1: <?php
 2: /**
 3:  * The Horde_Core_Tree_Html:: class extends the Horde_Tree_Html class to
 4:  * provide for creation of Horde-specific URLs.
 5:  *
 6:  * Copyright 2010-2012 Horde LLC (http://www.horde.org/)
 7:  *
 8:  * See the enclosed file COPYING for license information (LGPL). If you
 9:  * did not receive this file, see http://www.horde.org/licenses/lgpl21.
10:  *
11:  * @author   Michael Slusarz <slusarz@horde.org>
12:  * @category Horde
13:  * @license  http://www.horde.org/licenses/lgpl21 LGPL 2.1
14:  * @package  Core
15:  */
16: class Horde_Core_Tree_Html extends Horde_Tree_Html
17: {
18:     /**
19:      * Images array.
20:      * Values correspond to 'treeImg#' CSS classes in horde/themes/screen.css.
21:      *
22:      * @var array
23:      */
24:     protected $_images = array(
25:         'line' => 1,
26:         'blank' => '',
27:         'join' => 2,
28:         'join_bottom' => 4,
29:         'join_top' => 3,
30:         'plus' => 10,
31:         'plus_bottom' => 11,
32:         'plus_only' => 12,
33:         'minus' => 6,
34:         'minus_bottom' => 7,
35:         'minus_only' => 8,
36:         'null_only' => 13,
37:         'folder' => 14,
38:         'folderopen' => 15,
39:         'leaf' => 16
40:     );
41: 
42:     /**
43:      * Generate a link URL tag.
44:      *
45:      * @param string $node_id  The node ID.
46:      *
47:      * @return string  The link tag.
48:      */
49:     protected function _generateUrlTag($node_id)
50:     {
51:         return Horde::link(Horde::selfUrl()->add(Horde_Tree::TOGGLE . $this->_instance, $node_id));
52:     }
53: 
54:     /**
55:      * Generate the icon image.
56:      *
57:      * @param string $src    The source image.
58:      * @param string $class  Additional class to add to image.
59:      * @param string $alt    Alt text to add to the image.
60:      *
61:      * @return string  A HTML tag to display the image.
62:      */
63:     protected function _generateImage($src, $class = '', $alt = null)
64:     {
65:         switch ($class) {
66:         case 'treeIcon':
67:             return parent::_generateImage($src, $class, $alt);
68: 
69:         case 'treeToggle':
70:             $class .= ' treeImg';
71:             break;
72: 
73:         default:
74:             $class = 'treeImg';
75:             break;
76:         }
77: 
78:         $img = '<span class="' . $class . ' treeImg' . $src . '"';
79: 
80:         if (!is_null($alt)) {
81:             $img.= ' alt="' . $alt . '"';
82:         }
83: 
84:         return $img . '></span>';
85:     }
86: 
87: }
88: