<?xml version="1.0" encoding="iso-8859-1" ?>
<!DOCTYPE xsl:stylesheet PUBLIC "-//FreeBSD//DTD FreeBSD XSLT 1.0 DTD Fragment//EN"
				"http://www.FreeBSD.org/XML/share/xml/xslt10-freebsd.dtd" [
<!ENTITY title "FreeBSD Past Events">
<!ENTITY rsslink "&base;/events/rss.xml">
<!ENTITY rsstitle "Upcoming FreeBSD Events">
]>

<!-- $FreeBSD$ -->

<!-- Copyright (c) 2003 Simon L. Nielsen <simon@FreeBSD.org>
     Copyright (c) 2008 Murray M Stokely <murray@FreeBSD.org>
     All rights reserved.

     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
     are met:
     1. Redistributions of source code must retain the above copyright
	notice, this list of conditions and the following disclaimer.
     2. Redistributions in binary form must reproduce the above copyright
	notice, this list of conditions and the following disclaimer in the
	documentation and/or other materials provided with the distribution.

     THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     SUCH DAMAGE.
-->

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"
  xmlns:date="http://exslt.org/dates-and-times"
  xmlns="http://www.w3.org/1999/xhtml"
  extension-element-prefixes="date">

  <xsl:import href="http://www.FreeBSD.org/XML/lang/share/xml/libcommon.xsl"/>
  <xsl:import href="http://www.FreeBSD.org/XML/share/xml/xhtml.xsl"/>

  <!-- Do not add last modified date for old news/press -->
  <xsl:variable name="date"/>

  <xsl:param name="pastyears">2003 2004 2005 2006</xsl:param>

  <xsl:key name="event-by-month" match="event"
    use="concat(startdate/year, format-number(startdate/month, '00'))"/>

  <xsl:key name="event-by-country" match="event"
    use="location/country" />

  <xsl:key name="upcoming-event-by-country" match="event[((number(enddate/year) &gt; number(date:year())) or
	    (number(enddate/year) = number(date:year()) and
	     number(enddate/month) &gt; number(date:month-in-year())) or
	    (number(enddate/year) = number(date:year()) and
	     number(enddate/month) = number(date:month-in-year()) and
	     enddate/day &gt;= date:day-in-month()))]"
    use="location/country" />

  <xsl:variable name="charturl" select="'https://chart.googleapis.com/chart?cht=t&amp;chs=400x200&amp;chtm=world&amp;chco=ffffff,ffbe38,600000&amp;chf=bg,s,4D89F9'" />

  <xsl:variable name="title">&title;</xsl:variable>

  <xsl:variable name="rsstitle">&rsstitle;</xsl:variable>

  <xsl:variable name="rsslink">&rsslink;</xsl:variable>

  <xsl:template name="process.content">

  <xsl:variable name="chart-countries">
    <xsl:for-each select="//event[
	generate-id() =
	generate-id(key('event-by-country', location/country)[1])]">
      <xsl:sort select="format-number(count(key('event-by-country', location/country)), '000')" order="descending"/>
        <xsl:value-of select="location/country/@code" />
    </xsl:for-each>
  </xsl:variable>

  <xsl:variable name="chart-country-counts">
    <xsl:for-each select="//event[
	generate-id() =
	generate-id(key('event-by-country', location/country)[1])]">
      <xsl:sort select="format-number(count(key('event-by-country', location/country)), '000')" order="descending"/>
        <xsl:if test="count(key('upcoming-event-by-country', location/country)) != 0">100.0</xsl:if>
        <xsl:if test="count(key('upcoming-event-by-country', location/country)) = 0"><xsl:value-of select="count(key('event-by-country', location/country))" />.0</xsl:if>
        <xsl:if test="position()!=last()">,</xsl:if></xsl:for-each>
  </xsl:variable>

  <xsl:variable name="imageurl"><xsl:value-of select="$charturl"/>&amp;chd=t:<xsl:value-of select="$chart-country-counts"/>&amp;chld=<xsl:value-of select="$chart-countries"/></xsl:variable>

              <div id="sidewrap">
                &nav.community;
                <div id="feedlinks">
                  <ul>
                    <li>
                      <a href="&rsslink;" title="&rsstitle;">
                        RSS 2.0 Feed
                      </a>
                    </li>
                  </ul>
                </div> <!-- FEEDLINKS -->
              </div> <!-- SIDEWRAP -->

	      <div id="contentwrap">
		<h1>&title;</h1>
 	<!--
	     Note the current date to have a reference, if the
	     upcoming/past events are split incorrectly.
	-->
	<xsl:comment>
	  <xsl:text>Generated on: </xsl:text>
	  <xsl:value-of select="concat($curdate.year,
	    format-number($curdate.month, '00'),
	    format-number($curdate.day, '00'))"/>
	</xsl:comment>

	<xsl:for-each select="/events">
		<xsl:call-template name="html-events-list-preface" />

		<xsl:call-template name="html-events-map">
		  <xsl:with-param name="mapurl" select="$imageurl" />
		</xsl:call-template>

<!-- with parameter $year here? -->
		<xsl:call-template name="html-events-list-past-heading" />
	</xsl:for-each>

	<xsl:for-each select="/events/event[generate-id() =
	  generate-id(key('event-by-month', concat(startdate/year,
	    format-number(startdate/month, '00')))[1])
	  and ((number(enddate/year) = $year))]">

	  <xsl:sort select="number(startdate/year)" order="descending"/>
	  <xsl:sort select="format-number(startdate/month, '00')" order="descending"/>
	  <xsl:sort select="format-number(startdate/day, '00')" order="descending"/>

	  <h3>
	    <xsl:attribute name="id">
	      <xsl:text>month:</xsl:text>
	      <xsl:value-of select="concat(startdate/year,
		format-number(startdate/month, '00'))"/>
	    </xsl:attribute>
	    <xsl:call-template name="gen-long-en-month">
	      <xsl:with-param name="nummonth" select="startdate/month"/>
	    </xsl:call-template >
	    <xsl:text> </xsl:text>
	    <xsl:value-of select="startdate/year"/>
	  </h3>

	  <ul>
	    <xsl:for-each select="key('event-by-month',
	      concat(startdate/year, format-number(startdate/month, '00')))">

	      <xsl:sort select="format-number(startdate/day, '00')" order="descending"/>
	      <xsl:apply-templates select="."/>
	    </xsl:for-each>
	  </ul>
	</xsl:for-each>

        <p><a href="events.html">Current Events</a></p>

	<p>Events from past years:</p>

        <ul id="events-past-years">
	<xsl:for-each select="/events">
	<xsl:call-template name="split-string">
          <xsl:with-param name="seperator" select="' '"/>
          <xsl:with-param name="text" select="$pastyears"/>
        </xsl:call-template>
	</xsl:for-each>
        </ul>

	      </div> <!-- contentwrap -->

	      <br class="clearboth" />
  </xsl:template>

  <!-- Template: event -->
  <xsl:template name="eventbody">
      <xsl:attribute name="id">
	<xsl:call-template name="generate-event-anchor"/>
      </xsl:attribute>

      <p>
	<b>
	  <xsl:if test="url">
	    <xsl:apply-templates select="url"/>
	  </xsl:if>
	  <xsl:if test="not(url)">
	    <xsl:value-of select="name"/>
	  </xsl:if>
	</b>
	<xsl:if test="location/site!=''">
	  <xsl:text>, </xsl:text>
	  <xsl:value-of select="location/site"/>
	</xsl:if>
	<xsl:if test="location/city!=''">
	  <xsl:text>, </xsl:text>
	  <xsl:value-of select="location/city"/>
	</xsl:if>
	<xsl:if test="location/state!=''">
	  <xsl:text>, </xsl:text>
	  <xsl:value-of select="location/state"/>
	</xsl:if>
	<xsl:if test="location/country!=''">
	  <xsl:text>, </xsl:text>
	  <xsl:value-of select="location/country"/>
	</xsl:if>
	<br/>
	<em>
	  <xsl:call-template name="gen-date-interval">
	    <xsl:with-param name="startdate" select="startdate" />
	    <xsl:with-param name="enddate" select="enddate" />
	  </xsl:call-template>
	</em><br/>
	<xsl:apply-templates select="description/child::node()" mode="copy.html"/>
      </p>
      <xsl:if test="link">
	<p><xsl:apply-templates select="link"/></p>
      </xsl:if>
  </xsl:template>

  <!-- Template: event -->
  <xsl:template match="event" mode="upcoming">
    <li>
      <xsl:call-template name="eventbody"/>
      <p>Social links: <a rel="nofollow">
        <xsl:attribute name="href">http://upcoming.yahoo.com/search?type=Events&amp;q=<xsl:value-of select="name" />&amp;Search=GO</xsl:attribute>
upcoming</a></p>
    </li>
  </xsl:template>

  <!-- Template: event -->
  <xsl:template match="event">
    <xsl:variable name="lower">abcdefghijklmnopqrstuvwxyz</xsl:variable>
    <xsl:variable name="upper">ABCDEFGHIJKLMNOPQRSTUVWXYZ</xsl:variable>
    <xsl:variable name="name" select="name" />
    <xsl:variable name="lcname" select="translate($name, $upper, $lower)" />

    <li>
      <xsl:call-template name="eventbody"/>
      <p>Social links: <a rel="nofollow">
        <xsl:attribute name="href">http://www.flickr.com/search/?w=all&amp;q=<xsl:value-of select="name" />&amp;m=text</xsl:attribute>
      Flickr</a>, <a rel="nofollow">
        <xsl:attribute name="href">http://blogsearch.google.com/blogsearch?q=<xsl:value-of select="name" /></xsl:attribute>Blog Search</a><xsl:if test="contains($lcname, 'meetbsd') or contains($lcname, 'nycbsdcon')">,
        <a rel="nofollow">
        <xsl:attribute name="href">http://www.youtube.com/results?search_query=bsdconferences+<xsl:value-of select="name" /></xsl:attribute>YouTube</a></xsl:if>.</p>
    </li>
  </xsl:template>

  <!-- Template: link -->
  <xsl:template match="link">
    <xsl:apply-templates select="url"/>
    <xsl:if test="not(position()=last())">
      <xsl:text>&nbsp;</xsl:text>
    </xsl:if>
  </xsl:template>

  <!-- Template: url -->
  <xsl:template match="url">
    <a>
      <xsl:attribute name="href">
	<xsl:if test="@type='freebsd-website'">&base;</xsl:if>
        <xsl:value-of select="."/>
      </xsl:attribute>
      <xsl:value-of select="../name"/>
    </a>
  </xsl:template>

  <xsl:template name="split-string">
    <xsl:param name="seperator"/>
    <xsl:param name="text"/>
    <xsl:variable name="first" select="substring-before($text, $seperator)"/>
    <xsl:choose>
      <xsl:when test="$first or substring-after($text,$seperator)">
        <xsl:if test="$first">
          <li><a>
	    <xsl:attribute name="href">events<xsl:value-of select="$first"/>.html</xsl:attribute>
            <xsl:value-of select="$first" />
          </a></li>
        </xsl:if>
        <xsl:call-template name="split-string">
          <xsl:with-param name="text" select="substring-after($text,$seperator)"/>
          <xsl:with-param name="seperator" select="$seperator"/>
        </xsl:call-template>
      </xsl:when>
      <xsl:otherwise>
          <li><a>
	    <xsl:attribute name="href">events<xsl:value-of select="$text"/>.html</xsl:attribute>
            <xsl:value-of select="$text" />
          </a></li>
      </xsl:otherwise>
    </xsl:choose>
   </xsl:template>
</xsl:stylesheet>