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<?php
class Dlg extends Handler_Protected {
private $param;
private $params;
function before($method) {
if (parent::before($method)) {
header("Content-Type: text/html"); # required for iframe
$this->param = ($_REQUEST["param"] ?? false);
return true;
}
return false;
}
function printTagCloud() {
print "<div class='panel text-center'>";
// from here: http://www.roscripts.com/Create_tag_cloud-71.html
$sth = $this->pdo->prepare("SELECT tag_name, COUNT(post_int_id) AS count
FROM ttrss_tags WHERE owner_uid = ?
GROUP BY tag_name ORDER BY count DESC LIMIT 50");
$sth->execute([$_SESSION['uid']]);
$tags = array();
while ($line = $sth->fetch()) {
$tags[$line["tag_name"]] = $line["count"];
}
if(count($tags) == 0 ){ return; }
ksort($tags);
$max_size = 32; // max font size in pixels
$min_size = 11; // 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));
$key_escaped = str_replace("'", "\\'", (string)$key);
echo "<a href=\"#\" onclick=\"Feeds.open({feed:'$key_escaped'}) \" style=\"font-size: " .
$size . "px\" title=\"$value articles tagged with " .
$key . '">' . $key . '</a> ';
}
print "</div>";
print "<footer class='text-center'>";
print "<button dojoType='dijit.form.Button'
onclick=\"return CommonDialogs.closeInfoBox()\">".
__('Close this window')."</button>";
print "</footer>";
}
}
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