class-gravityview-metabox-tabs.php

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<?php

/**
 * Stores each GravityView_Metabox_Tab instance
 * @since 1.8
 * @see https://gist.github.com/zackkatz/6cc381bcf54849f2ed41 For example of adding a metabox
 * @see https://github.com/WebDevStudios/CMB2/blob/master/includes/CMB2_Boxes.php Thanks for the inspiration
 */
class GravityView_Metabox_Tabs {

 /**
 * Array of all GravityView_Metabox_Tab objects
 * @var array
 * @since 1.8
 */
 protected static $meta_boxes = array();

 /**
 * Add a tab
 *
 * @since 1.8
 *
 * @param GravityView_Metabox_Tab $meta_box
 *
 * @return void
 */
 public static function add( GravityView_Metabox_Tab $meta_box ) {
 self::$meta_boxes[ $meta_box->id ] = $meta_box;
 }

 /**
 * Remove a tab by tab ID
 *
 * @since 1.8
 *
 * @param string $meta_box_id
 *
 * @return void
 */
 public static function remove( $meta_box_id ) {
 if ( array_key_exists( $meta_box_id, self::$meta_boxes ) ) {
 unset( self::$meta_boxes[ $meta_box_id ] );
 }
 }

 /**
 * Get a tab by ID
 *
 * @since 1.8
 *
 * @param string $id
 *
 * @return bool|GravityView_Metabox_Tab False if none exist at the key $id; GravityView_Metabox_Tab if exists.
 */
 public static function get( $id ) {
 if ( empty( self::$meta_boxes ) || empty( self::$meta_boxes[ $id ] ) ) {
 return false;
 }

 return self::$meta_boxes[ $id ];
 }

 /**
 * Get array of all registered metaboxes
 *
 * @return array|GravityView_Metabox_Tab[] Empty array if no tabs, otherwise array of `GravityView_Metabox_Tab`s
 */
 public static function get_all() {
 return self::$meta_boxes;
 }

}