Potlatch 1.2a

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

diff --git a/public/javascripts/map.js b/public/javascripts/map.js
index 3cfa2f9a1dace745cc8ecf22faa55b40d26f082b..f79e3ae31632140946221eec0c08d8fea0d0e8f5 100644 (file)
--- a/public/javascripts/map.js
+++ b/public/javascripts/map.js
@@ -14,7 +14,7 @@ var nonamekeys = {
 };
 
 OpenLayers._getScriptLocation = function () {
-  // Should really have this file as an erb, so that this can return 
+  // Should really have this file as an erb, so that this can return
   // the real rails root
    return "/openlayers/";
 }
@@ -57,9 +57,9 @@ function createMap(divName, options) {
 
    var nonamekey = nonamekeys[document.domain];
    var noname = new OpenLayers.Layer.OSM("NoName", [
-      "http://a.tile.cloudmade.com/" + nonamekey + "/3/256/",
-      "http://b.tile.cloudmade.com/" + nonamekey + "/3/256/",
-      "http://c.tile.cloudmade.com/" + nonamekey + "/3/256/"
+      "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,
@@ -74,6 +74,7 @@ function createMap(divName, options) {
    map.addLayer(maplint);
 
    var numZoomLevels = Math.max(mapnik.numZoomLevels, osmarender.numZoomLevels);
+
    markers = new OpenLayers.Layer.Markers("Markers", {
       displayInLayerSwitcher: false,
       numZoomLevels: numZoomLevels,
@@ -83,17 +84,6 @@ function createMap(divName, options) {
       projection: "EPSG:900913"
    });
    map.addLayer(markers);
-   
-   vectors = new OpenLayers.Layer.Vector("Vectors", {
-      displayInLayerSwitcher: false,
-      numZoomLevels: numZoomLevels,
-      maxExtent: new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508),
-      maxResolution: 156543,
-      units: "m",
-      projection: "EPSG:900913"
-   });
-   map.addLayer(vectors);
-   
 
    return map;
 }
@@ -118,14 +108,65 @@ function addMarkerToMap(position, icon, description) {
    return marker;
 }
 
+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("Box Layer", {
+        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,
+      fillOpacity: 0
    });
-   
+
    vectors.addFeatures(box);
 
    return box;