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<?xml version="1.0"?>
<!-- Copyright (C) 2004 The Apache Software Foundation. All rights reserved. -->
<!--
This stylesheet generates 'tabs' at the top left of the screen. Tabs are
visual indicators that a certain subsection of the URI space is being browsed.
For example, if we had tabs with paths:
Tab1: ''
Tab2: 'community'
Tab3: 'community/howto'
Tab4: 'community/howto/xmlform/index.html'
Then if the current path was 'community/howto/foo', Tab3 would be highlighted.
The rule is: the tab with the longest path that forms a prefix of the current
path is enabled.
The output of this stylesheet is HTML of the form:
<div class="tab">
...
</div>
which is then merged by site2xhtml.xsl
$Id$
-->
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<!-- ================================================================ -->
<!-- These templates SHOULD be overridden -->
<!-- ================================================================ -->
<!-- Called before first tag -->
<xsl:template name="pre-separator">
</xsl:template>
<!-- Called after last tag -->
<xsl:template name="post-separator">
</xsl:template>
<!-- Called between tags -->
<xsl:template name="separator">
<xsl:text> | </xsl:text>
</xsl:template>
<!--
Note: sub-stylesheets can't do apply-imports here, because it would choose
the 'tags' template and infinitely recurse. Hence call-template used instead.
-->
<!-- Display a selected tab node -->
<xsl:template name="selected">
<xsl:call-template name="base-selected"/>
</xsl:template>
<!-- Display an unselected tab node -->
<xsl:template name="not-selected">
<xsl:call-template name="base-not-selected"/>
</xsl:template>
<!-- ================================================================ -->
<!-- These templates CAN be overridden -->
<!-- ================================================================ -->
<xsl:template match="tabs">
<div class="tab">
<xsl:call-template name="base-tabs"/>
</div>
</xsl:template>
<!-- ================================================================ -->
<!-- These templates SHOULD NOT be overridden -->
<!-- ================================================================ -->
<xsl:param name="path"/>
<xsl:include href="dotdots.xsl"/>
<xsl:include href="tabutils.xsl"/>
<!-- NOTE: Xalan has a bug (race condition?) where sometimes $root is only half-evaluated -->
<xsl:variable name="root">
<xsl:call-template name="dotdots">
<xsl:with-param name="path" select="$path"/>
</xsl:call-template>
</xsl:variable>
<xsl:variable name="skin-img-dir" select="concat(string($root), 'skin/images')"/>
<!--
The longest path of any tab, whose path is a subset of the current URL. Ie,
the path of the 'current' tab.
-->
<xsl:variable name="longest-dir">
<xsl:call-template name="longest-dir">
<xsl:with-param name="tabfile" select="/"/>
</xsl:call-template>
</xsl:variable>
<xsl:variable name="matching-id">
<xsl:call-template name="matching-id">
<xsl:with-param name="tabfile" select="/"/>
</xsl:call-template>
</xsl:variable>
<!-- Called from tabs, after it has written the outer 'div class=tabs' and
any other HTML -->
<xsl:template name="base-tabs">
<xsl:call-template name="pre-separator"/>
<xsl:for-each select="//tab">
<xsl:if test="position()!=1"><xsl:call-template name="separator"/></xsl:if>
<xsl:apply-templates select="."/>
</xsl:for-each>
<xsl:call-template name="post-separator"/>
</xsl:template>
<xsl:template match="tab">
<xsl:choose>
<xsl:when test="@id and @id = $matching-id">
<xsl:call-template name="selected"/>
</xsl:when>
<xsl:when test="not(@id) and @dir = $longest-dir or @href = $longest-dir">
<xsl:call-template name="selected"/>
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="not-selected"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<!-- Called from 'selected' -->
<xsl:template name="base-selected">
<a class="base-selected">
<xsl:attribute name="href">
<xsl:call-template name="calculate-tab-href">
<xsl:with-param name="tab" select="."/>
<xsl:with-param name="path" select="$path"/>
</xsl:call-template>
</xsl:attribute>
<xsl:value-of select="@label"/>
</a>
</xsl:template>
<!-- Called from 'not-selected' -->
<xsl:template name="base-not-selected">
<a class="base-not-selected">
<xsl:attribute name="href">
<xsl:call-template name="calculate-tab-href">
<xsl:with-param name="tab" select="."/>
<xsl:with-param name="path" select="$path"/>
</xsl:call-template>
</xsl:attribute>
<xsl:value-of select="@label"/>
</a>
</xsl:template>
</xsl:stylesheet>
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