"http://www.w3.org/TR/html4/strict.dtd">
Website Top Nav (with submenus built from JavaScript)
div.yui-b p {
margin:0 0 .5em 0;
color:#999;
}
div.yui-b p strong {
font-weight:bold;
color:#000;
}
div.yui-b p em {
color:#000;
}
h1 {
padding:.25em .5em;
background-color:#ccc;
}
#productsandservices {
visibility: visible;
margin:0 0 10px 0;
}
// "load" handler for the window
YAHOO.example.onWindowLoad = function(p_oEvent) {
// Hides submenus of the root Menubar instance
function hideSubmenus() {
if(oMenuBar.activeItem) {
var oSubmenu = oMenuBar.activeItem.cfg.getProperty("submenu");
if(oSubmenu) {
oSubmenu.hide();
}
}
}
// Cancels the call to "hideSubmenus"
function cancelTimer() {
if(nTimeoutId) {
window.clearTimeout(nTimeoutId);
}
}
// "mouseout" event handler for each submenu of the menubar
function onSubmenuMouseOut(p_sType, p_aArguments, p_oMenu) {
cancelTimer();
nTimeoutId = window.setTimeout(hideSubmenus, 750);
}
// "mouseover" handler for each item in the menubar
function onMenuBarItemMouseOver(p_sType, p_aArguments, p_oMenuItem) {
var oActiveItem = this.parent.activeItem;
// Hide any other submenus that might be visible
if(oActiveItem && oActiveItem != this) {
this.parent.clearActiveItem();
}
// Select and focus the current MenuItem instance
this.cfg.setProperty("selected", true);
this.focus();
// Show the submenu for this instance
var oSubmenu = this.cfg.getProperty("submenu");
if(oSubmenu) {
oSubmenu.show();
}
}
// "mouseout" handler for each item in the menubar
function onMenuBarItemMouseOut(p_sType, p_aArguments, p_oMenuItem) {
this.cfg.setProperty("selected", false);
var oSubmenu = this.cfg.getProperty("submenu");
if(oSubmenu) {
var oDOMEvent = p_aArguments[0],
oRelatedTarget = YAHOO.util.Event.getRelatedTarget(oDOMEvent);
if(
!(
oRelatedTarget == oSubmenu.element ||
this._oDom.isAncestor(oSubmenu.element, oRelatedTarget)
)
) {
oSubmenu.hide();
}
}
}
// "beforeshow" handler for each submenu of the menubar
function onMenuBeforeShow(p_sType, p_sArgs) {
// Check if the menu has any items. If not, add them
if(this.getItemGroups().length == 0) {
var aItemsData = this.itemsData,
nItems = aItemsData.length,
oItemData,
oItemConfig,
oSubmenu;
for(var i=0; i
if(oItemData) {
oItemConfig = {};
if(oItemData.url) {
oItemConfig.url = oItemData.url;
}
if(oItemData.submenuItems) {
oSubmenu = new YAHOO.widget.Menu(oItemData.submenuId);
oSubmenu.itemsData = oItemData.submenuItems;
oSubmenu.beforeShowEvent.subscribe(onMenuBeforeShow, oSubmenu, true);
oSubmenu.mouseOverEvent.subscribe(cancelTimer);
oSubmenu.mouseOutEvent.subscribe(onSubmenuMouseOut, oSubmenu, true);
oItemConfig.submenu = oSubmenu;
}
// Add the new YAHOO.widget.MenuItem instance to the Menu
this.addItem(new YAHOO.widget.MenuItem(oItemData.text, oItemConfig));
}
}
// Render the submenu into its parent MenuItem instance's element
this.render(this.parent.element);
}
}
var nTimeoutId;
/*
Use a JSON-formatted data structure to define the data for
the submenus of the menubar
*/
var oMenuData = {
"communications": [
{ text: "360", url: "http://360.yahoo.com" },
{ text: "Alerts", url: "http://alerts.yahoo.com" },
{ text: "Avatars", url: "http://avatars.yahoo.com" },
{ text: "Groups", url: "http://groups.yahoo.com " },
{ text: "Internet Access", url: "http://promo.yahoo.com/broadband" },
{ text: "PIM", submenuId: "pim", submenuItems: [
{ text: "Yahoo! Mail", url:"http://mail.yahoo.com" },
{ text: "Yahoo! Address Book", url:"http://addressbook.yahoo.com" },
{ text: "Yahoo! Calendar", url:"http://calendar.yahoo.com" },
{ text: "Yahoo! Notepad", url:"http://notepad.yahoo.com" }
]
},
{ text: "Member Directory", url: "http://members.yahoo.com" },
{ text: "Messenger", url: "http://messenger.yahoo.com" },
{ text: "Mobile", url: "http://mobile.yahoo.com" },
{ text: "Photos", url: "http://photos.yahoo.com" },
],
"shopping": [
{ text: "Auctions", url: "http://auctions.shopping.yahoo.com" },
{ text: "Autos", url: "http://autos.yahoo.com" },
{ text: "Classifieds", url: "http://classifieds.yahoo.com" },
{ text: "Flowers & Gifts", url: "http://shopping.yahoo.com/b:Flowers%20%26%20Gifts:20146735" },
{ text: "Points", url: "http://points.yahoo.com" },
{ text: "Real Estate", url: "http://realestate.yahoo.com" },
{ text: "Travel", url: "http://travel.yahoo.com" },
{ text: "Wallet", url: "http://wallet.yahoo.com" },
{ text: "Yellow Pages", url: "http://yp.yahoo.com" }
],
"entertainment": [
{ text: "Fantasy Sports", url: "http://fantasysports.yahoo.com" },
{ text: "Games", url: "http://games.yahoo.com" },
{ text: "Kids", url: "http://www.yahooligans.com" },
{ text: "Music", url: "http://music.yahoo.com" },
{ text: "Movies", url: "http://movies.yahoo.com" },
{ text: "Radio", url: "http://music.yahoo.com/launchcast" },
{ text: "Travel", url: "http://travel.yahoo.com" },
{ text: "TV", url: "http://tv.yahoo.com" }
],
"information": [
{ text: "Downloads", url: "http://downloads.yahoo.com" },
{ text: "Finance", url: "http://finance.yahoo.com" },
{ text: "Health", url: "http://health.yahoo.com" },
{ text: "Local", url: "http://local.yahoo.com" },
{ text: "Maps & Directions", url: "http://maps.yahoo.com" },
{ text: "My Yahoo!", url: "http://my.yahoo.com" },
{ text: "News", url: "http://news.yahoo.com" },
{ text: "Search", url: "http://search.yahoo.com" },
{ text: "Small Business", url: "http://smallbusiness.yahoo.com" },
{ text: "Weather", url: "http://weather.yahoo.com" }
]
};
// Initialize the root menubar
var oMenuBar = new YAHOO.widget.MenuBar("productsandservices");
// Initialize the submenus of the items in the root menubar
var oCommunications = new YAHOO.widget.Menu("communications"),
oShopping = new YAHOO.widget.Menu("shopping"),
oEntertainment = new YAHOO.widget.Menu("entertainment"),
oInformation = new YAHOO.widget.Menu("information");
/*
Add a property ("itemsData") to each submenu that
is reference to the data for its items.
This data will be used in the "beforeshow" handler to add
the items to each submenu before it is displayed.
*/
oCommunications.itemsData = oMenuData["communications"];
oShopping.itemsData = oMenuData["shopping"];
oEntertainment.itemsData = oMenuData["entertainment"];
oInformation.itemsData = oMenuData["information"];
// Assign event handlers
// Add a "mouseover" handler to the menubar
oMenuBar.mouseOverEvent.subscribe(cancelTimer);
// Add a "beforeshow" event handler to each submenu
oCommunications.beforeShowEvent.subscribe(onMenuBeforeShow, oCommunications, true);
oShopping.beforeShowEvent.subscribe(onMenuBeforeShow, oShopping, true);
oEntertainment.beforeShowEvent.subscribe(onMenuBeforeShow, oEntertainment, true);
oInformation.beforeShowEvent.subscribe(onMenuBeforeShow, oInformation, true);
// Add a "mouseover" event handler to each submenu
oCommunications.mouseOverEvent.subscribe(cancelTimer);
oShopping.mouseOverEvent.subscribe(cancelTimer);
oEntertainment.mouseOverEvent.subscribe(cancelTimer);
oInformation.mouseOverEvent.subscribe(cancelTimer);
// Add a "mouseout" event handler to each submenu
oCommunications.mouseOutEvent.subscribe(onSubmenuMouseOut, oCommunications, true);
oShopping.mouseOutEvent.subscribe(onSubmenuMouseOut, oShopping, true);
oEntertainment.mouseOutEvent.subscribe(onSubmenuMouseOut, oEntertainment, true);
oInformation.mouseOutEvent.subscribe(onSubmenuMouseOut, oInformation, true);
// Add the submenus to the items in the menubar
oMenuBar.getItem(0).cfg.setProperty("submenu", oCommunications);
oMenuBar.getItem(1).cfg.setProperty("submenu", oShopping);
oMenuBar.getItem(2).cfg.setProperty("submenu", oEntertainment);
oMenuBar.getItem(3).cfg.setProperty("submenu", oInformation);
// Add a "click" handler to the document
YAHOO.util.Event.addListener(document, "click", hideSubmenus);
/*
Add a "mouseover" and "mouseout" event handler each item
in the menubar
*/
var aMenuBarItems = oMenuBar.getItemGroups()[0],
oMenuItem,
i = aMenuBarItems.length - 1;
do {
oMenuItem = aMenuBarItems[i];
oMenuItem.mouseOverEvent.subscribe(onMenuBarItemMouseOver, oMenuItem, true);
oMenuItem.mouseOutEvent.subscribe(onMenuBarItemMouseOut, oMenuItem, true);
}
while(i--);
// Render the menubar
oMenuBar.render();
}
YAHOO.util.Event.addListener(window, "load", YAHOO.example.onWindowLoad);
Website Top Nav (with submenus built from JavaScript) [Examples Home]
NOTE: This example demonstrates how to combine a menu built from existing markup with a menu built completely from JavaScript. The root menu in the top nav is constructed using markup and enables the user to navigate to different landing pages for each product category. If JavaScript is enabled, submenus are constructed and appended to the root menu. This allows the user to skip the product landing pages and proceed directly to a given property. Alternatively, you can
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