569 lines
17 KiB
TypeScript
569 lines
17 KiB
TypeScript
/// <reference types="react/experimental" />
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import '@blocksuite/blocks';
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import { Button, Tooltip } from '@affine/component';
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import type { ImageBlockModel } from '@blocksuite/blocks';
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import { assertExists } from '@blocksuite/global/utils';
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import {
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ArrowLeftSmallIcon,
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ArrowRightSmallIcon,
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CopyIcon,
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DeleteIcon,
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DownloadIcon,
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MinusIcon,
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PlusIcon,
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ViewBarIcon,
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} from '@blocksuite/icons';
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import type { Workspace } from '@blocksuite/store';
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import clsx from 'clsx';
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import { useAtom } from 'jotai';
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import type { ReactElement } from 'react';
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import { Suspense, useCallback } from 'react';
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import { useEffect, useRef, useState } from 'react';
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import useSWR from 'swr';
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import { useZoomControls } from './hooks/use-zoom';
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import {
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buttonIconStyle,
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buttonStyle,
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captionStyle,
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groupStyle,
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imageBottomContainerStyle,
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imagePreviewActionBarStyle,
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imagePreviewBackgroundStyle,
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imagePreviewModalCaptionStyle,
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imagePreviewModalCenterStyle,
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imagePreviewModalCloseButtonStyle,
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imagePreviewModalContainerStyle,
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imagePreviewModalStyle,
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loaded,
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scaleIndicatorButtonStyle,
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unloaded,
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} from './index.css';
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import { hasAnimationPlayedAtom, previewBlockIdAtom } from './index.jotai';
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import { toast } from './toast';
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export type ImagePreviewModalProps = {
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workspace: Workspace;
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pageId: string;
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};
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const ImagePreviewModalImpl = (
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props: ImagePreviewModalProps & {
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blockId: string;
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onClose: () => void;
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}
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): ReactElement | null => {
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const [blockId, setBlockId] = useAtom(previewBlockIdAtom);
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const zoomRef = useRef<HTMLDivElement | null>(null);
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const imageRef = useRef<HTMLImageElement | null>(null);
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const {
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isZoomedBigger,
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handleDrag,
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handleDragStart,
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handleDragEnd,
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resetZoom,
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zoomIn,
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zoomOut,
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resetScale,
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currentScale,
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} = useZoomControls({ zoomRef, imageRef });
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const [isOpen, setIsOpen] = useAtom(hasAnimationPlayedAtom);
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const [hasPlayedAnimation, setHasPlayedAnimation] = useState<boolean>(false);
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useEffect(() => {
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let timeoutId: NodeJS.Timeout;
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if (!isOpen) {
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timeoutId = setTimeout(() => {
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props.onClose();
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setIsOpen(true);
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}, 300);
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return () => {
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clearTimeout(timeoutId);
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};
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}
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return () => {};
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}, [isOpen, props, setIsOpen]);
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const nextImageHandler = useCallback(
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(blockId: string | null) => {
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assertExists(blockId);
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const workspace = props.workspace;
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if (!hasPlayedAnimation) {
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setHasPlayedAnimation(true);
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}
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const page = workspace.getPage(props.pageId);
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assertExists(page);
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const block = page.getBlockById(blockId);
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assertExists(block);
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const nextBlock = page
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.getNextSiblings(block)
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.find(
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(block): block is ImageBlockModel => block.flavour === 'affine:image'
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);
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if (nextBlock) {
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setBlockId(nextBlock.id);
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}
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},
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[props.pageId, props.workspace, setBlockId, hasPlayedAnimation]
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);
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const previousImageHandler = useCallback(
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(blockId: string | null) => {
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assertExists(blockId);
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const workspace = props.workspace;
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const page = workspace.getPage(props.pageId);
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assertExists(page);
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const block = page.getBlockById(blockId);
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assertExists(block);
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const prevBlock = page
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.getPreviousSiblings(block)
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.findLast(
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(block): block is ImageBlockModel => block.flavour === 'affine:image'
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);
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if (prevBlock) {
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setBlockId(prevBlock.id);
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}
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resetZoom();
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},
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[props.pageId, props.workspace, setBlockId, resetZoom]
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);
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const deleteHandler = useCallback(
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(blockId: string) => {
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const { pageId, workspace, onClose } = props;
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const page = workspace.getPage(pageId);
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assertExists(page);
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const block = page.getBlockById(blockId);
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assertExists(block);
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if (
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page
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.getPreviousSiblings(block)
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.findLast(
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(block): block is ImageBlockModel =>
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block.flavour === 'affine:image'
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)
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) {
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const prevBlock = page
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.getPreviousSiblings(block)
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.findLast(
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(block): block is ImageBlockModel =>
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block.flavour === 'affine:image'
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);
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if (prevBlock) {
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setBlockId(prevBlock.id);
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}
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} else if (
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page
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.getNextSiblings(block)
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.find(
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(block): block is ImageBlockModel =>
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block.flavour === 'affine:image'
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)
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) {
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const nextBlock = page
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.getNextSiblings(block)
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.find(
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(block): block is ImageBlockModel =>
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block.flavour === 'affine:image'
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);
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if (nextBlock) {
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setBlockId(nextBlock.id);
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}
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} else {
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onClose();
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}
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page.deleteBlock(block);
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},
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[props, setBlockId]
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);
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const downloadHandler = useCallback(
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async (blockId: string | null) => {
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const workspace = props.workspace;
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const page = workspace.getPage(props.pageId);
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assertExists(page);
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if (typeof blockId === 'string') {
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const block = page.getBlockById(blockId) as ImageBlockModel;
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assertExists(block);
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const store = await block.page.blobs;
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const url = store?.get(block.sourceId);
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const img = await url;
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if (!img) {
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return;
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}
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const arrayBuffer = await img.arrayBuffer();
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const buffer = new Uint8Array(arrayBuffer);
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let fileType: string;
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if (
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buffer[0] === 0x47 &&
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buffer[1] === 0x49 &&
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buffer[2] === 0x46 &&
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buffer[3] === 0x38
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) {
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fileType = 'image/gif';
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} else if (
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buffer[0] === 0x89 &&
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buffer[1] === 0x50 &&
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buffer[2] === 0x4e &&
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buffer[3] === 0x47
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) {
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fileType = 'image/png';
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} else if (
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buffer[0] === 0xff &&
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buffer[1] === 0xd8 &&
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buffer[2] === 0xff &&
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buffer[3] === 0xe0
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) {
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fileType = 'image/jpeg';
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} else {
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// unknown, fallback to png
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console.error('unknown image type');
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fileType = 'image/png';
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}
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const downloadUrl = URL.createObjectURL(
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new Blob([arrayBuffer], { type: fileType })
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);
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const a = document.createElement('a');
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a.href = downloadUrl;
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a.download = block.id ?? 'image';
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document.body.appendChild(a);
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a.click();
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document.body.removeChild(a);
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}
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},
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[props.pageId, props.workspace]
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);
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const [caption, setCaption] = useState(() => {
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const page = props.workspace.getPage(props.pageId);
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assertExists(page);
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const block = page.getBlockById(props.blockId) as ImageBlockModel;
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assertExists(block);
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return block?.caption;
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});
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useEffect(() => {
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const page = props.workspace.getPage(props.pageId);
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assertExists(page);
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const block = page.getBlockById(props.blockId) as ImageBlockModel;
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assertExists(block);
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setCaption(block?.caption);
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}, [props.blockId, props.pageId, props.workspace]);
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const { data } = useSWR(['workspace', 'image', props.pageId, props.blockId], {
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fetcher: ([_, __, pageId, blockId]) => {
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const page = props.workspace.getPage(pageId);
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assertExists(page);
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const block = page.getBlockById(blockId) as ImageBlockModel;
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assertExists(block);
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return props.workspace.blobs.get(block?.sourceId);
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},
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suspense: true,
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});
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const [prevData, setPrevData] = useState<string | null>(() => data);
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const [url, setUrl] = useState<string | null>(null);
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if (prevData !== data) {
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if (url) {
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URL.revokeObjectURL(url);
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}
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setUrl(URL.createObjectURL(data));
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setPrevData(data);
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} else if (!url) {
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setUrl(URL.createObjectURL(data));
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}
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if (!url) {
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return null;
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}
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return (
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<div
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className={imagePreviewModalStyle}
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onClick={event => {
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if (event.target === event.currentTarget) {
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setIsOpen(false);
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}
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}}
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>
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<div className={imagePreviewModalContainerStyle}>
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<div
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className={clsx('zoom-area', { 'zoomed-bigger': isZoomedBigger })}
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ref={zoomRef}
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>
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<div className={imagePreviewModalCenterStyle}>
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<img
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data-blob-id={props.blockId}
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data-testid="image-content"
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src={url}
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alt={caption}
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ref={imageRef}
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draggable={isZoomedBigger}
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onMouseDown={handleDragStart}
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onMouseMove={handleDrag}
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onMouseUp={handleDragEnd}
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onLoad={resetZoom}
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/>
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{isZoomedBigger ? null : (
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<p className={imagePreviewModalCaptionStyle}>{caption}</p>
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)}
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</div>
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</div>
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</div>
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<div
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className={imageBottomContainerStyle}
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onClick={event => event.stopPropagation()}
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>
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{isZoomedBigger && caption !== '' ? (
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<p className={captionStyle}>{caption}</p>
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) : null}
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<div className={imagePreviewActionBarStyle}>
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<div>
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<Tooltip content={'Previous'} disablePortal={false}>
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<Button
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icon={<ArrowLeftSmallIcon className={buttonIconStyle} />}
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noBorder={true}
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className={buttonStyle}
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hoverColor={'-moz-initial'}
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onClick={() => {
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assertExists(blockId);
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previousImageHandler(blockId);
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}}
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/>
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</Tooltip>
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<Tooltip content={'Next'} disablePortal={false}>
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<Button
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icon={<ArrowRightSmallIcon className={buttonIconStyle} />}
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noBorder={true}
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className={buttonStyle}
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hoverColor={'-moz-initial'}
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onClick={() => {
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assertExists(blockId);
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nextImageHandler(blockId);
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}}
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/>
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</Tooltip>
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</div>
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<div className={groupStyle}></div>
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<Tooltip
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content={'Fit to Screen'}
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disablePortal={true}
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showArrow={false}
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>
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<Button
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icon={<ViewBarIcon className={buttonIconStyle} />}
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noBorder={true}
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hoverColor={'-moz-initial'}
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className={buttonStyle}
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onClick={() => resetZoom()}
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/>
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</Tooltip>
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<Tooltip content={'Zoom out'} disablePortal={false}>
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<Button
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icon={<MinusIcon className={buttonIconStyle} />}
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noBorder={true}
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className={buttonStyle}
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hoverColor={'-moz-initial'}
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onClick={zoomOut}
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/>
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</Tooltip>
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<Tooltip content={'Reset Scale'} disablePortal={false}>
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<Button
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noBorder={true}
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size={'middle'}
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className={scaleIndicatorButtonStyle}
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hoverColor={'-moz-initial'}
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onClick={resetScale}
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>
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{`${(currentScale * 100).toFixed(0)}%`}
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</Button>
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</Tooltip>
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<Tooltip content={'Zoom in'} disablePortal={false}>
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<Button
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icon={<PlusIcon className={buttonIconStyle} />}
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noBorder={true}
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className={buttonStyle}
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hoverColor={'-moz-initial'}
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onClick={() => zoomIn()}
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/>
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</Tooltip>
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<div className={groupStyle}></div>
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<Tooltip content={'Download'} disablePortal={false}>
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<Button
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icon={<DownloadIcon className={buttonIconStyle} />}
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noBorder={true}
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className={buttonStyle}
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hoverColor={'-moz-initial'}
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onClick={() => {
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assertExists(blockId);
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downloadHandler(blockId).catch(err => {
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console.error('Could not download image', err);
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});
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}}
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/>
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</Tooltip>
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<Tooltip content={'Copy to clipboard'} disablePortal={false}>
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<Button
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icon={<CopyIcon className={buttonIconStyle} />}
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noBorder={true}
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className={buttonStyle}
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hoverColor={'-moz-initial'}
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onClick={() => {
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if (!imageRef.current) {
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return;
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}
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const canvas = document.createElement('canvas');
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canvas.width = imageRef.current.naturalWidth;
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canvas.height = imageRef.current.naturalHeight;
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const context = canvas.getContext('2d');
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if (!context) {
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console.warn('Could not get canvas context');
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return;
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}
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context.drawImage(imageRef.current, 0, 0);
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canvas.toBlob(blob => {
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if (!blob) {
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console.warn('Could not get blob');
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return;
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}
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const dataUrl = URL.createObjectURL(blob);
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navigator.clipboard
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.write([new ClipboardItem({ 'image/png': blob })])
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.then(() => {
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console.log('Image copied to clipboard');
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URL.revokeObjectURL(dataUrl);
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})
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.catch(error => {
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console.error('Error copying image to clipboard', error);
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URL.revokeObjectURL(dataUrl);
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});
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}, 'image/png');
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toast('Copied to clipboard.');
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}}
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/>
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</Tooltip>
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<div className={groupStyle}></div>
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<Tooltip content={'Delete'} disablePortal={false}>
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<Button
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icon={<DeleteIcon className={buttonIconStyle} />}
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noBorder={true}
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className={buttonStyle}
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onClick={() => blockId && deleteHandler(blockId)}
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hoverColor={'-moz-initial'}
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/>
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</Tooltip>
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</div>
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</div>
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</div>
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);
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};
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|
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export const ImagePreviewModal = (
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props: ImagePreviewModalProps
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): ReactElement | null => {
|
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const [blockId, setBlockId] = useAtom(previewBlockIdAtom);
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const [isOpen, setIsOpen] = useAtom(hasAnimationPlayedAtom);
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|
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const handleKeyUp = useCallback(
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(event: KeyboardEvent) => {
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if (event.key === 'Escape') {
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event.preventDefault();
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event.stopPropagation();
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if (isOpen) {
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setIsOpen(false);
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}
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return;
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}
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if (!blockId) {
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return;
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}
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const workspace = props.workspace;
|
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const page = workspace.getPage(props.pageId);
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assertExists(page);
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const block = page.getBlockById(blockId);
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assertExists(block);
|
|
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if (event.key === 'ArrowLeft') {
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const prevBlock = page
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.getPreviousSiblings(block)
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.findLast(
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(block): block is ImageBlockModel =>
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block.flavour === 'affine:image'
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);
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if (prevBlock) {
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setBlockId(prevBlock.id);
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}
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} else if (event.key === 'ArrowRight') {
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const nextBlock = page
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.getNextSiblings(block)
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.find(
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(block): block is ImageBlockModel =>
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block.flavour === 'affine:image'
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);
|
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if (nextBlock) {
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setBlockId(nextBlock.id);
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}
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} else {
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return;
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}
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event.preventDefault();
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event.stopPropagation();
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},
|
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[blockId, setBlockId, props.workspace, props.pageId, isOpen, setIsOpen]
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);
|
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|
|
useEffect(() => {
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document.addEventListener('keyup', handleKeyUp);
|
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return () => {
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document.removeEventListener('keyup', handleKeyUp);
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};
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}, [handleKeyUp]);
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|
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if (!blockId) {
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return null;
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}
|
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|
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return (
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<div
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data-testid="image-preview-modal"
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|
className={`${imagePreviewBackgroundStyle} ${isOpen ? loaded : unloaded}`}
|
|
>
|
|
<Suspense fallback={<div />}>
|
|
<ImagePreviewModalImpl
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{...props}
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blockId={blockId}
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onClose={() => setBlockId(null)}
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/>
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</Suspense>
|
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<button
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data-testid="image-preview-close-button"
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|
onClick={() => {
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setBlockId(null);
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}}
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className={imagePreviewModalCloseButtonStyle}
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>
|
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<svg
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width="10"
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height="10"
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viewBox="0 0 10 10"
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fill="none"
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xmlns="http://www.w3.org/2000/svg"
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>
|
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<path
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fillRule="evenodd"
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clipRule="evenodd"
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