[XSLT] - Modèle réutilisable... mais comment l'utiliser.
bonjour,
ci apres un template récupéré d'un bouquin qui génére deux axes X,Y pour dessiner un graph (désolé pour la longueur)
Code:
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<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:fn="http://www.w3.org/2005/02/xpath-functions" xmlns:xdt="http://www.w3.org/2005/02/xpath-datatypes">
<!-- Draw a graduated X-Axis -->
<xsl:template name="svgu:xAxis">
<xsl:param name="min"
select="0" as="xs:double"/> <!-- Min x coordinate -->
<xsl:param name="max"
select="100" as="xs:double"/> <!-- Max x coordinate -->
<xsl:param name="offsetX"
select="0" as="xs:double"/> <!-- X offset of axis placement -->
<xsl:param name="offsetY"
select="0" as="xs:double"/> <!-- Y offset of axis placement -->
<xsl:param name="width"
select="500" as="xs:double"/> <!-- Width of the physical
plotting area -->
<xsl:param name="height"
select="500" as="xs:double"/> <!-- Height of the physical plotting area -->
<xsl:param name="majorTicks"
select="10" as="xs:double"/> <!-- Number of major axis divisions -->
<xsl:param name="majorBottomExtent"
select="4" as="xs:double"/> <!-- Length of the major tick mark from
axis downward -->
<xsl:param name="majorTopExtent"
select="$majorBottomExtent" as="xs:double"/> <!-- Length of the major tick
mark from axis upward -->
<xsl:param name="labelMajor"
select="true()" as="xs:boolean"/> <!-- Label the major tick marks if
true -->
<xsl:param name="minorTicks"
select="4" as="xs:integer"/> <!-- Number of minor axis divisions per
major division-->
<xsl:param name="minorBottomExtent"
select="2" as="xs:double"/> <!-- Length of the minor tick mark from
axis downward -->
<xsl:param name="minorTopExtent"
select="$minorBottomExtent" as="xs:double"/> <!-- Length of the minor tick
mark from axis upward -->
<xsl:param name="context" as="xs:item"/> <!-- A user defined context indicator for
formatting template calls. -->
<!-- Compute the range and scaling factors -->
<xsl:variable name="range" select="$max - $min" as="xs:double"/>
<xsl:variable name="scale" select="$width div $range" as="xs:double"/>
<!-- Establish a Cartesian coordinate system with correct offset -->
<!-- and scaling -->
<svg:g transform="translate({$offsetX},{$offsetY+$height})
scale({$scale},-1) translate({$min},0)">
<!-- Draw a line for the axis -->
<svg:line x1="{$min}" y1="0" x2="{$max}" y2="0">
<xsl:attribute name="style">
<!-- Call a template that can be overridden to -->
<!-- determine the axis style -->
<xsl:call-template name="xAxisStyle">
<xsl:with-param name="context" select="$context"/>
</xsl:call-template>
</xsl:attribute>
</svg:line>
<!-- Draw the tick marks and labels -->
<xsl:call-template name="svgu:ticks">
<xsl:with-param name="xMajor1" select="$min" as="xs:double"/>
<xsl:with-param name="yMajor1" select="$majorTopExtent" as="xs:double"/>
<xsl:with-param name="xMajor2" select="$min" as="xs:double"/>
<xsl:with-param name="yMajor2" select="-$majorBottomExtent" as="xs:double"/>
<xsl:with-param name="labelMajor" select="$labelMajor" as="xs:double"/>
<xsl:with-param name="freq" select="$minorTicks" as="xs:integer"/>
<xsl:with-param name="xMinor1" select="$min" as="xs:double"/>
<xsl:with-param name="yMinor1" select="$minorTopExtent" as="xs:double"/>
<xsl:with-param name="xMinor2" select="$min" as="xs:double"/>
<xsl:with-param name="yMinor2" select="-$minorBottomExtent" as="xs:double"/>
<xsl:with-param name="nTicks"
select="$majorTicks * $minorTicks + 1" as="xs:integer"/>
<xsl:with-param name="xIncr"
select="($max - $min) div ($majorTicks * $minorTicks)" as="xs:double"/>
<xsl:with-param name="scale" select="1 div $scale" as="xs:double"/>
</xsl:call-template>
</svg:g>
</xsl:template>
<xsl:template name="svgu:yAxis">
<xsl:param name="min"
select="0" as="xs:double"/> <!-- Min x coordinate -->
<xsl:param name="max"
select="100" as="xs:double"/> <!-- Max x coordinate -->
<xsl:param name="offsetX"
select="0" as="xs:double"/> <!-- X offset of axis placement -->
<xsl:param name="offsetY"
select="0" as="xs:double"/> <!-- Y offset of axis placement -->
<xsl:param name="width"
select="500" as="xs:double"/> <!-- Width of the physical
plotting area -->
<xsl:param name="height"
select="500" as="xs:double"/> <!-- Height of the physical plotting area -->
<xsl:param name="majorTicks"
select="10" as="xs:integer"/> <!-- Number of major axis divisions -->
<xsl:param name="majorLeftExtent"
select="4" as="xs:integer"/> <!-- Length of the major tick mark from
axis downward -->
<xsl:param name="majorRightExtent"
select="$majorBottomExtent" as="xs:double"/> <!-- Length of the major tick
mark from axis upward -->
<xsl:param name="labelMajor"
select="true()" as="xs:boolean"/> <!-- Label the major tick marks if
true -->
<xsl:param name="minorTicks"
select="4" as="xs:integer"/> <!-- Number of minor axis divisions per
major division-->
<xsl:param name="minorLeftExtent"
select="2" as="xs:double"/> <!-- Length of the minor tick mark from
axis right -->
<xsl:param name="minorRightExtent"
select="$minorBottomExtent" as="xs:double"/> <!-- Length of the minor tick
mark from axis left -->
<xsl:param name="context" as="xs:item"/> <!-- A user defined context indicator for
formatting template calls -->
<xsl:param name="majorLeftExtent"
select="4" as="xs:double"/>
<xsl:param name="majorRightExtent"
select="$majorLeftExtent" as="xs:double"/>
<xsl:param name="minorLeftExtent"
select="2" as="xs:double"/>
<xsl:param name="minorRightExtent"
select="$minorLeftExtent" as="xs:double"/>
<!-- Compute the range and scaling factors -->
<xsl:variable name="range" select="$max - $min" as="xs:double"/>
<xsl:variable name="scale" select="$height div $range" as="xs:double"/>
<!-- Establish a Cartesian coordinate system with correct offset -->
<!-- and scaling -->
<svg:g transform="translate({$offsetX},{$offsetY+$height})
scale(1,{-$scale}) translate(0,{-$min})">
<svg:line x1="0" y1="{$min}" x2="0" y2="{$max}">
<xsl:attribute name="style">
<xsl:call-template name="yAxisStyle">
<xsl:with-param name="context" select="$context"/>
</xsl:call-template>
</xsl:attribute>
</svg:line>
<xsl:call-template name="svgu:ticks">
<xsl:with-param name="xMajor1" select="-$majorLeftExtent"/>
<xsl:with-param name="yMajor1" select="$min"/>
<xsl:with-param name="xMajor2" select="$majorRightExtent"/>
<xsl:with-param name="yMajor2" select="$min"/>
<xsl:with-param name="labelMajor" select="$labelMajor"/>
<xsl:with-param name="freq" select="$minorTicks"/>
<xsl:with-param name="xMinor1" select="-$minorLeftExtent"/>
<xsl:with-param name="yMinor1" select="$min"/>
<xsl:with-param name="xMinor2" select="$minorRightExtent"/>
<xsl:with-param name="yMinor2" select="$min"/>
<xsl:with-param name="nTicks"
select="$majorTicks * $minorTicks + 1"/>
<xsl:with-param name="yIncr"
select="($max - $min) div ($majorTicks * $minorTicks)"/>
<xsl:with-param name="scale" select="1 div $scale"/>
</xsl:call-template>
</svg:g>
</xsl:template>
<!--Recursive utility for drawing tick marks and labels -->
<xsl:template name="svgu:ticks">
<xsl:param name="xMajor1" />
<xsl:param name="yMajor1" />
<xsl:param name="xMajor2" />
<xsl:param name="yMajor2" />
<xsl:param name="labelMajor"/>
<xsl:param name="freq" />
<xsl:param name="xMinor1" />
<xsl:param name="yMinor1" />
<xsl:param name="xMinor2" />
<xsl:param name="yMinor2" />
<xsl:param name="nTicks" select="0"/>
<xsl:param name="xIncr" select="0"/>
<xsl:param name="yIncr" select="0"/>
<xsl:param name="i" select="0"/>
<xsl:param name="scale"/>
<xsl:param name="context"/>
<xsl:if test="$i < $nTicks">
<xsl:choose>
<!-- Time to draw a major tick -->
<xsl:when test="$i mod $freq = 0">
<svg:line x1="{$xMajor1}" y1="{$yMajor1}"
x2="{$xMajor2}" y2="{$yMajor2}">
</svg:line>
<xsl:if test="$labelMajor">
<xsl:choose>
<!-- Ticking along x-axis -->
<xsl:when test="$xIncr > 0">
<!-- Tick label must compensate for distorted coordinate
system -->
<svg:text x="{$xMajor1}" y="{$yMajor2}"
transform="translate({$xMajor1},{$yMajor2})
scale({$scale},-1)
translate({-$xMajor1},{-$yMajor2})">
<xsl:attribute name="style">
<xsl:call-template name="xAxisLabelStyle">
<xsl:with-param name="context"
select="$context"/>
</xsl:call-template>
</xsl:attribute>
<!-- Perhaps label format should be parameter -->
<xsl:value-of select="format-number($xMajor1,'#0.0')"/>
</svg:text>
</xsl:when>
<!-- Ticking along y-axis -->
<xsl:otherwise>
<svg:text x="{$xMajor1}" y="{$yMajor1}"
transform="translate({$xMajor1},{$yMajor1})
scale(1,{-$scale})
translate({-$xMajor1},{-$yMajor1})">
<xsl:attribute name="style">
<xsl:call-template name="yAxisLabelStyle">
<xsl:with-param name="context" select="$context"/>
</xsl:call-template>
</xsl:attribute>
<xsl:value-of select="format-number($yMajor1,'#0.0')"/>
</svg:text>
</xsl:otherwise>
</xsl:choose>
</xsl:if>
</xsl:when>
<!-- Time to draw a minor tick -->
<xsl:otherwise>
<svg:line x1="{$xMinor1}" y1="{$yMinor1}"
x2="{$xMinor2}" y2="{$yMinor2}">
</svg:line>
</xsl:otherwise>
</xsl:choose>
<!-- Recursive call for next tick -->
<xsl:call-template name="svgu:ticks">
<xsl:with-param name="xMajor1" select="$xMajor1 + $xIncr"/>
<xsl:with-param name="yMajor1" select="$yMajor1 + $yIncr"/>
<xsl:with-param name="xMajor2" select="$xMajor2 + $xIncr"/>
<xsl:with-param name="yMajor2" select="$yMajor2 + $yIncr"/>
<xsl:with-param name="labelMajor" select="$labelMajor"/>
<xsl:with-param name="freq" select="$freq"/>
<xsl:with-param name="xMinor1" select="$xMinor1 + $xIncr"/>
<xsl:with-param name="yMinor1" select="$yMinor1 + $yIncr"/>
<xsl:with-param name="xMinor2" select="$xMinor2 + $xIncr"/>
<xsl:with-param name="yMinor2" select="$yMinor2 + $yIncr"/>
<xsl:with-param name="nTicks" select="$nTicks"/>
<xsl:with-param name="xIncr" select="$xIncr"/>
<xsl:with-param name="yIncr" select="$yIncr"/>
<xsl:with-param name="i" select="$i + 1"/>
<xsl:with-param name="scale" select="$scale"/>
<xsl:with-param name="context" select="$context"/>
</xsl:call-template>
</xsl:if>
</xsl:template>
<!-- Override this template to change x-axis style -->
<xsl:template name="xAxisStyle">
<xsl:param name="context"/>
<xsl:text>stroke-width:0.5;stroke:black</xsl:text>
</xsl:template>
<!-- Override this template to change y-axis style -->
<xsl:template name="yAxisStyle">
<xsl:param name="context"/>
<xsl:text>stroke-width:0.5;stroke:black</xsl:text>
</xsl:template>
<!-- Override this template to change x-axis label style -->
<xsl:template name="xAxisLabelStyle">
<xsl:param name="context"/>
<xsl:text>text-anchor:middle; font-size:8;
baseline-shift:-110%</xsl:text>
</xsl:template>
<!-- Override this template to change y-axis label style -->
<xsl:template name="yAxisLabelStyle">
<xsl:param name="context"/>
<xsl:text>text-anchor:end;font-size:8;baseline-shift:-50%</xsl:text>
</xsl:template>
</xsl:stylesheet> |
ma question : que peut on faire de ca ? ce fichier ne contient que des variables et des définitions et parametres ...
en effet le peu que j'ai vu de XSLT & de ce que j'en ai compris contenait au moins une fois 'apply-template', <xsl:template match..>, ... je sais comment convertir un document XML en autre doc XML/HTML ou autres mais dans l'exemple ci-dessus c'est juste une collection de template ?:: comment les utiliser ??
si quelqu'un aurai un exemple avec xsltproc ?
merci d'avance.
