<![CDATA[
<?xml version="1.0"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="html"/>
<xsl:template match="/">
<html>
<head>
<title>Course List (sorted)</title>
</head>
<body>
<xsl:apply-templates select="department">
<xsl:with-param name="sort-key">code</xsl:with-param>
</xsl:apply-templates>
<xsl:apply-templates select="department">
<xsl:with-param name="sort-key">title</xsl:with-param>
</xsl:apply-templates>
</body>
</html>
</xsl:template>
<xsl:template match="department">
<xsl:param name="sort-key">code</xsl:param>
<h1><xsl:apply-templates select="name"/></h1>
<xsl:choose>
<xsl:when test="$sort-key='code'">(sorted by course code)</xsl:when>
<xsl:when test="$sort-key='title'">(sorted by course title)</xsl:when>
</xsl:choose>
<table border="1">
<tr>
<th/>
<th>
COURSE CODE
<xsl:if test="$sort-key='code'">(sorted)</xsl:if>
</th>
<th>
TITLE
<xsl:if test="$sort-key='title'">(sorted)</xsl:if>
</th>
</tr>
<xsl:choose>
<xsl:when test="$sort-key='code'">
<xsl:apply-templates select="course">
<xsl:sort select="code"/>
</xsl:apply-templates>
</xsl:when>
<xsl:when test="$sort-key='title'">
<xsl:apply-templates select="course">
<xsl:sort select="title"/>
</xsl:apply-templates>
</xsl:when>
</xsl:choose>
</table>
</xsl:template>
<xsl:template match="code">
<td><xsl:value-of select="."/></td>
</xsl:template>
<xsl:template match="title">
<td><xsl:value-of select="."/></td>
</xsl:template>
<xsl:template match="course">
<tr>
<td><b><xsl:value-of select="position()"/></b></td>
<xsl:apply-templates select="code"/>
<xsl:apply-templates select="title"/>
</tr>
</xsl:template>
</xsl:stylesheet>
]]>