Author: boesebeck
Publication Date: 7/1/2010 17:40
A common request is to display several teasers on a page wihout any duplicates. How do I implement this? Use a global variable in the page context to store the already shown articles.
This page has 3 sections, each section can show several teasers for other articles. We only want to list teaser articles with a publish date greater than the specified date.
The section template:
<CMS_HEADER>
<CMS_FUNCTION name="contentSelect" resultname="fr_article">
<CMS_PARAM name="schema" value="knowledgebase" />
<CMS_VALUE_PARAM name="from" value="publishdate" />
<QUERY entityType="article">
<FILTERPARAM parameter="from" datatype="java.util.Date" value="1143758280000" />
<GT attribute="publishdate" datatype="java.util.Date" parameter="from"/>
</QUERY>
</CMS_FUNCTION>
</CMS_HEADER>
<p><ul>
$-- Get the article list from the page context --$
$CMS_SET(listedArticles, #global.pageContext.getVariableValue("listedArticles"))$
$CMS_SET(count, 0)$
$CMS_FOR(article, fr_article)$
$CMS_IF(count <= maxcount -1 && !listedArticles.contains(article.id))$
<li>$CMS_VALUE(article.teaserList.get(0).title)$</li>
$-- add given article to the list --$
$CMS_SET(void, listedArticles.add(article.id))$
$CMS_SET(count, count + 1)$
$CMS_END_IF$
$CMS_END_FOR$
$-- Write article list back in the page context --$
$CMS_SET(void,#global.pageContext.setVariableValue("listedArticles" , listedArticles))$
</ul><p>
Tags: contentselect, contentstore, knowledgebase, template
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