all files / src/visualizations/deckgl/layers/ polygon.jsx

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import React from 'react';
import ReactDOM from 'react-dom';
 
import { PolygonLayer } from 'deck.gl';
 
import DeckGLContainer from './../DeckGLContainer';
 
import * as common from './common';
import sandboxedEval from '../../../modules/sandbox';
 
function getLayer(formData, payload, slice) {
  const fd = formData;
  const fc = fd.fill_color_picker;
  let data = payload.data.features.map(d => ({
    ...d,
    fillColor: [fc.r, fc.g, fc.b, 255 * fc.a],
  }));
 
  if (fd.js_data_mutator) {
    // Applying user defined data mutator if defined
    const jsFnMutator = sandboxedEval(fd.js_data_mutator);
    data = jsFnMutator(data);
  }
 
  return new PolygonLayer({
    id: `path-layer-${fd.slice_id}`,
    data,
    filled: fd.filled,
    stroked: fd.stoked,
    extruded: fd.extruded,
    ...common.commonLayerProps(fd, slice),
  });
}
 
function deckPolygon(slice, payload, setControlValue) {
  const layer = getLayer(slice.formData, payload, slice);
  const viewport = {
    ...slice.formData.viewport,
    width: slice.width(),
    height: slice.height(),
  };
  ReactDOM.render(
    <DeckGLContainer
      mapboxApiAccessToken={payload.data.mapboxApiKey}
      viewport={viewport}
      layers={[layer]}
      mapStyle={slice.formData.mapbox_style}
      setControlValue={setControlValue}
    />,
    document.getElementById(slice.containerId),
  );
}
 
module.exports = {
  default: deckPolygon,
  getLayer,
};