FSFE/fsfe-website
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only create a/img element if there actually is a preview image

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This commit is contained in:
Max Mehl 2022-03-18 13:34:04 +01:00
parent 4714387519
commit 682ec2a2ba
Signed by: max.mehl
GPG Key ID: 2704E4AB371E2E92
1 changed files with 53 additions and 44 deletions
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97
build/xslt/news.xsl
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@ -17,34 +17,57 @@
<!-- Define the URL of the image -->
<xsl:template name="news-image">
<xsl:param name="shrink" />
<xsl:variable name="img-src">
<xsl:choose>
<xsl:when test="$shrink = 'yes'">
<xsl:call-template name="str:subst">
<xsl:with-param name="text">
<xsl:call-template name="str:subst">
<xsl:with-param name="text" select="image/@url" />
<xsl:with-param name="replace" select="'/big/'" />
<xsl:with-param name="with" select="'/small/'" />
</xsl:call-template>
</xsl:with-param>
<xsl:with-param name="replace" select="'/medium/'" />
<xsl:with-param name="with" select="'/small/'" />
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="image/@url"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:choose>
<!-- XML file provides a link (default for news items) -->
<xsl:when test="link != ''">
<xsl:element name="a">
<xsl:attribute name="href">
<xsl:value-of select="link"/>
</xsl:attribute>
<xsl:if test="image/@url != ''">
<!-- the URL of the image -->
<xsl:variable name="img-src">
<xsl:choose>
<!-- use a "small" version of the image, e.g.:
https://pics.fsfe.org/uploads/medium/abc123.png
=> https://pics.fsfe.org/uploads/small/abc123.png -->
<xsl:when test="$shrink = 'yes'">
<xsl:call-template name="str:subst">
<xsl:with-param name="text">
<xsl:call-template name="str:subst">
<xsl:with-param name="text" select="image/@url" />
<xsl:with-param name="replace" select="'/big/'" />
<xsl:with-param name="with" select="'/small/'" />
</xsl:call-template>
</xsl:with-param>
<xsl:with-param name="replace" select="'/medium/'" />
<xsl:with-param name="with" select="'/small/'" />
</xsl:call-template>
</xsl:when>
<!-- else, take the given URL -->
<xsl:otherwise>
<xsl:value-of select="image/@url"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<!-- create an <img> element, optionally wrapped in an a element -->
<xsl:choose>
<!-- XML file provides a link (default for news items) -->
<xsl:when test="link != ''">
<xsl:element name="a">
<xsl:attribute name="href">
<xsl:value-of select="link"/>
</xsl:attribute>
<xsl:element name="img">
<xsl:attribute name="src">
<xsl:value-of select="$img-src"/>
</xsl:attribute>
<xsl:attribute name="alt">
<xsl:value-of select="image/@alt"/>
</xsl:attribute>
<xsl:attribute name="title">
<xsl:value-of select="image/@alt"/>
</xsl:attribute>
</xsl:element><!-- img -->
</xsl:element><!-- a -->
</xsl:when>
<!-- No link given for the item -->
<xsl:otherwise>
<xsl:element name="img">
<xsl:attribute name="src">
<xsl:value-of select="$img-src"/>
@ -56,23 +79,9 @@
<xsl:value-of select="image/@alt"/>
</xsl:attribute>
</xsl:element><!-- img -->
</xsl:element><!-- a -->
</xsl:when>
<!-- No link given for the item -->
<xsl:otherwise>
<xsl:element name="img">
<xsl:attribute name="src">
<xsl:value-of select="$img-src"/>
</xsl:attribute>
<xsl:attribute name="alt">
<xsl:value-of select="image/@alt"/>
</xsl:attribute>
<xsl:attribute name="title">
<xsl:value-of select="image/@alt"/>
</xsl:attribute>
</xsl:element><!-- img -->
</xsl:otherwise>
</xsl:choose>
</xsl:otherwise>
</xsl:choose>
</xsl:if>
</xsl:template>