let button settings be an array

CHANGELOG.md

@@ -1,5 +1,6 @@
 ### Change Log for Node-RED Worldmap
 
+ - v2.28.2 - Let button declaration be an array
  - v2.28.1 - Fix layer command bug for non-core layers. Issue #195
  - v2.28.0 - Better Handling of sidc icons in geojson
  - v2.27.3 - Try to handle greatcircles crossing antimeridian

README.md

@@ -11,6 +11,7 @@ map web page for plotting "things" on.
 
 ### Updates
 
+- v2.28.2 - Let button declaration be an array
 - v2.28.1 - Fix layer command bug for non-core layers. Issue #195
 - v2.28.0 - Better Handling of sidc icons in geojson
 - v2.27.3 - Try to handle greatcircles crossing antimeridian
@@ -420,7 +421,7 @@ Optional properties include
  - **hiderightclick** - disables the right click that allows adding or deleting points on the map - `{"command":{"hiderightclick":true}}`
  - **coords** - turns on and off a display of the current mouse co-ordinates. Values can be "deg", "dms", or "none" (default). - `{"command":{"coords":"deg"}}`
  - **button** - if supplied with a `name` and `icon` property - adds a button to provide user input - sends
- a msg `{"action":"button", "name":"the_button_name"}` to the worldmap in node. If supplied with a `name` property only, it will remove the button. Optional `position` property can be 'bottomright', 'bottomleft', 'topleft' or 'topright' (default).
+ a msg `{"action":"button", "name":"the_button_name"}` to the worldmap in node. If supplied with a `name` property only, it will remove the button. Optional `position` property can be 'bottomright', 'bottomleft', 'topleft' or 'topright' (default). button can also be an array of button objects.
  - **contextmenu** - html string to define the right click menu when not on a marker. Defaults to the simple add marker input. Empty string `""` disables this right click.
  - **toptitle** - Words to replace title in title bar (if not in iframe)
  - **toplogo** - URL to logo image for top tile bar (if not in iframe) - ideally 60px by 24px.
@@ -445,6 +446,8 @@ to remove
 
     msg.payload.command = { "button": { "name":"My Fancy Button" } };
 
+Multiple buttons can declared by using an array of button objects.
+
 #### To add a custom popup or contextmenu
 
 You can customise a marker's popup, or context menu (right click), by setting the

package.json

@@ -1,6 +1,6 @@
 {
     "name": "node-red-contrib-web-worldmap",
-    "version": "2.28.1",
+    "version": "2.28.2",
     "description": "A Node-RED node to provide a web page of a world map for plotting things on.",
     "dependencies": {
         "@turf/bezier-spline": "~6.5.0",

worldmap/worldmap.js

@@ -2166,19 +2166,22 @@ function doCommand(cmd) {
         }
     }
     if (cmd.hasOwnProperty("button")) {
-        if (cmd.button.icon) {
-            if (!buttons[cmd.button.name]) {
-                buttons[cmd.button.name] = L.easyButton( cmd.button.icon, function() {
-                    ws.send(JSON.stringify({action:"button",name:cmd.button.name}));
-                }, cmd.button.name, { position:cmd.button.position||'topright' }).addTo(map);
+        if (!isArray(cmd.button)) { cmd.button = [cmd.button]; }
+        cmd.button.forEach(function(b) {
+            if (b.icon) {
+                if (!buttons[b.name]) {
+                    buttons[b.name] = L.easyButton( b.icon, function() {
+                        ws.send(JSON.stringify({action:"button", name:b.name}));
+                    }, b.name, { position:b.position||'topright' }).addTo(map);
+                }
             }
-        }
-        else {
-            if (buttons[cmd.button.name]) {
-                buttons[cmd.button.name].removeFrom(map);
-                delete buttons[cmd.button.name];
+            else {
+                if (buttons[b.name]) {
+                    buttons[b.name].removeFrom(map);
+                    delete buttons[b.name];
+                }
             }
-        }
+        })
     }
     if (cmd.hasOwnProperty("contextmenu")) {
         if (typeof cmd.contextmenu === "string") {