doc/xslt/website/toc.xsl

   1 <?xml version="1.0"?>
   2 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
   3                 version="1.0">
   4
   5 <xsl:output method="html"/>
   6
   7 <xsl:param name="max.toc.width" select="7"/>
   8
   9 <xsl:template match="toc/title|tocentry/title|titleabbrev">
  10   <xsl:apply-templates/>
  11 </xsl:template>
  12
  13 <xsl:template match="toc">
  14   <xsl:param name="pageid" select="@id"/>
  15
  16   <xsl:variable name="relpath">
  17     <xsl:call-template name="toc-rel-path">
  18       <xsl:with-param name="pageid" select="$pageid"/>
  19     </xsl:call-template>
  20   </xsl:variable>
  21
  22   <xsl:variable name="homebanner"
  23                 select="/autolayout/config[@param='homebanner'][1]"/>
  24
  25   <xsl:variable name="banner"
  26                 select="/autolayout/config[@param='banner'][1]"/>
  27
  28   <xsl:variable name="homebannertext"
  29                 select="/autolayout/config[@param='homebannertext'][1]"/>
  30
  31   <xsl:variable name="bannertext"
  32                 select="/autolayout/config[@param='bannertext'][1]"/>
  33
  34   <xsl:choose>
  35     <xsl:when test="$pageid = @id">
  36       <xsl:choose>
  37         <xsl:when test="$homebanner">
  38           <img border="0">
  39             <xsl:attribute name="src">
  40               <xsl:value-of select="$relpath"/>
  41               <xsl:value-of select="$homebanner/@value"/>
  42             </xsl:attribute>
  43             <xsl:attribute name="alt">
  44               <xsl:value-of select="$homebanner/@altval"/>
  45             </xsl:attribute>
  46           </img>
  47           <xsl:value-of select="$currentpage.marker"/>
  48         </xsl:when>
  49         <xsl:when test="$homebannertext">
  50           <xsl:value-of select="$homebannertext/@value"/>
  51           <xsl:value-of select="$currentpage.marker"/>
  52         </xsl:when>
  53         <xsl:otherwise>
  54           <xsl:call-template name="gentext.nav.home"/>
  55           <xsl:value-of select="$currentpage.marker"/>
  56         </xsl:otherwise>
  57       </xsl:choose>
  58     </xsl:when>
  59     <xsl:otherwise>
  60       <a href="{$relpath}{@dir}{$filename-prefix}{@filename}">
  61         <xsl:choose>
  62           <xsl:when test="$banner">
  63             <img border="0">
  64               <xsl:attribute name="src">
  65                 <xsl:value-of select="$relpath"/>
  66                 <xsl:value-of select="$banner/@value"/>
  67               </xsl:attribute>
  68               <xsl:attribute name="alt">
  69                 <xsl:value-of select="$banner/@altval"/>
  70               </xsl:attribute>
  71             </img>
  72           </xsl:when>
  73           <xsl:when test="$bannertext">
  74             <xsl:value-of select="$bannertext/@value"/>
  75           </xsl:when>
  76           <xsl:otherwise>
  77             <xsl:call-template name="gentext.nav.home"/>
  78           </xsl:otherwise>
  79         </xsl:choose>
  80       </a>
  81     </xsl:otherwise>
  82   </xsl:choose>
  83
  84   <xsl:text> | </xsl:text>
  85
  86   <xsl:call-template name="process-children">
  87     <xsl:with-param name="pageid" select="$pageid"/>
  88     <xsl:with-param name="relpath" select="$relpath"/>
  89   </xsl:call-template>
  90 </xsl:template>
  91
  92 <xsl:template match="tocentry">
  93   <xsl:param name="pageid" select="@id"/>
  94   <xsl:param name="relpath" select="''"/>
  95
  96   <xsl:if test="preceding-sibling::tocentry">
  97     <xsl:text> | </xsl:text>
  98   </xsl:if>
  99
 100   <xsl:choose>
 101     <xsl:when test="$pageid = @id">
 102       <xsl:choose>
 103         <xsl:when test="titleabbrev">
 104           <xsl:apply-templates select="titleabbrev"/>
 105         </xsl:when>
 106         <xsl:otherwise>
 107           <xsl:apply-templates select="title"/>
 108         </xsl:otherwise>
 109       </xsl:choose>
 110       <xsl:value-of select="$currentpage.marker"/>
 111     </xsl:when>
 112     <xsl:otherwise>
 113       <a>
 114         <xsl:attribute name="href">
 115           <xsl:choose>
 116             <xsl:when test="@href">
 117               <xsl:value-of select="@href"/>
 118             </xsl:when>
 119             <xsl:otherwise>
 120               <xsl:value-of select="$relpath"/>
 121               <xsl:value-of select="@dir"/>
 122               <xsl:value-of select="$filename-prefix"/>
 123               <xsl:value-of select="@filename"/>
 124             </xsl:otherwise>
 125           </xsl:choose>
 126         </xsl:attribute>
 127         <xsl:choose>
 128           <xsl:when test="titleabbrev">
 129             <xsl:apply-templates select="titleabbrev"/>
 130           </xsl:when>
 131           <xsl:otherwise>
 132             <xsl:apply-templates select="title"/>
 133           </xsl:otherwise>
 134         </xsl:choose>
 135       </a>
 136     </xsl:otherwise>
 137   </xsl:choose>
 138 </xsl:template>
 139
 140 <xsl:template match="toc|tocentry|notoc" mode="toc-rel-path">
 141   <xsl:call-template name="toc-rel-path"/>
 142 </xsl:template>
 143
 144 <xsl:template name="toc-rel-path">
 145   <xsl:param name="pageid" select="@id"/>
 146   <xsl:variable name="entry" select="$autolayout//*[@id=$pageid]"/>
 147   <xsl:variable name="filename" select="concat($entry/@dir,$entry/@filename)"/>
 148
 149   <xsl:variable name="depth">
 150     <xsl:call-template name="toc-directory-depth">
 151       <xsl:with-param name="filename" select="$filename"/>
 152     </xsl:call-template>
 153   </xsl:variable>
 154
 155   <xsl:if test="$depth > 0">
 156     <xsl:call-template name="copy-string">
 157       <xsl:with-param name="string">../</xsl:with-param>
 158       <xsl:with-param name="count" select="$depth"/>
 159     </xsl:call-template>
 160   </xsl:if>
 161 </xsl:template>
 162
 163 <xsl:template name="toc-directory-depth">
 164   <xsl:param name="filename"></xsl:param>
 165   <xsl:param name="count" select="0"/>
 166
 167   <xsl:choose>
 168     <xsl:when test='contains($filename,"/")'>
 169       <xsl:call-template name="toc-directory-depth">
 170         <xsl:with-param name="filename"
 171                         select="substring-after($filename,'/')"/>
 172         <xsl:with-param name="count" select="$count + 1"/>
 173       </xsl:call-template>
 174     </xsl:when>
 175     <xsl:otherwise>
 176       <xsl:value-of select="$count"/>
 177     </xsl:otherwise>
 178   </xsl:choose>
 179 </xsl:template>
 180
 181 <xsl:template name="process-children">
 182   <xsl:param name="pageid" select="@id"/>
 183   <xsl:param name="relpath" select="''"/>
 184
 185   <xsl:choose>
 186     <xsl:when test="tocentry[descendant-or-self::*[@id=$pageid]]">
 187       <xsl:call-template name="process-tocentry-children">
 188         <xsl:with-param name="pageid" select="$pageid"/>
 189         <xsl:with-param name="relpath" select="$relpath"/>
 190       </xsl:call-template>
 191     </xsl:when>
 192     <xsl:otherwise>
 193       <xsl:call-template name="process-toc-children">
 194         <xsl:with-param name="pageid" select="$pageid"/>
 195         <xsl:with-param name="relpath" select="$relpath"/>
 196       </xsl:call-template>
 197     </xsl:otherwise>
 198   </xsl:choose>
 199 </xsl:template>
 200
 201 <xsl:template name="process-tocentry-children">
 202   <xsl:param name="pageid" select="@id"/>
 203   <xsl:param name="relpath" select="''"/>
 204
 205   <xsl:choose>
 206     <xsl:when test="count(tocentry) &gt; $max.toc.width">
 207       <xsl:variable name="cur"
 208                     select="tocentry[descendant-or-self::*[@id=$pageid]]"/>
 209
 210       <xsl:variable name="half" select="$max.toc.width div 2"/>
 211
 212       <xsl:variable name="all-nodes"
 213                     select="$cur/preceding-sibling::tocentry[position() &lt; $half]
 214                             | $cur
 215                             | $cur/following-sibling::tocentry"/>
 216
 217       <xsl:variable name="nodes"
 218                     select="$all-nodes[position() &lt; $max.toc.width]"/>
 219
 220       <xsl:if test="count($cur/preceding-sibling::tocentry) &gt; $half">
 221         <xsl:text>...</xsl:text>
 222       </xsl:if>
 223       <xsl:apply-templates select="$nodes">
 224         <xsl:with-param name="pageid" select="$pageid"/>
 225         <xsl:with-param name="relpath" select="$relpath"/>
 226       </xsl:apply-templates>
 227       <xsl:if test="count($all-nodes) &gt; $max.toc.width">
 228         <xsl:text> | ...</xsl:text>
 229       </xsl:if>
 230     </xsl:when>
 231     <xsl:otherwise>
 232       <xsl:apply-templates select="tocentry">
 233         <xsl:with-param name="pageid" select="$pageid"/>
 234         <xsl:with-param name="relpath" select="$relpath"/>
 235       </xsl:apply-templates>
 236     </xsl:otherwise>
 237   </xsl:choose>
 238
 239   <br/>
 240
 241   <!-- if the current page isn't in this list, keep digging... -->
 242   <xsl:if test="not(tocentry[$pageid=@id])">
 243     <xsl:for-each select="tocentry">
 244       <xsl:if test="descendant::*[@id=$pageid]">
 245         <xsl:call-template name="process-children">
 246           <xsl:with-param name="pageid" select="$pageid"/>
 247           <xsl:with-param name="relpath" select="$relpath"/>
 248         </xsl:call-template>
 249       </xsl:if>
 250     </xsl:for-each>
 251   </xsl:if>
 252 </xsl:template>
 253
 254 <xsl:template name="process-toc-children">
 255   <xsl:param name="pageid" select="@id"/>
 256   <xsl:param name="relpath" select="''"/>
 257
 258   <xsl:choose>
 259     <xsl:when test="count(tocentry) &gt; $max.toc.width">
 260       <xsl:variable name="half" select="$max.toc.width div 2"/>
 261
 262       <xsl:variable name="all-nodes" select="tocentry"/>
 263       <xsl:variable name="nodes"
 264                     select="$all-nodes[position() &lt; $max.toc.width]"/>
 265
 266       <xsl:apply-templates select="$nodes">
 267         <xsl:with-param name="pageid" select="$pageid"/>
 268         <xsl:with-param name="relpath" select="$relpath"/>
 269       </xsl:apply-templates>
 270
 271       <xsl:if test="count($all-nodes) &gt; $max.toc.width">
 272         <xsl:text> | ...</xsl:text>
 273       </xsl:if>
 274     </xsl:when>
 275     <xsl:otherwise>
 276       <xsl:apply-templates select="tocentry">
 277         <xsl:with-param name="pageid" select="$pageid"/>
 278         <xsl:with-param name="relpath" select="$relpath"/>
 279       </xsl:apply-templates>
 280     </xsl:otherwise>
 281   </xsl:choose>
 282
 283   <br/>
 284 </xsl:template>
 285
 286 </xsl:stylesheet>