[Fix] Auto-display legend in split mode + Fix legend and layer panel bugs

src/components/src/common/checkbox.tsx

@@ -43,7 +43,7 @@ const StyledRadiuInput = styled.label<StyledSwitchInputProps>`
 
 const HiddenInput = styled.input`
   position: absolute;
-  display: none;
+  opacity: 0;
 `;
 
 interface StyledCheckboxProps {

src/components/src/common/data-table/grid.tsx

@@ -25,6 +25,29 @@ import isEqual from 'lodash.isequal';
 export default class GridHack extends PureComponent<GridProps> {
   grid: Grid | null = null;
 
+  componentDidUpdate(preProps) {
+    /*
+     * This hack exists because in react-virtualized the
+     * _columnWidthGetter is only called in the constructor
+     * even though it is reassigned with new props resulting in
+     * a new width for cells not being calculated so we must
+     * force trigger a resize.
+     *
+     * https://github.com/bvaughn/react-virtualized/blob/master/source/Grid/Grid.js#L322
+     *
+     */
+    if (!isEqual(preProps.cellSizeCache, this.props.cellSizeCache)) {
+      this.grid?.recomputeGridSize();
+    }
+  }
+
+  componentWillUnmount() {
+    //@ts-expect-error _scrollingContainer not typed in Grid
+    this.grid?._scrollingContainer?.removeEventListener('wheel', this._preventScrollBack, {
+      passive: false
+    });
+  }
+
   _preventScrollBack = e => {
     const {scrollLeft} = this.props;
     if (scrollLeft !== undefined && scrollLeft <= 0 && e.deltaX < 0) {
@@ -50,28 +73,6 @@ export default class GridHack extends PureComponent<GridProps> {
       });
     }
   };
-  componentWillUnmount() {
-    //@ts-expect-error _scrollingContainer not typed in Grid
-    this.grid?._scrollingContainer?.removeEventListener('wheel', this._preventScrollBack, {
-      passive: false
-    });
-  }
-
-  componentDidUpdate(preProps) {
-    /*
-     * This hack exists because in react-virtualized the
-     * _columnWidthGetter is only called in the constructor
-     * even though it is reassigned with new props resulting in
-     * a new width for cells not being calculated so we must
-     * force trigger a resize.
-     *
-     * https://github.com/bvaughn/react-virtualized/blob/master/source/Grid/Grid.js#L322
-     *
-     */
-    if (!isEqual(preProps.cellSizeCache, this.props.cellSizeCache)) {
-      this.grid?.recomputeGridSize();
-    }
-  }
 
   render() {
     const {setGridRef, ...rest} = this.props;

src/reducers/src/combined-updaters.ts

@@ -20,14 +20,20 @@
 
 import {
   toggleModalUpdater,
-  loadFilesSuccessUpdater as uiStateLoadFilesSuccessUpdater
+  loadFilesSuccessUpdater as uiStateLoadFilesSuccessUpdater,
+  toggleMapControlUpdater,
+  toggleSplitMapUpdater as uiStateToggleSplitMapUpdater
 } from './ui-state-updaters';
 import {
   updateVisDataUpdater as visStateUpdateVisDataUpdater,
   setMapInfoUpdater,
-  layerTypeChangeUpdater
+  layerTypeChangeUpdater,
+  toggleSplitMapUpdater as visStateToggleSplitMapUpdater
 } from './vis-state-updaters';
-import {receiveMapConfigUpdater as stateMapConfigUpdater} from './map-state-updaters';
+import {
+  receiveMapConfigUpdater as stateMapConfigUpdater,
+  toggleSplitMapUpdater as mapStateToggleSplitMapUpdater
+} from './map-state-updaters';
 import {
   mapStyleChangeUpdater,
   receiveMapConfigUpdater as styleMapConfigUpdater
@@ -40,7 +46,8 @@ import {ProviderState} from './provider-state-updaters';
 import {
   loadFilesSuccessUpdaterAction,
   MapStyleChangeUpdaterAction,
-  LayerTypeChangeUpdaterAction
+  LayerTypeChangeUpdaterAction,
+  ToggleSplitMapUpdaterAction
 } from '@kepler.gl/actions';
 import {VisState} from '@kepler.gl/schemas';
 import {Layer} from '@kepler.gl/layers';
@@ -345,3 +352,28 @@ export const combinedLayerTypeChangeUpdater = (
     visState
   };
 };
+
+/**
+ * Make mapLegend active when toggleSplitMap action is called
+ */
+export const toggleSplitMapUpdater = (
+  state: KeplerGlState,
+  action: ToggleSplitMapUpdaterAction
+): KeplerGlState => {
+  const newState = {
+    ...state,
+    visState: visStateToggleSplitMapUpdater(state.visState, action),
+    uiState: uiStateToggleSplitMapUpdater(state.uiState),
+    mapState: mapStateToggleSplitMapUpdater(state.mapState, action)
+  };
+
+  const isSplit = newState.visState.splitMaps.length !== 0;
+  const isLegendActive = newState.uiState.mapControls?.mapLegend?.active;
+  if (isSplit && !isLegendActive) {
+    newState.uiState = toggleMapControlUpdater(newState.uiState, {
+      payload: {panelId: 'mapLegend', index: action.payload}
+    });
+  }
+
+  return newState;
+};

src/reducers/src/composers.ts

@@ -29,7 +29,8 @@ const actionHandler = {
   [ActionTypes.ADD_DATA_TO_MAP]: combinedUpdaters.addDataToMapUpdater,
   [ActionTypes.MAP_STYLE_CHANGE]: combinedUpdaters.combinedMapStyleChangeUpdater,
   [ActionTypes.LAYER_TYPE_CHANGE]: combinedUpdaters.combinedLayerTypeChangeUpdater,
-  [ActionTypes.LOAD_FILES_SUCCESS]: combinedUpdaters.loadFilesSuccessUpdater
+  [ActionTypes.LOAD_FILES_SUCCESS]: combinedUpdaters.loadFilesSuccessUpdater,
+  [ActionTypes.TOGGLE_SPLIT_MAP]: combinedUpdaters.toggleSplitMapUpdater
 };
 
 export default actionHandler;

src/reducers/src/ui-state-updaters.ts

@@ -381,13 +381,7 @@ export const toggleMapControlUpdater = (
     ...state.mapControls,
     [panelId]: {
       ...state.mapControls[panelId],
-      // this handles split map interaction
-      // Toggling from within the same map will simply toggle the active property
-      // Toggling from within different maps we set the active property to true
-      active:
-        index === state.mapControls[panelId].activeMapIndex
-          ? !state.mapControls[panelId].active
-          : true,
+      active: !state.mapControls[panelId].active,
       activeMapIndex: index
     }
   }

test/browser/components/map/map-control-test.js

@@ -86,7 +86,8 @@ test('MapControlFactory - display options', t => {
     children: <MapContainer {...propsWithSplitMap} />
   });
 
-  t.equal(wrapper.find(MapControlButton).length, 6, 'Should show 6 MapControlButton');
+  // 5 control buttons as legend is opened automatically in split map mode
+  t.equal(wrapper.find(MapControlButton).length, 5, 'Should show 5 MapControlButton');
   t.equal(wrapper.find(Split).length, 0, 'Should show 0 split map split button');
   t.equal(wrapper.find(Delete).length, 1, 'Should show 1 split map delete button');
   t.equal(wrapper.find(Layers).length, 1, 'Should show 1 Layer button');
@@ -121,9 +122,10 @@ test('MapControlFactory - click options', t => {
     toggleMapControl: onToggleMapControl,
     setLocale: onSetLocale
   };
+  let updateState = keplerGlReducerCore(StateWSplitMaps, toggleMapControl('mapLegend', 0));
   const mapContainerProps = mapFieldsSelector(
     mockKeplerPropsWithState({
-      state: StateWSplitMaps,
+      state: updateState,
       visStateActions,
       mapStateActions,
       uiStateActions
@@ -140,7 +142,7 @@ test('MapControlFactory - click options', t => {
   }, 'MapContainer should not fail without props');
 
   // layer selector is not active
-  t.equal(wrapper.find(MapControlButton).length, 6, 'Should show 5 MapControlButton');
+  t.equal(wrapper.find(MapControlButton).length, 6, 'Should show 6 MapControlButton');
 
   t.equal(wrapper.find(Delete).length, 1, 'Should show 1 delete split map button');
   // click split Map

test/node/reducers/root-test.js

@@ -251,6 +251,8 @@ test('keplerGlReducer - splitMap and mapControl interaction', t => {
 
   t.equal(state.test.mapState.isSplit, true, 'Should have split map');
 
+  t.equal(state.test.uiState.mapControls.mapLegend.active, true, 'Should open map legend');
+
   state = keplerGlReducer(state, toggleMapControl('mapDraw', 1));
 
   t.equal(