1: <?php
 2: /**
 3:  * Horde_Widget_SimilarPhotos:: class to display a widget containing mini
 4:  * thumbnails of images that are similar, based on tags.
 5:  *
 6:  * @author Michael J. Rubinsky <mrubinsk@horde.org>
 7:  * @category Horde
 8:  * @license http://www.horde.org/licenses/gpl GPL
 9:  * @package Ansel
10:  */
11: class Ansel_Widget_SimilarPhotos extends Ansel_Widget_Base
12: {
13:     /**
14:      * Array of views that this widget may appear in.
15:      *
16:      * @var array
17:      */
18:     protected $_supported_views = array('Image');
19: 
20:     /**
21:      * Constructor
22:      *
23:      * @param array $params  Any parameters for this widget
24:      *
25:      * @return Ansel_Widget_SimilarPhotos
26:      */
27:     public function __construct($params)
28:     {
29:         parent::__construct($params);
30:         $this->_title = _("Similar Photos");
31:     }
32: 
33:     /**
34:      * Return the HTML representing this widget.
35:      *
36:      * @return string  The HTML for this widget.
37:      */
38:     public function html()
39:     {
40:         $html = $this->_htmlBegin();
41:         $html .= '<div id="similar">' . $this->_getRelatedImages() . '</div>';
42:         $html .= $this->_htmlEnd();
43: 
44:         return $html;
45:     }
46: 
47:     /**
48:      * Helper function for generating a widget of images related to this one.
49:      *
50:      *
51:      * @return string  The HTML
52:      */
53:     public function _getRelatedImages()
54:     {
55:         $ansel_storage = $GLOBALS['injector']->getInstance('Ansel_Storage');
56: 
57:         $html = '';
58:         $args = array('typeId' => 'image',
59:                       'userId' => $this->_view->gallery->get('owner'));
60: 
61:         $results = $GLOBALS['injector']->getInstance('Ansel_Tagger')->listRelatedImages($this->_view->resource);
62:         if (count($results)) {
63:             $i = 0;
64:             foreach ($results as $result) {
65:                 $img = $result['image'];
66:                 $rGal = $GLOBALS['injector']->getInstance('Ansel_Storage')->getGallery($img->gallery);
67:                 if ($rGal->hasPermission($GLOBALS['registry']->getAuth(), Horde_Perms::READ))
68:                 $html .= Ansel::getUrlFor(
69:                         'view',
70:                          array('image' => $img->id,
71:                                'view' => 'Image',
72:                                'gallery' => $img->gallery,
73:                                'slug' => $rGal->get('slug')),
74:                          true)->link(array('title' =>  sprintf(_("%s from %s"), $img->filename, $rGal->get('name'))))
75:                     . '<img src="'. Ansel::getImageUrl($img->id, 'mini', true) . '" alt="' . htmlspecialchars($img->filename) . '" /></a>';
76:                 $i++;
77:             }
78:         }
79: 
80:         return $html;
81:     }
82: 
83: }
84: