<?xml version="1.0" encoding="UTF-8"?>

<!--
 Licensed to the Apache Software Foundation (ASF) under one
 or more contributor license agreements.  See the NOTICE file
 distributed with this work for additional information
 regarding copyright ownership.  The ASF licenses this file
 to you under the Apache License, Version 2.0 (the
 "License"); you may not use this file except in compliance
 with the License.  You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing,
 software distributed under the License is distributed on an
 "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, either express or implied.  See the License for the
 specific language governing permissions and limitations
 under the License.
-->

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
				xmlns:fo="http://www.w3.org/1999/XSL/Format"
				xmlns:xslthl="http://xslthl.sf.net"
				exclude-result-prefixes="xslthl"
				version='1.0'>

<!-- Use nice graphics for admonitions -->
	<xsl:param name="admon.graphics">'1'</xsl:param>
	<xsl:param name="admon.graphics.path">@file.prefix@@dbf.xsl@/images/</xsl:param>
	<xsl:param name="draft.watermark.image" select="'@file.prefix@@dbf.xsl@/images/draft.png'"/>
	<xsl:param name="paper.type" select="'@paper.type@'"/>

	<xsl:param name="page.margin.top" select="'1cm'"/>
	<xsl:param name="region.before.extent" select="'1cm'"/>
	<xsl:param name="body.margin.top" select="'1.5cm'"/>

	<xsl:param name="body.margin.bottom" select="'1.5cm'"/>
	<xsl:param name="region.after.extent" select="'1cm'"/>
	<xsl:param name="page.margin.bottom" select="'1cm'"/>
	<xsl:param name="title.margin.left" select="'0cm'"/>

<!--###################################################
		Header
	################################################### -->

<!-- More space in the center header for long text -->
	<xsl:attribute-set name="header.content.properties">
		<xsl:attribute name="font-family">
			<xsl:value-of select="$body.font.family"/>
		</xsl:attribute>
		<xsl:attribute name="margin-left">-5em</xsl:attribute>
		<xsl:attribute name="margin-right">-5em</xsl:attribute>
	</xsl:attribute-set>

<!--###################################################
		Table of Contents
	################################################### -->

	<xsl:param name="generate.toc">
		book      toc,title
	</xsl:param>

<!--###################################################
		Custom Header
	################################################### -->

	<xsl:template name="header.content">
		<xsl:param name="pageclass" select="''"/>
		<xsl:param name="sequence" select="''"/>
		<xsl:param name="position" select="''"/>
		<xsl:param name="gentext-key" select="''"/>

		<xsl:variable name="Version">
			<xsl:choose>
				<xsl:when test="//productname">
					<xsl:value-of select="//productname"/><xsl:text> </xsl:text>
				</xsl:when>
				<xsl:otherwise>
					<xsl:text>please define productname in your docbook file!</xsl:text>
				</xsl:otherwise>
			</xsl:choose>
		</xsl:variable>

		<xsl:choose>
			<xsl:when test="$sequence='blank'">
				<xsl:choose>
					<xsl:when test="$position='center'">
						<xsl:value-of select="$Version"/>
					</xsl:when>

					<xsl:otherwise>
						<!-- nop -->
					</xsl:otherwise>
				</xsl:choose>
			</xsl:when>

			<xsl:when test="$pageclass='titlepage'">
				<!-- nop: other titlepage sequences have no header -->
			</xsl:when>

			<xsl:when test="$position='center'">
				<xsl:value-of select="$Version"/>
			</xsl:when>

			<xsl:otherwise>
				<!-- nop -->
			</xsl:otherwise>
		</xsl:choose>
	</xsl:template>

<!--###################################################
		Custom Footer
	################################################### -->

	<xsl:template name="footer.content">
		<xsl:param name="pageclass" select="''"/>
		<xsl:param name="sequence" select="''"/>
		<xsl:param name="position" select="''"/>
		<xsl:param name="gentext-key" select="''"/>

		<xsl:variable name="Version">
			<xsl:choose>
				<xsl:when test="//releaseinfo">
					<xsl:value-of select="//releaseinfo"/>
				</xsl:when>
				<xsl:otherwise>
					<!-- nop -->
				</xsl:otherwise>
			</xsl:choose>
		</xsl:variable>

		<xsl:variable name="Title">
			<xsl:value-of select="//title"/>
		</xsl:variable>

		<xsl:choose>
			<xsl:when test="$sequence='blank'">
				<xsl:choose>
					<xsl:when test="$double.sided != 0 and $position = 'left'">
						<xsl:value-of select="$Version"/>
					</xsl:when>

					<xsl:when test="$double.sided = 0 and $position = 'center'">
						<!-- nop -->
					</xsl:when>

					<xsl:otherwise>
						<fo:page-number/>
					</xsl:otherwise>
				</xsl:choose>
			</xsl:when>

			<xsl:when test="$pageclass='titlepage'">
				<!-- nop: other titlepage sequences have no footer -->
			</xsl:when>

			<xsl:when test="$double.sided != 0 and $sequence = 'even' and $position='left'">
				<fo:page-number/>
			</xsl:when>

			<xsl:when test="$double.sided != 0 and $sequence = 'odd' and $position='right'">
				<fo:page-number/>
			</xsl:when>

			<xsl:when test="$double.sided = 0 and $position='right'">
				<fo:page-number/>
			</xsl:when>

			<xsl:when test="$double.sided != 0 and $sequence = 'odd' and $position='left'">
				<xsl:value-of select="$Version"/>
			</xsl:when>

			<xsl:when test="$double.sided != 0 and $sequence = 'even' and $position='right'">
				<xsl:value-of select="$Version"/>
			</xsl:when>

			<xsl:when test="$double.sided = 0 and $position='left'">
				<xsl:value-of select="$Version"/>
			</xsl:when>

			<xsl:when test="$position='center'">
				<xsl:value-of select="$Title"/>
			</xsl:when>

			<xsl:otherwise>
				<!-- nop -->
			</xsl:otherwise>
		</xsl:choose>
	</xsl:template>

	<xsl:template match="processing-instruction('hard-pagebreak')">
		<fo:block break-before='page'/>
	</xsl:template>

<!--###################################################
		Extensions
	################################################### -->

<!-- These extensions are required for table printing and other stuff -->
	<xsl:param name="use.extensions">1</xsl:param>
	<xsl:param name="tablecolumns.extension">0</xsl:param>
	<xsl:param name="callout.extensions">1</xsl:param>
	<xsl:param name="fop.extensions">1</xsl:param>

<!--###################################################
		Paper & Page Size
	################################################### -->

<!-- Paper type, no headers on blank pages, no double sided printing -->
	<xsl:param name="double.sided">0</xsl:param>
	<xsl:param name="headers.on.blank.pages">0</xsl:param>
	<xsl:param name="footers.on.blank.pages">0</xsl:param>

<!--###################################################
		Fonts & Styles
	################################################### -->

	<xsl:param name="hyphenate">false</xsl:param>

<!-- Default Font size -->
	<xsl:param name="body.font.master">11</xsl:param>
	<xsl:param name="body.font.small">8</xsl:param>

<!-- Line height in body text -->
	<xsl:param name="line-height">1.4</xsl:param>

<!-- Chapter title size -->
	<xsl:attribute-set name="chapter.titlepage.recto.style">
		<xsl:attribute name="text-align">left</xsl:attribute>
		<xsl:attribute name="font-weight">bold</xsl:attribute>
		<xsl:attribute name="font-size">
			<xsl:value-of select="$body.font.master * 1.8"/>
			<xsl:text>pt</xsl:text>
		</xsl:attribute>
	</xsl:attribute-set>

<!-- Why is the font-size for chapters hardcoded in the XSL FO templates?
	 Let's remove it, so this sucker can use our attribute-set only... -->
	<xsl:template match="title" mode="chapter.titlepage.recto.auto.mode">
		<fo:block xmlns:fo="http://www.w3.org/1999/XSL/Format"
				xsl:use-attribute-sets="chapter.titlepage.recto.style">
			<xsl:call-template name="component.title">
			<xsl:with-param name="node" select="ancestor-or-self::chapter[1]"/>
			</xsl:call-template>
		</fo:block>
	</xsl:template>

<!-- Sections 1, 2 and 3 titles have a small bump factor and padding -->
	<xsl:attribute-set name="section.title.level1.properties">
		<xsl:attribute name="space-before.optimum">0.8em</xsl:attribute>
		<xsl:attribute name="space-before.minimum">0.8em</xsl:attribute>
		<xsl:attribute name="space-before.maximum">0.8em</xsl:attribute>
		<xsl:attribute name="font-size">
			<xsl:value-of select="$body.font.master * 1.5"/>
			<xsl:text>pt</xsl:text>
		</xsl:attribute>
		<xsl:attribute name="space-after.optimum">0.1em</xsl:attribute>
		<xsl:attribute name="space-after.minimum">0.1em</xsl:attribute>
		<xsl:attribute name="space-after.maximum">0.1em</xsl:attribute>
	</xsl:attribute-set>
	<xsl:attribute-set name="section.title.level2.properties">
		<xsl:attribute name="space-before.optimum">0.6em</xsl:attribute>
		<xsl:attribute name="space-before.minimum">0.6em</xsl:attribute>
		<xsl:attribute name="space-before.maximum">0.6em</xsl:attribute>
		<xsl:attribute name="font-size">
			<xsl:value-of select="$body.font.master * 1.25"/>
			<xsl:text>pt</xsl:text>
		</xsl:attribute>
		<xsl:attribute name="space-after.optimum">0.1em</xsl:attribute>
		<xsl:attribute name="space-after.minimum">0.1em</xsl:attribute>
		<xsl:attribute name="space-after.maximum">0.1em</xsl:attribute>
	</xsl:attribute-set>
	<xsl:attribute-set name="section.title.level3.properties">
		<xsl:attribute name="space-before.optimum">0.4em</xsl:attribute>
		<xsl:attribute name="space-before.minimum">0.4em</xsl:attribute>
		<xsl:attribute name="space-before.maximum">0.4em</xsl:attribute>
		<xsl:attribute name="font-size">
			<xsl:value-of select="$body.font.master * 1.0"/>
			<xsl:text>pt</xsl:text>
		</xsl:attribute>
		<xsl:attribute name="space-after.optimum">0.1em</xsl:attribute>
		<xsl:attribute name="space-after.minimum">0.1em</xsl:attribute>
		<xsl:attribute name="space-after.maximum">0.1em</xsl:attribute>
	</xsl:attribute-set>
	<xsl:attribute-set name="section.title.level4.properties">
		<xsl:attribute name="space-before.optimum">0.3em</xsl:attribute>
		<xsl:attribute name="space-before.minimum">0.3em</xsl:attribute>
		<xsl:attribute name="space-before.maximum">0.3em</xsl:attribute>
		<xsl:attribute name="font-size">
			<xsl:value-of select="$body.font.master * 0.9"/>
			<xsl:text>pt</xsl:text>
		</xsl:attribute>
		<xsl:attribute name="space-after.optimum">0.1em</xsl:attribute>
		<xsl:attribute name="space-after.minimum">0.1em</xsl:attribute>
		<xsl:attribute name="space-after.maximum">0.1em</xsl:attribute>
	</xsl:attribute-set>

<!-- Use code syntax highlighting -->
	<xsl:param name="highlight.source" select="1"/>
	<xsl:param name="highlight.default.language" select="xml" />

	<xsl:template match='xslthl:keyword'>
		<fo:inline font-weight="bold" color="#7F0055"><xsl:apply-templates/></fo:inline>
	</xsl:template>
	
	<xsl:template match='xslthl:comment'>
		<fo:inline font-style="italic" color="#3F5F5F"><xsl:apply-templates/></fo:inline>
	</xsl:template>

	<xsl:template match='xslthl:oneline-comment'>
		<fo:inline font-style="italic" color="#3F5F5F"><xsl:apply-templates/></fo:inline>
	</xsl:template>

	<xsl:template match='xslthl:multiline-comment'>
		<fo:inline font-style="italic" color="#3F5FBF"><xsl:apply-templates/></fo:inline>
	</xsl:template>

	<xsl:template match='xslthl:tag'>
		<fo:inline  color="#3F7F7F"><xsl:apply-templates/></fo:inline>
	</xsl:template>

	<xsl:template match='xslthl:attribute'>
		<fo:inline color="#7F007F"><xsl:apply-templates/></fo:inline>
	</xsl:template>
	
	<xsl:template match='xslthl:value'>
		<fo:inline color="#2A00FF"><xsl:apply-templates/></fo:inline>
	</xsl:template>

	<xsl:template match='xslthl:string'>
		<fo:inline color="#2A00FF"><xsl:apply-templates/></fo:inline>
	</xsl:template>

<!--###################################################
		Tables
	################################################### -->

	<!-- Some padding inside tables -->
	<xsl:attribute-set name="table.cell.padding">
		<xsl:attribute name="padding-left">4pt</xsl:attribute>
		<xsl:attribute name="padding-right">4pt</xsl:attribute>
		<xsl:attribute name="padding-top">4pt</xsl:attribute>
		<xsl:attribute name="padding-bottom">4pt</xsl:attribute>
	</xsl:attribute-set>

<!-- Only hairlines as frame and cell borders in tables -->
	<xsl:param name="table.frame.border.thickness">0.1pt</xsl:param>
	<xsl:param name="table.cell.border.thickness">0.1pt</xsl:param>

<!--###################################################
		Labels
	################################################### -->

<!-- Label Chapters and Sections (numbering) -->
	<xsl:param name="chapter.autolabel" select="1"/>
	<xsl:param name="section.autolabel" select="1"/>
	<xsl:param name="section.autolabel.max.depth" select="1"/>

	<xsl:param name="section.label.includes.component.label" select="1"/>
	<xsl:param name="table.footnote.number.format" select="'1'"/>

<!--###################################################
		Programlistings
	################################################### -->

<!-- Verbatim text formatting (programlistings) -->
	<xsl:attribute-set name="monospace.verbatim.properties">
		<xsl:attribute name="font-size">
			<xsl:value-of select="$body.font.small * 1.0"/>
			<xsl:text>pt</xsl:text>
		</xsl:attribute>
	</xsl:attribute-set>

	<xsl:attribute-set name="verbatim.properties">
		<xsl:attribute name="space-before.minimum">1em</xsl:attribute>
		<xsl:attribute name="space-before.optimum">1em</xsl:attribute>
		<xsl:attribute name="space-before.maximum">1em</xsl:attribute>
		<xsl:attribute name="space-after.minimum">0.1em</xsl:attribute>
		<xsl:attribute name="space-after.optimum">0.1em</xsl:attribute>
		<xsl:attribute name="space-after.maximum">0.1em</xsl:attribute>

		<xsl:attribute name="border-color">#444444</xsl:attribute>
		<xsl:attribute name="border-style">solid</xsl:attribute>
		<xsl:attribute name="border-width">0.1pt</xsl:attribute>
		<xsl:attribute name="padding-top">0.5em</xsl:attribute>
		<xsl:attribute name="padding-left">0.5em</xsl:attribute>
		<xsl:attribute name="padding-right">0.5em</xsl:attribute>
		<xsl:attribute name="padding-bottom">0.5em</xsl:attribute>
		<xsl:attribute name="margin-left">0.5em</xsl:attribute>
		<xsl:attribute name="margin-right">0.5em</xsl:attribute>
	</xsl:attribute-set>

    <!-- Shade (background) programlistings -->
	<xsl:param name="shade.verbatim">1</xsl:param>
	<xsl:attribute-set name="shade.verbatim.style">
		<xsl:attribute name="background-color">#F0F0F0</xsl:attribute>
	</xsl:attribute-set>

	<xsl:attribute-set name="list.block.spacing">
		<xsl:attribute name="space-before.optimum">0.1em</xsl:attribute>
		<xsl:attribute name="space-before.minimum">0.1em</xsl:attribute>
		<xsl:attribute name="space-before.maximum">0.1em</xsl:attribute>
		<xsl:attribute name="space-after.optimum">0.1em</xsl:attribute>
		<xsl:attribute name="space-after.minimum">0.1em</xsl:attribute>
		<xsl:attribute name="space-after.maximum">0.1em</xsl:attribute>
	</xsl:attribute-set>

	<xsl:attribute-set name="example.properties">
		<xsl:attribute name="space-before.minimum">0.5em</xsl:attribute>
		<xsl:attribute name="space-before.optimum">0.5em</xsl:attribute>
		<xsl:attribute name="space-before.maximum">0.5em</xsl:attribute>
		<xsl:attribute name="space-after.minimum">0.1em</xsl:attribute>
		<xsl:attribute name="space-after.optimum">0.1em</xsl:attribute>
		<xsl:attribute name="space-after.maximum">0.1em</xsl:attribute>
		<xsl:attribute name="keep-together.within-column">always</xsl:attribute>
	</xsl:attribute-set>

<!--###################################################
		Title information for Figures, Examples etc.
	################################################### -->

	<xsl:attribute-set name="formal.title.properties" use-attribute-sets="normal.para.spacing">
		<xsl:attribute name="font-weight">normal</xsl:attribute>
		<xsl:attribute name="font-style">italic</xsl:attribute>
		<xsl:attribute name="font-size">
			<xsl:value-of select="$body.font.master"/>
			<xsl:text>pt</xsl:text>
		</xsl:attribute>
		<xsl:attribute name="hyphenate">false</xsl:attribute>
		<xsl:attribute name="space-before.minimum">0.1em</xsl:attribute>
		<xsl:attribute name="space-before.optimum">0.1em</xsl:attribute>
		<xsl:attribute name="space-before.maximum">0.1em</xsl:attribute>
	</xsl:attribute-set>

<!--###################################################
		Callouts
	################################################### -->

<!-- don't use images for callouts -->
	<xsl:param name="callout.graphics">0</xsl:param>
	<xsl:param name="callout.unicode">1</xsl:param>

<!-- Place callout marks at this column in annotated areas -->
	<xsl:param name="callout.defaultcolumn">90</xsl:param>

<!--###################################################
		Misc
	################################################### -->

<!-- Placement of titles -->
	<xsl:param name="formal.title.placement">
		figure after
		example after
		equation before
		table before
		procedure before
	</xsl:param>

<!-- Format Variable Lists as Blocks (prevents horizontal overflow) -->
	<xsl:param name="variablelist.as.blocks">1</xsl:param>

	<xsl:param name="body.start.indent">0pt</xsl:param>

<!-- Show only Sections up to level 3 in the TOCs -->
	<xsl:param name="toc.section.depth">3</xsl:param>

<!-- Remove "Chapter" from the Chapter titles... -->
	<xsl:param name="local.l10n.xml" select="document('')"/>
	<l:i18n xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0">
		<l:l10n language="en">
			<l:context name="title-numbered">
				<l:template name="chapter" text="%n.&#160;%t"/>
				<l:template name="section" text="%n&#160;%t"/>
			</l:context>
			<l:context name="title">
				<l:template name="example" text="Example&#160;%n&#160;%t"/>
			</l:context>
		</l:l10n>
	</l:i18n>

<!--###################################################
		colored and hyphenated links 
	################################################### --> 

	<xsl:template match="ulink">
		<fo:basic-link external-destination="{@url}"
				xsl:use-attribute-sets="xref.properties"
				text-decoration="underline"
				color="blue">
			<xsl:choose>
				<xsl:when test="count(child::node())=0">
					<xsl:value-of select="@url"/>
				</xsl:when>
				<xsl:otherwise>
					<xsl:apply-templates/>
				</xsl:otherwise>
			</xsl:choose>
		</fo:basic-link>
	</xsl:template>

	<xsl:template match="link">
		<fo:basic-link internal-destination="{@linkend}"
				xsl:use-attribute-sets="xref.properties"
				text-decoration="underline"
				color="blue">
			<xsl:choose>
				<xsl:when test="count(child::node())=0">
					<xsl:value-of select="@linkend"/>
				</xsl:when>
				<xsl:otherwise>
					<xsl:apply-templates/>
				</xsl:otherwise>
			</xsl:choose>
		</fo:basic-link>
	</xsl:template>

</xsl:stylesheet>