source: [view]
define("dijit/MenuBar", ["dojo", "dijit", "text!dijit/templates/MenuBar.html", "dijit/Menu"], function(dojo, dijit) {
dojo.declare("dijit.MenuBar", dijit._MenuBase, {
// summary:
// A menu bar, listing menu choices horizontally, like the "File" menu in most desktop applications
templateString: dojo.cache("dijit", "templates/MenuBar.html"),
baseClass: "dijitMenuBar",
// _isMenuBar: [protected] Boolean
// This is a MenuBar widget, not a (vertical) Menu widget.
_isMenuBar: true,
postCreate: function(){
var k = dojo.keys, l = this.isLeftToRight();
this.connectKeyNavHandlers(
l ? [k.LEFT_ARROW] : [k.RIGHT_ARROW],
l ? [k.RIGHT_ARROW] : [k.LEFT_ARROW]
);
// parameter to dijit.popup.open() about where to put popup (relative to this.domNode)
this._orient = this.isLeftToRight() ? {BL: 'TL'} : {BR: 'TR'};
},
focusChild: function(item){
// overload focusChild so that whenever the focus is moved to a new item,
// check the previous focused whether it has its popup open, if so, after
// focusing the new item, open its submenu immediately
var prev_item = this.focusedChild,
showpopup = prev_item && prev_item.popup && prev_item.popup.isShowingNow;
this.inherited(arguments);
if(showpopup && item.popup && !item.disabled){
this._openPopup(); // TODO: on down arrow, _openPopup() is called here and in onItemClick()
}