templates/default/stylelink.tpl

   1 <?php
   2 /**
   3  * stylelink.tpl
   4  *
   5  * Template for rendering the links to css sheets for the page
   6  *
   7  * @copyright &copy; 1999-2006 The SquirrelMail Project Team
   8  * @license http://opensource.org/licenses/gpl-license.php GNU Public License
   9  * @version $Id$
  10  * @package squirrelmail
  11  * @subpackage templates
  12  */
  13
  14 /** add required includes */
  15
  16
  17 /** extract variables */
  18 extract($t);
  19
  20 //echo SM_PATH;
  21 $base_css="css";
  22
  23 $template_css_file="templates/$templateid/$templateid.css";
  24
  25 /** Add URLs to the $css_files array to have them added as links before any theme css or style.php output **/
  26 $css_files=array();
  27
  28 /** If in existance, add link to template css file named for template **/
  29 if (is_file(SM_PATH.$template_css_file)) $css_files[]=$base_uri.$template_css_file;
  30
  31 $base_css_files=list_css_files(SM_PATH.$base_css,$base_uri.$base_css);
  32
  33 if (!$base_css_files) $base_css_files=array();
  34
  35 /** Add link to default.css in the css directory **/
  36 $css_link_html='';
  37 $css_url=$base_uri.$base_css."/default.css";
  38 $css_link_html=css_link($css_url, null, false, 'all','');
  39
  40 /** Add links to all css files listed in the css_files collection **/
  41 foreach ($css_files as $css_url) {
  42   $css_link_html.=css_link($css_url, null, false, 'screen', '');
  43 }
  44
  45 /** Add links to each of the .css files in the /css/ directory, making them as alternate if they are not named for the current theme **/
  46 foreach ($base_css_files as $css_file=>$css_url) {
  47   $css_file_theme=substr($css_file,0,-4);
  48 //    echo $css_file_theme;
  49    $css_link_html.=css_link($css_url, $css_file_theme, ($css_file_theme!=$themeid), 'screen', '');
  50 }
  51
  52 /** output CSS links **/
  53 echo $css_link_html;
  54
  55 /**
  56  * Function to list files within a css directory, used when querying for theme directories
  57  *
  58 **/
  59 function list_css_files($cssdir,$cssroot) {
  60     if (!$cssroot OR !$cssdir) return false;
  61     $files=array();
  62    if (is_dir($cssdir)) {
  63         if ($dh = opendir($cssdir)) {
  64             while (($file = readdir($dh)) !== false) {
  65                 if ((strlen($file)>3) AND strtolower(substr($file,strlen($file)-3,3))=='css') {
  66                     $files[$file]="$cssroot/$file";
  67                 }
  68             }
  69         }
  70         closedir($dh);
  71     }
  72     if (count($files)>0) {
  73 //        sort($files);
  74         return $files;
  75     }
  76     return false;
  77 }
  78
  79 /**
  80  * Function to create stylesheet links that will work for multiple browsers
  81  *
  82 **/
  83 function css_link($url, $name = null, $alt = true, $mtype = 'screen', $xhtml_end='/') {
  84     global $http_site_root;
  85
  86     if ( empty($url) )
  87         return '';
  88     // set to lower case to avoid errors
  89     $browser_user_agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
  90
  91     if (stristr($browser_user_agent, "msie 4"))
  92     {
  93         $browser = 'msie4';
  94         $dom_browser = false;
  95         $is_IE = true;
  96     }
  97     elseif (stristr($browser_user_agent, "msie"))
  98     {
  99         $browser = 'msie';
 100         $dom_browser = true;
 101         $is_IE = true;
 102     }
 103
 104     if ((strpos($url, '-ie')!== false) and !$is_IE) {
 105         //not IE, so don't render this sheet
 106         return;
 107     }
 108
 109     if ( strpos($url, 'print') !== false )
 110         $mtype = 'print';
 111
 112     $href  = 'href="'.$url.'" ';
 113     $media = 'media="'.$mtype.'" ';
 114
 115     if ( empty($name) ) {
 116         $title = '';
 117         $rel   = 'rel="stylesheet" ';
 118     } else {
 119         $title =  empty($name) ? '' : 'title="'.$name.'" ';
 120         $rel   = 'rel="'.( $alt ? 'alternate ' : '' ).'stylesheet" ';
 121     }
 122
 123     return '    <link '.$media.$title.$rel.'type="text/css" '.$href." $xhtml_end>\n";
 124 }
 125
 126 /**
 127  * $Log$
 128  * Revision 1.2  2006/07/09 22:37:35  vanmer
 129  * - added variable initalization and check on variable
 130  *
 131  * Revision 1.1  2006/07/09 22:23:03  vanmer
 132  * - intial revision of a template to display CSS links at the top of the page
 133  *
 134  *
 135 **/
 136 ?>