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<?php defined( 'ABSPATH' ) OR die( 'This script cannot be accessed directly.' );
if ( ! function_exists( 'us_post_meta_boxes_setup' ) ) {
add_action( 'load-post.php', 'us_post_meta_boxes_setup' );
add_action( 'load-post-new.php', 'us_post_meta_boxes_setup' );
function us_post_meta_boxes_setup() {
$config = us_config( 'meta-boxes', array() );
foreach ( $config as &$meta_box ) {
new US_Meta_Box( $meta_box );
}
}
}
if ( has_filter( 'us_tr_default_language' ) AND ! function_exists( 'us_admin_body_class_non_default_lang' ) ) {
/**
* Add 'us_lang_non_default' class to body element on non-default language admin pages
* to disable some of metaboxes
*/
function us_admin_body_class_non_default_lang( $class ) {
$current_language = apply_filters( 'us_tr_current_language', NULL );
$default_language = apply_filters( 'us_tr_default_language', NULL );
if ( $current_language != $default_language ) {
$class .= ' us_lang_non_default';
}
return $class;
}
add_filter( 'admin_body_class', 'us_admin_body_class_non_default_lang' );
}
class US_Meta_Box {
public $meta_box;
public function __construct( $meta_box ) {
if ( ! is_admin() ) {
return;
}
$this->meta_box = $meta_box;
// Add meta box
add_action( 'add_meta_boxes', array( $this, 'add_meta_boxes' ) );
// Save meta box
foreach ( $this->meta_box['post_types'] as $post_type ) {
add_action( 'save_post_' . $post_type, array( $this, 'save_meta_boxes' ) );
}
}
public function add_meta_boxes() {
foreach ( $this->meta_box['post_types'] as $post_type ) {
$callback_args = NULL;
add_meta_box(
$this->meta_box['id'], $this->meta_box['title'], array(
$this,
'meta_box_body',
), $post_type, $this->meta_box['context'], $this->meta_box['priority'], $callback_args
);
}
}
public function meta_box_body() {
echo '<div class="usof-container for_meta">';
global $us_metabox_marker_placed;
if ( empty( $us_metabox_marker_placed ) ) {
echo '<input type="hidden" name="us_metabox_save" value="1">';
$us_metabox_marker_placed = TRUE;
}
$post = get_post();
$post_id = isset( $post->ID ) ? $post->ID : 0;
$values = array();
// Output "Used in" locations for Page Blocks metabox
if ( 'us_post_info' == $this->meta_box['id'] ) {
$this->meta_box['fields']['used_in_locations']['description'] = us_get_used_in_locations( $post->ID, TRUE );
}
foreach ( $this->meta_box['fields'] as $field_id => $field ) {
if ( $post_id ) {
if ( metadata_exists( 'post', $post_id, $field_id ) ) {
$values[ $field_id ] = get_post_meta( $post_id, $field_id, TRUE );
} elseif ( isset( $field['std'] ) ) {
$values[ $field_id ] = $field['std'];
} else {
$values[ $field_id ] = '';
}
if ( $field['type'] == 'link' ) {
$values[ $field_id ] = json_decode( $values[ $field_id ], TRUE );
}
}
if ( isset( $field['options'] ) AND ( ! in_array( $field['type'], array( 'checkboxes' ) ) ) AND ( ! in_array( $values[ $field_id ], array_keys( $field['options'] ) ) ) ) {
$values[ $field_id ] = ( isset( $field['std'] ) ) ? $field['std'] : '';
}
}
foreach ( $this->meta_box['fields'] as $field_id => $field ) {
us_load_template(
'usof/templates/field', array(
'name' => $field_id,
'id' => 'usof_' . $field_id,
'field' => $field,
'values' => &$values,
'is_metabox' => TRUE,
)
);
}
echo '</div>';
}
public function save_meta_boxes( $post_id ) {
if ( ! ( isset( $_POST['us_metabox_save'] ) AND $_POST['us_metabox_save'] == 1 ) ) {
return;
}
foreach ( $this->meta_box['fields'] as $field_id => $field ) {
if ( $field['type'] == 'heading' ) {
continue;
}
// Don't save field's value if it is not placed on a post edit page
if ( isset( $field['place_if'] ) AND ! $field['place_if'] ) {
continue;
}
$new_value = isset( $_POST[ $field_id ] ) ? $_POST[ $field_id ] : NULL;
update_post_meta( $post_id, $field_id, $new_value );
}
}
}