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# YUI Library Examples: Layout Manager: Layout with Menu Controls

# Layout Manager: Layout with Menu Controls

This example shows how to build a Full Page Layout and use Menu Control's inside different Layout Units.

View example in new window.

## Create the Full Page Layout

First we will create the Full Page Layout with the following HTML.

<body class=" yui-skin-sam"> <div id="top1"></div> <div id="bottom1"></div> <div id="right1"></div> <div id="left1"></div> <div id="center1"></div> </body>

Now we will create the Layout instance for this content.

Event.onDOMReady(function() { var layout = new YAHOO.widget.Layout({ units: [ { position: 'top', height: 28, body: 'top1' }, { position: 'right', header: 'Right', width: 300, resize: true, footer: 'Footer', collapse: true, scroll: true, body: 'right1', animate: true, gutter: '5' }, { position: 'bottom', height: 30, body: 'bottom1' }, { position: 'left', header: 'Left', width: 200, body: 'left1', gutter: '5' }, { position: 'center', body: 'center1', gutter: '5 0' } ] }); layout.render(); });

## Creating the Menus

To create our Menu's we will borrow the code from these examples: Website Top Nav With Submenus From JavaScript and Website Left Nav With Submenus From JavaScript

We will create 2 private functions that will create our menus: `initTopMenu` and `initLeftMenu`.

### Top Menu

var initTopMenu = function() { /* Instantiate a MenuBar: The first argument passed to the constructor is the id of the element in the page representing the MenuBar; the second is an object literal of configuration properties. */ var oMenuBar = new YAHOO.widget.MenuBar("productsandservices", { autosubmenudisplay: true, hidedelay: 750, lazyload: true, effect: { effect: YAHOO.widget.ContainerEffect.FADE, duration: 0.25 } }); /* Define an array of object literals, each containing the data necessary to create a submenu. */ var aSubmenuData = [ { id: "communication", itemdata: [ { 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", submenu: { id: "pim", itemdata: [ { 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: "Flickr Photo Sharing", url: "http://www.flickr.com" }, ] }, { id: "shopping", itemdata: [ { 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: "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" } ] }, { id: "entertainment", itemdata: [ { 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" } ] }, { id: "information", itemdata: [ { 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" } ] } ]; /* Subscribe to the "beforerender" event, adding a submenu to each of the items in the MenuBar instance. */ oMenuBar.subscribe("beforeRender", function () { if (this.getRoot() == this) { this.getItem(0).cfg.setProperty("submenu", aSubmenuData[0]); this.getItem(1).cfg.setProperty("submenu", aSubmenuData[1]); this.getItem(2).cfg.setProperty("submenu", aSubmenuData[2]); this.getItem(3).cfg.setProperty("submenu", aSubmenuData[3]); } }); /* Call the "render" method with no arguments since the markup for this MenuBar instance is already exists in the page. */ oMenuBar.render(); };

### Left Menu

var initLeftMenu = function() { /* Instantiate a Menu: The first argument passed to the constructor is the id of the element in the page representing the Menu; the second is an object literal of configuration properties. */ var oMenu = new YAHOO.widget.Menu("productsandservices2", { position: "static", hidedelay: 750, lazyload: true, effect: { effect: YAHOO.widget.ContainerEffect.FADE, duration: 0.25 } }); /* Define an array of object literals, each containing the data necessary to create a submenu. */ var aSubmenuData = [ { id: "communication2", itemdata: [ { 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", submenu: { id: "pim2", itemdata: [ { 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: "Flickr Photo Sharing", url: "http://www.flickr.com" }, ] }, { id: "shopping2", itemdata: [ { 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: "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" } ] }, { id: "entertainment2", itemdata: [ { 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" } ] }, { id: "information2", itemdata: [ { 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" } ] } ]; // Subscribe to the Menu instance's "beforeRender" event oMenu.subscribe("beforeRender", function () { if (this.getRoot() == this) { this.getItem(0).cfg.setProperty("submenu", aSubmenuData[0]); this.getItem(1).cfg.setProperty("submenu", aSubmenuData[1]); this.getItem(2).cfg.setProperty("submenu", aSubmenuData[2]); this.getItem(3).cfg.setProperty("submenu", aSubmenuData[3]); } }); /* Call the "render" method with no arguments since the markup for this Menu instance is already exists in the page. */ oMenu.render(); };

## Rendering the Menus

Now that we have the Menu Controls all set up, we will listen for the Layout's render event and render our Menu's.

Just before we call `render` on the layout, let's listen for the `render` event and call our private methods.

layout.on('render', function() { YAHOO.util.Event.onContentReady("productsandservices", initTopMenu); YAHOO.util.Event.onContentReady("productsandservices2", initLeftMenu); }); layout.render();

## Fixing the hidden Menus

Now that we have Menu's on the page, you will notice that the menu items will not escape the Layout Unit.

We can fix this by adding a few more config options to the Layout Unit's. Specifically the `scroll` and `zIndex` options.

`scroll`: The scroll property has 3 possible values: `true`, `false` and `null`. By setting the scroll property to null, the Layout Unit will not be wrapped in an element with the overflow CSS property on it. Now it will allow for items to escape the unit's body.

`zIndex`: The zIndex property will set the Layout Units wrap element to that zIndex (defaults to 0).

So in the code below, we have set `scroll` to `null` on the top and left Layout Units to allow the menus to escape the Layout Units. We have given the top Layout Unit a `zIndex` of `2` and the left Layout Unit a `zIndex` of `1`. This way the menus from the top Layout Unit will overlap the left Layout Unit. But the menu in the left Layout Unit will overlap the center Layout Unit.

{ position: 'top', height: 28, body: 'top1', scroll: null, zIndex: 2 }, { position: 'left', header: 'Left', width: 200, body: 'left1', gutter: '5', scroll: null, zIndex: 1 },

## Source for the example

(function() { var Dom = YAHOO.util.Dom, Event = YAHOO.util.Event; var initTopMenu = function() { /* Instantiate a MenuBar: The first argument passed to the constructor is the id of the element in the page representing the MenuBar; the second is an object literal of configuration properties. */ var oMenuBar = new YAHOO.widget.MenuBar("productsandservices", { autosubmenudisplay: true, hidedelay: 750, lazyload: true, effect: { effect: YAHOO.widget.ContainerEffect.FADE, duration: 0.25 } }); /* Define an array of object literals, each containing the data necessary to create a submenu. */ var aSubmenuData = [ { id: "communication", itemdata: [ { 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", submenu: { id: "pim", itemdata: [ { 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: "Flickr Photo Sharing", url: "http://www.flickr.com" }, ] }, { id: "shopping", itemdata: [ { 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: "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" } ] }, { id: "entertainment", itemdata: [ { 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" } ] }, { id: "information", itemdata: [ { 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" } ] } ]; /* Subscribe to the "beforerender" event, adding a submenu to each of the items in the MenuBar instance. */ oMenuBar.subscribe("beforeRender", function () { if (this.getRoot() == this) { this.getItem(0).cfg.setProperty("submenu", aSubmenuData[0]); this.getItem(1).cfg.setProperty("submenu", aSubmenuData[1]); this.getItem(2).cfg.setProperty("submenu", aSubmenuData[2]); this.getItem(3).cfg.setProperty("submenu", aSubmenuData[3]); } }); /* Call the "render" method with no arguments since the markup for this MenuBar instance is already exists in the page. */ oMenuBar.render(); }; var initLeftMenu = function() { /* Instantiate a Menu: The first argument passed to the constructor is the id of the element in the page representing the Menu; the second is an object literal of configuration properties. */ var oMenu = new YAHOO.widget.Menu("productsandservices2", { position: "static", hidedelay: 750, lazyload: true, effect: { effect: YAHOO.widget.ContainerEffect.FADE, duration: 0.25 } }); /* Define an array of object literals, each containing the data necessary to create a submenu. */ var aSubmenuData = [ { id: "communication2", itemdata: [ { 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", submenu: { id: "pim2", itemdata: [ { 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: "Flickr Photo Sharing", url: "http://www.flickr.com" }, ] }, { id: "shopping2", itemdata: [ { 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: "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" } ] }, { id: "entertainment2", itemdata: [ { 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" } ] }, { id: "information2", itemdata: [ { 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" } ] } ]; // Subscribe to the Menu instance's "beforeRender" event oMenu.subscribe("beforeRender", function () { if (this.getRoot() == this) { this.getItem(0).cfg.setProperty("submenu", aSubmenuData[0]); this.getItem(1).cfg.setProperty("submenu", aSubmenuData[1]); this.getItem(2).cfg.setProperty("submenu", aSubmenuData[2]); this.getItem(3).cfg.setProperty("submenu", aSubmenuData[3]); } }); /* Call the "render" method with no arguments since the markup for this Menu instance is already exists in the page. */ oMenu.render(); }; Event.onDOMReady(function() { var layout = new YAHOO.widget.Layout({ units: [ { position: 'top', height: 28, body: 'top1', scroll: null, zIndex: 2 }, { position: 'right', header: 'Right', width: 300, resize: true, footer: 'Footer', collapse: true, scroll: true, body: 'right1', animate: true, gutter: '5' }, { position: 'bottom', height: 30, body: 'bottom1' }, { position: 'left', header: 'Left', width: 200, body: 'left1', gutter: '5', scroll: null, zIndex: 1 }, { position: 'center', body: 'center1', gutter: '5 0' } ] }); layout.on('render', function() { YAHOO.util.Event.onContentReady("productsandservices", initTopMenu); YAHOO.util.Event.onContentReady("productsandservices2", initLeftMenu); }); layout.render(); }); })();

## Configuration for This Example

You can load the necessary JavaScript and CSS for this example from Yahoo's servers. Click here to load the YUI Dependency Configurator with all of this example's dependencies preconfigured.

### Layout Manager Examples:

### More Layout Manager Resources:

- User's Guide (external)
- API Documentation
- Cheat Sheet PDF (external)

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