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a tool for shared writing and social publishing forked from leaflet.pub/leaflet
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import { useEntity, useReplicache } from "src/replicache";import { BlockProps } from "./Block";import { useUIState } from "src/useUIState";import Image from "next/image";import { v7 } from "uuid";import { useEntitySetContext } from "components/EntitySetProvider";import { generateKeyBetween } from "fractional-indexing";import { addImage, localImages } from "src/utils/addImage";import { elementId } from "src/utils/elementId";import { createContext, useContext, useEffect, useState } from "react";import { BlockImageSmall } from "components/Icons/BlockImageSmall";import { Popover } from "components/Popover";import { theme } from "tailwind.config";import { EditTiny } from "components/Icons/EditTiny";import { AsyncValueAutosizeTextarea } from "components/utils/AutosizeTextarea";import { set } from "colorjs.io/fn";import { ImageAltSmall } from "components/Icons/ImageAlt";
export function ImageBlock(props: BlockProps & { preview?: boolean }) { let { rep } = useReplicache(); let image = useEntity(props.value, "block/image"); let entity_set = useEntitySetContext(); let isSelected = useUIState((s) => s.selectedBlocks.find((b) => b.value === props.value), ); let isLocked = useEntity(props.value, "block/is-locked")?.data.value; let isFullBleed = useEntity(props.value, "image/full-bleed")?.data.value; let isFirst = props.previousBlock === null; let isLast = props.nextBlock === null;
let altText = useEntity(props.value, "image/alt")?.data.value;
let nextIsFullBleed = useEntity( props.nextBlock && props.nextBlock.value, "image/full-bleed", )?.data.value; let prevIsFullBleed = useEntity( props.previousBlock && props.previousBlock.value, "image/full-bleed", )?.data.value;
useEffect(() => { if (props.preview) return; let input = document.getElementById(elementId.block(props.entityID).input); if (isSelected) { input?.focus(); } else { input?.blur(); } }, [isSelected, props.preview, props.entityID]);
const handleImageUpload = async (file: File) => { if (!rep) return; let entity = props.entityID; if (!entity) { entity = v7(); await rep?.mutate.addBlock({ parent: props.parent, factID: v7(), permission_set: entity_set.set, type: "text", position: generateKeyBetween( props.position, props.nextPosition, ), newEntityID: entity, }); } await rep.mutate.assertFact({ entity, attribute: "block/type", data: { type: "block-type-union", value: "image" }, }); await addImage(file, rep, { entityID: entity, attribute: "block/image", }); };
if (!image) { if (!entity_set.permissions.write) return null; return ( <div className="grow w-full"> <label className={` group/image-block w-full h-[104px] hover:cursor-pointer p-2 text-tertiary hover:text-accent-contrast hover:font-bold flex flex-col items-center justify-center hover:border-2 border-dashed hover:border-accent-contrast rounded-lg ${isSelected && !isLocked ? "border-2 border-tertiary font-bold" : "border border-border"} ${props.pageType === "canvas" && "bg-bg-page"}`} onMouseDown={(e) => e.preventDefault()} onDragOver={(e) => { e.preventDefault(); e.stopPropagation(); }} onDrop={async (e) => { e.preventDefault(); e.stopPropagation(); if (isLocked) return; const files = e.dataTransfer.files; if (files && files.length > 0) { const file = files[0]; if (file.type.startsWith('image/')) { await handleImageUpload(file); } } }} > <div className="flex gap-2"> <BlockImageSmall className={`shrink-0 group-hover/image-block:text-accent-contrast ${isSelected ? "text-tertiary" : "text-border"}`} /> Upload An Image </div> <input disabled={isLocked} className="h-0 w-0 hidden" type="file" accept="image/*" onChange={async (e) => { let file = e.currentTarget.files?.[0]; if (!file) return; await handleImageUpload(file); }} /> </label> </div> ); }
let className = isFullBleed ? "" : isSelected ? "block-border-selected border-transparent! " : "block-border border-transparent!";
let isLocalUpload = localImages.get(image.data.src);
return ( <div className={`relative group/image ${className} ${isFullBleed && "-mx-3 sm:-mx-4"} ${isFullBleed ? (isFirst ? "-mt-3 sm:-mt-4" : prevIsFullBleed ? "-mt-1" : "") : ""} ${isFullBleed ? (isLast ? "-mb-4" : nextIsFullBleed ? "-mb-2" : "") : ""} `} > {isFullBleed && isSelected ? <FullBleedSelectionIndicator /> : null} {isLocalUpload || image.data.local ? ( <img loading="lazy" decoding="async" alt={altText} src={isLocalUpload ? image.data.src + "?local" : image.data.fallback} height={image?.data.height} width={image?.data.width} /> ) : ( <Image alt={altText || ""} src={ "/" + new URL(image.data.src).pathname.split("/").slice(5).join("/") } height={image?.data.height} width={image?.data.width} className={className} /> )} {altText !== undefined && !props.preview ? ( <ImageAlt entityID={props.value} /> ) : null} </div> );}
export const FullBleedSelectionIndicator = () => { return ( <div className={`absolute top-3 sm:top-4 bottom-3 sm:bottom-4 left-3 sm:left-4 right-3 sm:right-4 border-2 border-bg-page rounded-lg outline-offset-1 outline-solid outline-2 outline-tertiary`} /> );};
export const ImageBlockContext = createContext({ altEditorOpen: false, setAltEditorOpen: (s: boolean) => {},});
const ImageAlt = (props: { entityID: string }) => { let { rep } = useReplicache(); let altText = useEntity(props.entityID, "image/alt")?.data.value; let entity_set = useEntitySetContext();
let setAltEditorOpen = useUIState((s) => s.setOpenPopover); let altEditorOpen = useUIState((s) => s.openPopover === props.entityID);
if (!entity_set.permissions.write && altText === "") return null; return ( <div className="absolute bottom-0 right-2 h-max"> <Popover open={altEditorOpen} className="text-sm max-w-xs min-w-0" side="left" asChild trigger={ <button onClick={() => setAltEditorOpen(altEditorOpen ? null : props.entityID) } > <ImageAltSmall fillColor={theme.colors["bg-page"]} /> </button> } > {entity_set.permissions.write ? ( <AsyncValueAutosizeTextarea className="text-sm text-secondary outline-hidden bg-transparent min-w-0" value={altText} onFocus={(e) => { e.currentTarget.setSelectionRange( e.currentTarget.value.length, e.currentTarget.value.length, ); }} onChange={async (e) => { await rep?.mutate.assertFact({ entity: props.entityID, attribute: "image/alt", data: { type: "string", value: e.currentTarget.value }, }); }} placeholder="add alt text..." /> ) : ( <div className="text-sm text-secondary w-full"> {altText}</div> )} </Popover> </div> );};