Fix: visible = legendonly in scattermapbox worked wrong

draftlogs/6567_fix.md

@@ -0,0 +1 @@
+ - Fix scattermapbox visibility restyle [[#6567](https://github.com/plotly/plotly.js/pull/6567)]

src/traces/scattermapbox/plot.js

@@ -56,8 +56,12 @@ proto.addSource = function(k, opts, cluster) {
             clusterMaxZoom: cluster.maxzoom,
         });
     }
-
-    this.subplot.map.addSource(this.sourceIds[k], sourceOpts);
+    var isSourceExists = this.subplot.map.getSource(this.sourceIds[k]);
+    if(isSourceExists) {
+        isSourceExists.setData(opts.geojson);
+    } else {
+        this.subplot.map.addSource(this.sourceIds[k], sourceOpts);
+    }
 };
 
 proto.setSourceData = function(k, opts) {
@@ -77,7 +81,24 @@ proto.addLayer = function(k, opts, below) {
     if(opts.filter) {
         source.filter = opts.filter;
     }
-    this.subplot.addLayer(source, below);
+    var currentLayerId = this.layerIds[k];
+    var layerExist;
+    var layers = this.subplot.getMapLayers();
+    for(var i = 0; i < layers.length; i++) {
+        if(layers[i].id === currentLayerId) {
+            layerExist = true;
+            break;
+        }
+    }
+
+    if(layerExist) {
+        this.subplot.setOptions(currentLayerId, 'setLayoutProperty', source.layout);
+        if(source.layout.visibility === 'visible') {
+            this.subplot.setOptions(currentLayerId, 'setPaintProperty', source.paint);
+        }
+    } else {
+        this.subplot.addLayer(source, below);
+    }
 };
 
 proto.update = function update(calcTrace) {

test/jasmine/tests/scattermapbox_test.js

@@ -1253,3 +1253,47 @@ describe('Test plotly events on a scattermapbox plot when css transform is prese
         });
     });
 });
+
+describe('scattermapbox restyle', function() {
+    var gd;
+
+    beforeAll(function() {
+        Plotly.setPlotConfig({
+            mapboxAccessToken: require('../../../build/credentials.json').MAPBOX_ACCESS_TOKEN
+        });
+
+        gd = createGraphDiv();
+    });
+
+    afterAll(function() {
+        Plotly.purge(gd);
+        destroyGraphDiv();
+    });
+
+    it('@gl should be able to update legendonly to visible', function(done) {
+        Plotly.newPlot(gd, {
+            data: [{
+                lat: [0, 2], lon: [0, 2],
+                type: 'scattermapbox',
+                mode: 'lines',
+                visible: 'legendonly'
+            },
+            {
+                lat: [0, 2], lon: [2, 0],
+                type: 'scattermapbox',
+                mode: 'lines',
+                visible: true
+            }
+            ], layout: {
+                mapbox: {
+                    style: 'open-street-map',
+                    zoom: 6,
+                    center: { lat: 1, lon: 1 }
+                },
+                showlegend: true
+            }
+        }).then(function() {
+            return Plotly.restyle(gd, 'visible', true);
+        }).then(done, done.fail);
+    });
+});