Taxonomy and Terms Dropdown

gistfile1.txt

add_action( 'ntg_render_taxonomy_terms_select' , 'wps_taxonomy_terms_select' , 10 , 3 );
function wps_taxonomy_terms_select ( $field, $meta, $id ) {
	global $post;
	if ( $field['type'] == 'taxonomy_terms_select' ) {
		
		echo '<select name="', $id, '" id="', $id, '"  style="margin-top: 5px;">';
		$pts = get_post_types();
		echo '<option style="padding-right:10px;" value=""', selected ( $meta, '' ), '>', __( 'All Taxonomies and Terms', WPS_SLIDER ).'</option>';
		
		if ( $field['options'] ) {
			foreach ($field['options'] as $option) {
				echo '<option value="', $option['value'], '"', $meta == $option['value'] ? ' selected="selected"' : '', '>', $option['name'], '</option>';
			}
		}
		
		$taxonomies = get_taxonomies( array( 'public' => true ), 'objects' );
		
		foreach ( $taxonomies as $taxonomy ) {
			$query_label = '';
			if ( !empty( $taxonomy->query_var ) )
				$query_label = $taxonomy->query_var;
			else
				$query_label = $taxonomy->name;
				echo '<optgroup label="', esc_attr( $taxonomy->labels->name ), '">';
					echo '<option style="margin-left: 5px; padding-right:10px;" value="', esc_attr( $query_label ), '"', selected( esc_attr( $query_label ), $meta ), '>', $taxonomy->labels->all_items, '</option>';

					$terms = get_terms( $taxonomy->name, 'orderby=name&hide_empty=1' );
					foreach ( $terms as $term ) {
						echo '<option style="margin-left: 8px; padding-right:10px;" value="', esc_attr( $query_label ) . ',' . $term->slug, '"', selected( esc_attr( $query_label ) . ',' . $term->slug, $meta ),'>', '-', esc_attr( $term->name ), '</option>';
					} 
				echo '</optgroup>';
		}
		echo '</select>';
		echo '<p class="cmb_metabox_description">', $field['desc'], '</p>';
	}
}