refactor(monorepo): move superset-ui to superset(stage 2) (#17552)

superset-frontend/plugins/legacy-plugin-chart-map-box/src/MapBox.jsx

@@ -0,0 +1,157 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+/* eslint-disable react/jsx-sort-default-props, react/sort-prop-types */
+/* eslint-disable react/forbid-prop-types, react/require-default-props */
+import React from 'react';
+import PropTypes from 'prop-types';
+import MapGL from 'react-map-gl';
+import ViewportMercator from 'viewport-mercator-project';
+import ScatterPlotGlowOverlay from './ScatterPlotGlowOverlay';
+import './MapBox.css';
+
+const NOOP = () => {};
+export const DEFAULT_MAX_ZOOM = 16;
+export const DEFAULT_POINT_RADIUS = 60;
+
+const propTypes = {
+  width: PropTypes.number,
+  height: PropTypes.number,
+  aggregatorName: PropTypes.string,
+  clusterer: PropTypes.object,
+  globalOpacity: PropTypes.number,
+  hasCustomMetric: PropTypes.bool,
+  mapStyle: PropTypes.string,
+  mapboxApiKey: PropTypes.string.isRequired,
+  onViewportChange: PropTypes.func,
+  pointRadius: PropTypes.number,
+  pointRadiusUnit: PropTypes.string,
+  renderWhileDragging: PropTypes.bool,
+  rgb: PropTypes.array,
+  bounds: PropTypes.array,
+};
+
+const defaultProps = {
+  width: 400,
+  height: 400,
+  globalOpacity: 1,
+  onViewportChange: NOOP,
+  pointRadius: DEFAULT_POINT_RADIUS,
+  pointRadiusUnit: 'Pixels',
+};
+
+class MapBox extends React.Component {
+  constructor(props) {
+    super(props);
+
+    const { width, height, bounds } = this.props;
+    // Get a viewport that fits the given bounds, which all marks to be clustered.
+    // Derive lat, lon and zoom from this viewport. This is only done on initial
+    // render as the bounds don't update as we pan/zoom in the current design.
+    const mercator = new ViewportMercator({
+      width,
+      height,
+    }).fitBounds(bounds);
+    const { latitude, longitude, zoom } = mercator;
+
+    this.state = {
+      viewport: {
+        longitude,
+        latitude,
+        zoom,
+      },
+    };
+    this.handleViewportChange = this.handleViewportChange.bind(this);
+  }
+
+  handleViewportChange(viewport) {
+    this.setState({ viewport });
+    const { onViewportChange } = this.props;
+    onViewportChange(viewport);
+  }
+
+  render() {
+    const {
+      width,
+      height,
+      aggregatorName,
+      clusterer,
+      globalOpacity,
+      mapStyle,
+      mapboxApiKey,
+      pointRadius,
+      pointRadiusUnit,
+      renderWhileDragging,
+      rgb,
+      hasCustomMetric,
+      bounds,
+    } = this.props;
+    const { viewport } = this.state;
+    const isDragging =
+      viewport.isDragging === undefined ? false : viewport.isDragging;
+
+    // Compute the clusters based on the original bounds and current zoom level. Note when zoom/pan
+    // to an area outside of the original bounds, no additional queries are made to the backend to
+    // retrieve additional data.
+    // add this variable to widen the visible area
+    const offsetHorizontal = (width * 0.5) / 100;
+    const offsetVertical = (height * 0.5) / 100;
+    const bbox = [
+      bounds[0][0] - offsetHorizontal,
+      bounds[0][1] - offsetVertical,
+      bounds[1][0] + offsetHorizontal,
+      bounds[1][1] + offsetVertical,
+    ];
+    const clusters = clusterer.getClusters(bbox, Math.round(viewport.zoom));
+
+    return (
+      <MapGL
+        {...viewport}
+        mapStyle={mapStyle}
+        width={width}
+        height={height}
+        mapboxApiAccessToken={mapboxApiKey}
+        onViewportChange={this.handleViewportChange}
+        preserveDrawingBuffer
+      >
+        <ScatterPlotGlowOverlay
+          {...viewport}
+          isDragging={isDragging}
+          locations={clusters}
+          dotRadius={pointRadius}
+          pointRadiusUnit={pointRadiusUnit}
+          rgb={rgb}
+          globalOpacity={globalOpacity}
+          compositeOperation="screen"
+          renderWhileDragging={renderWhileDragging}
+          aggregation={hasCustomMetric ? aggregatorName : null}
+          lngLatAccessor={location => {
+            const { coordinates } = location.geometry;
+
+            return [coordinates[0], coordinates[1]];
+          }}
+        />
+      </MapGL>
+    );
+  }
+}
+
+MapBox.propTypes = propTypes;
+MapBox.defaultProps = defaultProps;
+
+export default MapBox;