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<?php |
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class Tabify_Edit_Screen_Feature_Detection { |
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/** |
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* Set hooks |
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* |
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* @since 0.9.0 |
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*/ |
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public function __construct() { |
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add_action( 'current_screen', array( $this, 'head_action_begin_settings_page' ) ); |
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add_action( 'current_screen', array( $this, 'head_action_begin_edit_page' ) ); |
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// Hook for requesting missing hooks |
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add_action( 'tabify_add_meta_boxes', array( $this, 'add_missing_meta_boxes' ) ); |
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// Checking & storing unattached meta boxes on the edit page |
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add_action( 'tabify_unattached_metaboxes', array( $this, 'unattached_metaboxes' ) ); |
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} |
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/** |
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* Checks if script for edit page need to be enqueued |
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* |
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* @since 1.0.0 |
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*/ |
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public function head_action_begin_settings_page( $screen ) { |
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if ( 'settings_page_tabify-edit-screen' == $screen->base ) { |
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$this->enqueue_script(); |
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} |
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} |
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/** |
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* Actions to return JSON output on post type new/edit screen |
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* |
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* @since 1.0.0 |
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*/ |
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public function head_action_begin_edit_page( $screen ) { |
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if ( ( 'post' == $screen->base || 'media' == $screen->base ) && isset( $_GET['test_metaboxes'] ) ) { |
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ob_end_clean(); // For when warnings are displayed |
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ob_start(); |
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add_filter( 'tabify_tab_posttype_show', '__return_true', 1000 ); |
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add_action( 'admin_head', array( $this, 'head_action' ), 110 ); |
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} |
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} |
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/** |
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* Enqueue script to load detected meta boxes and display them in the settings page |
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* |
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* @since 0.9.0 |
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*/ |
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private function enqueue_script() { |
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wp_register_script( 'tabify-edit-screen-detection', plugins_url( '/detection.js', __FILE__ ), array( 'jquery' ), '1.0' ); |
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wp_enqueue_script( 'tabify-edit-screen-detection' ); |
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$posttype_links = array(); |
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$args = array( |
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'show_ui' => true |
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); |
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$posttypes_objects = get_post_types( $args, 'objects' ); |
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$posttypes_objects = apply_filters( 'tabify_posttypes', $posttypes_objects ); |
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foreach ( $posttypes_objects as $posttype ) { |
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if ( get_transient( 'tabify_detection_' . $posttype->name ) !== false ) { |
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continue; |
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} |
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$args = array( |
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'post_type' => $posttype->name, |
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'orderby' => 'rand', |
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'posts_per_page' => '1', |
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'post_status' => 'any' |
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); |
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$post = get_posts( $args ); |
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if ( ! empty( $post ) ) { |
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$url = get_edit_post_link( $post[0], 'raw' ); |
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$url = add_query_arg( 'test_metaboxes', 'true', $url ); |
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$posttype_links[ $posttype->name ] = $url; |
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} |
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else { |
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$url = admin_url('post-new.php'); |
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$url = add_query_arg( 'post_type', $posttype->name, $url ); |
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$url = add_query_arg( 'test_metaboxes', 'true', $url ); |
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$posttype_links[ $posttype->name ] = $url; |
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} |
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} |
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wp_localize_script( 'tabify-edit-screen-detection', 'tabify_detection', array( |
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'posttype_links' => $posttype_links |
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) ); |
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} |
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/** |
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* Load the JSON data for the settings page |
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* |
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* @since 0.9.0 |
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*/ |
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public function head_action() { |
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global $wp_meta_boxes; |
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$screen = get_current_screen(); |
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ob_end_clean(); |
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echo wp_json_encode( get_transient( 'tabify_detection_' . $screen->post_type ) ); |
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exit; |
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} |
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/** |
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* Add missing meta boxes as meta boxes on the edit screen so it doesn't disappear on first load |
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* |
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* @since 0.9.0 |
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*/ |
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public function add_missing_meta_boxes( $post_type ) { |
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if ( is_array( $metaboxes = get_transient( 'tabify_detection_' . $post_type ) ) ) { |
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foreach ( $metaboxes as $id => $metabox ) { |
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if ( ! isset( $wp_meta_boxes[ $post_type ][ $metabox->context ][ $metabox->priority ][ $id ] ) ) { |
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add_meta_box( $id, $metabox->title, '__return_false', $post_type, $metabox->priority, $metabox->context ); |
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} |
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} |
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} |
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} |
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/** |
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* Check and save missing |
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* |
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* @since 0.9.0 |
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*/ |
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public function unattached_metaboxes( $unattached_metaboxes ) { |
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$screen = get_current_screen(); |
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$previous_metaboxes = get_transient( 'tabify_detection_' . $screen->post_type ); |
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$metaboxes = array(); |
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if ( $unattached_metaboxes ) { |
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$metaboxes = $this->get_metaboxes( $screen->post_type ); |
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foreach ( $metaboxes as $metabox_id => $metabox ) { |
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if ( ! isset( $unattached_metaboxes[ $metabox_id ] ) ) { |
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unset( $metaboxes[ $metabox_id ] ); |
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} |
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} |
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} |
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if ($metaboxes != $previous_metaboxes) { |
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set_transient( 'tabify_detection_' . $screen->post_type, $metaboxes, WEEK_IN_SECONDS ); |
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} |
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} |
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/** |
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* |
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* |
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* @since 0.9.0 |
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*/ |
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private function get_metaboxes( $post_type ) { |
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global $wp_meta_boxes; |
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$metaboxes = array(); |
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foreach ( $wp_meta_boxes[ $post_type ] as $context => $priorities ) { |
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foreach ( $priorities as $priority => $_metaboxes ) { |
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foreach ( $_metaboxes as $metabox ) { |
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// Metabox has been removed |
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if ( ! isset( $metabox['id'] ) ) { |
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continue; |
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} |
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$metaboxes[ $metabox['id'] ] = (object) array( |
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'title' => $metabox['title'], |
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'priority' => $priority, |
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'context' => $context |
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); |
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} |
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} |
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} |
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return $metaboxes; |
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} |
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} |
markoheijnen /
tabify-edit-screen
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