update YUI to 2.8.0r4
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Graham Knop
parent
27f474ec64
commit
2d28e0c0ba
2007 changed files with 344487 additions and 210070 deletions
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=utf-8">
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<title>Using deferred loading of items and Carousel's built-in paginator</title>
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<style type="text/css">
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/*margin and padding on body element
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can introduce errors in determining
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element position and are not recommended;
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we turn them off as a foundation for YUI
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CSS treatments. */
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body {
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margin:0;
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padding:0;
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}
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</style>
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<link rel="stylesheet" type="text/css" href="../../build/fonts/fonts-min.css" />
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<link rel="stylesheet" type="text/css" href="../../build/carousel/assets/skins/sam/carousel.css" />
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<script type="text/javascript" src="../../build/yahoo-dom-event/yahoo-dom-event.js"></script>
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<script type="text/javascript" src="../../build/connection/connection-min.js"></script>
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<script type="text/javascript" src="../../build/element/element-min.js"></script>
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<script type="text/javascript" src="../../build/carousel/carousel-min.js"></script>
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<!--begin custom header content for this example-->
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<style type="text/css">
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/* Style the spotlight container */
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#spotlight {
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border: 1px solid #ccc;
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height: 240px;
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margin: 10px auto;
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padding: 1px;
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text-align: center;
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width: 240px;
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}
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#carousel {
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margin: 0;
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}
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#container {
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margin: 0 auto;
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}
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/* Always be sure to give your carousel items a width and a height */
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.yui-carousel-element li {
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height: 75px;
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width: 75px;
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}
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/* Since for this example, we display more than the default 5 page buttons,
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by setting MAX_PAGER_BUTTONS, we increase the offset margin for IE6/7, to
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make space for the 6th button */
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.yui-skin-sam .yui-carousel-nav ul {
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*margin-left: -190px;
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}
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</style>
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<!--end custom header content for this example-->
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</head>
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<body class="yui-skin-sam">
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<h1>Using deferred loading of items and Carousel's built-in paginator</h1>
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<div class="exampleIntro">
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<p>This example extends <a href="http://developer.yahoo.com/yui/examples/carousel/csl_dynload2.html">Using Ajax for deferred loading of items</a> and demonstrates
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how to support <a href="http://developer.yahoo.com/yui/carousel/">YUI Carousel Control's</a> built-in paginator via the <code>replaceItem</code> method.</p>
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</div>
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<!--BEGIN SOURCE CODE FOR EXAMPLE =============================== -->
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<!-- The Carousel container -->
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<div id="container">
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<ol id="carousel"></ol>
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</div>
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<!-- The spotlight container -->
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<div id="spotlight"></div>
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<script>
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var curpos, batchSize, items = [];
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function getImageTag(img) {
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return "<img src=\"" + img + "\" height=\"75\" width=\"75\">";
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}
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function getImages(o) {
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var carousel = this,
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revealEnabled = carousel.get("revealAmount"),
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numVisible = carousel.get("numVisible"),
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curpos = o.num > numVisible + (revealEnabled?1:0) ? o.last - (o.last % numVisible) : o.first;
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YAHOO.util.Connect.asyncRequest("GET", "assets/php/getimages2.php"+ "?r="+Math.random()+"&batchSize="+ batchSize + "&pos=" + curpos, {
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success: function (o) {
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var i = curpos,
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j = 0,
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r = eval("(" + o.responseText + ")"),
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item,
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loadingItems;
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curpos += r.length;
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while (i < curpos) {
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if (r[j]) {
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item = getImageTag(r[j]);
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loadingItems = carousel.getLoadingItems();
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if(loadingItems[i]){
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// We use replaceItem to swap out a placeholder loading item, which allows for backwards navigation.
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carousel.replaceItem(item,i);
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} else {
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carousel.addItem(item);
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}
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} else {
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break;
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}
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i++;
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j++;
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}
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carousel.set("selectedItem", carousel.get("firstVisible"));
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},
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failure: function (o) {
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alert("Ajax request failed!");
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}
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});
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}
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// Get the image link from within its (parent) container.
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function getLargeImage(parent) {
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var el = parent.firstChild;
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while (el) { // walk through till as long as there\'s an element
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if (el.nodeName.toUpperCase() == "IMG") { // found an image
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// flickr uses "_s" suffix for small, and "_m" for big
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// images respectively
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return el.src.replace(/_s\.jpg$/, "_m.jpg");
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}
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el = el.nextSibling;
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}
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return "";
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}
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YAHOO.util.Event.onDOMReady(function (ev) {
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var carousel, spotlight = YAHOO.util.Dom.get("spotlight");
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/* Allow for anchor pagination to better demonstrate backwards loading.
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Note: MAX_PAGER_BUTTONS defaults to 5 making a Carousel with more than
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5 pages spawn a select box containing pages instead of page anchors. */
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YAHOO.widget.Carousel.prototype.CONFIG.MAX_PAGER_BUTTONS = 100;
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carousel = new YAHOO.widget.Carousel("container", {
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/* Setting numItems is required for dynamic loading. This property lets Carousel
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know how many total items it will ever be populated with.
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Not to be confused with numVisible: the number of items to display
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per page. In this case we don't specify it and Carousel
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defaults to 3 items visible per page. */
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numItems: 17
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});
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batchSize = carousel.get("numVisible");
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YAHOO.util.Connect.asyncRequest("GET", "assets/php/getimages2.php" + "?r="+Math.random()+"&batchSize=" + batchSize, {
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success: function (o) {
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var i, r = eval("(" + o.responseText + ")");
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curpos = r.length;
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for (i = 0; i < curpos; i++) {
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items.push(r[i]);
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}
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// check if the Carousel widget is available
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if (typeof carousel != "undefined") {
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for (i = 0; i < curpos; i++) {
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// if so, shove the elements into it
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carousel.addItem(getImageTag(items[i]));
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}
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carousel.set("selectedItem", 0);
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items = [];
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}
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},
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failure: function (o) {
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alert("Ajax request failed!");
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}
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});
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carousel.on("loadItems", function (o) {
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// more items available?
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getImages.call(this, o);
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});
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carousel.on("itemSelected", function (index) {
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// item has the reference to the Carousel\'s item
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var item = carousel.getElementForItem(index);
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if (item) {
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spotlight.innerHTML = "<img src=\""+getLargeImage(item)+"\">";
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}
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});
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carousel.render();
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carousel.show();
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});
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</script>
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<!--END SOURCE CODE FOR EXAMPLE =============================== -->
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</body>
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</html>
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