WhiteNightsAdminPanel/src/pages/route-preview/Station.tsx

149 lines
3.9 KiB
TypeScript

import { FederatedMouseEvent, Graphics } from "pixi.js";
import {
BACKGROUND_COLOR,
PATH_COLOR,
STATION_RADIUS,
STATION_OUTLINE_WIDTH,
UP_SCALE,
} from "./Constants";
import { useTransform } from "./TransformContext";
import { useCallback, useEffect, useRef, useState } from "react";
import { StationData } from "./types";
import { useMapData } from "./MapDataContext";
import { coordinatesToLocal } from "./utils";
import { observer } from "mobx-react-lite";
import { languageStore } from "@stores";
interface StationProps {
station: StationData;
ruLabel: string | null;
}
export const Station = observer(
({ station, ruLabel }: Readonly<StationProps>) => {
const draw = useCallback((g: Graphics) => {
g.clear();
const coordinates = coordinatesToLocal(
station.latitude,
station.longitude
);
g.circle(
coordinates.x * UP_SCALE,
coordinates.y * UP_SCALE,
STATION_RADIUS
);
g.fill({ color: PATH_COLOR });
g.stroke({ color: BACKGROUND_COLOR, width: STATION_OUTLINE_WIDTH });
}, []);
return (
<pixiContainer>
<pixiGraphics draw={draw} />
<StationLabel station={station} ruLabel={ruLabel} />
</pixiContainer>
);
}
);
export const StationLabel = observer(
({ station, ruLabel }: Readonly<StationProps>) => {
const { language } = languageStore;
const { rotation, scale } = useTransform();
const { setStationOffset } = useMapData();
const [position, setPosition] = useState({
x: station.offset_x,
y: station.offset_y,
});
const [isDragging, setIsDragging] = useState(false);
const [startPosition, setStartPosition] = useState({ x: 0, y: 0 });
const [startMousePosition, setStartMousePosition] = useState({
x: 0,
y: 0,
});
if (!station) {
console.error("station is null");
return null;
}
const handlePointerDown = (e: FederatedMouseEvent) => {
setIsDragging(true);
setStartPosition({
x: position.x,
y: position.y,
});
setStartMousePosition({
x: e.globalX,
y: e.globalY,
});
e.stopPropagation();
};
const handlePointerMove = (e: FederatedMouseEvent) => {
if (!isDragging) return;
const dx = e.globalX - startMousePosition.x;
const dy = e.globalY - startMousePosition.y;
const newPosition = {
x: startPosition.x + dx,
y: startPosition.y + dy,
};
setPosition(newPosition);
setStationOffset(station.id, newPosition.x, newPosition.y);
e.stopPropagation();
};
const handlePointerUp = (e: FederatedMouseEvent) => {
setIsDragging(false);
e.stopPropagation();
};
const coordinates = coordinatesToLocal(station.latitude, station.longitude);
return (
<pixiContainer
eventMode="static"
interactive
onPointerDown={handlePointerDown}
onGlobalPointerMove={handlePointerMove}
onPointerUp={handlePointerUp}
onPointerUpOutside={handlePointerUp}
width={48}
height={48}
x={coordinates.x * UP_SCALE}
y={coordinates.y * UP_SCALE}
rotation={-rotation}
>
<pixiText
anchor={{ x: 0.5, y: 0.5 }}
text={station.name}
position={{
x: position.x / scale,
y: position.y / scale,
}}
style={{
fontSize: 26,
fontWeight: "bold",
fill: "#ffffff",
}}
/>
{ruLabel && (
<pixiText
anchor={{ x: 0.5, y: -1 }}
text={ruLabel}
position={{
x: position.x / scale,
y: position.y / scale,
}}
style={{
fontSize: 16,
fontWeight: "bold",
fill: "#CCCCCC",
}}
/>
)}
</pixiContainer>
);
}
);