Merge remote-tracking branch 'anarcat/osm_arbitrary_layers'

diff --git a/IkiWiki/Plugin/osm.pm b/IkiWiki/Plugin/osm.pm
index 764767525485d9df1fda2175ec5e5e0c1f832f0e..2c555f372630e8d02a37031a01711ac05b30132f 100644 (file)
--- a/IkiWiki/Plugin/osm.pm
+++ b/IkiWiki/Plugin/osm.pm
@@ -67,7 +67,20 @@ sub getsetup () {
                        safe => 0,
                        rebuild => 1,
                },
-
+               osm_layers => {
+                       type => "string",
+                       example => { 'OSM', 'GoogleSattelite' },
+                       description => "Layers to use in the map. Can be either the 'OSM' string or a type option for Google maps (GoogleNormal, GoogleSatellite, GoogleHybrid or GooglePhysical). It can also be an arbitrary URL in a syntax acceptable for OpenLayers.Layer.OSM.url parameter.",
+                       safe => 0,
+                       rebuild => 1,
+               },
+               osm_google_apikey => {
+                       type => "string",
+                       example => "",
+                       description => "Google maps API key, Google layer not used if missing, see https://code.google.com/apis/console/ to get an API key",
+                       safe => 1,
+                       rebuild => 1,
+               },
 }
 
 sub register_rendered_files {
@@ -137,6 +150,7 @@ sub preprocess {
                lat => $lat,
                lon => $lon,
                href => $href,
+               google_apikey => $config{'osm_google_apikey'},
        };
        return "<div id=\"mapdiv-$name\"></div>";
 }
@@ -520,6 +534,7 @@ sub cgi($) {
                zoom => "urlParams['zoom']",
                fullscreen => 1,
                editable => 1,
+               google_apikey => $config{'osm_google_apikey'},
        );
        print "</script>";
        print "</body></html>";
@@ -530,9 +545,13 @@ sub cgi($) {
 sub embed_map_code(;$) {
        my $page=shift;
        my $olurl = $config{osm_openlayers_url} || "http://www.openlayers.org/api/OpenLayers.js";
-       return '<script src="'.$olurl.'" type="text/javascript" charset="utf-8"></script>'.
+       my $code = '<script src="'.$olurl.'" type="text/javascript" charset="utf-8"></script>'."\n".
                '<script src="'.urlto("ikiwiki/osm.js", $page).
                '" type="text/javascript" charset="utf-8"></script>'."\n";
+       if ($config{'osm_google_apikey'}) {
+           $code .= '<script src="http://maps.google.com/maps?file=api&amp;v=2&amp;key='.$config{'osm_google_apikey'}.'&sensor=false" type="text/javascript" charset="utf-8"></script>';
+       }
+       return $code;
 }
 
 sub map_setup_code($;@) {
@@ -540,6 +559,8 @@ sub map_setup_code($;@) {
        my $name=shift;
        my %options=@_;
 
+       my $mapurl = $config{osm_map_url};
+
        eval q{use JSON};
        error $@ if $@;
                                
@@ -556,6 +577,11 @@ sub map_setup_code($;@) {
                $options{'kmlurl'} = urlto($map."/pois.kml");
        }
 
+       if ($mapurl) {
+               $options{'mapurl'} = $mapurl;
+       }
+        $options{'layers'} = $config{osm_layers};
+
        return "mapsetup('mapdiv-$name', " . to_json(\%options) . ");";
 }
 

diff --git a/underlays/osm/ikiwiki/osm.js b/underlays/osm/ikiwiki/osm.js
index d7e3d53f42e7c832423d21ea6b82b1305ddec22d..5ba3223ad99cb0f8b179e7e98154d1051ffec92f 100644 (file)
--- a/underlays/osm/ikiwiki/osm.js
+++ b/underlays/osm/ikiwiki/osm.js
@@ -34,15 +34,50 @@ 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
        });
 
+       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));
+               }
+       }
 
-       map.addLayer(new OpenLayers.Layer.OSM());
        if (options.format == 'CSV') {
                pois = new OpenLayers.Layer.Text( "CSV",
                        { location: options.csvurl,
-                         projection: map.displayProjection
+                         projection: new OpenLayers.Projection("EPSG:4326")
                        });
        } else if (options.format == 'GeoJSON') {
                pois = new OpenLayers.Layer.Vector("GeoJSON", {
@@ -50,7 +85,8 @@ function mapsetup(divname, options) {
                                url: options.jsonurl,
                                format: new OpenLayers.Format.GeoJSON()
                        }),
-                       strategies: [new OpenLayers.Strategy.Fixed()]
+                       strategies: [new OpenLayers.Strategy.Fixed()],
+                       projection: new OpenLayers.Projection("EPSG:4326")
                });
        } else {
                pois = new OpenLayers.Layer.Vector("KML", {
@@ -61,7 +97,9 @@ function mapsetup(divname, options) {
                                        extractAttributes: true
                                })
                        }),
-               strategies: [new OpenLayers.Strategy.Fixed()]});
+                       strategies: [new OpenLayers.Strategy.Fixed()],
+                       projection: new OpenLayers.Projection("EPSG:4326")
+                });
        }
        map.addLayer(pois);
        select = new OpenLayers.Control.SelectFeature(pois);