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Re: [Orgmode] [PATCH]add a custom function to get date string in agenda


From: Carsten Dominik
Subject: Re: [Orgmode] [PATCH]add a custom function to get date string in agenda
Date: Wed, 12 Sep 2007 23:17:58 +0200

Hi Levin,

I always wanted this to be configurable, but used to have a strange
time zone problem with this.  Your patch made me look again, and I
think I now understand what the problem was, and it is fixed now.

So I am implementing a slightly different version of you patch.
The new variable org-agenda-format-date can be a format string for
format-time-string, or it can be a function just like you describe it.
This will be in 5.09.

Thanks!

- Carsten

On Sep 12, 2007, at 5:08, Levin wrote:

I have a special need of customizing date string in agenda (the date format string is even not enough because I'd like other date format than Gregorian).
So I add a custom variable org-agenda-date-string-function,
bind it to org-agenda-date-string to preserve current org behaviour.

Then in my org conf file, I add:
(defun my-org-agenda-date-string (date)
  (...))

(setq org-agenda-date-string-function 'my-org-agenda-date-string)

Hope it helps.
--
Levin

diff --git a/lisp/org/org.el b/lisp/org/org.el
index 97bde49..3f6c9b5 100644
--- a/lisp/org/org.el
+++ b/lisp/org/org.el
@@ -2322,6 +2322,15 @@ FIXME: Not used currently, because of timezone
problem."
   :group 'org-agenda-daily/weekly
   :type 'string)

+(defcustom org-agenda-date-string-function
+  'org-agenda-date-string
+  "Function that obtains a string for displaying date in the agenda.
+Used by the daily/weekly agenda and by the timeline.
+
+This function is passed a date and should return a string."
+  :group 'org-agenda-daily/weekly
+  :type 'function)
+
 (defcustom org-agenda-include-diary nil
   "If non-nil, include in the agenda entries from the Emacs Calendar's
diary."
   :group 'org-agenda-daily/weekly
@@ -17565,6 +17574,12 @@ When a buffer is unmodified, it is just killed. When
modified, it is saved
       (or (cdar tbl) (cdr (nth (1- (length org-category-table))
                               org-category-table))))))
 ;;; Agenda timeline
+(defun org-agenda-date-string (date)
+  (format "%-9s %2d %s %4d\n"
+          (calendar-day-name date)
+          (extract-calendar-day date)
+          (calendar-month-name (extract-calendar-month date))
+          (extract-calendar-year date)))

 (defun org-timeline (&optional include-all)
   "Show a time-sorted view of the entries in the current org file.
@@ -17626,10 +17641,8 @@ dates."
                              entry date args)))
        (if (or rtn (equal d today) org-timeline-show-empty-dates)
            (progn
-             (insert (calendar-day-name date) " "
-                     (number-to-string (extract-calendar-day date)) " "
-                     (calendar-month-name (extract-calendar-month date)) " "
-                     (number-to-string (extract-calendar-year date)) "\n")
+              (insert (funcall org-agenda-date-string-function date)
+                      "\n")
 ; FIXME: this gives a timezone problem
 ;            (insert (format-time-string org-agenda-date-format
 ;                                        (calendar-time-from-absolute d 0))
@@ -17806,11 +17819,8 @@ NDAYS defaults to `org-agenda-ndays'."
            (setq rtnall (append rtnall rtn))))
       (if (or rtnall org-agenda-show-all-dates)
          (progn
-           (insert (format "%-9s %2d %s %4d\n"
-                           (calendar-day-name date)
-                           (extract-calendar-day date)
-                           (calendar-month-name (extract-calendar-month date))
-                           (extract-calendar-year date)))
+           (insert (funcall org-agenda-date-string-function date)
+                    "\n")
 ; FIXME: this gives a timezone problem
 ;          (insert (format-time-string org-agenda-date-format
 ;                                      (calendar-time-from-absolute d 0)) "\n")


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--
Carsten Dominik
Sterrenkundig Instituut "Anton Pannekoek"
Universiteit van Amsterdam
Kruislaan 403
NL-1098SJ Amsterdam
phone: +31 20 525 7477





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