diff options
Diffstat (limited to 'include/taxonomy.php')
-rw-r--r-- | include/taxonomy.php | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/include/taxonomy.php b/include/taxonomy.php index aadcd938f..7e9a4c856 100644 --- a/include/taxonomy.php +++ b/include/taxonomy.php @@ -93,3 +93,67 @@ function format_term_for_display($term) { return $s; } +// Tag cloud functions - need to be adpated to this database format + + +function tagadelic($uid, $count = 0, $type = TERM_HASHTAG) { + + // Fetch tags + $r = q("select term, count(term) as total from term + where uid = %d and type = %d + and otype = %d + group by term order by total desc %s", + intval($uid), + intval($type), + intval(TERM_OBJ_POST), + ((intval($count)) ? "limit $count" : '') + ); + + if(! $r) + return array(); + + // Find minimum and maximum log-count. + $tags = array(); + $min = 1e9; + $max = -1e9; + + $x = 0; + foreach($r as $rr) { + $tags[$x][0] = $rr['term']; + $tags[$x][1] = log($rr['total']); + $tags[$x][2] = 0; + $min = min($min,$tags[$x][1]); + $max = max($max,$tags[$x][1]); + $x ++; + } + + usort($tags,'tags_sort'); + + $range = max(.01, $max - $min) * 1.0001; + + for($x = 0; $x < count($tags); $x ++) { + $tags[$x][2] = 1 + floor(5 * ($tags[$x][1] - $min) / $range); + } + + return $tags; +} + +function tags_sort($a,$b) { + if($a[0] == $b[0]) + return 0; + return((strtolower($a[0]) < strtolower($b[0])) ? -1 : 1); +} + + +function tagblock($link,$uid,$count = 0,$type = TERM_HASHTAG) { + $tab = 0; + $r = tagadelic($uid,$count,$type); + + if($r) { + echo '<div class="tags" align="center">'; + foreach($r as $rr) { + echo '<a href="'.$link .'/' . '?f=&tag=' . urlencode($rr[0]).'" class="tag'.$rr[2].'">'.$rr[0].'</a> '; + } + echo '</div>'; + } +} |