Ticket #21776: 21776.3.diff

wp-admin/includes/ajax-actions.php

@@ -1693 +1693 @@
         wp_die( 0 );
 }
 
+function wp_ajax_preview_post_thumbnail() {
+        $post_id = intval( $_POST['post_id'] );
+        if ( ! current_user_can( 'edit_post', $post_id ) )
+                wp_send_json_error();
+
+        check_ajax_referer( 'preview_post_thumbnail-' . $post_id );
+
+        $thumbnail_id = intval( $_POST['thumbnail_id'] );
+        wp_send_json_success( _wp_post_thumbnail_html( $thumbnail_id, $post_id ) );
+}
+
 function wp_ajax_date_format() {
         wp_die( date_i18n( sanitize_option( 'date_format', $_POST['date'] ) ) );
 }

wp-admin/includes/post.php

@@ -1120 +1120 @@
         $post = get_post( $post );
 
         $upload_iframe_src = esc_url( get_upload_iframe_src('image', $post->ID ) );
-        $set_thumbnail_link = '<p class="hide-if-no-js"><a title="' . esc_attr__( 'Set featured image' ) . '" href="%s" id="set-post-thumbnail" class="thickbox">%s</a></p>';
-        $content = sprintf( $set_thumbnail_link, $upload_iframe_src, esc_html__( 'Set featured image' ) );
+        $set_thumbnail_link = '<a class="choose button-secondary thickbox" href="%s">%s</a>';
+        $content = sprintf( $set_thumbnail_link, $upload_iframe_src, __( 'Choose a Featured Image' ) );
 
         if ( $thumbnail_id && get_post( $thumbnail_id ) ) {
                 $old_content_width = $content_width;
@@ -1131 +1131 @@
                 else
                         $thumbnail_html = wp_get_attachment_image( $thumbnail_id, 'post-thumbnail' );
                 if ( !empty( $thumbnail_html ) ) {
-                        $ajax_nonce = wp_create_nonce( 'set_post_thumbnail-' . $post->ID );
                         $content = sprintf( $set_thumbnail_link, $upload_iframe_src, $thumbnail_html );
-                        $content .= '<p class="hide-if-no-js"><a href="#" id="remove-post-thumbnail" onclick="WPRemoveThumbnail(\'' . $ajax_nonce . '\');return false;">' . esc_html__( 'Remove featured image' ) . '</a></p>';
+                        $content .= '<a href="#" class="remove">' . esc_html__( 'Remove featured image' ) . '</a>';
                 }
                 $content_width = $old_content_width;
         }

wp-admin/includes/meta-boxes.php

@@ -1001 +1001 @@
  * @since 2.9.0
  */
 function post_thumbnail_meta_box( $post ) {
-        global $_wp_additional_image_sizes;
-
         ?><script type="text/javascript">
         jQuery( function($) {
                 var $element     = $('#select-featured-image'),
@@ -1101 +1099 @@
         </script>
 
         <?php
-        $thumbnail_id   = get_post_meta( $post->ID, '_thumbnail_id', true );
-        $thumbnail_size = isset( $_wp_additional_image_sizes['post-thumbnail'] ) ? 'post-thumbnail' : 'medium';
-        $thumbnail_html = wp_get_attachment_image( $thumbnail_id, $thumbnail_size );
-
-        $classes = empty( $thumbnail_id ) ? '' : 'has-featured-image';
-
-        ?><div id="select-featured-image"
-                class="<?php echo esc_attr( $classes ); ?>"
-                data-post-id="<?php echo esc_attr( $post->ID ); ?>">
-                <?php echo $thumbnail_html; ?>
-                <input type="hidden" name="thumbnail_id" value="<?php echo esc_attr( $thumbnail_id ); ?>" />
-                <a href="#" class="choose button-secondary"><?php _e( 'Choose a Featured Image' ); ?></a>
-                <a href="#" class="remove"><?php _e( 'Remove Featured Image' ); ?></a>
-        </div>
-        <?php
+        $thumbnail_id = get_post_meta( $post->ID, '_thumbnail_id', true );
+        echo _wp_post_thumbnail_html( $thumbnail_id, $post->ID );
 }
+ No newline at end of file

wp-admin/admin-ajax.php

@@ -56 +56 @@
         'save-widget', 'set-post-thumbnail', 'date_format', 'time_format', 'wp-fullscreen-save-post',
         'wp-remove-post-lock', 'dismiss-wp-pointer', 'upload-attachment', 'get-attachment',
         'query-attachments', 'save-attachment', 'save-attachment-compat', 'send-link-to-editor',
-        'send-attachment-to-editor',
+        'send-attachment-to-editor', 'preview-post-thumbnail',
 );
 
 // Register core Ajax calls.