469 lines
22 KiB
EmacsLisp
469 lines
22 KiB
EmacsLisp
;; -*- lexical-binding: t; -*-
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;;; Commentary:
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;; This is just a proof-of-concept for how the agenda code might be
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;; written in a more functional way, to avoid making multiple passes
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;; through each file when building a multi-day agenda.
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;; Unfortunately, however, it's more like a proof-of-nope, because
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;; it's significantly slower than the existing agenda code. Profiling
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;; shows that =org-element-parse-buffer= is just not a fast function,
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;; so most of the time spent is in that function, parsing the whole
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;; buffer into a lisp tree. The existing agenda code is not written
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;; in a functional style, and it makes multiple passes through each
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;; file when preparing a multi-day agenda view, but it avoids parsing
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;; the /entire/ buffer the way =org-element-parse-buffer= does.
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;; So I guess this approach won't work, unless someone can come up
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;; with a version of =org-element-parse-buffer= that's about 10x
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;; faster.
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;;;; Principles
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;;;;; Work on elements
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;; We want to work on elements as returned by =org-element-parse-buffer=. We only convert to strings at the very end, when we send the list of those to =org-agenda-finalize-entries=.
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;;;;; Preserve the call to =org-agenda-finalize-entries=
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;; We want to preserve the final call to =org-agenda-finalize-entries= to preserve compatibility with other packages and functions.
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;;; Code:
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(require 'org)
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(require 'org-agenda)
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(require 'dash)
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(require 'cl-lib)
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(require 'seq)
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;;;; Macros
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(defmacro org-agenda-ng--flet (fns &rest body)
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(declare (indent defun))
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`(cl-letf ,(cl-loop for (fn def) in fns
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collect `((symbol-function ',fn)
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,def))
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,@body))
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(cl-defun org-agenda-ng--test-lambda (&key all any none)
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;; Not actually a macro, but...
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`(lambda ()
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(and ,@(-non-nil (list (when all
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`(and ,@(--map (cl-typecase it
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(function (list it))
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(cons `(apply #',(car it) ',(cdr it))))
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all)))
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(when any
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`(or ,@(--map (cl-typecase it
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(function (list it))
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(cons `(apply #',(car it) ',(cdr it))))
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any)))
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(when none
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`(not (or ,@(--map (cl-typecase it
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(function (list it))
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(cons `(apply #',(car it) ',(cdr it))))
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none)))))))))
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(cl-defmacro org-agenda-ng (files &rest pred)
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(declare (indent defun))
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`(org-agenda-ng--agenda :files ,files
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:pred (lambda ()
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,@pred)))
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;;;; Tests
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(defun org-agenda-ng--test-test.org (&rest args)
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;; Helper function
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(apply #'org-agenda-ng--agenda :files '("~/src/emacs/org-super-agenda/test/test.org")
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args))
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(defun org-agenda-ng--test-agenda ()
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(interactive)
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(org-agenda-ng--test-test.org
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:any '((org-agenda-ng--todo-p "TODO")
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(org-agenda-ng--date-p :deadline < "2017-08-05"))))
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(defun org-agenda-ng--test-agenda2 ()
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(interactive)
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(org-agenda-ng--test-test.org
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:any `((org-agenda-ng--date-p :date <= ,(org-today))
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(org-agenda-ng--date-p :deadline <= ,(+ org-deadline-warning-days (org-today)))
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(org-agenda-ng--date-p :scheduled <= ,(org-today)))
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:none `((org-agenda-ng--todo-p org-done-keywords))))
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(defun org-agenda-ng--test-agenda3 ()
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(interactive)
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(org-agenda-ng--test-test.org
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:any `((org-agenda-ng--date-p :date <= ,(org-today))
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(org-agenda-ng--date-p :deadline <= ,(+ org-deadline-warning-days (org-today)))
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(org-agenda-ng--date-p :scheduled <= ,(org-today)))
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:none `((org-agenda-ng--todo-p org-done-keywords))))
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(defun org-agenda-ng--test-agenda-today ()
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(interactive)
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(org-agenda-ng--agenda
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:files "~/src/emacs/org-super-agenda/test/test.org"
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:any `((org-agenda-ng--date-p :date <= ,(org-today))
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(org-agenda-ng--date-p :deadline <= ,(+ org-deadline-warning-days (org-today)))
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(org-agenda-ng--date-p :scheduled <= ,(org-today)))
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:none `((org-agenda-ng--todo-p org-done-keywords))))
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(defun org-agenda-ng--test-agenda-today ()
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(interactive)
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(org-agenda-ng--agenda
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:files "~/src/emacs/org-super-agenda/test/test.org"
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:any `((org-agenda-ng--date-p :date <= ,(org-today))
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(org-agenda-ng--date-p :deadline <= ,(+ org-deadline-warning-days (org-today)))
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(org-agenda-ng--date-p :scheduled <= ,(org-today)))
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:none `((org-agenda-ng--todo-p org-done-keywords))))
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(defun org-agenda-ng--test-agenda-today ()
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(interactive)
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(org-agenda-ng--agenda
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:files org-agenda-files
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:any `((org-agenda-ng--date-p :date <= ,(org-today))
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(org-agenda-ng--date-p :deadline <= ,(+ org-deadline-warning-days (org-today)))
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(org-agenda-ng--date-p :scheduled <= ,(org-today)))
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:none `((org-agenda-ng--todo-p org-done-keywords))))
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(defun org-agenda-ng--test-todo-list ()
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(interactive)
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(org-agenda-ng--test-test.org
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:any '(org-agenda-ng--todo-p)
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:none '((org-agenda-ng--todo-p org-done-keywords))))
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;;;; Commands
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(cl-defun org-agenda-ng--agenda (&key files all any none pred)
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(unless files
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(setq files (buffer-file-name (current-buffer))))
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(unless (listp files)
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(setq files (list files)))
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(mapc 'find-file-noselect files)
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(let* ((org-use-tag-inheritance t)
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(entries (-flatten
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(--map (with-current-buffer (find-buffer-visiting it)
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;; FIXME: It would be more optimal to
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;; gather the entry at each matching
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;; position instead of returning a list of
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;; positions and then having to go back
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;; and get the entries at each position.
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(let* ((positions (org-agenda-ng--filter-buffer :all all :any any :none none :pred pred))
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(elements (--map (org-with-point-at it
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(org-element-headline-parser
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;; FIXME: This is a hack
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(save-excursion
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(forward-line 3)
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(point))))
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positions)))
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(mapcar #'org-agenda-ng--format-element elements)))
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files)))
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(result-string (org-agenda-finalize-entries entries 'agenda))
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(target-buffer (get-buffer-create "test-agenda-ng")))
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(with-current-buffer target-buffer
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(read-only-mode -1)
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(erase-buffer)
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(insert result-string)
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(read-only-mode 1)
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(pop-to-buffer (current-buffer))
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(org-agenda-finalize))))
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;;;; Functions
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(cl-defun org-agenda-ng--heading-positions (file)
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"Return list of heading positions in FILE."
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(with-current-buffer (find-buffer-visiting file)
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(save-excursion
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(goto-char (point-min))
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(cl-loop initially do (when (org-before-first-heading-p)
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(outline-next-heading))
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collect (point)
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while (outline-next-heading)))))
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(cl-defun org-agenda-ng--filter-buffer (&key all any none pred)
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"Return positions of matching headings in current buffer.
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Headings should return non-nil for any ANY-PREDS and nil for all
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NONE-PREDS."
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(org-agenda-ng--flet ((category (lambda (&rest args) (apply #'org-agenda-ng--category-p args)))
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(date (lambda (&rest args) (apply #'org-agenda-ng--date-p args)))
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(habit (lambda (&rest args) (apply #'org-agenda-ng--habit-p args)))
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(todo (lambda (&rest args) (apply #'org-agenda-ng--todo-p args)))
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(tags (lambda (&rest args) (apply #'org-agenda-ng--tags-p args))))
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(let* ((our-lambda (when (or all any none)
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(org-agenda-ng--test-lambda :all all :any any :none none)))
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(pred (cond ((and our-lambda pred)
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(lambda ()
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(and (funcall our-lambda)
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(funcall pred))))
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(our-lambda our-lambda)
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(pred pred)
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(t (user-error "No tests given")))))
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(org-with-wide-buffer
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(goto-char (point-min))
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(when (org-before-first-heading-p)
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(outline-next-heading))
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(cl-loop when (funcall pred)
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collect (point)
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while (outline-next-heading))))))
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;;;; Faces/properties
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(defun org-agenda-ng--add-markers (element)
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"Return ELEMENT with marker properties added."
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(let* ((marker (org-agenda-new-marker (org-element-property :begin element)))
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(properties (--> (second element)
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(plist-put it :org-marker marker)
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(plist-put it :org-hd-marker marker))))
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(setf (second element) properties)
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element))
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(defun org-agenda-ng--format-element (element)
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;; This essentially needs to do what `org-agenda-format-item' does,
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;; which is a lot. We are a long way from that, but it's a start.
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"Return ELEMENT as a string with its text-properties set according to its property list.
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Its property list should be the second item in the list, as returned by `org-element-parse-buffer'."
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(let* ((properties (second element))
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;; Remove the :parent property, which so bloats the size of
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;; the properties list that it makes it essentially
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;; impossible to debug, because Emacs takes approximately
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;; forever to show it in the minibuffer or with
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;; `describe-text-properties'. Also, remove ":" from key
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;; symbols.
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(properties (cl-loop for (key val) on properties by #'cddr
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for key = (intern (cl-subseq (symbol-name key) 1))
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unless (member key '(parent))
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append (list key val)))
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(title (--> (org-agenda-ng--add-faces element)
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(org-element-property :raw-value it)
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(org-link-display-format it)
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))
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(todo-keyword (-some--> (org-element-property :todo-keyword element)
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(org-agenda-ng--add-todo-face it)))
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(tag-list (if org-agenda-use-tag-inheritance
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(if-let ((marker (or (org-element-property :org-hd-marker element)
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(org-element-property :org-marker element)
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(org-element-property :begin element))))
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(org-with-point-at marker
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(org-get-tags-at))
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;; No marker found
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(warn "No marker found for item: %s" title)
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(org-element-property :tags element))
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(org-element-property :tags element)))
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(tag-string (-some--> tag-list
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(s-join ":" it)
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(s-wrap it ":")
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(org-add-props it nil 'face 'org-tag)))
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(level (org-element-property :level element))
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(category (org-element-property :category element))
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(priority-string (-some->> (org-element-property :priority element)
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(char-to-string)
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(format "[#%s]")
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(org-agenda-ng--add-priority-face)))
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(habit-property (org-with-point-at (org-element-property :begin element)
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(when (org-is-habit-p)
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(org-habit-parse-todo))))
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(string (s-join " " (list todo-keyword priority-string title tag-string))))
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(remove-list-of-text-properties 0 (length string) '(line-prefix) string)
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;; Add all the necessary properties and faces to the whole string
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(--> string
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(concat " " it)
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(org-add-props it properties
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'todo-state todo-keyword
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'tags tag-list
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'org-habit-p habit-property))))
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(defun org-agenda-ng--add-faces (element)
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(->> element
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(org-agenda-ng--add-scheduled-face)
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(org-agenda-ng--add-deadline-face)))
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(defun org-agenda-ng--add-priority-face (string)
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"Return STRING with priority face added."
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(when (string-match "\\(\\[#\\(.\\)\\]\\)" string)
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(let ((face (org-get-priority-face (string-to-char (match-string 2)))))
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(org-add-props string nil 'face face 'font-lock-fontified t))))
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(defun org-agenda-ng--add-scheduled-face (element)
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"Add faces to ELEMENT's title for its scheduled status."
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(if-let ((scheduled-date (org-element-property :scheduled element)))
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(let* ((today-day-number (org-today))
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(scheduled-day-number (org-time-string-to-absolute
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(org-element-timestamp-interpreter scheduled-date 'ignore)))
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(todo-keyword (org-element-property :todo-keyword element))
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(face (cond
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((member todo-keyword org-done-keywords) 'org-agenda-done)
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((= today-day-number scheduled-day-number) 'org-scheduled-today)
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((> today-day-number scheduled-day-number) 'org-scheduled-previously)
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(t 'org-scheduled)))
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(title (--> (org-element-property :raw-value element)
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(org-add-props it nil
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'face face)))
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(properties (--> (second element)
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(plist-put it :title title))))
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(list (car element)
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properties))
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;; Not scheduled
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element))
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(defun org-agenda-ng--add-scheduled-face (element)
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"Add faces to ELEMENT's title for its scheduled status."
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;; NOTE: Also adding prefix
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(if-let ((scheduled-date (org-element-property :scheduled element)))
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(let* ((show-all (or (eq org-agenda-repeating-timestamp-show-all t)
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(member todo-keyword org-agenda-repeating-timestamp-show-all)))
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(raw-value (org-element-property :raw-value scheduled-date))
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(sexp-p (string-prefix-p "%%" raw-value))
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(today-day-number (org-today))
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(current-day-number
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;; FIXME: This is supposed to be the, shall we say,
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;; pretend, or perspective, day number that this pass
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;; through the agenda is being made for. We need to
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;; either set this in the calling function, set it here,
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;; or accomplish this in a different way. See
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;; `org-agenda-get-scheduled' and where `date' is set in
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;; `org-agenda-list'.
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today-day-number)
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(scheduled-day-number (org-time-string-to-absolute
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(org-element-timestamp-interpreter scheduled-date 'ignore)))
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(repeat-day-number (cond (sexp-p (org-time-string-to-absolute scheduled-date))
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((< today-day-number scheduled-day-number) scheduled-day-number)
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(t (org-time-string-to-absolute
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raw-value
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(if show-all
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current-day-number
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today-day-number)
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'future
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;; FIXME: I don't like
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;; calling `current-buffer'
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;; here. If the element has
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;; a marker, we should use
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;; that.
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(current-buffer)
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(org-element-property :begin element)))))
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(todo-keyword (org-element-property :todo-keyword element))
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(face (cond ((member todo-keyword org-done-keywords) 'org-agenda-done)
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((= today-day-number scheduled-day-number) 'org-scheduled-today)
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((> today-day-number scheduled-day-number) 'org-scheduled-previously)
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(t 'org-scheduled)))
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(title (--> (org-element-property :raw-value element)
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(org-add-props it nil
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'face face)))
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(properties (--> (second element)
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(plist-put it :title title)))
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(prefix (cl-destructuring-bind (first next) org-agenda-scheduled-leaders
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(cond ((> scheduled-day-number today-day-number)
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;; Future
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first)
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((and (not show-all)
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(= repeat today-day-number)))
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((= today-day-number scheduled-day-number)
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;; Today
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first)
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(t
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;; Subsequent reminders. Count from base schedule.
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(format next (1+ (- today-day-number scheduled-day-number))))))))
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(list (car element)
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properties))
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;; Not scheduled
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element))
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(defun org-agenda-ng--add-deadline-face (element)
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"Add faces to ELEMENT's title for its deadline status."
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(if-let ((deadline-date (org-element-property :deadline element)))
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(let* ((today-day-number (org-today))
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(deadline-day-number (org-time-string-to-absolute
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(org-element-timestamp-interpreter deadline-date 'ignore)))
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(todo-keyword (org-element-property :todo-keyword element))
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(done-p (member todo-keyword org-done-keywords))
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(today-p (= today-day-number deadline-day-number))
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(deadline-passed-fraction (--> (- deadline-day-number today-day-number)
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(float it)
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(/ it (max org-deadline-warning-days 1))
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(- 1 it)))
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(face (org-agenda-deadline-face deadline-passed-fraction))
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(title (--> (org-element-property :raw-value element)
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(org-add-props it nil
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'face face)))
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(properties (--> (second element)
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(plist-put it :title title))))
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(list (car element)
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properties))
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;; No deadline
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element))
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(defun org-agenda-ng--add-todo-face (keyword)
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(when-let ((face (org-get-todo-face keyword)))
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(org-add-props keyword nil 'face face)))
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;;;; Predicates
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(defun org-agenda-ng--category-p (&rest categories)
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"Return non-nil if current heading is in one or more of CATEGORIES."
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(when-let ((category (org-get-category (point))))
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(cl-typecase categories
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(null t)
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(otherwise (member category categories)))))
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(defun org-agenda-ng--todo-p (&rest keywords)
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"Return non-nil if current heading is a TODO item.
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With KEYWORDS, return non-nil if its keyword is one of KEYWORDS."
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(when-let ((state (org-get-todo-state)))
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(cl-typecase keywords
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(null t)
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(list (member state keywords))
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(symbol (member state (symbol-value keywords)))
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(otherwise (user-error "Invalid todo keywords: %s" keywords)))))
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(defun org-agenda-ng--tags-p (&rest tags)
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"Return non-nil if current heading has TAGS."
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;; TODO: Try to use `org-make-tags-matcher' to improve performance.
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(when-let ((tags-at (org-get-tags-at (point)
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;; FIXME: Would be nice to not check this for every heading checked.
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(not (member 'agenda org-agenda-use-tag-inheritance)))))
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(cl-typecase tags
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(null t)
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(otherwise (seq-intersection tags tags-at)))))
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(defun org-agenda-ng--date-p (type &optional comparator target-date)
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"Return non-nil if current heading has a date property of TYPE.
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TYPE should be a keyword symbol, like :scheduled or :deadline.
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|
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With COMPARATOR and TARGET-DATE, return non-nil if entry's
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scheduled date compares with TARGET-DATE according to COMPARATOR.
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TARGET-DATE may be a string like \"2017-08-05\", or an integer
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like one returned by `date-to-day'."
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(when-let ((timestamp (pcase type
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(:deadline (org-entry-get (point) "DEADLINE"))
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(:scheduled (org-entry-get (point) "SCHEDULED"))
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(:closed (org-entry-get (point) "CLOSED"))))
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|
(date-element (with-temp-buffer
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|
;; FIXME: Hack: since we're using
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|
;; (org-element-property :type date-element)
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|
;; below, we need this date parsed into an
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|
;; org-element element
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|
(insert timestamp)
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|
(goto-char 0)
|
|
(org-element-timestamp-parser))))
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|
(pcase comparator
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|
;; Not comparing, just checking if it has one
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|
('nil t)
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|
;; Compare dates
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|
((and (pred functionp) (guard target-date))
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|
(let ((target-day-number (cl-typecase target-date
|
|
;; Append time to target-date
|
|
;; because `date-to-day' requires it
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|
(string (date-to-day (concat target-date " 00:00")))
|
|
(integer target-date))))
|
|
(pcase (org-element-property :type date-element)
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|
((or 'active 'inactive)
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|
(funcall comparator
|
|
(org-time-string-to-absolute
|
|
(org-element-timestamp-interpreter date-element 'ignore))
|
|
target-day-number))
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|
(error "Unknown date-element type: %s" (org-element-property :type date-element)))))
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|
(otherwise (error "COMPARATOR (%s) must be a function, and DATE (%s) must be a string" comparator target-date)))))
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|
|
|
(defun org-agenda-ng--habit-p ()
|
|
(org-is-habit-p))
|