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134 lines
4.0 KiB
134 lines
4.0 KiB
<?php
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defined( 'ABSPATH' ) || die;
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/**
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* The oEmbed field which allows users to enter oEmbed URLs.
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*/
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class RWMB_OEmbed_Field extends RWMB_Input_Field {
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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( $field, [
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'not_available_string' => __( 'Embed HTML not available.', 'meta-box' ),
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] );
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$field['attributes'] = wp_parse_args( $field['attributes'], [
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'data-not-available' => $field['not_available_string'],
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] );
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return $field;
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}
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public static function admin_enqueue_scripts() {
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wp_enqueue_style( 'rwmb-oembed', RWMB_CSS_URL . 'oembed.css', [], RWMB_VER );
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wp_style_add_data( 'rwmb-oembed', 'path', RWMB_CSS_DIR . 'oembed.css' );
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wp_enqueue_script( 'rwmb-oembed', RWMB_JS_URL . 'oembed.js', [ 'jquery', 'underscore', 'rwmb' ], RWMB_VER, true );
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wp_localize_script( 'rwmb-oembed', 'rwmbOembed', [
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'nonce' => wp_create_nonce( 'oembed_get' ),
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] );
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}
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public static function add_actions() {
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add_action( 'wp_ajax_rwmb_get_embed', [ __CLASS__, 'ajax_get_embed' ] );
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}
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public static function ajax_get_embed() {
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check_ajax_referer( 'oembed_get' );
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$request = rwmb_request();
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$url = (string) $request->filter_post( 'url', FILTER_SANITIZE_URL );
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$not_available = (string) $request->post( 'not_available' );
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wp_send_json_success( self::get_embed( $url, $not_available ) );
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}
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/**
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* Get embed html from url.
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*
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* @param string $url URL.
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* @param string $not_available Not available string displayed to users.
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* @return string
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*/
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public static function get_embed( $url, $not_available = '' ) {
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/**
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* Set arguments for getting embeded HTML.
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* Without arguments, default width will be taken from global $content_width, which can break UI in the admin.
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*
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* @link https://github.com/rilwis/meta-box/issues/801
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* @see WP_oEmbed::fetch()
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* @see WP_Embed::shortcode()
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* @see wp_embed_defaults()
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*/
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$args = [];
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if ( is_admin() ) {
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$args['width'] = 360;
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}
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// Try oembed first.
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$embed = wp_oembed_get( $url, $args );
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// If no oembed provides found, try WordPress auto embed.
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if ( ! $embed ) {
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global $wp_embed;
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$temp = $wp_embed->return_false_on_fail;
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$wp_embed->return_false_on_fail = true; // Do not fallback to make a link.
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$embed = $wp_embed->shortcode( $args, $url );
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$wp_embed->return_false_on_fail = $temp;
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}
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if ( $not_available ) {
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$not_available = '<div class="rwmb-oembed-not-available">' . wp_kses_post( $not_available ) . '</div>';
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}
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$not_available = apply_filters( 'rwmb_oembed_not_available_string', $not_available );
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return $embed ? $embed : $not_available;
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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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* @return string
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*/
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public static function html( $meta, $field ) {
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return parent::html( $meta, $field ) . sprintf(
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'<span class="spinner"></span>
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<div class="rwmb-embed-media">%s</div>',
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$meta ? self::get_embed( $meta, $field['not_available_string'] ) : ''
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);
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}
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/**
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* Get the attributes for a field.
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*
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* @param array $field Field parameters.
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* @param mixed $value Meta value.
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*
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* @return array
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*/
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public static function get_attributes( $field, $value = null ) {
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$attributes = parent::get_attributes( $field, $value );
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$attributes['type'] = 'url';
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return $attributes;
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}
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/**
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* Format a single value for the helper functions. Sub-fields should overwrite this method if necessary.
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*
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* @param array $field Field parameters.
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* @param string $value The value.
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* @param array $args Additional arguments. Rarely used. See specific fields for details.
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* @param int|null $post_id Post ID. null for current post. Optional.
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*
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* @return string
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*/
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public static function format_single_value( $field, $value, $args, $post_id ) {
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return self::get_embed( $value, $field['not_available_string'] );
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}
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}
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