<?php
/*
Plugin Name: Custom Post Type Test
Plugin URI: http://zed1.com/
Description: Testing Custom Post Types in WordPress 3.1
Author: Mike Little
Version: 0.1.0
Author URI: http://zed1.com/
License: GPLv2 or later
*/

new cpt(); // kick it all off
register_activation_hook( __FILE__, array( 'cpt', 'activation' ) );
register_deactivation_hook( __FILE__, array( 'cpt', 'deactivation' ) );

class cpt {
	function __construct() {
        add_action( 'init', array( 'cpt', 'init' ) );
	} // end constructor

    static function activation() {
		self::register_cpt();
		self::flush_rules();
	} // end activation

    static function deactivation() {
		self::flush_rules();
	} // end deactivation

    static function flush_rules() {
		flush_rewrite_rules();
	} // end deactivation

    static function init() {
		self::register_cpt();
	} // end init

	static function register_cpt() {
		if ( !post_type_exists( 'cpt' ) ) {
			$labels = array( 'name' => _x( 'CPTs', 'post type general name' ),
							 'singular_name' => _x( 'CPT', 'post type singular name' ),
							 'add_new' => _x( 'New CPT', 'add new singular name' ),
							 'add_new_item' => __( 'Add New CPT' ),
							 'edit_item' => __( 'Edit CPT' ),
							 'new_item' => __( 'New CPT' ),
							 'view_item' => __( 'View CPT' ),
							 'search_items' => __( 'Search CPTs' ),
							 'not_found' =>  __( 'No CPTs Found' ),
							 'not_found_in_trash' => __( 'No CPTs found in Trash' ),
							 'parent_item_colon' => '-:-'
						   );
			$args = array( 'labels' => $labels,
						   'public' => true,
						   'publicly_queryable' => true,
						   'show_ui' => true,
						   'query_var' => true,
						   'rewrite' => array( 'slug' => 'cpt',
											   'with_front' => true,
											   'feeds' => false,
											   'feed' => false,
											   'pages' => true,
											   'ep_mask' => 0 //(EP_ROOT)
											  ),
						   'has_archive' => 'cpts',
						   'capability_type' => 'post',
						   'hierarchical' => true,
						   'show_in_nav_menus' => true,
						   'menu_position' => 100, // last block
						   'supports' => array( 'title',
												'editor',
												'excerpt', 
												//'comments',
												'revisions',
												'page-attributes',
												'shortlink' )
						 );
			register_post_type( 'cpt', $args );
		}
	} // end register_cpt

} // end class cpt

/* put this in your side bar
<?php list_cpts(); ?>
*/

function list_cpts( $args = array() ) {
	global $post;
	$default_args = array( 'post_type'=>'cpt', 'title_li'=> __('CPTs') );

	if ( is_single() && ( 'cpt' == $post->post_type ) ) {
		if ( $parent_id = wp_get_post_parent_id( $post->ID ) ) {
			$default_args['child_of'] = $parent_id; // get siblings
		} else {
			$default_args['child_of'] = $post->ID; // get children
		}
	}

	$args = array_merge( $default_args, $args );
	return wp_list_pages( $args );
}