diff options
Diffstat (limited to 'opendc-web/opendc-web-ui/src/components/app/map/layers/HoverLayerComponent.js')
| -rw-r--r-- | opendc-web/opendc-web-ui/src/components/app/map/layers/HoverLayerComponent.js | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/opendc-web/opendc-web-ui/src/components/app/map/layers/HoverLayerComponent.js b/opendc-web/opendc-web-ui/src/components/app/map/layers/HoverLayerComponent.js deleted file mode 100644 index 2b1060c0..00000000 --- a/opendc-web/opendc-web-ui/src/components/app/map/layers/HoverLayerComponent.js +++ /dev/null @@ -1,55 +0,0 @@ -import PropTypes from 'prop-types' -import React, { useMemo, useState } from 'react' -import { Layer } from 'react-konva/lib/ReactKonva' -import HoverTile from '../elements/HoverTile' -import { TILE_SIZE_IN_PIXELS } from '../MapConstants' -import { useEffectRef } from '../../../../util/effect-ref' - -function HoverLayerComponent({ isEnabled, isValid, onClick, children }) { - const [[mouseWorldX, mouseWorldY], setPos] = useState([0, 0]) - - const layerRef = useEffectRef((layer) => { - if (!layer) { - return - } - - const stage = layer.getStage() - - // Transform used to convert mouse coordinates to world coordinates - const transform = stage.getAbsoluteTransform().copy() - transform.invert() - - stage.on('mousemove.hover', () => { - const { x, y } = transform.point(stage.getPointerPosition()) - setPos([x, y]) - }) - return () => stage.off('mousemove.hover') - }) - - const gridX = Math.floor(mouseWorldX / TILE_SIZE_IN_PIXELS) - const gridY = Math.floor(mouseWorldY / TILE_SIZE_IN_PIXELS) - const valid = useMemo(() => isEnabled && isValid(gridX, gridY), [isEnabled, isValid, gridX, gridY]) - - if (!isEnabled) { - return <Layer /> - } - - const x = gridX * TILE_SIZE_IN_PIXELS - const y = gridY * TILE_SIZE_IN_PIXELS - - return ( - <Layer opacity={0.6} ref={layerRef}> - <HoverTile x={x} y={y} isValid={valid} onClick={() => (valid ? onClick(gridX, gridY) : undefined)} /> - {children ? React.cloneElement(children, { x, y, scale: 1 }) : undefined} - </Layer> - ) -} - -HoverLayerComponent.propTypes = { - isEnabled: PropTypes.bool.isRequired, - isValid: PropTypes.func.isRequired, - onClick: PropTypes.func.isRequired, - children: PropTypes.node, -} - -export default HoverLayerComponent |
