142 lines
4.8 KiB
EmacsLisp
142 lines
4.8 KiB
EmacsLisp
;;; org-checklist.el --- org functions for checklist handling
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;; Copyright (C) 2008 James TD Smith
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;; Author: James TD Smith (@ ahktenzero (. mohorovi cc))
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;; Version: 1.0
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;; Keywords: org, checklists
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;;
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;; This program 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, or (at your option)
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;; any later version.
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;;
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;; This program 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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;;
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;; You should have received a copy of the GNU General Public License
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;; along with this program; if not, write to the Free Software
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;; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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;;; Commentary:
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;; This file provides some functions for handing repeated tasks which involve
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;; checking off a list of items. By setting the RESET_CHECK_BOXES property in an
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;; item, when the TODO state is set to done all checkboxes under that item are
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;; cleared. If the LIST_EXPORT_BASENAME property is set, a file will be created
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;; using the value of that property plus a timestamp, containing all the items
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;; in the list which are not checked. Additionally the user will be prompted to
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;; print the list.
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;;
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;; I use this for to keep track of stores of various things (food stores,
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;; components etc) which I check periodically and use the exported list of items
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;; which are not present as a shopping list.
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;;
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;;; Usage:
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;; (require 'org-checklist)
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;;
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;; Set the RESET_CHECK_BOXES and LIST_EXPORT_BASENAME properties in items as
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;; needed.
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;;
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;;; Code:
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(require 'org)
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(load "a2ps-print" 'no-error)
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(defgroup org-checklist nil
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"Extended checklist handling for org"
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:tag "Org-checklist"
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:group 'org)
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(defcustom org-checklist-export-time-format "%Y%m%d%H%M"
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"The format of timestamp appended to LIST_EXPORT_BASENAME to
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make the name of the export file."
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:link '(function-link format-time-string)
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:group 'org-checklist
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:type 'string)
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(defcustom org-checklist-export-function 'org-export-as-ascii
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"function used to prepare the export file for printing"
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:group 'org-checklist
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:type '(radio (function-item :tag "ascii text" org-export-as-ascii)
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(function-item :tag "HTML" org-export-as-html)
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(function-item :tag "LaTeX" :value org-export-as-latex)
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(function-item :tag "XOXO" :value org-export-as-xoxo)))
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(defcustom org-checklist-export-params nil
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"options for the export function file for printing"
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:group 'org-checklist
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:type '(repeat string))
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(defcustom org-checklist-a2ps-params nil
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"options for a2ps for printing"
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:group 'org-checklist
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:type '(repeat string))
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(defun org-reset-checkbox-state-maybe ()
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"Reset all checkboxes in an entry if the `RESET_CHECK_BOXES' property is set"
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(interactive "*")
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(if (org-entry-get (point) "RESET_CHECK_BOXES")
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(org-reset-checkbox-state-subtree)))
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(defun org-make-checklist-export ()
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"Produce a checklist containing all unchecked items from a list
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of checkbox items"
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(interactive "*")
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(if (org-entry-get (point) "LIST_EXPORT_BASENAME")
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(let* ((export-file (concat (org-entry-get (point) "LIST_EXPORT_BASENAME" nil)
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"-" (format-time-string
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org-checklist-export-time-format)
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".org"))
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(print (case (org-entry-get (point) "PRINT_EXPORT" nil)
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(("" "nil" nil) nil)
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(t t)
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(nil (y-or-n-p "Print list? "))))
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exported-lines
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(title "Checklist export"))
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(save-restriction
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(save-excursion
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(org-narrow-to-subtree)
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(org-update-checkbox-count-maybe)
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(org-show-subtree)
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(goto-char (point-min))
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(when (looking-at org-complex-heading-regexp)
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(setq title (match-string 4)))
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(goto-char (point-min))
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(let ((end (point-max)))
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(while (< (point) end)
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(when (and (org-at-item-checkbox-p)
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(or (string= (match-string 0) "[ ]")
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(string= (match-string 0) "[-]")))
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(add-to-list 'exported-lines (thing-at-point 'line) t))
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(beginning-of-line 2)))
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(set-buffer (get-buffer-create export-file))
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(org-insert-heading)
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(insert (or title export-file) "\n")
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(dolist (entry exported-lines) (insert entry))
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(org-update-checkbox-count-maybe)
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(write-file export-file)
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(if (print)
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(progn (funcall org-checklist-export-function
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org-checklist-export-params)
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(let* ((current-a2ps-switches a2ps-switches)
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(a2ps-switches (append current-a2ps-switches
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org-checklist-a2ps-params)))
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(a2ps-buffer)))))))))
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(defun org-checklist ()
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(when (member state org-done-keywords)
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(org-make-checklist-export)
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(org-reset-checkbox-state-maybe)))
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(add-hook 'org-after-todo-state-change-hook 'org-checklist)
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(provide 'org-checklist)
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;;; org-checklist.el ends here
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