RenderSolrTagCloud

Renders a tag cloud using Solr

Documentation

This renders a tag cloud getting tags from a solr search on recently changed data.

Parameters

• DAYS: number of recent days of changes to take under consideration, defaults to unlimited
• RECENCY: maximum number of topics to harvest tags from, defaults to 100; a value of "all" will render a tag cloud considering all matching documents
• LIMIT: maximum number of tags in the could, defaults to 100
• MIN: minimum frequency of a tags to be shown
• TAG: comma separated list of tags to be searched for in the archive; tags may be preceded with a dash (-) to exclude results containing this tag
• CAT: comma separated list of categories to search for; categories may be preceded with a dash (-) to exclude results containing this tag
• KEYWORDS: keywords to filter for
• THEWEB: web to restrict search to, defaults to all
• TYPE: content type to restrict results to, e.g. "topic" (default), "image", "video", "pdf", "zip", …, defaults to "topic"

Implementation

%STARTINCLUDE%<noautolink>
%DBCALL{"%WEB%.%TOPIC%" 
  section="search"
  keywords="%KEYWORDS{default=""}%"
  theweb="%SUBST{text="%THEWEB{default="all"}%" pattern="/" format="."}%"
  limit="%LIMIT{default="100"}%"
  filter="type:%TYPE{default="topic"}% %IF{"defined THEWEB and $THEWEB!='all'" 
            then="web:%SUBST{text="%THEWEB{default=""}%" pattern="/" format="."}%"
          }% %IF{"defined TAG" 
            then="$percntFORMATLIST{\"%TAG%\" split=\"\s*,\s*\" pattern=\"^(\-)?(.*)$\" format=\"$1tag:$2\" separator=\" \"}$percnt"
          }% %IF{"defined CAT" 
            then="$percntFORMATLIST{\"%CAT%\" split=\"\s*,\s*\" patttern=\"^(\-)?(.*)$\" format=\"$1category:$2\" separator=\" \"}$percnt"
          }% %IF{"defined DAYS"
            then="date:\\"[NOW/DAY-%DAYS%DAY TO NOW]\\""
          }%"
}% %TAGCLOUD{
  terms="%SOLRFORMAT{
    "solrtagcloud1"
    format_tag="$key:$count,"
    separator_tag=" "
  }%"
  header="<div class='solrTagCloud clsTagCloud'>"
  format="<span style='font-size:$weightpx;line-height:110%'><a href='$percntSOLRSCRIPTURL{
                                                                        topic=\"%BASEWEB%.WebSearch\" 
                                                                        tag=\"$term\" 
                                                                        category=\"%CAT{default=""}%\" 
                                                                        web=\"%SUBST{text="%THEWEB{default=""}%" pattern="/" format="."}%\" 
                                                                        union=\"web\"
                                                                        type=\"%TYPE{default="topic"}%\"
                                                                      }$percnt' style='color:$fadeRGB(%TAGCLOUD_START{default="111,169,255"}%,%TAGCLOUD_END{default="0,89,224"}%);' class='solrFacetValue tag_$term' name='tag_$term' value='$term'>$term</a></span>"
  footer="</div>"
  group="<strong>$group</strong>&nbsp;"
  split="\s*,\s*"
  buckets="25"
  offset="13"
  warn="off"
  min="%MIN{default="0"}%"
}%</noautolink>%STOPINCLUDE%

%STARTSECTION{"search"}%%SOLRSEARCH{
  "%keywords%"
  id="solrtagcloud1"
  sort="date desc"
  type="edismax"
  fields=""
  web="%theweb%"
  filter="%filter% %IF{"$RECENCY != 'all'"
    then="$percntSOLRSEARCH{\"%keywords% tag:*\"
      sort=\"date desc\"
      type=\"edismax\"
      fields=\"id\"
      web=\"%theweb%\"
      filter=\"%filter%\"
      rows=\"%RECENCY{default="100"}%\"
      format=\"$id\"
      separator=\" OR \"
      header=\"id:(\"
      footer=\")\"
    }$percnt"}%"
  facets="tag"
  facetlimit="%limit%"
  rows="30"
}%%ENDSECTION{"search"}%

Test