/**

 * nggTagCloud() - return a tag cloud based on the wp core tag cloud system

 * 

 * @param array $args

 * @param string $template (optional) name for a template file, look for gallery-$template

 * @return the content

 */

function nggTagCloud($args ='', $template = '') {

    global $nggRewrite;



    // $_GET from wp_query

    $tag     = get_query_var('gallerytag');

    $pageid  = get_query_var('pageid');

    

    // look for gallerytag variable 

    if ( $pageid == get_the_ID() || !is_home() )  {

        if (!empty( $tag ))  {

    

            $slug =  esc_attr( $tag );

            $out  =  nggShowGalleryTags( $slug );

            return $out;

        } 

    }

    

    $defaults = array(

        'smallest' => 8, 'largest' => 22, 'unit' => 'pt', 'number' => 45,

        'format' => 'flat', 'orderby' => 'name', 'order' => 'ASC',

        'exclude' => '', 'include' => '', 'link' => 'view', 'taxonomy' => 'ngg_tag'

    );

    $args = wp_parse_args( $args, $defaults );



    $tags = get_terms( $args['taxonomy'], array_merge( $args, array( 'orderby' => 'count', 'order' => 'DESC' ) ) ); // Always query top tags



    foreach ($tags as $key => $tag ) {



        $tags[ $key ]->link = $nggRewrite->get_permalink(array ('gallerytag' => $tag->slug));

        $tags[ $key ]->id = $tag->term_id;

    }

    

    $out = '<div class="ngg-tagcloud">' . wp_generate_tag_cloud( $tags, $args ) . '</div>';

    

    return $out;

}

?>