1 <?php

     2 // vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4:

     3 /**

     4  * Smiley rule Xhtml renderer

     5  *

     6  * PHP versions 4 and 5

     7  *

     8  * @category   Text

     9  * @package    Text_Wiki

    10  * @author     Bertrand Gugger <bertrand@toggg.com>

    11  * @copyright  2005 bertrand Gugger

    12  * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1

    13  * @version    CVS: $Id: Smiley.php,v 1.2 2006/02/10 23:07:03 toggg Exp $

    14  * @link       http://pear.php.net/package/Text_Wiki

    15  */

    16 

    17 /**

    18  * Smiley rule Xhtml render class

    19  *

    20  * @category   Text

    21  * @package    Text_Wiki

    22  * @author     Bertrand Gugger <bertrand@toggg.com>

    23  * @copyright  2005 bertrand Gugger

    24  * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1

    25  * @version    Release: @package_version@

    26  * @link       http://pear.php.net/package/Text_Wiki

    27  * @see        Text_Wiki::Text_Wiki_Render()

    28  */

    29 class Text_Wiki_Render_Xhtml_Smiley extends Text_Wiki_Render {

    30 

    31     /**

    32      * Configuration keys for this rule

    33      * 'prefix' => the path to smileys images inclusive file name prefix,

    34      *             starts with '/' ==> abolute reference

    35      *             if no file names prefix but some folder, terminates with '/'

    36      * 'extension' => the file extension (inclusive '.'), e.g. :

    37      *       if prefix 'smileys/icon_' and extension '.gif'

    38      *       ':)' whose name is 'smile' will give relative file 'smileys/icon_smile.gif'

    39      *       if prefix '/image/smileys/' and extension '.png': absolute '/image/smileys/smile.gif'

    40      * 'css' => optional style applied to smileys

    41      *

    42      * @access public

    43      * @var array 'config-key' => mixed config-value

    44      */

    45     var $conf = array(

    46         'prefix' => 'images/smiles/icon_',

    47         'extension' => '.gif',

    48         'css' => null

    49     );

    50 

    51     /**

    52       * Renders a token into text matching the requested format.

    53       * process the Smileys

    54       *

    55       * @access public

    56       * @param array $options The "options" portion of the token (second element).

    57       * @return string The text rendered from the token options.

    58       */

    59     function token($options)

    60     {

    61         $imageFile = $this->getConf('prefix') . $options['name'] . $this->getConf('extension');

    62 

    63         // attempt to get the image size

    64         $imageSize = @getimagesize($imageFile);

    65 

    66         // return the HTML output

    67         return '<img src="' . $this->textEncode($imageFile) . '"' .

    68             (is_array($imageSize) ?

    69                 ' width="' . $imageSize[0] . '" height="' . $imageSize[1] .'"' : '') .

    70             ' alt="' . $options['desc'] . '"' .

    71             $this->formatConf(' class="%s"', 'css') . ' />';

    72     }

    73 }

    74 ?>