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<?php
/**
* Display content-based tags
*
* Generally used in a sidebar. Does not work with groups currently.
*
* @uses $vars['subtypes'] Object subtype string or array of subtypes
* @uses $vars['owner_guid'] The owner of the content being tagged
* @uses $vars['limit'] The maxinum number of tags to display
*/
$owner_guid = elgg_extract('owner_guid', $vars, ELGG_ENTITIES_ANY_VALUE);
if (!$owner_guid) {
$owner_guid = ELGG_ENTITIES_ANY_VALUE;
}
$owner_entity = get_entity($owner_guid);
if ($owner_entity && elgg_instanceof($owner_entity, 'group')) {
// not supporting groups so return
return true;
}
$options = array(
'type' => 'object',
'subtype' => elgg_extract('subtypes', $vars, ELGG_ENTITIES_ANY_VALUE),
'owner_guid' => $owner_guid,
'threshold' => 0,
'limit' => elgg_extract('limit', $vars, 50),
'tag_name' => 'tags',
);
$title = elgg_echo('tagcloud');
if (is_array($options['subtype']) && count($options['subtype']) > 1) {
// we cannot provide links to tagged objects with multiple types
$tag_data = elgg_get_tags($options);
$cloud = elgg_view("output/tagcloud", array(
'value' => $tag_data,
'type' => $type,
));
} else {
$cloud = elgg_view_tagcloud($options);
}
if (!$cloud) {
return true;
}
// add a link to all site tags
$cloud .= '<p class="small">';
$cloud .= elgg_view_icon('tag');
$cloud .= elgg_view('output/url', array(
'href' => 'tags',
'text' => elgg_echo('tagcloud:allsitetags'),
'is_trusted' => true,
));
$cloud .= '</p>';
echo elgg_view_module('aside', $title, $cloud);
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