doomemacs/modules/lang/org/autoload/org.el
2020-08-20 03:43:50 -04:00

488 lines
18 KiB
EmacsLisp

;;; lang/org/autoload/org.el -*- lexical-binding: t; -*-
;;
;;; Helpers
(defun +org--toggle-inline-images-in-subtree (&optional beg end refresh)
"Refresh inline image previews in the current heading/tree."
(let ((beg (or beg
(if (org-before-first-heading-p)
(line-beginning-position)
(save-excursion (org-back-to-heading) (point)))))
(end (or end
(if (org-before-first-heading-p)
(line-end-position)
(save-excursion (org-end-of-subtree) (point)))))
(overlays (cl-remove-if-not (lambda (ov) (overlay-get ov 'org-image-overlay))
(ignore-errors (overlays-in beg end)))))
(dolist (ov overlays nil)
(delete-overlay ov)
(setq org-inline-image-overlays (delete ov org-inline-image-overlays)))
(when (or refresh (not overlays))
(org-display-inline-images t t beg end)
t)))
(defun +org--insert-item (direction)
(let ((context (org-element-lineage
(org-element-context)
'(table table-row headline inlinetask item plain-list)
t)))
(pcase (org-element-type context)
;; Add a new list item (carrying over checkboxes if necessary)
((or `item `plain-list)
;; Position determines where org-insert-todo-heading and org-insert-item
;; insert the new list item.
(if (eq direction 'above)
(org-beginning-of-item)
(org-end-of-item)
(backward-char))
(org-insert-item (org-element-property :checkbox context))
;; Handle edge case where current item is empty and bottom of list is
;; flush against a new heading.
(when (and (eq direction 'below)
(eq (org-element-property :contents-begin context)
(org-element-property :contents-end context)))
(org-end-of-item)
(org-end-of-line)))
;; Add a new table row
((or `table `table-row)
(pcase direction
('below (save-excursion (org-table-insert-row t))
(org-table-next-row))
('above (save-excursion (org-shiftmetadown))
(+org/table-previous-row))))
;; Otherwise, add a new heading, carrying over any todo state, if
;; necessary.
(_
(let ((level (or (org-current-level) 1)))
;; I intentionally avoid `org-insert-heading' and the like because they
;; impose unpredictable whitespace rules depending on the cursor
;; position. It's simpler to express this command's responsibility at a
;; lower level than work around all the quirks in org's API.
(pcase direction
(`below
(let (org-insert-heading-respect-content)
(goto-char (line-end-position))
(org-end-of-subtree)
(insert "\n" (make-string level ?*) " ")))
(`above
(org-back-to-heading)
(insert (make-string level ?*) " ")
(save-excursion (insert "\n"))))
(when-let* ((todo-keyword (org-element-property :todo-keyword context))
(todo-type (org-element-property :todo-type context)))
(org-todo
(cond ((eq todo-type 'done)
;; Doesn't make sense to create more "DONE" headings
(car (+org-get-todo-keywords-for todo-keyword)))
(todo-keyword)
('todo)))))))
(when (org-invisible-p)
(org-show-hidden-entry))
(when (and (bound-and-true-p evil-local-mode)
(not (evil-emacs-state-p)))
(evil-insert 1))))
(defun +org--get-property (name &optional bound)
(save-excursion
(let ((re (format "^#\\+%s:[ \t]*\\([^\n]+\\)" (upcase name))))
(goto-char (point-min))
(when (re-search-forward re bound t)
(buffer-substring-no-properties (match-beginning 1) (match-end 1))))))
;;;###autoload
(defun +org-get-global-property (name &optional file bound)
"Get a document property named NAME (string) from an org FILE (defaults to
current file). Only scans first 2048 bytes of the document."
(unless bound
(setq bound 256))
(if file
(with-temp-buffer
(insert-file-contents-literally file nil 0 bound)
(+org--get-property name))
(+org--get-property name bound)))
;;;###autoload
(defun +org-get-todo-keywords-for (&optional keyword)
"Returns the list of todo keywords that KEYWORD belongs to."
(when keyword
(cl-loop for (type . keyword-spec)
in (cl-remove-if-not #'listp org-todo-keywords)
for keywords =
(mapcar (lambda (x) (if (string-match "^\\([^(]+\\)(" x)
(match-string 1 x)
x))
keyword-spec)
if (eq type 'sequence)
if (member keyword keywords)
return keywords)))
;;
;;; Modes
;;;###autoload
(define-minor-mode +org-pretty-mode
"Hides emphasis markers and toggles pretty entities."
:init-value nil
:lighter " *"
:group 'evil-org
(setq org-hide-emphasis-markers +org-pretty-mode)
(org-toggle-pretty-entities)
(with-silent-modifications
;; In case the above un-align tables
(org-table-map-tables 'org-table-align t)))
;;
;;; Commands
;;;###autoload
(defun +org/dwim-at-point (&optional arg)
"Do-what-I-mean at point.
If on a:
- checkbox list item or todo heading: toggle it.
- clock: update its time.
- headline: cycle ARCHIVE subtrees, toggle latex fragments and inline images in
subtree; update statistics cookies/checkboxes and ToCs.
- footnote reference: jump to the footnote's definition
- footnote definition: jump to the first reference of this footnote
- table-row or a TBLFM: recalculate the table's formulas
- table-cell: clear it and go into insert mode. If this is a formula cell,
recaluclate it instead.
- babel-call: execute the source block
- statistics-cookie: update it.
- latex fragment: toggle it.
- link: follow it
- otherwise, refresh all inline images in current tree."
(interactive "P")
(let* ((context (org-element-context))
(type (org-element-type context)))
;; skip over unimportant contexts
(while (and context (memq type '(verbatim code bold italic underline strike-through subscript superscript)))
(setq context (org-element-property :parent context)
type (org-element-type context)))
(pcase type
(`headline
(cond ((memq (bound-and-true-p org-goto-map)
(current-active-maps))
(org-goto-ret))
((and (fboundp 'toc-org-insert-toc)
(member "TOC" (org-get-tags)))
(toc-org-insert-toc)
(message "Updating table of contents"))
((string= "ARCHIVE" (car-safe (org-get-tags)))
(org-force-cycle-archived))
((or (org-element-property :todo-type context)
(org-element-property :scheduled context))
(org-todo
(if (eq (org-element-property :todo-type context) 'done)
(or (car (+org-get-todo-keywords-for (org-element-property :todo-keyword context)))
'todo)
'done))))
;; Update any metadata or inline previews in this subtree
(org-update-checkbox-count)
(org-update-parent-todo-statistics)
(when (and (fboundp 'toc-org-insert-toc)
(member "TOC" (org-get-tags)))
(toc-org-insert-toc)
(message "Updating table of contents"))
(let* ((beg (if (org-before-first-heading-p)
(line-beginning-position)
(save-excursion (org-back-to-heading) (point))))
(end (if (org-before-first-heading-p)
(line-end-position)
(save-excursion (org-end-of-subtree) (point))))
(overlays (ignore-errors (overlays-in beg end)))
(latex-overlays
(cl-find-if (lambda (o) (eq (overlay-get o 'org-overlay-type) 'org-latex-overlay))
overlays))
(image-overlays
(cl-find-if (lambda (o) (overlay-get o 'org-image-overlay))
overlays)))
(+org--toggle-inline-images-in-subtree beg end)
(if (or image-overlays latex-overlays)
(org-clear-latex-preview beg end)
(org--latex-preview-region beg end))))
(`clock (org-clock-update-time-maybe))
(`footnote-reference
(org-footnote-goto-definition (org-element-property :label context)))
(`footnote-definition
(org-footnote-goto-previous-reference (org-element-property :label context)))
((or `planning `timestamp)
(org-follow-timestamp-link))
((or `table `table-row)
(if (org-at-TBLFM-p)
(org-table-calc-current-TBLFM)
(ignore-errors
(save-excursion
(goto-char (org-element-property :contents-begin context))
(org-call-with-arg 'org-table-recalculate (or arg t))))))
(`table-cell
(org-table-blank-field)
(org-table-recalculate arg)
(when (and (string-empty-p (string-trim (org-table-get-field)))
(bound-and-true-p evil-local-mode))
(evil-change-state 'insert)))
(`babel-call
(org-babel-lob-execute-maybe))
(`statistics-cookie
(save-excursion (org-update-statistics-cookies arg)))
((or `src-block `inline-src-block)
(org-babel-execute-src-block arg))
((or `latex-fragment `latex-environment)
(org-latex-preview arg))
(`link
(let* ((lineage (org-element-lineage context '(link) t))
(path (org-element-property :path lineage)))
(if (or (equal (org-element-property :type lineage) "img")
(and path (image-type-from-file-name path)))
(+org--toggle-inline-images-in-subtree
(org-element-property :begin lineage)
(org-element-property :end lineage))
(org-open-at-point arg))))
((guard (org-element-property :checkbox (org-element-lineage context '(item) t)))
(let ((match (and (org-at-item-checkbox-p) (match-string 1))))
(org-toggle-checkbox (if (equal match "[ ]") '(16)))))
(_
(if (or (org-in-regexp org-ts-regexp-both nil t)
(org-in-regexp org-tsr-regexp-both nil t)
(org-in-regexp org-link-any-re nil t))
(call-interactively #'org-open-at-point)
(+org--toggle-inline-images-in-subtree
(org-element-property :begin context)
(org-element-property :end context)))))))
;;;###autoload
(defun +org/shift-return (&optional arg)
"Insert a literal newline, or dwim in tables.
Executes `org-table-copy-down' if in table."
(interactive "p")
(if (org-at-table-p)
(org-table-copy-down arg)
(org-return nil arg)))
;; I use these instead of `org-insert-item' or `org-insert-heading' because they
;; impose bizarre whitespace rules depending on cursor location and many
;; settings. These commands have a much simpler responsibility.
;;;###autoload
(defun +org/insert-item-below (count)
"Inserts a new heading, table cell or item below the current one."
(interactive "p")
(dotimes (_ count) (+org--insert-item 'below)))
;;;###autoload
(defun +org/insert-item-above (count)
"Inserts a new heading, table cell or item above the current one."
(interactive "p")
(dotimes (_ count) (+org--insert-item 'above)))
;;;###autoload
(defun +org/toggle-last-clock (arg)
"Toggles last clocked item.
Clock out if an active clock is running (or cancel it if prefix ARG is non-nil).
If no clock is active, then clock into the last item. See `org-clock-in-last' to
see how ARG affects this command."
(interactive "P")
(cond ((org-clocking-p)
(if arg
(org-clock-cancel)
(org-clock-out)))
((and (null org-clock-history)
(or (org-on-heading-p)
(org-at-item-p))
(y-or-n-p "No active clock. Clock in on current item?"))
(org-clock-in))
((org-clock-in-last arg))))
;;; Folds
;;;###autoload
(defalias #'+org/toggle-fold #'+org-cycle-only-current-subtree-h)
;;;###autoload
(defun +org/open-fold ()
"Open the current fold (not but its children)."
(interactive)
(+org/toggle-fold t))
;;;###autoload
(defalias #'+org/close-fold #'outline-hide-subtree)
;;;###autoload
(defun +org/close-all-folds (&optional level)
"Close all folds in the buffer (or below LEVEL)."
(interactive "p")
(outline-hide-sublevels (or level 1)))
;;;###autoload
(defun +org/open-all-folds (&optional level)
"Open all folds in the buffer (or up to LEVEL)."
(interactive "P")
(if (integerp level)
(outline-hide-sublevels level)
(outline-show-all)))
(defun +org--get-foldlevel ()
(let ((max 1))
(save-restriction
(narrow-to-region (window-start) (window-end))
(save-excursion
(goto-char (point-min))
(while (not (eobp))
(org-next-visible-heading 1)
(when (outline-invisible-p (line-end-position))
(let ((level (org-outline-level)))
(when (> level max)
(setq max level))))))
max)))
;;;###autoload
(defun +org/show-next-fold-level (&optional count)
"Decrease the fold-level of the visible area of the buffer. This unfolds
another level of headings on each invocation."
(interactive "p")
(let ((new-level (+ (+org--get-foldlevel) (or count 1))))
(outline-hide-sublevels new-level)
(message "Folded to level %s" new-level)))
;;;###autoload
(defun +org/hide-next-fold-level (&optional count)
"Increase the global fold-level of the visible area of the buffer. This folds
another level of headings on each invocation."
(interactive "p")
(let ((new-level (max 1 (- (+org--get-foldlevel) (or count 1)))))
(outline-hide-sublevels new-level)
(message "Folded to level %s" new-level)))
;;
;;; Hooks
;;;###autoload
(defun +org-indent-maybe-h ()
"Indent the current item (header or item), if possible.
Made for `org-tab-first-hook' in evil-mode."
(interactive)
(cond ((not (and (bound-and-true-p evil-local-mode)
(evil-insert-state-p)))
nil)
((org-at-item-p)
(if (eq this-command 'org-shifttab)
(org-outdent-item-tree)
(org-indent-item-tree))
t)
((org-at-heading-p)
(ignore-errors
(if (eq this-command 'org-shifttab)
(org-promote)
(org-demote)))
t)
((org-in-src-block-p t)
(org-babel-do-in-edit-buffer
(call-interactively #'indent-for-tab-command))
t)
((and (save-excursion
(skip-chars-backward " \t")
(bolp))
(org-in-subtree-not-table-p))
(call-interactively #'tab-to-tab-stop)
t)))
;;;###autoload
(defun +org-yas-expand-maybe-h ()
"Expand a yasnippet snippet, if trigger exists at point or region is active.
Made for `org-tab-first-hook'."
(when (bound-and-true-p yas-minor-mode)
(and (let ((major-mode (if (org-in-src-block-p t)
(org-src-get-lang-mode (org-eldoc-get-src-lang))
major-mode))
(org-src-tab-acts-natively nil) ; causes breakages
;; Smart indentation doesn't work with yasnippet, and painfully slow
;; in the few cases where it does.
(yas-indent-line 'fixed))
(cond ((and (or (not (bound-and-true-p evil-local-mode))
(evil-insert-state-p))
(yas--templates-for-key-at-point))
(yas-expand)
t)
((use-region-p)
(yas-insert-snippet)
t)))
;; HACK Yasnippet breaks org-superstar-mode because yasnippets is
;; overzealous about cleaning up overlays.
(when (bound-and-true-p org-superstar-mode)
(org-superstar-restart)))))
;;;###autoload
(defun +org-cycle-only-current-subtree-h (&optional arg)
"Toggle the local fold at the point, and no deeper.
`org-cycle's standard behavior is to cycle between three levels: collapsed,
subtree and whole document. This is slow, especially in larger org buffer. Most
of the time I just want to peek into the current subtree -- at most, expand
*only* the current subtree.
All my (performant) foldings needs are met between this and `org-show-subtree'
(on zO for evil users), and `org-cycle' on shift-TAB if I need it."
(interactive "P")
(unless (eq this-command 'org-shifttab)
(save-excursion
(org-beginning-of-line)
(let (invisible-p)
(when (and (org-at-heading-p)
(or org-cycle-open-archived-trees
(not (member org-archive-tag (org-get-tags))))
(or (not arg)
(setq invisible-p (outline-invisible-p (line-end-position)))))
(unless invisible-p
(setq org-cycle-subtree-status 'subtree))
(org-cycle-internal-local)
t)))))
;;;###autoload
(defun +org-make-last-point-visible-h ()
"Unfold subtree around point if saveplace places us in a folded region."
(and (not org-inhibit-startup)
(not org-inhibit-startup-visibility-stuff)
(org-invisible-p nil 'folding-only)
(or (not (org-on-heading-p))
(not (member "ARCHIVE" (org-get-tags))))
(ignore-errors
(save-excursion
(outline-previous-visible-heading 1)
(org-show-subtree)))))
;;;###autoload
(defun +org-remove-occur-highlights-h ()
"Remove org occur highlights on ESC in normal mode."
(when org-occur-highlights
(org-remove-occur-highlights)
t))
;;;###autoload
(defun +org-enable-auto-update-cookies-h ()
"Update statistics cookies when saving or exiting insert mode (`evil-mode')."
(when (bound-and-true-p evil-local-mode)
(add-hook 'evil-insert-state-exit-hook #'org-update-parent-todo-statistics nil t))
(add-hook 'before-save-hook #'org-update-parent-todo-statistics nil t))