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expose resetHistory & factor out from updateScene (#2277)

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David Luzar 2020-10-25 15:48:16 +01:00 committed by GitHub
parent e916d7f6f6
commit 900e0f27ad
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1 changed files with 14 additions and 8 deletions
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22
src/components/App.tsx
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@ -272,6 +272,7 @@ export type ExcalidrawImperativeAPI =
| {
updateScene: InstanceType<typeof App>["updateScene"];
resetScene: InstanceType<typeof App>["resetScene"];
resetHistory: InstanceType<typeof App>["resetHistory"];
getSceneElementsIncludingDeleted: InstanceType<
typeof App
>["getSceneElementsIncludingDeleted"];
@ -311,6 +312,7 @@ class App extends React.Component<ExcalidrawProps, AppState> {
forwardedRef.current = {
updateScene: this.updateScene,
resetScene: this.resetScene,
resetHistory: this.resetHistory,
getSceneElementsIncludingDeleted: this.getSceneElementsIncludingDeleted,
};
}
@ -555,6 +557,10 @@ class App extends React.Component<ExcalidrawProps, AppState> {
}
};
private resetHistory = () => {
history.clear();
};
/** Completely resets scene & history.
* Do not use for clear scene user action. */
private resetScene = withBatchedUpdates(() => {
@ -564,7 +570,7 @@ class App extends React.Component<ExcalidrawProps, AppState> {
appearance: this.state.appearance,
username: this.state.username,
});
history.clear();
this.resetHistory();
});
private initializeScene = async () => {
@ -665,7 +671,7 @@ class App extends React.Component<ExcalidrawProps, AppState> {
),
};
}
history.clear();
this.resetHistory();
this.syncActionResult({
...scene,
commitToHistory: true,
@ -1314,6 +1320,12 @@ class App extends React.Component<ExcalidrawProps, AppState> {
this.updateScene({ elements: newElements });
// We haven't yet implemented multiplayer undo functionality, so we clear the undo stack
// when we receive any messages from another peer. This UX can be pretty rough -- if you
// undo, a user makes a change, and then try to redo, your element(s) will be lost. However,
// right now we think this is the right tradeoff.
this.resetHistory();
if (!this.portal.socketInitialized && !initFromSnapshot) {
this.initializeSocket();
}
@ -1340,12 +1352,6 @@ class App extends React.Component<ExcalidrawProps, AppState> {
}
this.scene.replaceAllElements(sceneData.elements);
// We haven't yet implemented multiplayer undo functionality, so we clear the undo stack
// when we receive any messages from another peer. This UX can be pretty rough -- if you
// undo, a user makes a change, and then try to redo, your element(s) will be lost. However,
// right now we think this is the right tradeoff.
history.clear();
},
);