analytics/bin/impimr2xml-finalize-conditional-styles.xsl

<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" ?>
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<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.1" 

xmlns="http://developer.cognos.com/schemas/report/1/" 
xmlns:x="http://developer.cognos.com/schemas/report/1/" 

xmlns:str="http://www.ora.com/XSLTCookbook/namespaces/strings" 

extension-element-prefixes="str" 
exclude-result-prefixes="x str"
>
	<xsl:import href="copy.xslt"/>
	
	<xsl:import href="str.find-last.xslt" xmlns:str="http://www.ora.com/XSLTCookbook/namespaces/strings" />
	
	<xsl:output method="xml" />
		
	<xsl:strip-space elements="*"/>
	<xsl:preserve-space elements="x:defaultSelection x:text"/>
	
	<!-- = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = -->
	<xsl:template name="merge-conditional-style-variable-expressions">
		<xsl:param name="nodes"/>
		<xsl:param name="pos"/>
		<xsl:variable name="current-variable" select="$nodes[$pos]"/>
		<xsl:choose>
			<xsl:when test="$current-variable">			
				<xsl:variable name="expr-text" select="$current-variable/x:expression"/>
				<xsl:variable name="tail" select="' then ( 1 ) else ( 0 )'"/>
				<xsl:variable name="head">
					<xsl:call-template name="str:substring-before-last">
						<xsl:with-param name="input" select="$expr-text"/>
						<xsl:with-param name="substr" select="$tail"/>
					</xsl:call-template>
				</xsl:variable>				
				<xsl:variable name="new-expr-text">
					<xsl:value-of select="$head"/>
					<xsl:text> then (</xsl:text>
					<xsl:text> </xsl:text>
					<xsl:text>'</xsl:text>
					<xsl:value-of select="$pos"/>
					<xsl:text>'</xsl:text>
					<xsl:text> )</xsl:text>
					<xsl:text> else (</xsl:text>
					<xsl:call-template name="merge-conditional-style-variable-expressions">
						<xsl:with-param name="nodes" select="$nodes"/>
						<xsl:with-param name="pos" select="$pos+1"/>
					</xsl:call-template>
					<xsl:text> )</xsl:text>
				</xsl:variable>
				<xsl:value-of select="$new-expr-text"/>
			</xsl:when>
			<xsl:otherwise>
				<xsl:text> </xsl:text>
				<xsl:text>'</xsl:text>
				<xsl:text>0</xsl:text>
				<xsl:text>'</xsl:text>
				<!-- and quit (stop recursion) -->
			</xsl:otherwise>
		</xsl:choose>
	</xsl:template>

	<!-- = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = -->
	<xsl:template match="x:variableList">
		<xsl:variable name="variable-list" select="."/>
		<xsl:variable name="conditional-style-parents" select="//*[ x:conditionalStyle ]"/>
		<variableList>
			<xsl:for-each select="$conditional-style-parents">
				<xsl:if test="count( x:conditionalStyle ) &gt; 1">
					<!-- Build the new single combined selector variable for each set of sibling conditionalStyle-s: -->
					<xsl:variable name="conditional-styles" select="x:conditionalStyle"/>
					<xsl:variable name="referenced-variables" select="$variable-list/x:variable[ @name = $conditional-styles/@refVariable ]"/>
					<variable>
						<xsl:attribute name="name">
							<xsl:call-template name="make-selector-name">
								<xsl:with-param name="parent-node-of-conditional-styles" select="."/>
							</xsl:call-template>
						</xsl:attribute>
						<xsl:attribute name="type">
							<xsl:text>string</xsl:text>
						</xsl:attribute>
						<expression>
							<xsl:call-template name="merge-conditional-style-variable-expressions">
								<xsl:with-param name="nodes" select="$referenced-variables"/>
								<xsl:with-param name="pos" select="1"/>
							</xsl:call-template>
						</expression>
						<variableValueList>
							<!-- Add conditional values: -->
							<xsl:for-each select="$referenced-variables">
								<variableValue >
									<xsl:attribute name="value">
										<xsl:value-of select="position()"/>
									</xsl:attribute>
								</variableValue>
							</xsl:for-each>
							<!-- Add the default value: -->
							<variableValue >
								<xsl:attribute name="value">
									<xsl:value-of select="0"/>
								</xsl:attribute>
							</variableValue>
						</variableValueList>
					</variable>
				</xsl:if>
			</xsl:for-each>
			<!-- Copy all pre-existing report variables: -->
			<!-- !! ToDo: The variable-s that are referred to *only* from conditionalStyle-s can be deleted from this variableList here. 
				That is: we may want not to copy any node that is *only* in this node set:
				<xsl:variable name="report-variables-for-conditional-style" select="x:variable[ @name = //x:conditionalStyle/@refVariable ]"/>
			-->
			<xsl:copy-of select="x:variable"/>
		</variableList>
	</xsl:template>

	<!-- = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = -->
	<xsl:template name="make-selector-name">
		<xsl:param name="parent-node-of-conditional-styles"/>
		<xsl:text>ConditionalStyleSelector</xsl:text>
		<!-- Make sure this name is unique among report variable-s in the variableList. -->
		<xsl:text>_</xsl:text>
		<xsl:value-of select="generate-id( $parent-node-of-conditional-styles )"/>
	</xsl:template>

	<!-- = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = -->
	<xsl:template match="x:conditionalStyle">
		<!-- Delete. 
				All sibling conditionalStyle elements will be merged and "single child" conditionalStyle elements will be copied 
				by other template in this stylesheet. -->
	</xsl:template>
	
	<xsl:template match="*[ x:conditionalStyle ]">
		<xsl:copy>
			<xsl:copy-of select="@*"/>
			<xsl:variable name="conditional-styles" select="x:conditionalStyle"/>
			<xsl:choose>
				<xsl:when test="count( $conditional-styles)  &gt; 1">
					<!-- Copy all contents except sibling conditionalStyle-s (they are removed by other template in this stylesheet) -->
					<xsl:apply-templates/>
					<!-- Merge sibling conditionalStyle-s: -->
					<conditionalStyle>
						<xsl:attribute name="refVariable">
							<xsl:call-template name="make-selector-name">
								<xsl:with-param name="parent-node-of-conditional-styles" select="."/>
							</xsl:call-template>
						</xsl:attribute>
						<xsl:for-each select="$conditional-styles">
							<style>
								<xsl:attribute name="refVariableValue">
									<xsl:value-of select="position()"/>
								</xsl:attribute>
								<xsl:copy-of select=".//x:CSS"/>
							</style>
						</xsl:for-each>
					</conditionalStyle>
				</xsl:when>
				<xsl:otherwise>
					<!-- Copy all contents except "single child" conditionalStyle (it is removed by other template in tis stylesheet) -->
					<xsl:apply-templates/>
					<!-- Copy "single child" conditionalStyle: -->
					<xsl:copy-of select="$conditional-styles"/>
				</xsl:otherwise>
			</xsl:choose>
		</xsl:copy>
	</xsl:template>

</xsl:stylesheet>