Ticket #19173: metabox-editor-reinit.diff

wp-admin/js/editor.js

@@ -484 +484 @@
                         } );
                 }
 
+                /**
+                 * @summary Re-init editors in metaboxes.
+                 *
+                 * @since 4.8.0
+                 *
+                 * @memberof switchEditors
+                 *
+                 * @returns {void}
+                 */
+                function reinit_metabox_editors() {
+                        // We check the context.
+                        if ( ! tinymce || 'object' !== typeof tinymce ) {
+                                return;
+                        }
+                        // We get all instances of the editors.
+                        var editors = tinymce.get();
+                        // We iterate through the list of editors.
+                        $.each( editors, function( index, editor ) {
+                                // We ignore the main editor and make sure the editor is in a metabox.
+                                if ( 'content' !== editor.id && $( editor.editorContainer ).parents( '.meta-box-sortables' ).length === 1 ) {
+                                        // Check if we are displaying Quicktags or TinyMCE.
+                                        if ( ! editor.isHidden() ) {
+                                                // If tinyMCE we save (localy) the content.
+                                                editor.save();
+                                        }
+                                        // Remove the instance of the editor.
+                                        tinymce.remove( editor );
+                                        // And then re-init it.
+                                        tinymce.init( tinyMCEPreInit.mceInit[ editor.id ] );
+                                        // If we were viewing Quicktags we switch back to the tab.
+                                        if ( editor.isHidden() ) {
+                                                $( '#' + editor.id + '-html' ).click();
+                                        }
+                                }
+                        });
+                }
+
                 window.wp = window.wp || {};
                 window.wp.editor = window.wp.editor || {};
                 window.wp.editor.autop = wpautop;
                 window.wp.editor.removep = pre_wpautop;
+                window.wp.editor.reinit_metabox_editors = reinit_metabox_editors;
 
                 exports = {
                         go: switchEditor,
                         wpautop: wpautop,
                         pre_wpautop: pre_wpautop,
+                        reinit_metabox_editors: reinit_metabox_editors,
                         _wp_Autop: autop,
                         _wp_Nop: removep
                 };

wp-admin/js/postbox.js

@@ -240 +240 @@
                                         }
 
                                         postboxes.save_order(page);
+
+                                        // If DOM is reordered we re-init potential WYSIWYG editors.
+                                        if ( 'function' === typeof wp.editor.reinit_metabox_editors ) {
+                                                wp.editor.reinit_metabox_editors();
+                                        }
                                 },
                                 receive: function(e,ui) {
                                         if ( 'dashboard_browser_nag' == ui.item[0].id )