* @copyright Copyright (c) 2008 - 2017, Justin Tadlock
* @link https://themehybrid.com/hybrid-core
* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*/
/**
* Singleton class for handling the term layout feature.
*
* @since 4.0.0
* @access public
*/
final class Hybrid_Admin_Term_Layout {
/**
* Returns the instance.
*
* @since 4.0.0
* @access public
* @return object
*/
public static function get_instance() {
static $instance = null;
if ( is_null( $instance ) ) {
$instance = new self;
$instance->setup_actions();
}
return $instance;
}
/**
* Constructor method.
*
* @since 4.0.0
* @access private
* @return void
*/
private function __construct() {}
/**
* Sets up initial actions.
*
* @since 4.0.0
* @access private
* @return void
*/
private function setup_actions() {
if ( ! current_theme_supports( 'theme-layouts', 'term_meta' ) )
return;
// Load on the edit tags screen.
add_action( 'load-tags.php', array( $this, 'load' ) );
add_action( 'load-edit-tags.php', array( $this, 'load' ) );
// Update term meta.
add_action( 'create_term', array( $this, 'save' ) );
add_action( 'edit_term', array( $this, 'save' ) );
}
/**
* Runs on the load hook and sets up what we need.
*
* @since 4.0.0
* @access public
* @return void
*/
public function load() {
if ( ! current_user_can( 'edit_theme_options' ) )
return;
$screen = get_current_screen();
// Add the form fields.
add_action( "{$screen->taxonomy}_add_form_fields", array( $this, 'add_form_fields' ) );
add_action( "{$screen->taxonomy}_edit_form_fields", array( $this, 'edit_form_fields' ) );
// Enqueue scripts/styles.
add_action( 'admin_enqueue_scripts', array( $this, 'enqueue' ) );
}
/**
* Enqueues scripts/styles.
*
* @since 4.0.0
* @access public
* @return void
*/
public function enqueue() {
wp_enqueue_style( 'hybrid-admin' );
add_action( 'admin_footer', 'hybrid_layout_field_inline_script' );
}
/**
* Displays the layout selector in the new term form.
*
* @since 4.0.0
* @access public
* @return void
*/
public function add_form_fields() { ?>
display_field(); ?>
|
display_field( $term ); ?> |
taxonomy;
// Get only the term layouts.
$layouts = wp_list_filter( hybrid_get_layouts(), array( 'is_term_layout' => true, 'image' => true ) );
// Remove unwanted layouts.
foreach ( $layouts as $layout ) {
if ( $layout->taxonomies && ! in_array( $taxonomy, $layout->taxonomies ) )
unset( $layouts[ $layout->name ] );
}
// If we have a term, get its layout.
if ( $term )
$term_layout = hybrid_get_term_layout( $term->term_id );
// Output the nonce field.
wp_nonce_field( basename( __FILE__ ), 'hybrid_term_layout_nonce' );
// Output the layout field.
hybrid_form_field_layout(
array(
'layouts' => $layouts,
'selected' => $term_layout ? $term_layout : 'default',
'field_name' => 'hybrid-term-layout'
)
);
}
/**
* Saves the term meta.
*
* @since 4.0.0
* @access public
* @param int $term_id
* @return void
*/
public function save( $term_id ) {
if ( ! hybrid_verify_nonce_post( basename( __FILE__ ), 'hybrid_term_layout_nonce' ) )
return;
$old_layout = hybrid_get_term_layout( $term_id );
$new_layout = isset( $_POST['hybrid-term-layout'] ) ? sanitize_key( $_POST['hybrid-term-layout'] ) : '';
if ( $old_layout && '' === $new_layout )
hybrid_delete_term_layout( $term_id );
else if ( $old_layout !== $new_layout )
hybrid_set_term_layout( $term_id, $new_layout );
}
}
// Let's roll.
Hybrid_Admin_Term_Layout::get_instance();