Ticket #3557: 3557_2.patch

_source/lang/en.js

@@ -92 +92 @@
                 advancedTab             : 'Advanced',
                 validateNumberFailed    : 'This value is not a number.',
                 confirmNewPage  : 'Any unsaved changes to this content will be lost. Are you sure you want to load new page?',
-                confirmCancel   : 'Some of the options have been changed. Are you sure to close the dialog?'
+                confirmCancel   : 'Some of the options have been changed. Are you sure to close the dialog?',
+
+                // Put the voice-only part of the label in the span.
+                unavailable             : '%1<span class="cke_accessibility">, unavailable</span>'
         },
 
         // Special char dialog.

_source/plugins/menu/plugin.js

@@ -276 +276 @@
                                 state == CKEDITOR.TRISTATE_DISABLED ? 'disabled' :
                                 'off' );
 
+                        var htmlLabel = this.label;
+                        if ( state == CKEDITOR.TRISTATE_DISABLED )
+                                htmlLabel = this.editor.lang.common.unavailable.replace( '%1', htmlLabel );
+
                         if ( this.className )
                                 classes += ' ' + this.className;
 
@@ -325 +329 @@
                         }
 
                         output.push(
-                                                        this.label,
+                                                        htmlLabel,
                                                 '</span>' +
                                 '</a>' +
                                 '</span>' );

_source/plugins/button/plugin.js

@@ -70 +70 @@
                 var env = CKEDITOR.env;
 
                 var id = this._.id = 'cke_' + CKEDITOR.tools.getNextNumber();
+                this._.editor = editor;
 
                 var instance =
                 {
@@ -183 +184 @@
                 if ( this._.state == state )
                         return;
 
-                CKEDITOR.document.getById( this._.id ).setState( state );
+                var element = CKEDITOR.document.getById( this._.id );
+                element.setState( state );
 
+                var htmlTitle = this.title,
+                        unavailable = this._.editor.lang.common.unavailable,
+                        labelElement = element.getChild( 1 );
+
+                if ( state == CKEDITOR.TRISTATE_DISABLED )
+                        htmlTitle = unavailable.replace( '%1', this.title );
+
+                labelElement.setHtml( htmlTitle );
+
                 this._.state = state;
         }
 };