try and make the OpenStreetBugs API a bit more consistent with the rest of the API

[rails.git] / public / javascripts / map.js

diff --git a/public/javascripts/map.js b/public/javascripts/map.js
index 71f5b8ff8be18845881b77dab4db62fc4c53e2ae..2349c3230d5770e5aa0f7a486415fb02b92b6a3f 100644 (file)
--- a/public/javascripts/map.js
+++ b/public/javascripts/map.js
@@ -1,61 +1,97 @@
+var epsg4326 = new OpenLayers.Projection("EPSG:4326");

 var map;
 var markers;
 var map;
 var markers;

+var vectors;

 var popup;
 
 var popup;
 

-function createMap(divName, centre, zoom) {
-   OpenLayers.Util.onImageLoadError = function() {
-      this.src = OpenLayers.Util.getImagesLocation() + "404.png";
-   }
+var nonamekeys = {
+   'openstreetmap.org': '2f59745a6b525b4ebdb100891d5b6711',
+   'www.openstreetmap.org': 'fd093e52f0965d46bb1c6c6281022199',
+   'openstreetmap.com': '4c60e7f5f31c576a9bb8da71c8d61152',
+   'www.openstreetmap.com': '142f25a0770a51a9a400b3513834a199',
+   'openstreetmap.net': '687c58fd1d715596bfc94abe653d8ac0',
+   'www.openstreetmap.net': '0bd1654141c85d30b9c2ccdb5302f2e4'
+};
+
+function createMap(divName, options) {
+   options = options || {};

 
 

-   map = new OpenLayers.Map(divName,
-                            { maxExtent: new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508),
-                              numZoomLevels: 19,
-                              maxResolution: 156543,
-                              units: 'm',
-                              projection: "EPSG:41001" });
+   map = new OpenLayers.Map(divName, {
+      controls: options.controls || [
+         new OpenLayers.Control.ArgParser(),
+         new OpenLayers.Control.Attribution(),
+         new OpenLayers.Control.LayerSwitcher(),
+         new OpenLayers.Control.Navigation(),
+         new OpenLayers.Control.PanZoom(),
+         new OpenLayers.Control.PanZoomBar()
+      ],
+      units: "m",
+      maxResolution: 156543.0339,
+      numZoomLevels: 20,
+      displayProjection: new OpenLayers.Projection("EPSG:4326")
+   });

 
 

-   var mapnik = new OpenLayers.Layer.TMS("Mapnik",
-                                         "http://tile.openstreetmap.org/",
-                                         { type: 'png', getURL: getTileURL, displayOutsideMaxExtent: true });
+   var mapnik = new OpenLayers.Layer.OSM.Mapnik(i18n("javascripts.map.base.mapnik"), {
+      displayOutsideMaxExtent: true,
+      wrapDateLine: true
+   });

    map.addLayer(mapnik);
 
    map.addLayer(mapnik);
 

-   var osmarender = new OpenLayers.Layer.TMS("Osmarender",
-                                             "http://dev.openstreetmap.org/~ojw/Tiles/tile.php/",
-                                             { type: 'png', getURL: getTileURL, displayOutsideMaxExtent: true });
+   var osmarender = new OpenLayers.Layer.OSM.Osmarender(i18n("javascripts.map.base.osmarender"), {
+      displayOutsideMaxExtent: true,
+      wrapDateLine: true
+   });

    map.addLayer(osmarender);
 
    map.addLayer(osmarender);
 

-   map.addControl(new OpenLayers.Control.LayerSwitcher());
-   map.setCenter(centre, zoom);
+   var cyclemap = new OpenLayers.Layer.OSM.CycleMap(i18n("javascripts.map.base.cycle_map"), {
+      displayOutsideMaxExtent: true,
+      wrapDateLine: true
+   });
+   map.addLayer(cyclemap);
+
+   var nonamekey = nonamekeys[document.domain];
+   var noname = new OpenLayers.Layer.OSM(i18n("javascripts.map.base.noname"), [
+      "http://a.tile.cloudmade.com/" + nonamekey + "/3/256/${z}/${x}/${y}.png",
+      "http://b.tile.cloudmade.com/" + nonamekey + "/3/256/${z}/${x}/${y}.png",
+      "http://c.tile.cloudmade.com/" + nonamekey + "/3/256/${z}/${x}/${y}.png"
+   ], {
+      displayOutsideMaxExtent: true,
+      wrapDateLine: true,
+      numZoomLevels: 19
+   });
+   map.addLayer(noname);
+
+   var maplint = new OpenLayers.Layer.OSM.Maplint(i18n("javascripts.map.overlays.maplint"), {
+      displayOutsideMaxExtent: true,
+      wrapDateLine: true
+   });
+   map.addLayer(maplint);
+
+   var numZoomLevels = Math.max(mapnik.numZoomLevels, osmarender.numZoomLevels);
+
+   markers = new OpenLayers.Layer.Markers("Markers", {
+      displayInLayerSwitcher: false,
+      numZoomLevels: numZoomLevels,
+      maxExtent: new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508),
+      maxResolution: 156543,
+      units: "m",
+      projection: "EPSG:900913"
+   });
+   map.addLayer(markers);

 
    return map;
 }
 
 
    return map;
 }
 

-function getTileURL(bounds) {
-   var res = this.map.getResolution();
-   var x = Math.round((bounds.left - this.maxExtent.left) / (res * this.tileSize.w));
-   var y = Math.round((this.maxExtent.top - bounds.top) / (res * this.tileSize.h));
-   var z = this.map.getZoom();
-   var limit = Math.pow(2, z);
+function getArrowIcon() {
+   var size = new OpenLayers.Size(25, 22);
+   var offset = new OpenLayers.Pixel(-30, -27);
+   var icon = new OpenLayers.Icon("/images/arrow.png", size, offset);

 
 

-   if (y < 0 || y >= limit)
-   {
-     return null;
-   }
-   else
-   {
-     x = ((x % limit) + limit) % limit;
-
-     return this.url + z + "/" + x + "/" + y + "." + this.type;
-   }
+   return icon;

 }
 
 function addMarkerToMap(position, icon, description) {
 }
 
 function addMarkerToMap(position, icon, description) {

-   if (markers == null) {
-      markers = new OpenLayers.Layer.Markers("markers");
-      map.addLayer(markers);
-   }
-
-   var marker = new OpenLayers.Marker(position, icon);
+   var marker = new OpenLayers.Marker(position.clone().transform(epsg4326, map.getProjectionObject()), icon);

 
    markers.addMarker(marker);
 
 
    markers.addMarker(marker);
 


@@ -66,20 +102,77 @@ function addMarkerToMap(position, icon, description) {
    return marker;
 }
 
    return marker;
 }
 

-function openMapPopup(marker, description) {
-//   var box = document.createElement("div");
-//   box.innerHTML = description;
-//   box.style.display = 'none';
-//   box.style.width = "200px";
-//   document.body.appendChild(box);
+function addObjectToMap(url, zoom, callback) {
+   var layer = new OpenLayers.Layer.GML("Objects", url, {
+      format: OpenLayers.Format.OSM,
+      style: {
+          strokeColor: "blue",
+          strokeWidth: 3,
+          strokeOpacity: 0.5,
+          fillOpacity: 0.2,
+          fillColor: "lightblue",
+          pointRadius: 6
+      },
+      projection: new OpenLayers.Projection("EPSG:4326"),
+      displayInLayerSwitcher: false
+   });
+
+   layer.events.register("loadend", layer, function() {
+      var extent;
+
+      if (this.features.length) {
+         extent = this.features[0].geometry.getBounds();
+
+         for (var i = 1; i < this.features.length; i++) {
+            extent.extend(this.features[i].geometry.getBounds());
+         }
+
+         if (zoom) {
+            if (extent) {
+               this.map.zoomToExtent(extent);
+            } else {
+               this.map.zoomToMaxExtent();
+            }
+         }
+      }
+
+      if (callback) {
+         callback(extent);
+      }
+   });
+
+   map.addLayer(layer);
+
+   layer.loadGML();
+}
+
+function addBoxToMap(boxbounds) {
+   if (!vectors) {
+     // Be aware that IE requires Vector layers be initialised on page load, and not under deferred script conditions
+     vectors = new OpenLayers.Layer.Vector("Boxes", {
+        displayInLayerSwitcher: false
+     });
+     map.addLayer(vectors);
+   }
+   var geometry = boxbounds.toGeometry().transform(epsg4326, map.getProjectionObject());
+   var box = new OpenLayers.Feature.Vector(geometry, {}, {
+      strokeWidth: 2,
+      strokeColor: '#ee9900',
+      fillOpacity: 0
+   });
+
+   vectors.addFeatures(box);
+
+   return box;
+}

 
 

+function openMapPopup(marker, description) {

    closeMapPopup();
 
    closeMapPopup();
 

-   popup = new OpenLayers.Popup.AnchoredBubble("popup", marker.lonlat,
-                                               new OpenLayers.Size(200, 50),
-                                               "<p>" + description + "</p>",
-                                               marker.icon, true);
+   popup = new OpenLayers.Popup.AnchoredBubble("popup", marker.lonlat, null,
+                                               description, marker.icon, true);

    popup.setBackgroundColor("#E3FFC5");
    popup.setBackgroundColor("#E3FFC5");

+   popup.autoSize = true;

    map.addPopup(popup);
 
    return popup;
    map.addPopup(popup);
 
    return popup;


@@ -96,22 +189,75 @@ function removeMarkerFromMap(marker){
    markers.removeMarker(marker);
 }
 
    markers.removeMarker(marker);
 }
 

-function mercatorToLonLat(merc) {
-   var lon = (merc.lon / 20037508.34) * 180;
-   var lat = (merc.lat / 20037508.34) * 180;
+function removeBoxFromMap(box){
+   vectors.removeFeature(box);
+}
+
+function getMapCenter() {
+   return map.getCenter().clone().transform(map.getProjectionObject(), epsg4326);
+}
+
+function setMapCenter(center, zoom) {
+   zoom = parseInt(zoom);
+   var numzoom = map.getNumZoomLevels();
+   if (zoom >= numzoom) zoom = numzoom - 1;
+   map.setCenter(center.clone().transform(epsg4326, map.getProjectionObject()), zoom);
+}
+
+function setMapExtent(extent) {
+   map.zoomToExtent(extent.clone().transform(epsg4326, map.getProjectionObject()));
+}
+
+function getMapExtent() {
+   return map.getExtent().clone().transform(map.getProjectionObject(), epsg4326);
+}
+
+function getMapZoom() {
+   return map.getZoom();
+}
+
+function getEventPosition(event) {
+   return map.getLonLatFromViewPortPx(event.xy).clone().transform(map.getProjectionObject(), epsg4326);
+}
+
+function getMapLayers() {
+   var layerConfig = "";

 
 

-   lat = 180/Math.PI * (2 * Math.atan(Math.exp(lat * Math.PI / 180)) - Math.PI / 2);
+   for (var layers = map.getLayersBy("isBaseLayer", true), i = 0; i < layers.length; i++) {
+      layerConfig += layers[i] == map.baseLayer ? "B" : "0";
+   }
+
+   for (var layers = map.getLayersBy("isBaseLayer", false), i = 0; i < layers.length; i++) {
+      layerConfig += layers[i].getVisibility() ? "T" : "F";
+   }

 
 

-   return new OpenLayers.LonLat(lon, lat);
+   return layerConfig;

 }
 
 }
 

-function lonLatToMercator(ll) {
-   var lon = ll.lon * 20037508.34 / 180;
-   var lat = Math.log(Math.tan((90 + ll.lat) * Math.PI / 360)) / (Math.PI / 180);
+function setMapLayers(layerConfig) {
+   var l = 0;

 
 

-   lat = lat * 20037508.34 / 180;
+   for (var layers = map.getLayersBy("isBaseLayer", true), i = 0; i < layers.length; i++) {
+      var c = layerConfig.charAt(l++);

 
 

-   return new OpenLayers.LonLat(lon, lat);
+      if (c == "B") {
+         map.setBaseLayer(layers[i]);
+      }
+   }
+
+   while (layerConfig.charAt(l) == "B" || layerConfig.charAt(l) == "0") {
+      l++;
+   }
+
+   for (var layers = map.getLayersBy("isBaseLayer", false), i = 0; i < layers.length; i++) {
+      var c = layerConfig.charAt(l++);
+
+      if (c == "T") {
+         layers[i].setVisibility(true);
+      } else if(c == "F") {
+         layers[i].setVisibility(false);
+      }
+   }

 }
 
 function scaleToZoom(scale) {
 }
 
 function scaleToZoom(scale) {