class admin_plugin_yourplugin extends DokuWiki_Admin_Plugin {
 
	private $explorer_helper = null;
	private $explorer_registered = false;
 
	function get_explorer(){
		if (!$this->explorer_helper){
			$this->explorer_helper = plugin_load('helper','explorertree');
		}
		return $this->explorer_helper;
	}
	function init_explorertree(){
		if (!($e = $this->get_explorer())) return;
		if (!$this->explorer_registered){
			$e->registerRoute('yourroutingname',array(
				'init_plugin' => array(	// this is the method to register routing, hence this method itself is the 'init_plugin' option.
					'plugin' => 'yourplugin',
					'type' => 'admin',
					'method' => 'init_explorertree',
				),
				'vars' => array(
					'class' => 'explorertree', // override css class
					'id' => 'mytreeid', // override id for the tree
				),
				'callbacks' => array(	// callbacks in your plugin, or any callback
					// php callbacks, which are called via ajax
					'page_selected_cb' => array($this,'pageselected'),
					'ns_selected_cb' => function($id){ /* any closure or callable*/ return array(); },
					// javascript callbacks, which are called on client side (name must be a string, your client side defined function name):
					'page_selected_js' => 'my_ns_callback',
					'ns_selected_js' => 'my_page_callback',
				),
			));
			$this->explorer_registered = true;
		}
		return $e;
	}

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