Merge 8377:8381 from trunk.

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

diff --git a/public/javascripts/map.js b/public/javascripts/map.js
index 42ee49358fd6568b2b8a1cccaa37aecf5ac83054..291fd18fa29ff645520a1038b0dfa92e338d9bc6 100644 (file)
--- a/public/javascripts/map.js
+++ b/public/javascripts/map.js
@@ -1,3 +1,4 @@
+var epsg4326 = new OpenLayers.Projection("EPSG:4326");
 var map;
 var markers;
 var popup;
@@ -5,19 +6,25 @@ var popup;
 OpenLayers._getScriptLocation = function () {
    return "/openlayers/";
 }
-   
-function createMap(divName) {
+
+function createMap(divName, options) {
+   options = options || {};
+
    map = new OpenLayers.Map(divName, {
-      controls: [
-         new OpenLayers.Control.ArgParser(), 
+      controls: options.controls || [
+         new OpenLayers.Control.ArgParser(),
          new OpenLayers.Control.Attribution(),
          new OpenLayers.Control.LayerSwitcher(),
-         new OpenLayers.Control.Navigation(), 
-         new OpenLayers.Control.PanZoomBar()
-      ]
+         new OpenLayers.Control.Navigation(),
+         new OpenLayers.Control.PanZoomBar(),
+         new OpenLayers.Control.ScaleLine()
+      ],
+      units: "m",
+      maxResolution: 156543.0339,
+      numZoomLevels: 20
    });
 
-   var mapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik", { 
+   var mapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik", {
       displayOutsideMaxExtent: true,
       wrapDateLine: true
    });
@@ -29,14 +36,20 @@ function createMap(divName) {
    });
    map.addLayer(osmarender);
 
-   var mapnik_local = new OpenLayers.Layer.OSM("Mapnik (Local)", "http://bericote.uk.cyberscience.com/tiles/", { 
+   var cyclemap = new OpenLayers.Layer.OSM.CycleMap("Cycle Map", {
+      displayOutsideMaxExtent: true,
+      wrapDateLine: true
+   });
+   map.addLayer(cyclemap);
+
+   var maplint = new OpenLayers.Layer.OSM.Maplint("Maplint", {
       displayOutsideMaxExtent: true,
       wrapDateLine: true
    });
-   map.addLayer(mapnik_local);
+   map.addLayer(maplint);
 
    var numZoomLevels = Math.max(mapnik.numZoomLevels, osmarender.numZoomLevels);
-   markers = new OpenLayers.Layer.Markers("Markers", { 
+   markers = new OpenLayers.Layer.Markers("Markers", {
       displayInLayerSwitcher: false,
       numZoomLevels: numZoomLevels,
       maxExtent: new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508),
@@ -58,7 +71,7 @@ function getArrowIcon() {
 }
 
 function addMarkerToMap(position, icon, description) {
-   var marker = new OpenLayers.Marker(position, icon);
+   var marker = new OpenLayers.Marker(position.clone().transform(epsg4326, map.getProjectionObject()), icon);
 
    markers.addMarker(marker);
 
@@ -72,11 +85,10 @@ function addMarkerToMap(position, icon, description) {
 function openMapPopup(marker, description) {
    closeMapPopup();
 
-   popup = new OpenLayers.Popup.AnchoredBubble("popup", marker.lonlat,
-                                               sizeMapPopup(description),
-                                               "<p style='padding-right: 28px'>" + description + "</p>",
-                                               marker.icon, true);
+   popup = new OpenLayers.Popup.AnchoredBubble("popup", marker.lonlat, null,
+                                               description, marker.icon, true);
    popup.setBackgroundColor("#E3FFC5");
+   popup.autoSize = true;
    map.addPopup(popup);
 
    return popup;
@@ -89,76 +101,68 @@ function closeMapPopup() {
    }
 }
 
-function sizeMapPopup(text) {
-   var box = document.createElement("div");
-
-   box.innerHTML = text;
-   box.style.visibility = "hidden";
-   box.style.position = "absolute";
-   box.style.top = "0px";
-   box.style.left = "0px";
-   box.style.width = "200px";
-   box.style.height = "auto";
+function removeMarkerFromMap(marker){
+   markers.removeMarker(marker);
+}
 
-   document.body.appendChild(box);
+function getMapCenter(center, zoom) {
+   return map.getCenter().clone().transform(map.getProjectionObject(), epsg4326);
+}
 
-   var width = box.offsetWidth;
-   var height = box.offsetHeight;
+function setMapCenter(center, zoom) {
+   map.setCenter(center.clone().transform(epsg4326, map.getProjectionObject()), zoom);
+}
 
-   document.body.removeChild(box);
+function setMapExtent(extent) {
+   map.zoomToExtent(extent.clone().transform(epsg4326, map.getProjectionObject()));
+}
 
-   return new OpenLayers.Size(width + 30, height + 24);
+function getMapExtent(extent) {
+   return map.getExtent().clone().transform(map.getProjectionObject(), epsg4326);
 }
 
-function removeMarkerFromMap(marker){
-   markers.removeMarker(marker);
+function getEventPosition(event) {
+   return map.getLonLatFromViewPortPx(event.xy).clone().transform(map.getProjectionObject(), epsg4326);
 }
 
 function getMapLayers() {
-   var layers = "";
+   var layerConfig = "";
 
-   for (var i=0; i< this.map.layers.length; i++) {
-      var layer = this.map.layers[i];
+   for (var layers = map.getLayersBy("isBaseLayer", true), i = 0; i < layers.length; i++) {
+      layerConfig += layers[i] == map.baseLayer ? "B" : "0";
+   }
 
-      if (layer.isBaseLayer) {
-         layers += (layer == this.map.baseLayer) ? "B" : "0";
-      } else {
-         layers += (layer.getVisibility()) ? "T" : "F";
-      }
+   for (var layers = map.getLayersBy("isBaseLayer", false), i = 0; i < layers.length; i++) {
+      layerConfig += layers[i].getVisibility() ? "T" : "F";
    }
 
-   return layers;
+   return layerConfig;
 }
 
-function setMapLayers(layers) {
-   for (var i=0; i < layers.length; i++) {
-      var layer = map.layers[i];
-      var c = layers.charAt(i);
+function setMapLayers(layerConfig) {
+   var l = 0;
+
+   for (var layers = map.getLayersBy("isBaseLayer", true), i = 0; i < layers.length; i++) {
+      var c = layerConfig.charAt(l++);
 
       if (c == "B") {
-         map.setBaseLayer(layer);
-      } else if ( (c == "T") || (c == "F") ) {
-         layer.setVisibility(c == "T");
+         map.setBaseLayer(layers[i]);
       }
    }
-}
-
-function mercatorToLonLat(merc) {
-   var lon = (merc.lon / 20037508.34) * 180;
-   var lat = (merc.lat / 20037508.34) * 180;
 
-   lat = 180/Math.PI * (2 * Math.atan(Math.exp(lat * Math.PI / 180)) - Math.PI / 2);
-
-   return new OpenLayers.LonLat(lon, lat);
-}
-
-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);
+   while (layerConfig.charAt(l) == "B" || layerConfig.charAt(l) == "0") {
+      l++;
+   }
 
-   lat = lat * 20037508.34 / 180;
+   for (var layers = map.getLayersBy("isBaseLayer", false), i = 0; i < layers.length; i++) {
+      var c = layerConfig.charAt(l++);
 
-   return new OpenLayers.LonLat(lon, lat);
+      if (c == "T") {
+         layers[i].setVisibility(true);
+      } else if(c == "F") {
+         layers[i].setVisibility(false);
+      }
+   }
 }
 
 function scaleToZoom(scale) {