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<?php
/**
* Add support for editing attachment custom fields in the media modal.
*
* @package Meta Box
*/
/**
* The media modal class.
* Handling showing and saving custom fields in the media modal.
*/
class RWMB_Media_Modal {
/**
* List of custom fields.
*
* @var array
*/
protected $fields = array();
/**
* Initialize.
*/
public function init() {
add_action( 'init', array( $this, 'get_fields' ) );
add_filter( 'attachment_fields_to_edit', array( $this, 'add_fields' ), 11, 2 );
add_filter( 'attachment_fields_to_save', array( $this, 'save_fields' ), 11, 2 );
add_filter( 'rwmb_show', array( $this, 'is_in_normal_mode' ), 10, 2 );
}
/**
* Get list of custom fields and store in the current object for future use.
*/
public function get_fields() {
$meta_boxes = rwmb_get_registry( 'meta_box' )->all();
foreach ( $meta_boxes as $meta_box ) {
if ( $this->is_in_modal( $meta_box->meta_box ) ) {
$this->fields = array_merge( $this->fields, array_values( $meta_box->fields ) );
}
}
}
/**
* Add fields to the attachment edit popup.
*
* @param array $form_fields An array of attachment form fields.
* @param WP_Post $post The WP_Post attachment object.
*
* @return mixed
*/
public function add_fields( $form_fields, WP_Post $post ) {
foreach ( $this->fields as $field ) {
$form_field = $field;
$form_field['label'] = $field['name'];
$form_field['input'] = 'html';
// Just ignore the field 'std' because there's no way to check it.
$meta = RWMB_Field::call( $field, 'meta', $post->ID, true );
$form_field['value'] = $meta;
$field['field_name'] = 'attachments[' . $post->ID . '][' . $field['field_name'] . ']';
$form_field['html'] = RWMB_Field::call( $field, 'html', $meta );
$form_fields[ $field['id'] ] = $form_field;
}
return $form_fields;
}
/**
* Save custom fields.
*
* @param array $post An array of post data.
* @param array $attachment An array of attachment metadata.
*
* @return array
*/
public function save_fields( $post, $attachment ) {
foreach ( $this->fields as $field ) {
$key = $field['id'];
$old = RWMB_Field::call( $field, 'raw_meta', $post['ID'] );
$new = isset( $attachment[ $key ] ) ? $attachment[ $key ] : '';
// Allow field class change the value.
if ( $field['clone'] ) {
$new = RWMB_Clone::value( $new, $old, $post['ID'], $field );
} else {
$new = RWMB_Field::call( $field, 'value', $new, $old, $post['ID'] );
$new = RWMB_Field::filter( 'sanitize', $new, $field );
}
$new = RWMB_Field::filter( 'value', $new, $field, $old );
// Call defined method to save meta value, if there's no methods, call common one.
RWMB_Field::call( $field, 'save', $new, $old, $post['ID'] );
}
return $post;
}
/**
* Whether or not show the meta box when editing custom fields in the normal mode.
*
* @param bool $show Whether to show the meta box in normal editing mode.
* @param array $meta_box Meta Box parameters.
*
* @return bool
*/
public function is_in_normal_mode( $show, $meta_box ) {
$show = $show && ! $this->is_in_modal( $meta_box );
return $show;
}
/**
* Check if the meta box is for editing custom fields in the media modal.
*
* @param array $meta_box Meta Box parameters.
*
* @return bool
*/
protected function is_in_modal( $meta_box ) {
return in_array( 'attachment', $meta_box['post_types'], true ) && ! empty( $meta_box['media_modal'] );
}
}
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