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<?php
/*
+--------------------------------------------------------------------------+
| This file is part of the Kolab File API |
| |
| Copyright (C) 2011-2013, Kolab Systems AG |
| |
| This program is free software: you can redistribute it and/or modify |
| it under the terms of the GNU Affero General Public License as published |
| by the Free Software Foundation, either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU Affero General Public License for more details. |
| |
| You should have received a copy of the GNU Affero General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/> |
+--------------------------------------------------------------------------+
| Author: Aleksander Machniak <machniak@kolabsys.com> |
+--------------------------------------------------------------------------+
*/
/**
* Class integrating ODF documents viewer from http://webodf.org
*/
class file_viewer_odf extends file_viewer
{
protected $mimetypes = array(
'application/vnd.oasis.opendocument.text',
'application/vnd.oasis.opendocument.spreadsheet',
'application/vnd.oasis.opendocument.presentation',
'application/vnd.oasis.opendocument.graphics',
'application/vnd.oasis.opendocument.chart',
// 'application/vnd.oasis.opendocument.formula',
'application/vnd.oasis.opendocument.image',
'application/vnd.oasis.opendocument.text-master',
// 'application/vnd.sun.xml.base',
// 'application/vnd.oasis.opendocument.base',
// 'application/vnd.oasis.opendocument.database',
'application/vnd.oasis.opendocument.text-template',
'application/vnd.oasis.opendocument.spreadsheet-template',
'application/vnd.oasis.opendocument.presentation-template',
'application/vnd.oasis.opendocument.graphics-template',
'application/vnd.oasis.opendocument.chart-template',
// 'application/vnd.oasis.opendocument.formula-template',
'application/vnd.oasis.opendocument.image-template',
);
/**
* Class constructor
*
* @param file_api File API object
*/
public function __construct($api)
{
$this->api = $api;
}
/**
* Returns list of supported mimetype
*
* @return array List of mimetypes
*/
public function supported_mimetypes()
{
// @TODO: check supported browsers
return $this->mimetypes;
}
/**
* Check if mimetype is supported by the viewer
*
* @param string $mimetype File type
*
* @return bool
*/
public function supports($mimetype)
{
return in_array($mimetype, $this->mimetypes);
}
/**
* Return output of file content area
*
* @param string $file File name
* @param string $mimetype File type
*/
public function frame($file, $mimetype = null)
{
// we use iframe method, see output()
}
/**
* Return file viewer URL
*
* @param string $file File name
* @param string $mimetype File type
*/
public function href($file, $mimetype = null)
{
return $_SERVER['SCRIPT_URI'] . '?method=file_get'
. '&viewer=odf'
. '&file=' . urlencode($file)
. '&token=' . urlencode(session_id());
}
/**
* Print output and exit
*
* @param string $file File name
* @param string $mimetype File type
*/
public function output($file, $mimetype = null)
{
$file_uri = $this->api->file_url($file);
echo <<<EOT
<html>
<head>
<link rel="stylesheet" type="text/css" href="viewers/odf/webodf.css" />
<script type="text/javascript" src="viewers/odf/webodf.js" charset="utf-8"></script>
<script type="text/javascript" charset="utf-8">
function init() {
var odfelement = document.getElementById("odf"),
odfcanvas = new odf.OdfCanvas(odfelement);
odfcanvas.load("$file_uri");
}
window.setTimeout(init, 0);
</script>
</head>
<body>
<div id="odf"></div>
</body>
</html>
EOT;
}
}

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