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109 lines
3.2 KiB
TypeScript
109 lines
3.2 KiB
TypeScript
import * as React from 'react';
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import { useCallback, useRef, useEffect } from 'react';
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import Resource from '@joplin/lib/models/Resource';
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import bridge from '../services/bridge';
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import contextMenu from './NoteEditor/utils/contextMenu';
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import { ContextMenuItemType, ContextMenuOptions } from './NoteEditor/utils/contextMenuUtils';
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import CommandService from '@joplin/lib/services/CommandService';
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import styled from 'styled-components';
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import { themeStyle } from '@joplin/lib/theme';
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const Window = styled.div`
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height: 100%;
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width: 100%;
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position: fixed;
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top: 0px;
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left: 0px;
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z-index: 999;
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background-color: ${(props: any) => props.theme.backgroundColor};
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color: ${(props: any) => props.theme.color};
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`;
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const IFrame = styled.iframe`
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height: 100%;
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width: 100%;
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border: none;
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`;
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interface Props {
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themeId: number;
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// eslint-disable-next-line @typescript-eslint/ban-types -- Old code before rule was applied
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dispatch: Function;
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resource: any;
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pageNo: number;
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}
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export default function PdfViewer(props: Props) {
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const iframeRef = useRef<HTMLIFrameElement>(null);
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const onClose = useCallback(() => {
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props.dispatch({
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type: 'DIALOG_CLOSE',
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name: 'pdfViewer',
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});
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}, [props.dispatch]);
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const openExternalViewer = useCallback(async () => {
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await CommandService.instance().execute('openItem', `joplin://${props.resource.id}`);
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}, [props.resource.id]);
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const textSelected = useCallback(async (text: string) => {
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if (!text) return;
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const itemType = ContextMenuItemType.Text;
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const menu = await contextMenu({
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itemType,
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resourceId: null,
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filename: null,
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mime: 'text/plain',
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textToCopy: text,
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linkToCopy: null,
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htmlToCopy: '',
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insertContent: () => { console.warn('insertContent() not implemented'); },
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fireEditorEvent: () => { console.warn('fireEditorEvent() not implemented'); },
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htmlToMd: async (_a, b, _c) => b,
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mdToHtml: async (_a, b, _c) => { return { html: b, pluginAssets: [], cssStrings: [] }; },
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} as ContextMenuOptions, props.dispatch);
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menu.popup({ window: bridge().window() });
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}, [props.dispatch]);
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const onMessage_ = useCallback(async (event: any) => {
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if (!event.data || !event.data.name) {
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return;
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}
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if (event.data.name === 'close') {
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onClose();
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} else if (event.data.name === 'externalViewer') {
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await openExternalViewer();
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} else if (event.data.name === 'textSelected') {
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await textSelected(event.data.text);
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} else {
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console.error('Unknown event received', event.data.name);
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}
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}, [openExternalViewer, textSelected, onClose]);
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useEffect(() => {
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const iframe = iframeRef.current;
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iframe.contentWindow.addEventListener('message', onMessage_);
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return () => {
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// iframe.contentWindow is not always defined
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// https://github.com/laurent22/joplin/issues/7528
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if (iframe.contentWindow) iframe.contentWindow.removeEventListener('message', onMessage_);
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};
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}, [onMessage_]);
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const theme = themeStyle(props.themeId);
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return (
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<Window theme={theme}>
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<IFrame src="./vendor/lib/@joplin/pdf-viewer/index.html" x-url={Resource.fullPath(props.resource)}
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x-appearance={theme.appearance} ref={iframeRef}
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x-title={props.resource.title}
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x-anchorpage={props.pageNo}
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x-type="full"></IFrame>
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</Window>
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);
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}
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