RTL for TinyMCE:

- Add _dir: 'rtl' to the TinyMCE translation object.
- Fix editor.css for RTL.
- Fix the Edit and Delete buttons position for wpview and images.
- For _mce_set_direction(), update documentation and fix adding the 'ltr' button.
Fixes #27773

git-svn-id: https://develop.svn.wordpress.org/trunk@28094 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/js/tinymce/plugins/wordpress/plugin.js

@@ -279,6 +279,7 @@ tinymce.PluginManager.add( 'wordpress', function( editor ) {
 
 		if ( editor.getParam( 'directionality' ) === 'rtl' ) {
 			bodyClass.push('rtl');
+			dom.setAttrib( doc.documentElement, 'dir', 'rtl' );
 		}
 
 		if ( env.ie ) {

src/wp-includes/js/tinymce/plugins/wpeditimage/plugin.js

@@ -403,7 +403,7 @@ tinymce.PluginManager.add( 'wpeditimage', function( editor ) {
 	}
 
 	function addToolbar( node ) {
-		var rectangle, toolbarHtml, toolbar, toolbarSize,
+		var rectangle, toolbarHtml, toolbar, left,
 			dom = editor.dom;
 
 		removeToolbar();
@@ -425,12 +425,16 @@ tinymce.PluginManager.add( 'wpeditimage', function( editor ) {
 			'contenteditable': false
 		}, toolbarHtml );
 
-		editor.getBody().appendChild( toolbar );
-		toolbarSize = dom.getSize( toolbar );
+		if ( editor.rtl ) {
+			left = rectangle.x + rectangle.w - 82;
+		} else {
+			left = rectangle.x;
+		}
 
+		editor.getBody().appendChild( toolbar );
 		dom.setStyles( toolbar, {
 			top: rectangle.y,
-			left: rectangle.x
+			left: left
 		});
 
 		toolbarActive = true;