171 wiersze
4.7 KiB
TypeScript
171 wiersze
4.7 KiB
TypeScript
import React, { useContext, useEffect, useRef } from "react";
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import { AutoSizingSvg } from "../auto-sizing-svg";
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import {
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CreatureContext,
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CreatureContextType,
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CreatureSymbol,
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} from "../creature-symbol";
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import {
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GalleryComposition,
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GalleryCompositionKind,
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GalleryContext,
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} from "../gallery-context";
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import { LoadingIndicator } from "../loading-indicator";
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import { Page } from "../page";
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import { createPageWithStateSearchParams } from "../page-with-shareable-state";
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import { svgScale, SvgTransform } from "../svg-transform";
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import { CreatureDesign } from "./creature-page/core";
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import { deserializeCreatureDesign } from "./creature-page/serialization";
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import { getFriendlyPageName } from "./friendly-page-names";
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import "./gallery-page.css";
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import {
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createMandalaAnimationRenderer,
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MandalaDesign,
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} from "./mandala-page/core";
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import { deserializeMandalaDesign } from "./mandala-page/serialization";
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function compositionRemixUrl(comp: GalleryComposition): string {
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return (
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"?" +
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createPageWithStateSearchParams(comp.kind, comp.serializedValue).toString()
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);
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}
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const THUMBNAIL_CLASS = "gallery-thumbnail canvas";
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const THUMBNAIL_SCALE = 0.2;
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const ErrorThumbnail: React.FC<{ title?: string }> = ({ title }) => (
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<div className={THUMBNAIL_CLASS + " is-empty"} title={title}>
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<span>☹</span>
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</div>
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);
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const CreatureThumbnail: React.FC<{ design: CreatureDesign }> = (props) => {
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const svgRef = useRef<SVGSVGElement>(null);
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const ctx: CreatureContextType = {
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...useContext(CreatureContext),
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...props.design.compCtx,
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};
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const { background } = props.design.compCtx;
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return (
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<div className={THUMBNAIL_CLASS} style={{ backgroundColor: background }}>
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<CreatureContext.Provider value={ctx}>
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<AutoSizingSvg padding={10} ref={svgRef} bgColor={background}>
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<SvgTransform transform={svgScale(THUMBNAIL_SCALE)}>
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<CreatureSymbol {...props.design.creature} />
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</SvgTransform>
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</AutoSizingSvg>
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</CreatureContext.Provider>
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</div>
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);
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};
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const MandalaThumbnail: React.FC<{ design: MandalaDesign }> = (props) => {
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const render = createMandalaAnimationRenderer(props.design, THUMBNAIL_SCALE);
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const { background } = props.design.baseCompCtx;
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const svgRef = useRef<SVGSVGElement>(null);
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const canvasRef = useRef<HTMLDivElement>(null);
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return (
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<div
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className={THUMBNAIL_CLASS}
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style={{ backgroundColor: background }}
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ref={canvasRef}
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>
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<AutoSizingSvg
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ref={svgRef}
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bgColor={background}
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sizeToElement={canvasRef}
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>
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{render(0)}
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</AutoSizingSvg>
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</div>
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);
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};
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const THUMBNAILERS: {
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[key in GalleryCompositionKind]: (gc: GalleryComposition) => JSX.Element;
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} = {
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creature: (gc) => (
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<CreatureThumbnail design={deserializeCreatureDesign(gc.serializedValue)} />
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),
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mandala: (gc) => (
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<MandalaThumbnail design={deserializeMandalaDesign(gc.serializedValue)} />
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),
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};
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function getThumbnail(gc: GalleryComposition): JSX.Element {
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let errorTitle: string;
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if (gc.kind in THUMBNAILERS) {
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try {
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return THUMBNAILERS[gc.kind](gc);
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} catch (e) {
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errorTitle = `Could not deserialize ${gc.kind} "${gc.title}": ${e.message}`;
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console.error(e);
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}
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} else {
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errorTitle = `Found unknown gallery composition kind "${gc.kind}".`;
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}
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console.log(errorTitle);
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return <ErrorThumbnail title={errorTitle} />;
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}
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const GalleryCompositionView: React.FC<GalleryComposition> = (props) => {
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const thumbnail = getThumbnail(props);
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const url = compositionRemixUrl(props);
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return (
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<div className="gallery-item">
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<a href={url} target="_blank">
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{thumbnail}
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</a>
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<p>
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<a href={url} target="_blank">
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{props.title}
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</a>{" "}
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{getFriendlyPageName(props.kind)} by {props.ownerName}
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</p>
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</div>
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);
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};
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export const GalleryPage: React.FC<{}> = () => {
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const ctx = useContext(GalleryContext);
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useEffect(() => {
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if (ctx.lastRefresh === 0) {
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ctx.refresh();
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}
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}, [ctx]);
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return (
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<Page title="Gallery!">
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<div className="sidebar">
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<p style={{ marginTop: "0" }}>
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You can publish to this gallery via the sidebar on other pages of this
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site.
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</p>
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<button onClick={ctx.refresh} disabled={ctx.isLoading}>
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{ctx.isLoading ? "Loading\u2026" : "Refresh"}
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</button>
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{ctx.error && <p className="error">{ctx.error}</p>}
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</div>
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<div className="canvas scrollable">
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{ctx.isLoading ? (
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<LoadingIndicator />
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) : (
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ctx.compositions.map((comp) => (
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<GalleryCompositionView key={comp.id} {...comp} />
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))
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)}
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</div>
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</Page>
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);
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};
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