add 'scatter-like' category

- to easily combine logic for scatter* trace types
  that use scatter/subtypes.js

Author: etpinard

src/components/modebar/manage.js

@@ -121,7 +121,7 @@ function getButtonGroups(gd, buttonsToRemove, buttonsToAdd) {
     if(((hasCartesian || hasGL2D) && !allAxesFixed) || hasTernary) {
         dragModeGroup = ['zoom2d', 'pan2d'];
     }
-    if((hasCartesian || hasTernary || hasGL2D) && isSelectable(fullData)) {
+    if(isSelectable(fullData)) {
         dragModeGroup.push('select2d');
         dragModeGroup.push('lasso2d');
     }
@@ -173,7 +173,7 @@ function isSelectable(fullData) {
 
         if(!trace._module || !trace._module.selectPoints) continue;
 
-        if(trace.type === 'scatter' || trace.type === 'scatterternary' || trace.type === 'scattergl') {
+        if(Registry.traceIs(trace, 'scatter-like')) {
             if(scatterSubTypes.hasMarkers(trace) || scatterSubTypes.hasText(trace)) {
                 selectable = true;
             }

src/traces/scatter/index.js

@@ -34,7 +34,7 @@ Scatter.animatable = true;
 Scatter.moduleType = 'trace';
 Scatter.name = 'scatter';
 Scatter.basePlotModule = require('../../plots/cartesian');
-Scatter.categories = ['cartesian', 'symbols', 'markerColorscale', 'errorBarsOK', 'showLegend'];
+Scatter.categories = ['cartesian', 'symbols', 'markerColorscale', 'errorBarsOK', 'showLegend', 'scatter-like'];
 Scatter.meta = {
     description: [
         'The scatter trace type encompasses line charts, scatter charts, text charts, and bubble charts.',

src/traces/scattergl/index.js

@@ -23,7 +23,7 @@ ScatterGl.selectPoints = require('./select');
 ScatterGl.moduleType = 'trace';
 ScatterGl.name = 'scattergl';
 ScatterGl.basePlotModule = require('../../plots/gl2d');
-ScatterGl.categories = ['gl2d', 'symbols', 'errorBarsOK', 'markerColorscale', 'showLegend'];
+ScatterGl.categories = ['gl2d', 'symbols', 'errorBarsOK', 'markerColorscale', 'showLegend', 'scatter-like'];
 ScatterGl.meta = {
     description: [
         'The data visualized as scatter point or lines is set in `x` and `y`',

src/traces/scattermapbox/index.js

@@ -22,7 +22,7 @@ ScatterMapbox.plot = require('./plot');
 ScatterMapbox.moduleType = 'trace';
 ScatterMapbox.name = 'scattermapbox';
 ScatterMapbox.basePlotModule = require('../../plots/mapbox');
-ScatterMapbox.categories = ['mapbox', 'gl', 'symbols', 'markerColorscale', 'showLegend'];
+ScatterMapbox.categories = ['mapbox', 'gl', 'symbols', 'markerColorscale', 'showLegend', 'scatterlike'];
 ScatterMapbox.meta = {
     hrName: 'scatter_mapbox',
     description: [

src/traces/scatterternary/index.js

@@ -22,7 +22,7 @@ ScatterTernary.selectPoints = require('./select');
 ScatterTernary.moduleType = 'trace';
 ScatterTernary.name = 'scatterternary';
 ScatterTernary.basePlotModule = require('../../plots/ternary');
-ScatterTernary.categories = ['ternary', 'symbols', 'markerColorscale', 'showLegend'];
+ScatterTernary.categories = ['ternary', 'symbols', 'markerColorscale', 'showLegend', 'scatter-like'];
 ScatterTernary.meta = {
     hrName: 'scatter_ternary',
     description: [