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/*
* jQuery UI menubar
*
* backported from Michael Lang's fork: http://www.nexul.com/prototypes/toolbar/demo.html
*/
(function($) {
// TODO take non-menubar buttons into account
$.widget("ui.menubar", {
_create: function() {
var self = this;
var items = this.element.children("button, a");
this.element.addClass('ui-menubar ui-widget-header ui-helper-clearfix');
items.next("ul").each(function(i, elm) {
$(elm).menu({
select: function(event, ui) {
ui.item.parents("ul:last").hide()
self.options.select.apply(this, arguments);
}
}).hide().keydown(function(event) {
var menu = $(this);
if (menu.is(":hidden"))
return;
event.stopPropagation();
switch (event.keyCode) {
case $.ui.keyCode.LEFT:
self.left(event);
event.preventDefault();
break;
case $.ui.keyCode.RIGHT:
self.right(event);
event.preventDefault();
break;
case $.ui.keyCode.TAB:
self[ event.shiftKey ? "left" : "right" ]( event );
event.preventDefault();
break;
};
});
});
items.each(function() {
var input = $(this),
menu = input.next("ul");
input.bind("click focus mouseenter", function(event) {
if (menu.length && (!/^mouse/.test(event.type) || self.active && self.active.is(":visible") )) {
self._open(event, menu);
}
event.preventDefault();
event.stopPropagation();
}).button({
icons: {
secondary: menu.length ? 'ui-icon-triangle-1-s' : ''
}
});
});
$(document).click(function() {
!$(event.target).closest(".ui-menubar").length && items.next("ul").hide();
});
},
_open: function(event, menu) {
this.active && this.active.menu("closeAll").hide();
this.active = menu.show().position({
my: "left top",
at: "left bottom",
offset: "0 -1",
of: menu.prev()
}).focus();
},
left: function(event) {
var prev = this.active.prevAll( ".ui-menu" ).eq( 0 );
if (prev.length) {
this._open(event, prev);
} else {
this._open(event, this.element.children(".ui-menu:last"));
}
},
right: function(event) {
var next = this.active.nextAll( ".ui-menu" ).eq( 0 );
if (next.length) {
this._open(event, next);
} else {
this._open(event, this.element.children(".ui-menu:first"));
}
}
});
}(jQuery));
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