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<?php
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class Text_Wiki_Render_Xhtml_Url extends Text_Wiki_Render {
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var $conf = array(
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'target' => '_blank',
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'images' => true,
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'img_ext' => array('jpg', 'jpeg', 'gif', 'png'),
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'css_inline' => null,
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'css_footnote' => null,
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'css_descr' => null,
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'css_img' => null
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);
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/**
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*
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* Renders a token into text matching the requested format.
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*
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* @access public
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*
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* @param array $options The "options" portion of the token (second
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* element).
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*
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* @return string The text rendered from the token options.
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*
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*/
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function token($options)
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{
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// create local variables from the options array (text,
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// href, type)
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extract($options);
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// find the rightmost dot and determine the filename
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// extension.
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$pos = strrpos($href, '.');
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$ext = strtolower(substr($href, $pos + 1));
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$href = htmlspecialchars($href);
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// does the filename extension indicate an image file?
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if ($this->getConf('images') &&
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in_array($ext, $this->getConf('img_ext', array()))) {
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// create alt text for the image
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if (! isset($text) || $text == '') {
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$text = basename($href);
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$text = htmlspecialchars($text);
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}
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// generate an image tag
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$css = $this->formatConf(' class="%s"', 'css_img');
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$output = "<img$css src=\"$href\" alt=\"$text\" />";
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} else {
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// allow for alternative targets on non-anchor HREFs
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if ($href{0} == '#') {
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$target = '';
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} else {
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$target = $this->getConf('target');
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}
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// generate a regular link (not an image)
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$text = htmlspecialchars($text);
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$css = $this->formatConf(' class="%s"', "css_$type");
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$output = "<a$css href=\"$href\"";
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if ($target) {
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// use a "popup" window. this is XHTML compliant, suggested by
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// Aaron Kalin. uses the $target as the new window name.
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$target = htmlspecialchars($target);
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$output .= " onclick=\"window.open(this.href, '$target');";
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$output .= " return false;\"";
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}
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// finish up output
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$output .= ">$text</a>";
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// make numbered references look like footnotes when no
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// CSS class specified, make them superscript by default
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if ($type == 'footnote' && ! $css) {
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$output = '<sup>' . $output . '</sup>';
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}
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}
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return $output;
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}
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}
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?>
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