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c03c8f0e7c
* lisp/org-habit.el: (org-habit-parse-todo) Don't parse more days than needed. When constructing a consistency graph, org-habit now stops searching for timestamps when the number of matches exceeds the span of time displayed in the graph. This can lead to a significant speedup in agenda construction, especially for entries with many logbook entries. Previously, org-habit would parse all logbook timestamps, even if they numbered in the hundreds.
364 lines
13 KiB
EmacsLisp
364 lines
13 KiB
EmacsLisp
;;; org-habit.el --- The habit tracking code for Org-mode
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;; Copyright (C) 2009, 2010 Free Software Foundation, Inc.
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;; Author: John Wiegley <johnw at gnu dot org>
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;; Keywords: outlines, hypermedia, calendar, wp
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;; Homepage: http://orgmode.org
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;; Version: 7.4
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;;
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;; This file is part of GNU Emacs.
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;;
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;
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;;; Commentary:
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;; This file contains the habit tracking code for Org-mode
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;;; Code:
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(require 'org)
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(require 'org-agenda)
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(eval-when-compile
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(require 'cl))
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(defgroup org-habit nil
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"Options concerning habit tracking in Org-mode."
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:tag "Org Habit"
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:group 'org-progress)
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(defcustom org-habit-graph-column 40
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"The absolute column at which to insert habit consistency graphs.
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Note that consistency graphs will overwrite anything else in the buffer."
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:group 'org-habit
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:type 'integer)
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(defcustom org-habit-preceding-days 21
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"Number of days before today to appear in consistency graphs."
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:group 'org-habit
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:type 'integer)
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(defcustom org-habit-following-days 7
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"Number of days after today to appear in consistency graphs."
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:group 'org-habit
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:type 'integer)
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(defcustom org-habit-show-habits t
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"If non-nil, show habits in agenda buffers."
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:group 'org-habit
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:type 'boolean)
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(defcustom org-habit-show-habits-only-for-today t
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"If non-nil, only show habits on today's agenda, and not for future days.
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Note that even when shown for future days, the graph is always
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relative to the current effective date."
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:group 'org-habit
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:type 'boolean)
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(defface org-habit-clear-face
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'((((background light)) (:background "#8270f9"))
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(((background dark)) (:background "blue")))
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"Face for days on which a task shouldn't be done yet."
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:group 'org-habit
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:group 'org-faces)
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(defface org-habit-clear-future-face
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'((((background light)) (:background "#d6e4fc"))
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(((background dark)) (:background "midnightblue")))
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"Face for future days on which a task shouldn't be done yet."
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:group 'org-habit
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:group 'org-faces)
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(defface org-habit-ready-face
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'((((background light)) (:background "#4df946"))
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(((background dark)) (:background "forestgreen")))
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"Face for days on which a task should start to be done."
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:group 'org-habit
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:group 'org-faces)
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(defface org-habit-ready-future-face
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'((((background light)) (:background "#acfca9"))
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(((background dark)) (:background "darkgreen")))
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"Face for days on which a task should start to be done."
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:group 'org-habit
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:group 'org-faces)
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(defface org-habit-alert-face
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'((((background light)) (:background "#f5f946"))
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(((background dark)) (:background "gold")))
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"Face for days on which a task is due."
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:group 'org-habit
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:group 'org-faces)
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(defface org-habit-alert-future-face
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'((((background light)) (:background "#fafca9"))
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(((background dark)) (:background "darkgoldenrod")))
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"Face for days on which a task is due."
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:group 'org-habit
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:group 'org-faces)
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(defface org-habit-overdue-face
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'((((background light)) (:background "#f9372d"))
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(((background dark)) (:background "firebrick")))
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"Face for days on which a task is overdue."
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:group 'org-habit
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:group 'org-faces)
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(defface org-habit-overdue-future-face
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'((((background light)) (:background "#fc9590"))
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(((background dark)) (:background "darkred")))
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"Face for days on which a task is overdue."
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:group 'org-habit
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:group 'org-faces)
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(defun org-habit-duration-to-days (ts)
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(if (string-match "\\([0-9]+\\)\\([dwmy]\\)" ts)
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;; lead time is specified.
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(floor (* (string-to-number (match-string 1 ts))
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(cdr (assoc (match-string 2 ts)
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'(("d" . 1) ("w" . 7)
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("m" . 30.4) ("y" . 365.25))))))
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(error "Invalid duration string: %s" ts)))
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(defun org-is-habit-p (&optional pom)
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"Is the task at POM or point a habit?"
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(string= "habit" (org-entry-get (or pom (point)) "STYLE")))
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(defun org-habit-parse-todo (&optional pom)
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"Parse the TODO surrounding point for its habit-related data.
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Returns a list with the following elements:
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0: Scheduled date for the habit (may be in the past)
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1: \".+\"-style repeater for the schedule, in days
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2: Optional deadline (nil if not present)
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3: If deadline, the repeater for the deadline, otherwise nil
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4: A list of all the past dates this todo was mark closed
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This list represents a \"habit\" for the rest of this module."
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(save-excursion
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(if pom (goto-char pom))
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(assert (org-is-habit-p (point)))
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(let* ((scheduled (org-get-scheduled-time (point)))
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(scheduled-repeat (org-get-repeat org-scheduled-string))
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(end (org-entry-end-position))
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(habit-entry (org-no-properties (nth 4 (org-heading-components))))
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closed-dates deadline dr-days sr-days)
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(if scheduled
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(setq scheduled (time-to-days scheduled))
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(error "Habit %s has no scheduled date" habit-entry))
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(unless scheduled-repeat
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(error
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"Habit '%s' has no scheduled repeat period or has an incorrect one"
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habit-entry))
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(setq sr-days (org-habit-duration-to-days scheduled-repeat))
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(unless (> sr-days 0)
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(error "Habit %s scheduled repeat period is less than 1d" habit-entry))
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(when (string-match "/\\([0-9]+[dwmy]\\)" scheduled-repeat)
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(setq dr-days (org-habit-duration-to-days
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(match-string-no-properties 1 scheduled-repeat)))
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(if (<= dr-days sr-days)
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(error "Habit %s deadline repeat period is less than or equal to scheduled (%s)"
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habit-entry scheduled-repeat))
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(setq deadline (+ scheduled (- dr-days sr-days))))
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(org-back-to-heading t)
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(let* ((maxdays (+ org-habit-preceding-days org-habit-following-days))
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(reversed org-log-states-order-reversed)
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(search (if reversed 're-search-forward 're-search-backward))
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(limit (if reversed end (point)))
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(count 0))
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(unless reversed (goto-char end))
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(while (and (< count maxdays)
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(funcall search "- State \"DONE\".*\\[\\([^]]+\\)\\]" limit t))
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(push (time-to-days
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(org-time-string-to-time (match-string-no-properties 1)))
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closed-dates)
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(setq count (1+ count))))
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(list scheduled sr-days deadline dr-days closed-dates))))
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(defsubst org-habit-scheduled (habit)
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(nth 0 habit))
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(defsubst org-habit-scheduled-repeat (habit)
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(nth 1 habit))
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(defsubst org-habit-deadline (habit)
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(let ((deadline (nth 2 habit)))
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(or deadline
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(if (nth 3 habit)
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(+ (org-habit-scheduled habit)
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(1- (org-habit-scheduled-repeat habit)))
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(org-habit-scheduled habit)))))
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(defsubst org-habit-deadline-repeat (habit)
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(or (nth 3 habit)
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(org-habit-scheduled-repeat habit)))
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(defsubst org-habit-done-dates (habit)
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(nth 4 habit))
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(defsubst org-habit-get-priority (habit &optional moment)
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"Determine the relative priority of a habit.
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This must take into account not just urgency, but consistency as well."
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(let ((pri 1000)
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(now (if moment (time-to-days moment) (org-today)))
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(scheduled (org-habit-scheduled habit))
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(deadline (org-habit-deadline habit)))
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;; add 10 for every day past the scheduled date, and subtract for every
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;; day before it
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(setq pri (+ pri (* (- now scheduled) 10)))
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;; add 50 if the deadline is today
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(if (and (/= scheduled deadline)
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(= now deadline))
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(setq pri (+ pri 50)))
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;; add 100 for every day beyond the deadline date, and subtract 10 for
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;; every day before it
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(let ((slip (- now (1- deadline))))
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(if (> slip 0)
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(setq pri (+ pri (* slip 100)))
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(setq pri (+ pri (* slip 10)))))
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pri))
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(defun org-habit-get-faces (habit &optional now-days scheduled-days donep)
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"Return faces for HABIT relative to NOW-DAYS and SCHEDULED-DAYS.
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NOW-DAYS defaults to the current time's days-past-the-epoch if nil.
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SCHEDULED-DAYS defaults to the habit's actual scheduled days if nil.
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Habits are assigned colors on the following basis:
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Blue Task is before the scheduled date.
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Green Task is on or after scheduled date, but before the
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end of the schedule's repeat period.
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Yellow If the task has a deadline, then it is after schedule's
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repeat period, but before the deadline.
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Orange The task has reached the deadline day, or if there is
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no deadline, the end of the schedule's repeat period.
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Red The task has gone beyond the deadline day or the
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schedule's repeat period."
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(let* ((scheduled (or scheduled-days (org-habit-scheduled habit)))
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(s-repeat (org-habit-scheduled-repeat habit))
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(scheduled-end (+ scheduled (1- s-repeat)))
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(d-repeat (org-habit-deadline-repeat habit))
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(deadline (if scheduled-days
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(+ scheduled-days (- d-repeat s-repeat))
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(org-habit-deadline habit)))
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(m-days (or now-days (time-to-days (current-time)))))
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(cond
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((< m-days scheduled)
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'(org-habit-clear-face . org-habit-clear-future-face))
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((< m-days deadline)
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'(org-habit-ready-face . org-habit-ready-future-face))
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((= m-days deadline)
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(if donep
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'(org-habit-ready-face . org-habit-ready-future-face)
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'(org-habit-alert-face . org-habit-alert-future-face)))
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(t
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'(org-habit-overdue-face . org-habit-overdue-future-face)))))
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(defun org-habit-build-graph (habit starting current ending)
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"Build a graph for the given HABIT, from STARTING to ENDING.
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CURRENT gives the current time between STARTING and ENDING, for
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the purpose of drawing the graph. It need not be the actual
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current time."
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(let* ((done-dates (sort (org-habit-done-dates habit) '<))
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(scheduled (org-habit-scheduled habit))
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(s-repeat (org-habit-scheduled-repeat habit))
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(start (time-to-days starting))
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(now (time-to-days current))
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(end (time-to-days ending))
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(graph (make-string (1+ (- end start)) ?\ ))
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(index 0)
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last-done-date)
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(while (and done-dates (< (car done-dates) start))
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(setq last-done-date (car done-dates)
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done-dates (cdr done-dates)))
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(while (< start end)
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(let* ((in-the-past-p (< start now))
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(todayp (= start now))
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(donep (and done-dates
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(= start (car done-dates))))
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(faces (if (and in-the-past-p
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(not last-done-date)
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(not (< scheduled now)))
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'(org-habit-clear-face . org-habit-clear-future-face)
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(org-habit-get-faces
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habit start (and in-the-past-p
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(if last-done-date
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(+ last-done-date s-repeat)
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scheduled))
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donep)))
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markedp face)
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(if donep
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(let ((done-time (time-add
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starting
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(days-to-time
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(- start (time-to-days starting))))))
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(aset graph index ?*)
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(setq markedp t)
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(put-text-property
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index (1+ index) 'help-echo
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(format-time-string (org-time-stamp-format) done-time) graph)
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(while (and done-dates
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(= start (car done-dates)))
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(setq last-done-date (car done-dates)
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done-dates (cdr done-dates))))
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(if todayp
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(aset graph index ?!)))
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(setq face (if (or in-the-past-p todayp)
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(car faces)
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(cdr faces)))
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(if (and in-the-past-p
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(not (eq face 'org-habit-overdue-face))
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(not markedp))
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(setq face (cdr faces)))
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(put-text-property index (1+ index) 'face face graph))
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(setq start (1+ start)
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index (1+ index)))
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graph))
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(defun org-habit-insert-consistency-graphs (&optional line)
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"Insert consistency graph for any habitual tasks."
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(let ((inhibit-read-only t) l c
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(buffer-invisibility-spec '(org-link))
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(moment (time-subtract (current-time)
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(list 0 (* 3600 org-extend-today-until) 0))))
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(save-excursion
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(goto-char (if line (point-at-bol) (point-min)))
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(while (not (eobp))
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(let ((habit (get-text-property (point) 'org-habit-p)))
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(when habit
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(move-to-column org-habit-graph-column t)
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(delete-char (min (+ 1 org-habit-preceding-days
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org-habit-following-days)
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(- (line-end-position) (point))))
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(insert (org-habit-build-graph
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habit
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(time-subtract moment
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(days-to-time org-habit-preceding-days))
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moment
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(time-add moment
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(days-to-time org-habit-following-days))))))
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(forward-line)))))
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(defun org-habit-toggle-habits ()
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"Toggle display of habits in an agenda buffer."
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(interactive)
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(org-agenda-check-type t 'agenda)
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(setq org-habit-show-habits (not org-habit-show-habits))
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(org-agenda-redo)
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(org-agenda-set-mode-name)
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(message "Habits turned %s"
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(if org-habit-show-habits "on" "off")))
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(org-defkey org-agenda-mode-map "K" 'org-habit-toggle-habits)
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(provide 'org-habit)
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;; arch-tag: 64e070d9-bd09-4917-bd44-44465f5ed348
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;;; org-habit.el ends here
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