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Re: how to match node set with attribute then pass to atemplate

2003-09-26 12:52:59
Thank you very much. I have never know this before.

But I use FOP to generate PDF, it give me an error says:
java.lang.RuntimeException: org.apache.fop.apps.FOPException: Currently only
Table Rows are supported in table body, header and footer

So I have to put <fo:table-row>.  In my case, for each Attachment, how can I
output its <info> on top of its <filename>, so the output will look like:
......
                <table-cell border="solid" starts-row="true">
                   <block>information for Image5445.jpg</block>
                </table-cell>
                <table-cell border="solid">
                   <block>information for Image5447.jpg</block>
                </table-cell>

                <table-cell border="solid" starts-row="true">
                   <block>Image5445.jpg</block>
                </table-cell>
                <table-cell border="solid">
                   <block>Image5447.jpg</block>
                </table-cell>
......

Biying


"G. Ken Holman" wrote:

At 2003-09-26 12:24 -0400, Biying Huang wrote:
In PDF output, I am trying to display 2 images side by side and its info
above each image, but only display images that has the attribute
showImage="true".

This is an ideal situation for the cell-based row-grouping strategy in
XSL-FO ... most of my students have never heard of this and only think of
the row-based row-grouping strategy because of their background in HTML.  I
see from your attempt that you, too, were trying to work out an answer
using the row-based row-grouping strategy.

When dealing algorithmically with column counts in XSL-FO, using the
cell-based row-grouping strategy delegates the hard work to the XSL-FO
engine, making the stylesheet very easy.

The example below works as expected in both Antenna House and RenderX
XSL-FO engines.  I increased the size of the data sample to show it working
with more cells.

I hope this helps.

...................... Ken

T:\Biying>type biying.xml
<AttachmentList>
     <Attachment showImage="true">
         <filename>Image5445.jpg</filename>
         <info>image information</info>
   </Attachment>

   <Attachment showImage="false">
         <filename>Image5446.jpg</filename>
         <info>image information</info>
   </Attachment>

   <Attachment showImage="true">
         <filename>Image5447.jpg</filename>
         <info>image information</info>
   </Attachment>
   <Attachment showImage="false">
         <filename>Image5448.jpg</filename>
         <info>image information</info>
   </Attachment>

   <Attachment showImage="true">
         <filename>Image5449.jpg</filename>
         <info>image information</info>
   </Attachment>
   <Attachment showImage="false">
         <filename>Image5450.jpg</filename>
         <info>image information</info>
   </Attachment>

   <Attachment showImage="true">
         <filename>Image5451.jpg</filename>
         <info>image information</info>
   </Attachment>

   <Attachment showImage="true">
         <filename>Image5452.jpg</filename>
         <info>image information</info>
   </Attachment>
   <Attachment showImage="false">
         <filename>Image5453.jpg</filename>
         <info>image information</info>
   </Attachment>

   <Attachment showImage="true">
         <filename>Image5454.jpg</filename>
         <info>image information</info>
   </Attachment>

</AttachmentList>

T:\Biying>type biying.xsl
<?xml version="1.0" encoding="iso-8859-1"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
                 xmlns="http://www.w3.org/1999/XSL/Format";
                 version="1.0">

<xsl:output indent="yes"/>

<xsl:template match="/">
<root font-family="Times" font-size="20pt">

   <layout-master-set>
     <simple-page-master master-name="frame"
                         page-height="210mm" page-width="297mm"
                         margin-top="1cm" margin-bottom="1cm"
                         margin-left="1cm" margin-right="1cm">
       <region-body region-name="frame-body"/>
     </simple-page-master>
   </layout-master-set>

   <page-sequence master-reference="frame">
     <flow flow-name="frame-body">
       <block>Test of table columns</block>
       <table border="solid">
         <table-body>
           <xsl:apply-templates select="/AttachmentList/
                                        Attachment[(_at_)showImage='true']"/>
         </table-body>
       </table>
     </flow>
   </page-sequence>
</root>
</xsl:template>

<xsl:template match="Attachment">
   <table-cell border="solid">
     <xsl:if test="count( 
preceding-sibling::Attachment[(_at_)showImage='true'] )
                   mod 2 = 0">
       <xsl:attribute name="starts-row">true</xsl:attribute>
     </xsl:if>
     <block>
       <xsl:value-of select="filename"/>
     </block>
   </table-cell>
</xsl:template>

</xsl:stylesheet>
T:\Biying>saxon -o biying.fo biying.xml biying.xsl

T:\Biying>type biying.fo
<?xml version="1.0" encoding="utf-8"?>
<root xmlns="http://www.w3.org/1999/XSL/Format"; font-family="Times"
font-size="20pt">
    <layout-master-set>
       <simple-page-master master-name="frame" page-height="210mm"
page-width="297mm" margin-top="1cm" margin-bottom="1cm" margin-left="1cm"
margin-right="1cm">
          <region-body region-name="frame-body"/>
       </simple-page-master>
    </layout-master-set>
    <page-sequence master-reference="frame">
       <flow flow-name="frame-body">
          <block>Test of table columns</block>
          <table border="solid">
             <table-body>
                <table-cell border="solid" starts-row="true">
                   <block>Image5445.jpg</block>
                </table-cell>
                <table-cell border="solid">
                   <block>Image5447.jpg</block>
                </table-cell>
                <table-cell border="solid" starts-row="true">
                   <block>Image5449.jpg</block>
                </table-cell>
                <table-cell border="solid">
                   <block>Image5451.jpg</block>
                </table-cell>
                <table-cell border="solid" starts-row="true">
                   <block>Image5452.jpg</block>
                </table-cell>
                <table-cell border="solid">
                   <block>Image5454.jpg</block>
                </table-cell>
             </table-body>
          </table>
       </flow>
    </page-sequence>
</root>

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