Hello,
I have no stylesheet that you can use right away, but I think I have
something that might help you further.
Maybe you want to think about seperating the events, so that you can call
for-each on each case:
Case 1: the events at 12.xx AM. They have to appear first in the list.
Case 2: the events which are not on the twelfth hour, ignoring whether its
PM or AM.
Case 3: the events on 12.xx PM.
This is (imho) possible by creating some new keys.
When you call a for-each for each of these cases, I think it should be
possible to achieve the right order.
BTW: Better use "apply-templates" instead of for-each. I'm quite new with
XSLT so I cannot speak from my own experience, but the professionals in
here mention it everytime someone asks about for-each and you read it in
every FAQ.
I wrote a stylesheet, but I'm not able to make the keys work correctly,
you have to check for yourself whats wrong.
<?xml version="1.0" encoding="ISO-8859-1"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
<xsl:output method="xml" indent="yes"/>
<!-- should select all events for a given date -->
<xsl:key name="events-by-date" match="event"
use="substring(occurrences/occurrence/start,1,10)" />
<!-- should only select the events where
substring(occurrences/occurence/start, 12, 2) != '12' -->
<xsl:key name="events-by-date-main"
match="event[not(contains(substring(occurrences/occurence/start, 12, 2),
'12'))]" use="substring(occurrences/occurrence/start,1,10)" />
<!-- should only select the events where
substring(occurrences/occurence/start, 12, 2) == '12' and
substring(occurrences/occurence/start, 18, 2) == 'AM'-->
<xsl:key name="events-by-date-12am"
match="event[substring(occurrences/occurence/start, 18, 2) = 'AM' and
substring(occurrences/occurence/start, 12, 2) = '12']"
use="substring(occurrences/occurrence/start,1,10)" />
<!-- should only select the events where
substring(occurrences/occurence/start, 12, 2) == '12' and
substring(occurrences/occurence/start, 18, 2) == 'PM'-->
<xsl:key name="events-by-date-12pm"
match="event[substring(occurrences/occurence/start, 18, 2) = 'PM' and
substring(occurrences/occurence/start, 12, 2) = '12']"
use="substring(occurrences/occurrence/start,1,10)" />
<xsl:template match="events">
<root>
<xsl:apply-templates select="event[count(. |
key('events-by-date', substring(occurrences/occurrence/start,1,10))[1])
= 1]">
<xsl:sort
select="substring(occurrences/occurrence/start,1,10)" />
</xsl:apply-templates>
</root>
</xsl:template>
<!-- this template should process all events from the date of the
actual event -->
<xsl:template match="event" >
<comment>selected by 12pm</comment>
<xsl:apply-templates select="key('events-by-date-12pm',
substring(occurrences/occurrence/start,1,10))" mode="sorted">
<xsl:sort order="ascending"
select="substring(occurrences/occurrence/start,15,2)" />
</xsl:apply-templates>
<comment>selected by main</comment>
<xsl:apply-templates select="key('events-by-date-main',
substring(occurrences/occurrence/start,1,10))" mode="sorted">
<xsl:sort order="ascending"
select="substring(occurrences/occurrence/start,18,2)" />
<xsl:sort order="ascending"
select="substring(occurrences/occurrence/start,12,2)" />
<xsl:sort order="ascending"
select="substring(occurrences/occurrence/start,15,2)" />
</xsl:apply-templates>
<comment>selected by 12am</comment>
<xsl:apply-templates select="key('events-by-date-12am',
substring(occurrences/occurrence/start,1,10))" mode="sorted">
<xsl:sort order="ascending"
select="substring(occurrences/occurrence/start,15,2)" />
</xsl:apply-templates>
</xsl:template>
<xsl:template match="event" mode="sorted">
<!-- ... -->
</xsl:template>
</xsl:stylesheet>
Greetings
Christoph
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