BlogCategories.xslt

<!DOCTYPE xsl:Stylesheet [ <!ENTITY nbsp "&#x00A0;"> ]>
<xsl:stylesheet
    version="1.0"
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    xmlns:msxml="urn:schemas-microsoft-com:xslt"
    xmlns:umbraco.library="urn:umbraco.library"
    xmlns:media="http://search.yahoo.com/mrss"
    exclude-result-prefixes="msxml umbraco.library media"> 


    <xsl:output method="xml" omit-xml-declaration="yes"/> 

    <xsl:param name="currentPage"/> 
    <xsl:variable name="allNodes" 
        select="umbraco.library:GetXmlNodeById(1186)/descendant-or-self::node [@nodeTypeAlias = 'umbracoBlogPost' and string(data [@alias='umbracoNaviHide']) != '1']"/> 

    <xsl:variable name="sizeConstant">90</xsl:variable> 
    <xsl:variable name="weightConstant">100</xsl:variable> 

    <xsl:template match="/"> 
        <div id="cloud"> 
            <xsl:for-each select="umbraco.library:GetPreValues(1179)//preValue"> 
                <xsl:variable name="ratio" select="(count($allNodes [contains(./data [@alias='categories'], current())]) div count($allNodes)" />
                <xsl:variable name="fontsize" select="round($ratio) * $sizeConstant)" />      
                <xsl:variable name="fontweight" select="round($ratio) * $weightConstant)" />

                <a href="/?filterby={current()}" style="font-size: {$fontsize}px; font-weight:{$fontweight};"> 
                    <xsl:value-of select="."/> 
                </a>
                <xsl:text> </xsl:text>
            </xsl:for-each> 
        </div> 
    </xsl:template> 

</xsl:stylesheet>