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component.jsx
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import * as React from 'react';
import PropTypes from 'prop-types';
import { TldrawApp, Tldraw } from '@tldraw/tldraw';
import SlideCalcUtil, { HUNDRED_PERCENT, MAX_PERCENT } from '/imports/utils/slideCalcUtils';
// eslint-disable-next-line import/no-extraneous-dependencies
import { Utils } from '@tldraw/core';
import Cursors from './cursors/container';
import Settings from '/imports/ui/services/settings';
import logger from '/imports/startup/client/logger';
import KEY_CODES from '/imports/utils/keyCodes';
import {
presentationMenuHeight,
styleMenuOffset,
styleMenuOffsetSmall
} from '/imports/ui/stylesheets/styled-components/general';
import Styled from './styles';
import PanToolInjector from './pan-tool-injector/component';
import {
findRemoved, filterInvalidShapes, mapLanguage, sendShapeChanges, usePrevious,
} from './utils';
import { isEqual } from 'radash';
const SMALL_HEIGHT = 435;
const SMALLEST_DOCK_HEIGHT = 475;
const SMALL_WIDTH = 800;
const SMALLEST_DOCK_WIDTH = 710;
const TOOLBAR_SMALL = 28;
const TOOLBAR_LARGE = 32;
const MOUNTED_RESIZE_DELAY = 1500;
export default function Whiteboard(props) {
const {
isPresenter,
removeShapes,
initDefaultPages,
persistShape,
shapes,
assets,
currentUser,
curPres,
whiteboardId,
podId,
zoomSlide,
skipToSlide,
slidePosition,
curPageId,
presentationWidth,
presentationHeight,
isViewersCursorLocked,
zoomChanger,
isMultiUserActive,
isRTL,
fitToWidth,
zoomValue,
intl,
svgUri,
maxStickyNoteLength,
fontFamily,
hasShapeAccess,
presentationAreaHeight,
presentationAreaWidth,
maxNumberOfAnnotations,
notifyShapeNumberExceeded,
darkTheme,
isPanning: shortcutPanning,
setTldrawIsMounting,
width,
height,
hasMultiUserAccess,
tldrawAPI,
setTldrawAPI,
whiteboardToolbarAutoHide,
toggleToolsAnimations,
isIphone,
sidebarNavigationWidth,
animations,
isToolbarVisible,
isModerator,
fullscreenRef,
fullscreenElementId,
layoutContextDispatch,
} = 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 [history, setHistory] = React.useState(null);
const [zoom, setZoom] = React.useState(HUNDRED_PERCENT);
const [tldrawZoom, setTldrawZoom] = React.useState(1);
const zoomValueRef = React.useRef(zoomValue);
const [isMounting, setIsMounting] = React.useState(true);
const prevShapes = usePrevious(shapes);
const prevSlidePosition = usePrevious(slidePosition);
const prevFitToWidth = usePrevious(fitToWidth);
const prevSvgUri = usePrevious(svgUri);
const prevPageId = usePrevious(curPageId);
const language = mapLanguage(Settings?.application?.locale?.toLowerCase() || 'en');
const [currentTool, setCurrentTool] = React.useState(null);
const [currentStyle, setCurrentStyle] = React.useState({});
const [isMoving, setIsMoving] = React.useState(false);
const [isPanning, setIsPanning] = React.useState(shortcutPanning);
const [panSelected, setPanSelected] = React.useState(isPanning);
const isMountedRef = React.useRef(true);
const [isToolLocked, setIsToolLocked] = React.useState(tldrawAPI?.appState?.isToolLocked);
const [bgShape, setBgShape] = React.useState(null);
// eslint-disable-next-line arrow-body-style
React.useEffect(() => {
return () => {
isMountedRef.current = false;
};
}, []);
React.useEffect(() => {
zoomValueRef.current = zoomValue;
}, [zoomValue]);
const setSafeTLDrawAPI = (api) => {
if (isMountedRef.current) {
setTldrawAPI(api);
}
};
const toggleOffCheck = (evt) => {
const clickedElement = evt.target;
const panBtnClicked = clickedElement?.getAttribute('data-test') === 'panButton'
|| clickedElement?.parentElement?.getAttribute('data-test') === 'panButton';
setIsToolLocked(false);
const panButton = document.querySelector('[data-test="panButton"]');
if (panBtnClicked) {
const dataZoom = panButton.getAttribute('data-zoom');
if ((dataZoom <= HUNDRED_PERCENT && !fitToWidth)) {
return;
}
panButton.classList.add('select');
panButton.classList.remove('selectOverride');
} else {
setIsPanning(false);
setPanSelected(false);
panButton.classList.add('selectOverride');
panButton.classList.remove('select');
}
};
const setDockPosition = (setSetting) => {
if (hasWBAccess || isPresenter) {
if (((height < SMALLEST_DOCK_HEIGHT) || (width < SMALLEST_DOCK_WIDTH))) {
setSetting('dockPosition', 'bottom');
} else {
setSetting('dockPosition', isRTL ? 'left' : 'right');
}
}
}
React.useEffect(() => {
const toolbar = document.getElementById('TD-PrimaryTools');
const handleClick = (evt) => {
toggleOffCheck(evt);
};
const handleDBClick = (evt) => {
evt.preventDefault();
evt.stopPropagation();
setIsToolLocked(true);
tldrawAPI?.patchState(
{
appState: {
isToolLocked: true,
},
},
);
};
toolbar?.addEventListener('click', handleClick);
toolbar?.addEventListener('dblclick', handleDBClick);
return () => {
toolbar?.removeEventListener('click', handleClick);
toolbar?.removeEventListener('dblclick', handleDBClick);
};
}, [tldrawAPI, isToolLocked]);
React.useEffect(() => {
if (whiteboardToolbarAutoHide) {
toggleToolsAnimations('fade-in', 'fade-out', animations ? '3s' : '0s');
} else {
toggleToolsAnimations('fade-out', 'fade-in', animations ? '.3s' : '0s');
}
}, [whiteboardToolbarAutoHide]);
const calculateZoom = (localWidth, localHeight) => {
const calcedZoom = fitToWidth ? (presentationWidth / localWidth) : Math.min(
(presentationWidth) / localWidth,
(presentationHeight) / localHeight,
);
return (calcedZoom === 0 || calcedZoom === Infinity) ? HUNDRED_PERCENT : calcedZoom;
};
React.useEffect(() => {
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?.();
}
};
const handleWheelEvent = (event) => {
if ((zoomValueRef.current >= MAX_PERCENT && event.deltaY < 0)
|| (zoomValueRef.current <= HUNDRED_PERCENT && event.deltaY > 0))
{
event.stopPropagation();
event.preventDefault();
return window.dispatchEvent(new Event('resize'));
}
if (!event.ctrlKey) {
// Prevent the event from reaching the tldraw library
event.stopPropagation();
event.preventDefault();
const newEvent = new WheelEvent('wheel', {
deltaX: event.deltaX,
deltaY: event.deltaY,
deltaZ: event.deltaZ,
ctrlKey: true,
clientX: event.clientX,
clientY: event.clientY,
});
const canvas = document.getElementById('canvas');
if (canvas) {
canvas.dispatchEvent(newEvent);
}
}
}
React.useEffect(() => {
document.addEventListener('mouseup', checkClientBounds);
document.addEventListener('visibilitychange', checkVisibility);
return () => {
document.removeEventListener('mouseup', checkClientBounds);
document.removeEventListener('visibilitychange', checkVisibility);
const canvas = document.getElementById('canvas');
if (canvas) {
canvas.removeEventListener('wheel', handleWheelEvent);
}
};
}, [tldrawAPI]);
/* needed to prevent an issue with presentation images not loading correctly in Firefox
more info: https://github.com/bigbluebutton/bigbluebutton/issues/17969#issuecomment-1561758200 */
React.useEffect(() => {
if (bgShape && bgShape.parentElement && bgShape.parentElement.clientWidth > 0) {
bgShape.parentElement.style.width = `${bgShape.parentElement.clientWidth + .1}px`;
}
}, [bgShape]);
const doc = React.useMemo(() => {
const currentDoc = rDocument.current;
// update document if the number of pages has changed
if (currentDoc.id !== whiteboardId && currentDoc?.pages.length !== curPres?.pages.length) {
const currentPageShapes = currentDoc?.pages[curPageId]?.shapes;
currentDoc.id = whiteboardId;
currentDoc.pages = pages;
currentDoc.pages[curPageId].shapes = currentPageShapes;
currentDoc.pageStates = pageStates;
}
const next = { ...currentDoc };
let changed = false;
if (next.pageStates[curPageId] && !isEqual(prevShapes, shapes)) {
const editingShape = tldrawAPI?.getShape(tldrawAPI?.getPageState()?.editingId);
if (editingShape) {
shapes[editingShape?.id] = editingShape;
}
const removed = prevShapes && findRemoved(Object.keys(prevShapes), Object.keys((shapes)));
if (removed && removed.length > 0) {
const patchedShapes = Object.fromEntries(removed.map((id) => [id, undefined]));
try {
tldrawAPI?.patchState(
{
document: {
pageStates: {
[curPageId]: {
selectedIds:
tldrawAPI?.selectedIds?.filter((id) => !removed.includes(id)) || [],
},
},
pages: {
[curPageId]: {
shapes: patchedShapes,
},
},
},
},
);
} catch (error) {
logger.error({
logCode: 'whiteboard_shapes_remove_error',
extraInfo: { error },
}, 'Whiteboard catch error on removing shapes');
}
}
next.pages[curPageId].shapes = filterInvalidShapes(shapes, curPageId, tldrawAPI);
changed = true;
}
if (curPageId && (!next.assets[`slide-background-asset-${curPageId}`] || (svgUri && !isEqual(prevSvgUri, svgUri)))) {
next.assets[`slide-background-asset-${curPageId}`] = assets[`slide-background-asset-${curPageId}`];
tldrawAPI?.patchState(
{
document: {
assets,
},
},
);
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, curPageId, tldrawAPI) },
},
},
};
const prevState = tldrawAPI._state;
const nextState = Utils.deepMerge(tldrawAPI._state, patch);
if (nextState.document.pages[curPageId].shapes) {
filterInvalidShapes(nextState.document.pages[curPageId].shapes, curPageId, tldrawAPI);
}
const final = tldrawAPI.cleanup(nextState, prevState, patch, '');
tldrawAPI._state = final;
try {
tldrawAPI?.forceUpdate();
} catch (error) {
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(([, shape]) => shape.name?.includes('poll-result'));
pollResults.forEach(([id, shape]) => {
if (isEqual(shape.point, [0, 0])) {
try {
const shapeBounds = tldrawAPI?.getShapeBounds(id);
if (shapeBounds) {
const editedShape = shape;
editedShape.point = [
slidePosition.width - shapeBounds.width,
slidePosition.height - shapeBounds.height,
];
editedShape.size = [shapeBounds.width, shapeBounds.height];
if (isPresenter) persistShape(editedShape, whiteboardId, isModerator);
}
} catch (error) {
logger.error({
logCode: 'whiteboard_poll_results_error',
extraInfo: { error },
}, 'Whiteboard catch error on moving unpublished poll results');
}
}
});
}
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 newZoom = calculateZoom(slidePosition.width, slidePosition.height);
tldrawAPI?.setCamera([0, 0], newZoom);
const viewedRegionH = SlideCalcUtil.calcViewedRegionHeight(
tldrawAPI?.viewport.height, slidePosition.height,
);
setZoom(HUNDRED_PERCENT);
zoomChanger(HUNDRED_PERCENT);
zoomSlide(parseInt(curPageId, 10), 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) {
// we need this to ensure tldraw updates the viewport size after re-mounting
setTimeout(() => {
const newZoom = calculateZoom(slidePosition.viewBoxWidth, slidePosition.viewBoxHeight);
tldrawAPI.setCamera([slidePosition.x, slidePosition.y], newZoom, 'zoomed');
}, 50);
} else {
const newZoom = calculateZoom(slidePosition.viewBoxWidth, slidePosition.viewBoxHeight);
tldrawAPI?.setCamera([slidePosition.x, slidePosition.y], newZoom);
}
}
}
}, [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);
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]);
React.useEffect(() => {
if (isPresenter && slidePosition && tldrawAPI) {
const camera = tldrawAPI?.getPageState()?.camera;
const newZoom = calculateZoom(slidePosition?.viewBoxWidth, slidePosition?.viewBoxHeight);
tldrawAPI?.setCamera([camera?.point[0], camera?.point[1]], newZoom);
}
}, [slidePosition?.viewBoxWidth, slidePosition?.viewBoxHeight]);
// change tldraw camera when slidePosition changes
React.useEffect(() => {
if (tldrawAPI && !isPresenter && curPageId && slidePosition) {
const newZoom = calculateZoom(slidePosition.viewBoxWidth, slidePosition.viewBoxHeight);
tldrawAPI?.setCamera([slidePosition.x, slidePosition.y], newZoom, 'zoomed');
}
const camera = tldrawAPI?.getPageState()?.camera;
if (isPresenter && slidePosition && camera) {
const zoomFitSlide = calculateZoom(slidePosition.width, slidePosition.height);
const zoomCamera = (zoomFitSlide * zoomValue) / HUNDRED_PERCENT;
let zoomToolbar = Math.round(
((HUNDRED_PERCENT * camera.zoom) / zoomFitSlide) * 100,
) / 100;
if ((zoom !== zoomToolbar) && (curPageId && curPageId !== prevPageId)) {
setZoom(zoomToolbar);
zoomChanger(zoomToolbar);
}
}
}, [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 newZoom = calculateZoom(slidePosition.width, slidePosition.height);
tldrawAPI?.setCamera([0, 0], newZoom);
const viewedRegionH = SlideCalcUtil.calcViewedRegionHeight(
tldrawAPI?.viewport.height, slidePosition.height,
);
zoomSlide(parseInt(curPageId, 10), podId, HUNDRED_PERCENT, viewedRegionH, 0, 0);
setZoom(HUNDRED_PERCENT);
zoomChanger(HUNDRED_PERCENT);
} else if (!isMounting) {
let viewedRegionW = SlideCalcUtil.calcViewedRegionWidth(
tldrawAPI?.viewport.width, slidePosition.width,
);
let viewedRegionH = SlideCalcUtil.calcViewedRegionHeight(
tldrawAPI?.viewport.height, 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, 10),
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 = hasMultiUserAccess(whiteboardId, currentUser.userId);
React.useEffect(() => {
if (tldrawAPI) {
tldrawAPI.isForcePanning = isPanning;
}
}, [isPanning]);
React.useEffect(() => {
tldrawAPI && setDockPosition(tldrawAPI?.setSetting);
}, [height, width]);
React.useEffect(() => {
tldrawAPI?.setSetting('language', language);
}, [language]);
// Reset zoom to default when current presentation changes.
React.useEffect(() => {
if (isPresenter && slidePosition && tldrawAPI) {
tldrawAPI?.zoomTo(0);
setHistory(null);
tldrawAPI?.resetHistory();
}
}, [curPres?.id]);
React.useEffect(() => {
const currentZoom = tldrawAPI?.getPageState()?.camera?.zoom;
if (currentZoom !== tldrawZoom) {
setTldrawZoom(currentZoom);
}
setBgShape(null);
}, [presentationAreaHeight, presentationAreaWidth]);
const fullscreenToggleHandler = () => {
const {
isFullscreen,
fullscreenAction,
handleToggleFullScreen,
} = props;
handleToggleFullScreen(fullscreenRef);
const newElement = isFullscreen ? '' : fullscreenElementId;
layoutContextDispatch({
type: fullscreenAction,
value: {
element: newElement,
group: '',
},
});
};
const nextSlideHandler = (event) => {
const { nextSlide, numberOfSlides } = props;
if (event) event.currentTarget.blur();
nextSlide(+curPageId, numberOfSlides, podId);
};
const previousSlideHandler = (event) => {
const { previousSlide } = props;
if (event) event.currentTarget.blur();
previousSlide(+curPageId, podId);
};
const handleOnKeyDown = (event) => {
const { which, ctrlKey } = event;
switch (which) {
case KEY_CODES.ARROW_LEFT:
case KEY_CODES.PAGE_UP:
previousSlideHandler();
break;
case KEY_CODES.ARROW_RIGHT:
case KEY_CODES.PAGE_DOWN:
nextSlideHandler();
break;
case KEY_CODES.ENTER:
fullscreenToggleHandler();
break;
case KEY_CODES.A:
if (ctrlKey) {
event.preventDefault();
event.stopPropagation();
tldrawAPI?.selectAll();
}
break;
case KEY_CODES.ARROW_DOWN:
case KEY_CODES.ARROW_UP:
event.preventDefault();
event.stopPropagation();
break;
default:
}
};
const onMount = (app) => {
setDockPosition(app?.setSetting);
const menu = document.getElementById('TD-Styles')?.parentElement;
const canvas = document.getElementById('canvas');
if (canvas) {
canvas.addEventListener('wheel', handleWheelEvent, { capture: true });
}
if (menu) {
menu.style.position = 'relative';
menu.style.height = presentationMenuHeight;
menu.setAttribute('id', 'TD-Styles-Parent');
[...menu.children]
.sort((a, b) => (a?.id > b?.id ? -1 : 1))
.forEach((n) => menu.appendChild(n));
}
app.setSetting('language', language);
app?.setSetting('isDarkMode', false);
const textAlign = isRTL ? 'end' : 'start';
app?.patchState(
{
appState: {
currentStyle: {
textAlign: currentStyle?.textAlign || textAlign,
font: currentStyle?.font || fontFamily,
},
},
},
);
setSafeTLDrawAPI(app);
// disable for non presenter that doesn't have multi user access
if (!hasWBAccess && !isPresenter) {
const newApp = app;
newApp.onPan = () => { };
newApp.setSelectedIds = () => { };
newApp.setHoveredId = () => { };
}
if (history) {
app.replaceHistory(history);
}
if (curPageId) {
app.patchState(
{
appState: {
currentPageId: curPageId,
},
},
);
setIsMounting(true);
}
// needed to ensure the correct calculations for cursors on mount.
setTimeout(() => {
window.dispatchEvent(new Event('resize'));
}, MOUNTED_RESIZE_DELAY);
};
const onPatch = (e, t, reason) => {
if (!e?.pageState || !reason) return;
if (((isPanning || panSelected) && (reason === 'selected' || reason === 'set_hovered_id'))) {
e.patchState(
{
document: {
pageStates: {
[e.getPage()?.id]: {
selectedIds: [],
hoveredId: null,
},
},
},
},
);
return;
}
// 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;
}
}
// change cursor when moving shapes
if (e?.session?.type === 'translate' && e?.session?.status === 'translating') {
if (!isMoving) setIsMoving(true);
if (reason === 'set_status:idle') setIsMoving(false);
}
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] += (tldrawAPI?.viewport.maxX - slidePosition.width);
}
if (tldrawAPI?.viewport.maxY > slidePosition.height) {
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;
}
const zoomToolbar = Math.round(((HUNDRED_PERCENT * camera.zoom) / zoomFitSlide) * 100) / 100;
if (zoom !== zoomToolbar) {
setZoom(zoomToolbar);
if (isPresenter) zoomChanger(zoomToolbar);
}
let viewedRegionW = SlideCalcUtil.calcViewedRegionWidth(
tldrawAPI?.viewport.width, slidePosition.width,
);
let viewedRegionH = SlideCalcUtil.calcViewedRegionHeight(
tldrawAPI?.viewport.height, slidePosition.height,
);
if (!fitToWidth && camera.zoom === zoomFitSlide) {
viewedRegionW = HUNDRED_PERCENT;
viewedRegionH = HUNDRED_PERCENT;
camera.point = [0,0];
}
zoomSlide(
parseInt(curPageId, 10),
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 newZoom = calculateZoom(slidePosition.viewBoxWidth, slidePosition.viewBoxHeight);
tldrawAPI?.setCamera([slidePosition.x, slidePosition.y], newZoom);
}
// 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]) {
// check for maxShapes
const currentShapes = e?.document?.pages[e?.currentPageId]?.shapes;
const shapeNumberExceeded = Object.keys(currentShapes).length - 1 > maxNumberOfAnnotations;
if (shapeNumberExceeded) {
notifyShapeNumberExceeded(intl, maxNumberOfAnnotations);
e?.cancelSession?.();
} else {
patchedShape.userId = currentUser?.userId;
persistShape(patchedShape, whiteboardId, isModerator);
}
} else {
const diff = {
id: patchedShape.id,
point: patchedShape.point,
text: patchedShape.text,
};
persistShape(diff, whiteboardId, isModerator);
}
}
if (reason && reason.includes('selected_tool')) {
const tool = reason.split(':')[1];
setCurrentTool(tool);
setPanSelected(false);
setIsPanning(false);
}
if (reason && reason.includes('ui:toggled_is_loading')) {
e?.patchState(
{
appState: {
currentStyle,
},
},
);
}
e?.patchState(
{
appState: {
isToolLocked,
},
},
);
if ((panSelected || isPanning)) {
e.isForcePanning = isPanning;
}
};
const onUndo = (app) => {
if (app.currentPageId !== curPageId) {
if (isPresenter) {
// change slide for others
skipToSlide(Number.parseInt(app.currentPageId, 10), 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, shapes, prevShapes, hasShapeAccess,
whiteboardId, currentUser, intl, true,
);
}
};
const onRedo = (app) => {
if (app.currentPageId !== curPageId) {
if (isPresenter) {
// change slide for others
skipToSlide(Number.parseInt(app.currentPageId, 10), 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, shapes, prevShapes, hasShapeAccess, whiteboardId, currentUser, intl,
);
}
};
const onCommand = (app, command) => {
const isFirstCommand = command.id === "change_page" && command.before?.appState.currentPageId === "0";
if (!isFirstCommand){
setHistory(app.history);
}
if (whiteboardToolbarAutoHide && command && command.id === "change_page") {
toggleToolsAnimations('fade-in', 'fade-out', '0s');
}
if (command?.id?.includes('style')) {
setCurrentStyle({ ...currentStyle, ...command?.after?.appState?.currentStyle });
}
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 currentPage = curPres.pages.find(
(page) => page.num === Number.parseInt(app.currentPageId, 10),
);
if (!currentPage) return;
const newWhiteboardId = currentPage.id;
// remove from previous page and persist on new
if (changedShapes) {
removeShapes(Object.keys(changedShapes), whiteboardId);
Object.entries(changedShapes)
.forEach(([id, shape]) => {
const shapeBounds = app.getShapeBounds(id);
const editedShape = shape;
editedShape.size = [shapeBounds.width, shapeBounds.height];
persistShape(editedShape, newWhiteboardId, isModerator);
});
}
if (isPresenter) {
// change slide for others
skipToSlide(Number.parseInt(app.currentPageId, 10), podId);
} else {
// ignore, stay on same page
app.changePage(curPageId);
}
} else if (changedShapes) {
sendShapeChanges(
app, changedShapes, shapes, prevShapes, hasShapeAccess, whiteboardId, currentUser, intl,
);
}
};
const webcams = document.getElementById('cameraDock');
const dockPos = webcams?.getAttribute('data-position');
const backgroundShape = document.getElementById('slide-background-shape_image');