Show ruler if grib turned on, better fix for array of tracks

to close #127, to close #124

CHANGELOG.md

@@ -1,5 +1,6 @@
 ### Change Log for Node-RED Worldmap
 
+ - v2.3.6 - show ruler if grid is turned on.
  - v2.3.5 - Let tracks node handle array of points. Let http icons be rotated to hdg or bearing.
  - v2.3.4 - Add bus icon
  - v2.3.3 - Fix satellite view max zoom

package.json

@@ -1,6 +1,6 @@
 {
     "name": "node-red-contrib-web-worldmap",
-    "version": "2.3.5",
+    "version": "2.3.6",
     "description": "A Node-RED node to provide a web page of a world map for plotting things on.",
     "dependencies": {
         "cgi": "0.3.1",

worldmap.html

@@ -407,9 +407,6 @@ then by default <code>⌘⇧m</code> - <code>ctrl-shift-m</code> will load the m
                 labelStyle: function() {
                     return this.name?"node_label_italic":"";
                 },
-                info: function() {
-                    return 'The map can be found [here]('+RED.settings.httpNodeRoot.slice(0,-1)+this.path+').';
-                },
                 oneditprepare: function() {
                     $("#node-input-size").elementSizer({
                         width: "#node-input-width",

worldmap.js

@@ -55,6 +55,7 @@ module.exports = function(RED) {
         var clients = {};
         RED.httpNode.use(compression());
         RED.httpNode.use(node.path, express.static(__dirname + '/worldmap'));
+        // RED.httpNode.use(node.path, express.static(__dirname + '/worldmap', {maxage:3600000}));
 
         var callback = function(client) {
             //client.setMaxListeners(0);
@@ -346,10 +347,16 @@ module.exports = function(RED) {
         }
 
         node.on("input", function(m) {
-            if (Array.isArray(m)) { 
-                m.forEach(item => doTrack(item));
+            if (Array.isArray(m.payload)) {
+                m.payload.forEach(function (pay) {
+                    var n = RED.util.cloneMessage(m)
+                    n.payload = pay;
+                    doTrack(n);
+                });
+            }
+            else {
+                doTrack(m); 
             }
-            else { doTrack(m); }
         });
 
         node.on("close", function() {

worldmap/worldmap.js

@@ -1651,8 +1651,8 @@ function doCommand(cmd) {
             if ((cmd.grid.showgrid == "false" || cmd.grid.showgrid == false ) && showGrid) { changed = true; }
             if (changed) {
                 showGrid = !showGrid;
-                if (showGrid) { Lgrid.addTo(map); }
-                else { Lgrid.removeFrom(map); }
+                if (showGrid) { Lgrid.addTo(map); rulerButton.addTo(map); }
+                else { Lgrid.removeFrom(map); rulerButton.removeFrom(map); }
             }
         }
         if (cmd.grid.hasOwnProperty("opt")) {