[uf-discuss] the role of the X-WR-CALNAME property of iCalendar
ryan at theryanking.com
Sat Jan 12 11:25:48 PST 2008
If it isn't already, could you please document this on http://
On Jan 9, 2008, at 2:58 AM, Barry Cornelius wrote:
> We have been successfully using Brian Suda's xhtml2vcal.xsl
> (available from http://suda.co.uk/projects/X2V/) to transform some
> hCalendar embedded in an Atom 1.0 newsfeed to iCalendar format. It
> is used as part of a local application for generating newsfeeds
> called OXITEMS. After switching from Outlook 2003 to Outlook 2007,
> a colleague is reporting a problem with the iCalendar that OXITEMS
> is generating.
> It appears that if the iCalendar provides an X-WR-CALNAME property,
> Outlook 2007 will not import the event(s) into your main Outlook
> Calendar but it will create a new calendar with a name that is the
> value of the X-WR-CALNAME property.
> Currently, xhtml2vcal.xsl always generates an X-WR-CALNAME property
> and gives it the value of the title element of the input document
> (using an empty string if there is no title element in the input).
> We often provide web pages listing events with iCalendar buttons
> for each event. The aim is to make it easy for a user to import
> details of an event into whatever calendaring system they are
> using. It would be silly if the user got a new calendar every time
> they clicked on an iCalendar button. The OXITEMS system also has
> the ability to send out a message with an iCalendar attachment
> whenever an event item is added to a newsfeed. Again it would be
> silly if the recipient of this message got a new calendar created
> if they opened the attachment.
> Here's an analysis of what happens for various calendar clients.
> If the X-WR-CALNAME property is present, Outlook 2007 behaves as
> (a) If you open an iCalendar file, Outlook 2007 will create a new
> calendar. If you open it again, it will create another new
> calendar (with the same name).
> (b) If, in Outlook 2007, you explicitly import an iCalendar file,
> it will ask you whether you want to create a new calendar or import
> the event(s) into your calendar. If you choose the later, it
> assumes you only have one calendar even though Outlook 2007 allows
> you to create as many calendars as you wish. If instead you choose
> "new calendar", it will create a new calendar. If you repeat the
> import it will create another new calendar with the same name.
> If the X-WR-CALNAME property is absent, Outlook 2007 will import
> the event(s) into your main Outlook Calendar.
> Google Calendar, Outlook 2003 and WebCalendar ignore the contents
> of the
> X-WR-CALNAME property if it is present. If you have more than one
> calendar, Google Calendar allows you to select the calendar you
> want to import into.
> With Apple iCal, you get the same behaviour no matter whether there
> is an X-WR-CALNAME property or not. iCal asks you whether you want
> to import the event(s) into a new calendar or into an existing
> calendar and if the latter it asks which one. This happens both
> when you double-click an iCalendar file and also when you
> explicitly import the file.
> I'm trying to work out what to do:
> (a) continue as now (always providing an X-WR-CALNAME property)
> making it
> an inconvenience for Outlook 2007 users;
> (b) always omit the X-WR-CALNAME property which, for Outlook 2007,
> mean that all the events would go into your main calendar which
> be not what you want;
> (c) include the X-WR-CALNAME property only if there is more than one
> event in the calendar.
> Barry Cornelius Computing Services, University of Oxford
> 13 Banbury Road, Oxford, OX2 6NN, UK
> barry.cornelius at oucs.ox.ac.uk Phone:01865 273267 or +441865 273267
> http://www.barrycornelius.com Reception:273200 Fax:273275
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