Javascript Hoirzontal Menu

by: Caleb Jonasson - October 8th, 2009   Filed under: javascript, Web Development Add Comment

javascript_horizontal_menu

In order to create a proper working javascript based horizontal menu you need to have all of the necessary files. These files consist of :

/SpryAssets/SpryMenuBarHorizontal.css
/SpryAssets/SpryMenuBar.js

index.php
main.css

The first section of code is going to be the SpryMenuBarHorizontal.css

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@charset "UTF-8";
ul.MenuBarHorizontal
{
margin: 0;
padding: 0;
list-style-type: none;
font-size: 100%;
cursor: default;
width: auto;
}
ul.MenuBarActive
{
z-index: 1000;
}
ul.MenuBarHorizontal li
{
margin: 0;
padding: 0;
list-style-type: none;
font-size: 100%;
position: relative;
text-align: left;
cursor: pointer;
width: 8em;
float: left;
}
ul.MenuBarHorizontal ul
{
margin: 0;
padding: 0;
list-style-type: none;
font-size: 100%;
z-index: 1020;
cursor: default;
width: 8.2em;
position: absolute;
left: -1000em;
}
ul.MenuBarHorizontal ul.MenuBarSubmenuVisible
{
left: auto;
}
ul.MenuBarHorizontal ul li
{
width: 8.2em;
}
ul.MenuBarHorizontal ul ul
{
position: absolute;
margin: -5% 0 0 95%;
}
ul.MenuBarHorizontal ul.MenuBarSubmenuVisible ul.MenuBarSubmenuVisible
{
left: auto;
top: 0;
}
ul.MenuBarHorizontal ul
{
border: 1px solid #CCC;
}
ul.MenuBarHorizontal a
{
display: block;
cursor: pointer;
background-color: #4b4b4b;
padding: 0.2em 0.4em;
color: #ffffff;
text-decoration: none;
}
ul.MenuBarHorizontal a:hover, ul.MenuBarHorizontal a:focus
{
background-color: #4b4b4b;
color: #FFF;
}
ul.MenuBarHorizontal a.MenuBarItemHover, ul.MenuBarHorizontal a.MenuBarItemSubmenuHover, ul.MenuBarHorizontal a.MenuBarSubmenuVisible
{
background-color: #333366;
color: #ccccff;
}
ul.MenuBarHorizontal iframe
{
position: absolute;
z-index: 1010;
}
@media screen, projection
{
ul.MenuBarHorizontal li.MenuBarItemIE
{
display: inline;
f\loat: left;
background: #4b4b4b;
}
}

The second file, SpryMenuBar.js looks like this.

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    var Spry;
    if(!Spry)
    {
    Spry = {};
    }
    if(!Spry.Widget)
    {
    Spry.Widget = {};
    }
    Spry.Widget.MenuBar = function(element, opts)
    {
    this.init(element, opts);
    };
 
    Spry.Widget.MenuBar.prototype.init = function(element, opts)
    {
    this.element = this.getElement(element);
 
    this.currMenu = null;
 
    var isie = (typeof document.all != ‘undefined’ && typeof window.opera == ‘undefined’ && navigator.vendor != ‘KDE’);
    if(typeof document.getElementById == ‘undefined’ || (navigator.vendor == ‘Apple Computer, Inc.’ && typeof window.XMLHttpRequest == ‘undefined’) || (isie && typeof document.uniqueID == ‘undefined’))
    {
    return;
    }
    if(opts)
    {
    for(var k in opts)
    {
    var rollover = new Image;
    rollover.src = opts[k];
    }
    }
 
    if(this.element)
    {
    this.currMenu = this.element;
    var items = this.element.getElementsByTagName(‘li’);
    for(var i=0; i 0)
    {
    layers[0].parentNode.removeChild(layers[0]);
    }
    };
 
    Spry.Widget.MenuBar.prototype.clearMenus = function(root)
    {
    var menus = root.getElementsByTagName(‘ul’);
    for(var i=0; i 0 ? submenus[0] : null);
 
    var hasSubMenu = false;
    if(menu)
    {
    this.addClassName(link, “MenuBarItemSubmenu”);
    hasSubMenu = true;
    }
 
    if(!isie)
    {
 
    listitem.contains = function(testNode)
    {
    if(testNode == null)
    {
    return false;
    }
    if(testNode == this)
    {
    return true;
    }
    else
    {
    return this.contains(testNode.parentNode);
    }
    };
    }
 
    var self = this;
 
    this.addEventListener(listitem, ‘mouseover’, function(e)
    {
    if(self.bubbledTextEvent())
    {
 
    return;
    }
    clearTimeout(closetime);
    if(self.currMenu == listitem)
    {
    self.currMenu = null;
    }
 
    self.addClassName(link, hasSubMenu ? “MenuBarItemSubmenuHover” : “MenuBarItemHover”);
    if(menu && !self.hasClassName(menu, “MenuBarSubmenuVisible”))
    {
    opentime = window.setTimeout(function(){self.showSubmenu(menu);}, 250);
    }
    }, false);
 
    this.addEventListener(listitem, ‘mouseout’, function(e)
    {
    if(self.bubbledTextEvent())
    {
 
    return;
    }
 
    var related = (typeof e.relatedTarget != ‘undefined’ ? e.relatedTarget : e.toElement);
    if(!listitem.contains(related))
    {
    clearTimeout(opentime);
    self.currMenu = listitem;
 
    self.removeClassName(link, hasSubMenu ? “MenuBarItemSubmenuHover” : “MenuBarItemHover”);
    if(menu)
    {
    closetime = window.setTimeout(function(){self.hideSubmenu(menu);}, 600);
    }
    }
    }, false);
    };

Now you need your index.php. This is where the menu content will be.

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<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”>
<html xmlns=”http://www.w3.org/1999/xhtml”>
<head>
<meta http-equiv=”Content-Type” content=”text/html; charset=utf-8″ />
<title>Untitled Document</title>
<link href=”main.css” rel=”stylesheet” type=”text/css” />
<script src=”SpryAssets/SpryMenuBar.js” type=”text/javascript”></script>
<link href=”SpryAssets/SpryMenuBarHorizontal.css” rel=”stylesheet” type=”text/css” />
</head>
 
<body>
 
<div id=”container”>
<div id=”header”>
<h1>Header</h1>
 
<ul id=”MenuBar1″>
<li>
<div align=”center”><a href=”#”>simple</a></div>
</li>
<li>
<div align=”center”><a href=”#”>Smart</a></div>
</li>
<li>
<div align=”center”><a href=”#”>Tutorials</a>
<ul>
<li><a href=”#”>Photoshop</a></li>
<li><a href=”#”>Illustrator</a></li>
<li><a href=”#”>Flash</a></li>
<li><a href=”#”>Dreamweaver</a></li>
</ul>
</div>
</li>
</ul>
<!– end #header –></div>
<div id=”mainContent”>
<h1> Main Content </h1>
<!– end #mainContent –></div>
<div id=”footer”>
<p>Footer</p>
<!– end #footer –></div>
<!– end #container –></div>
<script type=”text/javascript”>
<!–
var MenuBar1 = new Spry.Widget.MenuBar(“MenuBar1″);
//–>
</script>
</body>
</html>

The last file that we need is the main.css file.

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@charset "utf-8";
body {
font: 100% Verdana, Arial, Helvetica, sans-serif;
background: #666666;
margin: 0;
padding: 0;
text-align: center;
color: #000000;
}
.oneColElsCtrHdr #container {
width: 46em;
background: #FFFFFF;
margin: 0 auto;
border: 1px solid #000000;
text-align: left;
}
.oneColElsCtrHdr #header {
background: #4b4b4b;
color: #ffffff;
padding: 0 10px 0 20px;
}
.oneColElsCtrHdr #header h1 {
margin: 0;
padding: 10px 0;
}
.oneColElsCtrHdr #mainContent {
padding: 0 20px;
background: #FFFFFF;
margin-top: 50px;
}
.oneColElsCtrHdr #footer {
padding: 0 10px;
background:#DDDDDD;
}
.oneColElsCtrHdr #footer p {
margin: 0;
padding: 10px 0;
}

Try it out by clicking here.

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