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a tool for shared writing and social publishing
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import { useEntity, useReplicache } from "src/replicache";import { BlockProps, BlockLayout } 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 { setCoverImageFromEntity } from "src/utils/setCoverImageFromEntity";import { elementId } from "src/utils/elementId";import { useEffect, useState } from "react";import { BlockImageSmall } from "components/Icons/BlockImageSmall";import { EditTiny } from "components/Icons/EditTiny";import { set } from "colorjs.io/fn";import { ImageAltButton } from "./ImageAltButton";import { ImageGalleryLightbox, EditorLightboxSlide,} from "./ImageGalleryBlock/ImageGalleryLightbox";import { useLeafletPublicationData, useLeafletPublicationPage,} from "components/PageSWRDataProvider";import { ImageCoverImage, ImageCoverImageRemove,} from "components/Icons/ImageCoverImage";import { ButtonPrimary, ButtonSecondary, ButtonTertiary,} from "components/Buttons";import { CheckTiny } from "components/Icons/CheckTiny";
export function ImageBlock(props: BlockProps & { preview?: boolean }) { let { rep, undoManager } = 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 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 [lightboxOpen, setLightboxOpen] = useState(false);
// Writers select the block first; a second click on the image opens the // lightbox. Readers (no write permission) open it on the first click. let canOpenLightbox = !props.preview && (!entity_set.permissions.write || !!isSelected);
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; await undoManager.withUndoGroup(async () => { 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 ( <BlockLayout hasBackground="accent" isSelected={!!isSelected} borderOnHover className={` group/image-block text-tertiary hover:text-accent-contrast hover:font-bold h-[104px] border-dashed rounded-lg `} > <label className={` w-full h-full hover:cursor-pointer flex flex-col items-center justify-center `} onMouseDown={(e) => e.preventDefault()} onDragOver={(e) => { e.preventDefault(); e.stopPropagation(); }} onDrop={async (e) => { e.preventDefault(); e.stopPropagation(); 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 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> </BlockLayout> ); }
let localSrc = localImages.get(image.data.src);
let blockClassName = ` relative group/image border-transparent! p-0! w-fit! ${isFullBleed && "-mx-[14px] sm:-mx-[18px] rounded-[0px]! sm:outline-offset-[-16px]! -outline-offset[-12px]!"} ${isFullBleed ? (isFirst ? "-mt-3 sm:-mt-4" : prevIsFullBleed ? "-mt-[5px]" : "") : ""} ${isFullBleed ? (isLast ? "-mb-4" : nextIsFullBleed ? "-mb-[9px]" : "") : ""} `;
return ( <BlockLayout hasAlignment isSelected={!!isSelected} className={blockClassName} optionsClassName={isFullBleed ? "top-[-8px]! border-none!" : ""} > <button type="button" className={`block w-fit ${canOpenLightbox ? "cursor-zoom-in" : ""}`} onClick={() => { if (canOpenLightbox) setLightboxOpen(true); }} > {localSrc || image.data.local ? ( <img loading="lazy" decoding="async" alt={altText} src={localSrc ?? 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} /> )} </button> {!props.preview && ( <ImageGalleryLightbox count={1} index={lightboxOpen ? 0 : null} onIndexChange={(i) => setLightboxOpen(i !== null)} renderSlide={() => <EditorLightboxSlide entityID={props.value} />} /> )} {!props.preview ? ( <ImageAltButton entityID={props.value} selected={!!isSelected} canEdit={entity_set.permissions.write} /> ) : null} {!props.preview ? <CoverImageButton entityID={props.value} /> : null} </BlockLayout> );}
const CoverImageButton = (props: { entityID: string }) => { let { rep, rootEntity } = useReplicache(); let entity_set = useEntitySetContext(); let { data: pubData } = useLeafletPublicationData(); let publicationPage = useLeafletPublicationPage(); let image = useEntity(props.entityID, "block/image"); let alt = useEntity(props.entityID, "image/alt")?.data.value; let coverEntity = useEntity(rootEntity, "root/cover-image")?.data.value; let coverImage = useEntity(coverEntity ?? null, "block/image"); let isFocused = useUIState( (s) => s.focusedEntity?.entityID === props.entityID, );
// Only show if focused, in a publication, with write permissions, and an // image to copy. Publication pages (e.g. an About page) have no cover image. if ( !isFocused || !pubData?.publications || !entity_set.permissions.write || publicationPage || !image ) return null;
// The cover is a standalone copy sharing this block's src, so a matching src // means this block is the current cover. let isCoverImage = !!coverImage && coverImage.data.src === image.data.src; if (isCoverImage) return ( <ButtonSecondary className="absolute top-2 right-2" onClick={async (e) => { e.preventDefault(); e.stopPropagation(); if (coverEntity) await rep?.mutate.deleteEntity({ entity: coverEntity }); }} > Remove Cover Image <ImageCoverImageRemove /> </ButtonSecondary> );
return ( <ButtonPrimary className="absolute top-2 right-2" onClick={async (e) => { e.preventDefault(); e.stopPropagation(); if (!rep) return; await setCoverImageFromEntity(rep, { rootEntity, permission_set: entity_set.set, image: image.data, alt, }); }} > Use as Cover Image <ImageCoverImage /> </ButtonPrimary> );};