css-sprite-example/sprite.a.html at master · gloridea/css-sprite-example · GitHub

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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>Sprite Image Sample</title>
	<style type="text/css">
	span { font-size:9pt; }
	ul.toolbar {
		/* border:1px solid red; */
		list-style:none;
		overflow:hidden;
		width:600px;
		margin:0;
		padding:0;
	}

	ul.toolbar > li {
		/* border: 1px solid blue; */
		display: block;
		position: relative;
		float: left;
		height: 60px;
		display: block;
		margin: 0 5px 0 5px;
		text-align: center;
	}

	ul.toolbar > li > a > span.sprite {
		/* border: 1px solid pink; */
		display: block;
		width: 52px;
		height: 37px;
		cursor: pointer;
		background-image: url(svc_sprite_all.gif);
	}

	ul.toolbar > li > a > span.sprite.item1 { background-position: 0 0; }
	ul.toolbar > li > a > span.sprite.item2 { background-position: 0 -37px; }
	ul.toolbar > li > a > span.sprite.item3 { background-position: 0 -74px; }
	ul.toolbar > li > a > span.sprite.item4 { background-position: 0 -111px; }
	ul.toolbar > li > a > span.sprite.item5 { background-position: 0 -148px; }
	ul.toolbar > li > a > span.sprite.item6 { background-position: 0 -185px; }
	ul.toolbar > li > a > span.sprite.item7 { background-position: 0 -222px; }

	</style>
</head>
<body>
	<ul class="toolbar">
		<li>
			<a href="mail">
				<span class="sprite item1"></span>
				<span>Gmail</span>
			</a>
		</li>
		<li>
			<a href="calendar">
				<span class="sprite item2"></span>
				<span>Calendar</span>
			</a>
		</li>
		<li>
			<a href="toolbar">
				<span class="sprite item3"></span>
				<span>툴바</span>
			</a>
		</li>
		<li>
			<a href="desktop">
				<span class="sprite item4"></span>
				<span>데스크톱</span>
			</a>
		</li>
		<li>
			<a href="picasa">
				<span class="sprite item5"></span>
				<span>Picasa</span>
			</a>
		</li>
		<li>
			<a href="youtube">
				<span class="sprite item6"></span>
				<span>YouTube</span>
			</a>
		</li>
		<li>
			<a href="note">
				<span class="sprite item7"></span>
				<span>노트</span>
			</a>
		</li>
	</ul>

	<button onclick="sprite2.spriteForward()">Forward</button>
	<button onclick="sprite2.spriteBackward()">Backward</button>
</body>
<script type="text/javascript">

var thumb = document.querySelector(".sprite.item1");
var WIDTH = 52;
var HEIGHT = 37;
var SPRITE_COUNT = 7;
var timerId = null;

function spriteForward() {
	resetTimer();
	var i = 0;

	window.timerId = setInterval(function() {
		var idx = getIndex();

		if (++idx.x < SPRITE_COUNT) {
			setIndex(idx);
		} else {
			resetTimer();
		}
	}, 60);
}

function spriteBackward() {
	resetTimer();
	var i = SPRITE_COUNT;

	window.timerId = setInterval(function() {
		var idx = getIndex();

		if (--idx.x >= 0) {
			setIndex(idx);
		} else {
			resetTimer();
		}
	}, 60);
}

function resetTimer() {
	if (window.timerId != null) {
		clearInterval(window.timerId);
		window.timerId = null;
	}
}

function setIndex(idx) {
	var left = idx.x * -WIDTH;
	var top = idx.y * -HEIGHT;
	thumb.style.backgroundPosition = left + "px " + top + "px";
	console.log(thumb.style.backgroundPosition);
}

function getIndex() {
	var style = window.getComputedStyle(thumb);
	var pos = style.backgroundPosition.split(" ");

	var x = parseInt(pos[0]) / WIDTH;
	var y = parseInt(pos[1]) / HEIGHT;

	return {
		x: Math.abs(x),
		y: Math.abs(y)
	};

}

thumb.addEventListener("mouseover", spriteForward, false);
thumb.addEventListener("mouseout", spriteBackward, false);


var sprite2 = {
	thumb: document.querySelector(".sprite.item2"),
	timerId: null,

	setIndex: function(idx) {
		var left = idx.x * -WIDTH;
		var top = idx.y * -HEIGHT;
		this.thumb.style.backgroundPosition = left + "px " + top + "px";
		console.log(this.thumb.style.backgroundPosition);
	},

	getIndex: function() {
		var style = window.getComputedStyle(this.thumb);
		var pos = style.backgroundPosition.split(" ");

		var x = parseInt(pos[0]) / WIDTH;
		var y = parseInt(pos[1]) / HEIGHT;

		return {
			x: Math.abs(x),
			y: Math.abs(y)
		};
	},

	sprite: function(moveNext) {
		this.resetTimer();

		this.timerId = setInterval(function() {
			var idx = this.getIndex();

			if (moveNext(idx)) {
				this.setIndex(idx);
			} else {
				this.resetTimer();
			}
		}.bind(this), 60);
	},

	spriteForward: function() {
		this.sprite(function(idx) {
			return ++idx.x < SPRITE_COUNT;
		});
	},

	spriteBackward: function() {
		this.sprite(function(idx) {
			return --idx.x >= 0;
		});
	},

	resetTimer: function() {
		if (this.timerId != null) {
			clearInterval(this.timerId);
			this.timerId = null;
		}
	},

	bindEvents: function() {
		this.thumb.addEventListener("mouseover", this.spriteForward.bind(this), false);
		this.thumb.addEventListener("mouseout", this.spriteBackward.bind(this), false);
	}
};

sprite2.bindEvents();

// sprite3
var sprite3 = {};

for (var name in sprite2) {
	sprite3[name] = sprite2[name];
}

sprite3.thumb = document.querySelector(".sprite.item3");
sprite3.bindEvents();

sprite3.clone = function(selector) {
	var newObj = {};

	for (var name in this) {
		newObj[name] = this[name];
	}

	newObj.thumb = document.querySelector(selector);
	newObj.bindEvents();

	return newObj;
}

// sprite4
var sprite4 = sprite3.clone(".sprite.item4");


// sprite5
function Sprite(selector) {
	this.thumb = document.querySelector(selector);
	this.bindEvents();
}

Sprite.prototype = sprite2;

var sprite5 = new Sprite(".sprite.item5");
var sprite6 = new Sprite(".sprite.item6");
var sprite7 = new Sprite(".sprite.item7");

</script>
</html>