1: <?php
 2: /**
 3:  * The Horde_Mime_Viewer_Msexcel class renders out Microsoft Excel
 4:  * documents in HTML format by using the Gnumeric package.
 5:  *
 6:  * Copyright 1999-2012 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   Anil Madhavapeddy <anil@recoil.org>
12:  * @author   Michael Slusarz <slusarz@horde.org>
13:  * @category Horde
14:  * @license  http://www.horde.org/licenses/lgpl21 LGPL 2.1
15:  * @package  Mime_Viewer
16:  */
17: class Horde_Mime_Viewer_Msexcel extends Horde_Mime_Viewer_Base
18: {
19:     /**
20:      * This driver's display capabilities.
21:      *
22:      * @var array
23:      */
24:     protected $_capability = array(
25:         'full' => true,
26:         'info' => false,
27:         'inline' => false,
28:         'raw' => false
29:     );
30: 
31:     /**
32:      * Constructor.
33:      *
34:      * @param Horde_Mime_Part $mime_part  The object with the data to be
35:      *                                    rendered.
36:      * @param array $conf                 Configuration:
37:      * <pre>
38:      * 'location' - (string) Location of the gnumeric binary.
39:      * </pre>
40:      *
41:      * @throws InvalidArgumentException
42:      */
43:     public function __construct(Horde_Mime_Part $part, array $conf = array())
44:     {
45:         $this->_required = array_merge($this->_required, array(
46:             'location'
47:         ));
48: 
49:         parent::__construct($part, $conf);
50:     }
51: 
52:     /**
53:      * Return the full rendered version of the Horde_Mime_Part object.
54:      *
55:      * @return array  See parent::render().
56:      */
57:     protected function _render()
58:     {
59:         /* Check to make sure the viewer program exists. */
60:         if (!($location = $this->getConfigParam('location')) ||
61:             !file_exists($location)) {
62:             return array();
63:         }
64: 
65:         $tmp_in = $this->_getTempFile();
66:         $tmp_out = $this->_getTempFile();
67: 
68:         file_put_contents($tmp_in, $this->_mimepart->getContents());
69: 
70:         exec($location . ' -E Gnumeric_Excel:excel_dsf -T Gnumeric_html:html40 ' . $tmp_in . ' ' . $tmp_out);
71: 
72:         return $this->_renderReturn(
73:             file_get_contents($tmp_out),
74:             'text/html; charset=UTF-8'
75:         );
76:     }
77: 
78: }
79: