/**
*
* @param $cid
* @return array
*/
public function getModelTags($cid)
{
$terms = $this->getTagsForArticle($cid);
$showRelatedArticles = CedTagsHelper::param('RelatedArticlesByTags', 0);
$tags = array();
if (isset($terms) && !empty($terms)) {
$singleTermsSuppress = CedTagsHelper::param('SuppresseSingleTerms', 1);
$termIds = array();
foreach ($terms as $term) {
$frequency = $this->getTagFrequency($term);
if ($showRelatedArticles || $singleTermsSuppress) {
if (@intval($frequency) <= 1) {
if ($singleTermsSuppress) {
continue;
}
} else {
$termIds[] = $term->id;
}
}
$date = $term->created;
$tag = new stdClass();
$tag->title = JText::sprintf('COM_CEDTAG_ITEMS_TITLE', (string) $frequency, (string) $term->name, (string) $date, (string) $term->hits);
$tag->id = $term->id;
$tag->link = JRoute::_('index.php?option=com_cedtag&task=tag&tag=' . CedTagsHelper::urlTagname($term->name));
$tag->tag = CedTagsHelper::ucwords($term->name);
$tags[] = $tag;
}
}
//Limit size of tags displayed
array_splice($tags, intval(CedTagsHelper::param('MaxTagsNumber', 10)));
return $tags;
}
/**
* http://rhodopsin.blogspot.com/2008/05/php-tag-cloud.html
* http://en.wikipedia.org/wiki/Pareto_distribution
* @param $rows
* @return array
*/
public function mappingFrequencyToSizeWithPareto($rows)
{
$tags = array();
$tagsNameToRow = array();
foreach ($rows as $row) {
$tags[$row->name] = $row->frequency;
$tagsNameToRow[$row->name] = $row;
}
$maxSize = $rows[0]->frequency;
$minSize = 1;
$tags = $this->fromParetoCurve($tags, $minSize, $maxSize);
$result = array();
while (list($tagname, $tagsize) = each($tags)) {
$term = new stdClass();
$term->size = $tagsize;
$term->link = JRoute::_('index.php?option=com_cedtag&task=tag&tag=' . CedTagsHelper::urlTagname($tagname));
$term->name = CedTagsHelper::ucwords($tagname);
$term->frequency = $tagsNameToRow[$tagname]->frequency;
$term->hits = $tagsNameToRow[$tagname]->hits;
$term->created = $tagsNameToRow[$tagname]->created;
$term->title = JText::sprintf('COM_CEDTAG_ITEMS_TITLE', (string) $term->frequency, (string) $term->name, (string) $term->created, (string) $term->hits);
$term->class = 'cedtag';
$result[] = $term;
}
return $result;
}
