;;; org-inlinetask.el --- Tasks independent of outline hierarchy
-;; Copyright (C) 2009 Free Software Foundation, Inc.
+;; Copyright (C) 2009, 2010 Free Software Foundation, Inc.
;;
;; Author: Carsten Dominik <carsten at orgmode dot org>
;; Keywords: outlines, hypermedia, calendar, wp
;; Homepage: http://orgmode.org
-;; Version: 6.29c
+;; Version: 7.7
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
+
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; and properties. However, these nodes are treated specially by the
;; visibility cycling and export commands.
;;
-;; Visibility cycling exempts these nodes from cycling. So whenever their
+;; Visibility cycling exempts these nodes from cycling. So whenever their
;; parent is opened, so are these tasks. This will only work with
-;; `org-cycle', so if you are also using orther commands to show/hide
+;; `org-cycle', so if you are also using other commands to show/hide
;; entries, you will occasionally find these tasks to behave like
;; all other outline nodes, seemingly splitting the text of the parent
;; into children.
;;
;; Export commands do not treat these nodes as part of the sectioning
;; structure, but as a special inline text that is either removed, or
-;; formatted in some special way.
+;; formatted in some special way. This in handled by
+;; `org-inlinetask-export' and `org-inlinetask-export-templates'
+;; variables.
;;
;; Special fontification of inline tasks, so that they can be immediately
;; recognized. From the stars of the headline, only the first and the
;; An inline task is identified solely by a minimum outline level, given
;; by the variable `org-inlinetask-min-level', default 15.
;;
-;; Inline tasks are normally assumed to contain at most a time planning
-;; line (DEADLINE etc) after it, and then any number of drawers, for
-;; example LOGBOOK of PROPERTIES. No empty lines are allowed.
-;; If you need to have normal text as part of an inline task, you
-;; can do so by adding an "END" headline with the same number of stars,
-;; for example
+;; If you need to have a time planning line (DEADLINE etc), drawers,
+;; for example LOGBOOK of PROPERTIES, or even normal text as part of
+;; the inline task, you must add an "END" headline with the same
+;; number of stars.
+;;
+;; As an example, here are two valid inline tasks:
+;;
+;; **************** TODO a small task
;;
-;; **************** TODO some small task
+;; and
+;;
+;; **************** TODO another small task
;; DEADLINE: <2009-03-30 Mon>
;; :PROPERTIES:
;; :SOMETHING: or other
;; Also, if you want to use refiling and archiving for inline tasks,
;; The END line must be present to make things work properly.
;;
-;; This package installs one new comand:
+;; This package installs one new command:
;;
;; C-c C-x t Insert a new inline task with END line
-
-;;; Code
+;;; Code:
(require 'org)
or to a number smaller than this one. In fact, when `org-cycle-max-level' is
not set, it will be assumed to be one less than the value of smaller than
the value of this variable."
+ :group 'org-inlinetask
+ :type '(choice
+ (const :tag "Off" nil)
+ (integer)))
+
+(defcustom org-inlinetask-export t
+ "Non-nil means export inline tasks.
+When nil, they will not be exported."
:group 'org-inlinetask
:type 'boolean)
-(defcustom org-inlinetask-export 'arrow+content
- "What should be done with inlinetasks upon export?
-Possible values:
+(defvar org-inlinetask-export-templates
+ '((html "<pre class=\"inlinetask\"><b>%s%s</b><br />%s</pre>"
+ '((unless (eq todo "")
+ (format "<span class=\"%s %s\">%s%s</span> "
+ class todo todo priority))
+ heading content))
+ (latex "\\begin\{description\}\n\\item[%s%s]~%s\\end\{description\}"
+ '((unless (eq todo "") (format "\\textsc\{%s%s\} " todo priority))
+ heading content))
+ (ascii " -- %s%s%s"
+ '((unless (eq todo "") (format "%s%s " todo priority))
+ heading
+ (unless (eq content "")
+ (format "\n ¦ %s"
+ (mapconcat 'identity (org-split-string content "\n")
+ "\n ¦ ")))))
+ (docbook "<variablelist>
+<varlistentry>
+<term>%s%s</term>
+<listitem><para>%s</para></listitem>
+</varlistentry>
+</variablelist>"
+ '((unless (eq todo "") (format "%s%s " todo priority))
+ heading content)))
+ "Templates for inline tasks in various exporters.
-nil Remove entirely, headline and \"content\"
-arrow Insert heading in bold, preceeded by an arrow
-arrow+content Insert arrow and headline, add content below in an
- #+begin_example box (ugly, but works for now)
+This variable is an alist in the shape of (BACKEND STRING OBJECTS).
-The \"content\" of an inline task is the material below the planning
-line and any drawers, up to a lines wit the same number of stars,
-but containing only the word END."
- :group 'org-inlinetask
- :group 'org-export-general
- :type '(choice
- (const :tag "Remove entirely" nil)
- (const :tag "Headline preceeded by arrow" arrow)
- (const :tag "Arrow, headline, + content" arrow+content)))
+BACKEND is the name of the backend for the template (ascii, html...).
+
+STRING is a format control string.
+
+OBJECTS is a list of elements to be substituted into the format
+string. They can be of any type, from a string to a form
+returning a value (thus allowing conditional insertion). A nil
+object will be substituted as the empty string. Obviously, there
+must be at least as many objects as %-sequences in the format
+string.
+
+Moreover, the following special keywords are provided: `todo',
+`priority', `heading', `content', `tags'. If some of them are not
+defined in an inline task, their value is the empty string.
+
+As an example, valid associations are:
+
+(html \"<ul><li>%s <p>%s</p></li></ul>\" (heading content))
+
+or, with the additional package \"todonotes\" for LaTeX,
+
+(latex \"\\todo[inline]{\\textbf{\\textsf{%s %s}}\\linebreak{} %s}\"
+ '((unless (eq todo \"\")
+ (format \"\\textsc{%s%s}\" todo priority))
+ heading content)))")
(defvar org-odd-levels-only)
(defvar org-keyword-time-regexp)
(defvar org-complex-heading-regexp)
(defvar org-property-end-re)
-(defun org-inlinetask-insert-task ()
- "Insert an inline task."
- (interactive)
+(defcustom org-inlinetask-default-state nil
+ "Non-nil means make inline tasks have a TODO keyword initially.
+This should be the state `org-inlinetask-insert-task' should use by
+default, or nil of no state should be assigned."
+ :group 'org-inlinetask
+ :type '(choice
+ (const :tag "No state" nil)
+ (string :tag "Specific state")))
+
+(defun org-inlinetask-insert-task (&optional no-state)
+ "Insert an inline task.
+If prefix arg NO-STATE is set, ignore `org-inlinetask-default-state'."
+ (interactive "P")
(or (bolp) (newline))
- (insert (make-string org-inlinetask-min-level ?*) " \n"
- (make-string org-inlinetask-min-level ?*) " END\n")
+ (let ((indent org-inlinetask-min-level))
+ (if org-odd-levels-only
+ (setq indent (- (* 2 indent) 1)))
+ (insert (make-string indent ?*)
+ (if (or no-state (not org-inlinetask-default-state))
+ " \n"
+ (concat " " org-inlinetask-default-state " \n"))
+ (make-string indent ?*) " END\n"))
(end-of-line -1))
(define-key org-mode-map "\C-c\C-xt" 'org-inlinetask-insert-task)
+(defun org-inlinetask-outline-regexp ()
+ "Return string matching an inline task heading.
+The number of levels is controlled by `org-inlinetask-min-level'."
+ (let ((nstars (if org-odd-levels-only
+ (1- (* org-inlinetask-min-level 2))
+ org-inlinetask-min-level)))
+ (format "^\\(\\*\\{%d,\\}\\)[ \t]+" nstars)))
+
+(defun org-inlinetask-at-task-p ()
+ "Return true if point is at beginning of an inline task."
+ (save-excursion
+ (beginning-of-line)
+ (and (looking-at (concat (org-inlinetask-outline-regexp) "\\(.*\\)"))
+ (not (string-match "^end[ \t]*$" (downcase (match-string 2)))))))
+
+(defun org-inlinetask-in-task-p ()
+ "Return true if point is inside an inline task."
+ (save-excursion
+ (beginning-of-line)
+ (let* ((case-fold-search t)
+ (stars-re (org-inlinetask-outline-regexp))
+ (task-beg-re (concat stars-re "\\(?:.*\\)"))
+ (task-end-re (concat stars-re "END[ \t]*$")))
+ (or (org-looking-at-p task-beg-re)
+ (and (re-search-forward "^\\*+[ \t]+" nil t)
+ (progn (beginning-of-line) (org-looking-at-p task-end-re)))))))
+
+(defun org-inlinetask-goto-beginning ()
+ "Go to the beginning of the inline task at point."
+ (end-of-line)
+ (let ((case-fold-search t)
+ (inlinetask-re (org-inlinetask-outline-regexp)))
+ (re-search-backward inlinetask-re nil t)
+ (when (org-looking-at-p (concat inlinetask-re "END[ \t]*$"))
+ (re-search-backward inlinetask-re nil t))))
+
+(defun org-inlinetask-goto-end ()
+ "Go to the end of the inline task at point."
+ (beginning-of-line)
+ (let ((case-fold-search t)
+ (inlinetask-re (org-inlinetask-outline-regexp)))
+ (cond
+ ((org-looking-at-p (concat inlinetask-re "END[ \t]*$"))
+ (forward-line 1))
+ ((org-looking-at-p inlinetask-re)
+ (forward-line 1)
+ (when (org-inlinetask-in-task-p)
+ (re-search-forward inlinetask-re nil t)
+ (forward-line 1)))
+ (t
+ (re-search-forward inlinetask-re nil t)
+ (forward-line 1)))))
+
+(defun org-inlinetask-get-task-level ()
+ "Get the level of the inline task around.
+This assumes the point is inside an inline task."
+ (save-excursion
+ (end-of-line)
+ (re-search-backward (org-inlinetask-outline-regexp) nil t)
+ (- (match-end 1) (match-beginning 1))))
+
+(defun org-inlinetask-promote ()
+ "Promote the inline task at point.
+If the task has an end part, promote it. Also, prevents level from
+going below `org-inlinetask-min-level'."
+ (interactive)
+ (if (not (org-inlinetask-in-task-p))
+ (error "Not in an inline task")
+ (save-excursion
+ (let* ((lvl (org-inlinetask-get-task-level))
+ (next-lvl (org-get-valid-level lvl -1))
+ (diff (- next-lvl lvl))
+ (down-task (concat (make-string next-lvl ?*)))
+ beg)
+ (if (< next-lvl org-inlinetask-min-level)
+ (error "Cannot promote an inline task at minimum level")
+ (org-inlinetask-goto-beginning)
+ (setq beg (point))
+ (replace-match down-task nil t nil 1)
+ (org-inlinetask-goto-end)
+ (if (eobp) (beginning-of-line) (forward-line -1))
+ (unless (= (point) beg)
+ (replace-match down-task nil t nil 1)
+ (when org-adapt-indentation
+ (goto-char beg)
+ (org-fixup-indentation diff))))))))
+
+(defun org-inlinetask-demote ()
+ "Demote the inline task at point.
+If the task has an end part, also demote it."
+ (interactive)
+ (if (not (org-inlinetask-in-task-p))
+ (error "Not in an inline task")
+ (save-excursion
+ (let* ((lvl (org-inlinetask-get-task-level))
+ (next-lvl (org-get-valid-level lvl 1))
+ (diff (- next-lvl lvl))
+ (down-task (concat (make-string next-lvl ?*)))
+ beg)
+ (org-inlinetask-goto-beginning)
+ (setq beg (point))
+ (replace-match down-task nil t nil 1)
+ (org-inlinetask-goto-end)
+ (if (eobp) (beginning-of-line) (forward-line -1))
+ (unless (= (point) beg)
+ (replace-match down-task nil t nil 1)
+ (when org-adapt-indentation
+ (goto-char beg)
+ (org-fixup-indentation diff)))))))
+
+(defvar org-export-current-backend) ; dynamically bound in org-exp.el
(defun org-inlinetask-export-handler ()
"Handle headlines with level larger or equal to `org-inlinetask-min-level'.
Either remove headline and meta data, or do special formatting."
(goto-char (point-min))
- (let* ((nstars (if org-odd-levels-only
- (1- (* 2 (or org-inlinetask-min-level 200)))
- (or org-inlinetask-min-level 200)))
- (re1 (format "^\\(\\*\\{%d,\\}\\) .*\n" nstars))
- (re2 (concat "^[ \t]*" org-keyword-time-regexp))
- headline beg end stars content)
- (while (re-search-forward re1 nil t)
- (setq headline (match-string 0)
- stars (match-string 1)
- content nil)
- (replace-match "")
- (while (looking-at re2)
- (delete-region (point) (1+ (point-at-eol))))
- (while (looking-at org-drawer-regexp)
- (setq beg (point))
- (if (re-search-forward org-property-end-re nil t)
- (delete-region beg (1+ (match-end 0)))))
- (setq beg (point))
- (when (and (re-search-forward "^\\(\\*+\\) " nil t)
- (= (length (match-string 1)) (length stars))
- (progn (goto-char (match-end 0))
- (looking-at "END[ \t]*$")))
- (setq content (buffer-substring beg (1- (point-at-bol))))
- (delete-region beg (1+ (match-end 0))))
+ (let* ((keywords-re (concat "^[ \t]*" org-keyword-time-regexp))
+ (inline-re (concat (org-inlinetask-outline-regexp) ".*")))
+ (while (re-search-forward inline-re nil t)
+ (let ((headline (match-string 0))
+ (beg (point-at-bol))
+ (end (copy-marker (save-excursion
+ (org-inlinetask-goto-end) (point))))
+ content)
+ ;; Delete SCHEDULED, DEADLINE...
+ (while (re-search-forward keywords-re end t)
+ (delete-region (point-at-bol) (1+ (point-at-eol))))
+ (goto-char beg)
+ ;; Delete drawers
+ (while (re-search-forward org-drawer-regexp end t)
+ (when (save-excursion (re-search-forward org-property-end-re nil t))
+ (delete-region beg (1+ (match-end 0)))))
+ ;; Get CONTENT, if any.
+ (goto-char beg)
+ (forward-line 1)
+ (unless (= (point) end)
+ (setq content (buffer-substring (point)
+ (save-excursion (goto-char end)
+ (forward-line -1)
+ (point)))))
+ ;; Remove the task.
(goto-char beg)
- (when (and org-inlinetask-export
- (string-match org-complex-heading-regexp headline))
- (when (memq org-inlinetask-export '(arrow+content arrow))
- (insert "\n\n\\Rightarrow\\Rightarrow\\Rightarrow *"
- (if (match-end 2) (concat (match-string 2 headline) " ") "")
- (match-string 4 headline) "*\n"))
- (when (and content (eq org-inlinetask-export 'arrow+content))
- (insert "#+BEGIN_EXAMPLE\n" content "\n#+END_EXAMPLE\n"))
- (insert "\n")))))
+ (delete-region beg end)
+ (when org-inlinetask-export
+ ;; Format CONTENT, if appropriate.
+ (setq content
+ (if (not (and content (string-match "\\S-" content)))
+ ""
+ ;; Ensure CONTENT has minimal indentation, a single
+ ;; newline character at its boundaries, and isn't
+ ;; protected.
+ (when (string-match "`\\([ \t]*\n\\)+" content)
+ (setq content (substring content (match-end 0))))
+ (when (string-match "[ \t\n]+\\'" content)
+ (setq content (substring content 0 (match-beginning 0))))
+ (org-add-props (concat "\n" (org-remove-indentation content) "\n")
+ '(org-protected nil))))
+ (when (string-match org-complex-heading-regexp headline)
+ (let* ((nil-to-str
+ (function
+ ;; Change nil arguments into empty strings.
+ (lambda (el) (or (eval el) ""))))
+ ;; Set up keywords provided to templates.
+ (todo (or (match-string 2 headline) ""))
+ (class (or (and (eq "" todo) "")
+ (if (member todo org-done-keywords) "done" "todo")))
+ (priority (or (match-string 3 headline) ""))
+ (heading (or (match-string 4 headline) ""))
+ (tags (or (match-string 5 headline) ""))
+ ;; Read `org-inlinetask-export-templates'.
+ (backend-spec (assq org-export-current-backend
+ org-inlinetask-export-templates))
+ (format-str (org-add-props (nth 1 backend-spec)
+ '(org-protected t)))
+ (tokens (cadr (nth 2 backend-spec)))
+ ;; Build export string. Ensure it won't break
+ ;; surrounding lists by giving it arbitrary high
+ ;; indentation.
+ (export-str (org-add-props
+ (eval (append '(format format-str)
+ (mapcar nil-to-str tokens)))
+ '(original-indentation 1000))))
+ (insert export-str)
+ (unless (bolp) (insert "\n")))))))))
+
+(defun org-inlinetask-get-current-indentation ()
+ "Get the indentation of the last non-while line above this one."
+ (save-excursion
+ (beginning-of-line 1)
+ (skip-chars-backward " \t\n")
+ (beginning-of-line 1)
+ (or (org-at-item-p)
+ (looking-at "[ \t]*"))
+ (goto-char (match-end 0))
+ (current-column)))
(defun org-inlinetask-fontify (limit)
"Fontify the inline tasks."
(add-text-properties (match-beginning 3) (match-end 3)
'(face shadow font-lock-fontified t)))))
+(defun org-inlinetask-toggle-visibility ()
+ "Toggle visibility of inline task at point."
+ (let ((end (save-excursion
+ (org-inlinetask-goto-end)
+ (if (bolp) (1- (point)) (point))))
+ (start (save-excursion
+ (org-inlinetask-goto-beginning)
+ (point-at-eol))))
+ (cond
+ ;; Nothing to show/hide.
+ ((= end start))
+ ;; Inlinetask was folded: expand it.
+ ((get-char-property (1+ start) 'invisible)
+ (outline-flag-region start end nil))
+ (t (outline-flag-region start end t)))))
+
(defun org-inlinetask-remove-END-maybe ()
"Remove an END line when present."
(when (looking-at (format "\\([ \t]*\n\\)*\\*\\{%d,\\}[ \t]+END[ \t]*$"
(replace-match "")))
(eval-after-load "org-exp"
- '(add-hook 'org-export-preprocess-after-tree-selection-hook
+ '(add-hook 'org-export-preprocess-before-backend-specifics-hook
'org-inlinetask-export-handler))
(eval-after-load "org"
'(add-hook 'org-font-lock-hook 'org-inlinetask-fontify))