Ticket #10928: remove_thumbnail.diff

admin-ajax.php

@@ -1395 +1395 @@
         if ( !current_user_can( 'edit_post', $post_id ) )
                 die( '-1' );
         $thumbnail_id = intval( $_POST['thumbnail_id'] );
+
+        if ( $thumbnail_id < 0 ) {
+                delete_post_meta( $post_id, '_thumbnail_id' );
+                die( _wp_post_thumbnail_html() );
+        }
+
         if ( $thumbnail_id && get_post( $thumbnail_id ) ) {
                 $thumbnail_html = wp_get_attachment_image( $thumbnail_id, 'thumbnail' );
                 if ( !empty( $thumbnail_html ) ) {

includes/media.php

@@ -115 +115 @@
 }
 
 function _wp_post_thumbnail_html( $thumbnail_id = NULL ) {
+        global $post;
+
+        $content = '<p class="hide-if-no-js"><a href="#" id="set-post-thumbnail" onclick="jQuery(\'#add_image\').click();return false;">' . esc_html__( 'Set thumbnail' ) . '</a></p>';
+
         if ( $thumbnail_id && get_post( $thumbnail_id ) ) {
                 $thumbnail_html = wp_get_attachment_image($thumbnail_id, array( 266, 266 ) );
-                if ( !empty( $thumbnail_html ) )
-                        return apply_filters( 'admin_post_thumbnail_html', '<a href="#" id="cws-post-thumbnail" onclick="jQuery(\'#add_image\').click();return false;">' . $thumbnail_html . '</a>' );
+                if ( !empty( $thumbnail_html ) ) {
+                        $content = '<a href="#" id="set-post-thumbnail" onclick="jQuery(\'#add_image\').click();return false;">' . $thumbnail_html . '</a>';
+                        $content .= '<p class="hide-if-no-js"><a href="#" id="remove-post-thumbnail" onclick="WPRemoveThumbnail(' . $post->ID .');return false;">' . esc_html__( 'Remove thumbnail' ) . '</a></p>';
+                }
         }
-        return apply_filters( 'admin_post_thumbnail_html', '<a href="#" id="cws-post-thumbnail" onclick="jQuery(\'#add_image\').click();return false;">' . esc_html__( 'Set thumbnail' ) . '</a>' );
+
+        return apply_filters( 'admin_post_thumbnail_html', $content );
 }
 
 function post_thumbnail_meta_box() {

js/set-post-thumbnail-handler.dev.js

@@ -1 +1 @@
 function WPSetThumbnailHTML(html){
         jQuery('#postthumbnaildiv .inside').html(html);
 }
+
 function WPSetThumbnailID(id){
         if ( jQuery('input[value=_thumbnail_id]').size() > 0 ) {
                 jQuery('#meta\\[' + jQuery('input[value=_thumbnail_id]').attr('id').match(/[0-9]+/) + '\\]\\[value\\]' ).text(id);
         }
-}
- No newline at end of file
+}
+
+function WPRemoveThumbnail(post_id){
+        jQuery.post(ajaxurl, {
+                action:"set-post-thumbnail", post_id: post_id, thumbnail_id: -1, cookie: encodeURIComponent(document.cookie)
+        }, function(str){
+                if ( str == '0' ) {
+                        alert( setPostThumbnailL10n.error );
+                } else {
+                        WPSetThumbnailHTML(str);
+                }
+        }
+        );
+}

js/set-post-thumbnail-handler.js

@@ -1 @@
-function WPSetThumbnailHTML(html){jQuery("#postthumbnaildiv .inside").html(html)}function WPSetThumbnailID(id){if(jQuery("input[value=_thumbnail_id]").size()>0){jQuery("#meta\\["+jQuery("input[value=_thumbnail_id]").attr("id").match(/[0-9]+/)+"\\]\\[value\\]").text(id)}};
- No newline at end of file
+function WPSetThumbnailHTML(html){jQuery("#postthumbnaildiv .inside").html(html)}function WPSetThumbnailID(id){if(jQuery("input[value=_thumbnail_id]").size()>0){jQuery("#meta\\["+jQuery("input[value=_thumbnail_id]").attr("id").match(/[0-9]+/)+"\\]\\[value\\]").text(id)}}function WPRemoveThumbnail(post_id){jQuery.post(ajaxurl,{action:"set-post-thumbnail",post_id:post_id,thumbnail_id:-1,cookie:encodeURIComponent(document.cookie)},function(str){if(str=="0"){alert(setPostThumbnailL10n.error)}else{WPSetThumbnailHTML(str)}})};
+ No newline at end of file