]> code.delx.au - gnu-emacs/blobdiff - lisp/org/org-habit.el
Merge from emacs-24 branch
[gnu-emacs] / lisp / org / org-habit.el
index 93be08ca37bd0f7198723361ba96d8b454153271..6b4776662e26ed14e6910498e2054f1977780559 100644 (file)
@@ -1,11 +1,10 @@
 ;;; org-habit.el --- The habit tracking code for Org-mode
 
-;; Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+;; Copyright (C) 2009-2012 Free Software Foundation, Inc.
 
 ;; Author: John Wiegley <johnw at gnu dot org>
 ;; Keywords: outlines, hypermedia, calendar, wp
 ;; Homepage: http://orgmode.org
-;; Version: 6.35i
 ;;
 ;; This file is part of GNU Emacs.
 ;;
 
 ;; This file contains the habit tracking code for Org-mode
 
+;;; Code:
+
 (require 'org)
 (require 'org-agenda)
+
 (eval-when-compile
-  (require 'cl)
-  (require 'calendar))
+  (require 'cl))
 
 (defgroup org-habit nil
   "Options concerning habit tracking in Org-mode."
@@ -66,6 +67,18 @@ relative to the current effective date."
   :group 'org-habit
   :type 'boolean)
 
+(defcustom org-habit-today-glyph ?!
+  "Glyph character used to identify today."
+  :group 'org-habit
+  :version "24.1"
+  :type 'character)
+
+(defcustom org-habit-completed-glyph ?*
+  "Glyph character used to show completed days on which a task was done."
+  :group 'org-habit
+  :version "24.1"
+  :type 'character)
+
 (defface org-habit-clear-face
   '((((background light)) (:background "#8270f9"))
     (((background dark)) (:background "blue")))
@@ -147,15 +160,17 @@ This list represents a \"habit\" for the rest of this module."
     (assert (org-is-habit-p (point)))
     (let* ((scheduled (org-get-scheduled-time (point)))
           (scheduled-repeat (org-get-repeat org-scheduled-string))
-          (sr-days (org-habit-duration-to-days scheduled-repeat))
           (end (org-entry-end-position))
-          (habit-entry (org-no-properties (nth 5 (org-heading-components))))
-          closed-dates deadline dr-days)
+          (habit-entry (org-no-properties (nth 4 (org-heading-components))))
+          closed-dates deadline dr-days sr-days)
       (if scheduled
          (setq scheduled (time-to-days scheduled))
        (error "Habit %s has no scheduled date" habit-entry))
       (unless scheduled-repeat
-       (error "Habit %s has no scheduled repeat period" habit-entry))
+       (error
+        "Habit '%s' has no scheduled repeat period or has an incorrect one"
+        habit-entry))
+      (setq sr-days (org-habit-duration-to-days scheduled-repeat))
       (unless (> sr-days 0)
        (error "Habit %s scheduled repeat period is less than 1d" habit-entry))
       (when (string-match "/\\([0-9]+[dwmy]\\)" scheduled-repeat)
@@ -166,10 +181,18 @@ This list represents a \"habit\" for the rest of this module."
                   habit-entry scheduled-repeat))
        (setq deadline (+ scheduled (- dr-days sr-days))))
       (org-back-to-heading t)
-      (while (re-search-forward "- State \"DONE\".*\\[\\([^]]+\\)\\]" end t)
-       (push (time-to-days
-              (org-time-string-to-time (match-string-no-properties 1)))
-             closed-dates))
+      (let* ((maxdays (+ org-habit-preceding-days org-habit-following-days))
+            (reversed org-log-states-order-reversed)
+            (search (if reversed 're-search-forward 're-search-backward))
+            (limit (if reversed end (point)))
+            (count 0))
+       (unless reversed (goto-char end))
+       (while (and (< count maxdays)
+                   (funcall search "- State \"DONE\".*\\[\\([^]]+\\)\\]" limit t))
+         (push (time-to-days
+                (org-time-string-to-time (match-string-no-properties 1)))
+               closed-dates)
+         (setq count (1+ count))))
       (list scheduled sr-days deadline dr-days closed-dates))))
 
 (defsubst org-habit-scheduled (habit)
@@ -179,8 +202,10 @@ This list represents a \"habit\" for the rest of this module."
 (defsubst org-habit-deadline (habit)
   (let ((deadline (nth 2 habit)))
     (or deadline
-       (+ (org-habit-scheduled habit)
-          (1- (org-habit-scheduled-repeat habit))))))
+       (if (nth 3 habit)
+           (+ (org-habit-scheduled habit)
+              (1- (org-habit-scheduled-repeat habit)))
+         (org-habit-scheduled habit)))))
 (defsubst org-habit-deadline-repeat (habit)
   (or (nth 3 habit)
       (org-habit-scheduled-repeat habit)))
@@ -191,10 +216,7 @@ This list represents a \"habit\" for the rest of this module."
   "Determine the relative priority of a habit.
 This must take into account not just urgency, but consistency as well."
   (let ((pri 1000)
-       (now (time-to-days
-             (or moment
-                 (time-subtract (current-time)
-                                (list 0 (* 3600 org-extend-today-until) 0)))))
+       (now (if moment (time-to-days moment) (org-today)))
        (scheduled (org-habit-scheduled habit))
        (deadline (org-habit-deadline habit)))
     ;; add 10 for every day past the scheduled date, and subtract for every
@@ -281,15 +303,22 @@ current time."
                       donep)))
             markedp face)
        (if donep
-           (progn
-             (aset graph index ?*)
+           (let ((done-time (time-add
+                             starting
+                             (days-to-time
+                              (- start (time-to-days starting))))))
+
+             (aset graph index org-habit-completed-glyph)
              (setq markedp t)
+             (put-text-property
+              index (1+ index) 'help-echo
+              (format-time-string (org-time-stamp-format) done-time) graph)
              (while (and done-dates
                          (= start (car done-dates)))
                (setq last-done-date (car done-dates)
                      done-dates (cdr done-dates))))
          (if todayp
-             (aset graph index ?!)))
+             (aset graph index org-habit-today-glyph)))
        (setq face (if (or in-the-past-p todayp)
                       (car faces)
                     (cdr faces)))
@@ -307,7 +336,14 @@ current time."
   (let ((inhibit-read-only t) l c
        (buffer-invisibility-spec '(org-link))
        (moment (time-subtract (current-time)
-                              (list 0 (* 3600 org-extend-today-until) 0))))
+                              (list 0 (* 3600 org-extend-today-until) 0)))
+       disabled-overlays)
+    ;; Disable filters; this helps with alignment if there are links.
+    (mapc (lambda (ol)
+           (when (overlay-get ol 'invisible)
+             (overlay-put ol 'invisible nil)
+             (setq disabled-overlays (cons ol disabled-overlays))))
+         (overlays-in (point-min) (point-max)))
     (save-excursion
       (goto-char (if line (point-at-bol) (point-min)))
       (while (not (eobp))
@@ -317,14 +353,15 @@ current time."
            (delete-char (min (+ 1 org-habit-preceding-days
                                 org-habit-following-days)
                              (- (line-end-position) (point))))
-           (insert (org-habit-build-graph
-                    habit
-                    (time-subtract moment
-                                   (days-to-time org-habit-preceding-days))
-                    moment
-                    (time-add moment
-                              (days-to-time org-habit-following-days))))))
-       (forward-line)))))
+           (insert-before-markers
+            (org-habit-build-graph
+             habit
+             (time-subtract moment (days-to-time org-habit-preceding-days))
+             moment
+             (time-add moment (days-to-time org-habit-following-days))))))
+       (forward-line)))
+    (mapc (lambda (ol) (overlay-put ol 'invisible t))
+         disabled-overlays)))
 
 (defun org-habit-toggle-habits ()
   "Toggle display of habits in an agenda buffer."
@@ -340,6 +377,4 @@ current time."
 
 (provide 'org-habit)
 
-;; arch-tag: 64e070d9-bd09-4917-bd44-44465f5ed348
-
 ;;; org-habit.el ends here