1 <?php
 2 
 3 /*
 4  * This file is part of the Icybee package.
 5  *
 6  * (c) Olivier Laviale <olivier.laviale@gmail.com>
 7  *
 8  * For the full copyright and license information, please view the LICENSE
 9  * file that was distributed with this source code.
10  */
11 
12 namespace Icybee\Modules\Taxonomy\Vocabulary;
13 
14 use Brickrouge\Element;
15 
16 class CloudElement extends Element
17 {
18     const T_LEVELS = '#cloud-levels';
19 
20     protected function render_inner_html()
21     {
22         $options = $this[self::OPTIONS];
23 
24         if (!$options)
25         {
26             return;
27         }
28 
29         $min = min($options);
30         $max = max($options);
31 
32         $range = ($min == $max) ? 1 : $max - $min;
33         $levels = $this[self::T_LEVELS] ?: 8;
34 
35         $markup = $this->type == 'ul' ? 'li' : 'span';
36 
37         $rc = '';
38 
39         foreach ($options as $name => $usage)
40         {
41             $popularity = ($usage - $min) / $range;
42             $level = 1 + ceil($popularity * ($levels - 1));
43 
44             $rc .= '<' . $markup . ' class="tag' . $level . '">' . $name . '</' . $markup . '>' . PHP_EOL;
45         }
46 
47         return $rc;
48     }
49 }

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