JavaScript DHTML/YUI Library/Flickr — различия между версиями
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Текущая версия на 07:29, 26 мая 2010
Use AutoComplete to find images by tag from the Flickr webservice
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YUI is issued by Yahoo! under the BSD license above. Below is a list of certain publicly available software that is the source of intellectual property in YUI, along with the licensing terms that pertain to thosesources of IP. This list is for informational purposes only and is not intended to represent an exhaustive list of third party contributions to the YUI.
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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>Find Photos on Flickr</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/autocomplete/assets/skins/sam/autocomplete.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/connection/connection-min.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/datasource/datasource-min.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/autocomplete/autocomplete-min.js"></script>
<!--begin custom header content for this example-->
<style type="text/css">
#flickrselections {
float:right;
width:240px;
padding:10px;
background-color:#FFA928;
}
#flickrselections h5 {
color:#009;
margin:0;
}
/* custom styles for scrolling container */
#flickrautocomplete {
width:15em; /* set width of widget here */
padding-bottom:2em;
}
#flickrautocomplete .yui-ac-content {
max-height:30em;overflow:auto;overflow-x:hidden; /* set scrolling */
_height:30em; /* ie6 */
}
#flickrautocomplete .flickrImg {
width:6em;height:6em;padding:.1em;vertical-align:middle;
}
</style>
<!--end custom header content for this example-->
</head>
<body class=" yui-skin-sam">
<h1>Find Photos on Flickr</h1>
<div class="exampleIntro">
<p>This example uses AutoComplete to find images by tag from the Flickr webservice. A simple PHP proxy is used to access the remote server via XHR. The <code>generateRequest()</code> method has been customized in order send additional required parameters to the Flickr application. The <code>formatResult()</code> method has been customized in order to display images in the results container, and the default CSS has been enhanced so the results container can scroll. Finally, a <code>itemSelectEvent</code> handler has been defined to collect selected images in a separate container.
</div>
<!--BEGIN SOURCE CODE FOR EXAMPLE -->
<h3>Find photos by tag and collect your selections:</h3>
<div id="flickrselections">
<h5>Selections</h5>
<div id="photos"></div>
</div>
<div id="flickrautocomplete">
<input id="flickrinput" type="text">
<div id="flickrcontainer"></div>
</div>
<script type="text/javascript">
YAHOO.example.ACFlickr = function() {
// Set up a local proxy to the Flickr webservice
var myDS = new YAHOO.util.XHRDataSource("yui_2.7.0b-assets/autocomplete-assets/php/flickr_proxy.php");
myDS.responseSchema = {
resultNode: "photo",
fields: ["title", "id", "owner", "secret", "server"]
};
myDS.responseType = YAHOO.util.XHRDataSource.TYPE_XML;
myDS.maxCacheEntries = 100;
// Instantiate AutoComplete
var myAC = new YAHOO.widget.AutoComplete("flickrinput","flickrcontainer", myDS);
myAC.resultTypeList = false;
myAC.suppressInputUpdate = true;
myAC.generateRequest = function(sQuery) {
return "?method=flickr.photos.search&tags="+sQuery;
};
var getImgUrl = function(oPhoto, sSize) {
var sId = oPhoto.id;
var sSecret = oPhoto.secret;
var sServer = oPhoto.server;
var sUrl = "http://static.flickr.ru/" +
sServer +
"/" +
sId +
"_" +
sSecret +
"_"+ (sSize || "s") +".jpg";
return "<img src="" + sUrl + "" class="flickrImg">";
}
myAC.formatResult = function(oResultItem, sQuery) {
// This was defined by the schema array of the data source
var sTitle = oResultItem.title;
var sMarkup = getImgUrl(oResultItem) + " " + sTitle;
return (sMarkup);
};
myAC.itemSelectEvent.subscribe(function(sType, aArgs){
var oPhoto = aArgs[2];
YAHOO.util.Dom.get("photos").innerHTML =
"<p>"+getImgUrl(oPhoto, "m")+"</p>"+YAHOO.util.Dom.get("photos").innerHTML
});
return {
oDS: myDS,
oAC: myAC
};
}();
</script>
<!--END SOURCE CODE FOR EXAMPLE -->
</body>
</html>
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