woo_custom_post_type.php

<?php
add_action('init', 'woo_add_portfolio');
if ( !function_exists('woo_add_portfolio') ) {
  function woo_add_portfolio() 
	{
	  $labels = array(
	    'name' => _x('Portfolio', 'post type general name', 'woothemes'),
	    'singular_name' => _x('Portfolio Item', 'post type singular name', 'woothemes'),
	    'add_new' => _x('Add New', 'slide', 'woothemes'),
	    'add_new_item' => __('Add New Portfolio Item', 'woothemes'),
	    'edit_item' => __('Edit Portfolio Item', 'woothemes'),
	    'new_item' => __('New Portfolio Item', 'woothemes'),
	    'view_item' => __('View Portfolio Item', 'woothemes'),
	    'search_items' => __('Search Portfolio Items', 'woothemes'),
	    'not_found' =>  __('No Portfolio Items found', 'woothemes'),
	    'not_found_in_trash' => __('No Portfolio Items found in Trash', 'woothemes'), 
	    'parent_item_colon' => ''
	  );
	  
	  $portfolioitems_rewrite = get_option('woo_portfolioitems_rewrite');
	  if(empty($portfolioitems_rewrite)) $portfolioitems_rewrite = 'portfolio-items';
	  
	  $args = array(
	    'labels' => $labels,
	    'public' => false,
	    'publicly_queryable' => true,
		'_builtin' => false,
	    'show_ui' => true, 
	    'query_var' => true,
	    'rewrite' => array('slug'=> $portfolioitems_rewrite),
	    'capability_type' => 'post',
	    'hierarchical' => false,
	    'menu_icon' => get_template_directory_uri() .'/includes/images/portfolio.png',
	    'menu_position' => null,
	    'supports' => array('title','editor','thumbnail', 'custom-fields'/*'author','excerpt','comments'*/),
		'taxonomies' => array('post_tag') // add tags so portfolio can be filtered
	  ); 
	  register_post_type('portfolio',$args);
	
	}
}
?>