WooCommerce Custom Taxonomies

woocommerce-taxonomies.php

<?php
// $taxonomies array creates new taxonomies
// This would create product and collection taxonomies
if ( class_exists( 'Woocommerce' ) ) {

	class pe_wc_product_custom_taxonomy
	{
	    var $taxonomies = array(
	        'product',
	        'collection'
	    );

	    function __construct() {

	        // Hook into the 'init' action
	        add_action('init', array($this, 'init'));

	        add_action('admin_init', array($this, 'admin_init'));
	        add_action('admin_init', array($this, 'save_admin_settings'), 0);
	    }


	    function init() {

	        foreach ( $this->taxonomies AS $taxonomy )
	        {
	            $this->register_taxonomy($taxonomy);
	        }
	    }

	    function admin_init()
	    {
	        //add_settings_section( 'dt-wc-permalink', __( 'Product permalink base', 'woocommerce' ), 'woocommerce_permalink_settings', 'permalink' );


	        foreach ( $this->taxonomies AS $taxonomy )
	        {
	            add_settings_field(
	                'woocommerce_product_'.$taxonomy.'_slug',      	// id
	                __( ucfirst($taxonomy).' base<br />(Custom taxonomy)', 'woocommerce' ), 	// setting title
	                array($this, 'product_tax_slug_input'),  // display callback
	                'permalink',                 				// settings page
	                'optional',                  				// settings section
	                $taxonomy
	            );
	        }

	    }

	    function product_tax_slug_input( $tax_name ) {
	        $permalinks = get_option( 'pe_wc_permalinks' );
		?>
		<input name="pe_wc_product_<?php echo $tax_name; ?>_slug" type="text" class="regular-text code" value="<?php if ( isset( $permalinks[$tax_name.'_tax_base'] ) ) echo esc_attr( $permalinks[$tax_name.'_tax_base'] ); ?>" placeholder="<?php echo _x('product-'.$tax_name, 'slug', 'pe_wc_product_custom_taxonomy') ?>" />
		<?php
	    }

	    function save_admin_settings()
	    {
	        if ( ! is_admin() )
	            return;

	        $permalinks = array();

	        foreach ( $this->taxonomies AS $taxonomy )
	        {
	            if ( isset( $_POST['pe_wc_product_'.$taxonomy.'_slug'] ) )
	            {
	                $permalinks[$taxonomy.'_tax_base'] = untrailingslashit(woocommerce_clean($_POST['pe_wc_product_'.$taxonomy.'_slug']));
	            }
	        }

	        if(!empty($permalinks))
	        {
	            update_option( 'pe_wc_permalinks', $permalinks );

	            flush_rewrite_rules();
	        }
	    }

	    // Register Custom Taxonomy
	    function register_taxonomy($taxonomy_name)
	    {
	        $permalinks = get_option( 'pe_wc_permalinks' );

	        $product_tax_slug 	= empty( $permalinks[$taxonomy_name.'_tax_base'] ) ? 'product-'.$taxonomy_name : $permalinks[$taxonomy_name.'_tax_base'];

	        //Admin labels
	        $labels = array(
	            'name' => _x( ucfirst($taxonomy_name).'s', 'Taxonomy General Name', 'pe_wc_product_custom_taxonomy'),
	            'singular_name' => _x(ucfirst($taxonomy_name), 'Taxonomy Singular Name', 'pe_wc_product_custom_taxonomy'),
	            'menu_name' => __(ucfirst($taxonomy_name).'s', 'pe_wc_product_custom_taxonomy'),
	            'all_items' => __('All '.ucfirst($taxonomy_name).'s', 'pe_wc_product_custom_taxonomy'),
	            'parent_item' => __('Parent '.ucfirst($taxonomy_name), 'pe_wc_product_custom_taxonomy'),
	            'parent_item_colon' => __('Parent '.ucfirst($taxonomy_name).'s'.':', 'pe_wc_product_custom_taxonomy'),
	            'new_item_name' => __('New '.ucfirst($taxonomy_name).' Name', 'pe_wc_product_custom_taxonomy'),
	            'add_new_item' => __('Add New '.ucfirst($taxonomy_name), 'pe_wc_product_custom_taxonomy'),
	            'edit_item' => __('Edit '.ucfirst($taxonomy_name), 'pe_wc_product_custom_taxonomy'),
	            'update_item' => __('Update '.ucfirst($taxonomy_name), 'pe_wc_product_custom_taxonomy'),
	            'separate_items_with_commas' => __('Separate '.$taxonomy_name.' with commas', 'pe_wc_product_custom_taxonomy'),
	            'search_items' => __('Search '.$taxonomy_name, 'pe_wc_product_custom_taxonomy'),
	            'add_or_remove_items' => __('Add or remove '.$taxonomy_name, 'pe_wc_product_custom_taxonomy'),
	            'choose_from_most_used' => __('Choose from the most used '-$taxonomy_name, 'pe_wc_product_custom_taxonomy'),
	        );


	        //Taxonomy settings
	        $args = array(
	            'labels' => $labels,
	            'hierarchical' => true,
	            'public' => true,
	            'show_ui' => true,
	            'show_admin_column' => true,
	            'show_in_nav_menus' => true,
	            'show_tagcloud' => false,
	            'query_var' => true,
	            'rewrite' => array(
	                'slug' => $product_tax_slug,
	                'with_front' => false,
	                'hierarchical' => true,
	            )
	        );
	        register_taxonomy($taxonomy_name, 'product', $args);
	    }

	}

	$_GLOBALS['pe_wc_product_custom_taxonomy'] = new pe_wc_product_custom_taxonomy();

}
?>