plotly_relayouting for mapbox plots

Author: antoinerg

src/plots/mapbox/mapbox.js

@@ -182,6 +182,14 @@ proto.createMap = function(calcData, fullLayout, resolve, reject) {
     map.on('dragstart', unhover);
     map.on('zoomstart', unhover);
 
+    function emitUpdate() {
+        var viewNow = self.getView();
+        gd.emit('plotly_relayouting', self.getViewEdits(viewNow));
+    }
+
+    map.on('drag', emitUpdate);
+    map.on('zoom', emitUpdate);
+
     map.on('dblclick', function() {
         var optsNow = gd._fullLayout[self.id];
         Registry.call('_storeDirectGUIEdit', gd.layout, gd._fullLayout._preGUI, self.getViewEdits(optsNow));

test/jasmine/tests/mapbox_test.js

@@ -887,13 +887,18 @@ describe('@noCI, mapbox plots', function() {
     it('should respond drag / scroll / double-click interactions', function(done) {
         var relayoutCnt = 0;
         var doubleClickCnt = 0;
+        var relayoutingCnt = 0;
         var evtData;
 
         gd.on('plotly_relayout', function(d) {
             relayoutCnt++;
             evtData = d;
         });
 
+        gd.on('plotly_relayouting', function() {
+            relayoutingCnt++;
+        });
+
         gd.on('plotly_doubleclick', function() {
             doubleClickCnt++;
         });
@@ -930,20 +935,23 @@ describe('@noCI, mapbox plots', function() {
 
         _drag(pointPos, p1, function() {
             expect(relayoutCnt).toBe(1, 'relayout cnt');
+            expect(relayoutingCnt).toBe(2, 'relayouting cnt');
             expect(doubleClickCnt).toBe(0, 'double click cnt');
             _assert([-19.651, 13.751], 1.234);
 
             return _doubleClick(p1);
         })
         .then(function() {
             expect(relayoutCnt).toBe(2, 'relayout cnt');
+            expect(relayoutingCnt).toBe(2, 'relayouting cnt');
             expect(doubleClickCnt).toBe(1, 'double click cnt');
             _assert([-4.710, 19.475], 1.234);
 
             return _scroll(pointPos);
         })
         .then(function() {
             expect(relayoutCnt).toBe(3, 'relayout cnt');
+            expect(relayoutingCnt).toBeCloseTo(10, -1, 'relayouting cnt');
             expect(doubleClickCnt).toBe(1, 'double click cnt');
             expect(getMapInfo(gd).zoom).toBeGreaterThan(1.234);
         })