feat: excalidraw integration (#214)

* update tiptap version * excalidraw init * cleanup * better file handling and other fixes * use different modal to fix excalidraw cursor position issue * see https://github.com/excalidraw/excalidraw/issues/7312 * fix websocket in vite dev mode * WIP * add align attribute * fix table * menu icons * Render image in excalidraw html * add size to custom SVG components * rewrite undefined font urls
2025-11-26 06:31:07 +10:00 · 2024-08-31 19:11:07 +01:00
parent 77b541ec71
commit 38e9eef2dc
26 changed files with 1440 additions and 799 deletions
--- a/apps/client/src/features/editor/components/excalidraw/excalidraw-view.tsx
+++ b/apps/client/src/features/editor/components/excalidraw/excalidraw-view.tsx
@@ -0,0 +1,195 @@
+import { NodeViewProps, NodeViewWrapper } from '@tiptap/react';
+import {
+  ActionIcon,
+  Button,
+  Card,
+  Group,
+  Image,
+  Text,
+  useComputedColorScheme,
+} from '@mantine/core';
+import { useState } from 'react';
+import { Excalidraw, exportToSvg, loadFromBlob } from '@excalidraw/excalidraw';
+import { uploadFile } from '@/features/page/services/page-service.ts';
+import { svgStringToFile } from '@/lib';
+import { useDisclosure } from '@mantine/hooks';
+import { getFileUrl } from '@/lib/config.ts';
+import { ExcalidrawImperativeAPI } from '@excalidraw/excalidraw/types/types';
+import { IAttachment } from '@/lib/types';
+import ReactClearModal from 'react-clear-modal';
+import clsx from 'clsx';
+import { IconEdit } from '@tabler/icons-react';
+
+export default function ExcalidrawView(props: NodeViewProps) {
+  const { node, updateAttributes, editor, selected } = props;
+  const { src, title, width, attachmentId } = node.attrs;
+
+  const [excalidrawAPI, setExcalidrawAPI] =
+    useState<ExcalidrawImperativeAPI>(null);
+  const [excalidrawData, setExcalidrawData] = useState<any>(null);
+  const [opened, { open, close }] = useDisclosure(false);
+  const computedColorScheme = useComputedColorScheme();
+
+  const handleOpen = async () => {
+    if (!editor.isEditable) {
+      return;
+    }
+
+    try {
+      let data = null;
+      if (src) {
+        const url = getFileUrl(src);
+        const request = await fetch(url, { credentials: 'include' });
+
+        data = await loadFromBlob(await request.blob(), null, null);
+      }
+
+      setExcalidrawData(data);
+    } catch (err) {
+      console.error(err);
+    } finally {
+      open();
+    }
+  };
+
+  const handleSave = async () => {
+    if (!excalidrawAPI) {
+      return;
+    }
+
+    const svg = await exportToSvg({
+      elements: excalidrawAPI?.getSceneElements(),
+      appState: {
+        exportEmbedScene: true,
+        exportWithDarkMode: computedColorScheme == 'light' ? false : true,
+      },
+      files: excalidrawAPI?.getFiles(),
+    });
+
+    const serializer = new XMLSerializer();
+    let svgString = serializer.serializeToString(svg);
+
+    svgString = svgString.replace(/https:\/\/unpkg\.com\/@excalidraw\/excalidraw@undefined/g, 'https://unpkg.com/@excalidraw/excalidraw@latest');
+
+    const fileName = 'diagram.excalidraw.svg';
+    const excalidrawSvgFile = await svgStringToFile(svgString, fileName);
+
+    const pageId = editor.storage?.pageId;
+
+    let attachment: IAttachment = null;
+    if (attachmentId) {
+      attachment = await uploadFile(excalidrawSvgFile, pageId, attachmentId);
+    } else {
+      attachment = await uploadFile(excalidrawSvgFile, pageId);
+    }
+
+    updateAttributes({
+      src: `/files/${attachment.id}/${attachment.fileName}?t=${new Date(attachment.updatedAt).getTime()}`,
+      title: attachment.fileName,
+      size: attachment.fileSize,
+      attachmentId: attachment.id,
+    });
+
+    close();
+  };
+
+  return (
+    <NodeViewWrapper>
+      <ReactClearModal
+        style={{
+          backgroundColor: 'rgba(0, 0, 0, 0.5)',
+          padding: 0,
+          zIndex: 200,
+        }}
+        isOpen={opened}
+        onRequestClose={close}
+        disableCloseOnBgClick={true}
+        contentProps={{
+          style: {
+            padding: 0,
+            width: '90vw',
+          },
+        }}
+      >
+        <Group
+          justify="flex-end"
+          wrap="nowrap"
+          bg="var(--mantine-color-body)"
+          p="xs"
+        >
+          <Button onClick={handleSave} size={'compact-sm'}>
+            Save & Exit
+          </Button>
+          <Button onClick={close} color="red" size={'compact-sm'}>
+            Exit
+          </Button>
+        </Group>
+        <div style={{ height: '90vh' }}>
+          <Excalidraw
+            excalidrawAPI={(api) => setExcalidrawAPI(api)}
+            initialData={{
+              ...excalidrawData,
+              scrollToContent: true,
+            }}
+          />
+        </div>
+      </ReactClearModal>
+
+      {src ? (
+        <div style={{ position: 'relative' }}>
+          <Image
+            onClick={(e) => e.detail === 2 && handleOpen()}
+            radius="md"
+            fit="contain"
+            w={width}
+            src={getFileUrl(src)}
+            alt={title}
+            className={clsx(
+              selected ? 'ProseMirror-selectednode' : '',
+              'alignCenter'
+            )}
+          />
+
+          {selected && (
+            <ActionIcon
+              onClick={handleOpen}
+              variant="default"
+              color="gray"
+              mx="xs"
+              style={{
+                position: 'absolute',
+                top: 8,
+                right: 8,
+              }}
+            >
+              <IconEdit size={18} />
+            </ActionIcon>
+          )}
+        </div>
+      ) : (
+        <Card
+          radius="md"
+          onClick={(e) => e.detail === 2 && handleOpen()}
+          p="xs"
+          style={{
+            display: 'flex',
+            justifyContent: 'center',
+            alignItems: 'center',
+          }}
+          withBorder
+          className={clsx(selected ? 'ProseMirror-selectednode' : '')}
+        >
+          <div style={{ display: 'flex', alignItems: 'center' }}>
+            <ActionIcon variant="transparent" color="gray">
+              <IconEdit size={18} />
+            </ActionIcon>
+
+            <Text component="span" size="lg" c="dimmed">
+              Double-click to edit excalidraw diagram
+            </Text>
+          </div>
+        </Card>
+      )}
+    </NodeViewWrapper>
+  );
+}