Fixed Width Menu Button
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>Fixed Width Menu Button</title>
<style type="text/css">
/*margin and padding on body element
can introduce errors in determining
element position and are not recommended;
we turn them off as a foundation for YUI
CSS treatments. */
body {
margin:0;
padding:0;
}
</style>
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/fonts/fonts-min.css" />
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/menu/assets/skins/sam/menu.css" />
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/button/assets/skins/sam/button.css" />
<script type="text/javascript" src="yui_2.7.0b-lib/yahoo-dom-event/yahoo-dom-event.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/container/container_core-min.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/menu/menu-min.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/element/element-min.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/button/button-min.js"></script>
<!--begin custom header content for this example-->
<style type="text/css">
/*
Set the "zoom" property to "normal" since it is set to "1" by the
".example-container .bd" rule in yui.css and this causes a Menu
instance's width to expand to 100% of the browser viewport.
*/
div.yuimenu .bd {
zoom: normal;
}
#categorybutton button {
/*
Suppress the focus outline since Safari will outline even the
text that is clipped by the application of the "overflow" property
in the follow style rule.
*/
outline: none;
}
#categorybutton button em {
font-style: normal;
display: block;
text-align: left;
white-space: nowrap;
/* Restrict the width of the label to 10em. */
width: 10em;
/* Hide the overflow if the text label exceeds 10em in width. */
overflow: hidden;
/*
IE, Safari and Opera support the ability to add ellipsis when the text
label exceeds 10em in width.
*/
text-overflow: ellipsis;
-o-text-overflow: ellipsis;
}
</style>
<!--end custom header content for this example-->
</head>
<body class=" yui-skin-sam">
<h1>Fixed Width Menu Button</h1>
<div class="exampleIntro">
<p>
This example demonstrates how to create a Menu Button whose text label has a
fixed width. The behavior of this widget is similar to an HTML
<code><select></code> element in that its label hides any overflow
when updated to represent the selected menu item.
</p>
</div>
<!--BEGIN SOURCE CODE FOR EXAMPLE -->
<script type="text/javascript">
YAHOO.util.Event.onAvailable("buttoncontainer", function () {
// Create an array of name and value pairs that serve as the data
// source for the Button instance's menu.
var aCategories = [
{ text: "Category 1", value: "one" },
{ text: "Category 2", value: "two" },
{ text: "Category 3", value: "three" },
{ text: "A Really, Really Long Category 4", value: "four" }
];
// Create a Button instance, wrapping the text label in an <EM>
// tag that will be given a fixed width of 10em.
var oButton = new YAHOO.widget.Button({
type: "menu",
id:"categorybutton",
label: "<em>Select a Category</em>",
menu: aCategories,
container: "buttoncontainer" });
// "selectedMenuItemChange" event handler for a Button that will set
// the Button's "label" attribute to the value of the "text"
// configuration property of the MenuItem that was clicked.
var onSelectedMenuItemChange = function (event) {
var oMenuItem = event.newValue;
this.set("label", ("<em class=\"yui-button-label\">" +
oMenuItem.cfg.getProperty("text") + "</em>"));
};
// Register a "selectedMenuItemChange" event handler that will sync the
// Button's "label" attribute to the MenuItem that was clicked.
oButton.on("selectedMenuItemChange", onSelectedMenuItemChange);
});
</script>
<div id="buttoncontainer"></div>
<!--END SOURCE CODE FOR EXAMPLE -->
</body>
</html>
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