[xsl] A Calendar Project...

Subject: [xsl] A Calendar Project...
From: "Karl Stubsjoen" <karl@xxxxxxxxxxxxx>
Date: Sat, 14 Jun 2003 23:34:09 -0700
Hello,
I'm embarking on a calendar project... from the ground up.  So, I have the
luxuray of putting it together any way I like : )
I'm trying to determine the best XML data structure to suit XSLT processing.

Thinking in terms of the XSLT processor:
    1)  I need to be able to create standard 7 day week wide calendar by
30/31 day month view
    2)  I need to be able to create a week view in a vertical and horizontal
display format
    3) As well an assortment of calendar views...

With item # 1 above, the challenge is to create 7 TD's then a new TR... 7
TD's a new TR and so on...
The challenge in general is the grouping of different calendar parts, and
the discovery of first day of week, etc...

Has anyone else done such a project?
I will be building my XML data source from ASP, so I will script it on the
fly in a suitable structure to be processed by XSLT.  I guess my real
question is:  what would be a good XML structure for XSLT processing of a
calendar?

Here is a couple of ideas I had (very prelimary):

<CAL D="2003-06-04">
 <DATE D="2003-05-29" DOW="1" WK="100"/>
 <DATE D="2003-05-30" DOW="2" WK="100"/>
 <DATE D="2003-05-31" DOW="3" WK="100"/>
 <DATE D="2003-06-01" DOW="4" WK="100"/>
 <DATE D="2003-06-02" DOW="5" WK="100"/>
 <DATE D="2003-06-03" DOW="6" WK="100"/>
 <DATE D="2003-06-04" DOW="7" WK="100"/>
    <DATE D="2003-06-05" DOW="1" WK="101"/>
....
</CAL>

Where CAL/@D is the current date (not necessarily todays date but the
selected date)
Where CAL/DATE/@DOW is the day-of-week (sunday..monday..tuesday.. ..)
Where CAL/DATE/@WK is the week of the year

Here is another format:
<CAL D="2003-06-04">
 <WEEK W="100">
     <DATE D="2003-05-29" DOW="1" />
     <DATE D="2003-05-30" DOW="2" />
     <DATE D="2003-05-31" DOW="3" />
     <DATE D="2003-06-01" DOW="4" />
     <DATE D="2003-06-02" DOW="5" />
     <DATE D="2003-06-03" DOW="6" />
     <DATE D="2003-06-04" DOW="7" />
  </WEEK>
  <WEEK W="101">
    <DATE D="2003-06-05" DOW="1">
    ...
</CAL>


Again, the challeng (that I see) is grouping calendar dates into the
different calendar views we are use to seeing.
I've built a calendar before using ASP and recall the struggle I had of
discovering first day of the month... what week day the first day of month
fell on... I recall the "skipping" of non-current month dates, and so on...

Any ideas would be appreciated!  I'm working on this all day today.  Oh, and
if anyone is interested in collaboriting on this project, let me know.

Karl


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