typo3/classes/class.typo3logo.php

   1 <?php
   2 /***************************************************************
   3 *  Copyright notice
   4 *
   5 *  (c) 2007-2010 Ingo Renner <ingo@typo3.org>
   6 *  All rights reserved
   7 *
   8 *  This script is part of the TYPO3 project. The TYPO3 project is
   9 *  free software; you can redistribute it and/or modify
  10 *  it under the terms of the GNU General Public License as published by
  11 *  the Free Software Foundation; either version 2 of the License, or
  12 *  (at your option) any later version.
  13 *
  14 *  The GNU General Public License can be found at
  15 *  http://www.gnu.org/copyleft/gpl.html.
  16 *  A copy is found in the textfile GPL.txt and important notices to the license
  17 *  from the author is found in LICENSE.txt distributed with these scripts.
  18 *
  19 *
  20 *  This script is distributed in the hope that it will be useful,
  21 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  22 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23 *  GNU General Public License for more details.
  24 *
  25 *  This copyright notice MUST APPEAR in all copies of the script!
  26 ***************************************************************/
  27
  28
  29 /**
  30  * class to render the TYPO3 logo in the backend
  31  *
  32  * $Id$
  33  *
  34  * @author      Ingo Renner <ingo@typo3.org>
  35  * @package TYPO3
  36  * @subpackage core
  37  */
  38 class TYPO3Logo {
  39
  40         protected $logo;
  41
  42         /**
  43          * constructor
  44          *
  45          * @return void
  46          */
  47         public function __construct() {
  48                 $this->logo = null;
  49         }
  50
  51         /**
  52          * renders the actual logo code
  53          *
  54          * @return      string  logo html code snippet to use in the backend
  55          */
  56         public function render() {
  57
  58                 $logoFile = 'gfx/alt_backend_logo.gif'; // default
  59                 if(is_string($this->logo)) {
  60                                 // overwrite
  61                         $logoFile = $this->logo;
  62                 }
  63                 $imgInfo = getimagesize(PATH_site . TYPO3_mainDir . $logoFile);
  64
  65
  66                 $logo = '<a href="http://www.typo3.com/" target="_blank">'.
  67                                 '<img'.t3lib_iconWorks::skinImg('', $logoFile, $imgInfo[3]).' title="TYPO3 Content Management System" alt="" />'.
  68                                 '</a>';
  69
  70                         // overwrite with custom logo
  71                 if($GLOBALS['TBE_STYLES']['logo'])      {
  72                         $imgInfo = @getimagesize(t3lib_div::resolveBackPath(PATH_typo3 . $GLOBALS['TBE_STYLES']['logo'], 3));
  73                         $logo = '<a href="http://www.typo3.com/" target="_blank">' .
  74                                 '<img src="' . $GLOBALS['TBE_STYLES']['logo'] . '" ' . $imgInfo[3] . ' title="TYPO3 Content Management System" alt="" />' .
  75                                 '</a>';
  76                 }
  77
  78                 return $logo;
  79         }
  80
  81         /**
  82          * sets the logo
  83          *
  84          * @param       string          path to logo file as seen from typo3/
  85          */
  86         public function setLogo($logo) {
  87                 if(!is_string($logo)) {
  88                         throw new InvalidArgumentException('parameter $logo must be of type string', 1194041104);
  89                 }
  90
  91                 $this->logo = $logo;
  92         }
  93
  94 }
  95
  96
  97 if (defined('TYPO3_MODE') && isset($GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS']['typo3/classes/class.typo3logo.php'])) {
  98         include_once($GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS']['typo3/classes/class.typo3logo.php']);
  99 }
 100
 101 ?>