1: <?php
 2: /**
 3:  * Display Tag Cloud
 4:  *
 5:  * Copyright 2007-2012 Horde LLC (http://www.horde.org/)
 6:  *
 7:  * See the enclosed file COPYING for license information (GPL). If you
 8:  * did not receive this file, see http://www.horde.org/licenses/gpl.
 9:  *
10:  * @author  Michael Rubinsky <mrubinsk@horde.org>
11:  */
12: class Ansel_Block_Cloud extends Horde_Core_Block
13: {
14:     /**
15:      */
16:     public function __construct($app, $params = array())
17:     {
18:         parent::__construct($app, $params);
19: 
20:         $this->_name = _("Tag Cloud");
21:     }
22: 
23:     /**
24:      */
25:     protected function _params()
26:     {
27:         return array(
28:             'count' => array(
29:                 'name' => _("Number of tags to display"),
30:                 'type' => 'int',
31:                 'default' => 20
32:             )
33:         );
34:     }
35: 
36:     /**
37:      */
38:     protected function _content()
39:     {
40:         /* Get the tags */
41:         $tags = $GLOBALS['injector']->getInstance('Ansel_Tagger')->getCloud(null, $this->_params['count']);
42:         if (count($tags)) {
43:             $cloud = new Horde_Core_Ui_TagCloud();
44:             foreach ($tags as $id => $tag) {
45:                 $link = Ansel::getUrlFor('view', array('view' => 'Results',
46:                                                        'tag' => $tag['tag_name']));
47:                 $cloud->addElement($tag['tag_name'], $link, $tag['count']);
48:             }
49:             $html = $cloud->buildHTML();
50:         } else {
51:             $html = '';
52:         }
53:         return $html;
54:     }
55: 
56: }
57: