antv-l7/dev-demos/component/control/remove.tsx

64 lines
1.3 KiB
TypeScript

import { GaodeMap, Scene, Zoom } from '@antv/l7';
import React, { useState } from 'react';
// tslint:disable-next-line:no-duplicate-imports
import { FunctionComponent, useEffect } from 'react';
const Demo: FunctionComponent = () => {
const [scene, setScene] = useState<Scene | null>(null);
const [zoom, setZoom] = useState<Zoom | null>(null);
useEffect(() => {
const newScene = new Scene({
id: 'map',
map: new GaodeMap({
style: 'dark',
center: [120, 30],
pitch: 0,
zoom: 6.45,
}),
// logoVisible: false,
});
newScene.on('loaded', () => {
setScene(newScene);
});
}, []);
return (
<>
<button
disabled={!!zoom}
onClick={() => {
if (!zoom) {
const newZoom = new Zoom();
scene?.addControl(newZoom);
setZoom(newZoom);
}
}}
>
</button>
<button
disabled={!zoom}
onClick={() => {
if (zoom) {
scene?.removeControl(zoom);
setZoom(null);
}
}}
>
</button>
<div
id="map"
style={{
height: '500px',
position: 'relative',
}}
/>
</>
);
};
export default Demo;