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496 lines
15 KiB
496 lines
15 KiB
9 months ago
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<?php
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defined( 'ABSPATH' ) || die;
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/**
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* The file upload file which allows users to upload files via the default HTML <input type="file">.
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*/
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class RWMB_File_Field extends RWMB_Field {
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public static function admin_enqueue_scripts() {
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wp_enqueue_style( 'rwmb-file', RWMB_CSS_URL . 'file.css', [], RWMB_VER );
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wp_style_add_data( 'rwmb-file', 'path', RWMB_CSS_DIR . 'file.css' );
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wp_enqueue_script( 'rwmb-file', RWMB_JS_URL . 'file.js', [ 'jquery-ui-sortable' ], RWMB_VER, true );
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RWMB_Helpers_Field::localize_script_once( 'rwmb-file', 'rwmbFile', [
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// Translators: %d is the number of files in singular form.
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'maxFileUploadsSingle' => __( 'You may only upload maximum %d file', 'meta-box' ),
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// Translators: %d is the number of files in plural form.
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'maxFileUploadsPlural' => __( 'You may only upload maximum %d files', 'meta-box' ),
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] );
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}
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public static function add_actions() {
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add_action( 'post_edit_form_tag', [ __CLASS__, 'post_edit_form_tag' ] );
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add_action( 'wp_ajax_rwmb_delete_file', [ __CLASS__, 'ajax_delete_file' ] );
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}
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public static function post_edit_form_tag() {
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echo ' enctype="multipart/form-data"';
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}
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public static function ajax_delete_file() {
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$request = rwmb_request();
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$field_id = (string) $request->filter_post( 'field_id' );
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$type = str_contains( $request->filter_post( 'field_name' ), '[' ) ? 'child' : 'top';
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check_ajax_referer( "rwmb-delete-file_{$field_id}" );
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if ( 'child' === $type ) {
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$field_group = explode( '[', $request->filter_post( 'field_name' ) );
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$field_id = $field_group[0]; // This is top parent field_id.
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}
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// Make sure the file to delete is in the custom field.
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$attachment = $request->post( 'attachment_id' );
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$object_id = $request->filter_post( 'object_id' );
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$object_type = (string) $request->filter_post( 'object_type' );
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$field = rwmb_get_field_settings( $field_id, [ 'object_type' => $object_type ], $object_id );
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$field_value = self::raw_meta( $object_id, $field );
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if ( ! self::in_array_r( $attachment, $field_value ) ) {
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wp_send_json_error( __( 'Error: Invalid file', 'meta-box' ) );
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}
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// Delete the file.
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if ( is_numeric( $attachment ) ) {
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$result = wp_delete_attachment( $attachment );
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} else {
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$path = str_replace( home_url( '/' ), trailingslashit( ABSPATH ), $attachment );
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$result = unlink( $path );
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}
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if ( $result ) {
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wp_send_json_success();
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}
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wp_send_json_error( __( 'Error: Cannot delete file', 'meta-box' ) );
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}
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/**
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* Recursively search needle in haystack
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*/
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protected static function in_array_r( $needle, $haystack, $strict = false ) : bool {
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foreach ( $haystack as $item ) {
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if ( ( $strict ? $item === $needle : $item == $needle ) || ( is_array( $item ) && self::in_array_r( $needle, $item, $strict ) ) ) {
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return true;
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}
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}
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return false;
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}
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/**
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* Get field HTML.
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*
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* @param mixed $meta Meta value.
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* @param array $field Field parameters.
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*
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* @return string
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*/
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public static function html( $meta, $field ) {
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$meta = array_filter( (array) $meta );
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$i18n_more = apply_filters( 'rwmb_file_add_string', _x( '+ Add new file', 'file upload', 'meta-box' ), $field );
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$html = self::get_uploaded_files( $meta, $field );
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// Show form upload.
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$attributes = self::get_attributes( $field, $meta );
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$attributes['type'] = 'file';
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$attributes['name'] = "{$field['input_name']}[]";
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$attributes['class'] = 'rwmb-file-input';
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/*
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* Use JavaScript to toggle 'required' attribute, because:
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* - Field might already have value (uploaded files).
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* - Be able to detect when uploading multiple files.
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*/
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if ( $attributes['required'] ) {
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$attributes['data-required'] = 1;
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$attributes['required'] = false;
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}
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// Upload new files.
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$html .= sprintf(
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'<div class="rwmb-file-new"><input %s>',
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self::render_attributes( $attributes )
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);
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if ( 1 !== $field['max_file_uploads'] ) {
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$html .= sprintf(
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'<a class="rwmb-file-add" href="#"><strong>%s</strong></a>',
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$i18n_more
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);
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}
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$html .= '</div>';
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$html .= sprintf(
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'<input type="hidden" class="rwmb-file-index" name="%s" value="%s">',
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$field['index_name'],
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$field['input_name']
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);
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return $html;
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}
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/**
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* Get HTML for uploaded files.
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*
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* @param array $files List of uploaded files.
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* @param array $field Field parameters.
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* @return string
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*/
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protected static function get_uploaded_files( $files, $field ) {
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$delete_nonce = wp_create_nonce( "rwmb-delete-file_{$field['id']}" );
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$output = '';
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foreach ( (array) $files as $k => $file ) {
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// Ignore deleted files (if users accidentally deleted files or uses `force_delete` without saving post).
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if ( get_attached_file( $file ) || $field['upload_dir'] ) {
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$output .= static::file_html( $file, $k, $field );
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}
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}
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return sprintf(
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'<ul class="rwmb-files" data-field_id="%s" data-field_name="%s" data-delete_nonce="%s" data-force_delete="%s" data-max_file_uploads="%s" data-mime_type="%s">%s</ul>',
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$field['id'],
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$field['field_name'],
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$delete_nonce,
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$field['force_delete'] ? 1 : 0,
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$field['max_file_uploads'],
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$field['mime_type'],
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$output
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);
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}
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/**
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* Get HTML for uploaded file.
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*
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* @param int $file Attachment (file) ID.
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* @param int $index File index.
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* @param array $field Field data.
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* @return string
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*/
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protected static function file_html( $file, $index, $field ) {
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$i18n_delete = apply_filters( 'rwmb_file_delete_string', _x( 'Delete', 'file upload', 'meta-box' ) );
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$i18n_edit = apply_filters( 'rwmb_file_edit_string', _x( 'Edit', 'file upload', 'meta-box' ) );
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$attributes = self::get_attributes( $field, $file );
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if ( ! $file ) {
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return '';
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}
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if ( $field['upload_dir'] ) {
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$data = self::file_info_custom_dir( $file, $field );
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} else {
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$data = [
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'icon' => wp_get_attachment_image( $file, [ 48, 64 ], true ),
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'name' => basename( get_attached_file( $file ) ),
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'url' => wp_get_attachment_url( $file ),
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'title' => get_the_title( $file ),
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'edit_link' => '',
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];
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$edit_link = get_edit_post_link( $file );
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if ( $edit_link ) {
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$data['edit_link'] = sprintf( '<a href="%s" class="rwmb-file-edit" target="_blank">%s</a>', $edit_link, $i18n_edit );
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}
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}
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return sprintf(
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'<li class="rwmb-file">
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<div class="rwmb-file-icon">%s</div>
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<div class="rwmb-file-info">
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<a href="%s" target="_blank" class="rwmb-file-title">%s</a>
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<div class="rwmb-file-name">%s</div>
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<div class="rwmb-file-actions">
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%s
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<a href="#" class="rwmb-file-delete" data-attachment_id="%s">%s</a>
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</div>
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</div>
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<input type="hidden" name="%s[%s]" value="%s">
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</li>',
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$data['icon'],
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esc_url( $data['url'] ),
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esc_html( $data['title'] ),
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esc_html( $data['name'] ),
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$data['edit_link'],
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esc_attr( $file ),
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esc_html( $i18n_delete ),
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esc_attr( $attributes['name'] ),
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esc_attr( $index ),
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esc_attr( $file )
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);
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}
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protected static function file_info_custom_dir( string $file, array $field ) : array {
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$path = wp_normalize_path( trailingslashit( $field['upload_dir'] ) . basename( $file ) );
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$ext = pathinfo( $path, PATHINFO_EXTENSION );
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$icon_url = wp_mime_type_icon( wp_ext2type( $ext ) );
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$data = [
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'icon' => '<img width="48" height="64" src="' . esc_url( $icon_url ) . '" alt="">',
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'name' => basename( $path ),
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'path' => $path,
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'url' => $file,
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'title' => preg_replace( '/\.[^.]+$/', '', basename( $path ) ),
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'edit_link' => '',
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];
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return $data;
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}
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/**
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* Get meta values to save.
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*
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* @param mixed $new The submitted meta value.
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* @param mixed $old The existing meta value.
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* @param int $post_id The post ID.
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* @param array $field The field parameters.
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*
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* @return array|mixed
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*/
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public static function value( $new, $old, $post_id, $field ) {
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$input = $field['index'] ?? $field['input_name'];
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// @codingStandardsIgnoreLine
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if ( empty( $input ) || empty( $_FILES[ $input ] ) ) {
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return $new;
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}
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$new = array_filter( (array) $new );
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$count = self::transform( $input );
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for ( $i = 0; $i < $count; $i ++ ) {
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$attachment = self::handle_upload( "{$input}_{$i}", $post_id, $field );
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if ( $attachment && ! is_wp_error( $attachment ) ) {
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$new[] = $attachment;
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}
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}
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return $new;
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}
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/**
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* Get meta values to save for cloneable fields.
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*
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* @param array $new The submitted meta value.
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* @param array $old The existing meta value.
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* @param int $object_id The object ID.
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* @param array $field The field settings.
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* @param array $data_source Data source. Either $_POST or custom array. Used in group to get uploaded files.
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*
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* @return mixed
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*/
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public static function clone_value( $new, $old, $object_id, $field, $data_source = null ) {
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if ( ! $data_source ) {
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// @codingStandardsIgnoreLine
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$data_source = $_POST;
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}
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$indexes = $data_source[ "_index_{$field['id']}" ] ?? [];
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foreach ( $indexes as $key => $index ) {
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$field['index'] = $index;
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$old_value = $old[ $key ] ?? [];
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$value = $new[ $key ] ?? [];
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$value = self::value( $value, $old_value, $object_id, $field );
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$new[ $key ] = self::filter( 'sanitize', $value, $field, $old_value, $object_id );
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}
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return $new;
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}
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/**
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* Handle file upload.
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* Consider upload to Media Library or custom folder.
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*
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* @param string $file_id File ID in $_FILES when uploading.
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* @param int $post_id Post ID.
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* @param array $field Field settings.
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*
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* @return \WP_Error|int|string WP_Error if has error, attachment ID if upload in Media Library, URL to file if upload to custom folder.
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*/
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protected static function handle_upload( $file_id, $post_id, $field ) {
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return $field['upload_dir'] ? self::handle_upload_custom_dir( $file_id, $field ) : media_handle_upload( $file_id, $post_id );
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}
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/**
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* Transform $_FILES from $_FILES['field']['key']['index'] to $_FILES['field_index']['key'].
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*
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* @param string $input_name The field input name.
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*
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* @return int The number of uploaded files.
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*/
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protected static function transform( $input_name ) {
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// @codingStandardsIgnoreStart
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foreach ( $_FILES[ $input_name ] as $key => $list ) {
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foreach ( $list as $index => $value ) {
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$file_key = "{$input_name}_{$index}";
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if ( ! isset( $_FILES[ $file_key ] ) ) {
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$_FILES[ $file_key ] = [];
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}
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$_FILES[ $file_key ][ $key ] = $value;
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}
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}
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return count( $_FILES[ $input_name ]['name'] );
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// @codingStandardsIgnoreEnd
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}
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/**
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* Normalize parameters for field.
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*
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* @param array $field Field parameters.
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* @return array
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*/
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public static function normalize( $field ) {
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$field = parent::normalize( $field );
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$field = wp_parse_args( $field, [
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'std' => [],
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'force_delete' => false,
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'max_file_uploads' => 0,
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'mime_type' => '',
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'upload_dir' => '',
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'unique_filename_callback' => null,
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] );
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$field['multiple'] = true;
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$field['input_name'] = "_file_{$field['id']}";
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|
|
$field['index_name'] = "_index_{$field['id']}";
|
||
|
|
|
||
|
|
return $field;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the field value. Return meaningful info of the files.
|
||
|
|
*
|
||
|
|
* @param array $field Field parameters.
|
||
|
|
* @param array $args Not used for this field.
|
||
|
|
* @param int|null $post_id Post ID. null for current post. Optional.
|
||
|
|
*
|
||
|
|
* @return mixed Full info of uploaded files
|
||
|
|
*/
|
||
|
|
public static function get_value( $field, $args = [], $post_id = null ) {
|
||
|
|
$value = parent::get_value( $field, $args, $post_id );
|
||
|
|
if ( ! $field['clone'] ) {
|
||
|
|
$value = static::files_info( $field, $value, $args );
|
||
|
|
} else {
|
||
|
|
$return = [];
|
||
|
|
foreach ( $value as $subvalue ) {
|
||
|
|
$return[] = static::files_info( $field, $subvalue, $args );
|
||
|
|
}
|
||
|
|
$value = $return;
|
||
|
|
}
|
||
|
|
if ( isset( $args['limit'] ) ) {
|
||
|
|
$value = array_slice( $value, 0, intval( $args['limit'] ) );
|
||
|
|
}
|
||
|
|
return $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get uploaded files information.
|
||
|
|
*
|
||
|
|
* @param array $field Field parameters.
|
||
|
|
* @param array $files Files IDs.
|
||
|
|
* @param array $args Additional arguments (for image size).
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public static function files_info( $field, $files, $args ) {
|
||
|
|
$return = [];
|
||
|
|
foreach ( (array) $files as $file ) {
|
||
|
|
$info = static::file_info( $file, $args, $field );
|
||
|
|
if ( $info ) {
|
||
|
|
$return[ $file ] = $info;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $return;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get uploaded file information.
|
||
|
|
*
|
||
|
|
* @param int $file Attachment file ID (post ID). Required.
|
||
|
|
* @param array $args Array of arguments (for size).
|
||
|
|
* @param array $field Field settings.
|
||
|
|
*
|
||
|
|
* @return array|bool False if file not found. Array of (id, name, path, url) on success.
|
||
|
|
*/
|
||
|
|
public static function file_info( $file, $args = [], $field = [] ) {
|
||
|
|
if ( ! empty( $field['upload_dir'] ) ) {
|
||
|
|
return self::file_info_custom_dir( $file, $field );
|
||
|
|
}
|
||
|
|
|
||
|
|
$path = get_attached_file( $file );
|
||
|
|
if ( ! $path ) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return wp_parse_args(
|
||
|
|
[
|
||
|
|
'ID' => $file,
|
||
|
|
'name' => basename( $path ),
|
||
|
|
'path' => $path,
|
||
|
|
'url' => wp_get_attachment_url( $file ),
|
||
|
|
'title' => get_the_title( $file ),
|
||
|
|
],
|
||
|
|
wp_get_attachment_metadata( $file )
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Format a single value for the helper functions. Sub-fields should overwrite this method if necessary.
|
||
|
|
*
|
||
|
|
* @param array $field Field parameters.
|
||
|
|
* @param array $value The value.
|
||
|
|
* @param array $args Additional arguments. Rarely used. See specific fields for details.
|
||
|
|
* @param int|null $post_id Post ID. null for current post. Optional.
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public static function format_single_value( $field, $value, $args, $post_id ) {
|
||
|
|
return sprintf( '<a href="%s" target="_blank">%s</a>', esc_url( $value['url'] ), esc_html( $value['title'] ) );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Handle upload for files in custom directory.
|
||
|
|
*
|
||
|
|
* @param string $file_id File ID in $_FILES when uploading.
|
||
|
|
* @param array $field Field settings.
|
||
|
|
*
|
||
|
|
* @return string URL to uploaded file.
|
||
|
|
*/
|
||
|
|
public static function handle_upload_custom_dir( $file_id, $field ) {
|
||
|
|
// @codingStandardsIgnoreStart
|
||
|
|
if ( empty( $_FILES[ $file_id ] ) ) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
$file = $_FILES[ $file_id ];
|
||
|
|
// @codingStandardsIgnoreEnd
|
||
|
|
|
||
|
|
// Use a closure to filter upload directory. Requires PHP >= 5.3.0.
|
||
|
|
$filter_upload_dir = function( $uploads ) use ( $field ) {
|
||
|
|
$uploads['path'] = $field['upload_dir'];
|
||
|
|
$uploads['url'] = self::convert_path_to_url( $field['upload_dir'] );
|
||
|
|
$uploads['subdir'] = '';
|
||
|
|
$uploads['basedir'] = $field['upload_dir'];
|
||
|
|
|
||
|
|
return $uploads;
|
||
|
|
};
|
||
|
|
|
||
|
|
// Make sure upload dir is inside WordPress.
|
||
|
|
$upload_dir = wp_normalize_path( untrailingslashit( $field['upload_dir'] ) );
|
||
|
|
$root = wp_normalize_path( untrailingslashit( ABSPATH ) );
|
||
|
|
if ( ! str_starts_with( $upload_dir, $root ) ) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Let WordPress handle upload to the custom directory.
|
||
|
|
add_filter( 'upload_dir', $filter_upload_dir );
|
||
|
|
$overrides = [
|
||
|
|
'test_form' => false,
|
||
|
|
'unique_filename_callback' => $field['unique_filename_callback'],
|
||
|
|
];
|
||
|
|
$file_info = wp_handle_upload( $file, $overrides );
|
||
|
|
remove_filter( 'upload_dir', $filter_upload_dir );
|
||
|
|
|
||
|
|
return empty( $file_info['url'] ) ? null : $file_info['url'];
|
||
|
|
}
|
||
|
|
|
||
|
|
public static function convert_path_to_url( string $path ) : string {
|
||
|
|
$path = wp_normalize_path( untrailingslashit( $path ) );
|
||
|
|
$root = wp_normalize_path( untrailingslashit( ABSPATH ) );
|
||
|
|
$relative_path = str_replace( $root, '', $path );
|
||
|
|
|
||
|
|
return home_url( $relative_path );
|
||
|
|
}
|
||
|
|
}
|