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Adding a protocol for reading features cross-origin from services that support JSON with a callback. r=erilem (closes #2956)

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@11691 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
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Tim Schaub
2011-03-10 20:51:03 +00:00
parent 545c001b5e
commit 27da366cd0
6 changed files with 710 additions and 0 deletions
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examples/cross-origin.html Normal file
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<!DOCTYPE html>
<html>
<head>
<title>OpenLayers Script Protocol Example</title>
<link rel="stylesheet" href="../theme/default/style.css" type="text/css">
<link rel="stylesheet" href="style.css" type="text/css">
<meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<script src="../lib/OpenLayers.js"></script>
</head>
<body>
<h1 id="title">Script Protocol</h1>
<div id="tags">
protocol, script, cross origin, advanced
</div>
<p id="shortdesc">
Demonstrates the use of a script protocol for making feature requests
cross origin.
</p>
<div id="map" class="smallmap"></div>
<div id="docs">
<p>
In cases where a service returns serialized features and accepts
a named callback (e.g. http://example.com/features.json?callback=foo),
the script protocol can be used to read features without being
restricted by the same origin policy.
</p>
<p>
View the <a href="cross-origin.js" target="_blank">cross-origin.js</a>
source to see how this is done
</p>
</div>
<script src="cross-origin.js"></script>
</body>
</html>