1 files changed, 46 insertions, 0 deletions
diff --git a/misc/openlayers/examples/cache-write.js b/misc/openlayers/examples/cache-write.js
new file mode 100644
index 0000000..e9db31a
--- /dev/null
+++ b/misc/openlayers/examples/cache-write.js
@@ -0,0 +1,46 @@
+// Use proxy to get same origin URLs for tiles that don't support CORS.
+OpenLayers.ProxyHost = "proxy.cgi?url=";
+
+var map, cacheWrite;
+
+function init() {
+    map = new OpenLayers.Map({
+        div: "map",
+        projection: "EPSG:900913",
+        layers: [
+            new OpenLayers.Layer.WMS(
+                "OSGeo", "http://vmap0.tiles.osgeo.org/wms/vmap0",
+                {layers: "basic"}
+            )
+        ],
+        center: [0, 0],
+        zoom: 1
+    });
+    cacheWrite = new OpenLayers.Control.CacheWrite({
+        autoActivate: true,
+        imageFormat: "image/jpeg",
+        eventListeners: {
+            cachefull: function() { status.innerHTML = "Cache full."; }
+        }
+    });
+    map.addControl(cacheWrite);
+
+
+
+    // User interface
+    var status = document.getElementById("status");
+    document.getElementById("clear").onclick = function() {
+        OpenLayers.Control.CacheWrite.clearCache();
+        updateStatus();
+    };
+
+    // update the number of cached tiles and detect local storage support
+    map.layers[0].events.on({'tileloaded': updateStatus});
+    function updateStatus() {
+        if (window.localStorage) {
+            status.innerHTML = localStorage.length + " entries in cache.";
+        } else {
+            status.innerHTML = "Local storage not supported. Try a different browser.";
+        }
+    }
+}
+\ No newline at end of file