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POHow do I insert spacing/padding in XSL-FO generated PDF for fields without any value?
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  1. POHow do I insert spacing/padding in XSL-FO generated PDF for fields without any value?
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    copied!<p>I have the following XML:</p> <pre><code>&lt;sample&gt; &lt;value1&gt;This is one&lt;/value1&gt; &lt;value2&gt;Number two&lt;/value2&gt; &lt;value4&gt;Last value&lt;/value4&gt; &lt;/sample&gt; </code></pre> <p>Using Apache FOP/XSL-FO I would like a PDF looking similar to this:</p> <pre><code>Value 1: This is one Value 2: Number two Value 3: Value 4: Last value </code></pre> <p>Notice the spacing/padding between "Value 3:" and "Value 4:".</p> <p>The following transformation gives my the result I want. But it seems overly complicated (and might not perform very well for a real-life PDF with many values).</p> <pre><code>&lt;xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:fo="http://www.w3.org/1999/XSL/Format"&gt; &lt;xsl:template match="sample"&gt; &lt;fo:root&gt; &lt;fo:layout-master-set&gt; &lt;fo:simple-page-master master-name="page-layout"&gt; &lt;fo:region-body margin="10mm" region-name="body"/&gt; &lt;/fo:simple-page-master&gt; &lt;/fo:layout-master-set&gt; &lt;fo:page-sequence master-reference="page-layout"&gt; &lt;fo:flow flow-name="body"&gt; &lt;fo:block&gt; &lt;xsl:variable name="pad"&gt; &lt;xsl:choose&gt; &lt;xsl:when test="value1"&gt;5&lt;/xsl:when&gt; &lt;xsl:otherwise&gt;25&lt;/xsl:otherwise&gt; &lt;/xsl:choose&gt; &lt;/xsl:variable&gt; &lt;fo:inline padding-right="{$pad}mm"&gt;Value 1: &lt;xsl:value-of select="value1"/&gt;&lt;/fo:inline&gt; Value 2: &lt;xsl:value-of select="value2"/&gt; &lt;/fo:block&gt; &lt;fo:block&gt; &lt;xsl:variable name="pad"&gt; &lt;xsl:choose&gt; &lt;xsl:when test="value3"&gt;5&lt;/xsl:when&gt; &lt;xsl:otherwise&gt;25&lt;/xsl:otherwise&gt; &lt;/xsl:choose&gt; &lt;/xsl:variable&gt; &lt;fo:inline padding-right="{$pad}mm"&gt;Value 3: &lt;xsl:value-of select="value3"/&gt;&lt;/fo:inline&gt; Value 4: &lt;xsl:value-of select="value4"/&gt; &lt;/fo:block&gt; &lt;/fo:flow&gt; &lt;/fo:page-sequence&gt; &lt;/fo:root&gt; &lt;/xsl:template&gt; &lt;/xsl:stylesheet&gt; </code></pre> <p>Is there a simpler/better way to implement this?</p> <p><strong>Update:</strong></p> <p>I refactored the above into a template "field":</p> <pre><code>&lt;xsl:template name="field"&gt; &lt;xsl:param name="txt"/&gt; &lt;xsl:param name="val"/&gt; &lt;xsl:param name="pad"/&gt; &lt;xsl:variable name="p"&gt; &lt;xsl:choose&gt; &lt;xsl:when test="$val"&gt;5&lt;/xsl:when&gt; &lt;xsl:otherwise&gt; &lt;xsl:choose&gt; &lt;xsl:when test="$pad"&gt;&lt;xsl:value-of select="$pad"/&gt;&lt;/xsl:when&gt; &lt;xsl:otherwise&gt;25&lt;/xsl:otherwise&gt; &lt;/xsl:choose&gt; &lt;/xsl:otherwise&gt; &lt;/xsl:choose&gt; &lt;/xsl:variable&gt; &lt;fo:inline padding-right="{$p}mm"&gt;&lt;xsl:value-of select="$txt"/&gt;:&lt;/fo:inline&gt; &lt;fo:inline keep-with-previous="always" padding-right="5mm" font-weight="bold"&gt;&lt;xsl:value-of select="$val"/&gt;&lt;/fo:inline&gt; &lt;/xsl:template&gt; </code></pre> <p>Which can be used like this:</p> <pre><code>&lt;xsl:call-template name="field"&gt; &lt;xsl:with-param name="txt"&gt;Value 1&lt;/xsl:with-param&gt; &lt;xsl:with-param name="val"&gt;&lt;xsl:value-of select="sample/value1"/&gt;&lt;/xsl:with-param&gt; &lt;/xsl:call-template&gt; </code></pre> <p>The template takes a third optional parameter, pad. If specified its value will be used as padding.</p> <p>David's template (see accepted answer) uses a simpler if-contruct where the padding-right attribute is overwritten if needed.</p>
 

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