functions/template.php

   1 <?php
   2
   3 /**
   4  * template.php
   5  *
   6  * This file is intended to contain helper functions for template sets
   7  * that would like to use them.
   8 FIXME: potentially create a separate directory and separate functions into different files?
   9  *
  10  * @copyright &copy; 1999-2006 The SquirrelMail Project Team
  11  * @license http://opensource.org/licenses/gpl-license.php GNU Public License
  12  * @version $Id$
  13  * @package squirrelmail
  14  */
  15
  16
  17 /**
  18   * Create stylesheet links that will work for multiple browsers
  19   *
  20   * @param string  $uri       The URI to the linked stylesheet.
  21   * @param string  $name      The title of the stylesheet (optional; default empty).
  22   * @param boolean $alt       Whether or not this is an alternate
  23   *                           stylesheet (optional; default TRUE).
  24   * @param string  $mtype     The target media display type (optional; default "screen").
  25   * @param string  $xhtml_end The XHTML-compliant close tag syntax to
  26   *                           use (optional; default "/")
  27   *
  28   * @return string The full text of the stylesheet link.
  29   *
  30   */
  31 function create_css_link($uri, $name='', $alt=TRUE, $mtype='screen', $xhtml_end='/') {
  32 // FIXME: Add closing / to link and meta elements only after
  33 //        switching to xhtml 1.0 Transitional.
  34 //        It is not compatible with html 4.01 Transitional
  35 $xhtml_end='';
  36
  37     if (empty($uri)) {
  38         return '';
  39     }
  40
  41     // set to lower case to avoid errors
  42     //
  43     sqGetGlobalVar('HTTP_USER_AGENT', $browser_user_agent, SQ_SERVER);
  44     $browser_user_agent = strtolower($browser_user_agent);
  45
  46     if (stristr($browser_user_agent, "msie 4")) {
  47         $browser = 'msie4';
  48         $dom_browser = false;
  49         $is_IE = true;
  50 //FIXME: this fails for Opera because its user agent also contains MSIE
  51     } elseif (stristr($browser_user_agent, "msie")) {
  52         $browser = 'msie';
  53         $dom_browser = true;
  54         $is_IE = true;
  55     }
  56
  57     if ((strpos($uri, '-ie')!== false) and !$is_IE) {
  58         //not IE, so don't render this sheet
  59         return;
  60     }
  61
  62     if ( strpos($uri, 'print') !== false )
  63         $mtype = 'print';
  64
  65     $href  = 'href="'.$uri.'" ';
  66     $media = 'media="'.$mtype.'" ';
  67
  68     if ( empty($name) ) {
  69         $title = '';
  70         $rel   = 'rel="stylesheet" ';
  71     } else {
  72         $title = 'title="'.$name.'" ';
  73         $rel   = 'rel="'.( $alt ? 'alternate ' : '' ).'stylesheet" ';
  74     }
  75
  76     return '<link '.$media.$title.$rel.'type="text/css" '.$href." $xhtml_end>\n";
  77 }
  78
  79