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import PropTypes from "prop-types";
import React from 'react';
import {Layer} from "react-konva";
import HoverTile from "../elements/HoverTile";
import {TILE_SIZE_IN_PIXELS} from "../MapConstants";
class HoverLayerComponent extends React.Component {
static propTypes = {
mouseX: PropTypes.number.isRequired,
mouseY: PropTypes.number.isRequired,
mainGroupX: PropTypes.number.isRequired,
mainGroupY: PropTypes.number.isRequired,
isEnabled: PropTypes.func.isRequired,
onClick: PropTypes.func.isRequired,
};
state = {
positionX: -1,
positionY: -1,
validity: false,
};
componentDidUpdate() {
if (!this.props.isEnabled()) {
return;
}
const positionX = Math.floor((this.props.mouseX - this.props.mainGroupX) / TILE_SIZE_IN_PIXELS);
const positionY = Math.floor((this.props.mouseY - this.props.mainGroupY) / TILE_SIZE_IN_PIXELS);
if (positionX !== this.state.positionX || positionY !== this.state.positionY) {
this.setState({positionX, positionY, validity: this.props.isValid(positionX, positionY)});
}
}
render() {
if (!this.props.isEnabled()) {
return <Layer/>;
}
const positionX = Math.floor((this.props.mouseX - this.props.mainGroupX) / TILE_SIZE_IN_PIXELS);
const positionY = Math.floor((this.props.mouseY - this.props.mainGroupY) / TILE_SIZE_IN_PIXELS);
const pixelX = positionX * TILE_SIZE_IN_PIXELS + this.props.mainGroupX;
const pixelY = positionY * TILE_SIZE_IN_PIXELS + this.props.mainGroupY;
return (
<Layer opacity={0.6}>
<HoverTile
pixelX={pixelX} pixelY={pixelY}
isValid={this.state.validity}
onClick={() => this.state.validity ? this.props.onClick(positionX, positionY) : undefined}
/>
{this.props.children ? React.cloneElement(this.props.children, {pixelX, pixelY}) : undefined}
</Layer>
);
}
}
export default HoverLayerComponent;
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