自定义分类术语页面中的当前分类项

Question

I've got a custom taxonomy called trailer_type with terms long and short. When visiting my_site/trailers/short (a page powered by template taxonomy-trailer_type.php) I display my taxonomy terms this way:

$terms = get_terms( 'trailer_type' );
if ( ! empty( $terms ) && ! is_wp_error( $terms ) ) {
    echo '<ul>';
    foreach ( $terms as $term ) {
        echo '<li><a href="' . get_term_link( $term ) . '" title="' . sprintf( __( 'View all post filed under %s', 'my_localization_domain' ), $term->name ) . '">' . $term->name . '</a></li>';
    }
    echo '</ul>';
}

Works well but is there a simple way to add a "current" class? For example if I'm on the "long" page, I'd need "long" to have "current" class in this menu.

Answer 1

You need to look at the queried object. There's several ways to do it, here's what I tend to use: $wp_query->queried_object - this returns, as the name implies, the queried object.

In your case, something like this should work:

$curTerm =  $wp_query->queried_object;
$terms = get_terms( 'trailer_type' );
if ( ! empty( $terms ) && ! is_wp_error( $terms ) ) {
    echo '<ul>';
    foreach ( $terms as $term ) {
        $classes = array();
        if ($term->name == $curTerm->name)
            $classes[] = 'current';
        echo '<li class="'. implode(' ',$classes) .'"><a href="' . get_term_link( $term ) . '" title="' . sprintf( __( 'View all post filed under %s', 'my_localization_domain' ), $term->name ) . '">' . $term->name . '</a></li>';
    }
    echo '</ul>';
}

I'm setting the classes to an array simply for future expansion. You could set it to a string right away as well.