*/
// must be run within Dokuwiki
if (!defined('DOKU_INC')) {
die();
}
class syntax_plugin_drawio extends DokuWiki_Syntax_Plugin
{
/**
* @return string Syntax mode type
*/
public function getType()
{
return 'substition';
}
/**
* @return int Sort order - Low numbers go before high numbers
*/
public function getSort()
{
return 303;
}
/**
* Connect lookup pattern to lexer.
*
* @param string $mode Parser mode
*/
public function connectTo($mode)
{
$this->Lexer->addSpecialPattern("\{\{drawio>.+?\}\}",$mode,'plugin_drawio');
}
/**
* Handle matches of the drawio syntax
*
* @param string $match The match of the syntax
* @param int $state The state of the handler
* @param int $pos The position in the document
* @param Doku_Handler $handler The handler
*
* @return array Data for the renderer
*/
public function handle($match, $state, $pos, Doku_Handler $handler)
{
return substr($match,9,-2);
}
/**
* Render xhtml output or metadata
*
* @param string $mode Renderer mode (supported modes: xhtml)
* @param Doku_Renderer $renderer The renderer
* @param array $data The data from the handler() function
*
* @return bool If rendering was successful.
*/
public function render($mode, Doku_Renderer $renderer, $data)
{
if ($mode !== 'xhtml') {
return false;
}
$renderer->nocache();
// Validate that the image exists otherwise pring a default image
global $conf;
$media_id = $data;
// if no extention specified, use png
if(!in_array(pathinfo($media_id, PATHINFO_EXTENSION),array_map('trim',explode(",",$this->getConf('toolbar_possible_extension'))) )){
$media_id .= ".png";
}
$current_id = getID();
$current_ns = getNS($current_id);
resolve_mediaid($current_ns, $media_id, $exists);
if(!$exists){
$renderer->doc .= "![".$media_id."](".DOKU_BASE."lib/plugins/drawio/blank-image.png)
";
return true;
}
$renderer->doc .= "![".$media_id."](".DOKU_BASE."lib/exe/fetch.php?media=".$media_id.")
";
return true;
}
}