*/ class syntax_plugin_tagbutton extends SyntaxPlugin { /** @inheritDoc */ public function getType() { return 'substition'; } /** @inheritDoc */ public function getPType() { return 'block'; } /** @inheritDoc */ public function getSort() { return 20; } /** @inheritDoc */ public function connectTo($mode) { $this->Lexer->addSpecialPattern('\{\{tag-button>.+?\}\}', $mode, 'plugin_tagbutton'); } /** @inheritDoc */ public function handle($match, $state, $pos, Doku_Handler $handler) { // Remove the wrapping syntax $match = substr($match, 13, -2); // Split the tag, parameter, and label list($tagParam, $label) = array_pad(explode('|', $match, 2), 2, null); list($tag, $param) = array_pad(explode(':', $tagParam, 2), 2, null); return array(trim($tag), trim($param), trim($label)); } /** @inheritDoc */ public function render($mode, Doku_Renderer $renderer, $data) { if($mode === 'xhtml') { global $ID; // list($tag, $label) = $data; list($tag, $param, $label) = $data; $buttonId = 'tagbutton-' . md5($tag); // If the label is null or empty, use the tag as the label if ($label === null || $label === '') { $label = $tag; } // Generate the button class based on the parameter $buttonClass = 'tagbutton'; if ($param) { $buttonClass .= ' tag' . htmlspecialchars($param); } // Check if the configuration indicates to hide the button if the tag exists if ($this->getConf('hide_if_exists')) { $pageContent = rawWiki($ID); // Check if the tag already exists in the page if (preg_match('/\{\{tag>(.*?)\}\}/', $pageContent, $matches)) { $existingTags = explode(' ', strtolower(trim($matches[1]))); // If the tag already exists, do not render the button if (in_array(strtolower($tag), $existingTags)) { return true; } } } // Render the button if the tag doesn't exist or the configuration doesn't hide it $renderer->doc .= '' . htmlspecialchars($label) . ''; } return true; } }