TinyMCE: respect the Disable the visual editor when writing user setting and don't output the TinyMCE components when using wp_enqueue_editor().

Merges [40991] onto 4.8 branch.
Props azaozz.
Fixes #40960 for 4.8.1.

Built from https://develop.svn.wordpress.org/branches/4.8@41067


git-svn-id: http://core.svn.wordpress.org/branches/4.8@40919 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/js/widgets/text-widgets.js

@@ -181,6 +181,15 @@ wp.textWidgets = ( function( $ ) {
 					return;
 				}
 
+				// The user has disabled TinyMCE.
+				if ( typeof window.tinymce === 'undefined' ) {
+					wp.editor.initialize( id, {
+						quicktags: true
+					});
+
+					return;
+				}
+
 				// Destroy any existing editor so that it can be re-initialized after a widget-updated event.
 				if ( tinymce.get( id ) ) {
 					restoreTextMode = tinymce.get( id ).isHidden();

wp-includes/class-wp-editor.php

@@ -819,6 +819,9 @@ final class _WP_Editors {
 	 *
 	 */
 	public static function print_default_editor_scripts() {
+		$user_can_richedit = user_can_richedit();
+
+		if ( $user_can_richedit ) {
 			$settings = self::default_settings();
 
 			$settings['toolbar1'] = 'bold,italic,bullist,numlist,link';
@@ -830,14 +833,14 @@ final class _WP_Editors {
 				$settings['directionality'] = 'rtl';
 			}
 
-		// In production all plugins are loaded (they are in wp-editor.js.gz)
+			// In production all plugins are loaded (they are in wp-editor.js.gz).
-		// but only these will be initialized by default.
+			// The 'wpview', 'wpdialogs', and 'media' TinyMCE plugins are not initialized by default.
+			// Can be added from js by using the 'wp-before-tinymce-init' event.
 			$settings['plugins'] = implode( ',', array(
 				'charmap',
 				'colorpicker',
 				'hr',
 				'lists',
-	//		'media',
 				'paste',
 				'tabfocus',
 				'textcolor',
@@ -848,15 +851,13 @@ final class _WP_Editors {
 				'wpemoji',
 				'wpgallery',
 				'wplink',
-	//		'wpdialogs',
 				'wptextpattern',
-	//		'wpview',
 			) );
 
 			$settings = self::_parse_init( $settings );
-
+		} else {
-		$suffix = SCRIPT_DEBUG ? '' : '.min';
+			$settings = '{}';
-		$baseurl = self::get_baseurl();
+		}
 
 		?>
 		<script type="text/javascript">
@@ -871,6 +872,13 @@ final class _WP_Editors {
 			};
 		};
 
+		<?php
+
+		if ( $user_can_richedit ) {
+			$suffix = SCRIPT_DEBUG ? '' : '.min';
+			$baseurl = self::get_baseurl();
+
+			?>
 			var tinyMCEPreInit = {
 				baseURL: "<?php echo $baseurl; ?>",
 				suffix: "<?php echo $suffix; ?>",
@@ -878,10 +886,15 @@ final class _WP_Editors {
 				qtInit: {},
 				load_ext: function(url,lang){var sl=tinymce.ScriptLoader;sl.markDone(url+'/langs/'+lang+'.js');sl.markDone(url+'/langs/'+lang+'_dlg.js');}
 			};
+			<?php
+		}
+		?>
 		</script>
 		<?php
 
+		if ( $user_can_richedit ) {
 			self::print_tinymce_scripts();
+		}
 
 		/**
 		 * Fires when the editor scripts are loaded for later initialization,