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[xsl] grouping date ranges with associated sums

Subject: [xsl] grouping date ranges with associated sums
From: dmitrik@xxxxxxxxxxxxxx
Date: Mon, 29 Nov 2004 12:13:04 -0500 (GMT-05:00)
the following code produces

Trade
ED.TEST total:20 
ED.TESTFX1 total:7840 

what is required to break out the sums into dates ranges, for 
example from today until 1 year - any MinFlowDate which falls within that 
range will be summed, and then to be able to specify another date range
with an associated sum.

tia,
dk


<?xml version="1.0" encoding="ISO-8859-1"?>
<?xml-stylesheet type="text/xsl" href="Ed1.xsl"?>
<Portfilio>
	<Trade>
		<TradeId>ED.TEST</TradeId>	
		<Step>
		   <MinFlowDate>11/11/2004</MinFlowDate>
		   <StepCharge_TTBlack>10</StepCharge_TTBlack>
		</Step>
		<Step>
		   <MinFlowDate>11/11/2005</MinFlowDate>
		   <StepCharge_TTBlack>10</StepCharge_TTBlack>
		</Step>
	</Trade>
	<Trade>
		<TradeId>ED.TESTFX1</TradeId>	
		<Step>
		   <MinFlowDate>11/11/2004</MinFlowDate>
		   <StepCharge_TTBlack>10</StepCharge_TTBlack>
		</Step>
		<Step>
		   <MinFlowDate>11/12/2004</MinFlowDate>
		   <StepCharge_TTBlack>60</StepCharge_TTBlack>
		</Step>
		<Step>
		   <MinFlowDate>11/11/2004</MinFlowDate>
		   <StepCharge_TTBlack>1450</StepCharge_TTBlack>
		</Step>
		<Step>
		   <MinFlowDate>11/11/2009</MinFlowDate>
		   <StepCharge_TTBlack>6320</StepCharge_TTBlack>
		</Step>
	</Trade>	
</Portfilio>


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

<xsl:output method="html" indent="yes" />

<xsl:template match="/">
   <html>
     <head>
       <title>Portfilio</title>
     </head>
     <body>
       <h1>Trade</h1>
       <xsl:apply-templates />
     </body>
   </html>
</xsl:template>

<xsl:template match="Portfilio">
   <table>
     <tbody>
       <xsl:apply-templates select="Trade" />
     </tbody>
   </table>
</xsl:template>

<xsl:template match="Trade">
   <tr>
     <td><xsl:value-of select="TradeId" /></td>
     <td>
       <xsl:text>total:</xsl:text>
       <xsl:call-template name="addSubtotals">
         <xsl:with-param name="Steps" select="Step" />
       </xsl:call-template>
     </td>
   </tr>
</xsl:template>

<xsl:template name="addSubtotals">
   <xsl:param name="Steps" />
   <xsl:variable name="Step1" select="$Steps[1]" />
   <xsl:variable name="RemainingItems" select="$Steps[position() &gt; 1]" />
   <xsl:variable name="subtotal" select="$Step1/StepCharge_TTBlack" />
   <xsl:choose>
     <xsl:when test="$RemainingItems">
       <xsl:variable name="subtotals">
         <xsl:call-template name="addSubtotals">
           <xsl:with-param name="Steps" select="$RemainingItems" />
         </xsl:call-template>
       </xsl:variable>
       <xsl:value-of select="$subtotal + $subtotals" />
     </xsl:when>
     <xsl:otherwise>
       <xsl:value-of select="$subtotal" />
     </xsl:otherwise>
   </xsl:choose>
</xsl:template>

</xsl:stylesheet>
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