (apply 'encode-time x)))
	723	(list time-before time time-after)))))
	724
	725	(defun org-columns-open-link (&optional arg)
	726	(interactive "P")
	727	(let ((value (get-char-property (point) 'org-columns-value)))
	728	(org-open-link-from-string value arg)))
	729
	730	;;;###autoload
	731	(defun org-columns-get-format-and-top-level ()
	732	(let ((fmt (org-columns-get-format)))
	733	(org-columns-goto-top-level)
	734	fmt))
	735
	736	(defun org-columns-get-format (&optional fmt-string)
	737	"Return columns format specifications.
	738	When optional argument FMT-STRING is non-nil, use it as the
	739	current specifications. This function also sets
	740	`org-columns-current-fmt-compiled' and
	741	`org-columns-current-fmt'."
	742	(interactive)
	743	(let ((format
	744	(or fmt-string
	745	(org-entry-get nil "COLUMNS" t)
	746	(org-with-wide-buffer
	747	(goto-char (point-min))
	748	(catch :found
	749	(let ((case-fold-search t))
	750	(while (re-search-forward "^[ \t]*#\\+COLUMNS: .+$" nil t)
	751	(let ((element (org-element-at-point)))
	752	(when (eq (org-element-type element) 'keyword)
	753	(throw :found (org-element-property :value element)))))
	754	nil)))
	755	org-columns-default-format)))
	756	(setq org-columns-current-fmt format)
	757	(org-columns-compile-format format)
	758	format))
	759
	760	(defun org-columns-goto-top-level ()
	761	"Move to the beginning of the column view area.
	762	Also sets `org-columns-top-level-marker' to the new position."
	763	(unless (markerp org-columns-top-level-marker)
	764	(setq org-columns-top-level-marker (make-marker)))
	765	(goto-char
	766	(move-marker
	767	org-columns-top-level-marker
	768	(cond ((org-before-first-heading-p) (point-min))
	769	((org-entry-get nil "COLUMNS" t) org-entry-property-inherited-from)
	770	(t (org-back-to-heading) (point))))))
	771
	772	;;;###autoload
	773	(defun org-columns (&optional global columns-fmt-string)
	774	"Turn on column view on an Org mode file.
	775
	776	Column view applies to the whole buffer if point is before the
	777	first headline. Otherwise, it applies to the first ancestor
	778	setting \"COLUMNS\" property. If there is none, it defaults to
	779	the current headline. With a `\\[universal-argument]' prefix \
	780	argument, turn on column
	781	view for the whole buffer unconditionally.
	782
	783	When COLUMNS-FMT-STRING is non-nil, use it as the column format."
	784	(interactive "P")
	785	(org-columns-remove-overlays)
	786	(when global (goto-char (point-min)))
	787	(if (markerp org-columns-begin-marker)
	788	(move-marker org-columns-begin-marker (point))
	789	(setq org-columns-begin-marker (point-marker)))
	790	(org-columns-goto-top-level)
	791	;; Initialize `org-columns-current-fmt' and
	792	;; `org-columns-current-fmt-compiled'.
	793	(let ((org-columns--time (float-time (current-time))))
	794	(org-columns-get-format columns-fmt-string)
	795	(unless org-columns-inhibit-recalculation (org-columns-compute-all))
	796	(save-excursion
	797	(save-restriction
	798	(when (and (not global) (org-at-heading-p))
	799	(narrow-to-region (point) (org-end-of-subtree t t)))
	800	(when (assoc "CLOCKSUM" org-columns-current-fmt-compiled)
	801	(org-clock-sum))
	802	(when (assoc "CLOCKSUM_T" org-columns-current-fmt-compiled)
	803	(org-clock-sum-today))
	804	(let ((cache
	805	;; Collect contents of columns ahead of time so as to
	806	;; compute their maximum width.
	807	(org-map-entries
	808	(lambda () (cons (point) (org-columns--collect-values)))
	809	nil nil (and org-columns-skip-archived-trees 'archive))))
	810	(when cache
	811	(org-columns--set-widths cache)
	812	(org-columns--display-here-title)
	813	(when (setq-local org-columns-flyspell-was-active
	814	(bound-and-true-p flyspell-mode))
	815	(flyspell-mode 0))
	816	(unless (local-variable-p 'org-colview-initial-truncate-line-value)
	817	(setq-local org-colview-initial-truncate-line-value
	818	truncate-lines))
	819	(setq truncate-lines t)
	820	(dolist (entry cache)
	821	(goto-char (car entry))
	822	(org-columns--display-here (cdr entry)))))))))
	823
	824	(defun org-columns-new (&optional spec &rest attributes)
	825	"Insert a new column, to the left of the current column.
	826	Interactively fill attributes for new column. When column format
	827	specification SPEC is provided, edit it instead.
	828
	829	When optional argument attributes can be a list of columns
	830	specifications attributes to create the new column
	831	non-interactively. See `org-columns-compile-format' for
	832	details."
	833	(interactive)
	834	(let ((new (or attributes
	835	(let ((prop
	836	(completing-read
	837	"Property: "
	838	(mapcar #'list (org-buffer-property-keys t nil t))
	839	nil nil (nth 0 spec))))
	840	(list prop
	841	(read-string (format "Column title [%s]: " prop)
	842	(nth 1 spec))
	843	;; Use `read-string' instead of `read-number'
	844	;; to allow empty width.
	845	(let ((w (read-string
	846	"Column width: "
	847	(and (nth 2 spec)
	848	(number-to-string (nth 2 spec))))))
	849	(and (org-string-nw-p w) (string-to-number w)))
	850	(org-string-nw-p
	851	(completing-read
	852	"Summary: "
	853	(delete-dups
	854	(cons '("") ;Allow empty operator.
	855	(mapcar (lambda (x) (list (car x)))
	856	(append
	857	org-columns-summary-types
	858	org-columns-summary-types-default))))
	859	nil t (nth 3 spec)))
	860	(org-string-nw-p
	861	(read-string "Format: " (nth 4 spec))))))))
	862	(if spec
	863	(progn (setcar spec (car new))
	864	(setcdr spec (cdr new)))
	865	(push new (nthcdr (current-column) org-columns-current-fmt-compiled)))
	866	(org-columns-store-format)
	867	(org-columns-redo)))
	868
	869	(defun org-columns-delete ()
	870	"Delete the column at point from columns view."
	871	(interactive)
	872	(let ((spec (nth (current-column) org-columns-current-fmt-compiled)))
	873	(when (y-or-n-p (format "Are you sure you want to remove column %S? "
	874	(nth 1 spec)))
	875	(setq org-columns-current-fmt-compiled
	876	(delq spec org-columns-current-fmt-compiled))
	877	(org-columns-store-format)
	878	;; This may leave a now wrong value in a node property. However
	879	;; updating it may prove counter-intuitive. See comments in
	880	;; `org-columns-move-right' for details.
	881	(let ((org-columns-inhibit-recalculation t)) (org-columns-redo))
	882	(when (>= (current-column) (length org-columns-current-fmt-compiled))
	883	(backward-char)))))
	884
	885	(defun org-columns-edit-attributes ()
	886	"Edit the attributes of the current column."
	887	(interactive)
	888	(org-columns-new (nth (current-column) org-columns-current-fmt-compiled)))
	889
	890	(defun org-columns-widen (arg)
	891	"Make the column wider by ARG characters."
	892	(interactive "p")
	893	(let* ((n (current-column))
	894	(entry (nth n org-columns-current-fmt-compiled))
	895	(width (aref org-columns-current-maxwidths n)))
	896	(setq width (max 1 (+ width arg)))
	897	(setcar (nthcdr 2 entry) width)
	898	(org-columns-store-format)
	899	(let ((org-columns-inhibit-recalculation t)) (org-columns-redo))))
	900
	901	(defun org-columns-narrow (arg)
	902	"Make the column narrower by ARG characters."
	903	(interactive "p")
	904	(org-columns-widen (- arg)))
	905
	906	(defun org-columns-move-right ()
	907	"Swap this column with the one to the right."
	908	(interactive)
	909	(let* ((n (current-column))
	910	(cell (nthcdr n org-columns-current-fmt-compiled))
	911	e)
	912	(when (>= n (1- (length org-columns-current-fmt-compiled)))
	913	(error "Cannot shift this column further to the right"))
	914	(setq e (car cell))
	915	(setcar cell (car (cdr cell)))
	916	(setcdr cell (cons e (cdr (cdr cell))))
	917	(org-columns-store-format)
	918	;; Do not compute again properties, since we're just moving
	919	;; columns around. It can put a property value a bit off when
	920	;; switching between an non-computed and a computed value for the
	921	;; same property, e.g. from "%A %A{+}" to "%A{+} %A".
	922	;;
	923	;; In this case, the value needs to be updated since the first
	924	;; column related to a property determines how its value is
	925	;; computed. However, (correctly) updating the value could be
	926	;; surprising, so we leave it as-is nonetheless.
	927	(let ((org-columns-inhibit-recalculation t)) (org-columns-redo))
	928	(forward-char 1)))
	929
	930	(defun org-columns-move-left ()
	931	"Swap this column with the one to the left."
	932	(interactive)
	933	(let* ((n (current-column)))
	934	(when (= n 0)
	935	(error "Cannot shift this column further to the left"))
	936	(backward-char 1)
	937	(org-columns-move-right)
	938	(backward-char 1)))
	939
	940	(defun org-columns-store-format ()
	941	"Store the text version of the current columns format.
	942	The format is stored either in the COLUMNS property of the node
	943	starting the current column display, or in a #+COLUMNS line of
	944	the current buffer."
	945	(let ((fmt (org-columns-uncompile-format org-columns-current-fmt-compiled)))
	946	(setq-local org-columns-current-fmt fmt)
	947	(when org-columns-overlays
	948	(org-with-point-at org-columns-top-level-marker
	949	(if (and (org-at-heading-p) (org-entry-get nil "COLUMNS"))
	950	(org-entry-put nil "COLUMNS" fmt)
	951	(goto-char (point-min))
	952	(let ((case-fold-search t))
	953	;; Try to replace the first COLUMNS keyword available.
	954	(catch :found
	955	(while (re-search-forward "^[ \t]#\\+COLUMNS:\$.\$" nil t)
	956	(let ((element (save-match-data (org-element-at-point))))
	957	(when (and (eq (org-element-type element) 'keyword)
	958	(equal (org-element-property :key element)
	959	"COLUMNS"))
	960	(replace-match (concat " " fmt) t t nil 1)
	961	(throw :found nil))))
	962	;; No COLUMNS keyword in the buffer. Insert one at the
	963	;; beginning, right before the first heading, if any.
	964	(goto-char (point-min))
	965	(unless (org-at-heading-p t) (outline-next-heading))
	966	(let ((inhibit-read-only t))
	967	(insert-before-markers "#+COLUMNS: " fmt "\n"))))
	968	(setq-local org-columns-default-format fmt))))))
	969
	970	(defun org-columns-update (property)
	971	"Recompute PROPERTY, and update the columns display for it."
	972	(org-columns-compute property)
	973	(org-with-wide-buffer
	974	(let ((p (upcase property)))
	975	(dolist (ov org-columns-overlays)
	976	(let ((key (overlay-get ov 'org-columns-key)))
	977	(when (and key (equal key p) (overlay-start ov))
	978	(goto-char (overlay-start ov))
	979	(let* ((spec (nth (current-column) org-columns-current-fmt-compiled))
	980	(value
	981	(or (cdr (assoc spec
	982	(get-text-property (line-beginning-position)
	983	'org-summaries)))
	984	(org-entry-get (point) key))))
	985	(when value
	986	(let ((displayed (org-columns--displayed-value spec value))
	987	(format (overlay-get ov 'org-columns-format))
	988	(width
	989	(aref org-columns-current-maxwidths (current-column))))
	990	(overlay-put ov 'org-columns-value value)
	991	(overlay-put ov 'org-columns-value-modified displayed)
	992	(overlay-put ov
	993	'display
	994	(org-columns--overlay-text
	995	displayed format width property value)))))))))))
	996
	997	(defun org-columns-redo ()
	998	"Construct the column display again."
	999	(interactive)
	1000	(when org-columns-overlays
	1001	(message "Recomputing columns...")
	1002	(org-with-point-at org-columns-begin-marker
	1003	(org-columns-remove-overlays)
	1004	(if (derived-mode-p 'org-mode)
	1005	;; Since we already know the columns format, provide it
	1006	;; instead of computing again.
	1007	(call-interactively #'org-columns org-columns-current-fmt)
	1008	(org-agenda-redo)
	1009	(call-interactively #'org-agenda-columns)))
	1010	(message "Recomputing columns...done")))
	1011
	1012	(defun org-columns-uncompile-format (compiled)
	1013	"Turn the compiled columns format back into a string representation.
	1014	COMPILED is an alist, as returned by
	1015	`org-columns-compile-format', which see."
	1016	(mapconcat
	1017	(lambda (spec)
	1018	(pcase spec
	1019	(`(,prop ,title ,width ,op ,printf)
	1020	(concat "%"
	1021	(and width (number-to-string width))
	1022	prop
	1023	(and title (not (equal prop title)) (format "(%s)" title))
	1024	(cond ((not op) nil)
	1025	(printf (format "{%s;%s}" op printf))
	1026	(t (format "{%s}" op)))))))
	1027	compiled " "))
	1028
	1029	(defun org-columns-compile-format (fmt)
	1030	"Turn a column format string FMT into an alist of specifications.
	1031
	1032	The alist has one entry for each column in the format. The elements of
	1033	that list are:
	1034	property the property name, as an upper-case string
	1035	title the title field for the columns, as a string
	1036	width the column width in characters, can be nil for automatic width
	1037	operator the summary operator, as a string, or nil
	1038	printf a printf format for computed values, as a string, or nil
	1039
	1040	This function updates `org-columns-current-fmt-compiled'."
	1041	(setq org-columns-current-fmt-compiled nil)
	1042	(let ((start 0))
	1043	(while (string-match
	1044	"%\$[0-9]+\$?\$[[:alnum:]_-]+\$\$?:(\\([^)]+\$)\\)?\
	1045	\$?:{\\([^}]+\$}\\)?\\s-*"
	1046	fmt start)
	1047	(setq start (match-end 0))
	1048	(let* ((width (and (match-end 1) (string-to-number (match-string 1 fmt))))
	1049	(prop (match-string-no-properties 2 fmt))
	1050	(title (or (match-string-no-properties 3 fmt) prop))
	1051	(operator (match-string-no-properties 4 fmt)))
	1052	(push (if (not operator) (list (upcase prop) title width nil nil)
	1053	(let (printf)
	1054	(when (string-match ";" operator)
	1055	(setq printf (substring operator (match-end 0)))
	1056	(setq operator (substring operator 0 (match-beginning 0))))
	1057	(list (upcase prop) title width operator printf)))
	1058	org-columns-current-fmt-compiled)))
	1059	(setq org-columns-current-fmt-compiled
	1060	(nreverse org-columns-current-fmt-compiled))))
	1061
	1062
	1063	;;;; Column View Summary
	1064
	1065	(defun org-columns--age-to-minutes (s)
	1066	"Turn age string S into a number of minutes.
	1067	An age is either computed from a given time-stamp, or indicated
	1068	as a canonical duration, i.e., using units defined in
	1069	`org-duration-canonical-units'."
	1070	(cond
	1071	((string-match-p org-ts-regexp s)
	1072	(/ (- org-columns--time
	1073	(float-time (apply #'encode-time (org-parse-time-string s))))
	1074	60))
	1075	((org-duration-p s) (org-duration-to-minutes s t)) ;skip user units
	1076	(t (user-error "Invalid age: %S" s))))
	1077
	1078	(defun org-columns--format-age (minutes)
	1079	"Format MINUTES float as an age string."
	1080	(org-duration-from-minutes minutes
	1081	'(("d" . nil) ("h" . nil) ("min" . nil))
	1082	t)) ;ignore user's custom units
	1083
	1084	(defun org-columns--summary-apply-times (fun times)
	1085	"Apply FUN to time values TIMES.
	1086	Return the result as a duration."
	1087	(org-duration-from-minutes
	1088	(apply fun
	1089	(mapcar (lambda (time)
	1090	;; Unlike to `org-duration-to-minutes' standard
	1091	;; behavior, we want to consider plain numbers as
	1092	;; hours. As a consequence, we treat them
	1093	;; differently.
	1094	(if (string-match-p "\\`[0-9]+\$?:\\.[0-9]*\$?\\'" time)
	1095	(* 60 (string-to-number time))
	1096	(org-duration-to-minutes time)))
	1097	times))
	1098	(org-duration-h:mm-only-p times)))
	1099
	1100	(defun org-columns--compute-spec (spec &optional update)
	1101	"Update tree according to SPEC.
	1102	SPEC is a column format specification. When optional argument
	1103	UPDATE is non-nil, summarized values can replace existing ones in
	1104	properties drawers."
	1105	(let* ((lmax (if (bound-and-true-p org-inlinetask-min-level)
	1106	org-inlinetask-min-level
	1107	29)) ;Hard-code deepest level.
	1108	(lvals (make-vector (1+ lmax) nil))
	1109	(level 0)
	1110	(inminlevel lmax)
	1111	(last-level lmax)
	1112	(property (car spec))
	1113	(printf (nth 4 spec))
	1114	(summarize (org-columns--summarize (nth 3 spec))))
	1115	(org-with-wide-buffer
	1116	;; Find the region to compute.
	1117	(goto-char org-columns-top-level-marker)
	1118	(goto-char (condition-case nil (org-end-of-subtree t) (error (point-max))))
	1119	;; Walk the tree from the back and do the computations.
	1120	(while (re-search-backward
	1121	org-outline-regexp-bol org-columns-top-level-marker t)
	1122	(unless (or (= level 0) (eq level inminlevel))
	1123	(setq last-level level))
	1124	(setq level (org-reduced-level (org-outline-level)))
	1125	(let* ((pos (match-beginning 0))
	1126	(value (org-entry-get nil property))
	1127	(value-set (org-string-nw-p value)))
	1128	(cond
	1129	((< level last-level)
	1130	;; Collect values from lower levels and inline tasks here
	1131	;; and summarize them using SUMMARIZE. Store them in text
	1132	;; property `org-summaries', in alist whose key is SPEC.
	1133	(let* ((summary
	1134	(and summarize
	1135	(let ((values (append (and (/= last-level inminlevel)
	1136	(aref lvals last-level))
	1137	(aref lvals inminlevel))))
	1138	(and values (funcall summarize values printf))))))
	1139	;; Leaf values are not summaries: do not mark them.
	1140	(when summary
	1141	(let* ((summaries-alist (get-text-property pos 'org-summaries))
	1142	(old (assoc spec summaries-alist)))
	1143	(if old (setcdr old summary)
	1144	(push (cons spec summary) summaries-alist)
	1145	(org-with-silent-modifications
	1146	(add-text-properties
	1147	pos (1+ pos) (list 'org-summaries summaries-alist)))))
	1148	;; When PROPERTY exists in current node, even if empty,
	1149	;; but its value doesn't match the one computed, use
	1150	;; the latter instead.
	1151	;;
	1152	;; Ignore leading or trailing white spaces that might
	1153	;; have been introduced in summary, since those are not
	1154	;; significant in properties value.
	1155	(let ((new-value (org-trim summary)))
	1156	(when (and update value (not (equal value new-value)))
	1157	(org-entry-put (point) property new-value))))
	1158	;; Add current to current level accumulator.
	1159	(when (or summary value-set)
	1160	(push (or summary value) (aref lvals level)))
	1161	;; Clear accumulators for deeper levels.
	1162	(cl-loop for l from (1+ level) to lmax do (aset lvals l nil))))
	1163	(value-set (push value (aref lvals level)))
	1164	(t nil)))))))
	1165
	1166	;;;###autoload
	1167	(defun org-columns-compute (property)
	1168	"Summarize the values of PROPERTY hierarchically.
	1169	Also update existing values for PROPERTY according to the first
	1170	column specification."
	1171	(interactive)
	1172	(let ((main-flag t)
	1173	(upcase-prop (upcase property)))
	1174	(dolist (spec org-columns-current-fmt-compiled)
	1175	(pcase spec
	1176	(`(,(pred (equal upcase-prop)) . ,_)
	1177	(org-columns--compute-spec spec main-flag)
	1178	;; Only the first summary can update the property value.
	1179	(when main-flag (setq main-flag nil)))))))
	1180
	1181	(defun org-columns-compute-all ()
	1182	"Compute all columns that have operators defined."
	1183	(org-with-silent-modifications
	1184	(remove-text-properties (point-min) (point-max) '(org-summaries t)))
	1185	(let ((org-columns--time (float-time (current-time)))
	1186	seen)
	1187	(dolist (spec org-columns-current-fmt-compiled)
	1188	(let ((property (car spec)))
	1189	;; Property value is updated only the first time a given
	1190	;; property is encountered.
	1191	(org-columns--compute-spec spec (not (member property seen)))
	1192	(push property seen)))))
	1193
	1194	(defun org-columns--summary-sum (values printf)
	1195	"Compute the sum of VALUES.
	1196	When PRINTF is non-nil, use it to format the result."
	1197	(format (or printf "%s") (apply #'+ (mapcar #'string-to-number values))))
	1198
	1199	(defun org-columns--summary-currencies (values _)
	1200	"Compute the sum of VALUES, with two decimals."
	1201	(format "%.2f" (apply #'+ (mapcar #'string-to-number values))))
	1202
	1203	(defun org-columns--summary-checkbox (check-boxes _)
	1204	"Summarize CHECK-BOXES with a check-box."
	1205	(let ((done (cl-count "[X]" check-boxes :test #'equal))
	1206	(all (length check-boxes)))
	1207	(cond ((= done all) "[X]")
	1208	((> done 0) "[-]")
	1209	(t "[ ]"))))
	1210
	1211	(defun org-columns--summary-checkbox-count (check-boxes _)
	1212	"Summarize CHECK-BOXES with a check-box cookie."
	1213	(format "[%d/%d]"
	1214	(cl-count-if (lambda (b) (or (equal b "[X]")
	1215	(string-match-p "\\[\$[1-9]\$/\\1\\]" b)))
	1216	check-boxes)
	1217	(length check-boxes)))
	1218
	1219	(defun org-columns--summary-checkbox-percent (check-boxes _)
	1220	"Summarize CHECK-BOXES with a check-box percent."
	1221	(format "[%d%%]"
	1222	(round (* 100.0 (cl-count-if (lambda (b) (member b '("[X]" "[100%]")))
	1223	check-boxes))
	1224	(length check-boxes))))
	1225
	1226	(defun org-columns--summary-min (values printf)
	1227	"Compute the minimum of VALUES.
	1228	When PRINTF is non-nil, use it to format the result."
	1229	(format (or printf "%s")
	1230	(apply #'min (mapcar #'string-to-number values))))
	1231
	1232	(defun org-columns--summary-max (values printf)
	1233	"Compute the maximum of VALUES.
	1234	When PRINTF is non-nil, use it to format the result."
	1235	(format (or printf "%s")
	1236	(apply #'max (mapcar #'string-to-number values))))
	1237
	1238	(defun org-columns--summary-mean (values printf)
	1239	"Compute the mean of VALUES.
	1240	When PRINTF is non-nil, use it to format the result."
	1241	(format (or printf "%s")
	1242	(/ (apply #'+ (mapcar #'string-to-number values))
	1243	(float (length values)))))
	1244
	1245	(defun org-columns--summary-sum-times (times _)
	1246	"Sum TIMES."
	1247	(org-columns--summary-apply-times #'+ times))
	1248
	1249	(defun org-columns--summary-min-time (times _)
	1250	"Compute the minimum time among TIMES."
	1251	(org-columns--summary-apply-times #'min times))
	1252
	1253	(defun org-columns--summary-max-time (times _)
	1254	"Compute the maximum time among TIMES."
	1255	(org-columns--summary-apply-times #'max times))
	1256
	1257	(defun org-columns--summary-mean-time (times _)
	1258	"Compute the mean time among TIMES."
	1259	(org-columns--summary-apply-times
	1260	(lambda (&rest values) (/ (apply #'+ values) (float (length values))))
	1261	times))
	1262
	1263	(defun org-columns--summary-min-age (ages _)
	1264	"Compute the minimum time among AGES."
	1265	(org-columns--format-age
	1266	(apply #'min (mapcar #'org-columns--age-to-minutes ages))))
	1267
	1268	(defun org-columns--summary-max-age (ages _)
	1269	"Compute the maximum time among AGES."
	1270	(org-columns--format-age
	1271	(apply #'max (mapcar #'org-columns--age-to-minutes ages))))
	1272
	1273	(defun org-columns--summary-mean-age (ages _)
	1274	"Compute the minimum time among AGES."
	1275	(org-columns--format-age
	1276	(/ (apply #'+ (mapcar #'org-columns--age-to-minutes ages))
	1277	(float (length ages)))))
	1278
	1279	(defun org-columns--summary-estimate (estimates _)
	1280	"Combine a list of estimates, using mean and variance.
	1281	The mean and variance of the result will be the sum of the means
	1282	and variances (respectively) of the individual estimates."
	1283	(let ((mean 0)
	1284	(var 0))
	1285	(dolist (e estimates)
	1286	(pcase (mapcar #'string-to-number (split-string e "-"))
	1287	(`(,low ,high)
	1288	(let ((m (/ (+ low high) 2.0)))
	1289	(cl-incf mean m)
	1290	(cl-incf var (- (/ (+ (* low low) (* high high)) 2.0) (* m m)))))
	1291	(`(,value) (cl-incf mean value))))
	1292	(let ((sd (sqrt var)))
	1293	(format "%s-%s"
	1294	(format "%.0f" (- mean sd))
	1295	(format "%.0f" (+ mean sd))))))
	1296
	1297
	1298
	1299	;;; Dynamic block for Column view
	1300
	1301	(defun org-columns--capture-view (maxlevel skip-empty format local)
	1302	"Get the column view of the current buffer.
	1303
	1304	MAXLEVEL sets the level limit. SKIP-EMPTY tells whether to skip
	1305	empty rows, an empty row being one where all the column view
	1306	specifiers but ITEM are empty. FORMAT is a format string for
	1307	columns, or nil. When LOCAL is non-nil, only capture headings in
	1308	current subtree.
	1309
	1310	This function returns a list containing the title row and all
	1311	other rows. Each row is a list of fields, as strings, or
	1312	`hline'."
	1313	(org-columns (not local) format)
	1314	(goto-char org-columns-top-level-marker)
	1315	(let ((columns (length org-columns-current-fmt-compiled))
	1316	(has-item (assoc "ITEM" org-columns-current-fmt-compiled))
	1317	table)
	1318	(org-map-entries
	1319	(lambda ()
	1320	(when (get-char-property (point) 'org-columns-key)
	1321	(let (row)
	1322	(dotimes (i columns)
	1323	(let* ((col (+ (line-beginning-position) i))
	1324	(p (get-char-property col 'org-columns-key)))
	1325	(push (org-quote-vert
	1326	(get-char-property col
	1327	(if (string= p "ITEM")
	1328	'org-columns-value
	1329	'org-columns-value-modified)))
	1330	row)))
	1331	(unless (and skip-empty
	1332	(let ((r (delete-dups (remove "" row))))
	1333	(or (null r) (and has-item (= (length r) 1)))))
	1334	(push (cons (org-reduced-level (org-current-level)) (nreverse row))
	1335	table)))))
	1336	(and maxlevel (format "LEVEL<=%d" maxlevel))
	1337	(and local 'tree)
	1338	'archive 'comment)
	1339	(org-columns-quit)
	1340	;; Add column titles and a horizontal rule in front of the table.
	1341	(cons (mapcar #'cadr org-columns-current-fmt-compiled)
	1342	(cons 'hline (nreverse table)))))
	1343
	1344	(defun org-columns--clean-item (item)
	1345	"Remove sensitive contents from string ITEM.
	1346	This includes objects that may not be duplicated within
	1347	a document, e.g., a target, or those forbidden in tables, e.g.,
	1348	an inline src-block."
	1349	(let ((data (org-element-parse-secondary-string
	1350	item (org-element-restriction 'headline))))
	1351	(org-element-map data
	1352	'(footnote-reference inline-babel-call inline-src-block target
	1353	radio-target statistics-cookie)
	1354	#'org-element-extract-element)
	1355	(org-no-properties (org-element-interpret-data data))))
	1356
	1357	;;;###autoload
	1358	(defun org-dblock-write:columnview (params)
	1359	"Write the column view table.
	1360	PARAMS is a property list of parameters:
	1361
	1362	:id the :ID: property of the entry where the columns view
	1363	should be built. When the symbol `local', call locally.
	1364	When `global' call column view with the cursor at the beginning
	1365	of the buffer (usually this means that the whole buffer switches
	1366	to column view). When \"file:path/to/file.org\", invoke column
	1367	view at the start of that file. Otherwise, the ID is located
	1368	using `org-id-find'.
	1369	:hlines When t, insert a hline before each item. When a number, insert
	1370	a hline before each level <= that number.
	1371	:indent When non-nil, indent each ITEM field according to its level.
	1372	:vlines When t, make each column a colgroup to enforce vertical lines.
	1373	:maxlevel When set to a number, don't capture headlines below this level.
	1374	:skip-empty-rows
	1375	When t, skip rows where all specifiers other than ITEM are empty.
	1376	:width apply widths specified in columns format using <N> specifiers.
	1377	:format When non-nil, specify the column view format to use."
	1378	(let ((table
	1379	(let ((id (plist-get params :id))
	1380	view-file view-pos)
	1381	(pcase id
	1382	(`global nil)
	1383	((or `local `nil) (setq view-pos (point)))
	1384	((and (let id-string (format "%s" id))
	1385	(guard (string-match "^file:\$.*\$" id-string)))
	1386	(setq view-file (match-string-no-properties 1 id-string))
	1387	(unless (file-exists-p view-file)
	1388	(user-error "No such file: %S" id-string)))
	1389	((and (let idpos (org-find-entry-with-id id)) (guard idpos))
	1390	(setq view-pos idpos))
	1391	((let `(,filename . ,position) (org-id-find id))
	1392	(setq view-file filename)
	1393	(setq view-pos position))
	1394	(_ (user-error "Cannot find entry with :ID: %s" id)))
	1395	(with-current-buffer (if view-file (get-file-buffer view-file)
	1396	(current-buffer))
	1397	(org-with-wide-buffer
	1398	(when view-pos (goto-char view-pos))
	1399	(org-columns--capture-view (plist-get params :maxlevel)
	1400	(plist-get params :skip-empty-rows)
	1401	(plist-get params :format)
	1402	view-pos))))))
	1403	(when table
	1404	;; Prune level information from the table. Also normalize
	1405	;; headings: remove stars, add indentation entities, if
	1406	;; required, and possibly precede some of them with a horizontal
	1407	;; rule.
	1408	(let ((item-index
	1409	(let ((p (assoc "ITEM" org-columns-current-fmt-compiled)))
	1410	(and p (cl-position p
	1411	org-columns-current-fmt-compiled
	1412	:test #'equal))))
	1413	(hlines (plist-get params :hlines))
	1414	(indent (plist-get params :indent))
	1415	new-table)
	1416	;; Copy header and first rule.
	1417	(push (pop table) new-table)
	1418	(push (pop table) new-table)
	1419	(dolist (row table (setq table (nreverse new-table)))
	1420	(let ((level (car row)))
	1421	(when (and (not (eq (car new-table) 'hline))
	1422	(or (eq hlines t)
	1423	(and (numberp hlines) (<= level hlines))))
	1424	(push 'hline new-table))
	1425	(when item-index
	1426	(let ((item (org-columns--clean-item (nth item-index (cdr row)))))
	1427	(setf (nth item-index (cdr row))
	1428	(if (and indent (> level 1))
	1429	(concat "\\_" (make-string (* 2 (1- level)) ?\s) item)
	1430	item))))
	1431	(push (cdr row) new-table))))
	1432	(when (plist-get params :width)
	1433	(setq table
	1434	(append table
	1435	(list
	1436	(mapcar (lambda (spec)
	1437	(let ((w (nth 2 spec)))
	1438	(if w (format "<%d>" (max 3 w)) "")))
	1439	org-columns-current-fmt-compiled)))))
	1440	(when (plist-get params :vlines)
	1441	(setq table
	1442	(let ((size (length org-columns-current-fmt-compiled)))
	1443	(append (mapcar (lambda (x) (if (eq 'hline x) x (cons "" x)))
	1444	table)
	1445	(list (cons "/" (make-list size "<>")))))))
	1446	(let ((content-lines (org-split-string (plist-get params :content) "\n"))
	1447	recalc)
	1448	;; Insert affiliated keywords before the table.
	1449	(when content-lines
	1450	(while (string-match-p "\\`[ \t]*#\\+" (car content-lines))
	1451	(insert (pop content-lines) "\n")))
	1452	(save-excursion
	1453	;; Insert table at point.
	1454	(insert
	1455	(mapconcat (lambda (row)
	1456	(if (eq row 'hline) "\|-\|"
	1457	(format "\|%s\|" (mapconcat #'identity row "\|"))))
	1458	table
	1459	"\n"))
	1460	;; Insert TBLFM lines following table.
	1461	(let ((case-fold-search t))
	1462	(dolist (line content-lines)
	1463	(when (string-match-p "\\`[ \t]*#\\+TBLFM:" line)
	1464	(insert "\n" line)
	1465	(unless recalc (setq recalc t))))))
	1466	(when recalc (org-table-recalculate 'all t))
	1467	(org-table-align)))))
	1468
	1469	;;;###autoload
	1470	(defun org-columns-insert-dblock ()
	1471	"Create a dynamic block capturing a column view table."
	1472	(interactive)
	1473	(let ((id (completing-read
	1474	"Capture columns (local, global, entry with :ID: property) [local]: "
	1475	(append '(("global") ("local"))
	1476	(mapcar #'list (org-property-values "ID"))))))
	1477	(org-create-dblock
	1478	(list :name "columnview"
	1479	:hlines 1
	1480	:id (cond ((string= id "global") 'global)
	1481	((member id '("" "local")) 'local)
	1482	(id)))))
	1483	(org-update-dblock))
	1484
	1485
	1486
	1487	;;; Column view in the agenda
	1488
	1489	;;;###autoload
	1490	(defun org-agenda-columns ()
	1491	"Turn on or update column view in the agenda."
	1492	(interactive)
	1493	(org-columns-remove-overlays)
	1494	(if (markerp org-columns-begin-marker)
	1495	(move-marker org-columns-begin-marker (point))
	1496	(setq org-columns-begin-marker (point-marker)))
	1497	(let* ((org-columns--time (float-time (current-time)))
	1498	(fmt
	1499	(cond
	1500	((bound-and-true-p org-agenda-overriding-columns-format))
	1501	((let ((m (org-get-at-bol 'org-hd-marker)))
	1502	(and m
	1503	(or (org-entry-get m "COLUMNS" t)
	1504	(with-current-buffer (marker-buffer m)
	1505	org-columns-default-format)))))
	1506	((and (local-variable-p 'org-columns-current-fmt)
	1507	org-columns-current-fmt))
	1508	((let ((m (next-single-property-change (point-min) 'org-hd-marker)))
	1509	(and m
	1510	(let ((m (get-text-property m 'org-hd-marker)))
	1511	(or (org-entry-get m "COLUMNS" t)
	1512	(with-current-buffer (marker-buffer m)
	1513	org-columns-default-format))))))
	1514	(t org-columns-default-format)))
	1515	(compiled-fmt (org-columns-compile-format fmt)))
	1516	(setq org-columns-current-fmt fmt)
	1517	(when org-agenda-columns-compute-summary-properties
	1518	(org-agenda-colview-compute org-columns-current-fmt-compiled))
	1519	(save-excursion
	1520	;; Collect properties for each headline in current view.
	1521	(goto-char (point-min))
	1522	(let (cache)
	1523	(while (not (eobp))
	1524	(let ((m (org-get-at-bol 'org-hd-marker)))
	1525	(when m
	1526	(push (cons (line-beginning-position)
	1527	;; `org-columns-current-fmt-compiled' is
	1528	;; initialized but only set locally to the
	1529	;; agenda buffer. Since current buffer is
	1530	;; changing, we need to force the original
	1531	;; compiled-fmt there.
	1532	(org-with-point-at m
	1533	(org-columns--collect-values compiled-fmt)))
	1534	cache)))
	1535	(forward-line))
	1536	(when cache
	1537	(org-columns--set-widths cache)
	1538	(org-columns--display-here-title)
	1539	(when (setq-local org-columns-flyspell-was-active
	1540	(bound-and-true-p flyspell-mode))
	1541	(flyspell-mode 0))
	1542	(dolist (entry cache)
	1543	(goto-char (car entry))
	1544	(org-columns--display-here (cdr entry)))
	1545	(when org-agenda-columns-show-summaries
	1546	(org-agenda-colview-summarize cache)))))))
	1547
	1548	(defun org-agenda-colview-summarize (cache)
	1549	"Summarize the summarizable columns in column view in the agenda.
	1550	This will add overlays to the date lines, to show the summary for each day."
	1551	(let ((fmt (mapcar
	1552	(lambda (spec)
	1553	(pcase spec
	1554	(`(,property ,title ,width . ,_)
	1555	(if (member property '("CLOCKSUM" "CLOCKSUM_T"))
	1556	(list property title width ":" nil)
	1557	spec))))
	1558	org-columns-current-fmt-compiled)))
	1559	;; Ensure there's at least one summation column.
	1560	(when (cl-some (lambda (spec) (nth 3 spec)) fmt)
	1561	(goto-char (point-max))
	1562	(catch :complete
	1563	(while t
	1564	(when (or (get-text-property (point) 'org-date-line)
	1565	(eq (get-text-property (point) 'face)
	1566	'org-agenda-structure))
	1567	;; OK, this is a date line that should be used.
	1568	(let (entries)
	1569	(let (rest)
	1570	(dolist (c cache)
	1571	(if (> (car c) (point))
	1572	(push c entries)
	1573	(push c rest)))
	1574	(setq cache rest))
	1575	;; ENTRIES contains entries below the current one.
	1576	;; CACHE is the rest. Compute the summaries for the
	1577	;; properties we want, set nil properties for the rest.
	1578	(when (setq entries (mapcar #'cdr entries))
	1579	(org-columns--display-here
	1580	(mapcar
	1581	(lambda (spec)
	1582	(pcase spec
	1583	(`("ITEM" . ,_)
	1584	;; Replace ITEM with current date. Preserve
	1585	;; properties for fontification.
	1586	(let ((date (buffer-substring
	1587	(line-beginning-position)
	1588	(line-end-position))))
	1589	(list spec date date)))
	1590	(`(,_ ,_ ,_ nil ,_) (list spec "" ""))
	1591	(`(,_ ,_ ,_ ,operator ,printf)
	1592	(let* ((summarize (org-columns--summarize operator))
	1593	(values
	1594	;; Use real values for summary, not
	1595	;; those prepared for display.
	1596	(delq nil
	1597	(mapcar
	1598	(lambda (e) (org-string-nw-p
	1599	(nth 1 (assoc spec e))))
	1600	entries)))
	1601	(final (if values
	1602	(funcall summarize values printf)
	1603	"")))
	1604	(unless (equal final "")
	1605	(put-text-property 0 (length final)
	1606	'face 'bold final))
	1607	(list spec final final)))))
	1608	fmt)
	1609	'dateline)
	1610	(setq-local org-agenda-columns-active t))))
	1611	(if (bobp) (throw :complete t) (forward-line -1)))))))
	1612
	1613	(defun org-agenda-colview-compute (fmt)
	1614	"Compute the relevant columns in the contributing source buffers."
	1615	(dolist (file org-agenda-contributing-files)
	1616	(let ((b (find-buffer-visiting file)))
	1617	(with-current-buffer (or (buffer-base-buffer b) b)
	1618	(org-with-wide-buffer
	1619	(org-with-silent-modifications
	1620	(remove-text-properties (point-min) (point-max) '(org-summaries t)))
	1621	(goto-char (point-min))
	1622	(org-columns-get-format-and-top-level)
	1623	(dolist (spec fmt)
	1624	(let ((prop (car spec)))
	1625	(cond
	1626	((equal prop "CLOCKSUM") (org-clock-sum))
	1627	((equal prop "CLOCKSUM_T") (org-clock-sum-today))
	1628	((and (nth 3 spec)
	1629	(let ((a (assoc prop org-columns-current-fmt-compiled)))
	1630	(equal (nth 3 a) (nth 3 spec))))
	1631	(org-columns-compute prop))))))))))
	1632
	1633
	1634	(provide 'org-colview)
	1635
	1636	;;; org-colview.el ends here