border overlay stub

server/static/js/overlays/AbstractGeoJsonOverlay.js

@@ -47,10 +47,15 @@ var AbstractGeoJsonOverlay = L.LayerGroup.extend({
     return 7;
   },
 
+  getMinDisplayedZoom: function(){
+    return 13;
+  },
+
   reDraw: function(){
     var self = this;
+    var zoom = this.map.getZoom();
 
-    if (this.map.getZoom() < this.getMaxDisplayedZoom()) {
+    if (zoom < this.getMaxDisplayedZoom() || zoom > this.getMinDisplayedZoom()) {
       this.clearLayers();
       return;
     }

server/static/js/overlays/BorderOverlay.js

@@ -0,0 +1,66 @@
+'use strict';
+
+var BorderOverlay = AbstractGeoJsonOverlay.extend({
+  initialize: function(wsChannel, layerMgr) {
+    AbstractGeoJsonOverlay.prototype.initialize.call(this, wsChannel, layerMgr, "border");
+  },
+
+  createGeoJson: function(objects){
+    var self = this;
+
+    var geoJsonLayer = L.geoJSON([], {
+      onEachFeature: function(feature, layer){
+        if (feature.properties && feature.properties.popupContent) {
+          layer.bindPopup(feature.properties.popupContent);
+        }
+      }
+    });
+
+    var borders = [];
+
+    objects.forEach(function(obj){
+      if (!obj.attributes.name)
+        return
+
+      var border = borders[obj.attributes.name];
+      if (!border){
+        border = [];
+        borders[obj.attributes.name] = border;
+      }
+
+      border.push(obj);
+    });
+
+    //Order by index and display
+    Object.keys(borders).forEach(function(bordername){
+      borders[bordername].sort(function(a,b){
+        return parseInt(a.attributes.index) - parseInt(b.attributes.index);
+      });
+
+      var coords = [];
+
+      //Add stations
+      borders[bordername].forEach(function(entry){
+        coords.push([entry.x, entry.z]);
+      });
+
+      var feature = {
+        "type":"Feature",
+        "geometry": {
+          "type":"LineString",
+          "coordinates":coords
+        },
+        "properties":{
+            "name": linename,
+            "popupContent": "<b>Border (" + bordername + ")</b>"
+        }
+      }
+
+      //line-points
+      geoJsonLayer.addData(feature);
+    });
+
+    return geoJsonLayer;
+  }
+
+});

server/static/manifest.js

@@ -18,6 +18,7 @@
     "/js/overlays/PlayerOverlay.js",
     "/js/overlays/TrainOverlay.js",
     "/js/overlays/TrainlineOverlay.js",
+    "/js/overlays/BorderOverlay.js",
     "/js/overlays/ProtectorOverlay.js",
     "/js/overlays/XPProtectorOverlay.js",
     "/js/overlays/PrivProtectorOverlay.js",