google-map-react/develop/GMapOptim.js
2016-06-15 19:27:27 +03:00

109 lines
3.0 KiB
JavaScript

// Example to test the React Reconciler. This example
// is 100x faster in development mode,
// and 1.5-2x faster with NODE_ENV==='production'
// The idea was to not draw map children on hovers, but subscribe inside children on hover change
// see ./markers/ReactiveMarker source
import React from 'react';
import compose from 'recompose/compose';
import defaultProps from 'recompose/defaultProps';
import withStateSelector from './utils/withStateSelector';
import withHandlers from 'recompose/withHandlers';
import withState from 'recompose/withState';
import withPropsOnChange from 'recompose/withPropsOnChange';
import ptInBounds from './utils/ptInBounds';
import GoogleMapReact from '../src';
// import SimpleMarker from './markers/SimpleMarker';
import ReactiveMarker from './markers/ReactiveMarker';
import { createSelector } from 'reselect';
import { susolvkaCoords, generateMarkers } from './data/fakeData';
import props2Stream from './utils/props2Stream';
export const gMap = ({
style, hoverDistance, options,
mapParams: { center, zoom },
onChange, onChildMouseEnter, onChildMouseLeave,
markers,
}) => (
<GoogleMapReact
style={style}
options={options}
hoverDistance={hoverDistance}
center={center}
zoom={zoom}
onChange={onChange}
onChildMouseEnter={onChildMouseEnter}
onChildMouseLeave={onChildMouseLeave}
experimental
>
{markers}
</GoogleMapReact>
);
export const gMapHOC = compose(
defaultProps({
clusterRadius: 60,
hoverDistance: 30,
options: {
minZoom: 3,
maxZoom: 15,
},
style: {
position: 'relative',
margin: 0,
padding: 0,
flex: 1,
},
}),
// withState so you could change markers if you want
withStateSelector(
'markers',
'setMarkers',
() => createSelector(
({ route: { markersCount = 20 } }) => markersCount,
(markersCount) => generateMarkers(markersCount)
)
),
withState('hoveredMarkerId', 'setHoveredMarkerId', -1),
withState('mapParams', 'setMapParams', { center: susolvkaCoords, zoom: 6 }),
// describe events
withHandlers({
onChange: ({ setMapParams }) => ({ center, zoom, bounds }) => {
setMapParams({ center, zoom, bounds });
},
onChildMouseEnter: ({ setHoveredMarkerId }) => (hoverKey, { id }) => {
setHoveredMarkerId(id);
},
onChildMouseLeave: ({ setHoveredMarkerId }) => () => {
setHoveredMarkerId(-1);
},
}),
withPropsOnChange(
['markers', 'mapParams'],
({ markers, mapParams: { bounds } }) => ({
markers: bounds
? markers.filter(m => ptInBounds(bounds, m))
: [],
})
),
props2Stream('hoveredMarkerId'),
withPropsOnChange(
['markers', 'hoveredMarkerId$'],
({ markers, hoveredMarkerId$ }) => ({
markers: markers
.map(({ ...markerProps, id }) => (
<ReactiveMarker
key={id}
id={id}
hoveredMarkerId$={hoveredMarkerId$}
{...markerProps}
/>
)),
})
)
);
export default gMapHOC(gMap);