* @copyright (cc) creative commons - attribution-shareAlike 3.0 unported
* @version 1.0
* @package qoob
* @subpackage utils
*/
final class cloud {
/**
* @var int $max_size maximun font size in percent
*/
private $max_size = 250;
/**
* @var int $min_size minimun font size in percent
*/
private $min_size = 80;
/**
* set maximun font size
* @param int $max
*/
function setMax($max) {
$this->max_size = $max;
}
/**
* set minimum font size
* @param int $min
*/
function setMin($min) {
$this->min_size = $min;
}
/**
* generate function
* returns the html tag cloud from an array.
*
* @param array $tags
* @return string
*/
function generate($tags) {
if(!is_array($tags)) {
return false;
}
$numbers = array();
foreach($tags as $obj)
{
$numbers[] = $obj['tag_count'];
}
$max_qty = max($numbers);
$min_qty = min($numbers);
$spread = $max_qty - $min_qty;
if (0 == $spread) { //we don't want to divide by zero
$spread = 1;
}
$step = ($this->max_size - $this->min_size)/($spread);
$html = '';
return $html;
}
function make($tags, $url, $highlight = '', $cat = '') {
if(!is_array($tags)) {
return false;
}
$numbers = array();
foreach($tags as $obj)
{
$numbers[] = $obj['tag_count'];
}
$max_qty = max($numbers);
$min_qty = min($numbers);
$spread = $max_qty - $min_qty;
if (0 == $spread) { //we don't want to divide by zero
$spread = 1;
}
$step = ($this->max_size - $this->min_size)/($spread);
$html = '';
$i = 0;
while ($i < count($tags)) {
$size = $this->min_size + (($tags[$i]['tag_count'] - $min_qty) * $step);
//$size = ceil($size); //uncomment for % whole sizes
if($tags[$i]['url'] == $highlight) {
$html .= '- '.$tags[$i]['name'].'
';//the space at the end is important!
} else {
$html .= '- '.$tags[$i]['name'].'
';//the space at the end is important!
}
$i++;
}
$html .= '
';
return $html;
}
}
?>