make layers an array

[git.ikiwiki.info.git] / underlays / osm / ikiwiki / osm.js

diff --git a/underlays/osm/ikiwiki/osm.js b/underlays/osm/ikiwiki/osm.js
index 388d625f15039aea6734bb782910b8e6b6612135..5ba3223ad99cb0f8b179e7e98154d1051ffec92f 100644 (file)
--- a/underlays/osm/ikiwiki/osm.js
+++ b/underlays/osm/ikiwiki/osm.js
@@ -34,14 +34,44 @@ function mapsetup(divname, options) {
                        new OpenLayers.Control.Permalink(permalink)
                ],
                displayProjection: new OpenLayers.Projection("EPSG:4326"),
-               numZoomLevels: 18
+               maxExtent: new OpenLayers.Bounds(-20037508.34,-20037508.34,20037508.34,20037508.34),
+               projection: "EPSG:900913",
+               units: "m",
+               maxResolution: 156543.0339,
+               numZoomLevels: 19
        });
 
-       if (options.mapurl) {
-               var newLayer = new OpenLayers.Layer.OSM("Local Tiles", options.mapurl, {numZoomLevels: 19, isBaseLayer: true});
-               map.addLayer(newLayer);
-       } else {
-               map.addLayer(new OpenLayers.Layer.OSM());
+       for (x in options.layers) {
+               layer = options.layers[x];
+               console.log("setting up layer: " + layer);
+               if (layer.indexOf("Google") >= 0) {
+                       if (options.google_apikey && options.google_apikey != 'null') {
+                               var gtype = G_NORMAL_MAP;
+                               if (layer.indexOf("Satellite") >= 0) {
+                                       gtype = G_SATELLITE_MAP;
+                               } else if (layer.indexOf("Hybrid") >= 0) {
+                                       gtype = G_HYBRID_MAP // the normal map overlaying the satellite photographs
+                               } else if (layer.indexOf("Physical") >= 0) {
+                                       gtype = G_PHYSICAL_MAP // terrain information
+                               }
+                               // this nightmare is possible through http://docs.openlayers.org/library/spherical_mercator.html
+                               googleLayer = new OpenLayers.Layer.Google(
+                                       layer,
+                                       {type: gtype,
+                                        'sphericalMercator': true,
+                                        'maxExtent': new OpenLayers.Bounds(-20037508.34,-20037508.34,20037508.34,20037508.34),
+                                        projection: new OpenLayers.Projection("EPSG:3857")}
+                               );
+                               map.addLayer(googleLayer);
+                       } else {
+                               console.log("no API key defined for Google layer, skipping");
+                       }
+               } else if (layer == 'OSM') { // OSM default layer
+                       map.addLayer(new OpenLayers.Layer.OSM("OSM (Mapnik)"));
+               } else { // assumed to be a URL
+                       text = layer.match(/([^.\/]*\.[^.\/]*(\/[^\$]*)?)\/.*$/i) // take the first two parts of the FQDN and everything before the first $
+                       map.addLayer(new OpenLayers.Layer.OSM("OSM (" + text[1]  + ")", layer));
+               }
        }
 
        if (options.format == 'CSV') {