Lexer->addSpecialPattern('<\/?(?:no-)?fragment-(?:block|list)\b.*?>', $mode, 'plugin_revealjs_fragmentblock');
}
/**
* Handler to prepare matched data for the rendering process.
*
* @param $aMatch String The text matched by the patterns.
* @param $aState Integer The lexer state for the match.
* @param $aPos Integer The character position of the matched text.
* @param $aHandler Object Reference to the Doku_Handler object.
* @return Integer The current lexer state for the match.
* @public
* @see render()
* @static
*/
public function handle($match, $state, $pos, Doku_Handler $handler) {
list($type, $param1, $param2) = preg_split("/\s+/", substr($match, 1, -1), 3);
if ($param1) {
if ($this->_is_valid_style($param1)) $style = $param1;
elseif (intval($param1) > 0) $index = $param1;
}
if ($param2) {
if (intval($param2) > 0) $index = $param2;
elseif ($this->_is_valid_style($param2)) $style = $param2;
}
return array($type, $style, $index);
}
/**
* Handle the actual output creation.
*
* @param $aFormat String The output format to generate.
* @param $aRenderer Object A reference to the renderer object.
* @param $aData Array The data created by the handle()
* method.
* @return Boolean TRUE if rendered successfully, or
* FALSE otherwise.
* @public
* @see handle()
*/
public function render($mode, Doku_Renderer $renderer, $data) {
if($mode == 'xhtml' && is_a($renderer, 'renderer_plugin_revealjs')) {
list($type, $style, $index) = $data;
switch ($type) {
case 'fragment-block' :
$renderer->doc .= DOKU_LF.'';
break;
case '/fragment-block' :
$renderer->doc .= '
'.DOKU_LF;
break;
case 'fragment-list' :
$renderer->fragment_list_open = true;
$renderer->fragment_style = $style;
break;
case '/fragment-list' :
$renderer->fragment_list_open = false;
$renderer->fragment_style = '';
break;
case 'no-fragment-list' :
$renderer->no_fragment_list_open = true;
break;
case '/no-fragment-list' :
$renderer->no_fragment_list_open = false;
break;
}
return true;
}
return false;
}
/**
* Validate fragment style: $style
*/
private function _is_valid_style($style) {
$pattern = '/^(?:grow|shrink|fade-(?:in|out|up|down|left|right)|current-visible|highlight(?:-current)?-(?:red|green|blue))$/';
if (preg_match($pattern, $style)) return $style;
return '';
}
}