[Sommaire] [Imprimer]

   1  <?php
   2  
   3  
   4  class Text_Wiki_Render_Xhtml_Url extends Text_Wiki_Render {
   5      
   6      
   7      var $conf = array(
   8          'target' => '_blank',
   9          'images' => true,
  10          'img_ext' => array('jpg', 'jpeg', 'gif', 'png'),
  11          'css_inline' => null,
  12          'css_footnote' => null,
  13          'css_descr' => null,
  14          'css_img' => null
  15      );
  16      
  17      /**
  18      * 
  19      * Renders a token into text matching the requested format.
  20      * 
  21      * @access public
  22      * 
  23      * @param array $options The "options" portion of the token (second
  24      * element).
  25      * 
  26      * @return string The text rendered from the token options.
  27      * 
  28      */
  29      
  30      function token($options)
  31      {
  32          // create local variables from the options array (text,
  33          // href, type)
  34          extract($options);
  35          
  36          // find the rightmost dot and determine the filename
  37          // extension.
  38          $pos = strrpos($href, '.');
  39          $ext = strtolower(substr($href, $pos + 1));
  40          $href = htmlspecialchars($href);
  41          
  42          // does the filename extension indicate an image file?
  43          if ($this->getConf('images') &&
  44              in_array($ext, $this->getConf('img_ext', array()))) {
  45              
  46              // create alt text for the image
  47              if (! isset($text) || $text == '') {
  48                  $text = basename($href);
  49                  $text = htmlspecialchars($text);
  50              }
  51              
  52              // generate an image tag
  53              $css = $this->formatConf(' class="%s"', 'css_img');
  54              $output = "<img$css src=\"$href\" alt=\"$text\" />";
  55              
  56          } else {
  57              
  58              // allow for alternative targets on non-anchor HREFs
  59              if ($href{0} == '#') {
  60                  $target = '';
  61              } else {
  62                  $target = $this->getConf('target');
  63              }
  64              
  65              // generate a regular link (not an image)
  66              $text = htmlspecialchars($text);
  67              $css = $this->formatConf(' class="%s"', "css_$type");
  68              $output = "<a$css href=\"$href\"";
  69              
  70              if ($target) {
  71                  // use a "popup" window.  this is XHTML compliant, suggested by
  72                  // Aaron Kalin.  uses the $target as the new window name.
  73                  $target = htmlspecialchars($target);
  74                  $output .= " onclick=\"window.open(this.href, '$target');";
  75                  $output .= " return false;\"";
  76              }
  77              
  78              // finish up output
  79              $output .= ">$text</a>";
  80              
  81              // make numbered references look like footnotes when no
  82              // CSS class specified, make them superscript by default
  83              if ($type == 'footnote' && ! $css) {
  84                  $output = '<sup>' . $output . '</sup>';
  85              }
  86          }
  87          
  88          return $output;
  89      }
  90  }
  91  ?>