pentext/xml/xslt/piecharts.xslt
2019-11-08 10:37:18 +01:00

635 lines
36 KiB
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<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:fo="http://www.w3.org/1999/XSL/Format"
xmlns:svg="http://www.w3.org/2000/svg" xmlns:math="http://www.w3.org/2005/xpath-functions/math"
xmlns:my="http://www.radical.sexy" exclude-result-prefixes="xs math" version="2.0">
<!-- Note: any svg here should be output as <svg xmlns:svg="http://www.w3.org/2000/svg"> rather than <svg:svg> to make the result readable both by xsl-fo parsers and html5 parsers (fop and browsers, specifically ;) -->
<xsl:template match="generate_piechart">
<xsl:choose>
<xsl:when test="//finding">
<!-- only generate pie chart if there are findings in the report - otherwise we get into trouble with empty percentages and divisions by zero -->
<xsl:call-template name="do_generate_piechart">
<xsl:with-param name="pieAttr" select="@pieAttr"/>
<xsl:with-param name="pieElem" select="@pieElem"/>
<xsl:with-param name="status" select="@status"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="displayErrorText">
<xsl:with-param name="string">Pie chart can only be generated when there are
findings in the report. Get to work! ;)</xsl:with-param>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="do_generate_piechart">
<!-- Get the numbers -->
<!-- generate_piechart @type="type" or "threatLevel" -->
<xsl:param name="pieAttr" select="@pieAttr"/>
<xsl:param name="pieElem" select="@pieElem"/>
<xsl:param name="pieHeight" as="xs:integer" select="200"/>
<xsl:param name="status" select="@status"/>
<xsl:variable name="statusSequence" as="item()*">
<xsl:for-each select="$status">
<xsl:for-each select="tokenize(., ' ')">
<xsl:value-of select="."/>
</xsl:for-each>
</xsl:for-each>
</xsl:variable>
<xsl:variable name="pieTotal">
<xsl:choose>
<xsl:when test="not(@status)">
<xsl:value-of select="count(//*[local-name() = $pieElem])"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of
select="count(//*[local-name() = $pieElem][@status = $statusSequence])"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<!-- Create generic nodeset with values -->
<xsl:variable name="unsortedPieTable">
<xsl:choose>
<xsl:when test="not(@status)">
<xsl:for-each-group select="//*[local-name() = $pieElem]"
group-by="@*[name() = $pieAttr]">
<pieEntry>
<pieEntryLabel>
<xsl:value-of select="current-grouping-key()"/>
</pieEntryLabel>
<pieEntryCount>
<xsl:value-of
select="count(//*[local-name() = $pieElem][@*[name() = $pieAttr]][@* = current-grouping-key()])"
/>
</pieEntryCount>
</pieEntry>
</xsl:for-each-group>
</xsl:when>
<xsl:otherwise>
<xsl:for-each-group
select="//*[local-name() = $pieElem][@status = $statusSequence]"
group-by="@*[name() = $pieAttr]">
<pieEntry>
<pieEntryLabel>
<xsl:value-of select="current-grouping-key()"/>
</pieEntryLabel>
<pieEntryCount>
<xsl:value-of
select="count(//*[local-name() = $pieElem][@*[name() = $pieAttr]][@status = $statusSequence][@* = current-grouping-key()])"
/>
</pieEntryCount>
</pieEntry>
</xsl:for-each-group>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="pieHeightHalf" as="xs:double" select="$pieHeight div 2"/>
<!-- Now we need to sort that pieTable - custom order for threat levels, 'count' descending order for all other types -->
<xsl:variable name="sortedPieTable">
<xsl:choose>
<xsl:when test="$pieElem = 'finding' and $pieAttr = 'threatLevel'">
<xsl:for-each select="$unsortedPieTable/pieEntry">
<xsl:sort data-type="number" order="descending"
select="
(number(pieEntryLabel = 'Extreme') * 10)
+ (number(pieEntryLabel = 'High') * 9)
+ (number(pieEntryLabel = 'Elevated') * 8)
+ (number(pieEntryLabel = 'Moderate') * 7)
+ (number(pieEntryLabel = 'Low') * 6)
+ (number(pieEntryLabel = 'Unknown') * 3)
+ (number(pieEntryLabel = 'N/A') * 1)"/>
<pieEntry>
<pieEntryLabel>
<xsl:value-of select="pieEntryLabel"/>
</pieEntryLabel>
<pieEntryCount>
<xsl:value-of select="pieEntryCount"/>
</pieEntryCount>
</pieEntry>
</xsl:for-each>
</xsl:when>
<xsl:when test="$pieElem = 'finding' and $pieAttr = 'status'">
<xsl:for-each select="$unsortedPieTable/pieEntry">
<xsl:sort data-type="number" order="descending"
select="
(number(pieEntryLabel = 'new') * 10)
+ (number(pieEntryLabel = 'unresolved') * 9)
+ (number(pieEntryLabel = 'not_retested') * 8)
+ (number(pieEntryLabel = 'resolved') * 7)"/>
<pieEntry>
<pieEntryLabel>
<xsl:value-of select="pieEntryLabel"/>
</pieEntryLabel>
<pieEntryCount>
<xsl:value-of select="pieEntryCount"/>
</pieEntryCount>
</pieEntry>
</xsl:for-each>
</xsl:when>
<xsl:otherwise>
<xsl:for-each select="$unsortedPieTable/pieEntry">
<xsl:sort data-type="number" order="descending" select="pieEntryCount"/>
<pieEntry>
<pieEntryLabel>
<xsl:value-of select="pieEntryLabel"/>
</pieEntryLabel>
<pieEntryCount>
<xsl:value-of select="pieEntryCount"/>
</pieEntryCount>
</pieEntry>
</xsl:for-each>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="threshold" as="xs:integer">
<!-- threshold is usually 2 (everything below it gets thrown in 'other' bin if they get too numerous)
sometimes it's three if the 2-type slices also get too numerous and take up too much space -->
<xsl:choose>
<!-- -->
<xsl:when
test="(count($sortedPieTable/pieEntry) > 16) and (count($sortedPieTable/pieEntry/pieEntryCount[. = 2]) &gt; 5) and ((1 div $pieTotal * 100) &lt; 2.5) and (sum($sortedPieTable/pieEntry/pieEntryCount[. &lt; 3]) div $pieTotal * 100 &lt; 50)"
>3</xsl:when>
<xsl:otherwise>2</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="sumBelowThreshold">
<xsl:value-of select="sum($sortedPieTable/pieEntry/pieEntryCount[. &lt; $threshold])"/>
</xsl:variable>
<xsl:variable name="pieTable">
<xsl:choose>
<xsl:when
test="(not($pieAttr = 'threatLevel') and $sumBelowThreshold > 4 and (1 div $pieTotal * 100) &lt; 5 and ($sumBelowThreshold div $pieTotal * 100) &lt; 50) or (not($pieAttr = 'threatLevel') and count($sortedPieTable/pieEntry) > 16)">
<!-- Group below-threshold pie slices into 'Other' if:
- there are more than 4 single-type slices and
- they are small percentages (i.e. 1 single-type slice is less than 5%) and
- they take up less than 50% of the chart
(otherwise just print them out) -->
<xsl:for-each
select="$sortedPieTable/pieEntry[child::pieEntryCount &gt;= $threshold]">
<pieEntry>
<pieEntryLabel>
<xsl:value-of select="pieEntryLabel"/>
</pieEntryLabel>
<pieEntryCount>
<xsl:value-of select="pieEntryCount"/>
</pieEntryCount>
</pieEntry>
</xsl:for-each>
</xsl:when>
<xsl:otherwise>
<xsl:copy-of select="$sortedPieTable" copy-namespaces="no"/>
</xsl:otherwise>
</xsl:choose>
<xsl:if
test="(not($pieAttr = 'threatLevel') and $sumBelowThreshold > 4 and (1 div $pieTotal * 100) &lt; 5 and ($sumBelowThreshold div $pieTotal * 100) &lt; 50) or (not($pieAttr = 'threatLevel') and count($sortedPieTable/pieEntry) > 16)">
<pieEntry>
<pieEntryLabel>
<xsl:text>Other</xsl:text>
</pieEntryLabel>
<pieEntryCount>
<xsl:value-of select="$sumBelowThreshold"/>
</pieEntryCount>
</pieEntry>
</xsl:if>
</xsl:variable>
<xsl:variable name="no_entries" select="count($pieTable/pieEntry)"/>
<xsl:if
test="($pieAttr = 'type' and //finding[not(@type)]) or ($pieAttr = 'type' and //finding[@type = ''])">
<xsl:call-template name="displayErrorText">
<xsl:with-param name="string"> WARNING: Piechart may look weird - the following
findings are missing a type attribute:<xsl:for-each
select="//finding[@type = ''] | //finding[not(@type)]"> [<xsl:value-of
select="@id"/>] </xsl:for-each>
</xsl:with-param>
</xsl:call-template>
</xsl:if>
<xsl:call-template name="output_piechart_with_legend">
<xsl:with-param name="pieTable" select="$pieTable"/>
<xsl:with-param name="pieHeight" select="$pieHeight"/>
<xsl:with-param name="pieTotal" select="$pieTotal"/>
<xsl:with-param name="no_entries" select="$no_entries"/>
<xsl:with-param name="pieHeightHalf" select="$pieHeightHalf"/>
<xsl:with-param name="pieAttr" select="$pieAttr"/>
</xsl:call-template>
</xsl:template>
<xsl:template name="pie_svg">
<xsl:param name="pieHeight"/>
<xsl:param name="pieTotal"/>
<xsl:param name="no_entries"/>
<xsl:param name="pieHeightHalf"/>
<svg xmlns="http://www.w3.org/2000/svg" width="300" height="225" viewBox="-40 -20 300 250">
<!-- The bit below tried to configure the piechart size but basically nobody ever changes it and it just makes it all way too difficult -->
<!-- width and height of the viewport -->
<!--<xsl:attribute name="width">
<xsl:value-of select="$pieHeight + $spacing_for_percentage_labels * 2"/>
</xsl:attribute>
<xsl:attribute name="height">
<xsl:value-of select="$pieHeight + $spacing_for_percentage_labels * 2"/>
</xsl:attribute>
<!-\- viewBox to scale -\->
<xsl:attribute name="viewBox">
<!-\- start viewbox 15px to the left and make it 15px larger to catch svg's cutoff text -\->
<xsl:value-of select="concat(-$spacing_for_percentage_labels, ' 0 ', $pieHeight + $spacing_for_percentage_labels * 2, ' ', $pieHeight + ($spacing_for_percentage_labels * 3))"
/>
</xsl:attribute>-->
<!--call the template starting at the last slice-->
<xsl:call-template name="pie_chart_slice">
<xsl:with-param name="pieTotal" select="$pieTotal"/>
<xsl:with-param name="no_entries" select="$no_entries"/>
<xsl:with-param name="position" select="$no_entries"/>
<xsl:with-param name="middle_x" select="$pieHeightHalf"/>
<xsl:with-param name="middle_y" select="$pieHeightHalf"/>
<xsl:with-param name="move_x" select="0"/>
<xsl:with-param name="radius" select="$pieHeightHalf div 100 * 85"/>
</xsl:call-template>
</svg>
</xsl:template>
<xsl:template name="pie_chart_slice">
<xsl:param name="pieTotal"/>
<xsl:param name="position"/>
<xsl:param name="no_entries"/>
<xsl:param name="middle_x"/>
<xsl:param name="middle_y"/>
<xsl:param name="move_x"/>
<xsl:param name="radius"/>
<!--prepare the middle part of the arc command-->
<xsl:variable name="middle" select="concat('M', ' ', $middle_x, ',', $middle_y)"/>
<xsl:variable name="part" as="xs:double"
select="sum(//pieEntry[position() &lt;= $position]/pieEntryCount)"/>
<!-- sum of pieEntryCounts up to this point -->
<xsl:variable name="angle" select="($part div $pieTotal) * 360"/>
<xsl:variable name="x" select="math:sin(3.1415292 * $angle div 180.0) * $radius"/>
<xsl:variable name="y" select="math:cos(3.1415292 * $angle div 180.0) * $radius"/>
<xsl:variable name="move_y" select="-$radius"/>
<xsl:variable name="first_line" select="concat('l', ' ', $move_x, ',', $move_y)"/>
<xsl:variable name="arc_move1" select="'0'"/>
<xsl:variable name="arc_move2">
<xsl:choose>
<!--check the direction of the arc: inward or outward-->
<xsl:when test="$angle &lt;= 180">0</xsl:when>
<xsl:otherwise>1</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="arc_move3" select="'1'"/>
<xsl:variable name="arc_move" select="concat($arc_move1, ' ', $arc_move2, ',', $arc_move3)"/>
<xsl:variable name="d"
select="concat($middle, ' ', $first_line, ' ', 'a ', $radius, ',', $radius, ' ', $arc_move, ' ', $x, ',', $radius - $y, ' ', 'z')"/>
<!--put it all together-->
<path xmlns="http://www.w3.org/2000/svg" stroke="white" stroke-width="1"
stroke-linejoin="round">
<xsl:attribute name="fill">
<xsl:call-template name="selectColor">
<xsl:with-param name="position" select="$position"/>
<xsl:with-param name="label"
select="//pieEntry[position() = $position]/pieEntryLabel"/>
</xsl:call-template>
</xsl:attribute>
<xsl:attribute name="d">
<xsl:value-of select="$d"/>
</xsl:attribute>
</path>
<!--now the percentage-->
<xsl:variable name="percentage" as="xs:double"
select="(//pieEntry[position() = $position]/pieEntryCount div sum(//pieEntry/pieEntryCount)) * 100"/>
<xsl:variable name="part_half" as="xs:double"
select="(//pieEntry[position() = $position]/pieEntryCount div sum(//pieEntry/pieEntryCount)) div 2 * 360"/>
<xsl:variable name="text_angle" as="xs:double" select="$angle - $part_half"/>
<xsl:variable name="text_x"
select="math:sin(3.1415292 * (($angle - $part_half) div 180.0)) * ($radius * 0.8)"/>
<xsl:variable name="text_y"
select="math:cos(3.1415292 * (($angle - $part_half) div 180.0)) * ($radius * 0.8)"/>
<xsl:variable name="text_line_x"
select="math:sin(3.1415292 * (($angle - $part_half) div 180.0)) * ($radius * 1.15)"/>
<xsl:variable name="text_line_y"
select="math:cos(3.1415292 * (($angle - $part_half) div 180.0)) * ($radius * 1.15)"/>
<!--we either put it on the edge of the pie directly or have a line pointing into the slice, depending on how thick the slice is-->
<xsl:choose>
<xsl:when test="$percentage >= 3.5">
<!--on the edge-->
<xsl:call-template name="pie_percentage_large_slice_style">
<xsl:with-param name="text_angle" select="$text_angle"/>
<xsl:with-param name="middle_x" select="$middle_x"/>
<xsl:with-param name="text_line_x" select="$text_line_x"/>
<xsl:with-param name="percentage" select="$percentage"/>
<xsl:with-param name="part_half" select="$part_half"/>
<xsl:with-param name="middle_y" select="$middle_y"/>
<xsl:with-param name="text_line_y" select="$text_line_y"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<!--extra line pointing into the slice-->
<xsl:variable name="line_dir">
<xsl:choose>
<!--when in the first half of the pie, have the line point to the right, otherwise to the left -->
<xsl:when test="$angle &lt;= 180">+10</xsl:when>
<xsl:otherwise>-10</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="text_x_relative_to_line">
<xsl:choose>
<!--when in the first half of the pie, have the text be on the right of the line, otherwise on the left -->
<xsl:when test="$angle &lt;= 180">
<xsl:value-of select="$middle_x + $text_line_x + $line_dir * 2 + 11"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$middle_x + $text_line_x - 11"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<path xmlns="http://www.w3.org/2000/svg" stroke="black" stroke-width="1"
stroke-linejoin="round">
<xsl:attribute name="fill">none</xsl:attribute>
<xsl:attribute name="d">
<xsl:value-of
select="concat('M', ' ', $middle_x + $text_x, ',', $middle_y - $text_y, ' ', 'L', ' ', $middle_x + $text_line_x, ',', $middle_y - $text_line_y, ' ', 'H', ' ', $middle_x + $text_line_x + $line_dir)"
/>
</xsl:attribute>
</path>
<xsl:call-template name="pie_percentage_small_slice_style">
<xsl:with-param name="text_x_relative_to_line" select="$text_x_relative_to_line"/>
<xsl:with-param name="middle_y" select="$middle_y"/>
<xsl:with-param name="text_line_y" select="$text_line_y"/>
<xsl:with-param name="percentage" select="$percentage"/>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
<!--loop until we reach the first part-->
<xsl:if test="$position > 1">
<xsl:call-template name="pie_chart_slice">
<xsl:with-param name="pieTotal" select="$pieTotal"/>
<xsl:with-param name="position" select="$position - 1"/>
<xsl:with-param name="no_entries" select="$no_entries"/>
<xsl:with-param name="middle_x" select="$middle_x"/>
<xsl:with-param name="middle_y" select="$middle_y"/>
<xsl:with-param name="move_x" select="$move_x"/>
<xsl:with-param name="radius" select="$radius"/>
</xsl:call-template>
</xsl:if>
</xsl:template>
<xsl:template name="pie_percentage_small_slice_content">
<xsl:param name="text_x_relative_to_line"/>
<xsl:param name="middle_y"/>
<xsl:param name="text_line_y"/>
<xsl:param name="percentage"/>
<xsl:attribute name="x">
<!-- placement of text depends on where extra line is pointing -->
<xsl:value-of select="$text_x_relative_to_line"/>
</xsl:attribute>
<xsl:attribute name="y">
<xsl:value-of select="$middle_y - $text_line_y + 1"/>
</xsl:attribute>
<xsl:value-of select="format-number($percentage, '##,##0.0')"/>
<xsl:text>%</xsl:text>
</xsl:template>
<xsl:template name="pie_percentage_large_slice_content">
<xsl:param name="text_angle"/>
<xsl:param name="middle_x"/>
<xsl:param name="text_line_x"/>
<xsl:param name="percentage"/>
<xsl:param name="part_half"/>
<xsl:param name="middle_y"/>
<xsl:param name="text_line_y"/>
<xsl:attribute name="x">
<xsl:choose>
<!-- try for some better placement of percentages than the standard -->
<xsl:when test="$text_angle &lt;= 22.5">
<xsl:value-of select="$middle_x + $text_line_x"/>
<xsl:call-template name="piechartdebug">
<xsl:with-param name="text_angle" select="$text_angle"/>
<xsl:with-param name="percentage" select="$percentage"/>
<xsl:with-param name="part_half" select="$part_half"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="$text_angle &lt;= 45 and $text_angle &gt; 22.5">
<xsl:value-of select="$middle_x + $text_line_x"/>
<xsl:call-template name="piechartdebug">
<xsl:with-param name="text_angle" select="$text_angle"/>
<xsl:with-param name="percentage" select="$percentage"/>
<xsl:with-param name="part_half" select="$part_half"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="$text_angle &lt;= 67.5 and $text_angle &gt; 45">
<xsl:value-of select="$middle_x + $text_line_x - 8"/>
<xsl:call-template name="piechartdebug">
<xsl:with-param name="text_angle" select="$text_angle"/>
<xsl:with-param name="percentage" select="$percentage"/>
<xsl:with-param name="part_half" select="$part_half"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="$text_angle &lt;= 85 and $text_angle &gt; 67.5">
<xsl:value-of select="$middle_x + $text_line_x - 8"/>
<xsl:call-template name="piechartdebug">
<xsl:with-param name="text_angle" select="$text_angle"/>
<xsl:with-param name="percentage" select="$percentage"/>
<xsl:with-param name="part_half" select="$part_half"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="$text_angle &lt;= 95 and $text_angle &gt; 85">
<xsl:value-of select="$middle_x + $text_line_x - 8"/>
<xsl:call-template name="piechartdebug">
<xsl:with-param name="text_angle" select="$text_angle"/>
<xsl:with-param name="percentage" select="$percentage"/>
<xsl:with-param name="part_half" select="$part_half"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="$text_angle &lt;= 112.5 and $text_angle &gt; 95">
<xsl:value-of select="$middle_x + $text_line_x - 8"/>
<xsl:call-template name="piechartdebug">
<xsl:with-param name="text_angle" select="$text_angle"/>
<xsl:with-param name="percentage" select="$percentage"/>
<xsl:with-param name="part_half" select="$part_half"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="$text_angle &lt;= 135 and $text_angle &gt; 112.5">
<xsl:value-of select="$middle_x + $text_line_x - 8"/>
<xsl:call-template name="piechartdebug">
<xsl:with-param name="text_angle" select="$text_angle"/>
<xsl:with-param name="percentage" select="$percentage"/>
<xsl:with-param name="part_half" select="$part_half"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="$text_angle &lt;= 157.5 and $text_angle &gt; 135">
<xsl:value-of select="$middle_x + $text_line_x"/>
<xsl:call-template name="piechartdebug">
<xsl:with-param name="text_angle" select="$text_angle"/>
<xsl:with-param name="percentage" select="$percentage"/>
<xsl:with-param name="part_half" select="$part_half"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="$text_angle &lt;= 180 and $text_angle &gt; 157.5">
<xsl:value-of select="$middle_x + $text_line_x"/>
<xsl:call-template name="piechartdebug">
<xsl:with-param name="text_angle" select="$text_angle"/>
<xsl:with-param name="percentage" select="$percentage"/>
<xsl:with-param name="part_half" select="$part_half"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="$text_angle &lt;= 202.5 and $text_angle &gt; 180">
<xsl:value-of select="$middle_x + $text_line_x"/>
<xsl:call-template name="piechartdebug">
<xsl:with-param name="text_angle" select="$text_angle"/>
<xsl:with-param name="percentage" select="$percentage"/>
<xsl:with-param name="part_half" select="$part_half"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="$text_angle &lt;= 225 and $text_angle &gt; 202.5">
<xsl:value-of select="$middle_x + $text_line_x"/>
<xsl:call-template name="piechartdebug">
<xsl:with-param name="text_angle" select="$text_angle"/>
<xsl:with-param name="percentage" select="$percentage"/>
<xsl:with-param name="part_half" select="$part_half"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="$text_angle &lt;= 247.5 and $text_angle &gt; 225">
<xsl:value-of select="$middle_x + $text_line_x + 8"/>
<xsl:call-template name="piechartdebug">
<xsl:with-param name="text_angle" select="$text_angle"/>
<xsl:with-param name="percentage" select="$percentage"/>
<xsl:with-param name="part_half" select="$part_half"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="$text_angle &lt;= 265 and $text_angle &gt; 247.5">
<xsl:value-of select="$middle_x + $text_line_x + 8"/>
<xsl:call-template name="piechartdebug">
<xsl:with-param name="text_angle" select="$text_angle"/>
<xsl:with-param name="percentage" select="$percentage"/>
<xsl:with-param name="part_half" select="$part_half"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="$text_angle &lt;= 275 and $text_angle &gt; 265">
<xsl:value-of select="$middle_x + $text_line_x + 8"/>
<xsl:call-template name="piechartdebug">
<xsl:with-param name="text_angle" select="$text_angle"/>
<xsl:with-param name="percentage" select="$percentage"/>
<xsl:with-param name="part_half" select="$part_half"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="$text_angle &lt;= 292.5 and $text_angle &gt; 275">
<xsl:value-of select="$middle_x + $text_line_x + 8"/>
<xsl:call-template name="piechartdebug">
<xsl:with-param name="text_angle" select="$text_angle"/>
<xsl:with-param name="percentage" select="$percentage"/>
<xsl:with-param name="part_half" select="$part_half"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="$text_angle &lt;= 315 and $text_angle &gt; 292.5">
<xsl:value-of select="$middle_x + $text_line_x + 6"/>
<xsl:call-template name="piechartdebug">
<xsl:with-param name="text_angle" select="$text_angle"/>
<xsl:with-param name="percentage" select="$percentage"/>
<xsl:with-param name="part_half" select="$part_half"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="$text_angle &lt;= 337.5 and $text_angle &gt; 315">
<xsl:value-of select="$middle_x + $text_line_x"/>
<xsl:call-template name="piechartdebug">
<xsl:with-param name="text_angle" select="$text_angle"/>
<xsl:with-param name="percentage" select="$percentage"/>
<xsl:with-param name="part_half" select="$part_half"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="$text_angle &lt;= 360 and $text_angle &gt; 337.5">
<xsl:value-of select="$middle_x + $text_line_x"/>
<xsl:call-template name="piechartdebug">
<xsl:with-param name="text_angle" select="$text_angle"/>
<xsl:with-param name="percentage" select="$percentage"/>
<xsl:with-param name="part_half" select="$part_half"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$middle_x + $text_line_x"/>
</xsl:otherwise>
</xsl:choose>
</xsl:attribute>
<xsl:attribute name="y">
<xsl:choose>
<!-- when in top right/bottom left quarters of circle, bring percentage text a bit closer to the circle -->
<xsl:when test="$text_angle &lt;= 22.5">
<xsl:value-of select="$middle_y - $text_line_y + 5"/>
</xsl:when>
<xsl:when test="$text_angle &lt;= 45 and $text_angle &gt; 22.5">
<xsl:value-of select="$middle_y - $text_line_y + 4"/>
</xsl:when>
<xsl:when test="$text_angle &lt;= 67.5 and $text_angle &gt; 45">
<xsl:value-of select="$middle_y - $text_line_y + 3"/>
</xsl:when>
<xsl:when test="$text_angle &lt;= 90 and $text_angle &gt; 67.5">
<xsl:value-of select="$middle_y - $text_line_y + 2"/>
</xsl:when>
<xsl:when test="$text_angle &lt;= 112.5 and $text_angle &gt; 90">
<xsl:value-of select="$middle_y - $text_line_y + 1"/>
</xsl:when>
<xsl:when test="$text_angle &lt;= 135 and $text_angle &gt; 112.5">
<xsl:value-of select="$middle_y - $text_line_y - 1"/>
</xsl:when>
<xsl:when test="$text_angle &lt;= 157.5 and $text_angle &gt; 135">
<xsl:value-of select="$middle_y - $text_line_y + 1"/>
</xsl:when>
<xsl:when test="$text_angle &lt;= 180 and $text_angle &gt; 157.5">
<xsl:value-of select="$middle_y - $text_line_y - 0"/>
</xsl:when>
<xsl:when test="$text_angle &lt;= 202.5 and $text_angle &gt; 180">
<xsl:value-of select="$middle_y - $text_line_y - 0"/>
</xsl:when>
<xsl:when test="$text_angle &lt;= 225 and $text_angle &gt; 202.5">
<xsl:value-of select="$middle_y - $text_line_y + 1"/>
</xsl:when>
<xsl:when test="$text_angle &lt;= 247.5 and $text_angle &gt; 225">
<xsl:value-of select="$middle_y - $text_line_y - 1"/>
</xsl:when>
<xsl:when test="$text_angle &lt;= 270 and $text_angle &gt; 247.5">
<xsl:value-of select="$middle_y - $text_line_y + 1"/>
</xsl:when>
<xsl:when test="$text_angle &lt;= 292.5 and $text_angle &gt; 270">
<xsl:value-of select="$middle_y - $text_line_y + 2"/>
</xsl:when>
<xsl:when test="$text_angle &lt;= 315 and $text_angle &gt; 292.5">
<xsl:value-of select="$middle_y - $text_line_y + 3"/>
</xsl:when>
<xsl:when test="$text_angle &lt;= 337.5 and $text_angle &gt; 315">
<xsl:value-of select="$middle_y - $text_line_y + 4"/>
</xsl:when>
<xsl:when test="$text_angle &lt;= 360 and $text_angle &gt; 337.5">
<xsl:value-of select="$middle_y - $text_line_y + 5"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$middle_y - $text_line_y"/>
</xsl:otherwise>
</xsl:choose>
</xsl:attribute>
<xsl:attribute name="text-anchor">
<xsl:choose>
<!-- when in top/bottom quarters of circle, text is anchored in the middle, when left on end, when right on start -->
<xsl:when
test="($text_angle &gt;= 315 or $text_angle &lt;= 45) or ($text_angle &lt;= 225 and $text_angle &gt;= 135)"
>middle</xsl:when>
<xsl:when test="$text_angle &lt; 135 and $text_angle &gt; 45">start</xsl:when>
<xsl:when test="$text_angle &lt; 315 and $text_angle &gt; 225">end</xsl:when>
<xsl:otherwise>middle</xsl:otherwise>
</xsl:choose>
</xsl:attribute>
<xsl:value-of select="format-number($percentage, '##,##0.0')"/>
<xsl:text>%</xsl:text>
</xsl:template>
<xsl:template name="piechartdebug">
<xsl:param name="text_angle"/>
<xsl:param name="part_half"/>
<xsl:param name="percentage"/>
<!--<xsl:message>PERCENTAGE: <xsl:value-of select="$percentage"/></xsl:message>
<xsl:message>TEXT ANGLE: <xsl:value-of select="$text_angle"/></xsl:message>-->
</xsl:template>
</xsl:stylesheet>