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mirror of https://git.tt-rss.org/git/tt-rss.git synced 2025-12-17 21:51:29 +00:00

show tag cloud instead of flat tag list

This commit is contained in:
Andrew Dolgov
2007-05-17 12:58:38 +01:00
parent 1ba6daf78e
commit 0979b696e4
6 changed files with 100 additions and 9 deletions

View File

@@ -3852,4 +3852,52 @@
return $topmost_article_ids;
}
// from here: http://www.roscripts.com/Create_tag_cloud-71.html
function printTagCloud($link) {
$query = "SELECT tag_name, COUNT(post_int_id) AS count
FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
GROUP BY tag_name ORDER BY count DESC LIMIT 50";
$result = db_query($link, $query);
$tags = array();
while ($line = db_fetch_assoc($result)) {
$tags[$line["tag_name"]] = $line["count"];
}
ksort($tags);
$max_size = 32; // max font size in pixels
$min_size = 9; // min font size in pixels
// largest and smallest array values
$max_qty = max(array_values($tags));
$min_qty = min(array_values($tags));
// find the range of values
$spread = $max_qty - $min_qty;
if ($spread == 0) { // we don't want to divide by zero
$spread = 1;
}
// set the font-size increment
$step = ($max_size - $min_size) / ($spread);
// loop through the tag array
foreach ($tags as $key => $value) {
// calculate font-size
// find the $value in excess of $min_qty
// multiply by the font-size increment ($size)
// and add the $min_size set above
$size = round($min_size + (($value - $min_qty) * $step));
echo "<a href=\"javascript:viewfeed('$key') \" style=\"font-size: " .
$size . "px\" title=\"$value articles tagged with " .
$key . '">' . $key . '</a> ';
}
}
?>