1 files changed, 99 insertions, 0 deletions
diff --git a/kdoctools/docbook/xsl/html/autoidx-ng.xsl b/kdoctools/docbook/xsl/html/autoidx-ng.xsl
new file mode 100644
index 000000000..edcfc937a
--- /dev/null
+++ b/kdoctools/docbook/xsl/html/autoidx-ng.xsl
@@ -0,0 +1,99 @@
+<?xml version="1.0"?>
+<!DOCTYPE xsl:stylesheet [
+
+<!ENTITY lowercase "'abcdefghijklmnopqrstuvwxyz'">
+<!ENTITY uppercase "'ABCDEFGHIJKLMNOPQRSTUVWXYZ'">
+
+<!ENTITY primary   'normalize-space(concat(primary/@sortas, primary[not(@sortas)]))'>
+<!ENTITY secondary 'normalize-space(concat(secondary/@sortas, secondary[not(@sortas)]))'>
+<!ENTITY tertiary  'normalize-space(concat(tertiary/@sortas, tertiary[not(@sortas)]))'>
+
+<!ENTITY sep '" "'>
+<!ENTITY scope 'count(ancestor::node()|$scope) = count(ancestor::node())
+                and ($role = @role or $type = @type or
+                (string-length($role) = 0 and string-length($type) = 0))'>
+]>
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+                xmlns:fo="http://www.w3.org/1999/XSL/Format"
+                version="1.0"
+                xmlns:func="http://exslt.org/functions"
+                exclude-result-prefixes="i"
+                xmlns:i="urn:cz-kosek:functions:index">
+
+<!-- ********************************************************************
+     $Id$
+     ********************************************************************
+
+     This file is part of the DocBook XSL Stylesheet distribution.
+     See ../README or http://docbook.sf.net/ for copyright
+     and other information.
+
+     ******************************************************************** -->
+
+<xsl:include href="../common/autoidx-ng.xsl"/>
+
+<!-- Modified original code is using index group codes instead of just first letter 
+     to gain better grouping -->
+<xsl:template name="generate-index">
+  <xsl:param name="scope" select="(ancestor::book|/)[last()]"/>
+
+  <xsl:variable name="role">
+    <xsl:if test="$index.on.role != 0">
+      <xsl:value-of select="@role"/>
+    </xsl:if>
+  </xsl:variable>
+
+  <xsl:variable name="type">
+    <xsl:if test="$index.on.type != 0">
+      <xsl:value-of select="@type"/>
+    </xsl:if>
+  </xsl:variable>
+
+  <xsl:variable name="terms"
+                select="//indexterm[count(.|key('group-code',
+                                                i:group-index(&primary;))[&scope;][1]) = 1
+                                    and not(@class = 'endofrange')]"/>
+
+  <div class="index">
+    <xsl:apply-templates select="$terms" mode="index-div">
+      <xsl:with-param name="scope" select="$scope"/>
+      <xsl:with-param name="role" select="$role"/>
+      <xsl:with-param name="type" select="$type"/>
+      <xsl:sort select="i:group-index(&primary;)" data-type="number"/>
+    </xsl:apply-templates>
+  </div>
+</xsl:template>
+
+<xsl:template match="indexterm" mode="index-div">
+  <xsl:param name="scope" select="."/>
+  <xsl:param name="role" select="''"/>
+  <xsl:param name="type" select="''"/>
+
+  <xsl:variable name="key"
+                select="i:group-index(&primary;)"/>
+
+  <xsl:variable name="lang">
+    <xsl:call-template name="l10n.language"/>
+  </xsl:variable>
+
+  <xsl:if test="key('group-code', $key)[&scope;]
+                [count(.|key('primary', &primary;)[&scope;][1]) = 1]">
+    <div class="indexdiv">
+      <h3>
+        <xsl:value-of select="i:group-letter($key)"/>
+      </h3>
+      <dl>
+        <xsl:apply-templates select="key('group-code', $key)[&scope;]
+                                     [count(.|key('primary', &primary;)[&scope;][1])=1]"
+                             mode="index-primary">
+          <xsl:sort select="&primary;" lang="{$lang}"/>
+          <xsl:with-param name="scope" select="$scope"/>
+          <xsl:with-param name="role" select="$role"/>
+          <xsl:with-param name="type" select="$type"/>
+        </xsl:apply-templates>
+      </dl>
+    </div>
+  </xsl:if>
+</xsl:template>
+
+</xsl:stylesheet>