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Old July 29th, 2008, 01:05 PM
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Default Dynamic Columns

Hi,

I've been trying for awhile now to figure out how to make a dynamic table with dynamic columns. I've found tons of examples on the web but I cant seem to get any of them to work properly. So I figured I must be doing something wrong.

Here is my sample XML:

Catalog.xml
Code:
<?xml version="1.0" encoding="utf-8"?>
<catalog>
  <item id="1">
    <item-title>Test</item-title>
    <item-price>#36;9.99</item-price>
    <item-picture>/images/catalog/picture1.jpg</item-picture>
  </item>
  <item id="2">
    <item-title>Test 2</item-title>
    <item-price>#36;9.99</item-price>
    <item-picture>/images/catalog/picture2.jpg</item-picture>
  </item>
  <item id="3">
    <item-title>Test 3</item-title>
    <item-price>#36;9.99</item-price>
    <item-picture>/images/catalog/picture1.jpg</item-picture>
  </item>
  <item id="4">
    <item-title>Test 4</item-title>
    <item-price>#36;9.99</item-price>
    <item-picture>/images/catalog/picture2.jpg</item-picture>
  </item>
  <item id="5">
    <item-title>Test 5</item-title>
    <item-price>#36;9.99</item-price>
    <item-picture>/images/catalog/picture1.jpg</item-picture>
  </item>
  <item id="6">
    <item-title>Test 6</item-title>
    <item-price>#36;9.99</item-price>
    <item-picture>/images/catalog/picture2.jpg</item-picture>
  </item>
  <item id="7">
    <item-title>Test 7</item-title>
    <item-price>#36;9.99</item-price>
    <item-picture>/images/catalog/picture1.jpg</item-picture>
  </item>
  <item id="8">
    <item-title>Test 8</item-title>
    <item-price>#36;9.99</item-price>
    <item-picture>/images/catalog/picture2.jpg</item-picture>
  </item>
</catalog>
catalog_display.xsl
Code:
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
 version="1.0">
<xsl:output method="html" />
<xsl:variable name="columns" select="3" />
<xsl:template match="catalog">
    <table border="1">
        <xsl:for-each select="item[position() mod $columns = 1]">
            <tr>
                <xsl:for-each select=".|following-sibling::item[position() &gt; 3]">           
                    <td>
                        <xsl:value-of select="." />
                    </td>
                </xsl:for-each>
            </tr>            
        </xsl:for-each>
    </table>
</xsl:template>

</xsl:stylesheet>
Basically suppose to create a new row every 3 items. But I can figure out where it actually tells it to create a new table row. Anyway, if someone can please help me or point me in the right direction I'll greatly appreciate it.
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Old July 29th, 2008, 01:21 PM
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Default

Your [position() &gt; 3] should clearly be [position() &lt; 3].

But I'm not sure I understand your question. The literal result element <tr>...</tr> causes a new row to be created, and the surrounding <xsl:for-each> causes it to be done once for every <item> element that satisfies the condition [position() mod $columns = 1] - that is, for the 1st, 4th, 7th etc item element.

Michael Kay
http://www.saxonica.com/
Author, XSLT 2.0 and XPath 2.0 Programmer's Reference
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Old July 29th, 2008, 01:25 PM
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You know I've been staring at the damn code all day and that never dawned on me to change &gt; to &lt;. Thanks for the fresh pair of eyes on my code.

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