Chaining Animations Using onComplete
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* Douglas Crockford's JSON parsing and stringifying methods: In the JSON Utility, Douglas Crockford's JSON parsing and stringifying methods are adapted from work published at JSON.org. The adapted work is in the public domain.
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<html>
<head>
<title>Chaining Animations Using <code>onComplete</code></title>
<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/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/animation/animation-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>
<style type="text/css">
#animator {
background-color:#003366;
color:#fff;
height:15em;
width: 15em;
position:relative;
margin:1em;
padding:1em;
}
</style>
</head>
<body class=" yui-skin-sam">
<span id="startAnim" class="yui-button yui-link-button">
<em class="first-child">
<a href="#" title="Click here to begin the chained animations.">Click here to begin the chained animations.</a>
</em>
</span>
<!--The animated element.-->
<div id="animator">
This element will animate position
and then color when you click the
button.
</div>
<script language="javascript">
//Setup the example once the animator div is present
//in the DOM.
YAHOO.util.Event.onAvailable("animator", function() {
//This is the first animation; this one will
//fire when the button is clicked.
var move = new YAHOO.util.Anim("animator", {
left: {from:0, to:75}
}, 1);
//This is the second animation; it will fire
//when the first animation is complete.
var changeColor = new YAHOO.util.ColorAnim("animator", {
backgroundColor: {from:"#003366", to:"#ff0000"}
}, 1);
//Here's the chaining glue: We subscribe to the
//first animation's onComplete event, and in
//our handler we animate the second animation:
move.onComplete.subscribe(function() {
changeColor.animate();
});
//Here we set up our YUI Button and subcribe to
//its click event. When clicked, it will
//animate the first animation:
var startAnim = new YAHOO.widget.Button("startAnim");
startAnim.subscribe("click", function() {
//reset the color value to the start so that
//the animation can be run multiple times:
YAHOO.util.Dom.setStyle("animator", "backgroundColor", "#003366");
move.animate();
});
changeColor.onStart.subscribe(function() {
});
changeColor.onTween.subscribe(function(s, o) {
});
changeColor.onComplete.subscribe(function(s, o) {
});
});
</script>
</body>
</html>
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