* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 * @version CVS: $Id: Url.php,v 1.18 2007/05/26 17:15:41 mic Exp $ * @link http://pear.php.net/package/Text_Wiki */ /** * This class renders URL links in XHTML. * * @category Text * @package Text_Wiki * @author Paul M. Jones * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 * @version Release: @package_version@ * @link http://pear.php.net/package/Text_Wiki */ class Text_Wiki_Render_Xhtml_Url extends Text_Wiki_Render { var $conf = array( 'target' => '_blank', 'images' => true, 'img_ext' => array('jpg', 'jpeg', 'gif', 'png'), 'css_inline' => null, 'css_footnote' => null, 'css_descr' => null, 'css_img' => null ); /** * * Renders a token into text matching the requested format. * * @access public * * @param array $options The "options" portion of the token (second * element). * * @return string The text rendered from the token options. * */ function token($options) { // create local variables from the options array (text, // href, type) extract($options); // find the rightmost dot and determine the filename // extension. $pos = strrpos($href, '.'); $ext = strtolower(substr($href, $pos + 1)); $href = $this->textEncode($href); // does the filename extension indicate an image file? if ($this->getConf('images') && in_array($ext, $this->getConf('img_ext', array()))) { // create alt text for the image if ( ! isset($text) || $text == '') { $text = basename($href); $text = $this->textEncode($text); } // generate an image tag $css = $this->formatConf(' class="%s"', 'css_img'); $start = ""; } else { // should we build a target clause? if ($href{0} == '#' || strtolower(substr($href, 0, 7)) == 'mailto:') { // targets not allowed for on-page anchors // and mailto: links. $target = ''; } else { // allow targets on non-anchor non-mailto links $target = $this->getConf('target'); } // generate a regular link (not an image) $text = $this->textEncode($text); $css = $this->formatConf(' class="%s"', "css_$type"); $start = "textEncode($target); $start .= " onclick=\"window.open(this.href, '$target');"; $start .= " return false;\""; } if (isset($name)) { $start .= " id=\"$name\""; } // finish up output $start .= ">"; $end = ""; // make numbered references look like footnotes when no // CSS class specified, make them superscript by default if ($type == 'footnote' && ! $css) { $start = '^{' . $start; $end = $end . '}'; } } if ($options['type'] == 'start') { $output = $start; } else if ($options['type'] == 'end') { $output = $end; } else { $output = $start . $text . $end; } return $output; } } ?>