[Peterborough] Add OS MasterMap map tiles

This adds a new "MasterMap" map type which uses tiles from Tilma to
display MasterMap data.

1 files changed, 24 insertions, 0 deletions

diff --git a/web/js/map-mastermap.js b/web/js/map-mastermap.js
new file mode 100644
index 000000000..d12a79bd0
--- /dev/null
+++ b/web/js/map-mastermap.js
@@ -0,0 +1,24 @@
+fixmystreet.maps.config = (function(original) {
+    return function(){
+        original();
+        fixmystreet.map_type = OpenLayers.Layer.MasterMap;
+    };
+})(fixmystreet.maps.config);
+
+OpenLayers.Layer.MasterMap = OpenLayers.Class(OpenLayers.Layer.BingUK, {
+    get_urls: function(bounds, z) {
+        if (z < 17) {
+            return OpenLayers.Layer.BingUK.prototype.get_urls.apply(this, arguments);
+        }
+
+        var urls = [];
+        var servers = [ '', 'a.', 'b.', 'c.' ];
+        var base = "//{S}tilma.mysociety.org/mastermap/${z}/${x}/${y}.png";
+        for (var i=0; i < servers.length; i++) {
+            urls.push( base.replace('{S}', servers[i]) );
+        }
+        return urls;
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.MasterMap"
+});