1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
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,
mapPosition: PropTypes.object.isRequired,
mapScale: 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.mapPosition.x) / (this.props.mapScale * TILE_SIZE_IN_PIXELS));
const positionY = Math.floor((this.props.mouseY - this.props.mapPosition.y) / (this.props.mapScale * 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 pixelX = this.props.mapScale * this.state.positionX * TILE_SIZE_IN_PIXELS + this.props.mapPosition.x;
const pixelY = this.props.mapScale * this.state.positionY * TILE_SIZE_IN_PIXELS + this.props.mapPosition.y;
return (
<Layer opacity={0.6}>
<HoverTile
pixelX={pixelX}
pixelY={pixelY}
scale={this.props.mapScale}
isValid={this.state.validity}
onClick={() => this.state.validity ?
this.props.onClick(this.state.positionX, this.state.positionY) : undefined}
/>
{this.props.children ?
React.cloneElement(this.props.children, {pixelX, pixelY, scale: this.props.mapScale}) :
undefined
}
</Layer>
);
}
}
export default HoverLayerComponent;
|
