Function: org-icalendar--valarm
org-icalendar--valarm is a byte-compiled function defined in
ox-icalendar.el.gz.
Signature
(org-icalendar--valarm ENTRY TIMESTAMP SUMMARY)
Documentation
Create a VALARM component.
ENTRY is the calendar entry triggering the alarm. TIMESTAMP is the start date-time of the entry. SUMMARY defines a short summary or subject for the task.
Return VALARM component as a string, or nil if it isn't allowed.
Source Code
;; Defined in /usr/src/emacs/lisp/org/ox-icalendar.el.gz
(defun org-icalendar--valarm (entry timestamp summary)
"Create a VALARM component.
ENTRY is the calendar entry triggering the alarm. TIMESTAMP is
the start date-time of the entry. SUMMARY defines a short
summary or subject for the task.
Return VALARM component as a string, or nil if it isn't allowed."
;; Create a VALARM entry if the entry is timed. This is not very
;; general in that:
;; (a) only one alarm per entry is defined,
;; (b) only minutes are allowed for the trigger period ahead of the
;; start time,
;; (c) only a DISPLAY action is defined. [ESF]
(let ((alarm-time
(let ((warntime
(org-element-property :APPT_WARNTIME entry)))
(if warntime (string-to-number warntime) nil))))
(and (or (and alarm-time
(> alarm-time 0))
(> org-icalendar-alarm-time 0)
org-icalendar-force-alarm)
(org-element-property :hour-start timestamp)
(format "BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:%s
TRIGGER:-P0DT0H%dM0S
END:VALARM\n"
summary
(cond
((and alarm-time org-icalendar-force-alarm) alarm-time)
((and alarm-time (not (zerop alarm-time))) alarm-time)
(t org-icalendar-alarm-time))))))