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Adding cross-browser XMLHttpRequest functionality and convenience methods around it in the OpenLayers.Request namespace. Deprecating OpenLayers.Ajax.Request. Full support sync/async requests using all HTTP verbs now. r=elemoine (closes #1565)

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@7335 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
Tim Schaub
2008-06-09 19:51:38 +00:00
parent c3ca41b3be
commit 3c70e78e47
18 changed files with 924 additions and 120 deletions
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tests/manual/ajax.html
+22 -43
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@@ -1,70 +1,49 @@
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Ajax Acceptance Test</title>
<style type="text/css">
body {
font-size: 0.8em;
}
p {
padding-top: 1em;
}
.buttons {
margin: 1em;
float: left;
}
</style>
<title>XHR Acceptance Test</title>
<script src="../../lib/OpenLayers.js"></script>
<script type="text/javascript">
var url = "ajax.txt";
function sendSynchronous(){
var request = new OpenLayers.Ajax.Request(url, {
'asynchronous': false,
onComplete: function() {
var request = OpenLayers.Request.GET({
url: url,
async: false,
callback: function() {
document.getElementById('send_sync').value += 'request completed\n';
}
});
document.getElementById('send_sync').value += 'other processing\n';
}
function sendAsynchronous(){
var request = new OpenLayers.Ajax.Request(url, {
onComplete: function() {
var request = OpenLayers.Request.GET({
url: url,
callback: function() {
document.getElementById('send_sync').value += 'request completed\n';
}
});
document.getElementById('send_sync').value += 'other processing\n';
}
function sendAndAbort(){
var request = new OpenLayers.Ajax.Request(url, {
onComplete: function(request) {
if (request.responseText == '') {
document.getElementById('send_sync').value += 'request aborted\n';
}
var request = OpenLayers.Request.GET({
url: url,
callback: function() {
document.getElementById('send_sync').value += 'never called\n';
}
});
request.transport.abort();
request.abort();
document.getElementById('send_sync').value += 'other processing\n';
}
</script>
</head>
<body >
<div class="buttons">
<button onclick="sendSynchronous()">Send an synchronous Ajax request</button><br />
<button onclick="sendAsynchronous()">Send an asynchronous Ajax request</button><br />
<button onclick="sendAndAbort()">Send a request and abort it</button><br />
</script>
</head>
<body >
<button onclick="sendSynchronous()">synchronous</button>
expected output: "request completed" then "other processing"<br />
<button onclick="sendAsynchronous()">asynchronous</button>
expected output: "other processing" then "request completed"<br />
<button onclick="sendAndAbort()">send and abort</button>
expected output: "other processing" (and not "never called")<br />
<textarea id="send_sync" rows="6"></textarea><br />
<button onclick="document.getElementById('send_sync').value = ''">Clear</button>
</div>
<p><b></b></p>
<p>Clicking on the different buttons should give the following results in the textarea below :</p>
<ul>
<li>synchronous: "request completed" then "other processing"</li>
<li>asynchronous: "other processing" then "request completed"</li>
<li>abort: "request aborted" then "other processing" (note that real XHR behavior would not call onComplete with abort - meaning "request aborted" would not be displayed here)</li>
</ul>
</body>
</html>