fix ticket #239 (Ox.Menu / Ox.MainMenu: setKeyboard / setItemKeyboard options are missing)

source/Ox.UI/js/Menu/MainMenu.js

@@ -255,6 +255,12 @@ Ox.MainMenu = function(options, self) {
         return that;
     };
 
+    that.setItemKeyboard = function(id, keyboard) {
+        var item = that.getItem(id);
+        item && item.options({keyboard: keyboard});
+        return that;
+    };
+
     /*@
     setItemTitle <f> setItemTitle 
         (id, title) -> <o>  set item title

source/Ox.UI/js/Menu/Menu.js

@@ -770,6 +770,12 @@ Ox.Menu = function(options, self) {
         return that;
     };
 
+    that.setItemKeyboard = function(id, keyboard) {
+        var item = that.getItem(id);
+        item && item.options({keyboard: keyboard});
+        return that;
+    };
+
     /*@
     setItemTitle <f> setItemTitle 
         (id, title) -> <o>  set item title

source/Ox.UI/js/Menu/MenuItem.js

@@ -53,6 +53,11 @@ Ox.MenuItem = function(options, self) {
                         disabled: self.options.disabled
                     });
                 },
+                keyboard: function() {
+                    self.options.keyboard = parseKeyboard(self.options.keyboard);
+                    that.$modifiers.html(formatModifiers());
+                    that.$key.html(formatKey());
+                },
                 title: function() {
                     self.options.title = Ox.makeArray(self.options.title);
                     that.$title.html(self.options.title[0]);
@@ -116,11 +121,7 @@ Ox.MenuItem = function(options, self) {
         .append(
             that.$modifiers = Ox.$('<td>')
                 .addClass('OxCell OxModifiers')
-                .html(
+                .html(formatModifiers())
-                    self.options.keyboard.modifiers.map(function(modifier) {
-                        return Ox.UI.symbols[modifier];
-                    }).join('')
-                )
         )
         .append(
             that.$key = Ox.$('<td>')
@@ -130,11 +131,21 @@ Ox.MenuItem = function(options, self) {
                 .html(
                     self.options.items.length
                     ? Ox.UI.symbols.triangle_right
-                    : Ox.UI.symbols[self.options.keyboard.key]
+                    : formatKey()
-                        || self.options.keyboard.key.toUpperCase()
                 )
         );
 
+    function formatKey() {
+        return Ox.UI.symbols[self.options.keyboard.key]
+            || self.options.keyboard.key.toUpperCase();
+    }
+
+    function formatModifiers() {
+        return self.options.keyboard.modifiers.map(function(modifier) {
+            return Ox.UI.symbols[modifier];
+        }).join('');
+    }
+
     function parseKeyboard(str) {
         var modifiers = str.split(' '),
             key = modifiers.pop();