CPT-specific sidebars

sidebars.php

<?php

add_action( 'get_header', 'scl_cpt_switch_sidebar' );

function scl_cpt_switch_sidebar() {
	remove_action( 'genesis_sidebar', 'genesis_do_sidebar' ); 
	add_action( 'genesis_sidebar', 'scl_do_sidebar' );
}

function scl_do_sidebar() {
	if ( is_page_template( 'page_whitepaper.php' ) ) {
		dynamic_sidebar( 'whitepaper' );
		return;
	}
	
	if ( function_exists( 'scl_find_post_type' ) )
		$type = tees_find_post_type();
	else
		$type = get_query_var( 'post_type' );
	
	if ( is_home() && !is_front_page() )
		$type = 'post';
	
	if ( isset( $type ) && !empty( $type ) && is_active_sidebar( $type ) && !in_array( $type, array( 'any', 'page', 'attachment' ) ) )
		dynamic_sidebar( $type );
	else
		genesis_do_sidebar();
}