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feat: add onChange, onPointerDown, onPointerUp api subs (#7154)

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David Luzar 2023-10-20 13:08:22 +02:00 • committed by GitHub
parent 9eb89f9960
commit e7cc2337ea
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4 changed files with 173 additions and 0 deletions
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45
src/components/App.tsx
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@ -374,6 +374,7 @@ import {
resetCursor,
setCursorForShape,
} from "../cursor";
import { Emitter } from "../emitter";
const AppContext = React.createContext<AppClassProperties>(null!);
const AppPropsContext = React.createContext<AppProps>(null!);
@ -505,6 +506,30 @@ class App extends React.Component<AppProps, AppState> {
laserPathManager: LaserPathManager = new LaserPathManager(this);
onChangeEmitter = new Emitter<
[
elements: readonly ExcalidrawElement[],
appState: AppState,
files: BinaryFiles,
]
>();
onPointerDownEmitter = new Emitter<
[
activeTool: AppState["activeTool"],
pointerDownState: PointerDownState,
event: React.PointerEvent<HTMLElement>,
]
>();
onPointerUpEmitter = new Emitter<
[
activeTool: AppState["activeTool"],
pointerDownState: PointerDownState,
event: PointerEvent,
]
>();
constructor(props: AppProps) {
super(props);
const defaultAppState = getDefaultAppState();
@ -568,6 +593,9 @@ class App extends React.Component<AppProps, AppState> {
resetCursor: this.resetCursor,
updateFrameRendering: this.updateFrameRendering,
toggleSidebar: this.toggleSidebar,
onChange: (cb) => this.onChangeEmitter.on(cb),
onPointerDown: (cb) => this.onPointerDownEmitter.on(cb),
onPointerUp: (cb) => this.onPointerUpEmitter.on(cb),
} as const;
if (typeof excalidrawRef === "function") {
excalidrawRef(api);
@ -1750,6 +1778,7 @@ class App extends React.Component<AppProps, AppState> {
this.scene.destroy();
this.library.destroy();
this.laserPathManager.destroy();
this.onChangeEmitter.destroy();
ShapeCache.destroy();
SnapCache.destroy();
clearTimeout(touchTimeout);
@ -2034,6 +2063,11 @@ class App extends React.Component<AppProps, AppState> {
this.state,
this.files,
);
this.onChangeEmitter.trigger(
this.scene.getElementsIncludingDeleted(),
this.state,
this.files,
);
}
}
@ -4699,6 +4733,11 @@ class App extends React.Component<AppProps, AppState> {
}
this.props?.onPointerDown?.(this.state.activeTool, pointerDownState);
this.onPointerDownEmitter.trigger(
this.state.activeTool,
pointerDownState,
event,
);
const onPointerMove =
this.onPointerMoveFromPointerDownHandler(pointerDownState);
@ -6551,6 +6590,12 @@ class App extends React.Component<AppProps, AppState> {
this.setState({ pendingImageElementId: null });
}
this.onPointerUpEmitter.trigger(
this.state.activeTool,
pointerDownState,
childEvent,
);
if (draggingElement?.type === "freedraw") {
const pointerCoords = viewportCoordsToSceneCoords(
childEvent,