RE: how to pass parameters down through nested templat

> Wierdly some places {} are required and some places they are 
> not. Is there some kind of ruleset or guideline on that ??

Yes. It's called the language specification.

http://www.w3.org/TR/xslt#attribute-value-templates

Michael Kay


> 
> Here is the working XSL that should show anyone how to keep 
> pushing parameters as and when required in nested template 
> calls or apply templates
> 
> Abhishek Sanwal
> HP - Houston Campus
> abhishek.sanwal@xxxxxx
> 
> WORKING CODE:
> 
> <?xml version="1.0" encoding="UTF-8"?>
> <xsl:stylesheet version="1.0" 
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
> xmlns:fo="http://www.w3.org/1999/XSL/Format">
> 
> <xsl:template match="Matrix">
> <xsl:param name="HeadAlign" select="'Right'"/>
> <xsl:param name="DataAlign" select="'Right'"/>
> 
> 	<xsl:if test="contains(@HeadFlow,'H')">
> 		<font class="debug">Horizontal</font>		
> 
> 		<table border="0">
> 			<xsl:apply-templates mode="H">
> 			<xsl:with-param name="HeadAlign"
> select="'Center'"/>
> 			<xsl:with-param name="DataAlign"
> select="'Center'"/>
> 			</xsl:apply-templates>
> 		</table>
> 	</xsl:if>
> 
> 	<xsl:if test="contains(@HeadFlow,'V')">
> 		<font class="debug">Vertical</font>
> 
> 		
> 		<table border="0">
> 			<xsl:apply-templates mode="V">
> 			<xsl:with-param name="HeadAlign"
> select="'Left'"/>
> 			<xsl:with-param name="DataAlign"
> select="'Left'"/>
> 			</xsl:apply-templates>
> 		</table>
> 	</xsl:if>
> 
> </xsl:template>
> 
> <xsl:template match="MatrixHeadArray" mode="H">
> <xsl:param name="HeadAlign" select="'Right'"/>
> <xsl:param name="DataAlign" select="'Right'"/>
> 	<tr align="{$HeadAlign}">
> 		<xsl:apply-templates mode="H">
> 		<xsl:with-param name="HeadAlign" select="$HeadAlign"/>
> 		<xsl:with-param name="DataAlign" select="$DataAlign"/>
> 		</xsl:apply-templates>
> 	</tr>
> </xsl:template>
> 
> <xsl:template match="MatrixHeadCell" mode="H">
> <xsl:param name="HeadAlign" select="'Right'"/>
> <xsl:param name="DataAlign" select="'Right'"/>
> 	<th align="{$HeadAlign}">
> 		<xsl:apply-templates/>
> 	</th>
> </xsl:template>
> 
> <xsl:template match="MatrixDataArray" mode="H">
> <xsl:param name="HeadAlign" select="'Right'"/>
> <xsl:param name="DataAlign" select="'Right'"/>
> 	<tr align="{$DataAlign}">
> 		<xsl:apply-templates mode="H">
> 		<xsl:with-param name="HeadAlign" select="$HeadAlign"/>
> 		<xsl:with-param name="DataAlign" select="$DataAlign"/>
> 		</xsl:apply-templates>
> 	</tr>
> </xsl:template>
> 
> <xsl:template match="MatrixDataCell" mode="H">
> <xsl:param name="HeadAlign" select="'Right'"/>
> <xsl:param name="DataAlign" select="'Right'"/>
> 	<td align="{$DataAlign}">
> 		<xsl:apply-templates/>
> 	</td>
> </xsl:template>
> 
> <xsl:template match="MatrixHeadArray" mode="V">
> <xsl:param name="HeadAlign" select="'Right'"/>
> <xsl:param name="DataAlign" select="'Right'"/>
> 	<xsl:for-each select="MatrixHeadCell">
> 		<tr>
> 			<th align="{$HeadAlign}">
> 				<xsl:apply-templates/>
> 			</th>
> 			<xsl:variable name="headloc">
> 				<xsl:value-of select="@i"/>
> 			</xsl:variable>
> 			<xsl:for-each select="../../MatrixDataArray">
> 				<td align="{$DataAlign}">
> 					<xsl:apply-templates 
> select="MatrixDataCell[@i=$headloc]"/>
> 				</td>
> 			</xsl:for-each>
> 		</tr>
> 	</xsl:for-each>
> </xsl:template>
> 
> <xsl:template match="MatrixDataCell" mode="V"/>
> <xsl:param name="HeadAlign" select="'Right'"/>
> <xsl:param name="DataAlign" select="'Right'"/>
> 
> </xsl:stylesheet>
> 
> -----Original Message-----
> From: SANWAL, ABHISHEK (HP-Houston) 
> Sent: Wednesday, September 10, 2003 5:31 PM
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: RE:  how to pass parameters down through nested 
> templates using xsl:apply templates in a nested fashion?
> 
> Wendell,
> 
> Just made the changes you suggested. But still have an issue. 
> Please correct the following if they are wrong.
> 
> To push the initial value of the parameter - (Okay or not) 
> <xsl:with-param name="HeadAlign" select="'Center'"/> 
> <xsl:with-param name="DataAlign" select="'Left'"/>
> 
> To obtain the parameter value in the called template  (with default
> values)
> <xsl:param name="HeadAlign" select="'Right'"/>
> 
> Its just a literal string that I want to place in the <th>, 
> <td> or <tr> tags to set the text alignment of the cell. Like 
> this... (doesn't work) To push the value of the parameter 
> out. (Should I use XSL"value of and how would I actually 
> write it into the the following HTML tags ??
> 
> 	<tr align="$HeadAlign">
> 	<th align="$HeadAlign">
> 	<td align="$DataAlign">
> 
> Unfortunately it wont "spit" out those parameters into the 
> th, tr, td values. I have tried this with curly braces and 
> without and etc.
> 
> Of course I am getting nowhere with the trial and error.
> 
> Please let me know what would be the correct "syntax" for the 
> THREE XSL statements as mentioned above. (to make this possible :( ).
> 
> Thanks a lot.
> 
> Abhishek Sanwal
> 
> 
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> 


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