start.php

<?php

function showcase_init() {
	//general
	elgg_register_entity_type("object", 'showcase');

	// elgg_register_admin_menu_item('administer', 'pending', 'showcase');
	// elgg_register_admin_menu_item('administer', 'featured', 'showcase');

	//actions
	$actions_base = dirname(__FILE__) . "/actions/showcase";
	elgg_register_action("showcase/add", "$actions_base/save.php");
	elgg_register_action("showcase/delete", "$actions_base/delete.php");

	//handlers
	elgg_register_entity_url_handler('object', 'showcase', 'showcase_url_handler');
    
    elgg_register_simplecache_view('css/elgg/showcase');
    elgg_register_simplecache_view('css/elgg/gallery/showcase');
    
    elgg_register_page_handler('showcase', 'showcase_page_handler');
    
    elgg_register_menu_item('site', ElggMenuItem::factory(array(
        'name' => 'showcase',
        'href' => '/showcase',
        'text' => elgg_echo('showcase'),
    )));
}

function showcase_page_handler() {
    $handler = new ElggShowcaseIndexHandler();
    echo $handler->get(); // This is an HTTP "GET" request
    return true;
}

function showcase_url_handler($object) {
	return "/showcase/$object->guid";
}

elgg_register_event_handler('init', 'system', 'showcase_init');