--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cm/media/js/lib/yui/yui_3.0.0b1/examples/io/io-post.html Mon Nov 23 15:14:29 2009 +0100
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+ <title>YUI Library Examples: IO: POST Transaction</title>
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+ <div id="pagetitle"><h1>YUI Library Examples: IO: POST Transaction</h1></div>
+</div>
+<div id="bd">
+
+ <div id="bar-note"><p><strong>Note:</strong> This is YUI 3.x. Looking for <a href="http://developer.yahoo.com/yui/">YUI 2.x</a>?</p></div>
+
+ <div id="yui-main">
+ <div class="yui-b">
+ <div class="yui-ge">
+ <div class="yui-u first example" id="main">
+
+ <h2>IO: POST Transaction</h2>
+
+ <div id="example" class="promo">
+ <p>
+ <p>POSTing data to a server using YUI's IO utility is a simple process. Click "Send a POST Request" below to try it out, then read the description below to learn how it's done.</p> </p>
+
+ <div class="module example-container ">
+ <div class="hd exampleHd">
+ <p class="newWindowButton yui-skin-sam">
+ <a href="io-post_clean.html" target="_blank">View example in new window.</a>
+ </p>
+ </div> <div id="example-canvas" class="bd">
+
+
+ <!--BEGIN SOURCE CODE FOR EXAMPLE =============================== -->
+
+ <div id="container">
+ <ul>
+ <li>IO POST response data will appear here.</li>
+ </ul>
+</div>
+<form><input type="button" id="requestButton" value="Send a POST Request"></form>
+
+<script>
+
+YUI({base:"../../build/", timeout: 10000}).use("io",
+
+ function(Y) {
+
+ //Get a reference to the Node that we are using
+ //to report results:
+ var div = Y.Node.get('#container ul');
+
+ //A function handler to use for successful requests:
+ var handleSuccess = function(ioId, o){
+ Y.log(arguments);
+ Y.log("The success handler was called. Id: " + ioId + ".", "info", "example");
+
+ if(o.responseText !== undefined){
+ var s = "<li>Transaction id: " + ioId + "</li>";
+ s += "<li>HTTP status: " + o.status + "</li>";
+ s += "<li>Status code message: " + o.statusText + "</li>";
+ s += "<li>HTTP headers received: <ul>" + o.getAllResponseHeaders() + "</ul></li>";
+ s += "<li>PHP response: " + o.responseText + "</li>";
+ div.set("innerHTML", s);
+ }
+ }
+
+ //A function handler to use for failed requests:
+ var handleFailure = function(ioId, o){
+ Y.log("The failure handler was called. Id: " + ioId + ".", "info", "example");
+
+ if(o.responseText !== undefined){
+ var s = "<li>Transaction id: " + ioId + "</li>";
+ s += "<li>HTTP status: " + o.status + "</li>";
+ s += "<li>Status code message: " + o.statusText + "</li>";
+ div.set("innerHTML", s);
+ }
+ }
+
+ //Subscribe our handlers to IO's global custom events:
+ Y.on('io:success', handleSuccess);
+ Y.on('io:failure', handleFailure);
+
+
+ /* Configuration object for POST transaction */
+ var cfg = {
+ method: "POST",
+ data: "user=YDN&password=API",
+ headers: { 'X-Transaction': 'POST Example'}
+ };
+
+ //The URL of the resource to which we're POSTing data:
+ var sUrl = "assets/post.php";
+
+ //Handler to make our XHR request when the button is clicked:
+ function makeRequest(){
+
+ div.set("innerHTML", "Loading data from new request...");
+
+ var request = Y.io(sUrl, cfg);
+ Y.log("Initiating request; Id: " + request.id + ".", "info", "example");
+
+ }
+
+ // Make a request when the button is clicked:
+ Y.on("click", makeRequest, "#requestButton");
+
+ Y.log("As you interact with this example, relevant steps in the process will be logged here.", "info", "example");
+ }
+);
+</script>
+
+
+ <!--END SOURCE CODE FOR EXAMPLE =============================== -->
+
+
+ </div>
+ </div>
+ </div>
+
+ <h2 class="first">Using IO to Post Data and Receive the Server Response via HTTP POST</h2>
+
+<h3>Create a YUI Instance</h3>
+<p>Create a YUI instance, using IO, for this example:</p>
+
+<textarea name="code" class="JScript" cols="60" rows="1">
+//Create a YUI instance including support for IO:
+YUI({base:"../../build/", timeout: 10000}).use("io-base", function(Y) {
+ // Y is the YUI instance.
+ // The rest of the following code is encapsulated in this
+ // anonymous function.
+} );
+</textarea>
+
+<h3>Assemble a Configuration Object for a POST Transaction</h3>
+<p>The IO configuration object support allows you to designate the transaction method (<code>POST</code> in this case) and other information, including data that should be sent as the POST body:</p>
+
+<textarea name="code" class="JScript" cols="60" rows="1">/* Configuration object for POST transaction */
+var cfg = {
+ method: "POST",
+ data: "user=YDN&password=API",
+ headers: { 'X-Transaction': 'POST Example'},
+};</textarea>
+
+<h3>Create Handlers to Process Successful and Unsuccessful Transactions</h3>
+
+<p>Our handlers for the events that fire on successful and unsuccessful responses will write out information about the transaction to the <code>innerHTML</code> of an element on the page:</p>
+
+<textarea name="code" class="JScript" cols="60" rows="1">//Get a reference to the Node that we are using
+//to report results:
+var div = Y.Node.get('#container');
+
+//A function handler to use for successful requests:
+var handleSuccess = function(ioId, o){
+ Y.log(arguments);
+ Y.log("The success handler was called. Id: " + ioId + ".", "info", "example");
+
+ if(o.responseText !== undefined){
+ var s = "<li>Transaction id: " + ioId + "</li>";
+ s += "<li>HTTP status: " + o.status + "</li>";
+ s += "<li>Status code message: " + o.statusText + "</li>";
+ s += "<li>HTTP headers received: <ul>" + o.getAllResponseHeaders() + "</ul></li>";
+ s += "<li>PHP response: " + o.responseText + "</li>";
+ div.set("innerHTML", s);
+ }
+};
+
+//A function handler to use for failed requests:
+var handleFailure = function(ioId, o){
+ Y.log("The failure handler was called. Id: " + ioId + ".", "info", "example");
+
+ if(o.responseText !== undefined){
+ var s = "<li>Transaction id: " + ioId + "</li>";
+ s += "<li>HTTP status: " + o.status + "</li>";
+ s += "<li>Status code message: " + o.statusText + "</li>";
+ div.set("innerHTML", s);
+ }
+};
+
+//Subscribe our handlers to IO's global custom events:
+Y.on('io:success', handleSuccess);
+Y.on('io:failure', handleFailure);</textarea>
+
+<h3>Initiate the POST Transaction</h3>
+<p>
+The final step in this example is to start the IO POST transaction when a button on the page is clicked. We have a button with an ID of <code>requestButton</code>; we wire that button to the IO request with the following code:
+</p>
+
+<textarea name="code" class="JScript" cols="60" rows="1">//Handler to make our XHR request when the button is clicked:
+function makeRequest(){
+
+ div.set("innerHTML", "Loading data from new request...");
+
+ var request = Y.io(sUrl, cfg);
+ Y.log("Initiating request; Id: " + request.id + ".", "info", "example");
+
+}
+
+// Make a request when the button is clicked:
+Y.on("click", makeRequest, "#requestButton");</textarea>
+
+<h3>Full Code</h3>
+
+<p>The full JavaScript code for this example follows:</p>
+
+<textarea name="code" class="JScript" cols="60" rows="1">
+YUI({base:"../../build/", timeout: 10000}).use("io-base",
+
+ function(Y) {
+
+ //Get a reference to the Node that we are using
+ //to report results:
+ var div = Y.Node.get('#container');
+
+ //A function handler to use for successful requests:
+ var handleSuccess = function(ioId, o){
+ Y.log(arguments);
+ Y.log("The success handler was called. Id: " + ioId + ".", "info", "example");
+
+ if(o.responseText !== undefined){
+ var s = "<li>Transaction id: " + ioId + "</li>";
+ s += "<li>HTTP status: " + o.status + "</li>";
+ s += "<li>Status code message: " + o.statusText + "</li>";
+ s += "<li>HTTP headers received: <ul>" + o.getAllResponseHeaders() + "</ul></li>";
+ s += "<li>PHP response: " + o.responseText + "</li>";
+ div.set("innerHTML", s);
+ }
+ };
+
+ //A function handler to use for failed requests:
+ var handleFailure = function(ioId, o){
+ Y.log("The failure handler was called. Id: " + ioId + ".", "info", "example");
+
+ if(o.responseText !== undefined){
+ var s = "<li>Transaction id: " + ioId + "</li>";
+ s += "<li>HTTP status: " + o.status + "</li>";
+ s += "<li>Status code message: " + o.statusText + "</li>";
+ div.set("innerHTML", s);
+ }
+ };
+
+ //Subscribe our handlers to IO's global custom events:
+ Y.on('io:success', handleSuccess);
+ Y.on('io:failure', handleFailure);
+
+
+ /* Configuration object for POST transaction */
+ var cfg = {
+ method: "POST",
+ data: "user=YDN&password=API",
+ headers: { 'X-Transaction': 'POST Example'},
+ };
+
+ //The URL of the resource to which we're POSTing data:
+ var sUrl = "assets/post.php";
+
+ //Handler to make our XHR request when the button is clicked:
+ function makeRequest(){
+
+ div.set("innerHTML", "Loading data from new request...");
+
+ var request = Y.io(sUrl, cfg);
+ Y.log("Initiating request; Id: " + request.id + ".", "info", "example");
+
+ }
+
+ // Make a request when the button is clicked:
+ Y.on("click", makeRequest, "#requestButton");
+
+ Y.log("As you interact with this example, relevant steps in the process will be logged here.", "info", "example");
+ }
+);</textarea> </div>
+ <div class="yui-u sidebar">
+
+
+ <div id="examples" class="mod box4">
+ <div class="hd">
+ <h4>
+ IO Examples:</h4>
+ </div>
+ <div class="bd">
+ <ul>
+ <li><a href='../io/io-get.html'>GET Transaction</a></li><li class='selected'><a href='../io/io-post.html'>POST Transaction</a></li><li><a href='../io/io-weather.html'>XML Transaction — Retrieving a Yahoo! Weather RSS (XML) Feed via a Server-Side Proxy</a></li><li><a href='../io/io-xdr.html'>Cross-Domain JSON Transaction — Retrieving a News Feed from Yahoo! Pipes</a></li><li><a href='../node-menunav/node-menunav-8.html'>Adding Submenus On The Fly (included with examples for MenuNav Node Plugin)</a></li><li><a href='../overlay/overlay-io-plugin.html'>IO Plugin (included with examples for Overlay)</a></li><li><a href='../dd/portal-drag.html'>Portal Style Example (included with examples for Drag & Drop)</a></li> </ul>
+ </div>
+ </div>
+
+ <div class="mod box4">
+ <div class="hd">
+ <h4>More IO Resources:</h4>
+ </div>
+ <div class="bd">
+ <ul>
+ <!-- <li><a href="http://developer.yahoo.com/yui/io/">User's Guide</a> (external)</li> -->
+ <li><a href="../../api/module_io.html">API Documentation</a></li>
+</ul>
+ </div>
+ </div>
+ </div>
+ </div>
+
+ </div>
+ </div>
+
+
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