gistfile1.aw

<?php

add_action( 'genesis_before_loop', 'be_recipe_archive_intro', 15 );
/**
 * Intro - Recipe Archive
 * @author Bill Erickson
 *
 * (in archive-recipes.php)
 */
function be_recipe_archive_intro() {
	echo '<h4>Cocktail Recipes';
	be_navigation_count( 'Recipes' );
	echo '</h4>';
	echo '<div class="archive-intro">';
	echo '<div class="search"><label>Search by Name or Ingredients:</label>';
	global $form_type;
	$form_type = 'recipe';
	get_search_form();
	$form_type = '';	
	echo '</div><!-- search -->';
	be_sort_by();
	echo '<div class="filter-category"><label>Category:</label> ';
	echo be_taxonomy_select_and_filter( 'base', 'recipe' );
	echo '</div><!-- .filter-category-->';
	echo '<div class="filter-name"><label>Name:</label> ';
	echo be_taxonomy_select_and_filter( 'name-range', 'recipe' );
	echo '</div>';
	echo '</div>';
	echo '<div class="dot-divider"></div>';
	
}

add_filter( 'be_all_taxonomy_filters', 'be_recipe_tax_filters' );
/**
 * Include taxonomy filters in 'all' list
 * @author Bill Erickson
 *
 * @param array $all
 * @return array
 */
function be_recipe_tax_filters( $all ) {
	$brands = array( 'filter', 'base', 'name-range' );
	return array_merge( $all, $brands );
}


/**
 * Taxonomy Select and Filter
 * @author  Bill Erickson
 *
 * @param string $taxonomy_slug
 * @return string $output
 */
function be_taxonomy_select_and_filter( $taxonomy_slug, $post_type = false ) {
	$terms = get_terms( $taxonomy_slug, array( 'hide_empty' => false ) );
	if( false == $terms )
		return false;
		
	$form = '<form action="' . get_bloginfo('url') . '" method="get"><div>';
	
	// Include existing query vars
	$other_filters = array_unique( apply_filters( 'be_all_taxonomy_filters', array( ) ) );
	foreach( $other_filters as $other_filter )
		if( get_query_var( $other_filter ) )
			$form .= '<input type="hidden" name="' . $other_filter . '" value="' . get_query_var( $other_filter ) . '" />';

	// Build the select menu	
	$form .= '<select name="' . $taxonomy_slug . '" id="' . $taxonomy_slug . '" class="postform" onchange="return this.form.submit()">';
	
	// If the select has been used already, show the value
	$active = false;
	if( get_query_var( $taxonomy_slug ) ) {
		$active = get_term_by( 'slug', get_query_var( $taxonomy_slug ), $taxonomy_slug );
		$form .= '<option value="' . $active->slug . '">' . $active->name . '</option><option value="all">All</option>';
	}else {
		$form .= '<option value="-1">Select</option>';
	}
	
	// List all the terms (excluding active)
	foreach( $terms as $term ) {
		if( $term->term_id !== $active->term_id )
			$form .= '<option value="' . $term->slug . '">' . $term->name . '</option>';
	}
		
	$form .= '</select>';
	if( $post_type )
		$form .= '<input type="hidden" name="post_type" value="' . $post_type . '" />';	
		
	$form .= '<noscript><div><input type="submit" value="View" /></div></noscript>';
	$form .= '</div></form>';
	
	return $form;		
}