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Jeff DuffSubject: I've combed the HELP sites, but still stuck...
Author: Jeff Duff
Date: 14 Jun 2007 07:01 PM
Originally Posted: 14 Jun 2007 06:58 PM
I'm a newbie to xsl, but I seem to be stuck on something that I think should be relatively easy.

This is an xml news feed that can have up to 20 different news items that are contained within the <ContentItem> tags.

What I am trying to do is to represent each individual news item with a different background format. Basically I would like to have Item 1 with a green background, item 2 with blue, item 3 with purple and so on. Until I figure this out, the code is only formating the items with a green background (see xsl below xml).

The conditional formatting should happen in the "CIndexStoryHead" template.

Any help would be greatly appreciated!


The xml looks like this:

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE NewsML PUBLIC "urn:newsml:iptc.org:20001006:NewsMLv1.0:1" "http://www.test.org/NewsML/DTD/NewsMLv1.0.dtd" [ <!ENTITY % cpnewsmldtd SYSTEM "CNewsML.dtd"> %cnewsmldtd;]>
<?xml-stylesheet type="text/xsl" href="CNewsML.xsl"?>
<NewsML>
<Catalog Href="http://www.iptc.org/NewsML/catalog/catalog.IptcMasterCatalog.xml"/>
<NewsEnvelope>
<DateAndTime>20070614</DateAndTime>
</NewsEnvelope>
<NewsItem>
<Identification>
<NewsIdentifier>
<ProviderId>cNewstest.org</ProviderId>
<DateId>20070614</DateId>
<NewsItemId>46076027</NewsItemId>
<RevisionId PreviousRevision="0" Update="N">1</RevisionId>
<PublicIdentifier>urn:newsml:cNewstest.org:20070614:46076027:1</PublicIdentifier>
</NewsIdentifier>
</Identification>
<NewsManagement>
<NewsItemType FormalName="News" Scheme="NewsItemType"/>
<FirstCreated>20070614</FirstCreated>
<ThisRevisionCreated>20070614</ThisRevisionCreated>
<Status FormalName="Usable" Scheme="IptcStatus"/>
<Urgency FormalName="8" Scheme="IptcUrgency"/>
</NewsManagement>
<NewsComponent>
<NewsLines>
<HeadLine>News</HeadLine>
<DateLine>at 16:04 on June 14, 2007, EDT.</DateLine>
<CopyrightLine>&EngCNews;, 2007</CopyrightLine>
<SlugLine>MUSIC</SlugLine>
<KeywordLine>News</KeywordLine>
</NewsLines>
<AdministrativeMetadata>
<Source>
<Party FormalName="CNews" Scheme="Provider"/>
</Source>
</AdministrativeMetadata>
<DescriptiveMetadata>
<Language FormalName="en" Scheme="Language"/>
<SubjectCode>
<SubjectMatter FormalName="entertainment"/>
</SubjectCode>
</DescriptiveMetadata>

<ContentItem>
<DataContent>
<COnlineFile Type="IndexStoryItem">
<JavaScript ScriptLanguage="&JavaScriptLanguage;">&CJavaScriptOpenWindow;</JavaScript>
<CIndexStoryHead>Headline TEXT</CIndexStoryHead>
<CStory>
<CParag Number="1" ParaSpace="FALSE">
Text Content Goes Here

</CParag>
<CParag Number="2" ParaSpace="FALSE">
Text Content Goes Here

</CParag>
</CStory>
<CLink Type="StoryFile" Number="1" SourceFilePath="./efile1.xml"/>

</COnlineFile>
</DataContent>
</ContentItem>

<ContentItem>
<DataContent>
<COnlineFile Type="IndexStoryItem">
<JavaScript ScriptLanguage="&JavaScriptLanguage;">&CJavaScriptOpenWindow;</JavaScript>
<CIndexStoryHead>Headline TEXT</CIndexStoryHead>
<CStory>
<CParag Number="1" ParaSpace="FALSE">
Text Content Goes Here

</CParag>
<CParag Number="2" ParaSpace="FALSE">
Text Content Goes Here

</CParag>
</CStory>
<CLink Type="StoryFile" Number="1" SourceFilePath="./efile1.xml"/>

</COnlineFile>
</DataContent>
</ContentItem>
</NewsComponent>
</NewsItem>
</NewsML>

==============Here's the XSL====================
<?xml version="1.0" encoding="ISO-8859-1"?>

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0"
xmlns="http://www.w3.org/TR/REC-html40">


<!-- Our output is ScalaScript, which is not XML -->
<xsl:output method="text" omit-xml-declaration="yes"/>

<!-- ============================================================ -->

<!-- ~~~~~~~~~~~~~ template: NewsML ~~~~~~~~~~~~~ -->

<xsl:template match="NewsML">

<!-- Emit boilerplate for top of script -->
<xsl:text disable-output-escaping="yes">!ScalaScript500
:"&lt;untitled&gt;"
{
Group:
BackgroundSettings(Size(1930, 1260));
Config.RecentPublishLocations(PublishLocation("testserver.com CM33", "News"));
Config.SaveOpts(SaveEditable(On));
Config.SaveEncoding("Auto");
Sequence:
</xsl:text>

<xsl:apply-templates select="NewsItem/NewsComponent/ContentItem/DataContent"/>

<!-- Emit boilerplate for bottom of script -->
<xsl:text disable-output-escaping="yes">
}
</xsl:text>
</xsl:template>

<!-- ============================================================ -->
<!-- ~~~~~~~~~~~~~ template: NewsEnvelope ~~~~~~~~~~~~~ -->
<xsl:template match="NewsEnvelope"></xsl:template>
<!-- ~~~~~~~~~~~~~ template: NewsItem ~~~~~~~~~~~~~-->
<xsl:template match="NewsItem"></xsl:template>
<!-- ============================= NewsIdentifier ============================= -->
<!-- ~~~~~~~~~~~~~ template: NewsIdentifier ~~~~~~~~~~~~~ -->
<xsl:template match="NewsIdentifier"></xsl:template>
<!-- ============================= NewsManagement ============================= -->
<!-- ~~~~~~~~~~~~~ template: NewsManagement ~~~~~~~~~~~~~ -->
<xsl:template match="NewsManagement"></xsl:template>
<!-- ~~~~~~~~~~~~~ template: NewsItemType ~~~~~~~~~~~~~ -->
<xsl:template match="NewsItemType"></xsl:template>
<!-- ~~~~~~~~~~~~~ template: FirstCreated ~~~~~~~~~~~~~ -->
<xsl:template match="FirstCreated"></xsl:template>
<!-- ~~~~~~~~~~~~~ template: ThisRevisionCreated ~~~~~~~~~~~~~ -->
<xsl:template match="ThisRevisionCreated"></xsl:template>
<!-- ~~~~~~~~~~~~~ template: Status ~~~~~~~~~~~~~-->
<xsl:template match="Status"></xsl:template>
<!-- ~~~~~~~~~~~~~ template: NewsComponent ~~~~~~~~~~~~~ -->
<xsl:template match="NewsComponent"></xsl:template>
<!-- ============================= NewsLines ============================= -->
<!-- ~~~~~~~~~~~~~ template: NewsLines ~~~~~~~~~~~~~ -->
<xsl:template match="NewsLines"></xsl:template>
<!-- ~~~~~~~~~~~~~ template: HeadLine ~~~~~~~~~~~~~ -->
<xsl:template match="HeadLine"></xsl:template>
<!-- ~~~~~~~~~~~~~ template: ByLine ~~~~~~~~~~~~~ -->
<xsl:template match="ByLine"></xsl:template>
<!-- ~~~~~~~~~~~~~ template: DateLine ~~~~~~~~~~~~~ -->
<xsl:template match="DateLine"></xsl:template>
<!-- ~~~~~~~~~~~~~ template: CopyrightLine ~~~~~~~~~~~~~ -->
<xsl:template match="CopyrightLine"></xsl:template>
<!-- ~~~~~~~~~~~~~ template: KeywordLine ~~~~~~~~~~~~~ -->
<xsl:template match="KeywordLine"></xsl:template>

<!-- ============================= DataContent ============================= -->
<!-- ~~~~~~~~~~~~~ template: DataContent ~~~~~~~~~~~~~ -->

<xsl:template match="DataContent">
<xsl:text disable-output-escaping="yes">
{
Group:
Display(Wipe("Dissolve", Duration(1000), Direction(90)), Backdrop(Pen(16)), Margin(10, 10, 0, 0), Tabs(Explicit(80, 160, 240, 320, 400, 480, 560)), UserPalette(RGBPen(1, $0, $ffffff)));</xsl:text>

<xsl:apply-templates/>
</xsl:template>


<!-- ~~~~~~~~~~~~~ template: JavaScript ~~~~~~~~~~~~~ -->
<xsl:template match="JavaScript"></xsl:template>

<!-- ~~~~~~~~~~~~~ template: CIndexStoryHead ~~~~~~~~~~~~~ -->

<xsl:template match="CIndexStoryHead">
<xsl:text disable-output-escaping="yes">
Clip(0, -2, "Green.png", Transparent(Off), Operation(On));
Text(62, 159, "News", Face(On, Pen(20))));
Text(63, 206,
</xsl:text>"
<xsl:value-of select="(.)"/>", <xsl:text disable-output-escaping="yes">Face(On, Pen(10)));
</xsl:text>
</xsl:template>

<xsl:template match="*|@*|text()">
<xsl:copy>
<xsl:apply-templates select="*|@*|text()"/>
</xsl:copy>
</xsl:template>

<xsl:template match="CParag"><xsl:choose>
<xsl:when test="@Number='1'">
<xsl:text>
Text(65, 453, "
</xsl:text>
<xsl:value-of select="translate(normalize-space(.), '&#x22;', '')"/>
</xsl:when>

<xsl:when test="@Number='2'">
<xsl:value-of select="translate(normalize-space(.), '&#x22;', '')"/>
<xsl:text disable-output-escaping="yes">",
</xsl:text>
</xsl:when>
</xsl:choose>
</xsl:template>


<!-- ~~~~~~~~~~~~~ template: CLink ~~~~~~~~~~~~~ -->
<xsl:template match="CLink">
<xsl:choose>

<!-- ~~~~ Link: Story Photo1 ~~~~ -->
<xsl:when test="@Type='StoryPhoto'"></xsl:when>

<!-- ~~~~ Link: Story File ~~~~ -->
<xsl:when test="@Type='StoryFile'">
<xsl:text disable-output-escaping="yes">Face(On, Pen(2));
HardDuration(1000);
}
</xsl:text>
</xsl:when>
</xsl:choose>
</xsl:template>

Postnext
Alberto MassariSubject: I've combed the HELP sites, but still stuck...
Author: Alberto Massari
Date: 15 Jun 2007 11:48 AM
Hi Jeff,
you can count the number of items by using count(preceding-sibling::*), and then using a xsl:when to pick the proper color given the position.

Hope this helps,
Alberto

Postnext
Jeff DuffSubject: I've combed the HELP sites, but still stuck...
Author: Jeff Duff
Date: 15 Jun 2007 03:10 PM
Originally Posted: 15 Jun 2007 02:17 PM
Thanks for the reply Alberto.

I've tried the following syntax to test the position, but now I get no output at all... What am I doing wrong??

<xsl:template match="CIndexStoryHead">
<xsl:choose><xsl:when test="count(preceding-sibling::*) = 1">
<xsl:text disable-output-escaping="yes">
Clip(0, -2, "Green.png", Transparent(Off), Operation(On));
Text(62, 159, "Entertainment News", Face(On, Pen(20)));
Text(63, 206,
</xsl:text>"
<xsl:value-of select="(.)"/>",
<xsl:text disable-output-escaping="yes">Face(On, Pen(10)));
</xsl:text>
</xsl:when>

Posttop
Alberto MassariSubject: I've combed the HELP sites, but still stuck...
Author: Alberto Massari
Date: 18 Jun 2007 08:01 AM
Hi Jeff,
if you want to display the first item in green you should test for a count == 0 (i.e. the first one has no preceding items)

Alberto

 
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