Example Customize RSS Viewer XSL

My Example on Customize RSS Viewer XSL:

<xsl:stylesheet xmlns:x="http://www.w3.org/2001/XMLSchema"
               version="1.0" exclude-result-prefixes="xsl ddwrt msxsl rssaggwrt"
               xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime"
               xmlns:rssaggwrt="http://schemas.microsoft.com/WebParts/v3/rssagg/runtime"
               xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt"
               xmlns:rssFeed="urn:schemas-microsoft-com:sharepoint:RSSAggregatorWebPart"
               xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/"
               xmlns:rss1="http://purl.org/rss/1.0/" xmlns:atom="http://www.w3.org/2005/Atom"
               xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd"
               xmlns:atom2="http://purl.org/atom/ns#">
  <xsl:param name="rss_FeedLimit">5</xsl:param>
  <xsl:param name="rss_ExpandFeed">false</xsl:param>
  <xsl:param name="rss_LCID">1033</xsl:param>
  <xsl:param name="rss_WebPartID">RSS_Viewer_WebPart</xsl:param>
  <xsl:param name="rss_alignValue">left</xsl:param>
  <xsl:param name="rss_IsDesignMode">True</xsl:param>
  <xsl:template match="rss">
    <xsl:call-template name="RSSMainTemplate"/>
  </xsl:template>
  <xsl:template match="rdf:RDF">
    <xsl:call-template name="RDFMainTemplate"/>
  </xsl:template>
  <xsl:template match="atom:feed">
    <xsl:call-template name="ATOMMainTemplate"/>
  </xsl:template>
  <xsl:template match="atom2:feed">
    <xsl:call-template name="ATOM2MainTemplate"/>
  </xsl:template>
  <xsl:template name="RSSMainTemplate" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt">
    <xsl:variable name="Rows" select="channel/item"/>
    <xsl:variable name="RowCount" select="count($Rows)"/>
    <div class="slm-layout-main" >
      <div class="groupheader item medium">
        <a href="{ddwrt:EnsureAllowedProtocol(string(channel/link))}">
          <xsl:value-of select="channel/title"/>
        </a>
      </div>
      <xsl:call-template name="RSSMainTemplate.body">
        <xsl:with-param name="Rows" select="$Rows"/>
        <xsl:with-param name="RowCount" select="count($Rows)"/>
      </xsl:call-template>
    </div>
  </xsl:template>
  <xsl:template name="RSSMainTemplate.body" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt">
    <xsl:param name="Rows"/>
    <xsl:param name="RowCount"/>
    <xsl:for-each select="$Rows">
      <xsl:variable name="CurPosition" select="position()" />
      <xsl:variable name="RssFeedLink" select="$rss_WebPartID" />
      <xsl:variable name="CurrentElement" select="concat($RssFeedLink,$CurPosition)" />
      <xsl:if test="($CurPosition &lt;= $rss_FeedLimit)">
        <div class="item link-item" >
          <a href="{concat(&quot;javascript:ToggleItemDescription('&quot;,$CurrentElement,&quot;')&quot;)}" >
            <xsl:value-of select="title"/>
          </a>
          <xsl:if test="$rss_ExpandFeed = true()">
            <xsl:call-template name="RSSMainTemplate.description">
              <xsl:with-param name="DescriptionStyle" select="string('display:block;')"/>
              <xsl:with-param name="CurrentElement" select="$CurrentElement"/>
            </xsl:call-template>
          </xsl:if>
          <xsl:if test="$rss_ExpandFeed = false()">
            <xsl:call-template name="RSSMainTemplate.description">
              <xsl:with-param name="DescriptionStyle" select="string('display:none;')"/>
              <xsl:with-param name="CurrentElement" select="$CurrentElement"/>
            </xsl:call-template>
          </xsl:if>body1
        </div>
      </xsl:if>
    </xsl:for-each>
  </xsl:template>
  <xsl:template name="RSSMainTemplate.description" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt">
    <xsl:param name="DescriptionStyle"/>
    <xsl:param name="CurrentElement"/>
    <div id="{$CurrentElement}" class="description" align="{$rss_alignValue}" style="{$DescriptionStyle} text-align:{$rss_alignValue};">
      <xsl:choose>
        <!-- some RSS2.0 contain pubDate tag, some others dc:date -->
        <xsl:when test="string-length(pubDate) &gt; 0">
          <xsl:variable name="pubDateLength" select="string-length(pubDate) - 3" />
          <xsl:value-of select="ddwrt:FormatDate(substring(pubDate,0,$pubDateLength),number($rss_LCID),3)"/>
        </xsl:when>
        <xsl:otherwise>
          <xsl:value-of select="ddwrt:FormatDate(string(dc:date),number($rss_LCID),3)"/>
        </xsl:otherwise>
      </xsl:choose>
      <xsl:if test="string-length(description) &gt; 0">
        <xsl:variable name="SafeHtml">
          <xsl:call-template name="GetSafeHtml">
            <xsl:with-param name="Html" select="description"/>
          </xsl:call-template>
        </xsl:variable>
        - <xsl:value-of select="$SafeHtml" disable-output-escaping="yes"/>
      </xsl:if>
      <div class="description">
        <a href="{ddwrt:EnsureAllowedProtocol(string(link))}">More...</a>
      </div>
    </div>
  </xsl:template>

  <xsl:template name="RDFMainTemplate" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt">
    <xsl:variable name="Rows" select="rss1:item"/>
    <xsl:variable name="RowCount" select="count($Rows)"/>
    <div class="slm-layout-main" >
      <div class="groupheader item medium">
        <a href="{ddwrt:EnsureAllowedProtocol(string(rss1:channel/rss1:link))}">
          <xsl:value-of select="rss1:channel/rss1:title"/>
        </a>
      </div>
      <xsl:call-template name="RDFMainTemplate.body">
        <xsl:with-param name="Rows" select="$Rows"/>
        <xsl:with-param name="RowCount" select="count($Rows)"/>
      </xsl:call-template>
    </div>
  </xsl:template>
  <xsl:template name="RDFMainTemplate.body" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt">
    <xsl:param name="Rows"/>
    <xsl:param name="RowCount"/>
    <xsl:for-each select="$Rows">
      <xsl:variable name="CurPosition" select="position()" />
      <xsl:variable name="RssFeedLink" select="$rss_WebPartID" />
      <xsl:variable name="CurrentElement" select="concat($RssFeedLink,$CurPosition)" />
      <xsl:if test="($CurPosition &lt;= $rss_FeedLimit)">
        <div class="item link-item" >
          <a href="{concat(&quot;javascript:ToggleItemDescription('&quot;,$CurrentElement,&quot;')&quot;)}" >
            <xsl:value-of select="rss1:title"/>
          </a>
          <xsl:if test="$rss_ExpandFeed = true()">
            <xsl:call-template name="RDFMainTemplate.description">
              <xsl:with-param name="DescriptionStyle" select="string('display:block;')"/>
              <xsl:with-param name="CurrentElement" select="$CurrentElement"/>
            </xsl:call-template>
          </xsl:if>
          <xsl:if test="$rss_ExpandFeed = false()">
            <xsl:call-template name="RDFMainTemplate.description">
              <xsl:with-param name="DescriptionStyle" select="string('display:none;')"/>
              <xsl:with-param name="CurrentElement" select="$CurrentElement"/>
            </xsl:call-template>
          </xsl:if>  body2
        </div>
      </xsl:if>
    </xsl:for-each>
  </xsl:template>
  <xsl:template name="RDFMainTemplate.description" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt">
    <xsl:param name="DescriptionStyle"/>
    <xsl:param name="CurrentElement"/>
    <div id="{$CurrentElement}" class="description" align="{$rss_alignValue}" style="{$DescriptionStyle} text-align:{$rss_alignValue};">
      <xsl:value-of select="ddwrt:FormatDate(string(dc:date),number($rss_LCID),3)"/>
      <xsl:if test="string-length(rss1:description) &gt; 0">
        <xsl:variable name="SafeHtml">
          <xsl:call-template name="GetSafeHtml">
            <xsl:with-param name="Html" select="rss1:description"/>
          </xsl:call-template>
        </xsl:variable>
        - <xsl:value-of select="$SafeHtml" disable-output-escaping="yes"/>
      </xsl:if>
      <div class="description">
        <a href="{ddwrt:EnsureAllowedProtocol(string(rss1:link))}">More...</a>
      </div>
    </div>
  </xsl:template>

 
 
 
 
 
 
 
  <xsl:template name="ATOMMainTemplate" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt">
    <xsl:variable name="Rows" select="atom:entry"/>
    <xsl:variable name="RowCount" select="count($Rows)"/>
    <div class="slm-layout-main" >
      <div class="groupheader item medium">
        <a href="{ddwrt:EnsureAllowedProtocol(string(atom:link/@href))}">
         <!-- <xsl:value-of select="atom:title"/>  -->
        </a>
      </div>
      <xsl:call-template name="ATOMMainTemplate.body">
        <xsl:with-param name="Rows" select="$Rows"/>
        <xsl:with-param name="RowCount" select="count($Rows)"/>
      </xsl:call-template>
    </div>
  </xsl:template>
 
  <xsl:template name="ATOMMainTemplate.body" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt">
    <xsl:param name="Rows"/>
    <xsl:param name="RowCount"/>
    <xsl:param name="CurPosition2" select="position()"/>
  
   
    <xsl:for-each select="$Rows">
      <xsl:variable name="CurPosition" select="position()" />
      <xsl:variable name="RssFeedLink" select="$rss_WebPartID" />
      <xsl:variable name="CurrentElement" select="concat($RssFeedLink,$CurPosition)" />
      <xsl:if test="$CurPosition = 1">
        Top
        RowCount:<xsl:value-of select="$RowCount"/>
        RssFeedLimit:<xsl:value-of select="$rss_FeedLimit"/>
      </xsl:if>
     
      <xsl:if test="($CurPosition &lt;= $rss_FeedLimit)">
        <div class="item link-item" >
          <a href="{concat(&quot;javascript:ToggleItemDescription('&quot;,$CurrentElement,&quot;')&quot;)}" >
           <!-- <xsl:value-of select="atom:title"/>    -->
          </a>
          <xsl:if test="$rss_ExpandFeed = true()">
            <xsl:call-template name="ATOMMainTemplate.description">
              <xsl:with-param name="DescriptionStyle" select="string('display:block;')"/>
              <xsl:with-param name="CurrentElement" select="$CurrentElement"/>
            </xsl:call-template>
          </xsl:if>
          <xsl:if test="$rss_ExpandFeed = false()">
            <xsl:call-template name="ATOMMainTemplate.description">
              <xsl:with-param name="DescriptionStyle" select="string('display:none;')"/>
              <xsl:with-param name="CurrentElement" select="$CurrentElement"/>
            </xsl:call-template>
          </xsl:if>
        </div>
      </xsl:if>
      <xsl:if test="$CurPosition = $rss_FeedLimit">
        last
      </xsl:if>
     
    </xsl:for-each>
  </xsl:template>
  <xsl:template name="ATOMMainTemplate.description" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt">
    <xsl:param name="DescriptionStyle"/>
    <xsl:param name="CurrentElement"/>
    <div id="{$CurrentElement}" class="description" align="{$rss_alignValue}" style="{$DescriptionStyle} text-align:{$rss_alignValue};">
     <!-- <xsl:value-of select="ddwrt:FormatDate(string(atom:updated),number($rss_LCID),3)"/>  -->
      <xsl:choose>
        <xsl:when test="string-length(atom:summary) &gt; 0">
          <xsl:variable name="SafeHtml">
            <xsl:call-template name="GetSafeHtml">
              <xsl:with-param name="Html" select="atom:summary"/>
            </xsl:call-template>
          </xsl:variable>
          <!--<xsl:value-of select="$SafeHtml" disable-output-escaping="yes"/> -->
        </xsl:when>
        <xsl:when test="string-length(atom:content) &gt; 0">
          <xsl:variable name="SafeHtml">
            <xsl:call-template name="GetSafeHtml">
              <xsl:with-param name="Html" select="atom:content"/>
            </xsl:call-template>
          </xsl:variable>
          <xsl:value-of select="$SafeHtml" disable-output-escaping="yes"/>
        </xsl:when>
      </xsl:choose>
     <!-- <div class="description">
        <a href="{ddwrt:EnsureAllowedProtocol(string(atom:link/@href))}">More...</a>
      </div> -->
    </div>
  </xsl:template>
 
 
 
 
 
 
 
 
  <xsl:template name="ATOM2MainTemplate" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt">
    <xsl:variable name="Rows" select="atom2:entry"/>
    <xsl:variable name="RowCount" select="count($Rows)"/>
    <div class="slm-layout-main" >
      <div class="groupheader item medium">
        <a href="{ddwrt:EnsureAllowedProtocol(string(atom2:link/@href))}">
          <xsl:value-of select="atom2:title"/>
        </a>
      </div>
      <xsl:call-template name="ATOM2MainTemplate.body">
        <xsl:with-param name="Rows" select="$Rows"/>
        <xsl:with-param name="RowCount" select="count($Rows)"/>
      </xsl:call-template>
    </div>
  </xsl:template>
  <xsl:template name="ATOM2MainTemplate.body" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt">
    <xsl:param name="Rows"/>
    <xsl:param name="RowCount"/>
    <xsl:for-each select="$Rows">
      <xsl:variable name="CurPosition" select="position()" />
      <xsl:variable name="RssFeedLink" select="$rss_WebPartID" />
      <xsl:variable name="CurrentElement" select="concat($RssFeedLink,$CurPosition)" />
      <xsl:if test="($CurPosition &lt;= $rss_FeedLimit)">
        <div class="item link-item" >
         
          <xsl:if test="$rss_ExpandFeed = true()">
            <xsl:call-template name="ATOM2MainTemplate.description">
              <xsl:with-param name="DescriptionStyle" select="string('display:block;')"/>
              <xsl:with-param name="CurrentElement" select="$CurrentElement"/>
            </xsl:call-template>
          </xsl:if>
          <xsl:if test="$rss_ExpandFeed = false()">
            <xsl:call-template name="ATOM2MainTemplate.description">
              <xsl:with-param name="DescriptionStyle" select="string('display:none;')"/>
              <xsl:with-param name="CurrentElement" select="$CurrentElement"/>
            </xsl:call-template>
          </xsl:if> bod4
        </div>
      </xsl:if>
    </xsl:for-each>
  </xsl:template>
 
 
 
 
 
  <xsl:template name="ATOM2MainTemplate.description" xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt">
    <xsl:param name="DescriptionStyle"/>
    <xsl:param name="CurrentElement"/>
    <div id="{$CurrentElement}" class="description" align="{$rss_alignValue}" style="{$DescriptionStyle} text-align:{$rss_alignValue};">
      <xsl:value-of select="ddwrt:FormatDate(string(atom2:updated),number($rss_LCID),3)"/>
      <xsl:choose>
        <xsl:when test="string-length(atom2:summary) &gt; 0">
          <xsl:variable name="SafeHtml">
            <xsl:call-template name="GetSafeHtml">
              <xsl:with-param name="Html" select="atom2:summary"/>
            </xsl:call-template>
          </xsl:variable>
          - <xsl:value-of select="$SafeHtml" disable-output-escaping="yes"/>
        </xsl:when>
        <xsl:when test="string-length(atom2:content) &gt; 0">
          <xsl:variable name="SafeHtml">
            <xsl:call-template name="GetSafeHtml">
              <xsl:with-param name="Html" select="atom2:content"/>
            </xsl:call-template>
          </xsl:variable>
          - <xsl:value-of select="$SafeHtml" disable-output-escaping="yes"/>
        </xsl:when>
      </xsl:choose>
      <div class="description">
        <a href="{ddwrt:EnsureAllowedProtocol(string(atom2:link/@href))}">More...</a>
      </div>
    </div>
  </xsl:template>
  <xsl:template name="GetSafeHtml">
    <xsl:param name="Html"/>
    <xsl:choose>
      <xsl:when test="$rss_IsDesignMode = 'True'">
        <xsl:value-of select="$Html"/>
      </xsl:when>
      <xsl:otherwise>
        <xsl:value-of select="rssaggwrt:MakeSafe($Html)"/>
      </xsl:otherwise>
    </xsl:choose>
  </xsl:template>
</xsl:stylesheet>