bigbluebutton-Github/bigbluebutton-html5/imports/ui/components/whiteboard/component.jsx
2023-01-23 17:00:05 -03:00

878 lines
30 KiB
JavaScript

import * as React from "react";
import _ from "lodash";
import styled, { createGlobalStyle } from "styled-components";
import Cursors from "./cursors/container";
import { TldrawApp, Tldraw } from "@tldraw/tldraw";
import SlideCalcUtil, {HUNDRED_PERCENT} from '/imports/utils/slideCalcUtils';
import { Utils } from "@tldraw/core";
import Settings from '/imports/ui/services/settings';
import logger from '/imports/startup/client/logger';
function usePrevious(value) {
const ref = React.useRef();
React.useEffect(() => {
ref.current = value;
}, [value]);
return ref.current;
}
const findRemoved = (A, B) => {
return A.filter((a) => {
return !B.includes(a);
});
};
// map different localeCodes from bbb to tldraw
const mapLanguage = (language) => {
// bbb has xx-xx but in tldraw it's only xx
if (['es', 'fa', 'it', 'pl', 'sv', 'uk'].some((lang) => language.startsWith(lang))) {
return language.substring(0, 2);
}
// exceptions
switch (language) {
case 'nb-no':
return 'no';
case 'zh-cn':
return 'zh-ch';
default:
return language;
}
};
const SMALL_HEIGHT = 435;
const SMALLEST_HEIGHT = 363;
const SMALL_WIDTH = 800;
const SMALLEST_WIDTH = 645;
const TOOLBAR_SMALL = 28;
const TOOLBAR_LARGE = 38;
const TOOLBAR_OFFSET = 0;
const TldrawGlobalStyle = createGlobalStyle`
${({ hideContextMenu }) => hideContextMenu && `
#TD-ContextMenu {
display: none;
}
`}
#TD-PrimaryTools-Image {
display: none;
}
#slide-background-shape div {
pointer-events: none;
}
[aria-expanded*="false"][aria-controls*="radix-"] {
display: none;
}
${({ hasWBAccess, isPresenter, size }) => (hasWBAccess || isPresenter) && `
#TD-Tools-Dots {
height: ${size}px;
width: ${size}px;
}
#TD-Delete {
& button {
height: ${size}px;
width: ${size}px;
}
}
#TD-PrimaryTools button {
height: ${size}px;
width: ${size}px;
}
`}
`;
const EditableWBWrapper = styled.div`
&, & > :first-child {
cursor: inherit !important;
}
`;
export default function Whiteboard(props) {
const {
isPresenter,
isModerator,
removeShapes,
initDefaultPages,
persistShape,
notifyNotAllowedChange,
shapes,
assets,
currentUser,
curPres,
whiteboardId,
podId,
zoomSlide,
skipToSlide,
slidePosition,
curPageId,
presentationWidth,
presentationHeight,
isViewersCursorLocked,
zoomChanger,
isMultiUserActive,
isRTL,
fitToWidth,
zoomValue,
isPanning,
intl,
svgUri,
maxStickyNoteLength,
fontFamily,
} = props;
const { pages, pageStates } = initDefaultPages(curPres?.pages.length || 1);
const rDocument = React.useRef({
name: "test",
version: TldrawApp.version,
id: whiteboardId,
pages,
pageStates,
bindings: {},
assets: {},
});
const [tldrawAPI, setTLDrawAPI] = React.useState(null);
const [history, setHistory] = React.useState(null);
const [forcePanning, setForcePanning] = React.useState(false);
const [zoom, setZoom] = React.useState(HUNDRED_PERCENT);
const [isMounting, setIsMounting] = React.useState(true);
const prevShapes = usePrevious(shapes);
const prevSlidePosition = usePrevious(slidePosition);
const prevFitToWidth = usePrevious(fitToWidth);
const prevSvgUri = usePrevious(svgUri);
const language = mapLanguage(Settings?.application?.locale?.toLowerCase() || 'en');
const [currentTool, setCurrentTool] = React.useState(null);
const calculateZoom = (width, height) => {
let zoom = fitToWidth
? presentationWidth / width
: Math.min(
(presentationWidth) / width,
(presentationHeight) / height
);
return zoom;
}
const hasShapeAccess = (id) => {
const owner = shapes[id]?.userId;
const isBackgroundShape = id?.includes('slide-background');
const hasShapeAccess = !isBackgroundShape && ((owner && owner === currentUser?.userId) || !owner || isPresenter || isModerator);
return hasShapeAccess;
}
const isValidShapeType = (shape) => {
const invalidTypes = ['image', 'video'];
return !invalidTypes.includes(shape?.type);
}
const filterInvalidShapes = (shapes) => {
const keys = Object.keys(shapes);
const removedChildren = [];
keys.forEach((shape) => {
if (shapes[shape].parentId !== curPageId) {
if(!keys.includes(shapes[shape].parentId)) {
delete shapes[shape];
}
}else{
if (shapes[shape].type === "group") {
const groupChildren = shapes[shape].children;
groupChildren.forEach((child) => {
if (!keys.includes(child)) {
removedChildren.push(child);
}
});
shapes[shape].children = groupChildren.filter((child) => !removedChildren.includes(child));
if (shapes[shape].children.length < 2) {
delete shapes[shape];
}
}
}
});
return shapes;
}
const sendShapeChanges= (app, changedShapes, redo = false) => {
const invalidChange = Object.keys(changedShapes)
.find(id => !hasShapeAccess(id));
const invalidShapeType = Object.keys(changedShapes)
.find(id => !isValidShapeType(changedShapes[id]));
if (invalidChange || invalidShapeType) {
notifyNotAllowedChange(intl);
// undo last command without persisting to not generate the onUndo/onRedo callback
if (!redo) {
const command = app.stack[app.pointer];
app.pointer--;
return app.applyPatch(command.before, `undo`);
} else {
app.pointer++
const command = app.stack[app.pointer]
return app.applyPatch(command.after, 'redo');
}
};
let deletedShapes = [];
Object.entries(changedShapes)
.forEach(([id, shape]) => {
if (!shape) deletedShapes.push(id);
else {
//checks to find any bindings assosiated with the changed shapes.
//If any, they may need to be updated as well.
const pageBindings = app.page.bindings;
if (pageBindings) {
Object.entries(pageBindings).map(([k,b]) => {
if (b.toId.includes(id)) {
const boundShape = app.getShape(b.fromId);
if (shapes[b.fromId] && !_.isEqual(boundShape, shapes[b.fromId])) {
const shapeBounds = app.getShapeBounds(b.fromId);
boundShape.size = [shapeBounds.width, shapeBounds.height];
persistShape(boundShape, whiteboardId)
}
}
})
}
if (!shape.id) {
// check it already exists (otherwise we need the full shape)
if (!shapes[id]) {
shape = app.getShape(id);
}
shape.id = id;
}
const shapeBounds = app.getShapeBounds(id);
const size = [shapeBounds.width, shapeBounds.height];
if (!shapes[id] || (shapes[id] && !_.isEqual(shapes[id].size, size))) {
shape.size = size;
}
if (!shapes[id] || (shapes[id] && !shapes[id].userId)) shape.userId = currentUser?.userId;
persistShape(shape, whiteboardId);
}
});
//order the ids of shapes being deleted to prevent crash when removing a group shape before its children
const orderedDeletedShapes = [];
deletedShapes.forEach(eid => {
if (shapes[eid]?.type !== 'group') {
orderedDeletedShapes.unshift(eid);
} else {
orderedDeletedShapes.push(eid)
}
});
if (orderedDeletedShapes.length > 0) {
removeShapes(orderedDeletedShapes, whiteboardId);
}
}
React.useEffect(() => {
props.setTldrawIsMounting(true);
}, []);
const checkClientBounds = (e) => {
if (
e.clientX > document.documentElement.clientWidth ||
e.clientX < 0 ||
e.clientY > document.documentElement.clientHeight ||
e.clientY < 0
) {
if (tldrawAPI?.session) {
tldrawAPI?.completeSession?.();
}
}
};
const checkVisibility = () => {
if (document.visibilityState === 'hidden' && tldrawAPI?.session) {
tldrawAPI?.completeSession?.();
}
};
React.useEffect(() => {
document.addEventListener('mouseup', checkClientBounds);
document.addEventListener('visibilitychange', checkVisibility);
return () => {
document.removeEventListener('mouseup', checkClientBounds);
document.removeEventListener('visibilitychange', checkVisibility);
};
}, [tldrawAPI]);
const doc = React.useMemo(() => {
const currentDoc = rDocument.current;
let next = { ...currentDoc };
let changed = false;
if (next.pageStates[curPageId] && !_.isEqual(prevShapes, shapes)) {
const editingShape = tldrawAPI?.getShape(tldrawAPI?.getPageState()?.editingId);
if (editingShape) {
shapes[editingShape?.id] = editingShape;
}
// set shapes as locked for those who aren't allowed to edit it
Object.entries(shapes).forEach(([shapeId, shape]) => {
if (!shape.isLocked && !hasShapeAccess(shapeId)) {
shape.isLocked = true;
}
});
const removed = prevShapes && findRemoved(Object.keys(prevShapes),Object.keys((shapes)));
if (removed && removed.length > 0) {
const patchedShapes = Object.fromEntries(removed.map((id) => [id, undefined]));
try {
tldrawAPI?.patchState(
{
document: {
pageStates: {
[curPageId]: {
selectedIds: tldrawAPI?.selectedIds?.filter(id => !removed.includes(id)) || [],
},
},
pages: {
[curPageId]: {
shapes: patchedShapes,
},
},
},
},
);
} catch (error) {
logger.error({
logCode: 'whiteboard_shapes_remove_error',
extraInfo: { error },
}, 'Whiteboard catch error on removing shapes');
}
}
next.pages[curPageId].shapes = filterInvalidShapes(shapes);
changed = true;
}
if (curPageId && (!next.assets[`slide-background-asset-${curPageId}`]) || (svgUri && !_.isEqual(prevSvgUri, svgUri))) {
next.assets[`slide-background-asset-${curPageId}`] = assets[`slide-background-asset-${curPageId}`]
tldrawAPI?.patchState(
{
document: {
assets: assets
},
},
);
changed = true;
}
if (changed && tldrawAPI) {
// merge patch manually (this improves performance and reduce side effects on fast updates)
const patch = {
document: {
pages: {
[curPageId]: { shapes: filterInvalidShapes(shapes) }
},
},
};
const prevState = tldrawAPI._state;
const nextState = Utils.deepMerge(tldrawAPI._state, patch);
if(nextState.document.pages[curPageId].shapes) {
filterInvalidShapes(nextState.document.pages[curPageId].shapes);
}
const final = tldrawAPI.cleanup(nextState, prevState, patch, '');
tldrawAPI._state = final;
try {
tldrawAPI?.forceUpdate();
} catch (e) {
logger.error({
logCode: 'whiteboard_shapes_update_error',
extraInfo: { error },
}, 'Whiteboard catch error on updating shapes');
}
}
// move poll result text to bottom right
if (next.pages[curPageId] && slidePosition) {
const pollResults = Object.entries(next.pages[curPageId].shapes)
.filter(([id, shape]) => shape.name?.includes("poll-result"))
for (const [id, shape] of pollResults) {
if (_.isEqual(shape.point, [0, 0])) {
const shapeBounds = tldrawAPI?.getShapeBounds(id);
if (shapeBounds) {
shape.point = [
slidePosition.width - shapeBounds.width,
slidePosition.height - shapeBounds.height
]
shape.size = [shapeBounds.width, shapeBounds.height]
isPresenter && persistShape(shape, whiteboardId);
}
}
};
}
return currentDoc;
}, [shapes, tldrawAPI, curPageId, slidePosition]);
// when presentationSizes change, update tldraw camera
React.useEffect(() => {
if (curPageId && slidePosition && tldrawAPI && presentationWidth > 0 && presentationHeight > 0) {
if (prevFitToWidth !== null && fitToWidth !== prevFitToWidth) {
const zoom = calculateZoom(slidePosition.width, slidePosition.height)
tldrawAPI?.setCamera([0, 0], zoom);
const viewedRegionH = SlideCalcUtil.calcViewedRegionHeight(tldrawAPI?.viewport.width, slidePosition.height);
setZoom(HUNDRED_PERCENT);
zoomChanger(HUNDRED_PERCENT);
zoomSlide(parseInt(curPageId), podId, HUNDRED_PERCENT, viewedRegionH, 0, 0);
} else {
const currentAspectRatio = Math.round((presentationWidth / presentationHeight) * 100) / 100;
const previousAspectRatio = Math.round((slidePosition.viewBoxWidth / slidePosition.viewBoxHeight) * 100) / 100;
if (fitToWidth && currentAspectRatio !== previousAspectRatio) {
// wee need this to ensure tldraw updates the viewport size after re-mounting
setTimeout(() => {
const zoom = calculateZoom(slidePosition.viewBoxWidth, slidePosition.viewBoxHeight);
tldrawAPI.setCamera([slidePosition.x, slidePosition.y], zoom, 'zoomed');
}, 50);
} else {
const zoom = calculateZoom(slidePosition.viewBoxWidth, slidePosition.viewBoxHeight);
tldrawAPI?.setCamera([slidePosition.x, slidePosition.y], zoom);
}
}
}
}, [presentationWidth, presentationHeight, curPageId, document?.documentElement?.dir]);
React.useEffect(() => {
if (presentationWidth > 0 && presentationHeight > 0 && slidePosition) {
const cameraZoom = tldrawAPI?.getPageState()?.camera?.zoom;
const newzoom = calculateZoom(slidePosition.viewBoxWidth, slidePosition.viewBoxHeight);
if (cameraZoom && cameraZoom === 1) {
tldrawAPI?.setCamera([slidePosition.x, slidePosition.y], newzoom);
} else if (isMounting) {
setIsMounting(false);
props.setTldrawIsMounting(false);
const currentAspectRatio = Math.round((presentationWidth / presentationHeight) * 100) / 100;
const previousAspectRatio = Math.round((slidePosition.viewBoxWidth / slidePosition.viewBoxHeight) * 100) / 100;
// case where the presenter had fit-to-width enabled and he reloads the page
if (!fitToWidth && currentAspectRatio !== previousAspectRatio) {
// wee need this to ensure tldraw updates the viewport size after re-mounting
setTimeout(() => {
tldrawAPI?.setCamera([slidePosition.x, slidePosition.y], newzoom, 'zoomed');
}, 50);
} else {
tldrawAPI?.setCamera([slidePosition.x, slidePosition.y], newzoom);
}
}
}
}, [tldrawAPI?.getPageState()?.camera, presentationWidth, presentationHeight]);
// change tldraw page when presentation page changes
React.useEffect(() => {
if (tldrawAPI && curPageId && slidePosition) {
tldrawAPI.changePage(curPageId);
let zoom = prevSlidePosition
? calculateZoom(prevSlidePosition.viewBoxWidth, prevSlidePosition.viewBoxHeight)
: calculateZoom(slidePosition.viewBoxWidth, slidePosition.viewBoxHeight)
tldrawAPI?.setCamera([slidePosition.x, slidePosition.y], zoom, 'zoomed_previous_page');
}
}, [curPageId]);
// change tldraw camera when slidePosition changes
React.useEffect(() => {
if (tldrawAPI && !isPresenter && curPageId && slidePosition) {
const zoom = calculateZoom(slidePosition.viewBoxWidth, slidePosition.viewBoxHeight)
tldrawAPI?.setCamera([slidePosition.x, slidePosition.y], zoom, 'zoomed');
}
}, [curPageId, slidePosition]);
// update zoom according to toolbar
React.useEffect(() => {
if (tldrawAPI && isPresenter && curPageId && slidePosition && zoom !== zoomValue) {
const zoomFitSlide = calculateZoom(slidePosition.width, slidePosition.height);
const zoomCamera = (zoomFitSlide * zoomValue) / HUNDRED_PERCENT;
setTimeout(() => {
tldrawAPI?.zoomTo(zoomCamera);
}, 50);
}
}, [zoomValue]);
// update zoom when presenter changes if the aspectRatio has changed
React.useEffect(() => {
if (tldrawAPI && isPresenter && curPageId && slidePosition && !isMounting) {
const currentAspectRatio = Math.round((presentationWidth / presentationHeight) * 100) / 100;
const previousAspectRatio = Math.round((slidePosition.viewBoxWidth / slidePosition.viewBoxHeight) * 100) / 100;
if (previousAspectRatio !== currentAspectRatio) {
if (fitToWidth) {
const zoom = calculateZoom(slidePosition.width, slidePosition.height)
tldrawAPI?.setCamera([0, 0], zoom);
const viewedRegionH = SlideCalcUtil.calcViewedRegionHeight(tldrawAPI?.viewport.width, slidePosition.height);
zoomSlide(parseInt(curPageId), podId, HUNDRED_PERCENT, viewedRegionH, 0, 0);
setZoom(HUNDRED_PERCENT);
zoomChanger(HUNDRED_PERCENT);
} else if (!isMounting) {
let viewedRegionW = SlideCalcUtil.calcViewedRegionWidth(tldrawAPI?.viewport.height, slidePosition.width);
let viewedRegionH = SlideCalcUtil.calcViewedRegionHeight(tldrawAPI?.viewport.width, slidePosition.height);
const camera = tldrawAPI?.getPageState()?.camera;
const zoomFitSlide = calculateZoom(slidePosition.width, slidePosition.height);
if (!fitToWidth && camera.zoom === zoomFitSlide) {
viewedRegionW = HUNDRED_PERCENT;
viewedRegionH = HUNDRED_PERCENT;
}
zoomSlide(parseInt(curPageId), podId, viewedRegionW, viewedRegionH, camera.point[0], camera.point[1]);
const zoomToolbar = Math.round((HUNDRED_PERCENT * camera.zoom) / zoomFitSlide * 100) / 100;
if (zoom !== zoomToolbar) {
setZoom(zoomToolbar);
zoomChanger(zoomToolbar);
}
}
}
}
}, [isPresenter]);
const hasWBAccess = props?.hasMultiUserAccess(props.whiteboardId, props.currentUser.userId);
React.useEffect(() => {
if (hasWBAccess || isPresenter) {
if (((props.height < SMALLEST_HEIGHT) || (props.width < SMALLEST_WIDTH))) {
tldrawAPI?.setSetting('dockPosition', 'bottom');
} else {
tldrawAPI?.setSetting('dockPosition', isRTL ? 'left' : 'right');
}
}
}, [props.height, props.width]);
React.useEffect(() => {
if (tldrawAPI) {
tldrawAPI.isForcePanning = isPanning;
}
}, [isPanning]);
React.useEffect(() => {
tldrawAPI?.setSetting('language', language);
}, [language]);
// Reset zoom to default when current presentation changes.
React.useEffect(() => {
if (isPresenter && slidePosition && tldrawAPI) {
const zoom = calculateZoom(slidePosition.width, slidePosition.height);
tldrawAPI.zoomTo(zoom);
}
}, [curPres?.id]);
const onMount = (app) => {
const menu = document.getElementById("TD-Styles")?.parentElement;
if (menu) {
const MENU_OFFSET = `48px`;
menu.style.position = `relative`;
if (isRTL) {
menu.style.left = MENU_OFFSET;
} else {
menu.style.right = MENU_OFFSET;
}
[...menu.children]
.sort((a,b)=> a?.id>b?.id?-1:1)
.forEach(n=> menu.appendChild(n));
}
app.setSetting('language', language);
app?.setSetting('isDarkMode', false);
app?.patchState(
{
appState: {
currentStyle: {
textAlign: isRTL ? "end" : "start",
font: fontFamily,
},
},
}
);
setTLDrawAPI(app);
props.setTldrawAPI(app);
// disable for non presenter that doesn't have multi user access
if (!hasWBAccess && !isPresenter) {
app.onPan = () => {};
app.setSelectedIds = () => {};
app.setHoveredId = () => {};
}
if (curPageId) {
app.changePage(curPageId);
setIsMounting(true);
}
if (history) {
app.replaceHistory(history);
}
};
const onPatch = (e, t, reason) => {
// don't allow select others shapes for editing if don't have permission
if (reason && reason.includes("set_editing_id")) {
if (!hasShapeAccess(e.pageState.editingId)) {
e.pageState.editingId = null;
}
}
// don't allow hover others shapes for editing if don't have permission
if (reason && reason.includes("set_hovered_id")) {
if (!hasShapeAccess(e.pageState.hoveredId)) {
e.pageState.hoveredId = null;
}
}
// don't allow select others shapes if don't have permission
if (reason && reason.includes("selected")) {
const validIds = [];
e.pageState.selectedIds.forEach(id => hasShapeAccess(id) && validIds.push(id));
e.pageState.selectedIds = validIds;
e.patchState(
{
document: {
pageStates: {
[e.getPage()?.id]: {
selectedIds: validIds,
},
},
},
}
);
}
// don't allow selecting others shapes with ctrl (brush)
if (e?.session?.type === "brush" && e?.session?.status === "brushing") {
const validIds = [];
e.pageState.selectedIds.forEach(id => hasShapeAccess(id) && validIds.push(id));
e.pageState.selectedIds = validIds;
if (!validIds.find(id => id === e.pageState.hoveredId)) {
e.pageState.hoveredId = undefined;
}
}
if (reason && isPresenter && slidePosition && (reason.includes("zoomed") || reason.includes("panned"))) {
const camera = tldrawAPI.getPageState()?.camera;
// limit bounds
if (tldrawAPI?.viewport.maxX > slidePosition.width) {
camera.point[0] = camera.point[0] + (tldrawAPI?.viewport.maxX - slidePosition.width);
}
if (tldrawAPI?.viewport.maxY > slidePosition.height) {
camera.point[1] = camera.point[1] + (tldrawAPI?.viewport.maxY - slidePosition.height);
}
if (camera.point[0] > 0 || tldrawAPI?.viewport.minX < 0) {
camera.point[0] = 0;
}
if (camera.point[1] > 0 || tldrawAPI?.viewport.minY < 0) {
camera.point[1] = 0;
}
const zoomFitSlide = calculateZoom(slidePosition.width, slidePosition.height);
if (camera.zoom < zoomFitSlide) {
camera.zoom = zoomFitSlide;
}
tldrawAPI?.setCamera([camera.point[0], camera.point[1]], camera.zoom);
const zoomToolbar = Math.round((HUNDRED_PERCENT * camera.zoom) / zoomFitSlide * 100) / 100;
if (zoom !== zoomToolbar) {
setZoom(zoomToolbar);
isPresenter && zoomChanger(zoomToolbar);
}
let viewedRegionW = SlideCalcUtil.calcViewedRegionWidth(tldrawAPI?.viewport.height, slidePosition.width);
let viewedRegionH = SlideCalcUtil.calcViewedRegionHeight(tldrawAPI?.viewport.width, slidePosition.height);
if (!fitToWidth && camera.zoom === zoomFitSlide) {
viewedRegionW = HUNDRED_PERCENT;
viewedRegionH = HUNDRED_PERCENT;
}
zoomSlide(parseInt(curPageId), podId, viewedRegionW, viewedRegionH, camera.point[0], camera.point[1]);
}
//don't allow non-presenters to pan&zoom
if (slidePosition && reason && !isPresenter && (reason.includes("zoomed") || reason.includes("panned"))) {
const zoom = calculateZoom(slidePosition.viewBoxWidth, slidePosition.viewBoxHeight)
tldrawAPI?.setCamera([slidePosition.x, slidePosition.y], zoom);
}
// disable select for non presenter that doesn't have multi user access
if (!hasWBAccess && !isPresenter) {
if (e?.getPageState()?.brush || e?.selectedIds?.length !== 0) {
e.patchState(
{
document: {
pageStates: {
[e?.currentPageId]: {
selectedIds: [],
brush: null,
},
},
},
},
);
}
}
if (reason && reason === 'patched_shapes' && e?.session?.type === 'edit') {
const patchedShape = e?.getShape(e?.getPageState()?.editingId);
if (e?.session?.initialShape?.type === 'sticky' && patchedShape?.text?.length > maxStickyNoteLength) {
patchedShape.text = patchedShape.text.substring(0, maxStickyNoteLength);
}
if (e?.session?.initialShape?.type === 'text' && !shapes[patchedShape.id]) {
patchedShape.userId = currentUser?.userId;
persistShape(patchedShape, whiteboardId);
} else {
const diff = {
id: patchedShape.id,
point: patchedShape.point,
text: patchedShape.text,
};
persistShape(diff, whiteboardId);
}
}
if (reason && reason.includes('selected_tool')) {
const tool = reason.split(':')[1];
setCurrentTool(tool);
}
};
const onUndo = (app) => {
if (app.currentPageId !== curPageId) {
if (isPresenter) {
// change slide for others
skipToSlide(Number.parseInt(app.currentPageId), podId)
} else {
// ignore, stay on same page
app.changePage(curPageId);
}
return;
}
const lastCommand = app.stack[app.pointer+1];
const changedShapes = lastCommand?.before?.document?.pages[app.currentPageId]?.shapes;
if (changedShapes) {
sendShapeChanges(app, changedShapes, true);
}
};
const onRedo = (app) => {
if (app.currentPageId !== curPageId) {
if (isPresenter) {
// change slide for others
skipToSlide(Number.parseInt(app.currentPageId), podId)
} else {
// ignore, stay on same page
app.changePage(curPageId);
}
return;
}
const lastCommand = app.stack[app.pointer];
const changedShapes = lastCommand?.after?.document?.pages[app.currentPageId]?.shapes;
if (changedShapes) {
sendShapeChanges(app, changedShapes);
}
};
const onCommand = (app, command, reason) => {
setHistory(app.history);
const changedShapes = command.after?.document?.pages[app.currentPageId]?.shapes;
if (!isMounting && app.currentPageId !== curPageId) {
// can happen then the "move to page action" is called, or using undo after changing a page
const newWhiteboardId = curPres.pages.find(page => page.num === Number.parseInt(app.currentPageId)).id;
//remove from previous page and persist on new
changedShapes && removeShapes(Object.keys(changedShapes), whiteboardId);
changedShapes && Object.entries(changedShapes)
.forEach(([id, shape]) => {
const shapeBounds = app.getShapeBounds(id);
shape.size = [shapeBounds.width, shapeBounds.height];
persistShape(shape, newWhiteboardId);
});
if (isPresenter) {
// change slide for others
skipToSlide(Number.parseInt(app.currentPageId), podId)
} else {
// ignore, stay on same page
app.changePage(curPageId);
}
}
else if (changedShapes) {
sendShapeChanges(app, changedShapes);
}
};
const webcams = document.getElementById('cameraDock');
const dockPos = webcams?.getAttribute("data-position");
const editableWB = (
<EditableWBWrapper>
<Tldraw
key={`wb-${isRTL}-${dockPos}-${forcePanning}`}
document={doc}
// disable the ability to drag and drop files onto the whiteboard
// until we handle saving of assets in akka.
disableAssets={true}
// Disable automatic focus. Users were losing focus on shared notes
// and chat on presentation mount.
autofocus={false}
onMount={onMount}
showPages={false}
showZoom={false}
showUI={curPres ? (isPresenter || hasWBAccess) : true}
showMenu={curPres ? false : true}
showMultiplayerMenu={false}
readOnly={false}
onPatch={onPatch}
onUndo={onUndo}
onRedo={onRedo}
onCommand={onCommand}
/>
</EditableWBWrapper>
);
const readOnlyWB = (
<Tldraw
key={`wb-readOnly`}
document={doc}
onMount={onMount}
// disable the ability to drag and drop files onto the whiteboard
// until we handle saving of assets in akka.
disableAssets={true}
// Disable automatic focus. Users were losing focus on shared notes
// and chat on presentation mount.
autofocus={false}
showPages={false}
showZoom={false}
showUI={false}
showMenu={false}
showMultiplayerMenu={false}
readOnly={true}
onPatch={onPatch}
/>
);
const size = ((props.height < SMALL_HEIGHT) || (props.width < SMALL_WIDTH))
? TOOLBAR_SMALL : TOOLBAR_LARGE;
if (isPanning && tldrawAPI) {
tldrawAPI.isForcePanning = isPanning;
}
return (
<>
<Cursors
tldrawAPI={tldrawAPI}
currentUser={currentUser}
hasMultiUserAccess={props?.hasMultiUserAccess}
whiteboardId={whiteboardId}
isViewersCursorLocked={isViewersCursorLocked}
isMultiUserActive={isMultiUserActive}
isPanning={isPanning}
currentTool={currentTool}
>
{hasWBAccess || isPresenter ? editableWB : readOnlyWB}
<TldrawGlobalStyle
hasWBAccess={hasWBAccess}
isPresenter={isPresenter}
hideContextMenu={!hasWBAccess && !isPresenter}
size={size}
/>
</Cursors>
</>
);
}