oxen-website/pages/roadmap.tsx

131 lines
3.5 KiB
TypeScript

import { METADATA, NAVIGATION, UI } from '@/constants';
import React, { ReactElement, useContext, useEffect, useState } from 'react';
import CustomHead from '@/components/CustomHead';
import { ReactComponent as LoadingSVG } from '@/assets/svgs/loader.svg';
import { ScreenContext } from '@/contexts/screen';
import { SideMenuItem } from '@/state/navigation';
import classNames from 'classnames';
import panzoom from 'panzoom';
let pz = null; // global panzoom instance
type RoadmapCanvasProps = {
loaded: boolean;
canScaleMore: boolean;
};
const RoadmapCanvas = (props: RoadmapCanvasProps): ReactElement => {
const { loaded, canScaleMore } = props;
return (
<div
className={classNames(loaded ? 'visibility' : 'invisible')}
style={{
height: loaded ? `calc(100vh - ${UI.HEADER_HEIGHT_PX}px)` : '0vh',
}}
>
<canvas
id={'#roadmap-image'}
className={classNames('cursor-move')}
// upscaled for better text rendering
// mobile and tablets have smaller upscale limit
width={3686 * (canScaleMore ? 1.75 : 1.45)}
height={2073 * (canScaleMore ? 1.75 : 1.45)}
/>
</div>
);
};
export default function Roadmap() {
const { isMobile, isTablet } = useContext(ScreenContext);
const [loaded, setLoaded] = useState(false);
const startup = () => {
const canvasHolder = document.getElementById(
'#roadmap-image',
) as HTMLCanvasElement;
const context = canvasHolder.getContext('2d');
const backgroundImage = new Image();
backgroundImage.src = '/svgs/roadmap.svg';
backgroundImage.onload = function () {
context.drawImage(
backgroundImage,
0,
0,
canvasHolder.width,
canvasHolder.height,
);
context.save();
console.log('roadmap loaded');
setLoaded(true);
};
};
useEffect(() => {
startup();
if (loaded) {
const roadmapEl = document.getElementById('#roadmap-image');
pz = panzoom(roadmapEl, {
initialZoom: isMobile ? 0.3 : isTablet ? 0.4 : 0.3333,
autocenter: isMobile ? false : isTablet ? false : false,
initialX: isMobile ? -900 : isTablet ? -1200 : -800,
initialY: isMobile ? -100 : isTablet ? -200 : -100,
bounds: true,
boundsPadding: isMobile ? 0 : isTablet ? 0 : -0.1,
});
}
() => {
if (loaded && pz) {
pz.dispose();
}
};
}, [isMobile, isTablet, loaded]);
return (
<>
<CustomHead
title={NAVIGATION.SIDE_MENU_ITEMS[SideMenuItem.ROADMAP].label}
metadata={METADATA.ROADMAP_PAGE}
/>
{!loaded && (
<div
className={classNames('flex justify-center items-center w-100')}
title="loading"
style={{
height: `calc(100vh - ${UI.HEADER_HEIGHT_PX}px)`,
}}
>
<LoadingSVG
className={classNames(
'w-48 h-48 mx-auto text-primary fill-current -mt-8',
'tablet:-mt-32',
)}
/>
</div>
)}
<RoadmapCanvas loaded={loaded} canScaleMore={!isMobile && !isTablet} />
{loaded && (
<div
className={classNames(
'absolute right-4 bottom-4',
'desktop:right-6 desktop:bottom-6',
)}
>
{/* eslint-disable @next/next/no-img-element */}
<img
src={'/svgs/roadmap-key.svg'}
alt="Oxen Roadmap Legend"
height={isMobile ? 180 : 242}
width={isMobile ? 150 : 200}
/>
</div>
)}
</>
);
}