* @author Luigi Micco * @author Andreas Gohr */ // must be run within Dokuwiki if (!defined('DOKU_INC')) die(); /** * Latexit uses some function to load plugins. */ require_once DOKU_INC . 'inc/pluginutils.php'; /** * Action plugin component class handles calling of events before and after * some actions. */ class action_plugin_latexit extends DokuWiki_Action_Plugin { /** * Registers a callback function for given events * * @param Doku_Event_Handler $controller DokuWiki's event controller object */ public function register(Doku_Event_Handler $controller) { //call _purgeCache before using parser's cache $controller->register_hook('PARSER_CACHE_USE', 'BEFORE', $this, '_purgeCache'); //call _setLatexitSort before initializing language (the very first event in DW) $controller->register_hook('INIT_LANG_LOAD', 'BEFORE', $this, '_setLatexitSort'); $controller->register_hook('TEMPLATE_PAGETOOLS_DISPLAY', 'BEFORE', $this, 'addbutton', array()); } /** * Add 'export pdf'-button to pagetools * * This function is based on dw2pdf plugin. * It is not my own work. * https://github.com/splitbrain/dokuwiki-plugin-dw2pdf/blob/master/ * * @param Doku_Event $event * @param mixed $param not defined * @author Luigi Micco * @author Andreas Gohr */ public function addbutton(&$event, $param) { global $ID, $REV, $conf; if ( $this->getConf('showexportbutton') && $event->data['view'] == 'main') { $params = array('do' => 'export_latexit'); if ($REV) $params['rev'] = $REV; switch ($conf['template']) { case 'dokuwiki': case 'arago': $event->data['items']['export_latexit'] = '

' . '' . 'Export LaTeX' . '' . '

'; break; } } } /** * Function purges latexit cache, so even a change in recursively inserted * page will generate new file. * @param Doku_Event $event Pointer to the give DW event. * @param array $param event parameters */ public function _purgeCache(Doku_Event &$event, $param) { if ($event->data->mode == 'latexit') { //touching main config will make all cache invalid touch(DOKU_INC . 'conf/local.php'); } } /** * When LaTeX export is called, this function will change priority * of its Syntax component to the highest one. * @param Doku_Event $event Pointer to the give DW event. * @param array $param event parameters */ public function _setLatexitSort(Doku_Event &$event, $param) { if (isset($_GET['do']) && $_GET['do'] == 'export_latexit') { //load syntax component and set its sort order /** @var syntax_plugin_latexit_base $syntax_plugin */ $syntax_plugin = plugin_load('syntax', 'latexit_base'); $syntax_plugin->_setSort(1); /** @var syntax_plugin_latexit_mathjax $syntax_plugin */ $syntax_plugin = plugin_load('syntax', 'latexit_mathjax'); $syntax_plugin->_setSort(2); } } }