/wp-content/plugins/wp-pagenavi/scb/PostMetabox.php
PHP | 346 lines | 143 code | 54 blank | 149 comment | 16 complexity | 3686efed4e1d31e9390dc2f7c7acbc3d MD5 | raw file
Possible License(s): MIT
- <?php
- /**
- * Class that creates metaboxes on the post editing page.
- */
- class scbPostMetabox {
-
- /**
- * Metabox ID.
- * @var string
- */
- private $id;
-
- /**
- * Title.
- * @var string
- */
- private $title;
-
- /**
- * Post types.
- * @var array
- */
- private $post_types;
-
- /**
- * Post meta data.
- * @var array
- */
- private $post_data = array();
-
- /**
- * Action hooks.
- * @var array
- */
- protected $actions = array( 'admin_enqueue_scripts', 'post_updated_messages' );
-
- /**
- * Sets up metabox.
- *
- * @param string $id
- * @param string $title
- * @param array $args (optional)
- *
- * @return void
- */
- public function __construct( $id, $title, $args = array() ) {
- $this->id = $id;
- $this->title = $title;
-
- $args = wp_parse_args( $args, array(
- 'post_type' => 'post',
- 'context' => 'advanced',
- 'priority' => 'default',
- ) );
-
- if ( is_string( $args['post_type'] ) ) {
- $args['post_type'] = array( $args['post_type'] );
- }
-
- $this->post_types = $args['post_type'];
- $this->context = $args['context'];
- $this->priority = $args['priority'];
-
- add_action( 'load-post.php', array( $this, 'pre_register' ) );
- add_action( 'load-post-new.php', array( $this, 'pre_register' ) );
- }
-
- /**
- * Pre register the metabox.
- *
- * @return void
- */
- final public function pre_register() {
- if ( ! in_array( get_current_screen()->post_type, $this->post_types ) ) {
- return;
- }
-
- if ( ! $this->condition() ) {
- return;
- }
-
- if ( isset( $_GET['post'] ) ) {
- $this->post_data = $this->get_meta( intval( $_GET['post'] ) );
- }
-
- add_action( 'add_meta_boxes', array( $this, 'register' ) );
- add_action( 'save_post', array( $this, '_save_post' ), 10, 2 );
-
- foreach ( $this->actions as $action ) {
- if ( method_exists( $this, $action ) ) {
- add_action( $action, array( $this, $action ) );
- }
- }
- }
-
- /**
- * Additional checks before registering the metabox.
- *
- * @return bool
- */
- protected function condition() {
- return true;
- }
-
- /**
- * Registers the metabox.
- *
- * @return void
- */
- final public function register() {
- add_meta_box( $this->id, $this->title, array( $this, 'display' ), null, $this->context, $this->priority );
- }
-
- /**
- * Filter data before display.
- *
- * @param array $form_data
- * @param object $post
- *
- * @return array
- */
- public function before_display( $form_data, $post ) {
- return $form_data;
- }
-
- /**
- * Displays metabox content.
- *
- * @param object $post
- *
- * @return void
- */
- public function display( $post ) {
- $form_fields = $this->form_fields();
- if ( ! $form_fields ) {
- return;
- }
-
- $form_data = $this->post_data;
- $error_fields = array();
-
- if ( isset( $form_data['_error_data_' . $this->id ] ) ) {
- $data = maybe_unserialize( $form_data['_error_data_' . $this->id ] );
-
- $error_fields = $data['fields'];
- $form_data = $data['data'];
-
- $this->display_notices( $data['messages'], 'error' );
- }
-
- $form_data = $this->before_display( $form_data, $post );
-
- $this->before_form( $post );
- echo $this->table( $form_fields, $form_data, $error_fields );
- $this->after_form( $post );
-
- delete_post_meta( $post->ID, '_error_data_' . $this->id );
- }
-
- /**
- * Returns table.
- *
- * @param array $rows
- * @param array $formdata
- * @param array $errors (optional)
- *
- * @return string
- */
- public function table( $rows, $formdata, $errors = array() ) {
- $output = '';
- foreach ( $rows as $row ) {
- $output .= $this->table_row( $row, $formdata, $errors );
- }
-
- $output = scbForms::table_wrap( $output );
-
- return $output;
- }
-
- /**
- * Returns table row.
- *
- * @param array $row
- * @param array $formdata
- * @param array $errors (optional)
- *
- * @return string
- */
- public function table_row( $row, $formdata, $errors = array() ) {
- $input = scbForms::input( $row, $formdata );
-
- // If row has an error, highlight it
- $style = ( in_array( $row['name'], $errors ) ) ? 'style="background-color: #FFCCCC"' : '';
-
- return html( 'tr',
- html( "th $style scope='row'", $row['title'] ),
- html( "td $style", $input )
- );
- }
-
- /**
- * Displays notices.
- *
- * @param array|string $notices
- * @param string $class (optional)
- *
- * @return void
- */
- public function display_notices( $notices, $class = 'updated' ) {
- // add inline class so the notices stays in metabox
- $class .= ' inline';
-
- foreach ( (array) $notices as $notice ) {
- echo scb_admin_notice( $notice, $class );
- }
- }
-
- /**
- * Display some extra HTML before the form.
- *
- * @param object $post
- *
- * @return void
- */
- public function before_form( $post ) { }
-
- /**
- * Return an array of form fields.
- *
- * @return array
- */
- public function form_fields() {
- return array();
- }
-
- /**
- * Display some extra HTML after the form.
- *
- * @param object $post
- *
- * @return void
- */
- public function after_form( $post ) { }
-
- /**
- * Makes sure that the saving occurs only for the post being edited.
- *
- * @param int $post_id
- * @param object $post
- *
- * @return void
- */
- final public function _save_post( $post_id, $post ) {
- if ( ! isset( $_POST['action'] ) || $_POST['action'] != 'editpost' ) {
- return;
- }
-
- if ( ! isset( $_POST['post_ID'] ) || $_POST['post_ID'] != $post_id ) {
- return;
- }
-
- if ( ! in_array( $post->post_type, $this->post_types ) ) {
- return;
- }
-
- $this->save( $post->ID );
- }
-
- /**
- * Saves metabox form data.
- *
- * @param int $post_id
- *
- * @return void
- */
- protected function save( $post_id ) {
- $form_fields = $this->form_fields();
-
- $to_update = scbForms::validate_post_data( $form_fields );
-
- // Filter data
- $to_update = $this->before_save( $to_update, $post_id );
-
- // Validate dataset
- $is_valid = $this->validate_post_data( $to_update, $post_id );
- if ( $is_valid instanceof WP_Error && $is_valid->get_error_codes() ) {
-
- $error_data = array(
- 'fields' => $is_valid->get_error_codes(),
- 'messages' => $is_valid->get_error_messages(),
- 'data' => $to_update,
- );
- update_post_meta( $post_id, '_error_data_' . $this->id, $error_data );
-
- $location = add_query_arg( 'message', 1, get_edit_post_link( $post_id, 'url' ) );
- wp_redirect( esc_url_raw( apply_filters( 'redirect_post_location', $location, $post_id ) ) );
- exit;
- }
-
- foreach ( $to_update as $key => $value ) {
- update_post_meta( $post_id, $key, $value );
- }
- }
-
- /**
- * Filter data before save.
- *
- * @param array $post_data
- * @param int $post_id
- *
- * @return array
- */
- protected function before_save( $post_data, $post_id ) {
- return $post_data;
- }
-
- /**
- * Validate posted data.
- *
- * @param array $post_data
- * @param int $post_id
- *
- * @return bool|object A WP_Error object if posted data are invalid.
- */
- protected function validate_post_data( $post_data, $post_id ) {
- return false;
- }
-
- /**
- * Returns an array of post meta.
- *
- * @param int $post_id
- *
- * @return array
- */
- private function get_meta( $post_id ) {
- $meta = get_post_custom( $post_id );
- foreach ( $meta as $key => $values ) {
- $meta[ $key ] = maybe_unserialize( $meta[ $key ][0] );
- }
-
- return $meta;
- }
-
- }
-